512 search results - page 52 / 103 » Random Access Systems with a Time Varying Channel |
VTC
2008
IEEE
15 years 4 months ago
2008
IEEE
— This paper compares the system level performance of Decode-and Forward (DF) relay and a RF repeater in a cellular system. The results show that for small cell sizes, the repeat...
USENIX
2007
15 years 13 days ago
2007
Current disk prefetch policies in major operating systems track access patterns at the level of the file abstraction. While this is useful for exploiting application-level access...
PODC
2006
ACM
15 years 4 months ago
2006
ACM
We consider deterministic distributed broadcasting on multiple access channels in the framework of adversarial queuing. Packets are injected dynamically by an adversary that is co...
JSAC
2008
14 years 10 months ago
2008
Abstract--In a downlink Orthogonal Frequency Division Multiple Access (OFDMA) system, optimally allocating sub-channels across mobile users can require excessive feedback of channe...
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CNSR
2007
IEEE
15 years 4 months ago
2007
IEEE
In this paper, the issue of channel estimation with multiple In-Cell co-channel Users (ICUs) in the presence of Out of Cell Interferers (OCIs) is addressed. A Single Carrier Frequ...