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» Dynamic Rate Allocation in Fading Multiple-access Channels
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TIT
1998
91views more  TIT 1998»
13 years 7 months ago
Multiaccess Fading Channels-Part II: Delay-Limited Capacities
—In multiaccess wireless systems, dynamic allocation of resources such as transmit power, bandwidths, and rates is an important means to deal with the time-varying nature of the ...
Stephen V. Hanly, David N. C. Tse
ICASSP
2011
IEEE
12 years 11 months ago
Joint bandwidth and power allocation in cognitive radio networks under fading channels
A problem of joint optimal bandwidth and power allocation in cognitive networks under fading channels is considered. It is assumed that multiple secondary users (SUs) share the sp...
Xiaowen Gong, Sergiy A. Vorobyov, Chintha Tellambu...
TIT
2011
148views more  TIT 2011»
13 years 2 months ago
On Two-User Gaussian Multiple Access Channels With Finite Input Constellations
—Constellation Constrained (CC) capacity regions of two-user Single-Input Single-Output (SISO) Gaussian Multiple Access Channels (GMAC) are computed for several Non-Orthogonal Mu...
Jagadeesh Harshan, Bikash Sundar Rajan
VTC
2006
IEEE
101views Communications» more  VTC 2006»
14 years 1 months ago
A Virtual Slot Multiple Access for IEEE 802.15.3 High-Rate Wireless Personal Area Networks
—The IEEE 802.15.3 has introduced a type of time division multiple access (TDMA) which allocates the variable length of timeslot within a constant time interval. However, it need...
Do-Youn Hwang, Eui Hyeok Kwon, Jae-Sung Lim
TWC
2008
225views more  TWC 2008»
13 years 7 months ago
Joint rate and power allocation for cognitive radios in dynamic spectrum access environment
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...
Dong In Kim, Long Le, Ekram Hossain