460 search results - page 63 / 92 » On time diversity for packet channels |
TMC
2010
14 years 8 months ago
2010
Energy efficiency is of the utmost importance in wireless sensor networks. The family of low-power-listening MAC protocols was proposed to reduce one form of energy dissipation...
ISCAS
2003
IEEE
15 years 2 months ago
2003
IEEE
Scalable streams provide a layered representation for transmitting media contents over a channel with packet losses and variable delay. In general, real-time streaming scalable me...
ICC
2007
IEEE
15 years 1 months ago
2007
IEEE
Abstract-- Most user cooperation protocols work in a timesharing manner, where each user transmits its own message and relays for the other at different segments of a time slot. We...
TWC
2008
14 years 9 months ago
2008
Diversity-Embedding Space-Time Block Coding (DE-STBC), introduced in [1], enables Unequal Error Protection (UEP) using multiple transmit antennas. Even though these codes do not re...
VTC
2006
IEEE
15 years 3 months ago
2006
IEEE
—Transmitter-based signal pre-processing is investigated for the two-dimensional (2-D) OFDM-CDMA (orthogonal frequency division multiplexing, code division multiple access) forwa...