TWC
2008
13 years 4 months ago
2008
Practical cooperative diversity protocols often rely on low-cost radios that treat multiple in-band signals as noise and thus require strictly orthogonal transmissions. We analyze ...
TWC
2008
13 years 4 months ago
2008
OFDMA resource allocation assigns subcarriers and power, and possibly data rates, to each user. Previous research efforts to optimize OFDMA resource allocation with respect to comm...
TWC
2008
13 years 4 months ago
2008
This letter proposes a hybrid decision-feedback equalizer (HDFE) for DS-CDMA systems. The proposed HDFE is carried out in two stages to improve the accuracy of the feedback signals...
TWC
2008
13 years 4 months ago
2008
In this contribution, we propose a new code-aided synchronization and channel estimation algorithm for uplink MC-CDMA. The space alternating generalized expectationmaximization (SA...
TWC
2008
13 years 4 months ago
2008
In ultra-wideband (UWB) communications, the typical signal propagation through dense multipath fading offers potentially very large multipath diversity, but at the same time compl...
TWC
2008
13 years 4 months ago
2008
In this paper, real-time video transmission with quality of service (QoS) assurance over orthogonal frequency division multiplexing (OFDM) wireless systems is studied. Three quasi-...
TWC
2008
13 years 4 months ago
2008
Abstract--Block diagonalization is one approach for linear precoding in the multiple-input multiple-output broadcast channel that sends multiple interference free data streams to d...
TWC
2008
13 years 4 months ago
2008
Abstract--Push-to-talk over Cellular (PoC) is a "walkietalkie"-like service designed for mobile networks. In this service, the speak permission is arbitrated through the ...
TWC
2008
13 years 4 months ago
2008
We consider beamforming assisted detection for multiple antenna aided multiuser systems that employ the bandwidth efficient quadrature amplitude modulation scheme. A minimum symbol...
TWC
2008
13 years 4 months ago
2008
Scheduling in a broadcast channel based on partial channel-state-information at the transmitter is carried out in an opportunistic way. In this paper, the number of generated beams...