A Study of UE-to-UE Interference between TDD Systems

We study how UE-to-UE interference impacts the performance, considering transmitter out-of-band (OOB) emissions and receiver blocking characteristics for homogenous 20 MHz LTE systems. For co-existing TDD systems on different carrier frequencies within the same band, UE-to-UE interference may occur...

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Bibliographic Details
Published in2012 IEEE 75th Vehicular Technology Conference (VTC Spring) pp. 1 - 5
Main Authors Rahman, M. I., Dahlman, E., Astely, D., Wallen, A., Wilhelmsson, L. R.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.05.2012
Subjects
Bandwidth
Interference
Noise
Receivers
Resource management
Throughput
Transmitters
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Summary:We study how UE-to-UE interference impacts the performance, considering transmitter out-of-band (OOB) emissions and receiver blocking characteristics for homogenous 20 MHz LTE systems. For co-existing TDD systems on different carrier frequencies within the same band, UE-to-UE interference may occur in certain situations. The impact of such interference is evaluated for a hotspot scenario and compared to a uniform user distribution scenario, and is found to be significantly worse. When the number of scheduled users in the aggressor cell is high (e.g. >; 2), then receiver blocking impact, rather than the OOB emission, dominates the interference performance in hotspot scenario. Consequently, guard bands cannot be used to mitigate the receiver blocking impacts.
ISBN:9781467309899
1467309893
ISSN:1550-2252
DOI:10.1109/VETECS.2012.6240232