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Quality of service of broadband fixed wireless access QPSK channels interfered by adjacent terrestrial links

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dc.contributor.author Panagopoulos, AD en
dc.contributor.author Skouloudakis, PV en
dc.contributor.author Cottis, PG en
dc.date.accessioned 2014-03-01T01:24:55Z
dc.date.available 2014-03-01T01:24:55Z
dc.date.issued 2006 en
dc.identifier.issn 0018-926X en
dc.identifier.uri http://hdl.handle.net/123456789/17509
dc.subject bit-error probability (BEP) en
dc.subject broadband fixed wireless access (BFWA) en
dc.subject cochannel interference en
dc.subject QPSK en
dc.subject rain attenuation en
dc.subject spatial inhomogeneity en
dc.subject.classification Engineering, Electrical & Electronic en
dc.subject.classification Telecommunications en
dc.subject.other LMDS NETWORKS en
dc.subject.other RAIN ATTENUATION en
dc.subject.other PATHS en
dc.title Quality of service of broadband fixed wireless access QPSK channels interfered by adjacent terrestrial links en
heal.type journalArticle en
heal.identifier.primary 10.1109/TAP.2006.883958 en
heal.identifier.secondary http://dx.doi.org/10.1109/TAP.2006.883958 en
heal.language English en
heal.publicationDate 2006 en
heal.abstract A physical model is presented concerning the quality of service (QoS) statistics of broadband fixed wireless access (BFWA) QPSK channels interfered by adjacent terrestrial links operating at the same frequency. The QoS is quantified in terms of the bit-error probability (BEP) of the link. BFWA networks of current interest are mainly operated above 10 GHz assuming line-of-sight (LoS) connection between the base station and the subscriber terminal. In these network configurations, rain attenuation is the dominant fading mechanism and its statistical behavior severely aggravates the nominal interference environment due to the spatial inhomogeneity of rain. The BEP of a coherent QPSK demodulator in the presence of Gaussian noise, cochannel interference and rain attenuation is determined and is related to the relevant performance masks recommended by ITU-R. Numerical results of the proposed model examine how the frequency of operation, the clear-sky interference levels, the length of the interfering path and the climatic conditions affect the QoS of BFWA channels. The spectral and spatial coexistence of BFWA networks and point-to-point links is investigated. en
heal.publisher IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC en
heal.journalName IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION en
dc.identifier.doi 10.1109/TAP.2006.883958 en
dc.identifier.isi ISI:000241965800029 en
dc.identifier.volume 54 en
dc.identifier.issue 11 en
dc.identifier.spage 3317 en
dc.identifier.epage 3326 en


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