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ICT
2004
Springer
130views Communications» more  ICT 2004»
14 years 1 months ago
Rayleigh Fading Multiple Access Channel Without Channel State Information
— In this paper we determine bounds of the capacity region of a two-user multipleaccess channel with Rayleigh fading when neither the transmitters nor the receiver has channel st...
Ninoslav Marina
ISCIS
2003
Springer
14 years 1 months ago
POCS-Based Enhancement of De-interlaced Video
Abstract. To convert an interlaced video into a progressive one effectively, de-interlacing techniques have been developed. However, existing de-interlacing techniques can not per...
Kang-Sun Choi, Jun-Ki Cho, Min-Cheol Hwang, Sung-J...
IDEAS
2000
IEEE
96views Database» more  IDEAS 2000»
14 years 10 days ago
A Cost Function for Uniformly Partitioned UB-Trees
Most operations of the relational algebra or SQL - like projection with duplicate elimination, join, ordering, group by and aggregations - are efficiently processed using a sorted...
Volker Markl, Rudolf Bayer
CISS
2007
IEEE
13 years 12 months ago
How Many Users should be Turned On in a Multi-Antenna Broadcast Channel
This paper considers broadcast channels with L antennas at the base station and m single-antenna users, where each user has perfect channel knowledge and the base station obtains c...
Wei Dai, Youjian Liu, Brian Rider
GLOBECOM
2007
IEEE
13 years 11 months ago
Spectral Efficiency of Cognitive Radio Systems
In this contribution1 , we investigate the idea of using cognitive radio to reuse locally unused spectrum to increase the total system capacity. We consider a multiband/wideband sy...
Majed Haddad, Aawatif Menouni Hayar, Méroua...