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SIPS
2006
IEEE
14 years 1 months ago
A Robust Band-Tracking Packet Detector (BT-PD) in OFDM-Based Ultra-Wideband Systems
Multiband orthogonal frequency-division multiplexing (MB-OFDM) systems employ frequencyhopping technology to achieve the capabilities of multiple access and frequency diversity. H...
Jyh-Ting Lai, Chun-Yuan Chu, An-Yeu Wu, Wen-Chiang...
CORR
2010
Springer
119views Education» more  CORR 2010»
13 years 7 months ago
Ergodic Secret Alignment
In this paper, we provide a new achievable ergodic secrecy rate region for the multiple access wiretap channel in fading. Our achievable scheme is based on repeating each symbol at...
Raef Bassily, Sennur Ulukus
IJNSEC
2008
164views more  IJNSEC 2008»
13 years 7 months ago
Secure Real-Time Streaming Protocol (RTSP) for Hierarchical Proxy Caching
Proxies are commonly used to cache objects, especially multimedia objects, so that clients can enjoy better quality-of-service (QoS) guarantees such as smaller startup latency and...
Yeung Siu Fung, John C. S. Lui, David K. Y. Yau
JCST
2008
140views more  JCST 2008»
13 years 7 months ago
ROPAS: Cross-Layer Cognitive Architecture for Mobile UWB Networks
The allocation of bandwidth to unlicensed users, without significantly increasing the interference on the existing licensed users, is a challenge for Ultra Wideband (UWB) networks....
Chittabrata Ghosh, Bin Xie, Dharma P. Agrawal
TWC
2010
13 years 2 months ago
Stability analysis for cognitive radio with multi-access primary transmission
Abstract--This letter analyzes the impact, from a networklayer perspective, of having a single cognitive radio transmitterreceiver pair share the spectrum with multiple primary use...
Ioannis Krikidis, Natasha Devroye, John S. Thompso...