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MOBISYS
2008
ACM
16 years 1 months ago
Efficient channel-aware rate adaptation in dynamic environments
Increasingly, 802.11 devices are being used by mobile users. This results in very dynamic wireless channels that are difficult to use efficiently. Current rate selection algorithm...
Glenn Judd, Xiaohui Wang, Peter Steenkiste
CORR
2008
Springer
121views Education» more  CORR 2008»
15 years 2 months ago
Cascaded Orthogonal Space-Time Block Codes for Wireless Multi-Hop Relay Networks
Distributed space-time block coding is a diversity technique to mitigate the effects of fading in multi-hop wireless networks, where multiple relay stages are used by a source to ...
Rahul Vaze, Robert W. Heath Jr.
TIT
2008
84views more  TIT 2008»
15 years 1 months ago
Optimal Universal Schedules for Discrete Broadcast
In this paper we study the scenario in which a server sends dynamic data over a single broadcast channel to a number of passive clients. We consider the data to consist of discret...
Michael Langberg, Alexander Sprintson, Jehoshua Br...
MOBICOM
2010
ACM
15 years 2 months ago
Design and experimental evaluation of multi-user beamforming in wireless LANs
Multi-User MIMO promises to increase the spectral efficiency of next generation wireless systems and is currently being incorporated in future industry standards. Although a signi...
Ehsan Aryafar, Narendra Anand, Theodoros Salonidis...
CORR
2008
Springer
142views Education» more  CORR 2008»
15 years 1 months ago
The Impact of QoS Constraints on the Energy Efficiency of Fixed-Rate Wireless Transmissions
Transmission over wireless fading channels under quality of service (QoS) constraints is studied when only the receiver has channel side information. Being unaware of the channel c...
Deli Qiao, Mustafa Cenk Gursoy, Senem Velipasalar