Sciweavers

535 search results - page 94 / 107
» Fractional power control for decentralized wireless networks
Sort
View
ICC
2007
IEEE
160views Communications» more  ICC 2007»
15 years 4 months ago
Maximizing Throughput of Cognitive Radio Networks with Limited 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 (BS) controls...
Anh Tuan Hoang, Ying-Chang Liang, Habibul Islam
TMC
2008
146views more  TMC 2008»
14 years 9 months ago
General Network Lifetime and Cost Models for Evaluating Sensor Network Deployment Strategies
In multihop wireless sensor networks that are often characterized by many-to-one (convergecast) traffic patterns, problems related to energy imbalance among sensors often appear. S...
Zhao Cheng, Mark A. Perillo, Wendi B. Heinzelman
IPSN
2010
Springer
14 years 11 months ago
Adaptive IEEE 802.15.4 protocol for energy efficient, reliable and timely communications
The IEEE 802.15.4 standard for wireless sensor networks can support energy efficient, reliable, and timely packet transmission by tuning the medium access control parameters macMi...
Pan Gun Park, Carlo Fischione, Karl Henrik Johanss...
JSAC
2011
215views more  JSAC 2011»
14 years 4 months ago
Opportunistic Spectrum Sharing Schemes for CDMA-Based Uplink MAC in Cognitive Radio Networks
—We consider a wireless cognitive radio network in which a set of secondary users (SUs) opportunistically utilize the wireless spectrum licensed to the primary users (PUs) to tra...
Xi Zhang, Hang Su
JCM
2006
92views more  JCM 2006»
14 years 9 months ago
Ultimate Dynamic Spectrum Allocation via User-Central Wireless Systems
- Current wireless systems are called vendor-central systems because, users should subscribe to a service provider (vendor) and receive the service through the spectrum assigned to...
Seyed Alireza Zekavat, Xiukui Li