Traffic improvements in wireless communication networks using antenna arrays
A wireless network with beamforming capabilities at the receiver is considered that allows two or more transmitters to share the same channel to communicate with the base station. A novel approach is introduced, which combines the effects of the digital signal processing (adaptive beamforming) at th...
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| Veröffentlicht in: | IEEE journal on selected areas in communications 2000-03, Vol.18 (3), p.458-471 |
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| container_title | IEEE journal on selected areas in communications |
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| creator | Razavilar, J. Rashid-Farrokhi, F. Liu, K.J. Ray |
| description | A wireless network with beamforming capabilities at the receiver is considered that allows two or more transmitters to share the same channel to communicate with the base station. A novel approach is introduced, which combines the effects of the digital signal processing (adaptive beamforming) at the physical layer with the traffic policies at the network layer on the overall queuing model of a cell. The effect of signal processing on the queuing model of the cell is represented by a parameter in the final cell model. Each cell is modeled by a multiuser/multiserver service facility, where each server is a beamformed channel formed by the cell's base station. From this effective cell model, we find the closed form solutions for blocking probabilities of the calls and total carried traffic in a wireless network with adaptive arrays. Our analytical as well as numerical results show that adaptive beamforming at the receiver reduces the blocking probability of the calls and increases the total carried traffic in the system. |
| doi_str_mv | 10.1109/49.840204 |
| format | Article |
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Our analytical as well as numerical results show that adaptive beamforming at the receiver reduces the blocking probability of the calls and increases the total carried traffic in the system.</description><subject>Adaptive signal processing</subject><subject>Array signal processing</subject><subject>Base stations</subject><subject>Beamforming</subject><subject>Channels</subject><subject>Communications networks</subject><subject>Digital signal processing</subject><subject>Mathematical analysis</subject><subject>Mathematical models</subject><subject>Networks</subject><subject>Physical layer</subject><subject>Signal processing</subject><subject>Studies</subject><subject>Telecommunication traffic</subject><subject>Traffic</subject><subject>Traffic control</subject><subject>Traffic engineering</subject><subject>Traffic flow</subject><subject>Transmitters</subject><subject>Wireless communication</subject><subject>Wireless networks</subject><issn>0733-8716</issn><issn>1558-0008</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNp90D1PwzAQBmALgUQpDKxMEQOIIcVnO4k9ooovqRJLmS3HvSCXxCl2QtV_T6pUDAxMp9M9Ot29hFwCnQFQdS_UTArKqDgiE8gymVJK5TGZ0ILzVBaQn5KzGNeUghCSTchiGUxVOZu4ZhPab2zQdzFxPtm6gDXGmNi2aXrvrOlc6xOP3bYNnzHpo_MfifEdem8SE4LZxXNyUpk64sWhTsn70-Ny_pIu3p5f5w-L1PICujTD1QpKiooBU6bIlFKUMZMXuawk5yWVdmjKXHArBLNWZiANyFKUqmIIwKfkdtw7nPzVY-x046LFujYe2z5qBSLnXKi9vPlXMpnnkAEf4PUfuG774IcvtJQZ5ZApNqC7EdnQxhiw0pvgGhN2Gqjex6-F0mP8g70arUPEX3cY_gD-AH7F</recordid><startdate>20000301</startdate><enddate>20000301</enddate><creator>Razavilar, J.</creator><creator>Rashid-Farrokhi, F.</creator><creator>Liu, K.J. 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| ispartof | IEEE journal on selected areas in communications, 2000-03, Vol.18 (3), p.458-471 |
| issn | 0733-8716 1558-0008 |
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| source | IEEE Electronic Library (IEL) |
| subjects | Adaptive signal processing Array signal processing Base stations Beamforming Channels Communications networks Digital signal processing Mathematical analysis Mathematical models Networks Physical layer Signal processing Studies Telecommunication traffic Traffic Traffic control Traffic engineering Traffic flow Transmitters Wireless communication Wireless networks |
| title | Traffic improvements in wireless communication networks using antenna arrays |
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