Zobrazeno 1 - 10
of 25
pro vyhledávání: '"S. Plevel"'
Publikováno v:
2006 International Workshop on Satellite and Space Communications.
High Altitude Platform (HAP) system offers establishment of communication links with predominantly line-of-sight (LOS) conditions due to high elevation angles. However, in mobile scenario, the transmitted signal is still subject to blocking due to ob
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1016439ab5edf6a729c7e93cca72539f
https://doi.org/10.1109/iwssc.2006.256004
https://doi.org/10.1109/iwssc.2006.256004
Publikováno v:
2006 IEEE Sarnoff Symposium.
In this paper we analyze the effects of nonlinear high power (HPA) amplifier on the area covered by WiMAX signal and nonlinearity impact on the capacity of the WiMAX system assuming the uniform spatial distribution of users. The link degradation due
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::36bbd1a3de1f7738669dde9f4dfbad77
https://doi.org/10.1109/sarnof.2006.4534763
https://doi.org/10.1109/sarnof.2006.4534763
Publikováno v:
Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521).
An algorithm to adjust the coding/modulation (CM) scheme in a multiple-input multiple-output (MIMO) wireless communication system is proposed and analysed. The CM scheme selected for each transmitter is determined by a recursive procedure at the rece
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5c582216f475ff5eaf7d8e6041b5c2b8
https://doi.org/10.1109/melcon.2004.1346956
https://doi.org/10.1109/melcon.2004.1346956
Publikováno v:
PIMRC
A channel mapping strategies and their impact on bit error rate (BER) and on system capacity for multiple-input multiple-output MIMO systems in a quasistatic flat fading channel is analysed. MIMO orthogonal subchannels are split into reliable subchan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa6515be8c934ba3a36236895e4a6278
https://doi.org/10.1109/pimrc.2003.1259289
https://doi.org/10.1109/pimrc.2003.1259289
Publikováno v:
Proceedings EC-VIP-MC 2003. 4th EURASIP Conference focused on Video/Image Processing and Multimedia Communications (IEEE Cat. No.03EX667).
The adaptive data mapping of wavelet compressed images in multiple input multiple output (MIMO) wireless communication systems is proposed and analyzed. Image compression methods based on wavelet transform allow image decomposition in blocks, represe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::449ec92b70ddca6c1341592f8bcf885e
https://doi.org/10.1109/vipmc.2003.1220492
https://doi.org/10.1109/vipmc.2003.1220492
Publikováno v:
The IEEE Region 8 EUROCON 2003. Computer as a Tool..
High power amplifier impact on the signal power spectrum spreading into neighbouring frequency bands and degradation of the BER system performance due to nonlinear high power amplifier distortions are analysed for 4-QAM and 16-QAM signals in MIMO com
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7b402d7da1764138e6678c39dfb08bd
https://doi.org/10.1109/eurcon.2003.1248006
https://doi.org/10.1109/eurcon.2003.1248006
Publikováno v:
International Symposium on VIPromCom Video/Image Processing and Multimedia Communications.
The system described is based on the wavelet video compression/decompression method, implemented on a single board and tailored for real-time work. Different bit-rates are supported in the full-duplex mode and in the range from 8-50 Mbit/s. The speci
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::34fdf83db32f30d1b67fa98c26e6f4a3
https://doi.org/10.1109/viprom.2002.1026636
https://doi.org/10.1109/viprom.2002.1026636
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