554 search results - page 7 / 111 » Approximability of OFDMA Scheduling |
MOBIHOC
2009
ACM
15 years 10 months ago
2009
ACM
Femto cells are a cost-effective means of providing ubiquitous connectivity in future broadband wireless networks. While their primary purpose has been to improve coverage in curr...
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
— We consider the problem of joint end-to-end rate optimization and radio resource management in wireless OFDMA-based mesh networks. Radio units equipped with multiple radio inte...
VTC
2006
IEEE
15 years 3 months ago
2006
IEEE
— Performance comparison of multiuser OFDM-TDMA and OFDMA systems by considering physical and link cross-layer behavior is conducted in this work. We provide a new framework for ...
INFOCOM
2006
IEEE
15 years 3 months ago
2006
IEEE
—We propose a new adaptive admission control scheme for multiuser OFDMA systems to allocate wireless resource with low complexity. In this adaptive admission control scheme, the ...
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GLOBECOM
2010
IEEE
14 years 7 months ago
2010
IEEE
Fast and accurate Carrier Frequency Offset (CFO) estimation is a problem of significance in many multi-carrier modulation based systems, especially in uplink Orthogonal Frequency D...