Filtering strategies for TFC selection schemes in 3GPP W-CDMA systems

Sheng-Tzong Cheng, Chun Yen Wang, Ing Ray Chen

Research output: Contribution to journalArticle

Abstract

The selection of a suitable transport format combination (TFC) according to the system load condition is one important issue of the radio resource management (RRM) in 3GPP W-CDMA systems. Different TFCs specify different ways of transmitting user data input from logical channels. It is observed that data transmission with a higher data rate will suffer a higher bit error rate (BER). This paper investigates the impact of BER on the selection of optimal TFC for transmitting the user data. Two filtering strategies are proposed to filter out infeasible TFCs so that the optimal TFC can be selected to achieve high performance. Moreover, an imbedded Markov chain is developed to evaluate the proposed strategies. From the simulation results, the feasibility and the effectiveness of the proposed strategies are demonstrated as well. We are suggesting that, for the design of an optimal TFC selection algorithm, the proposed TFC filtering strategy shall be taken into consideration.

Original languageEnglish
Pages (from-to)1023-1032
Number of pages10
JournalIEEE Transactions on Wireless Communications
Volume5
Issue number5
DOIs
Publication statusPublished - 2006 May 1

Fingerprint

WCDMA
Bit error rate
Code division multiple access
Optimal Transport
Filtering
Markov processes
Data communication systems
Error Rate
Radio Resource Management
Data Transmission
Markov chain
High Performance
Strategy
Filter
Evaluate
Simulation

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

Cite this

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abstract = "The selection of a suitable transport format combination (TFC) according to the system load condition is one important issue of the radio resource management (RRM) in 3GPP W-CDMA systems. Different TFCs specify different ways of transmitting user data input from logical channels. It is observed that data transmission with a higher data rate will suffer a higher bit error rate (BER). This paper investigates the impact of BER on the selection of optimal TFC for transmitting the user data. Two filtering strategies are proposed to filter out infeasible TFCs so that the optimal TFC can be selected to achieve high performance. Moreover, an imbedded Markov chain is developed to evaluate the proposed strategies. From the simulation results, the feasibility and the effectiveness of the proposed strategies are demonstrated as well. We are suggesting that, for the design of an optimal TFC selection algorithm, the proposed TFC filtering strategy shall be taken into consideration.",
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Filtering strategies for TFC selection schemes in 3GPP W-CDMA systems. / Cheng, Sheng-Tzong; Wang, Chun Yen; Chen, Ing Ray.

In: IEEE Transactions on Wireless Communications, Vol. 5, No. 5, 01.05.2006, p. 1023-1032.

Research output: Contribution to journalArticle

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