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JSAC
2008
90views more  JSAC 2008»
13 years 7 months ago
Limited feedback schemes for downlink OFDMA based on sub-channel groups
Abstract--In a downlink Orthogonal Frequency Division Multiple Access (OFDMA) system, optimally allocating sub-channels across mobile users can require excessive feedback of channe...
Jieying Chen, Randall A. Berry, Michael L. Honig
TSP
2008
111views more  TSP 2008»
13 years 7 months ago
Coding Schemes for User Cooperation in Low-Power Regimes
We consider the design of cooperation coding schemes for a two-user multi-access channel (MAC). In particular, we consider two block Markov coding schemes, namely, the multiplexed...
Guosen Yue, Xiaodong Wang, Zigui Yang, Anders H&os...
SCN
2011
Springer
348views Communications» more  SCN 2011»
13 years 2 months ago
MANET QoS support without reservations
An inelastic flow is a flow with inelastic rate: i.e., the rate is fixed, it cannot be dynamically adjusted to traffic and load condition as in elastic flows like TCP. Real ti...
Soon-Young Oh, Gustavo Marfia, Mario Gerla
MOBICOM
2012
ACM
11 years 10 months ago
Argos: practical many-antenna base stations
Multi-user multiple-input multiple-output theory predicts manyfold capacity gains by leveraging many antennas on wireless base stations to serve multiple clients simultaneously th...
Clayton Shepard, Hang Yu, Narendra Anand, Erran Li...
MOBISYS
2008
ACM
14 years 7 months ago
Symphony: synchronous two-phase rate and power control in 802.11 wlans
Adaptive transmit power control in 802.11 Wireless LANs (WLANs) on a per-link basis helps increase network capacity and improves battery life of Wifi-enabled mobile devices. Howev...
Kishore Ramachandran, Ravi Kokku, Honghai Zhang, M...