Method of spread space-spectrum multiple access

Details Method of spread space-spectrum multiple access Method of spread space-spectrum multiple access

H - Electricity

04

B

H04B 1/69 (2006.01) H04B 7/005 (2006.01) H04B 7/04 (2006.01) H04B 7/06 (2006.01) H04B 7/204 (2006.01) H04J 11/00 (2006.01)

Patent

CA 2422222

The present invention provides a new multiple access scheme, called the spread space spectrum multiple access scheme (SSSMA), designed for the forward link in a wireless multi-antenna system serving multiple users, who may have different quality of service requirements such as data rate and error probability. In the multi-antenna system where the SSSMA is employed, the base station transmitter and the receivers at the users' terminals all employ multiple antenna elements. By exploiting the multiple antennas which are deployed at the base station and each user's terminal, the objectives of the SSSMA are two folds: (1) increase the number of user-channels available in the system, (2) increase the individual user's data rate and improve the link performance such that each user's service requirement is satisfied.

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