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TMC
2010
194views more  TMC 2010»
13 years 6 months ago
Power Control and Channel Allocation in Cognitive Radio Networks with Primary Users' Cooperation
—We consider a point-to-multipoint cognitive radio network that shares a set of channels with a primary network. Within the cognitive radio network, a base station controls and s...
Anh Tuan Hoang, Ying-Chang Liang, Md Habibul Islam
COMSWARE
2008
IEEE
14 years 2 months ago
Location management area (LMA)-based MBS handover in mobile WiMAX systems
Abstract—Mobile WiMAX aims to provide multimedia multicast/broadcast service (MBS) as well as elastic data service. However, supporting delay sensitive applications like video/au...
Ji Hoon Lee, Taekyoung Kwon, Yanghee Choi, Sangheo...
DIALM
2007
ACM
144views Algorithms» more  DIALM 2007»
13 years 11 months ago
Reliable Local Broadcast in a Wireless Network Prone to Byzantine Failures
Reliable broadcast can be a very useful primitive for many distributed applications, especially in the context of sensoractuator networks. Recently, the issue of reliable broadcas...
Vartika Bhandari, Nitin H. Vaidya
SAC
2010
ACM
14 years 2 months ago
Analysis of collision probability in unsaturated situation
A large number of the MAC protocols proposed for establishing wireless sensor networks are based on the 802.11 standard. The trade-off in these protocols is the control packet ov...
Qian Dong, Waltenegus Dargie
CN
2008
76views more  CN 2008»
13 years 7 months ago
Efficient path protection in bi-directional WDM systems
Bi-directional WDM transmission is a technique that allows data to be transmitted simultaneously in both directions of a fiber, with different sets of wavelength channels for each...
Ji Li, Kwan L. Yeung, Chun-Kit Chan