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CNSR
2007
IEEE
128views Communications» more  CNSR 2007»
16 years 1 months ago
A Novel Approach for Frequent Phrase Mining in Web Search Engine Query Streams
In this paper, conceptual frequency rate, a new frequency definition suitable for query stream mining, is introduced. An online single-pass algorithm called OFSD (Online Frequent...
M. Barouni-Ebrahimi, Ali A. Ghorbani
GLOBECOM
2007
IEEE
16 years 1 months ago
A Novel MAC Protocol for Cooperative Downloading in Vehicular Networks
—In this paper, we propose a novel protocol called VC-MAC that utilizes the concept of cooperative communication tailored for vehicular networks, especially for gateway downloadi...
Jin Zhang, Qian Zhang, Weijia Jia
GLOBECOM
2007
IEEE
16 years 1 months ago
Opportunistic Access with Random Subchannel Backoff (OARSB) for OFDMA Uplink
Abstract— A distributed medium access control (MAC) algorithm for uplink OFDMA networks under the IEEE 802.16 framework is proposed and analyzed in this work. We present a simple...
Yu-Jung Chang, Feng-Tsun Chien, C. C. Jay Kuo
ICC
2007
IEEE
16 years 1 months ago
A New Cooperative Strategy for Deafness Prevention in Directional Ad Hoc Networks
— We propose the novel concept of cooperation for deafness prevention in directional antenna ad hoc networks, along with a low-complexity multiuser detector specialised for these...
Andrea Munari, Francesco Rossetto, Michele Zorzi
ICC
2007
IEEE
118views Communications» more  ICC 2007»
16 years 1 months ago
Iterative Soft-Input Soft-Output MMSE Equalization for Two-Dimensional Coherent Optical Memory
— As the capacity of the two-dimensional coherent optical memory (2D-COM) increases, the bit error rate (BER) performance of the system is degraded due to increased twodimensiona...
Mehmet Keskinöz