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Mobile Communications and Networking Research

NEC Labatories America, Inc., Princeton


PUBLICATIONS



2010

Y. Xin (NEC Laboratories America), L. Lai (Princeton University), "Fast Wideband Spectrum Scanning for Multi-Channel Cognitive Radio Systems", CISS 2010,

Z. Wang (Wipro Techno Centre Singapore), Y. Xin (NEC Laboratories America), G. Mathew (LSI Corporation), X. Wang (NEC Laboratories America, Columbia University), "A Low-Complexity and Efficient Channel Estimator for Multiband OFDM-UWB Systems", IEEE Transactions on Vehicular Technology, (3): 1355-1366, 2010

Z. Wang (Wipro Techno Centre Singapore), Y. Xin (NEC Laboratories America), G. Mathew (LSI Corporation), X. Wang (NEC Laboratories America, Columbia University), "Efficient Phase Error Suppression for Multiband OFDM-Based UWB Systems", IEEE Transactions on Vehicular Technology, (2): 766-778, 2010

G. Yue (NEC Laboratories America), X. Wang (NEC Laboratories America), "An Implementation-Friendly Binary LDPC Decoding Algorithm", IEEE Transactions on Communications, 58(1): 95-100, 2010

N. Prasad (NEC Laboratories America), M. K. Varanasi (University of Colorado), "High Performance Static and Dynamic Cooperative Communication Protocols for the Half Duplex Fading Relay Channel", IEEE Transactions on Signal Processing, 9(1):328-337, 2010

A. Tajer (Columbia University), N. Prasad (NEC Laboratories America), X. Wang (Columbia University), "Beamforming and Rate Allocation in MISO Cognitive Radio Networks", IEEE Transactions on Signal Processing, 58(1):362-377, 2010


2009

G. Yue (NEC Laboratories America), L. Zhang (University of California), X. Wang (Columbia University), "A Multilayer Space-Time-Frequency Coding Scheme for MIMO-OFDM", IEEE Transactions on Wireless Communications, 8(12):6104-6114, 2009

N. Prasad (NEC Laboratories America), X. Wang (Columbia University), "Outage Minimization and Rate Allocation for the Multiuser Gaussian Interference Channels With Successive Group Decoding", IEEE Transactions on Information Theory, 55 (12):5540-5557, 2009

G. Yue (NEC Laboratories America), X. Wang (Columbia University), "Anti-Jamming Coding Techniques with Application to Cognitive Radio", IEEE Transactions on Wireless Communications, 8(12):5996-6007, 2009

G. Yue (NEC Laboratories America), L. Zhang (University of California), X. Wang (Columbia University), "Multilayer Space-Time-Frequency Coding for MIMO-OFDM", IEEE Globecom 2009, 978-1-4244-4148-8, 2009

N. Prasad (NEC Laboratories America), M. Jiang (NEC Laboratories America), X. Wang (Columbia University), "Efficient Soft-Output Demodulators for the Golden Code", IEEE Globecom 2009, 978-1-4244-4148-8, 2009

Y. Xin (NEC Laboratories America), Honghai Zhang (NEC Laboratories America), S. Rangarajan (NEC Laboratories America), "SSCT: A Simple Sequential Spectrum Sensing Scheme for Cognitive Radio", IEEE Globecom 2009, 978-1-4244-4148-8, 2009

Y.J. Choi (NEC Laboratories America, Ajou University), N. Prasad (NEC Laboratories America), S. Rangarajan (NEC Laboratories America), "Network-Assisted Radio Resource Management for Cell-Edge Performance Enhancement", ICST QShine 2009, pp. 334-350, 2009

S. Lakshmanan (Georgia Institute of Technology), K. Sundaresan (NEC Laboratories America), S. Rangarajan (NEC Laboratories America), R. Sivakumar (Georgia Institute of Technology) "Practical Beamforming based on RSSI Measurements using off-the-shelf Wireless Clients", Internet Measurement Conference (IMC2009), pp. 410-416, 2009

K. Yang (Columbia University), N. Prasad (NEC Laboratories America), X. Wang (Columbia University), "An Auction Approach to Resource Allocation in Uplink OFDMA Systems", IEEE Transactions on Signal Processing, 57(11):4482-4496, 2009

K. Yang (Columbia University), N. Prasad (NEC Laboratories America), X. Wang (Columbia University), "A Message-passing Approach to Distributed Resource Allocation in Uplink DFT-Spread-OFDMA Systems", Asilomar 2009

M.A. Khojastepour (NEC Laboratories America), X. Wang (NEC Laboratories America, Columbia University), M. Madihian (NEC Laboratories America), "Design of Multiuser Downlink Linear MIMO Precoding Systems with Quantized Feedback", IEEE Transactions on Vehicular Technology, 58(9):4828-4836, 2009

P. Li (NEC Laboratories America, University of Science and Technology of China), Honghai Zhang (NEC Laboratories America), B. Zhao (University of Science and Technology of China), S. Rangarajan (NEC Laboratories America), "Scalable Video Multicast in Multi-Carrier Wireless Data Systems", ICNP 2009, pp. 141-150, 2009

G. Yue (NEC Laboratories America), X. Wang (NEC Laboratories America, Columbia University), "Efficient ARQ protocols with anti-jamming coding for cognitive radios", Wireless Communications and Mobile Computing, 9:1472-1486, 2009

M.A. Khojastepour (NEC Laboratories America), A. Keshavarz-Haddad (Shiraz University), "On Capacity of Deterministic Relay Networks under Node Half-Duplexity Constraint", 47th Allerton Conference on Communication Control and Computing, 2009

M.A. Khojastepour (NEC Laboratories America), A. Keshavarz-Haddad (Shiraz University), "Rotational Coding Achieves Multicast Capacity of Deterministic Wireless Networks", 47th Allerton Conference on Communication Control and Computing, 2009

K. Sundaresan (NEC Laboratories America), K. Ramachandran (NEC Laboratories America), S. Rangarajan (NEC Laboratories America), "Optimal Beam Scheduling for Multicasting in Wireless Networks", MobiCom, pp. 205-216, 2009

L. Venturino (NEC Laboratories America), N. Prasad (NEC Laboratories America), X. Wang, (NEC Laboratories America, Columbia University), "Coordinated Scheduling and Power Allocation in Downlink Multicell OFDMA Networks",IEEE Transactions on Vehicular Technology, 58(6):2835-2844,2009

L. Zhang (National University of Singapore), R. Zhang (Institute of Infocomm Research), Y.C. Liang (Institute of Infocomm Research), Y. Xin, (NEC Laboratories America), H.V. Poor (Princeton University) "On Gaussian MIMO BC-MAC Duality With Multiple Transmit Covariance Constraints", ISIT 2009, pp. 2502-2506, 2009

Honghai Zhang (NEC Laboratories America), S. Rangarajan (NEC Laboratories America) "Joint Load Balancing, Scheduling, and Interference Mitigation in Multi-cell and Multi-carrier Wireless Data Systems", WiOpt, 2009

Honghai Zhang (NEC Laboratories America), S. Rangarajan (NEC Laboratories America) "Joint Load Balancing, Scheduling, and Interference Mitigation in Multi-cell and Multi-carrier Wireless Data Systems", WiOpt, 2009

K. Ramachanran (NEC Laboratories America), R. Kokku (NEC Laboratories America), K. Sundaresan (NEC Laboratories America), M. Gruteser (Rutgers University), S. Rangarajan (NEC Laboratories America) "R2D2: Regulating Beam Shape and Rate as Directionality meets Diversity", MobiSys, pp. 235-248, 2009

A. Tajer (Columbia University), N. Prasad (NEC Laboratories America), X. Wang (NEC Laboratories America), " Distributed Beamforming and Rate Allocation in Multi-Antenna Cognitive Radio Networks", IEEE ICC 2009, 978-1-4244-3435-0, 2009

N. Prasad (NEC Laboratories America), Shuangquan Wang (NEC Laboratories America), X. Wang (NEC Laboratories America), " Efficient Receiver Algorithms for DFT-Spread OFDM Systems", IEEE Transactions on Wireless Communications, 8(6):3216-3225, 2009

K. Kim (NEC Laboratories America), D. Niculescu (NEC Laboratories America), S. Hong (State University of NY at Stony Brook), " Coexistence of VoIP and TCP in Wireless Multihop Networks ", IEEE Communications Magazine (Topics in Radio Communications), 0163-6804,09, pps 75-81, 2009

K. Sundaresan (NEC Laboratories America), S. Rangarajan (NEC Laboratories America), " Efficient Resource Management in OFDMA Femto Cells ", ACM MOBIHOC, pp. 33-42, 2009

M. Jiang (NEC Laboratories America), N. Prasad (NEC Laboratories America), Y. Xin (NEC Laboratories America), G. Yue (NEC Laboratories America), M.A. Khojastepour (NEC Laboratories America), L. Liu (NEC System Platforms Research Laboratories), T. Inoue (NEC System Platforms Research Laboratories), K. Koyanagi (NEC System Platforms Resarch Laboratories), Y. Kakura (NEC System Platforms Research Laboratories) " Key Enabling Technologies for LTE-Advanced ", IEICE Transactions on Communications, E92-B(5) 1751-1759, 2009

S. Lakshmanan (NEC Laboratories America), K. Sundaresan (NEC Laboratories America), R. Kokku (NEC Laboratories America), M.A. Khojastepour (NEC Laboratories America), S. Rangarajan (NEC Laboratories America), " Towards Adaptive Beamforming in Indoor Wireless Networks: An Experimental Approach ", Infocom, 02-04-03, pp. 1-5, 2009

K. Sundaresan (NEC Laboratories America), S. Rangarajan (NEC Laboratories America), " Efficient Algorithms for Leveraging Spatial Reuse in OFDMA Relay Networks ", Infocom, 01-43-04, pp. 1-9, 2009

M.A. Khojastepour (NEC Laboratories America), K. Gomadam (NEC Laboratories America) X. Wang (NEC Laboratories America), " Pilot-Assisted Channel Estimation For MIMO OFDM Systems Using Theory Of Sparse Signal Recovery ", ICASSP, pp. 2963-2696, 2009

G. Yue (NEC Laboratories America), X. Wang (NEC Laboratories America), " Design of Efficient ARQ Schemes with Anti-Jamming Coding for Cognitive Radios ", WCNC 2009

Honghai Zhang (NEC Laboratories America), Y. Zheng (Stanford University), M.A. Khojastepour (NEC Laboratories America), S. Rangarajan (NEC Laboratories America), " Scalable Video Streaming over Fading Wireless Channels ", WCNC 2009

Y.J. Choi (NEC Laboratories America), Y. Xin (NEC Laboratories America), S. Rangarajan (NEC Laboratories America), " Overhead-Throughput Tradeoff in Cooperative Cognitive Radio Networks ", WCNC 2009

M. Jiang (NEC Laboratories America), N. Prasad (NEC Laboratories America), X. Wang (NEC Laboratories America), " Design of Efficient Receivers for DFT-S-OFDMA Systems ", CISS 2009

G. Yue (NEC Laboratories America), X. Wang (NEC Laboratories America), " Hybrid ARQ for Turbo Coded Modulation with Mixed Combining ", CISS 2009

L. Zhang (National University of Singapore), Y. Xin (NEC Laboratories America), Y.C. Liang (NEC Laboratories America), X. Wang (NEC Laboratories America) " Achievable Rate Regions of Cognitive Radio Channels With a Confidential Message ", CISS 2009


2008

M.A. Khojastepour (NEC Laboratories America), A. Kershavarz-Haddad (Shiraz University) " On Capacity of Deterministic Relay Networks ", 46th annual Allerton Conference on Communication, Control and Computing, WeB5.1: 315-318, 2008

G. Yue (NEC Laboratories America), X. Wang (Columbia University) " Adaptive Hybrid ARQ for Gaussian and Turbo Coded Systems ", in IEEE Globecom 2008

M.A. Khojastepour (NEC Laboratories America), Guosen Yue (NEC Laboratories America), X. Wang (NEC Laboratories America), and M. Madihian (NEC Laboratories America), " Optimal Power Control in MIMO Systems with Quantized Feedback", IEEE Transactions on Communications, 7(12): 4859-4866, 2008

Y.J. Choi (NEC Laboratories America, Univ. of Michigan), Kang G. Shin (Univ. Michigan), "Power-Adjusted Random Access to a Wireless Channel", In IEEE INFOCOM 2008

N. Prasad (NEC Laboratories America), M.K. Varanasi (Univ. of Colorado-Boulder), "An Optimization Approach to Decision Feedback Detection Under Modulation Constraints for MIMO fading Channels",  IEEE Transactions on Wireless Communications, Vol 7, Issue 12, 2008.

N. Prasad (NEC Laboratories America), M.K. Varanasi (Univ. of Colorado-Boulder), L. Venturino, "An Analysis of the MIMO-SDMA Channel With Space-Time Orthogonal and Quasi-Orthogonal User Transmissions and Efficient Successive Cancellation Decoders", IEEE Transactions on Information Theory, 2008.

M.A. Khojastepour (NEC Laboratories America), G. Yue (NEC Laboratories America), X. Wang (NEC Laboratories America), and M. Madihian (NEC Laboratories America "Optimal Power Control in MIMO Systems with Quantized Feedback", IEEE Transactions on Wireless Communications, 7(12): 4859-4866, 2008

L. Venturino (Universita degli Studi di Cassino), N. Prasad (NEC Laboratories America) and X. Wang (NEC Laboratories America), "A Successive Convex Approximation Algorithm for Weighted Sum-Rate Maximization in Downlink OFDMA Networks", In the Conference on Information Sciences and Systems (CISS) 2008

G. Yue (NEC Laboratories America), " Anti-Jamming Coding for Cognitive Radio", IEEE Signal Processing Magazine, 25(6): 35-45, 2008

G. Yue (NEC Laboratories America), X. Wang (NEC Laboratories America) " A New Binary Iterative LDPC Decoding Algorithm", Proceedings of 5th Int'l Symposium on Turbo Codes & Related Topics, 2008

Guosen Yue (NEC Laboratories America), X. Wang (NEC Laboratories America), and M. Madihian (NEC Laboratories America "Concatenated PAPR Reduction Scheme with Threshold Limited Selection for Coded OFDM", IET Proceedings on Communications, 2(8): 1034-1042, 2008

G. Yue (NEC Laboratories America), X. Wang (NEC Laboratories America), and M. Madihian (NEC Laboratories America "Outage performance and IRA Code Design for MIMO Block Fading", IEEE Transactions on Vehicular Technology, 57(4): 2354-2363, 2008

G. Yue (NEC Laboratories America), X. Wang (NEC Laboratories America), Y. Yang (Avalink Inc), A. Host-Madsen (University of Hawaii at Manoa) " Coding Schemes for User Cooperation in Low-power Regimes", IEEE Transactions on Signal Processing, 56(5): 2035-2049, 2008

C. Li (Columbia University), G. Yue (NEC Laboratories America), M.A. Khojastepour (NEC Laboratories America), X. Wang (NEC Laboratories America & Columbia University), M. Madihian (NEC Laboratories America(, " LDPC Code Design for Half-duplex Cooperative Relay", IEEE Transactions on Wireless Communications, 7(11):4558-4567, 2008

M.A. Khojastepour (NEC Laboratories America), N. Prasad (NEC Laboratories America), S. Wang (NEC Laboratories America), X. Wang (NEC Laboratories America & Columbia University) and M. Madihian (NEC Laboratories America), "Quantized Multi-rank Beamforming for MIMO Systems", In the Conference on Information Sciences and Systems (CISS) 2008 pp. 877-883, 2008

N. Prasad (NEC Laboratories America) and X. Wang (Columbia University), "Rate Allocation in Multiuser Cognitive Radio Systems with Successive Group Decoding", Proceedings of ITA Workshop 2008

N. Prasad (NEC Laboratories America), M.K. Varanasi (Univ. of Colorado-Boulder), "Analysis and Optimization of Diagonally Layered Lattice Schemes for MIMO Fading Channels", IEEE Transactions on Information Theory, Vol 54, Issue 3, 2008.

Young-June Choi (NEC Laboratories America, Seoul National Univ.), Saewoong Bahk (Seoul National Univ.) "Partial Channel Feedback Schemes Maximizing Overall Efficiency in Wireless Networks", IEEE Transactions on Wireless Communications, vol. 7, no. 4, pp. 1306-1314, 2008

Young-June Choi (NEC Laboratories America, Seoul National Univ.), Saewoong Bahk (Seoul National Univ.)
"Multichannel Wireless Scheduling under Limited Terminal Capability", IEEE Transactions on Wireless Communications, vol. 7, no. 2, pp. 611-617, 2008

N. Prasad (NEC Laboratories America), X. Wang (Columbia University) Outage Minimization and Fair Rate Allocation for the Multiple Access Relay Channel, International Symposium on Information Theory (ISIT), 2008

N. Prasad (NEC Laboratories America) X. Wang (Columbia University), Interference suppression receivers for the    cellular downlink channel, IEEE Journal on Selected areas in communications (JSAC), 2008 

N. Prasad (NEC Laboratories America), I. Berenguer (Columbia University), X. Wang (Columbia University), Design of Spherical Lattice Space-Time Codes, IEEE Transactions on Information Theory, 2008 

N. Prasad (NEC Laboratories America), G. Yue (NEC Laboratories America), X. Wang (Columbia University), M. Varanasi (Univ. of Colorado-Boulder), M. Madihian (NEC Laboratories America), Optimal Successive Group Decoders for MIMO Multiple Access Channels, IEEE Transactions on Information Theory, 2008 

L. Venturino (Universita degli Studi di Cassino), N. Prasad (NEC Laboratories America), X. Wang (Columbia University), Coordinated Linear Beamforming in Downlink Multi- Cell Wireless Networks, Proceedings of Asilomar 2008

K. Yang (Columbia University), N. Prasad (NEC Laboratories America), X. Wang (Columbia University), An Auction Approach to Resource Allocation in Uplink Multi-Cell OFDMA Systems, In Globecom 2008 

N. Prasad (NEC Laboratories America), X. Wang (Columbia University), Outage Minimization and Fair Rate Allocation in Gaussian Interference Channels, In Globecom, 2008

C. Li (Columbia University), G. Yue (NEC Laboratories America), M.A. Khojastepour (NEC Laboratories America), X. Wang (Columbia University, NEC Laboratories America) and M. Madihian (NEC Laboratories America), "LDPC-coded Cooperative Relay Systems: Performance Analysis and Code Design", IEEE Transactions on Communications Vol. 56, No. 3, pp. 485-496, 2008

K. Li (NEC Laboratories America), G. Yue (NEC Laboratories America) and X. Wang (NEC Laboratories America), "Low-Rate Repeat-Zigzag-Hadamard Codes", IEEE Transactions on Information Theory Vol 54, No. 2, 2008.

Honghai Zhang (NEC Laboratories America), Sampath Rangarajan (NEC Laboratories America), Adaptive Scheduling of Streaming Video over Wireless Networks, ICME 2008, Germany.

Honghai Zhang and Jennifer C. Hou, ``Asymptotic critical total power for k-connectivity of wireless networks,'' IEEE/ACM Trans. on Networking, April 2008, Vol. 16, No. 2.

Honghai Zhang, Luca Venturino, Narayan Prasad, Sampath Rangarajan, "Distributed Inter-cell Interference Mitigation in OFDMA Wireless Data Networks," 4th IEEE BWA workshop,2008

Kishore Ramachandran (WINLAB, Rutgers University), Ravi Kokku (NEC Laboratories America), Honghai Zhang (NEC Laboratories America), and Marco Gruteser (WINLAB, Rutgers University), Symphony: Synchronous Two-Phase Rate and Power Control in WLANs. In ACM MOBISYS 2008, Colorado.

Ravi Kokku (NEC Laboratories America) , Karthik Sundaresan (NEC Laboratories America)  and Guofei Jiang (NEC Laboratories America) , Enabling Location-Specific Real-time Mobile Applications. in ACM MOBIARCH 2008.

Marc Blanco (Rice University), Ravi Kokku (NEC Laboratories America) , Kishore Ramachandran (WINLAB, Rutgers University), Sampath Rangarajan (NEC Laboratories America)  and Karthik Sundaresan (NEC Laboratories America) , On the Effectiveness of Switched Beam Antennas in Indoor Environments. in the Passive and Active Measurement Conference (PAM), 2008.

Karthik Sundaresan (NEC Laboratories America)  and Sampath Rangarajan (NEC Laboratories America), On Exploiting Diversity and Spatial Reuse in Relay-enabled Wireless Networks. In ACM MOBIHOC, 2008. Best paper Award.

Karthik Sundaresan (NEC Laboratories America)  and Sampath Rangarajan (NEC Laboratories America), On Coexistence of Unicast and Multicast Traffic in Relay Enabled Wireless Networks. In the 5th International Conference on Broadband Communications, Networks and Systems (BROADNETS), 2008.

Mihaela Enachescu (Stanford University), Ravi Kokku (NEC Laboratories America). Routelet Placement for Multipath Transport  In the 5th International Conference on Broadband Communications, Networks and Systems (BROADNETS), September 2008, London, UK. Best Paper Award.

Upendra Shevade (UT-Austin), Ravi Kokku (NEC Laboratories America), Harrick Vin (UT-Austin). Run-time System for Scalable Network Services, In INFOCOM 2008, Phoenix, Arizona.

 

2007


L. Venturino (Universita degli Studi di Cassino) N. Prasad (NEC Laboratories America) X. Wang (Columbia University), An Improved Iterative Water-Filling for Multi-Cell Interference Mitigation in Downlink OFDMA Networks, Proceedings of Asilomar 2007

N. Prasad (NEC Laboratories America), K. Li (Columbia University), S. J. Kim, (NEC Laboratories America), X. Wang (Columbia University), Fair rate allocations for multi-user OFDM networks, Proceedings of Allerton 2007 

G. Yue, (NEC Laboratories America), X. Wang (Columbia University), M. Madihian (NEC Laboratories America), Anti-Jamming Coding Techniques for Secondary Users in Cognitive Radio Systems, Proceedings of Globecom 2007

N. Prasad, NEC Laboratories America, L. Venturino, Universita degli Studi di Cassino, X. Wang, Columbia University, M. Madihian, NEC Laboratories America, Diversity-Multiplexing Trade-off analysis of OFDMsystems with linear detectors, Proceedings of Globecom 2007

Santosh Abraham, Peretz Feder, Michael Recchione, Honghai Zhang, "The capacity of VoIP over 802.11," Bell Labs Technical Journal, Winter 2007, Vol. 11, No. 4.

S.J. Kim, NEC Laboratories America, X. Wang, NEC Laboratories America and M. Madihian, NEC Laboratories America, "Cross-Layer Design of Wireless Multihop Backhaul Networks with Multiantenna Beamforming", IEEE Transactions on Mobile Computing 6(11):pp. 1259-1269, November 2007

D. Niculescu, NEC Laboratories America, "Interference map for 802.11 networks", IMC 2007 pp.339-350, 2007

C. Li, NEC Laboratories America and X. Wang, NEC Laboratories America, "Throughput Analysis for Parallel ARQ Correlated MIMO Channels",

N. Prasad, NEC Laboratories America, L. Venturino, Universit\`{a} degli Studi de Cassino, X. Wang, NEC Laboratories America \& Columbia University and M. Madihian, NEC Laboratories America, "Design of Linear Dispersion Codes for Practical MIMO-OFDM Systems", IEEE Journal of Selected Topics in Signal Processing 06/01/2007:1(1) pp. 178-188

N. Prasad, NEC Laboratories America, L. Venturino, NEC Laboratories America, X. Wang, NEC Laboratories America and M. Madihian, NEC Laboratories America, "Analysis of Multiuser Stacked Space-time Orthogonal and Quasi-orthogonal Designs", International Symposium on Information Theory (ISIT) CD:pp. 2631-2635, 2007

S. Jung, State University of New York, S. Hong, State University of New York and K. Kim, NEC Laboratories America, "On Achieving High PerformanceWireless Mesh NetworksWith Data Fusion", WoWMoM 2007.

P. Aggarwal, Columbia University, N. Prasad, NEC Laboratories America, X. Wang, NEC Laboratories America & Columbia University and M. Madihian, NEC Laboratories America, "A Low Complexity MMSE-based Sequential Monte Carlo Algorithm for Near-Optimal MIMO Demodulation", IEEE Transaction on Signal Processing 06/06/2007:55(6) pp. 2395-2406

N. Prasad, NEC Laboratories America, L. Venturino, Universita degli Studi de Cassino, X. Wang, NEC Laboratories America & Columbia University and M. Madihian, NEC Laboratories America, "Design of Linear Dispersion Codes for Practical MIMO-OFDM Systems", IEEE ICC 2007 1-4244-0353-7/07:2007 IEEE

G. Yue, NEC Laboratories America, X. Wang, NEC Laboratories America and M. Madihian, NEC Laboratories America, "Design of Rate-Compatible Irregular Repeat Accumulate Codes", IEEE Transactions on Communications 55(6):pp. 1153-1163, 007

R. Kokku, NEC Laboratories America, A. Bohra, NEC Laboratories America, S. Ganguly, NEC Laboratories America and A. Venkataramani, University of Massachusetts, "A Multipath Background Network Architecture", Proceedings of INFOCOM 2007 np, 2007

A. Sang, NEC Laboratories America, X. Wang, NEC Laboratories America and M. Madihian, NEC Laboratories America, "Real-Time QoS in Enhanced 3G Cellular Packet Systems of a Shared Downlink Channel", IEEE Transactions on Wireless Communications 6(5):pp. 1803-1812, 2007

G. Yue, NEC Laboratories America, X. Wang, NEC Laboratories America and M. Madihian, NEC Laboratories America, "Generalized Low-Density Parity-Check Codes with Hadamard Constraints", IEEE Transactions on Information Theory 53(3): 1058-1079, 2007

M. Cao, NEC Laboratories America, X. Wang, NEC Laboratories America, S.J. Kim, NEC Laboratories America and M. Madihian, NEC Laboratories America, "Multi-hop Wireless Backhaul Networks - A Cross-layer Design Paradigm", IEEE Journal on Selected Areas in Communications (JSAC) 25(4):738-748, 2007

G. Yue, NEC Laboratories America, B. Lu, NEC Laboratories America and X. Wang, NEC Laboratories America, "Analysis and Design of Finite-Length LDPC Codes", IEEE Transactions on Vehicular Technology 56(3):pp. 1321-1332, 2007

C. Li, Marvell Semiconductor, M.A. Khojastepour, NEC Laboratories America, G. Yue, NEC Laboratories America, X. Wang, NEC Laboratories America \& Columbia University and M. Madihian, NEC Laboratories America, "LDPC Code Design for Half-duplex Relay Networks", International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2007) CD:pp. 873-876, 2007

A. Sang, NEC Laboratories America, X. Wang, NEC Laboratories America and M. Madihian, NEC Laboratories America, "Differentiated TCP User Perception over Downlink Packet Data Cellular Systems", IEEE Transactions on Mobile Computing 6(3):252-263, 2007

B. Lu, NEC Laboratories America and X. Wang, Columbia University, "Design of Multi-layer Coded Modulation for Non-Ergodic Block Fading Channels",

B. Lu, NEC Laboratories America, X. Wang, NEC Laboratories America and M. Madihian, NEC Laboratories America, "Physical-Layer Air Interface Solutions for Broadband High-speed wireless Cellular Systems", Wireless Networks 13(1):5-26, 2007





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