Title:
CDMAシステムにおけるゲートパイロットの獲得
Document Type and Number:
Japanese Patent JP4950237
Kind Code:
B2
Abstract:
Systems and techniques are disclosed wherein a gated pilot signal can be acquired faster by checking the neighbor pilot signals of the target pilot signal. A subscriber station may frequency lock onto a wrong pilot burst because a partial correlation exists between the wrong pilot burst and an adjacent pilot burst. Comparing the strength of the target pilot signal with the strength of neighbor pilot signals enables the selection of the strongest pilot signal before the timely process of frequency locking and demodulation are initiated. Grouping pilot signals with the same symbol sequence and a pseudo-random noise increment apart enables quick acquisition of a gated pilot signal.
Inventors:
Abuhei A. Joshi
Sergey A. Grazco
Arthur James Newfeld
Sergey A. Grazco
Arthur James Newfeld
Application Number:
JP2009042387A
Publication Date:
June 13, 2012
Filing Date:
February 25, 2009
Export Citation:
Assignee:
QUALCOMM INCORPORATED
International Classes:
H04B1/7073; H04B1/7087; H04B1/7075; H04W48/16; H04W56/00
Domestic Patent References:
| JP11317691A | ||||
| JP11113042A | ||||
| JP9261763A | ||||
| JP2001078268A | ||||
| JP2000151463A |
Foreign References:
| WO1998036588A1 |
Attorney, Agent or Firm:
Kurata Masatoshi
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Kocho Chojiro
Naoki Kono
Katsu Sunagawa
Tetsuya Kazama
Katsumura Hiro
Shoji Kawai
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
Takenori Masanori
Takuzo Ichihara
Yamashita Gen
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Kocho Chojiro
Naoki Kono
Katsu Sunagawa
Tetsuya Kazama
Katsumura Hiro
Shoji Kawai
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
Takenori Masanori
Takuzo Ichihara
Yamashita Gen