ICC
2008
IEEE
14 years 6 months ago
2008
IEEE
—Taking advantage of the frequency diversity and multiuser diversity in OFDMA based wireless networks, dynamic subcarrier assignment mechanisms have shown to be able to achieve m...
ICC
2008
IEEE
14 years 6 months ago
2008
IEEE
Abstract— Single-Symbol Maximum Likelihood (ML) decodable Distributed Orthogonal Space-Time Block Codes (DOSTBCs) have been introduced recently for cooperative networks and an up...
ICC
2008
IEEE
14 years 6 months ago
2008
IEEE
ICC
2008
IEEE
14 years 6 months ago
2008
IEEE
— 1 In this paper, training-based transmissions over a priori unknown Rayleigh block fading channels are considered. The input signals are assumed to be subject to peak power con...
ICC
2008
IEEE
14 years 6 months ago
2008
IEEE
—OFDM systems have gained outstanding popularity for high data rate wireless communications. In practice, however, the performance of OFDM systems is often limited due to hardwar...
ICC
2008
IEEE
14 years 6 months ago
2008
IEEE
Arbitrary Inter-frame Space (AIFS), Contention Window (CW) and Transmission Opportunity (TXOP) are three important Quality-of-Service (QoS) differentiation schemes specified in the...
ICC
2008
IEEE
14 years 6 months ago
2008
IEEE
Abstract—Signature quantization for reverse-link Direct Sequence (DS)- Code Division Multiple Access (CDMA) is considered. A receiver assumed to have perfect estimates of channel...
ICC
2008
IEEE
14 years 6 months ago
2008
IEEE
QR decomposition (QRD)-based precoded MIMO-OFDM systems with reduced feedback are proposed to convert the MIMO-OFDM channel into layered subchannels. QRD-M is further combined wit...
ICC
2008
IEEE
14 years 6 months ago
2008
IEEE
—We propose to use carrier interferometry (CI) codes to reduce the complexity of the maximumlikelihood multiuser-detection (ML-MUD) receiver in MC-CDMA systems with carrier frequ...
ICC
2008
IEEE
14 years 6 months ago
2008
IEEE
—In this paper, we derive the asymptotic bit error rate (BER) for multiple-input multiple-output bit-interleaved coded modulation (MIMO-BICM) with linear zero-forcing (ZF) receiv...