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ICC
2007
IEEE
288views Communications» more  ICC 2007»
16 years 5 days ago
Joint Channel State Based Random Access and Adaptive Modulation in Wireless LAN with Multi-Packet Reception
—Conventional 802.11 medium access control (MAC) characteristics. In particular, all of these designs adopted a protocols have been designed separately from the characteristics s...
Wei Lan Huang, Khaled Ben Letaief, Ying Jun Zhang
INFOCOM
2002
IEEE
15 years 10 months ago
Downlink Power Allocation for Multi-class CDMA Wireless Networks
Abstract—In this paper we consider the downlink power allocation problem for multi-class CDMA wireless networks. We use a utility based power allocation framework to treat multi-...
Jangwon Lee, Ravi Mazumdar, Ness B. Shroff
CONTEXT
2007
Springer
16 years 14 hour ago
Multiuser Intelligent M-learning Environment
In this article we present the architecture of an m-learning (mobile-learning) environment using Bluetooth as communications technology. We also describe its practical implementati...
Angel Moreno, Melquiades Carbajo, Bonifacio Casta&...
ICMCS
2006
IEEE
134views Multimedia» more  ICMCS 2006»
15 years 12 months ago
Robust Video Transmission Over MIMO-OFDM System using MDC and Space Time Codes
MIMO-OFDM is a promising technique for the broadband wireless communication system. In this paper, we propose a novel scheme that integrates multiple description coding (MDC), err...
Haifeng Zheng, Congchong Ru, Lun Yu, Chang Chen
MOBIQUITOUS
2005
IEEE
15 years 11 months ago
An Assessment of the Audio Codec Performance in Voice over WLAN (VoWLAN) Systems
In this paper we present results of experimental investigation into the performance of three audio codecs (ITU-T G.711, G.723.1, and G.729A) under varying load conditions on a Voi...
Miroslaw Narbutt, Mark Davis