SINR for DS-CDMA with random spreading
Resource
Vehicular Technology Conference, 2005. VTC 2005-Spring. 2005 IEEE 61st
Journal
Vehicular Technology Conference, 2005. VTC 2005-Spring. 2005 IEEE 61st
Pages
-
Date Issued
2005-06
Date
2005-06
Author(s)
Chiang, Ping-Hung
Lin, Ding-Bing
Li, Hsueh-Jyh
DOI
1550-2252
Abstract
For wireless multipath fading channels, the performance of a direct-sequence code-division multiple-access (DS-CDMA) system is degraded by interference, including multipath interference (MPI) and multiuser interference (MUI). For the downlink DS-CDMA with random spreading, we derive the variances of MPI and MUI and obtain the signal-to-interference-plus-noise ratio (SINR). The simple and elegant expressions for the variances of the interference provide useful insights, while the corresponding SINR representation is helpful in evaluating the bit-error-rate (BER) performance that takes the impact of the interference into consideration. In order to demonstrate our approach, an example regarding the performance analysis of the two-input-single-output (2ISO) space-time block coded DS-CDMA with RAKE reception is also provided.
Type
journal article
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