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ICC
2007
IEEE
14 years 1 months ago
Trade-Offs of Spatial Gain for QoS-Guaranteed Services in the MIMO Broadcast Channels
— Although the capacity of multiple-input multiple output (MIMO) broadcast channels (BCs) can be achieved by dirty-paper coding (DPC), it is difficult to apply the results direct...
Seung Hwan Lee, John S. Thompson
ICC
2007
IEEE
147views Communications» more  ICC 2007»
14 years 1 months ago
Performance Analysis of Adaptive Rate Scheduling Scheme for 3G WCDMA Wireless Networks with Multi-Operators
— Sharing of 3G network infrastructure among operators offers an alternative solution to reducing the investment in the coverage phase of WCDMA. For radio access network (RAN) sh...
Salman AlQahtani, Ashraf S. Mahmoud, Asrar U. Shei...
ICC
2007
IEEE
118views Communications» more  ICC 2007»
14 years 1 months ago
A Class of LDPC Erasure Distributions with Closed-Form Threshold Expression
— In this paper, a family of low-density parity-check (LDPC) degree distributions, whose decoding threshold on the binary erasure channel (BEC) admits a simple closed form, is pr...
Enrico Paolini, Marco Chiani
ICC
2007
IEEE
145views Communications» more  ICC 2007»
14 years 1 months ago
Adaptive vs. Diversity Transmission for Multiuser MISO Systems with Imperfect CSIT
Abstract— Adaptive transmission techniques including transmit beamforming, precoding, and opportunistic scheduling offer high spectral efficiency when channel state information ...
Frederick K. H. Lee, Mai H. Vu, Arogyaswami Paulra...
ICCCN
2007
IEEE
14 years 1 months ago
Optimization Models for Streaming in Multihop Wireless Networks
— Wireless spectrum is a scare resource, while media streaming usually requires high end-to-end bandwidth. Media streaming in wireless ad hoc networks is therefore a particularly...
Zongpeng Li, Baochun Li, Mea Wang