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WOWMOM
2006
ACM
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14 years 4 months ago
Selective Channel Feedback Mechanisms for Wireless Multichannel Scheduling
Opportunistic scheduling can significantly improve wireless network performance by exploiting the feedback information that conveys the underlying channel condition. In emerging ...
Young-June Choi, Saewoong Bahk
VTC
2007
IEEE
14 years 5 months ago
Opportunistic Feedback Protocol for Achieving Sum-Capacity of the MIMO Broadcast Channel
—This paper presents an opportunistic feedback (OF) protocol that achieves the asymptotic sum-capacity of the fading broadcast channel (BC) with a limited amount of feedback. The...
Rajiv Agarwal, Chan-Soo Hwang, John M. Cioffi
GLOBECOM
2007
IEEE
14 years 5 months ago
Opportunistic Feedback in OFDMA Downlink
—This paper presents an opportunistic feedback (OF) protocol that reduces the amount of channel-state-information (CSI) feedback for the OFDMA downlink system. The OF protocol as...
Rajiv Agarwal, Vineet Abhishek, Rath Vannithamby, ...