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ICASSP
2010
IEEE
13 years 9 months ago
Circulant space-time codes for integration with beamforming
—This paper provides a framework for designing space-time codes to take advantage of a small number of feedback bits from the receiver. The new codes are based on circulant matri...
Yiyue Wu, A. Robert Calderbank
CORR
2007
Springer
84views Education» more  CORR 2007»
13 years 9 months ago
MMSE Optimal Algebraic Space-Time Codes
—Design of Space-Time Block Codes (STBCs) for Maximum Likelihood (ML) reception has been predominantly the main focus of researchers. However, the ML decoding complexity of STBCs...
G. Susinder Rajan, B. Sundar Rajan
APPROX
2006
Springer
100views Algorithms» more  APPROX 2006»
14 years 26 days ago
Robust Local Testability of Tensor Products of LDPC Codes
Given two binary linear codes R and C, their tensor product R C consists of all matrices with rows in R and columns in C. We analyze the "robustness" of the following te...
Irit Dinur, Madhu Sudan, Avi Wigderson
WCE
2007
13 years 10 months ago
Anisotropic Imaging Of Tumours Using Elastic Wave Signals
—In this short paper we show how one may extract elastic properties of materials by probing it with elastic waves and processing the signal that returns (i.e. the scattered waves...
Clifford J. Nolan, Niall Ryan
CORR
2008
Springer
90views Education» more  CORR 2008»
13 years 9 months ago
Dynamic Connectivity in ALOHA Ad Hoc Networks
We consider an ad hoc network which uses multihop routing and slotted ALOHA for its MAC contention. We show that the minimum time required for a packet to reach the destination fr...
Radha Krishna Ganti, Martin Haenggi