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Performance Evaluation of FTDL-Spatial/MLSE-Temporal Equalizers in the Presence of Co-channel Interference--Link-Level Simulation Results Using Field Measurement Data--
Takefumi YAMADA Shigeru TOMISATO Tadashi MATSUMOTO Uwe TRAUTWEIN
IEICE TRANSACTIONS on Communications
Publication Date: 2001/07/01
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technology
broadband mobile communication, adaptive array antenna, adaptive equalizer, spatial and temporal equalizer, field measurement data,
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Providing results of a series of link-level simulations for a class of spatial and temporal equalizer (S/T-equalizer) is the primary objective of this letter, which is supplemental to this letter's companion article. The S/T-equalizers discussed in this letter have a configuration that can be expressed as the cascaded connection of adaptive array antenna and maximum likelihood sequence estimator (MLSE): each of the adaptive array antenna elements has a fractionally spaced tapped delay line (FTDL), and the MLSE has taps covering a portion of the channel delay profile. Both the desired and interference signals suffer from severe inter-symbol interference (ISI). A major difference of this article from its companion letter is that account is taken of the presence of co-channel interference (CCI). Bit error rate (BER) performance of the S/T-equalizer is presented as a result of the link-level simulations that use field measurement data.