Title:
CDMA受信装置及びその装置のチャネル推定方法
Document Type and Number:
Japanese Patent JP3562502
Kind Code:
B2
Abstract:
A CDMA receiver performs a first channel estimation using pilot bits in first channel estimating portion of each finger, performs a synchronous detection on received bits other than the pilot bits in synchronous detector of each finger, performs rake synthesis on results of the synchronous detections in rake synthesizer, synthesizes transmission power control bits in TPC synthesizer, makes a hard decision on both a synthesized transmission power control bit and the bits other than both the pilot bits and the transmission power control bits in hard decision circuit, performs a second channel estimation using a result of the hard decision in second channel estimating portion of each finger, and averages a results of the first and second channel estimations in averaging circuit in each finger.
Inventors:
Nagami Nishimura
Application Number:
JP2001295604A
Publication Date:
September 08, 2004
Filing Date:
September 27, 2001
Export Citation:
Assignee:
NEC
International Classes:
H04B1/707; H04B1/712; H04B7/005; H04J13/00; H04W24/02; H04W76/02; (IPC1-7): H04B1/707; H04B7/005; H04Q7/38
Domestic Patent References:
| JP2000041010A | ||||
| JP10065575A | ||||
| JP10051424A |
Other References:
3GPP TS25.211 V3.6.0,3GPP,2001年 3月,5.2.1章,URL,http://www.3gpp.org/ftp/Specs/archive/25_series/25.211/25211-360.zip
雨澤 泰治 佐藤 慎一,cdma2000システムリバースリンクにおけるTPCビットを考慮した無線伝搬路推定法の検討,1999年電子情報通信学会総合大会講演論文集,1999年 3月 8日,B-5-162,P.513
雨澤 泰治 佐藤 慎一,cdma2000システムリバースリンクにおけるTPCビットを考慮した無線伝搬路推定法の検討,1999年電子情報通信学会総合大会講演論文集,1999年 3月 8日,B-5-162,P.513
Attorney, Agent or Firm:
▲柳▼川 信