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Uplink closed loop power control for LTE system
Ansvarig organisation
2010 (Engelska)Konferensbidrag, Publicerat paper (Refereegranskat) Published
Abstract [en]

The role of uplink power control is to suppress interference. Power control refers to set output power levels of transmitters, base stations in the downlink and User Equipment (UE) in the uplink. In this paper the performance of 3GPP Long Term Evolution (LTE) closed loop power control combined with fractional path loss compensation factor is evaluated by simulating the effects of open loop error, Transmit Power Control (TPC) command delay and power headroom reporting. Simulation results show that the closed loop power control with fractional path loss compensation factor is advantageous compared to closed loop power control with full path loss compensation. The closed loop power control with fractional path loss compensation factor is found to improve the system performance in terms of mean bit rate by 63%.

Ort, förlag, år, upplaga, sidor
Islamabad: IEEE , 2010.
Nyckelord [en]
LTE, Power control, Power headroom report, TPC
Nationell ämneskategori
Signalbehandling
Identifikatorer
URN: urn:nbn:se:bth-7594DOI: 10.1109/ICET.2010.5638376Lokalt ID: oai:bth.se:forskinfo58186CB2C271D4D6C12578140036BB0DISBN: 978-142448058-6 (tryckt)OAI: oai:DiVA.org:bth-7594DiVA, id: diva2:835237
Konferens
6th International Conference on Emerging Technologies, ICET
Tillgänglig från: 2012-09-18 Skapad: 2011-01-10 Senast uppdaterad: 2015-06-30Bibliografiskt granskad

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