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JSAC
2011
100views more  JSAC 2011»
9 years 1 months ago
Scheduling for Optimal Rate Allocation in Ad Hoc Networks With Heterogeneous Delay Constraints
—This paper studies the problem of scheduling in single-hop wireless networks with real-time traffic, where every packet arrival has an associated deadline and a minimum fractio...
Juan José Jaramillo, R. Srikant, Lei Ying
JSAC
2011
83views more  JSAC 2011»
9 years 1 months ago
Trading Rate for Balanced Queue Lengths for Network Delay Minimization
—We consider a communication channel with two transmitters and one receiver, with an underlying rate region which is approximated as a general pentagon. Different from the Gaussi...
Jing Yang, Sennur Ulukus
JSAC
2011
123views more  JSAC 2011»
9 years 1 months ago
The Asymptotic Behavior of Minimum Buffer Size Requirements in Large P2P Streaming Networks
—The growth of real-time content streaming over the Internet has resulted in the use of peer-to-peer (P2P) approaches for scalable content delivery. In such P2P streaming systems...
Srinivas Shakkottai, R. Srikant, Lei Ying
JSAC
2011
136views more  JSAC 2011»
9 years 1 months ago
Spectrum Trading in Cognitive Radio Networks: A Contract-Theoretic Modeling Approach
—Cognitive radio is a promising paradigm to achieve efficient utilization of spectrum resource by allowing the unlicensed users (i.e., secondary users, SUs) to access the licens...
Lin Gao, Xinbing Wang, Youyun Xu, Qian Zhang
JSAC
2011
171views more  JSAC 2011»
9 years 1 months ago
QoS Provisioning for Heterogeneous Services in Cooperative Cognitive Radio Networks
—In this paper, we propose a spectrum allocation framework that jointly considers the Quality-of-Service (QoS) provisioning for heterogeneous secondary Real-Time (RT) and Non-Rea...
Ammar Alshamrani, Xuemin (Sherman) Shen, Liang-Lia...
JSAC
2011
144views more  JSAC 2011»
9 years 1 months ago
Time and Location-Critical Emergency Message Dissemination for Vehicular Ad-Hoc Networks
—One promise of Vehicular Ad-hoc Networks (VANET) is to considerably increase road safety and travel comfort by enabling inter-vehicle communications. Among a vast array of poten...
Yanyan Zhuang, Jianping Pan, Yuanqian Luo, Lin Cai
JSAC
2011
137views more  JSAC 2011»
9 years 1 months ago
A Region-Based Clustering Mechanism for Channel Access in Vehicular Ad Hoc Networks
—Several contention-based Medium Access Control (MAC) protocols have been proposed for the vehicles to gain the radio channels to distribute active safety messages timely, e.g., ...
Yen-Cheng Lai, Phone Lin, Wanjiun Liao, Chung-Min ...
JSAC
2011
127views more  JSAC 2011»
9 years 5 months ago
Opportunistic Multiple Access for Cognitive Radio Networks
—In this paper, opportunistic multiple access to the under-utilized channel resources is investigated. Exploiting source burstiness, secondary cognitive nodes utilizes primary no...
Amr A. El-Sherif, Ahmed K. Sadek, K. J. Ray Liu
JSAC
2011
134views more  JSAC 2011»
9 years 5 months ago
Simple Channel Sensing Order in Cognitive Radio Networks
— In cognitive radio networks (CRNs), effective and efficient channel exploitation is imperative for unlicensed secondary users to seize available network resources and improve ...
Ho Ting Cheng, Weihua Zhuang
JSAC
2011
219views more  JSAC 2011»
9 years 5 months ago
Detection of Small-Scale Primary Users in Cognitive Radio Networks
Abstract—In cognitive radio networks (CRNs), detecting smallscale primary devices, such as wireless microphones, is a challenging, but very important, problem that has not yet be...
Alexander W. Min, Xinyu Zhang, Kang G. Shin
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