Title:
タイミング捕捉・オフセット補正方法及び装置
Document Type and Number:
Japanese Patent JP4701572
Kind Code:
B2
Abstract:
A method and apparatus for acquiring slot timing and frequency offset correction of a local oscillator (56), provided for use in a direct sequence spread spectrum receiver. The received signals in such a system comprise a plurality of sequential slots of data. Some of these comprise synchronization data. At least two different correlations are performed at a receiver between the received data and a locally stored synchronization code. These are compared to determine which give the strongest correlation peak and the timing of this peak is then stored. The offset to be applied to a local oscillator (56) in the receiver is then estimated from this time and subsequently applied to the local oscillator (56).
Inventors:
Majid Balurian
Application Number:
JP2001287422A
Publication Date:
June 15, 2011
Filing Date:
September 20, 2001
Export Citation:
Assignee:
NEC
International Classes:
H04B1/7087; H04B1/707; H04B7/26; H04W56/00; H04L27/00
Domestic Patent References:
| JP6077932A | ||||
| JP9232995A | ||||
| JP8018548A | ||||
| JP10163923A | ||||
| JP2000022591A | ||||
| JP5063678A | ||||
| JP2002217788A |
Attorney, Agent or Firm:
Seisei Nishimura