Title :
Simple spreading code allocation scheme for downlink MC-CDMA
Author :
Shi, Qinghua ; Latva-aho, M.
Author_Institution :
Centre for Wireless Commun., Oulu Univ., Finland
fDate :
7/18/2002 12:00:00 AM
Abstract :
Walsh-Hadamard (WH) codes are found to be well characterised in the frequency domain. With this unique feature, a simple spreading code allocation scheme is proposed for downlink MC-CDMA employing WH codes
Keywords :
Hadamard codes; OFDM modulation; code division multiple access; land mobile radio; multiuser channels; radio links; spread spectrum communication; BPSK; OFDM; Walsh-Hadamard codes; downlink MC-CDMA; frequency diversity; frequency domain; multicarrier code-division multiple-access; orthogonal frequency division multiplexing; spreading code allocation;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20020552
