394 search results - page 26 / 79 » Performance of Multiuser Detection with Adaptive Channel Est... |
102
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WIMOB
2007
IEEE
15 years 6 months ago
2007
IEEE
In this paper, ranging process in IEEE 802.16e OFDMA systems is analyzed and performance is evaluated. Ranging process provides initial network entry, uplink synchronization, and ...
VTC
2007
IEEE
15 years 6 months ago
2007
IEEE
1 — The authors of this paper proposed an iterative expectation-maximization (EM) channel estimation based on a low-density parity-check (LDPC) code-division multiple access rece...
VTC
2007
IEEE
15 years 6 months ago
2007
IEEE
Abstract - A coherent detection of OFDM signals (Orthogonal Frequency Division Multiplexing) allows good performances in severely time-dispersive channels. However, coherent receiv...
118
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IEICET
2006
14 years 11 months ago
2006
This paper presents an interference suppression using subband adaptive array for space-time block coding (STBC) code division multiple access (CDMA) under the frequency selective ...
ICNP
2007
IEEE
15 years 6 months ago
2007
IEEE
— Rate adaptation is one of the basic functionalities in today’s 802.11 wireless LANs (WLANs). Although it is primarily designed to cope with the variability of wireless channe...