Performance of Uplink Carrier Aggregation in LTE-Advanced Systems

Hua Wang, Claudio Rosa, Klaus Pedersen

Research output: Contribution to journalConference article in JournalResearchpeer-review

21 Citations (Scopus)
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Abstract

Carrier aggregation (CA) has been proposed to aggregate two or more component carriers (CCs) to support a much wider transmission bandwidth for LTE-Advanced systems. With carrier aggregation, it is possible to schedule a user equipment (UE) on multiple component carriers simultaneously. In this paper, we evaluate the performance of uplink CA in LTE-Advanced systems with different CC allocation schemes. We first present the radio resource management (RRM) framework of multi-component carrier LTE-Advanced systems, with special attention on CC selection, adaptive transmission bandwidth, and uplink power control. Simulation results show that with CA and advanced CC selection algorithm, the cell edge user throughput of LTE-Advanced UEs maintains the same as Rel'8 UEs, but substantial performance gains can be achieved in terms of average and cell center user throughput, especially in low load traffic conditions.
Original languageEnglish
JournalI E E E V T S Vehicular Technology Conference. Proceedings
Volume2010
Number of pages5
ISSN1550-2252
DOIs
Publication statusPublished - Sep 2010

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LTE-advanced
Uplink
Aggregation
Agglomeration
Throughput
Bandwidth
Radio Resource Management
Power control
Cell
Power Control
Schedule
Traffic
Evaluate
Simulation

Cite this

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title = "Performance of Uplink Carrier Aggregation in LTE-Advanced Systems",
abstract = "Carrier aggregation (CA) has been proposed to aggregate two or more component carriers (CCs) to support a much wider transmission bandwidth for LTE-Advanced systems. With carrier aggregation, it is possible to schedule a user equipment (UE) on multiple component carriers simultaneously. In this paper, we evaluate the performance of uplink CA in LTE-Advanced systems with different CC allocation schemes. We first present the radio resource management (RRM) framework of multi-component carrier LTE-Advanced systems, with special attention on CC selection, adaptive transmission bandwidth, and uplink power control. Simulation results show that with CA and advanced CC selection algorithm, the cell edge user throughput of LTE-Advanced UEs maintains the same as Rel'8 UEs, but substantial performance gains can be achieved in terms of average and cell center user throughput, especially in low load traffic conditions.",
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Performance of Uplink Carrier Aggregation in LTE-Advanced Systems. / Wang, Hua; Rosa, Claudio; Pedersen, Klaus.

In: I E E E V T S Vehicular Technology Conference. Proceedings, Vol. 2010, 09.2010.

Research output: Contribution to journalConference article in JournalResearchpeer-review

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AB - Carrier aggregation (CA) has been proposed to aggregate two or more component carriers (CCs) to support a much wider transmission bandwidth for LTE-Advanced systems. With carrier aggregation, it is possible to schedule a user equipment (UE) on multiple component carriers simultaneously. In this paper, we evaluate the performance of uplink CA in LTE-Advanced systems with different CC allocation schemes. We first present the radio resource management (RRM) framework of multi-component carrier LTE-Advanced systems, with special attention on CC selection, adaptive transmission bandwidth, and uplink power control. Simulation results show that with CA and advanced CC selection algorithm, the cell edge user throughput of LTE-Advanced UEs maintains the same as Rel'8 UEs, but substantial performance gains can be achieved in terms of average and cell center user throughput, especially in low load traffic conditions.

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