Spectral efficiency of multicarrier CDMA

被引：54
作者：
Tulino, AM [1 ]
Li, LB
Verdú, S
机构：
[1] Univ Naples Federico II, I-81125 Naples, Italy
[2] Princeton Univ, Dept Elect Engn, Princeton, NJ 08544 USA
来源：
IEEE TRANSACTIONS ON INFORMATION THEORY | 2005年 / 51卷 / 02期
关键词：
channel capacity; multicarrier code-division multiple access (MC-CDMA); random matrix theory; multiuser information theory; fading channels;
D O I：
10.1109/TIT.2004.840875
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We analyze the spectral efficiency (sum-rate per subcarrier) of randomly spread synchronous multicarrier code-division multiple access (MC-CDMA) subject to frequency-selective fading in the asymptotic regime of number of users and bandwidth going to infinity with a constant ratio. Both uplink and downlink are considered, either conditioned on the subcarrier fading coefficients (for nonergodic channels) or unconditioned thereon (for ergodic channels). The following receivers are analyzed: a) jointly optimum receiver, b) linear minimum mean-square error (MMSE) receiver, c) decorrelator, and d) single-user matched filter.
引用
收藏
页码：479 / 505
页数：27
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