Journal
Papers under Review
Upcoming
Conference Publications
Journal
Publications
Recent
Conference Publications

S. Karmakar and M. K. Varanasi, "The DiversityMultiplexing Tradeoff of the MIMO Z Interference Channel,"
IEEE Trans. Inform. Th., No. 6, Vol. 61, Jun. 2015, pp. 3427  3445.
C. S. Vaze and M. K. Varanasi, "The degrees of freedom of twounicast layered MIMO interference networks with feedback,"
IEEE Trans. Inform. Th., No. 6, Vol. 61, June 2015, 3316  3325.
K. Mohanty, C. S. Vaze and M. K. Varanasi, "The Degrees of Freedom Region for the MIMO Interference Channel with Hybrid CSIT,"
IEEE Trans. Wireless Commun., No. 4, Vol. 14, April 2015, pp. 1837  1848.
C. S. Vaze and M. K. Varanasi, "The Degrees of Freedom Region of the 2x2x2 MIMO Interference Network,"
IEEE Trans. Inform. Th, No. 12, Vol. 60, Dec. 2014, pp. 7751  7759.
C. S. Vaze and M. K. Varanasi, "Independent signaling achieves the capacity region of the Gaussian interference channel with common information to within one bit,"
IEEE Trans. Inform. Th, No. 10, Vol. 60, Oct. 2014, pp. 6070  6079.
S. Limburg, D. Grant and M. K. Varanasi "Higher genus universally decodable matrices (UDMG),"
Advances in Mathematics of Communications (an American Mathematical Society journal), Vol. 8, No. 3, 2014, pp. 257270.
C. S. Vaze and M. K. Varanasi, "The degrees of freedom of MIMO networks with fullduplex receiver cooperation but no CSIT,"
IEEE Trans. Inform. Th, No. 9, Vol. 60, Sept. 2014, pp. 5587  5596.
R. T. Krishnamachari, M. K. Varanasi and K. Mohanty, "MIMO systems with quantized covariance feedback,"
IEEE Trans. Signal Processing, Vol. 62, Issue 2, Jan. 2014, pp. 485495.
R. T. Krishnamachari and M. K. Varanasi, ``On the geometry and quantization of manifolds of positive semidefinite matrices,"
IEEE Trans. Signal Processing, Vol. 61, Issue 18, Sept. 2013, pp. 4587  4599.
R. T. Krishnamachari and M. K. Varanasi, ``Interference Alignment Under Limited Feedback for MIMO Interference Channels,"
IEEE Trans. Signal Processing, Vol. 61, No. 15, Aug. 2013, pp. 39083917.
H. P. Romero and M. K. Varanasi, ``Bounds on the Capacity Region for a Class of Interference Channels with Common Information,"
IEEE Trans. Inform. Th, No. 8, Vol. 59, Aug. 2013, pp. 48114818.
C. S. Vaze and M. K. Varanasi, ``The Degrees of Freedom Region of the MIMO Interference Channel with Shannon Feedback,"
IEEE Trans. Inform. Th, No. 8, Vol. 59, Aug. 2013, pp. 4798  4810.
S. Karmakar and M. K. Varanasi, ``The Capacity Region of the MIMO Interference Channel and its Reciprocity to Within a Constant Gap,"
IEEE Trans. Inform. Th, No. 8, Vol. 59, Aug. 2013, pp. 4781  4797.
S. Karmakar and M. K. Varanasi, ``The DiversityMultiplexingTradeoff of the MIMO HalfDuplex Relay Channel,"
IEEE Trans. Inform. Th, No. 12, Vol. 58, Dec. 2012, pp. 71687187.
S. Karmakar and M. K. Varanasi, ``The Generalized Degrees of Freedom Region of the MIMO Interference Channel,"
IEEE Trans. Inform. Th, No. 12, Vol. 58, Dec. 2012, pp. 71887203.
C. S. Vaze and M. K. Varanasi, ``A New OuterBound via Interference Localization and the Degrees of Freedom Regions of MIMO Interference Networks with no CSIT,"
IEEE Trans. Inform. Th, No. 11, Vol. 58, Nov. 2012, pp. 68536869.
C. S. Vaze and M. K. Varanasi, ``The Degrees of Freedom Regions of MIMO Broadcast, Interference, and Cognitive Radio Channels with No CSIT,"
IEEE Trans. Inform. Th, Vol. 58, No. 8, Aug. 2012, pp. 53545374.
C. S. Vaze and M. K. Varanasi, ``The Degrees of Freedom Region and Interference Alignment for the MIMO Interference Channel with Delayed CSIT,"
IEEE Trans. Inform. Th, Vol. 58, No. 7, Jul. 2012, pp. 43964417.
S. Karmakar and M. K. Varanasi, ``DiversityMultiplexing Tradeoff of the Dynamic DecodeandForward Protocol for the MIMO HalfDuplex Relay Channel,"
IEEE Trans. Inform. Th, Vol. 57 No. 10, Oct. 2011, pp. 65696590.
S. Karmakar and M. K. Varanasi, "The DiversityMultiplexingTradeoff of the MIMO HalfDuplex Relay Channel,"
in print, IEEE Trans. on Information Theory, Available:
http://arxiv.org/abs/1106.6323.
S. Karmakar and M. K. Varanasi, "The Generalized Degrees of Freedom Region
of the MIMO Interference Channel,"
in print, IEEE Trans. on Information Theory, Available:
http://arxiv.org/abs/1103.2560.
C. S. Vaze, M. K. Varanasi, "A New OuterBound via Interference Localization and the Degrees of Freedom Regions of MIMO Interference Networks with no CSIT,"
in print, IEEE Trans. on Information Theory, Available:
http://arxiv.org/abs/1105.6033.
C. S. Vaze and M. K. Varanasi, "The Degrees of Freedom Regions of MIMO
Broadcast, Interference, and Cognitive Radio Channels with No CSIT,"
IEEE Trans. Inform. Th., Vol. 58, No. 8, Aug. 2012, pp. 5354  5374. Available:
http://arxiv.org/abs/0909.5424.
C. S. Vaze and M. K. Varanasi, "The Degrees of Freedom Region and
Interference Alignment for the MIMO Interference Channel with Delayed CSIT,"
IEEE Trans. Inform. Th., Vol. 58, No. 7, Jul. 2012, pp: 4396  4417. Available:
http://arxiv.org/abs/1101.5809.
S. Karmakar and M. K. Varanasi, "DiversityMultiplexing Tradeoff of the
Dynamic DecodeandForward Protocol for the MIMO HalfDuplex Relay Channel,"
IEEE Trans. Inform. Th., Vol. 57, No. 10, Oct. 2011, pp. 6569  6590, Available:
http://arxiv.org/abs/1008.1455.
Y. Jiang, M. K. Varanasi and J. Li "Performance Analysis of ZF and MMSE
Equalizers for MIMO Systems: An InDepth Study of the High SNR Regime,"
IEEE Trans. Inform. Th., Vol. 57, No. 4, Apr. 2011, pp. 20082026.
N. Prasad and M. K. Varanasi, "High Performance Static and Dynamic
Cooperative Communication Protocols for the Half Duplex Fading Relay
Channel," IEEE Trans. Wireless Commun., Vol. 9, No. 1, Jan. 2010, pp.
328  337.
Y. Jiang and M. K. Varanasi, "The RFChain Limited MIMO System: Part I
Optimum DiversityMultiplexing Tradeoff," IEEE Trans. Wireless
Commun., Vol. 8, No. 10, Oct. 2009, pp.52385247.
S. Srinivasan and M. K. Varanasi, "Optimal constellations for the low SNR
noncoherent MIMO Rayleigh fading channel," IEEE Trans. Inform Th.,
Vol. 55, Feb. 2009, pp. 776796.
N. Prasad and M. K. Varanasi, "An optimization approach to decision
feedback detection under modulation constraints for MIMO Rayleigh fading
channels," IEEE Trans. Wireless Commun., Vol. 7, No. 9, Dec. 2008.
N. Prasad, M. K. Varanasi, L. Venturino and X. Wang, "An Analysis of the
MIMOSDMA Channel with SpaceTime Orthogonal and QuasiOrthogonal User
Transmissions and Efficient Successive Cancellation Decoders," IEEE
Trans. Inform Th., Vol. 54, No. 11, Dec. 2008, pp. 54275446.
N. Prasad, G. Yue, X. Wang and M. Varanasi, "Optimum Successive Group
Decoders for MIMO MultipleAccess Channels," IEEE Trans. Inform.
Th., Vol. 54, No. 10, Oct. 2008, pp. 4821  4846.
P. Dayal and M. K. Varanasi, "Distributed QAMBased SpaceTime Block Codes
for Efficient Cooperative MultipleAccess Communication," IEEE Trans.
Inform Th., Vol. 54, No. 9, Sept. 2008 pp. 43424354.
Y. Jiang and M. K. Varanasi, "Spatial multiplexing architectures with
jointly designed ratetailoring and ordered BLAST decoding Part II: A
practical method for rate and power allocation," IEEE Trans. Wireless
Commun., Vol. 7, No. 8, Aug. 2008 pp. 32623271.
Y. Jiang and M. K. Varanasi, "Spatial multiplexing architectures with
jointly designed ratetailoring and ordered BLAST decoding Part I:
Diversitymultiplexing tradeoff analysis," IEEE Trans. Wireless
Commun., Vol. 7, No. 8, Aug. 2008 pp. 3252  3261.
D. R. Grant and M. K. Varanasi, "The Equivalence of SpaceTime Codes and
Codes defined over Finite Fields and Galois Rings," Advances in
Mathematics of Communications (AMC) (an American Institute of Mathematical
Sciences (AIMS) Journal), Vol. 2, No. 2, May, 2008 pp. 131145.
N. Prasad and M. K. Varanasi, "Analysis and optimization of
diagonally layered lattice schemes for MIMO fading channels,''
IEEE Trans. Info. Theory, Vol. 54, No. 3, Mar. 2008, pp. 11621185.
D. R. Grant and M. K. Varanasi, "Duality theory for spacetime codes over
finite fields," Advances in Mathematics of Communications (AMC) (an
American Institute of Mathematical Sciences (AIMS) Journal), Vol. 2, No. 1,
Feb. 2008, pp. 3554.
N. Prasad and M. K. Varanasi, "Analysis and optimization of
diagonally layered lattice codes for MIMO Rayleigh fading channels,'' in
print, IEEE Trans. Info. Theory, Vol. 53, 2007.
S. G. Srinivasan and M. K. Varanasi, "Optimal spatial correlations for the
noncoherent MIMO Rayleigh fading channel'', IEEE Trans. Wireless Comm., Vol.
6, No. 10, Oct 2007.
D. Das and M. K. Varanasi, "Blind algorithms for joint optimization for
multiuser receivers and power control," IEEE Trans. Wireless Comm., Vol. 6, No. 8, Aug. 2007.
A. Kapur, M. K. Varanasi and C. T. Mullis, "Bandwidth Efficient Signal
Design for QoS Constrained CDMA Systems", IEEE Trans. Wireless Comm., Vol.
6, No. 8, Aug 2007.
S. G. Srinivasan and M. K. Varanasi, "Constellation Design for the Noncoherent
MIMO Rayleigh Fading Channel at General SNR'', IEEE Trans. Inform Th., Vol.
53, No. 4, April 2007 pp. 15721584.
N.
Prasad and
M. K. Varanasi, "Outage Theorems for
MIMO Block Fading Channels,'' revised Aug 2006, revised April
2006, (submitted May 2005), IEEE
Trans. Inform. Th., vol. 52, No. 12, Dec.
2006.
M.
K. Varanasi,
A. Kapur and C.T. Mullis, "On the
Limitation of Linear MMSE
Detection,''
IEEE
Trans. Inform. Th., vol. 52, No. 9, Sept. 2006.
M. K.
Varanasi and P. Dayal, "Unified
MultiAntenna Code Design for Fading
Channels with SpatioTemporal/Spectral Correlations,'' IEEE Trans Wireless Comm., Vol. 5,
No. 8, Aug. 2006.
P Dayal
and M. K. Varanasi "An algebraic family
of complex lattices for fading
channels with application to spacetime codes," IEEE Trans. Info. Theory, vol. 51,
No. 12, 41844202 Dec. 2005.
P.
Dayal and M. K. Varanasi "An optimal two
transmit antenna spacetime
code and its stacked extensions," IEEE
Trans. Info. Theory, vol. 51, No. 12, 43484355 Dec. 2005.
A.
Kapur, M. K. Varanasi and C.T. Mullis, "On the Limitation of Generalized
Welch Bound Equality Signals,'' IEEE
Trans. Info. Theory, vol. 51, No. 5, 22202224 Jun. 2005.
P. Dayal and
M. K. Varanasi, "Maximal
Diversity Algebraic SpaceTime Codes with Low PeaktoMean Power Ratio" , IEEE
Trans. Inform. Th., May. 2005.
T. Guess and
M. K. Varanasi, "An
InformationTheoretic Framework for Deriving Canonical
DecisionFeedback Receivers in
Gaussian Channels", IEEE Trans. Information Theory, Vol.
51, No. 1,
Jan. 2005.
D. Das and
M.K. Varanasi, "Optimum
Noncoherent Multiuser Decision Feedback Detection", IEEE
Trans. Inform.
Th., Vol. 50, No. 9, Sept. 2004.
P.
Dayal, M. Brehler and M.K. Varanasi, "Leveraging Coherent
SpaceTime Codes for
Noncoherent Communication via Training," IEEE Trans. Inform. Th.,
Vol.
50, No. 9, Sept. 2004.
F. Bandiera,
G. Ricci and M. K. Varanasi, "Blind Multiuser Detection Over Highly Dispersive CDMA
Channels," IEEE
Trans. Commun., Vol. 52, No. 8, August 2004.
N. Prasad
and M. K. Varanasi, "Analysis
of Decision Feedback Detection for MIMO RayleighFading Channels and
the Optimization of
Power and Rate Allocations" , IEEE Trans. Inform. Th.,
vol.
50, No. 6, June., 2004, pp. 10091025.
M. Brehler
and M. K. Varanasi, "Optimum
Multiuser Noncoherent DPSK Detection in Generalized Diversity Rayleigh
Fading Channels," IEEE Trans. Inform. Th., vol. 49.
No. 6,
Jun., 2003, pp 15651574.
A. Kapur and
M. K. Varanasi, "Multiuser
Detection for Overloaded CDMA Systems," IEEE Trans. Inform. Th.,
vol 49,
No. 7, Jul., 2003, pp 17281742.
T. Guess and
M. K. Varanasi, "A
Comparison of BandwidthEfficient Multiple Access to Other Signal
Designs for Correlated
Waveform MultipleAccess Communications," IEEE Trans. Inform.
Th., vol.
49, No. 6, Jun., 2003, pp 15581564.
M. Brehler
and M. K. Varanasi, " Optimum
Receivers and LowDimensional Spreaded Modulation for Multiuser
SpaceTime Communications,"
IEEE Trans. Inform. Th., vol. 49, No. 4, Apr., 2003,
pp 901918.
M. L. McCloud,
L. L. Scharf and M. K. Varanasi, " Beamforming, Diversity, and
Interference
Rejection for Multiuser Communication Over Fading Channels With a
Receive Antenna Array," IEEE Trans. Commun., vol. 51,
No.1, Jan., 2003,
pp. 116124.
A. Russ and
M. K. Varanasi "An Error
Probability Analysis of the Optimum Noncoherent Multiuser Detector for
Multipath and
MultiAntenna Diversity Communications over Rayleigh Fading Channels,"
IEEE
Trans. Com., vol. 50, No. 11, Nov., 2002, pp. 18281840.
M. K.
Varanasi and D. Das "Fast
Stochastic Power Control Algorithms for Nonlinear Multiuser Receivers,"
IEEE
Trans. Com., vol. 50, No. 11, Nov., 2002, pp. 18171827.
G. Ricci, M.
K. Varanasi and A. De Maio, "Blind
Multiuser Detection via Interference
Identification,"
IEEE Trans. Commun., vol. 50, No. 7, Jul., 2002, pp.
11721181.
M. L.
McCloud, M. Brehler, and M. K. Varanasi, "Signal Design and Convolutional Coding for
SpaceTime
Communication on the Rayleigh Fading Channel," IEEE Trans.
Inform. Th.,
48:5, pp. 11861194, May. 2002.
A. Kapur, M.
K. Varanasi and D. Das "Noncoherent
MMSE Multiuser Receivers and Their Blind Adaptive Implementations"
, IEEE
Trans. Commun., vol. 50, No. 3, Mar., 2002, pp. 503513.
D. Das and
M. K. Varanasi, "Blind
Adaptive Multiuser Detection for Cellular Systems Using Stochastic
Approximation With
Averaging,", IEEE Journal of Selected Areas in Commun., Vol. 20,
No. 2, Feb.
2002, pp. 310319.
M. L.
McCloud and M. K. Varanasi, "Modulation
and Coding for Noncoherent Communications" , Journ. VLSI
Signal Processing,
30, Jan., 2002, pp. 3554.
M. Brehler
and M. K. Varanasi, "Asymptotic
Error Probability Analysis of Quadratic Receivers in Rayleigh Fading
Channels with
Applications to a Unified Analysis of Coherent and Noncoherent
SpaceTime Receivers,", IEEE
Trans. Inform. Th., vol. 47, No. 6, Sept., 2001, pp. 23832399.
E. Fain and
M. K. Varanasi, "GroupMetric
Multiuser Decoding,", IEEE Trans. Commun., .vol. 49, No.
6, June, 2001,
pp. 10211032.
M. K.
Varanasi and T. Guess, "BandwidthEfficient
MultipleAccess (BEMA): A New Strategy Based on Signal Design for
Multiuser Receivers
Under QualityofService Constraints," IEEE Trans. Commun.,
vol. 49, No.
5, May, 2001, pp. 844854.
A. Russ and
M. K. Varanasi "Noncoherent
Multiuser Detection for Nonlinear Modulation Over the Rayleigh Fading
Channel," IEEE
Trans. Inform. Th., 47:1, Jan. 2001.
D. Das and
M. K. Varanasi, "Blind Adaptive
Noncoherent Multiuser Detection for Nonlinear Modulation," IEEE
Trans.
on Commun., 48:11, Nov. 2000.
T. Guess and
M. K. Varanasi, "Signal
Design for Bandwidth Efficient MultipleAccess Communications Based on
Eigenvalue
Optimization," IEEE Trans. Inform. Th., 46:6,
pp. 20452058,
Sept. 2000.
T. Guess and
M. K. Varanasi, "Error
Exponents for MaximumLikelihood and Successive Decoders for the
Gaussian CDMA Channel," IEEE Trans. Information Theory,
46:4,
Jul. 2000, pp 16831690.
E. A. Fain
and M. K. Varanasi, "Diversity
Order Gain for Narrowband Multiuser Communications with PreCombining
Group Detection," IEEE Trans. Commun., 48:4,
Apr. 2000, pp.
533536.
M. K.
Varanasi and D. Das, "Noncoherent
Decision Feedback Multiuser Detection for Nonlinear Modulation," IEEE
Trans.
on Commun., 48:2, Feb. 2000, pp. 259269.
M. K.
Varanasi, "A Systematic
Approach to the Design and Analysis of Optimum DPSK Receivers for
Generalized Diversity
Communications over Rayleigh Fading Channels," IEEE Trans. on
Commun., vol. 47,
No. 9, Sept. 1999, pp 13651375
M. K.
Varanasi, "Decision
Feedback
Multiuser Detection: A systematic Approach," IEEE Trans. on
Inform.
Theory., vol. 45, No. 1, Jan. 1999, pp. 219240.
M. K.
Varanasi and A. Russ, "Noncoherent
Decorrelative Detection for Nonorthogonal Multipulse Modulation Over
the Multiuser
Gaussian Channel," IEEE Trans. on Commun., vol. 46, No. 12,
Dec. 1998, pp.
16751684.
S. Vasudevan
and M. K. Varanasi, "Achieving
NearOptimum Asymptotic Efficiency and Fading Resistance over
TimeVarying Rayleigh Fading
CDMA Channels," IEEE Trans Commun., 44:9, (September 1996), pp.
11301143.
D. Parsavand
and M. K. Varanasi, "RMS Bandwidth Constrained Signature Waveforms
that Maximize the Total Capacity of PAMSynchronous CDMA Channels,"
IEEE Trans
Commun., COM44:1, (January 1996), pp. 6575.
M. K.
Varanasi, "Parallel Group
Detection for Synchronous CDMA Communication Over FrequencySelective
Rayleigh Fading
Channels," IEEE Trans Inform Th., 42:1, (January 1996).
M. K.
Varanasi, "Group Detection
for
Synchronous Gaussian CodeDivision MultipleAccess Channels," IEEE
Trans Inform
Th, 41:4 (July 1995), pp. 10831096.
S. Vasudevan
and M. K. Varanasi, "Optimum Diversity Combiner Based Multiuser
Detection for TimeDispersive Rician Fading CDMA Channels," the special
issue on Code
Division MultipleAccess Networks of the IEEE Journal of Selected Areas
in Commun.,
JSAC12:4, (May 1994), pp. 580592.
M. K.
Varanasi and S Vasudevan, "Multiuser Detectors for Synchronous CDMA
Communication over Nonselective Rician Fading Channels," IEEE Trans
Commun, COM42:2,
(February 1994), pp. 711722.
M. K.
Varanasi, "Noncoherent
Detection
in Asynchronous Multiuser Channels," IEEE Trans Inform Th 39:1
(January 1993),
pp. 157176.
M. K.
Varanasi and B. Aazhang, "Optimally
NearFar Resistant Multiuser Detection in Differentially Coherent
Synchronous Channels",
IEEE Trans Inform Th., 37:4 (July 1991), pp. 10061018.

Journal
Papers under Review
Upcoming
Conference Publications
Journal
Publications
Recent
Conference Publications

H. P. Romero and M. K. Varanasi, "Polymatroid structure in the multiple access channel with general message sets," IEEE Intnl. Symp. Inform. Th., Hongkong, China, Jun. 2015.
K. Mohanty and M. K. Varanasi, "The degrees of freedom of the 3user MIMO cyclic Zinterference channel with perfect and delayed CSIT," IEEE Intnl. Symp. Inform. Th., Hongkong, China, Jun. 2015.
Y. Wang and M. K. Varanasi, "Degrees of Freedom Region of the MIMO TwoTransmit, TwoReceive Network with General Message Sets," it IEEE Intnl. Symp. Inform. Th., Hongkong, China, Jun. 2015.
M. K. Varanasi (with C. S. Vaze), "Retrocooperative interference alignment and the DoF Region of the
(M;N)^3 interference network with limited Shannon feedback ," Proc. Information
Theory and ApplicationsWorkshop, UCSD, San Diego, CA (invited), Feb. 510, 2012.
M. K. Varanasi (with S. Karmakar), "The Generalized Multiplexing Gain Region of the Slow Fading MIMO Interference Channel and its Achievability with Limited Feedback," ISIT 2012, Boston, MA, Jul 2012.
C. S. Vaze and M. K. Varanasi, "The Degrees of Freedom of the 2×2×2
Interference Network with Delayed CSIT and with Limited Shannon Feedback," Proc. 49th Allerton Conf. Commun. Cntrl. Comput. Sept. 2011.
C. S. Vaze and M. K. Varanasi, "Can Feedback Increase the Degrees of
Freedom of a Wireless Network with Delayed CSIT?" Proc. 49th Allerton Conf. Commun. Cntrl. Comput. Sept. 2011.
S. Karmakar and M. K. Varanasi, "Capacity of the MIMO Interference Channel
to Within a Constant Gap," Proc. IEEE Intnl. Symp. Inform. Th.,
St. Petersberg, Russia, Aug. 2011.
C. S. Vaze and M. K. Varanasi, "The Capacity Region of the Symmetric
Gaussian Interference Channel with Common Information within a Constant
Gap," Proc. IEEE Intnl. Symp. Inform. Th., St. Petersberg,
Russia, Aug. 2011.
C. S. Vaze and M. K. Varanasi, "The Degrees of Freedom Region of the
TwoUser MIMO Broadcast Channel with Delayed CSI," Proc. IEEE
Intnl. Symp. Inform. Th., St. Petersberg, Russia, Aug. 2011.
C. S. Vaze and M. K. Varanasi, "On Completing the Degrees of Freedom
Characterization of MIMO Interference Networks with No CSIT," Proc. IEEE Intnl. Symp. Inform. Th., St. Petersberg, Russia, Aug. 2011.
R. T. Krishnamachari and M. K. Varanasi, "MIMO Performance under Covariance
Matrix Feedback," Proc. IEEE Intnl. Symp. Inform. Th., St.
Petersberg, Russia, Aug. 2011.
S. Karmakar and M. K. Varanasi, "The Generalized Degrees of Freedom of the
MIMO Interference Channel," Proc. IEEE Intnl. Symp. Inform. Th.,
St. Petersberg, Russia, Aug. 2011.
C. S. Vaze and M. K. Varanasi, "On the Degrees of Freedom Region of the
MIMO Interference Channel with Delayed CSI," Proc. IEEE Intnl.
Symp. Inform. Th., St. Petersberg, Russia, Aug. 2011.
C. S. Vaze, S. Karmakar and M. K. Varanasi, "On the Generalized Degrees of
Freedom Region of the MIMO Interference Channel with No CSIT,"
Proc. IEEE Intnl. Symp. Inform. Th., St. Petersberg, Russia, Aug. 2011.
R. T. Krishnamachari and M. K. Varanasi, "Interference Alignment Under
Limited Feedback for MIMO Interference Channels," IEEE ISIT, Austin, TX,
Jun. 2010, pp. 522  526.
R. T. Krishnamachari and M. K. Varanasi, "FiniteRate Feedback of Input
Covariance Matrices in MIMO Systems" IEEE ISIT, Austin, TX. Jun. 2010, pp.
2343  2347.
S. Karmakar and M. K. Varanasi, "Generalized Degrees of Freedom of the MIMO
2User Interference Channel with and without CSIT," IEEE ISIT, Austin, TX.
Jun. 2010.
S. Karmakar and M. K. Varanasi, "On the DiversityMultiplexing Tradeoff of
the MIMO Z Interference Channel," IEEE ISIT, Austin, TX, Jun. 2010.
S. Karmakar and M. K. Varanasi, "The DiversityMultiplexing Tradeoff of the
symmetric MIMO 2User Interference Channel," Proc. IEEE ISIT, Austin, TX,
Jun. 2010, pp. 2213  2217.
S. Karmakar and M. K. Varanasi, "The DiversityMultiplexingTradeoff of the
Symmetric MIMO HalfDuplex Relay Channel," IEEE ISIT, Austin, TX, Jun. 2010,
pp. 2178  2182.
C. S. Vaze and M. K. Varanasi, " The Degrees of Freedom Region of the MIMO
Cognitive Interference Channel with No CSIT," IEEE ISIT, Austin, TX, Jun.
2010, pp. 440444.
C. S. Vaze and M. K. Varanasi, " CSI feedback scaling rate vs multiplexing
gain tradeoff for DPCbased transmission in the Gaussian MIMO broadcast
channel," IEEE ISIT, Austin, TX, Jun. 2010, pp. 2353  2357.
M. Garg and M. K. Varanasi, "Diversitymultiplexingtradeoffoptimal 2user
scheduling in an Muser Gaussian multipleaccess channel," IEEE ISIT,
Austin, TX, Jun. 2010, pp. 2198  2202.
C. S. Vaze and M. K. Varanasi, " A largesystem analysis of the
imperfectCSIT Gaussian broadcast channel with a DPCbased transmission
strategy," 44th Annual Conference on Information Sciences and Systems
(CISS), 1719 March 2010, pg. 15.
S. Karmakar and M. K. Varanasi, " DiversityMultiplexingDelay Tradeoff of a
DDF Protocol on a HalfDuplex ARQ Relay Channel," Proc. Annual Asilomar
Conf. on Signals, Systems and Computers, Pacific Grove, CA, Oct. 2009.
S. Karmakar and M. K. Varanasi, " Optimal DMT of Dynamic DecodeandForward
Protocol on a HalfDuplex Relay Channel With Arbitrary Number of Antennas at
Each Node," Proc. Annual Asilomar Conf. on Signals, Systems and Computers,
Pacific Grove, CA, Oct. 2009.
C. S. Vaze and M. K. Varanasi, " Dirty Paper Coding for the MIMO Cognitive
Radio Channel with Imperfect CSIT," Proc. IEEE Intnl. Symp. Inform. Th.,
Seoul, S. Korea, June, 2009, pp. 25322536.
S. Karmakar and M. K. Varanasi, " Diversity multiplexing gain tradeoff of
the dynamic decode and forward protocol on a MIMO halfduplex relay
channel", Proc. IEEE Intnl. Symp. Inform. Th., Seoul, S. Korea, June, 2009,
pp 14431447.
R. T. Krishnamachari and M. K. Varanasi " DistortionRate Tradeoff of a
Source Uniformly Distributed over the Composite ${\cal P}_{\mathbb F}(N)$
and the Composite Stiefel Manifolds," Proc. IEEE Intnl. Symp. Inform. Th.,
Seoul, S. Korea, June, 2009, pp 522526.
C. S. Vaze and M. K. Varanasi, " On the achievable rate of the fading dirty
paper channel with imperfect CSIT," Proc. 43rd Annual Conf. Inform. Sc \&
Systems (CISS'09), Johns Hopkins Univ. Baltimore, MD, March 2009.
M. Garg and M. K. Varanasi, "On the diversitymultiplexing tradeoff of the
Gaussian MIMO broadcast channel," Proc. 43rd Annual Conf. Inform. Sc \&
Systems (CISS'09), Johns Hopkins Univ. Baltimore, MD, March 2009.
S. Karmakar and M. K. Varanasi, "On the rate versus MLdecoding complexity
tradeoff of square LDSTBCs with unitary weight matrices," Global
Telecommunications Conference, IEEE GLOBECOM '08, New Orleans, LA, NovDec.
2008.
R. T. Krishnamachari and M. K. Varanasi "DistortionRate Tradeoff of a
Source Uniformly Distributed over Positive SemiDefinite Matrices," Proc.
Annual Asilomar Conf. on Signals, Systems and Computers, Pacific Grove, CA,
Oct. 2008.
C. S. Vaze and M. K. Varanasi "Dirty Paper Coding for Fading Channels with
Partial Transmitter Side Information," Proc. Annual Asilomar Conf. on
Signals, Systems and Computers, Pacific Grove, CA, Oct. 2008.
R. T. Krishnamachari and M. K. Varanasi "Volume of Geodesic Balls in the
Complex Stiefel Manifold" Proc. 46th Annual Allerton Conf. on Commun.,
Control, and Comput., Allerton. IL, Sept. 2008.
M. Garg and M. K. Varanasi, "The parallel channel with ordered gains: a
high SNR analysis," Proc. IEEE Intnl. Symp. Inform. Th., Toronto, Canada,
Jul., 2008, pp. 2568  2572.
Y. Liu, M. K. Varanasi and H. Xinming, "Power Scheduling for MIMO Relay
Channels Employing Rateless Codes," Proc. IEEE International Conference on
Communications (ICC '08) May 1923, 2008 Pp. 4431  4435.
R. T. Krishnamachari and M. K. Varanasi "Volume of Small Balls in the Real
Stiefel Manifold," Proc. 42nd Annual Conf. Inform. Sc \& Systems (CISS'08),
Princeton Univ. Princeton, NJ, March 2008, pp. 402  406.
M. Garg and M. K. Varanasi, "The optimality of DBLASTZF with antenna
order feedback without or with antenna selection," Proc. 42nd Annual Conf.
Inform. Sc \& Systems (CISS'08), Princeton Univ. Princeton, NJ, March 2008,
pp. 1120  1124.
S. G. Srinivasan and M. K. Varanasi, "Optimal Noncoherent MIMOOFDM
Constellations at Low SNR" Annual Asilomar Conf. on Signals, Systems and
Computers, Nov 2007.
Y. Jiang and M. K. Varanasi, "Extended Uniform Channel Decomposition for
MIMO Communications with Intersymbol Interference" Proc. Annual Asilomar
Conf. on Signals, Systems and Computers, Nov 2007.
Y. Jiang and M. K. Varanasi, "Decision Feedback Based Transceiver
Optimization for MIMO InterSymbol Interference Channels" Proc. Annual
Asilomar Conf. on Signals, Systems and Computers, Nov 2007.
H. Venkatachari and M. K. Varanasi, "Maximizing mutual information in
general MIMO fading AWGN channels under a rank constraint," Proc. Annual
Asilomar Conf. on Signals, Systems and Computers, Nov 2007.
S. G. Srinivasan and M. K. Varanasi, "Mutual Information Optimal Constellations for the Low SNR Noncoherent MIMO Rayleigh Fading Channel'', Proc. IEEE Intnl Symp. Inform Th. (ISIT'07), Nice, France, June 2007.
Y. Jiang and M. K. Varanasi, "DiversityMultiplexing
Tradeoff of MIMO Systems with Antenna Selection," Proc. IEEE Intnl Symp.
Inform Th. (ISIT'07), Nice, France, June 2007.
Yi Jiang and Mahesh K. Varanasi, "The effect of ordered detection and
antenna selection on diversity gain of decision feedback detector," Proc.
IEEE Intnl Conf. Commun. Glasglow, Scotland, Jun. 2007.
Y. Jiang and M. K. Varanasi, "Precoder optimization for nonlinear MIMO transceiver for arbitrary cost function," Proc. Conf Inform. Sc \& Systems
(CISS'07), Johns Hopkins Univ, Baltimore, MD, Mar 2007.
Y. Liu, B. Xu and M. K. Varanasi, "On Discrete Memoryless Relay Channels with Designable Transmitter Side Information," Proc Conf. Inform. Sc.
Systems, Johns Hopkins Univ., Balitmore, MD, March 2007.
H. Venkatachari and M. K. Varanasi, "Optimum signature sequences that
maximize sum capacity in fading CDMA channels," Proc. Conf. Inform. Sc. &
Systems (CISS'07), Johns Hopkins Univ. Baltimore, MD, March 2007.
S.
G. Srinivasan and M. K. Varanasi "STORM
: Optimal Constellations for
the Low SNR Noncoherent MIMO Fading Channel" Proc. 44th Annual
Allerton
Conf. Communications, Control and Computing, Monticello, IL, Sept. 2006.
S. G.
Srinivasan and M. K. Varanasi, "Constellation
Design for the
Noncoherent MIMO Rayleigh Fading Channel at General SNR,'' Proc.
IEEE
Intnl Symp. Inform. Th., Seattle, WA. Jul. 2006.
N.
Prasad and M. K. Varanasi, "MIMO
Throughput in the High SNR Regime,''
Proc. IEEE Intnl Symp. Inform. Th., Seattle, WA. Jul. 2006.
D.
Grant and M. K. Varanasi, "Nonassociative division algebras and
spacetime code construction," Sequences and Codes, IRMACS, Simon
Fraser University, Vancouver, BC Canada, July, 2006 (Invited talk).
D.
Grant and M. K. Varanasi, "Number Theoretic Aspects of SpaceTime
Codes" American Mathematical Society (AMS) Meeting, San
Francisco, CA, July, 2006.
M. K.
Varanasi and N. Prasad, "HighPerformance Cooperative Communication
Protocols for the HalfDuplex Channel," IEEE Communication Theory
Workshop, Puerto Rico, May, 2006 (Invited talk).
Y.
Jiang and M. K. Varanasi, "A novel spatial multiplexing architecture
with finite rate feedback," Proc. 40th Annual Conf. Inform. Sciences
and Systems, Princeton Univ., Princeton, NJ Mar 2006.
P.
Vajapeyazula and M. K. Varanasi, "The
Simple Relay Channel: Optimum
Resource Allocation and Capacity", Annual Asilomar Conf. on
Signals, Systems and Computers, Nov 2005.
N.
Prasad, M. K. Varanasi, "Outage Theorems for MIMO Channels," Proc.
43rd Annual Allerton Conf. Communications, Control and
Computing, Monticello, IL, Oct 2005.
D.
Grant and M. K. Varanasi, "Duality theory for spacetime codes over
finite fields," Americal Mathematical Society Meeting, Lincoln,
Nebraska, Oct 2005 (Invited).
D.
Grant and M. K. Varanasi, "Weight enumerators and a McWilliamstype
identity for finite rank spacetime codes over finite fields,'' Proc.
Annual Allerton Conf Communication, Control and Computing, Monticello,
IL, Oct 2005.
S.
G. Srinivasan and M. K. Varanasi, "Code
Design for the Low SNR
Noncoherent MIMO Block Rayleigh Fading Channel,'' IEEE Intnl Symp.
Inform. Th., Adelaide, Australia, Page(s):2218  2222 Sept. 2005.
N.
Prasad and M. K. Varanasi, "MIMO Outage
Capacity in the High SNR
Regime,'' IEEE Intnl Symp. Inform. Th., Adelaide, Australia,
Page(s):656  660 Sept. 2005.
M. K.
Varanasi and N. Prasad, "MIMO Outage Capacity in the High SNR Regime,"
IEEE Communication Theory Workshop, Utah, Jun. 2005
(invited talk).
P.
Dayal and M. K. Varanasi, "Generalized
Multiuser QAM based Cooperation
Strategy and an Optimal TwoUser Scheme," 2005
International Conference on Wireless Networks, Communications and
Mobile Computing, Volume 2, 1316 Maui, Hawaii, June 2005
Page(s):1430  1435 (Invited).
S. G.
Srinivasan and M. K. Varanasi, "Constellation Design with Unequal Priors and New
Distance Criteria for the
Low SNR Noncoherent Rayleigh Fading Channel", Conf. on
Information Sciences
and Systems., The Johns Hopkins University, Baltimore, MD, Mar. 2005.
P.
Dayal and M. K. Varanasi, "Diversitymultiplexing
tradeoff for QAM based Multiuser Cooperation Strategies",
Conf. on
Information Sciences and Systems., The Johns Hopkins University,
Baltimore, MD, Mar. 2005.
N. Prasad
and M. K. Varanasi, "Bounds
on Error Probabilities for the Block Fading Channel", Proc.
Asilomar Conf. on
Signals, Systems and Computers, Monterey, CA, Nov. 2004
P. Dayal and
M. K. Varanasi, "Unified
MultiAntenna Code Design for Fading Channels with SpatioTemporal
Correlations",
Proc. Asilomar Conf. on Signals, Systems and Computers, Monterey, CA,
Nov. 2004
P. Dayal and
M. K. Varanasi, "Efficient
Multiuser Cooperation Strategies Using QAM SpaceTime Block Codes,"
Proc. IEEE
Inform. Th. Workshop, San Antonio, Texas, Oct. 2429, 2004.
N. Prasad
and M. K. Varanasi, "Outage
Capacities of SpaceTime Architectures," Proc. IEEE Inform. Th.
Workshop, San
Antonio, Texas, Oct. 2429, 2004.
F. Bandiera,
G. Ricci and M. K. Varanasi, "Blind Multiuser Detection for a Multi Satellite DS/CDMA
System",
Proc. of 5th IEEE Workshop on Signal Proc. Advances in Wireless
Communications, Lisbon,
Portugal, July 1114 2004.
P. Dayal,
S.G. Srinivasan, and M. K. Varanasi, "Diversity Order Analysis of Training Codes for MIMO
Block Fading Channels"
IEEE International Symposium on Information Theory (ISIT'2004),
Chicago, IL,
June 2004.
N. Prasad
and M. K. Varanasi, "Diversity
and Multiplexing Tradeoff Bounds for Cooperative Diversity Protocols,"
Proc. IEEE
Intl. Symposium on Inform. Theory, Chicago, IL, June. 2004
M.L. McCloud
and M. K. Varanasi, "Time
Limited and Bandwidth Constrained Signal Design for the Fast Fading
Noncoherent MIMO
Channel", Proc of the IEEE Intnl Comm. Conf, Paris, France, June
2004.
A. Kapur, M.
K. Varanasi and C.T. Mullis, "On the Limitation of Generalized
WelchBound Equality Signals", 38th Annual Conf. Inform. Sciences
and Systems,
Princeton University, March 2004.
N. Prasad
and M. K. Varanasi, "Outage
Analysis and Optimization of a Stacked Orthogonal SpaceTime
Architecture and NearOutage
Codes," Proc. Commun. Th. Symp., IEEE GLOBECOM, San Francisco, CA,
Dec. 2003.
P. Dayal and
M. K. Varanasi, "Algebraic
SpaceTime Codes with Full Diversity and Low PeakToMean Power Ratio",
Proc.
Commun. Th. Symp., IEEE GLOBECOM, San Francisco, CA, Dec. 2003.
P. Dayal and
M. K. Varanasi, "An
Optimal Two Transmit Antenna SpaceTime Code and its Stacked Extensions",
Proc.
Asilomar Conf. on Signals, Systems and Computers, Monterey, CA,
Nov. 2003
P.
Dayal and M. K. Varanasi, "A
Fast Generalized Sphere Decoder for Optimum Decoding of
Underdetermined MIMO systems",
41st Annual Allerton Conf. on Comm. Control, and Comput., Monticello,
IL, Oct., 2003.
N. Prasad
and M. K. Varanasi, "Outage
Analysis and Optimization for Multiaccess/VBLAST Architecture over
MIMO Rayleigh Fading
Channels", 41st Annual Allerton Conf. on Comm. Control, and
Comput., Monticello,
IL, Oct., 2003.
A. Kapur and
M. K. Varanasi, "On
Maximizing Symmetric Capacity via Signal Design in CDMA Systems,"Proc.
IEEE Intl.
Symposium on Inform. Theory, Yokohoma, Japan, Jul. 2003.
A. Kapur and
M. K. Varanasi, "Signal
Design for Bandwidth Efficient MultipleAccess under the
Asymptotic Effective Energy
Criterion," Proc. IEEE Intl. Conf. on Communications (ICC'03),
Anchorage, Alaska,
USA, May 2003.
A. Kapur and
M. K. Varanasi, "Improved
Signal Design for Bandwidth Efficient Multiple Access," Proc. IEEE
Inform. Th.
Workshop, Paris, France, Apr., 2003.
A. Kapur and
M. K. Varanasi, "On the
Limitation of Linear MMSE Detection and (Generalized) Welch Bound
Equality Signals,"37th
Annual Conf. Inform. Sciences and Systems, Johns Hopkins University,
March 2003.
M. Brehler
and M. K. Varanasi, "TrainingCodes
for the Noncoherent MultiAntenna BlockRayleighFading Channel,"
Proc of the
Conf. Inform. Sciences and Systems, Johns Hopkins University, March
2003.
N. Prasad
and M. K. Varanasi, "Optimizing
the Performance of DBLAST Lattice Codes for MIMO Fading Channels",
Proc. IEEE
Intl. Conf. Personal Wireless Communications (ICPWC'02), NewDelhi,
India, Dec. 2002.
P.
Dayal and M. K. Varanasi, "An
Improved Algebraic Family of Complex Lattices for Rayleigh Fading
Channels with
Application to Universal SpaceTime Codes", 40th Annual Allerton
Conf. on Comm.
Control, and Comput., Monticello, IL, Oct., 2002.
N. Prasad
and M. K. Varanasi, "DBLAST
Lattice Codes for MIMO Block Rayleigh Fading Channels", 40th Annual
Allerton
Conf. on Comm. Control, and Comput., Monticello, IL, Oct., 2002.
N. Prasad
and M. K. Varanasi, "Decision
Feedback Detection Using Modulation Constraints for MIMO Rayleigh
Fading Channels,"
Proc. IEEE Intl. Symposium on Inform. Theory, Lausanne, Switzerland,
Jul. 2002
M. Brehler
and M. K. Varanasi, "Spectrally
Efficient Multiuser SpaceTime Modulation," Proc. IEEE Intl.
Symposium on Inform.
Theory, Lausanne, Switzerland, Jul. 2002
N. Prasad
and M. K. Varanasi, "Optimum
Efficiently Decodable Layered SpaceTime Block Codes", Proc.
Asilomar Conf. on
Signals, Systems and Computers, Monterey, CA, Nov. 2001
N. Prasad
and M. K. Varanasi, "Analysis
of Decision Feedback Detection for MIMO Rayleigh Fading Channels and
Optimum Allocation.of
Transmitter Powers and QAM Constellations", 39th Annual Allerton
Conf. on Comm.
Control, and Comput., Monticello, IL, Oct., 2001.
A. Kapur and
M. K. Varanasi, "On
Multiuser Detection for LowRank CDMA Systems," 39th Annual
Allerton Conference
on Comm., Control and Comput., Monticello, IL, Oct. 2001.
M. Brehler
and M. K. Varanasi, "LowDimensional
Spreading Matrices for Multiuser SpaceTime Modulation," Proc. of
the IEEE
Inform. Th. Workshop, Cairns, Australia, Sept. 2001.
M. L.
McCloud, Artur Russ, Louis L Scharf, and M. K. Varanasi, "Noncoherent Multiuser
Detection with Antenna
Arrays Over Fading Channels", Proc of the Conf. Inform. Sciences
and Systems,
Johns Hopkins University, March 2001.
M. Brehler
and M. K. Varanasi, "Coherent
Multiuser SpaceTime Communications: Optimum Receiver and Signal Design,"
Proc of
the Conf. Inform. Sciences and Systems, Johns Hopkins University, March
2001.
M. Brehler
and M. K. Varanasi, "Noncoherent
Multiuser SpaceTime Communications: Optimum Receiver and Signal Design,"
Proc of
the Conf. Inform. Sciences and Systems, Johns Hopkins University, March
2001.
D. Das and
M. K. Varanasi, "Stochastic
Power Control with Averaging," Proc. IEEE Intl. Conf. Personal
Wireless
Communications (ICPWC'00), Hyderabad, India, Dec. 2000.
M. K.
Varanasi and A. Russ, "Optimum Noncoherent Multiuser Detection for
MultiAntenna Diversity Communications over Rayleigh Fading Channels,"
Proc. Asilomar
Conf. on Signals, Systems and Computers, Monterey, CA, Nov. 2000
(invited talk).
M. Brehler
and M. K. Varanasi, "Optimum
Noncoherent Multiuser Detection for DPSK Modulation in Generalized
Diversity Rayleigh
Fading Channels: An Asymptotic Minimum Error Probability Analysis,"
Proc. Commun.
Th. MiniConf., IEEE GLOBECOM, San Francisco, CA, Nov. 2000.
D. Das and
M. K. Varanasi, "Blind
Algorithms for Joint Optimization of Multiuser Receivers and Power
Control," 38th
Annual Allerton Conference on Comm., Control and Comput., Monticello,
IL, Oct. 2000
(invited).
T. Guess and
M. K. Varanasi, "A
Comparison of Signal Design Methods for
Correlated Waveform MultipleAccess Communications,"
38th Annual Allerton Conference on Comm., Control and Comput.,
Monticello, IL,
Oct. 2000.
M. L.
McCloud, M. Brehler, and M. K. Varanasi, "Signal Constellations for
Noncoherent SpaceTime Communications,"
38th Annual Allerton Conference on Comm., Control and Comput.,
Monticello, IL,
Oct. 2000 (invited).
D. Das and
M. K. Varanasi, "Blind
Adaptive Multiuser Detection with Averaging for Cellular Systems,"
IEEE
International Symposium on Information Theory (ISIT'2000), Sorrento,
Italy,
June 2000.
E. A. Fain
and M. K. Varanasi, "Minimum
Bandwidth Basis Functions for the FourthMoment Bandwidth Measure,"
IEEE
International Symposium on Information Theory (ISIT'2000), p. 416,
Sorrento, Italy,
June 2000.
T. Guess and
M. K. Varanasi, "A New
Succcessively Decodable Coding Technique for IntersymbolInterference
Channels,"
IEEE International Symposium on Information Theory (ISIT'2000),
p. 102, Sorrento,
Italy, June 2000.
M. K.
Varanasi and M. L. McCloud, "Complex
Spherical Modulation for Noncoherent Communications," IEEE
International
Symposium on Information Theory (ISIT'2000), p. 163, Sorrento, Italy,
June 2000.
M. K.
Varanasi, "Signal Design for Multiuser Communications," IEEE
Communication Theory Workshop, Destin, Florida, May 2000 (invited).
T. Guess and
M. K. Varanasi, "Deriving
Optimal Successive Decoders for the Asynchronous CDMA Channel Using
Information Theory",
34th Annual Conf. Inform. Sciences and Systems, Princeton University,
Princeton, NJ,
March 2000, pp. WP6.11WP6.16.
M. L.
McCloud and M. K. Varanasi, "Noncoherent
Zero Forcing Equalization for Multipulse Modulation", 34th Annual
Conf. Inform.
Sciences and Systems, Princeton University, Princeton, NJ,
March 2000, pp.
FP2.1FP2.6
A. Kapur, D.
Das and M. K. Varanasi, "Noncoherent
MMSE Multiuser Receivers for NonOrthogonal Multipulse
Modulation and Blind Adaptive Algorithms", 34th Annual Conf.
Inform. Sciences and
Systems, Princeton University, Princeton, NJ, March 2000,
pp. FP3.13FP3.18.
M. K.
Varanasi, "On Signal Design in Multiuser Communications," A OneDay
Symposium (Seventh in a Series), Interference Rejection and Signal
Separation in
Wireless Communications, New Jersey Institute of Technology,
March 14, 2000.
D. Das and
M. K. Varanasi, "Blind Adaptive
Noncoherent Multiuser Detection for Nonlinear Modulation," 37th
Annual Allerton
Conf. on Comm. Control, and Comput., Monticello, IL, Sept. 1999.
M. K.
Varanasi, "Nonlinear Multiuser Receivers with Distributed Power Control
in Cellular
Radio Networks," 37th Annual Allerton Conf. on Comm. Control, and
Comput.,
Monticello, IL, pp 820830, Sept. 1999 (invited).
T. Guess and
M. K. Varanasi, "Signal
Design for Bandwidth Efficient MultipleAccess (BEMA) Comunication
Based on Eigenvalue
Optimization" Proc Commun. Th. MiniConf, ICC, Vancouver, BC,
Canada, June 1999.
M. K.
Varanasi, "Stochastic Power Control for Nonlinear Multiuser Receivers
in
Cellular Radio Networks," IEEE Inform. Th. Workshop, Kruger Ntnl Park,
S. Africa,
June 1999 (invited paper).
G. Ricci and
M. K. Varanasi, "Blind Adaptive Multiuser Detection for the L out of
K CDMA Channel," IEEE VTC, Houston, TX, May 1999.
M. K.
Varanasi and T. Guess, "Bandwidth
Efficient MultipleAccess (BEMA): Signal Design with a Strict Bandwidth
Criterion Under
Quality of Service Constraints," Proc. International
Symposium on Signals,
Systems and Electronics (ISSSE '98), pp.146151, Pisa, Italy, Sep.
29Oct. 2, 1998
(invited).
A. Russ and
M. K. Varanasi, "Optimum Noncoherent Multiuser Detection for Nonlinear
Nonorthogonal Modulation Over the FrequencySelective Rayleigh Fading
Channel," IEEE
Intl. Conf. Universal Personal Communications, Florence, Italy, Oct
1998.
M. K.
Varanasi and Eric A. Fain, "Optimum
Signal Design and Power Control for Multiuser Wireless Communications
under
LocationInvariant Bandwidth Constraints," 36th Annual Allerton
Conf on
Communication, Control and Computing, Monticello, IL, Sept 1998
(invited).
T. Guess and
M. K. Varanasi, "An
Information Theoretic Derivation of the MMSE Decision Feedback Equalizer,"
36th
Annual Allerton Conf on Communication, Control and Computing,
Monticello, IL, Sept 1998.
M. K.
Varanasi, "Noncoherent Equalization for Multipulse Modulation," Proc.
IEEE Personal, Indoor and Mobile Communications Conf., Boston, MA,
Sept. 1998.
E. A. Fain
and M. K. Varanasi, "Error
Probability Bound for Reduced Complexity Multiuser Decoding using
Orthogonal
Decomposability," Proc. of IEEE International Symposium on
Information
Theory, p. 341, Aug. 1998.
T. Guess and
M. K. Varanasi, "Error
Exponents for the Gaussian MultipleAccess Channel" Proc. of
IEEE
International Symposium on Information Theory, p. 214, Aug. 1998.
M. K.
Varanasi and Deepak Das, "Noncoherent
Decision Feedback Multiuser Detection: Optimality, Performance
Bounds, and Rules for
Ordering Users," Proc. of IEEE International Symposium on
Information
Theory, p. 35, Aug. 1998.
M. K.
Varanasi and D. Das, "Noncoherent
Decision Feedback Multiuser Detection for Nonorthogonal Multipulse
Detection,"
Proc of the Conf. Inform. Sciences and Systems, Princeton University,
March 1998,
pp.230235.
M. K.
Varanasi and M. Brehler, "A
Systematic Approach to Noncoherent Detection for DPSK Modulation in
Multiuser Correlated
Diversity Rayleigh Fading Channels," Proc of the Conf. Inform.
Sciences and
Systems, Princeton University, March 1998, pp. 236241.
M. K.
Varanasi, "Equalization for
Multipulse Modulation," Proc. IEEE Intl Conf. Personal Wireless
Communications
(ICPWC'97), Mumbai (Bombay), India, December 1997.
M. K.
Varanasi and T. Guess, "Bandwidth
Efficient MultipleAccess Communications," Proc. IEEE Intl Conf.
Personal
Wireless Communications (ICPWC'97), Mumbai (Bombay), India, December
1997.
M. K.
Varanasi and T. Guess, "BandwidthEfficient
MultipleAccess via Signal Design for Decision Feedback Receivers:
Towards an Optimal
SpreadingCoding TradeOff," Proc. Commun. Th. MiniConf., IEEE
GLOBECOM, Phoenix, AZ, Nov. 1997.
E. Fain and
M. K. Varanasi, "Group
Metric Decoding for FrequencySelective Rayleigh Fading MultipleAccess
Channels,"
Proc. Commun. Th. MiniConf., IEEE GLOBECOM, pp. 205207, Phoenix, AZ,
Nov. 1997.
A. Russ and
M. K. Varanasi, "Noncoherent
Multiuser Detection for Nonlinear Modulation: An Asymptotic Analysis of
Minimum
Probability of Error for the Rayleigh Fading Channel," Proc.
Commun. Th.
MiniConf., IEEE GLOBECOM, pp. 195199, Phoenix, AZ, Nov. 1997.
M. K.
Varanasi and T. Guess, "Optimum
Decision Feedback Multiuser Equalization with Successive Decoding
Achieves the Total
Capacity of the Gaussian MultipleAccess Channel," Proc. Asilomar
Conf. on
Signals, Systems and Computers, pp. 14051409, Monterey, CA, Nov. 1997
(invited).
A. Russ and
M. K. Varanasi, "Minimum
Error Probability and Suboptimum Noncoherent Multiuser Detection for
Nonlinear
Nonorthogonal Synchronous Signaling over a Rayleigh Fading Channel,"
Proc. 1997
IEEE, Personal, Indoor, Mobile Radio Communications Conf., pp. 5862,
Helsinki, Finland,
September 1997.
M. K.
Varanasi, "Asymptotically
Optimum
Multiuser Decision Feedback Detection," Proc. 1997 Intl Symp.
Inform. Th, pp.
275, Ulm, Germany, JuneJuly 1997.
M. K.
Varanasi and T. Guess, "Achieving
Vertices of the Capacity Region of the Gaussian CorrelatedWaveform
MultipleAccess
Channel with Decision Feedback Receivers," Proc. 1997 Intl Symp.
Inform. Th, pp.
270, Ulm, Germany, JuneJuly 1997.
M. K.
Varanasi and A. Russ, "Noncoherent
Decorrelative Multiuser Detection for Nonlinear Nonorthogonal Modulation,"
Proc
of the 1997 IEEE Intl Conf Communications, Montreal, Quebec, Canada,
June 1997.
M. K.
Varanasi, "Optimizing
Symmetric
Energy and Permuting Users for Decision Feedback Multiuser detection to
UserWise
Outperform Linear Multiuser Detection," Proc of the Conf. Inform.
Sciences and
Systems, pp. 492497, Johns Hopkins University, March 1997.
M. K.
Varanasi, "A Systematic
Approach
to Noncoherent Detection of DPSK Modulation in SingleUser Correlated
Diversity Rayleigh
Fading Channels with Applications to PostCombining Decorrelative
Multiuser Detection,"
Proc of the 1997 Conf. Inform. Sciences and Systems, pp. 480485, Johns
Hopkins
University, March 1997.
T. Guess and
M. K. Varanasi, "Multiuser
DecisionFeedback Receivers for the General Gaussian MultipleAccess
Channel,"
Proc. of the Annual Allerton Conf. on Communication, Control, and
Computing, October,
1996.
M. K.
Varanasi, "Noncoherent Multiuser Detection," a tutorial, 1996 IEEE
Communication Theory Workshop, Destin, Florida, April 1996 (invited).
T. Guess and
M. K. Varanasi, "Onion
Peeling for CDMASymmetric Rate Under RMS Bandwidth Constraints,"
Proc. of the
1996 Conf. on Information Sciences and Systems, pp. 584589, Princeton
University,
Princeton, NJ (March 1996).
M. K.
Varanasi, "Power Control for Multiuser Detection," 1996 Conf. on
Information Sciences and Systems, Princeton University, Princeton, NJ,
pp. 866873, (March
1996).
M. K.
Varanasi, "Multiuser Detection in FrequencySelective Rayleigh Fading
Channels: A Unified Approach to Design and Succinct Eigenbounds on
Performance: Part
I," Proc. of the Annual Allerton Conf on Communication, Control, and
Computing, pp.
1120, Oct 24, 1995 (Invited).
M. K.
Varanasi, "Multiuser Detection in FrequencySelective Rayleigh Fading
Channels: A Unified Approach to Design and Succinct Eigenbounds on
Performance: Part
II," Proc. of the Annual Allerton Conf on Communication, Control, and
Computing,
pp.10531062, Oct 24, 1995 (Invited).
M. K.
Varanasi, "Delayed Decision Feedback Equalization," Proc. IEEE Int Symp
on Information Theory, Whistler, B.C. Canada, September 1995.
M. K.
Varanasi, "Successive Cancellation in Fading Multipath CDMA Channels,"
Proc. IEEE Int Symp on Information Theory, Whistler, B.C. Canada,
September 1995.
M. K.
Varanasi, "Group Sequence Detection: Bridging the Yawning Gap Between
Linear
and Optimum Multiuser Detection," Proc. Inform. Th. Workshop on
Information Theory,
MultipleAccess, and Queueing April 1995 (Invited).
