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SIGCOMM
2010
ACM
14 years 10 months ago
Contrabass: concurrent transmissions without coordination
A PHY and MAC protocol for MIMO concurrent transmissions, called Contrabass, is presented. Concurrent transmissions, also referred to as multi-user MIMO, are simultaneous transmis...
Sungro Yoon
TCOM
2010
147views more  TCOM 2010»
14 years 4 months ago
On a Ratio of Functions of Exponential Random Variables and Some Applications
Consider independent and identically distributed exponential random variables (r.vs) 1, 2, . . . , and positive scalars 1, 2, . . . , . In this letter, we present the probability...
Ramesh Annavajjala, Ananthanarayanan Chockalingam,...
ICC
2009
IEEE
210views Communications» more  ICC 2009»
15 years 4 months ago
Multi-User Joint Subchannel and Power Resource-Allocation for Powerline Relay Networks
Abstract—This paper investigates Orthogonal FrequencyDivision Multiple-Access (OFDMA) resource-allocation schemes for two-hop relays in a home Powerline Communication (PLC) netwo...
Hao Zou, Aakanksha Chowdhery, Sumanth Jagannathan,...
VTC
2006
IEEE
15 years 3 months ago
Scheduling in Cellular CDMA-TDD Networks
Abstract— In this paper different scheduling algorithms applied to cellular CDMA (code division multiple access) systems with different duplexing modes are studied. In particular...
Ellina Foutekova, Patrick Agyapong, Birendra Ghimi...
VTC
2008
IEEE
139views Communications» more  VTC 2008»
15 years 4 months ago
Downlink Steered Space-Time Spreading For Multi-Carrier Transmission Over Frequency Selective Channels
— This paper presents a novel amalgam of Steered Space-Time Spreading (SSTS) and Orthogonal Frequency Division Multiple Access (OFDMA) designed for attaining both spatial diversi...
Nazar Sahal, Mohammed El-Hajjar, Lajos Hanzo