GLOBECOM
2006
IEEE
14 years 9 months ago
2006
IEEE
— A novel method is proposed for reducing the feedback rate of a transmit beamforming system with feedback of quantized channel state information. Specifically, the channel is m...
GLOBECOM
2006
IEEE
14 years 9 months ago
2006
IEEE
Abstract— In this paper, we formulate an optimal rate allocation scheme for uplink and downlink in a single-cell CDMA system. Using concepts from game theory, we show that it is ...
GLOBECOM
2006
IEEE
14 years 9 months ago
2006
IEEE
— IEEE 802.11 DCF exhibits poor scalability due to the large contention overhead. Therefore, the more the number of stations, the less the aggregate throughput. We propose a two-...
GLOBECOM
2006
IEEE
14 years 9 months ago
2006
IEEE
—We demonstrate that receive antenna selection (RAS) provides significant increase in the achievable sum rates for multi-user MIMO wireless downlinks that employ block diagonaliz...
GLOBECOM
2006
IEEE
14 years 9 months ago
2006
IEEE
— We study the downlink coverage of a base station terminal (BST), which has access to a relay node. Continuing a previous study in which the BST is assumed to provide a variable...
GLOBECOM
2006
IEEE
14 years 9 months ago
2006
IEEE
Abstract— This paper focuses on the unfairness problem between TCP uplink and downlink flows in the 802.11 Wi-Fi hot spots and shows that the service is prone to be unfair. The ...
GLOBECOM
2006
IEEE
14 years 9 months ago
2006
IEEE
— Fixed relays are expected to be a part of future infrastructure-based wireless networks. Besides coverage extension, such relays can form advanced architectures due to the fle...
GLOBECOM
2006
IEEE
14 years 9 months ago
2006
IEEE
We consider a MIMO system where error-prone feedback from the receiver is used by the transmitter to select a single optimum antenna to transmit data. Such error-prone feedback is...
GLOBECOM
2006
IEEE
14 years 9 months ago
2006
IEEE
Abstract—Employing multiple base stations is an attractive approach to enhance the lifetime of wireless sensor networks. In this paper, we address the fundamental question concer...
GLOBECOM
2006
IEEE
14 years 9 months ago
2006
IEEE
Abstract— In this paper, we investigate the application of nonbinary low density parity check (LDPC) codes over Galois field GF(q) for both single-input single-output (SISO) and...