Title: | Random access protocol and its impacts on air interface in cellular networks |
Author(s): | Sarker, Muhammad Jahangir Hossain |
Date: | 2005-05-18 |
Language: | en |
Pages: | 75, [app] |
Department: | Department of Electrical and Communications Engineering Sähkö- ja tietoliikennetekniikan osasto |
ISBN: | 951-22-7620-8 |
Series: | Technical report / Helsinki University of Technology, Communications Laboratory. T, Raportti / Teknillinen korkeakoulu, Tietoliikennelaboratorio. T, 52 |
ISSN: | 0356-5087 |
Subject: | Electrical engineering |
Keywords: | air interface, GPRS, GSM, number of retransmissions, power levels, random access, Slotted ALOHA, traffic channel |
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Abstract:Cellular technology has already evolved through its first and second generations. Currently it is on the verge of the third generation, characterized by the addition of different types of data transmission techniques. In the near future, optimization of radio resource allocation with different kinds of traffic sources having different quality of services will be one of the main challenging problems. This thesis intends to find few solutions to optimize the air interface of current cellular systems with both kinds of traffic, current voice and low speed data traffic and future different types of data traffics.
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Parts:Jahangir H. Sarker and Seppo J. Halme. 2001. Slowly decreasing throughput algorithms for random access channel. Proceedings of the 17th International Teletraffic Congress (ITC-17). Salvador da Bahia, Brazil, December 2-7, 2001, pp. 335-346. [article1.pdf] © 2001 Elsevier Science. By permission.Jahangir H. Sarker and Seppo J. Halme. 2003. Auto-controlled algorithm for slotted ALOHA. IEE Proceedings - Communications, Volume 150, Issue 1, pp. 53-58. [article2.pdf] © 2003 IEE. By permission.Jahangir H. Sarker and Seppo J. Halme. 2000. An optimum retransmission cut-off scheme for slotted ALOHA. Wireless Personal Communications, Volume 13, Nos. 1-2, pp. 185-202.Jahangir H. Sarker, Seppo J. Halme and Mika Rinne. 2000. Performance analysis of GSM traffic channel capacity with(out) high speed circuit switched data. Proceedings of the IEEE Semiannual Vehicular Technology Conference (VTC 2000 Fall). Boston, USA, September 24-28, 2000, pp. 1603-1609. [article4.pdf] © 2000 IEEE. By permission.Jahangir H. Sarker and Seppo J. Halme. 2002. Efficiency of the GSM-GPRS air interface for real-time IP traffic flows with and without packet dropping. Wireless Personal Communications, Volume 21, No. 1, pp. 125-140.Jahangir H. Sarker and Seppo J. Halme. 2002. Optimizing the use of random access channels in GSM-GPRS. Wireless Personal Communications, Volume 22, No. 3, pp. 387-408.Jahangir H. Sarker and Seppo J. Halme. 2002. Single channel occupied voice and multi-channel occupied HSCSD over GSM. Computer Communications, Volume 25, Issue 5, pp. 522-533. [article7.pdf] © 2002 Elsevier Science. By permission. |
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