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:
Dec. 25, 2007

Filed:

May. 13, 2003
Applicants:

Kook-heui Lee, Songnam-shi, KR;

Hyeon-woo Lee, Suwon-shi, KR;

Sung-ho Choi, Songnam-shi, KR;

Joon-goo Park, Seoul, KR;

Jeong-gon Kim, Seoul, KR;

Inventors:

Kook-Heui Lee, Songnam-shi, KR;

Hyeon-Woo Lee, Suwon-shi, KR;

Sung-Ho Choi, Songnam-shi, KR;

Joon-Goo Park, Seoul, KR;

Jeong-Gon Kim, Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 7/216 (2006.01); H04Q 7/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of performing an inter-RAT measurement for a handover from NB-TDD to GSM is provided. A UE, as it moves from an NB-TDD Node B to a GSM cell, receives a measurement control message from the NB-TDD Node B. The UE then measures the strength of a signal received from the GSM cell and verifies its identification for a predetermined measuring time. If the UE successfully verifies the identification of the GSM cell for the measuring time, it reports the signal strength measurement and the verified GSM cell identification to the NB-TDD Node B. If the UE fails to verify the identification of the GSM cell for the measuring time, it reports only the signal strength measurement to the NB-TDD Node B.


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