Sciweavers

JSAC
2006
100views more  JSAC 2006»
14 years 1 days ago
Analysis and optimization of CDMA systems with chip-level interleavers
Abstract--In this paper, we present an unequal power allocation technique to increase the throughput of code-division multiple-access (CDMA) systems with chip-level interleavers. P...
Lihai Liu, Jun Tong, Li Ping
JSAC
2008
151views more  JSAC 2008»
14 years 2 days ago
Joint Beamforming and Power Allocation for Multiple Access Channels in Cognitive Radio Networks
A cognitive radio (CR) network is often described as a secondary network operating in a frequency band originally licensed/allocated to a primary network consisting of one or multi...
Lan Zhang, Ying-Chang Liang, Yan Xin
CORR
2007
Springer
112views Education» more  CORR 2007»
14 years 2 days ago
On Optimum Power Allocation for the V-BLAST
—A unified analytical framework for optimum power allocation in the unordered V-BLAST algorithm and its comparative performance analysis are presented. Compact closed-form appro...
Victoria Kostina, Sergey Loyka
CORR
2007
Springer
78views Education» more  CORR 2007»
14 years 2 days ago
Power Allocation for Discrete-Input Non-Ergodic Block-Fading Channels
Abstract— We consider power allocation algorithms for fixedrate transmission over Nakagami-m non-ergodic block-fading channels with perfect transmitter and receiver channel stat...
Khoa D. Nguyen, Albert Guillen i Fabregas, Lars K....
CORR
2007
Springer
148views Education» more  CORR 2007»
14 years 2 days ago
Optimal Power Allocation for Distributed Detection over MIMO Channels in Wireless Sensor Networks
—In distributed detection systems with wireless sensor networks, the communication between sensors and a fusion center is not perfect due to interference and limited transmitter ...
Xin Zhang, H. Vincent Poor, Mung Chiang
CORR
2008
Springer
84views Education» more  CORR 2008»
14 years 5 days ago
Rate and Power Allocation in Fading Multiple Access Channels
Abstract-- We consider the problem of rate and power allocation in a fading multiple-access channel. Our objective is to obtain rate and power allocation policies that maximize a u...
Ali ParandehGheibi, Atilla Eryilmaz, Asuman E. Ozd...
CORR
2008
Springer
108views Education» more  CORR 2008»
14 years 5 days ago
Rate and power allocation under the pairwise distributed source coding constraint
We explore the problem of rate and power allocation for a sensor network where pairwise distributed source coding is employed (introduced by Roumy and Gesbert `07). For noiseless n...
Shizheng Li, Aditya Ramamoorthy
CORR
2010
Springer
162views Education» more  CORR 2010»
14 years 5 days ago
Power Allocation Games in Wireless Networks of Multi-antenna Terminals
We consider wireless networks that can be modeled by multiple access channels in which all the terminals are equipped with multiple antennas. The propagation model used to account...
Elena Veronica Belmega, Samson Lasaulce, Mé...
CORR
2010
Springer
122views Education» more  CORR 2010»
14 years 5 days ago
Optimum Power and Rate Allocation for Coded V-BLAST: Average Optimization
An analytical framework for performance analysis and optimization of coded V-BLAST is developed. Average power and/or rate allocations to minimize the outage probability as well as...
Victoria Kostina, Sergey Loyka
CORR
2008
Springer
147views Education» more  CORR 2008»
14 years 5 days ago
Impact of CSI on Distributed Space-Time Coding in Wireless Relay Networks
We consider a two-hop wireless network where a transmitter communicates with a receiver via M relays with an amplify-and-forward (AF) protocol. Recent works have shown that sophis...
Mari Kobayashi, Xavier Mestre