Sciweavers

CISS
2008
IEEE
13 years 10 months ago
Quickest spectrum sensing in cognitive radio
Abstract— Quickest detection is applied to frequency spectrum sensing in cognitive radio systems. Distribution change in frequency domain is detected for vacating secondary radio...
Husheng Li, Chengzhi Li, Huaiyu Dai
CISS
2008
IEEE
13 years 10 months ago
Random access over multiple access channels: A queuing perspective
—This paper investigates a slotted random access system where packet capture is modeled using communication theoretic techniques. It is shown that the optimum rates and attempt p...
Shreeshankar Bodas, Sriram Vishwanath, Vijay Subra...
CISS
2008
IEEE
13 years 10 months ago
Grassmannian beamforming for MIMO amplify-and-forward relaying
Abstract— In this paper, we consider the beamforming codebook design problem for the half-duplex MIMO amplify-andforward relay channel with Rayleigh fading. The analysis is divid...
Behrouz Khoshnevis, Wei Yu, Raviraj Adve
CISS
2008
IEEE
13 years 10 months ago
Bandwidth-sharing in overloaded networks
Regina Egorova, Sem C. Borst, Bert Zwart
CISS
2008
IEEE
13 years 10 months ago
Distributed detection in the presence of frequency offset and phase shift
— In this paper, we study the problem of distributed detection in the presence of unknown carrier frequency offset (CFO) and initial phase, the issue we encounter in the emerging...
Tao Wu, Qi Cheng
CISS
2008
IEEE
13 years 10 months ago
Resource and power costs in dynamic spectrum allocation
— We consider a network setting, where a single Service Provider (SP) provides wireless data services to a group of users in the downlink. The transmission model is similar to OF...
Joydeep Acharya, Roy D. Yates