Title :
Complex spreading sequence design for S-CDMA systems under total weighted squared correlation criterion
Author :
Cotae, Paul ; Aguirre, Matt ; Shadaram, Mehdi
Author_Institution :
Electr. & Comput. Eng., Texas Univ., San Antonio, TX, USA
Abstract :
An algorithm for the design of the overloaded complex spreading sequence sets on the uplink of multicellular synchronous CDMA systems is introduced. Assuming that in each cell the number of users K is greater than the corresponding processing gain N, the total weighted squared correlation criterion is used as a performance measure. The mathematical formalism is supported with selected numerical examples in the multicellular context.
Keywords :
cellular radio; code division multiple access; radio links; spread spectrum communication; S-CDMA systems; complex spreading sequence design; multicellular synchronous CDMA; total weighted squared correlation criterion; Algorithm design and analysis; Code division multiplexing; Context; Correlation; Design engineering; Eigenvalues and eigenfunctions; Interference; Matrix decomposition; Multiaccess communication; Traffic control;
Conference_Titel :
Radio and Wireless Symposium, 2006 IEEE
Print_ISBN :
0-7803-9412-7
DOI :
10.1109/RWS.2006.1615126
