A channel allocation method for multi-cell OFDMA-FDD networks

Author

Nguyen, Quoc Khuong ; Van Duc Nguyen ; Nguyen, Quoc Trung ; Ha, Duyen Trung

Author_Institution

Fac. of Electron. & Telecommun., Hanoi Univ. of Sci. & Technol., Hanoi, Vietnam

fYear

2010

Firstpage

232

Lastpage

236

Abstract

This paper proposes a novel channel allocation method for multi-cells OFDMA-FDD networks with a reused frequency factor (RFF) of one. The proposed algorithm predicts the co-channel interference (CCI) of active mobile stations (MSs) before allocating suitable subcarriers to a new MS. In order to maintain a desired quality of service (QoS) of the network, only subcarriers having signal-to-interference-plus-noise ratio (SINR) higher than a given threshold SINR_min are selected. The simulation results show that the number of sub-carriers which are assigned to MSs increases when decreasing the threshold SINR_min, or increasing the number of MSs.

Keywords

OFDM modulation; channel allocation; frequency division multiple access; frequency division multiplexing; interference (signal); mobile radio; quality of service; FDD networks; QoS; active mobile stations; channel allocation method; co-channel interference; multi cell OFDMA; quality of service; reused frequency factor; signal-to-interference-plus-noise ratio; Channel State Information (CSI); Channel allocation; Co-channel Interference (CCI); Orthogonal Frequency Division Multiple Access - Frequency Division Duplex (OFDMA-FDD);

fLanguage

English

Publisher

ieee

Conference_Titel

Communications and Electronics (ICCE), 2010 Third International Conference on

Conference_Location

Nha Trang

Print_ISBN

978-1-4244-7055-6

Type

conf

DOI

10.1109/ICCE.2010.5670716

Filename

5670716