Evaluation of interference between uplink and downlink in UTRA/TDD

An ideal TDD system offers high capacity, dynamic asymmetry between uplink and downlink and no coordination requirements between operators and base stations. This paper studies the performance of UTRA/TDD and how close to the ideal TDD system UTRA/TDD could be. Since both uplink and downlink share t...

Full description

Saved in:
Bibliographic Details
Published inGateway to 21st Century Communications Village. VTC 1999-Fall. IEEE VTS 50th Vehicular Technology Conference (Cat. No.99CH36324) Vol. 5; pp. 2616 - 2620 vol.5
Main Authors Holma, H., Povey, G.J.R., Toskala, A.
Format Conference Proceeding
LanguageEnglish
Published IEEE 1999
Subjects
3G mobile communication
Base stations
Channel allocation
Downlink
Frequency synchronization
Interference
Multiaccess communication
Physical layer
Protocols
Telecommunication standards
Online AccessGet full text

Cover

More Information
Summary:An ideal TDD system offers high capacity, dynamic asymmetry between uplink and downlink and no coordination requirements between operators and base stations. This paper studies the performance of UTRA/TDD and how close to the ideal TDD system UTRA/TDD could be. Since both uplink and downlink share the same frequency in TDD, those two transmission directions can interfere with each other. This interference can occur between two mobile stations or between two base stations within one carrier or between two operators. This interference scenario is evaluated here. The results show that for UTRA/TDD operation dynamic channel allocation, synchronization of base stations and cooperation between the operators is preferred to obtain the maximum performance. The most difficult interference situations occur between base stations within one operator's band and between two operators if they are not synchronized.
ISBN:9780780354357
0780354354
ISSN:1090-3038
2577-2465
DOI:10.1109/VETECF.1999.800260