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» Information Access in Africa: Problems with Every Channel
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PODC
2005
ACM
15 years 3 months ago
Quorum placement in networks to minimize access delays
A quorum system is a family of sets (themselves called quorums), each pair of which intersect. In many distributed algorithms, the basic unit accessed by a client is a quorum of n...
Anupam Gupta, Bruce M. Maggs, Florian Oprea, Micha...
CORR
2010
Springer
70views Education» more  CORR 2010»
14 years 9 months ago
Simultaneous communication in noisy channels
A sender wishes to broadcast a message of length n over an alphabet of size k to r users, where each user i, 1 i r should be able to receive one of possible mi messages. The cha...
Amit Weinstein
TWC
2008
99views more  TWC 2008»
14 years 9 months ago
Cross layer dynamic resource allocation with targeted throughput for WCDMA data
We consider resource allocation for elastic wireless applications that measure utility by target connection average throughput and achieved throughput. We construct a framework for...
Peifang Zhang, Scott Jordan
JSAC
2006
85views more  JSAC 2006»
14 years 9 months ago
Transmit selection diversity with maximal-ratio combining for multicarrier DS-CDMA wireless networks over Nakagami-m fading chan
Abstract--We propose the scheme to integrate transmit selection diversity/maximal-ratio combining (TSD/MRC) with multicarrier (MC) direct-sequence code-division multiple access (DS...
Jia Tang, Xi Zhang
SECON
2010
IEEE
14 years 7 months ago
Leveraging Cognitive Radios for Effective Communications over Water
Wireless communications over water may suffer from serious multipath fading due to strong specular reflections from conducting water surfaces. Cognitive radios enable dynamic spect...
Jian Tang, Li Zhang, Richard S. Wolff, Weiyi Zhang