High capacity and wide coverage cell station for PHS

Kiyoshi Kobayashi; Tomoaki Kumagai; Shuji Kubota; Shigeaki Ogose

doi:10.1109/ICUPC.1998.732802

High capacity and wide coverage cell station for PHS

Kiyoshi Kobayashi, Tomoaki Kumagai, Shuji Kubota, Shigeaki Ogose

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

A high-capacity and wide coverage cell station (CS) for PHS has been developed. The developed CS employs a modified coherent demodulator with 4-branch MRC diversity and a burst-by-burst AFC to enhance the coverage. The proposed burst-by-burst AFC, which eliminates frequency errors of slotted random access signals, flattens the BER performance of the uplink control channels regardless of the carrier frequency errors. The proposed coherent demodulator achieves BER of 10^-2 at received signal strength=2 dBμV in the uplink traffic channels. The developed CS also employs an antenna-sharing diversity transmission to incorporate three transmitters in a small unit with a high power efficiency. The developed CS can be applied not only for personal communication services but also wireless local loop services.

Original language	English
Title of host publication	ICUPC 1998 - IEEE 1998 International Conference on Universal Personal Communications, Conference Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	33-37
Number of pages	5
Volume	1
ISBN (Print)	0780351061, 9780780351066
DOIs	https://doi.org/10.1109/ICUPC.1998.732802
Publication status	Published - 1998
Externally published	Yes
Event	IEEE International Conference on Universal Personal Communications, ICUPC 1998 - Florence, Italy Duration: 1998 Oct 5 → 1998 Oct 9

Other

Other	IEEE International Conference on Universal Personal Communications, ICUPC 1998
Country	Italy
City	Florence
Period	98/10/5 → 98/10/9

Keywords

Antennas and propagation
Automatic frequency control
Bit error rate
Cascading style sheets
Clocks
Diversity methods
Downlink
Research and development
Transmitting antennas
Urban areas

ASJC Scopus subject areas

Computer Networks and Communications

Access to Document

10.1109/ICUPC.1998.732802

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Cite this

Kobayashi, K., Kumagai, T., Kubota, S., & Ogose, S. (1998). High capacity and wide coverage cell station for PHS. In ICUPC 1998 - IEEE 1998 International Conference on Universal Personal Communications, Conference Proceedings (Vol. 1, pp. 33-37). [732802] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICUPC.1998.732802

High capacity and wide coverage cell station for PHS. / Kobayashi, Kiyoshi; Kumagai, Tomoaki; Kubota, Shuji; Ogose, Shigeaki.

ICUPC 1998 - IEEE 1998 International Conference on Universal Personal Communications, Conference Proceedings. Vol. 1 Institute of Electrical and Electronics Engineers Inc., 1998. p. 33-37 732802.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kobayashi, K, Kumagai, T, Kubota, S & Ogose, S 1998, High capacity and wide coverage cell station for PHS. in ICUPC 1998 - IEEE 1998 International Conference on Universal Personal Communications, Conference Proceedings. vol. 1, 732802, Institute of Electrical and Electronics Engineers Inc., pp. 33-37, IEEE International Conference on Universal Personal Communications, ICUPC 1998, Florence, Italy, 98/10/5. https://doi.org/10.1109/ICUPC.1998.732802

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abstract = "A high-capacity and wide coverage cell station (CS) for PHS has been developed. The developed CS employs a modified coherent demodulator with 4-branch MRC diversity and a burst-by-burst AFC to enhance the coverage. The proposed burst-by-burst AFC, which eliminates frequency errors of slotted random access signals, flattens the BER performance of the uplink control channels regardless of the carrier frequency errors. The proposed coherent demodulator achieves BER of 10-2 at received signal strength=2 dBμV in the uplink traffic channels. The developed CS also employs an antenna-sharing diversity transmission to incorporate three transmitters in a small unit with a high power efficiency. The developed CS can be applied not only for personal communication services but also wireless local loop services.",

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