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.

Date of Patent:
Sep. 05, 2017

Filed:

Feb. 19, 2016
Applicant:

Industrial Technology Research Institute, Hsinchu, TW;

Inventors:

Ming-Hsuan Kao, Changhua County, TW;

Szu-Yu Wang, New Taipei, TW;

Ming-Fu Tang, Hsinchu, TW;

Bor-Ching Su, New Taipei, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 25/02 (2006.01); H04W 74/08 (2009.01); H04L 27/26 (2006.01); H04W 72/04 (2009.01);
U.S. Cl.
CPC ...
H04L 25/0228 (2013.01); H04L 27/2601 (2013.01); H04W 72/044 (2013.01); H04W 74/0833 (2013.01);
Abstract

A method of performing uplink channel estimation and a base station using the same are provided. The method is applicable to serve at least two UE equipments (UEs) in a communication system. The at least two UEs are located in at least two beam sectors respectively. The base station comprises a plurality of antennas. The method includes: determining whether multipath of the at least two UEs passing through a same beam sector; assigning a first and a second training sequence for a first UE and a second UE of the at least two UEs respectively; receiving a reference signal, wherein the reference signal is transmitted by the first UE and the second UE according to the first and the second training sequence; and performing channel estimation for the first UE and the second UE according to the reference signal, the first and the second training sequence.


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