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TCOM
2011
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13 years 2 months ago
Exploiting Sparse User Activity in Multiuser Detection
—The number of active users in code-division multiple access (CDMA) systems is often much lower than the spreading gain. The present paper exploits fruitfully this a priori infor...
Hao Zhu, Georgios B. Giannakis
TIT
2002
148views more  TIT 2002»
13 years 6 months ago
The use of multiuser detectors for multicasting in wireless ad hoc CDMA networks
In this paper, we address the issue of performance of linear multiuser detectors for a multicasting application in an ad hoc wireless network. Using a code-division multiple-access...
Chandrasekar Sankaran, Anthony Ephremides
ICC
2007
IEEE
14 years 1 months ago
Turbo Multiuser Detection Based on Local Search Algorithms
—The full-complexity soft-input/soft-output (SISO) multiuser detector based on the a posteriori probability (APP) algorithm has a computational complexity growing exponentially w...
Zhiliang Qin, Kui Cai, Xiaoxin Zou