InterDigital Inc (IDCC)

[Gamco]

United States Patent 7,599,344
Pan , et al. October 6, 2009
Method and apparatus for reducing multi-user processing in wireless communication systems

Abstract
A method and apparatus is disclosed for reducing multi-user processing at the receiver in wireless communication systems. Detected codes are grouped according to channel impulse response and a parent code is identified for each group of detected codes. A matrix A is constructed and joint detection is performed using the identified parent codes. Data symbols of the detected codes are obtained from the data symbols of the identified parent codes.

Inventors: Pan; Jung-Lin (Selden, NY), Kwak; Jaeyoung (Morganville, NJ), Grieco; Donald M. (Manhassett, NY)
Assignee: InterDigital Technology Corporation (Wilmington, DE)
Appl. No.: 10/924,442
Filed: August 24, 2004
Related U.S. Patent Documents
Application Number Filing Date Patent Number Issue Date
60577898 Jun., 2004
Current U.S. Class: 370/342 ; 370/203; 370/208; 370/335; 375/130; 375/136; 375/142; 375/147; 375/148; 375/346; 375/348
Current International Class: H04B 7/216 (20060101)
Field of Search: 370/203,208,335,342 375/130,136,142,147,148,346,348