A single antenna interference cancellation algorithm for increased gsm capacity

TitleA single antenna interference cancellation algorithm for increased gsm capacity
Publication TypeJournal Article
Year of Publication2006
AuthorsMeyer, R., W. H. Gerstacker, R. Schober, and J. B. Huber
JournalWireless Communications, IEEE Transactions on
Volume5
Pagination1616 -1621
Date Publishedjul.
ISSN1536-1276
Keywordsadjacent channel interference, cellular radio, cochannel interference, Global System for Mobile Communications, GSM capacity, interference suppression, mobile communications networks, mono interference cancellation, real-valued modulation formats, single antenna interference cancellation algorithm
Abstract

In mobile communications networks, system capacity is often limited by cochannel interference. Therefore, receiver algorithms for cancellation of cochannel interference have recently attracted much interest. At the mobile terminal, algorithms can usually rely only on one received signal delivered by a single receive antenna. In this letter, a low-complexity single antenna interference cancellation (SAIC) algorithm for real-valued modulation formats referred to as mono interference cancellation (MIC) is introduced which is well suited for practical applications. Field trials in commercial GSM networks using prototype terminals with the proposed MIC algorithm have demonstrated that the novel concept may yield capacity improvements of up to 80%. The underlying principle is also beneficial for adjacent channel interference and receivers with multiple antennas. Furthermore, in coverage-limited scenarios, there is no performance degradation compared with conventional receivers

URLhttp://dx.doi.org/10.1109/TWC.2006.1673070
DOI10.1109/TWC.2006.1673070

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