512 search results - page 9 / 103 » Random Access Systems with a Time Varying Channel |
VTC
2006
IEEE
14 years 4 months ago
2006
IEEE
— In this paper, a semi-analytical approach for the performance analysis of the random time slot (TS) hopping (RTSH) algorithm applied to code division multiple access time divis...
ICC
2007
IEEE
14 years 5 months ago
2007
IEEE
—Conventional 802.11 medium access control (MAC) characteristics. In particular, all of these designs adopted a protocols have been designed separately from the characteristics s...
ICNP
2005
IEEE
14 years 4 months ago
2005
IEEE
While extensive efforts have been devoted to providing optimization based, distributed congestion control schemes for efficient bandwidth utilization and fair allocation in both ...
CORR
2006
Springer
13 years 10 months ago
2006
Springer
A cross-layer optimization approach is adopted for the design of symmetric random access wireless systems. Instead of the traditional collision model, a more realistic physical la...
TSP
2008
13 years 10 months ago
2008
We propose a wireless fading channel prediction algorithm for a pilot-symbol aided Orthogonal Frequency Division Multiplexing (OFDM) system. Assuming a doubly selective (time and ...