Sciweavers

512 search results - page 11 / 103
» Random Access Systems with a Time Varying Channel
Sort
View
ECRTS
2005
IEEE
14 years 4 months ago
A Robust Implicit Access Protocol for Real-Time Wireless Collaboration
Advances in wireless technology have brought us closer to extensive deployment of distributed real-time embedded systems connected through a wireless channel. The medium access co...
Tanya L. Crenshaw, Ajay Tirumala, Spencer Hoke, Ma...
TIT
1998
108views more  TIT 1998»
13 years 10 months ago
The Capacities of Frequency-Hopped Code-Division Multiple-Access Channels
Abstract— This correspondence investigates and compares the capacities of two types of frequency-hopped code-division multiple-access (FH-CDMA) communications systems; namely, mu...
Jin G. Goh, Svetislav V. Maric
ICC
2007
IEEE
111views Communications» more  ICC 2007»
14 years 5 months ago
Exact Multiple Access Analysis for Pulsed DS-UWB Systems with Episodic Transmission in Flat Nakagami Fading
— Exact bit error probabilities (BEP) are derived in closed form for pulsed binary direct sequence ultra-wideband (DS-UWB) multiple access systems in flat Nakagami fading channe...
Mohammad Azizur Rahman, Shigenobu Sasaki, Hisakazu...
CORR
2007
Springer
131views Education» more  CORR 2007»
13 years 10 months ago
Multi-Access MIMO Systems with Finite Rate Channel State Feedback
This paper characterizes the effect of finite rate channel state feedback on the sum rate of a multi-access multiple-input multiple-output (MIMO) system. We propose to control th...
Wei Dai, Brian Rider, Youjian Liu
ICC
2007
IEEE
14 years 5 months ago
Performance Analysis of a Distributed Wireless Access Scheme
— Distributed channel access is essential for a wireless network without a central controller. In our previous research, we have proposed a distributed channel access scheme to a...
Hai Jiang, Ping Wang, Weihua Zhuang