The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 07, 2013
Filed:
Feb. 26, 2010
Gengshi Wu, Shenzhen, CN;
Feng LI, Shenzhen, CN;
Nian Peng, Shenzhen, CN;
Shufan Huang, Shenzhen, CN;
Jing Yang, Shenzhen, CN;
Gengshi Wu, Shenzhen, CN;
Feng Li, Shenzhen, CN;
Nian Peng, Shenzhen, CN;
Shufan Huang, Shenzhen, CN;
Jing Yang, Shenzhen, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
Method and apparatus are provided for estimating Time of Arrival ('TOA'). The method includes: performing channel estimation according to a Normal Burst ('NB') free of interference and a local training sequence and generating a channel estimate, performing TOA estimation according to the channel estimate, and adjusting a synchronization position of the current NB according to a TOA estimation result. Interference to signals is cancelled before the TOA estimation, thus overcoming energy estimate deviation arising from interference in a strongly interfering radio environment, as occurs in the prior art, and preventing the impact on the TOA estimation. The disclosed methods and apparatus provide for more accurate energy estimates in a strongly interfering radio environment. The technical solution under the present invention does not require adjustment of the method of adjusting the search window.