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TSP
2008
112views more  TSP 2008»
13 years 6 months ago
An Algebraic Coding Scheme for Wireless Relay Networks With Multiple-Antenna Nodes
Abstract--We consider the problem of coding over a half-duplex wireless relay network where both the transmitter and the receiver have respectively several transmit and receive ant...
Frédérique E. Oggier, Babak Hassibi
TSP
2008
69views more  TSP 2008»
13 years 6 months ago
A Frame Construction and a Universal Distortion Bound for Sparse Representations
Abstract-- We consider approximations of signals by the elements of a frame in a complex vector space of dimension N and formulate both the noiseless and the noisy sparse represent...
Mehmet Akçakaya, Vahid Tarokh
TSP
2008
147views more  TSP 2008»
13 years 6 months ago
Decentralized Activation in Dense Sensor Networks via Global Games
Decentralized activation in wireless sensor networks is investigated for energy-efficient monitoring using the theory of global games. Given a large number of sensors which can ope...
V. Krishnamurthy
TSP
2008
167views more  TSP 2008»
13 years 6 months ago
Decentralized Adaptive Filtering Algorithms for Sensor Activation in an Unattended Ground Sensor Network
Abstract--We present decentralized adaptive filtering algorithms for sensor activation control in an unattended ground sensor network (UGSN) comprised of ZigBee-enabled nodes. Node...
Vikram Krishnamurthy, Michael Maskery, Gang George...
TSP
2008
113views more  TSP 2008»
13 years 6 months ago
Avoiding Divergence in the Shalvi-Weinstein Algorithm
The most popular algorithms for blind equalization are the constant-modulus algorithm (CMA) and the ShalviWeinstein algorithm (SWA). It is well-known that SWA presents a higher co...
Maria D. Miranda, Magno T. M. Silva, Victor H. Nas...