235 search results - page 29 / 47 » Rate and Power Allocation in Fading Multiple Access Channels |
CISS
2008
IEEE
14 years 2 months ago
2008
IEEE
—The delay-limited capacity of the half-duplex relay channel is analyzed for several cooperative protocols under a long-term average total transmit power constraint. It is assume...
JSAC
2007
13 years 7 months ago
2007
— Channel state information (CSI) is important for achieving large rates in MIMO channels. However, in timevarying MIMO channels, there is a tradeoff between the time/energy spen...
ICC
2008
IEEE
14 years 2 months ago
2008
IEEE
— In this paper, we propose the novel concept of Repeat Accumulate Code Division Multiple Access (RA-CDMA), which employs unique, user-specific channel code generator matrices (...
INFOCOM
2003
IEEE
14 years 1 months ago
2003
IEEE
Abstract—A medium access control (MAC) protocol is developed for wireless multimedia networks based on frequency division duplex (FDD) wideband code division multiple access (CDM...
TWC
2008
13 years 7 months ago
2008
Abstract-- In many portable devices, wireless network interfaces consume upwards of 30% of scarce system energy. Reducing the transceiver's power consumption to extend the sys...