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On the Outage Probability in Local/Regional Single Frequency Broadcasting Networks
KTH, Superseded Departments, Signals, Sensors and Systems.
1995 (English)In: Wireless personal communications, ISSN 0929-6212, E-ISSN 1572-834X, Vol. 2, no 4, 307-319 p.Article in journal (Refereed) Published
Abstract [en]

A receiver in an ODFM based broadcasting system allows all transmitters in a radio network to simultaneously broadcast the same information in the same frequency block. This procedure generates an artificial multipath environment at the receiver. Since the receiver is designed to overcome these problems, such a Single Frequency Network (SFN) provides good coverage and frequency economy in national applications. However, the efficiency in local SFN has been questioned. The network planning of local SFNs is a mixture of conventional frequency reuse planning and planning to avoid excessive propagation delays caused by the artificial delay spread. In this paper we propose some rules of thumb to be considered in the design of local SFNs. The coverage properties in SFNs are strongly dependent on the transmitter density which determines the degree of diversity of receiving signals from several transmitters. Results indicate that required coverage can be attained in local networks using three OFDM frequency blocks, provided that seven transmitters are used to cover each regional service area. The results also indicate that the duration of the guard interval between two consecutive OFDM signals has to be chosen with some care dependent on the size of the service area. Furthermore, we show that there exists an optimal antenna height for a given coverage area and guard interval.

Place, publisher, year, edition, pages
Kluver Academic Publishing , 1995. Vol. 2, no 4, 307-319 p.
Keyword [en]
Broadcasting, network planning, single frequency networks
National Category
Computer and Information Science
Research subject
URN: urn:nbn:se:kth:diva-28625DOI: 10.1007/BF01099338OAI: diva2:388790
QC 20110120Available from: 2011-01-18 Created: 2011-01-18 Last updated: 2011-01-20Bibliographically approved

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