Method of transmitting measurement report in wireless communication system

• US 8,478,200 B2
• Filed: 06/23/2010
• Issued: 07/02/2013
• Est. Priority Date: 06/24/2009
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Jung, Sung-Hoon, Chun, Sung Duck, Kim, Sunhee, Yi, Seung June, Park, Sung Jun
• Primary Examiner(s): Hsieh, Ping
• Assistant Examiner(s): YANG, CHUNG TIEN
• Application Number:
  US12/822,041
• Publication Number:
  US 20100330921A1
• Time in Patent Office: 1,105 Days
• Field of Search: 455/67.11, 455/436, 455/452.2, 455/453, 455/450, 455/561, 455418-420, 709/224, 370/252, 370/329, 370/335
• US Class Current: 455/67.11
• CPC Class Codes: H04B 17/24 with feedback of measurements to the transmitter
• CPC Class Codes: H04B 17/309 Measuring or estimating channel quality parameters
• CPC Class Codes: H04W 24/10 Scheduling measurement reports ; Arrangements for measurement reports
• CPC Class Codes: H04W 76/28 Discontinuous transmission [DTX]; Discontinuous reception [DRX]

Abstract

Disclosed is a wireless communication system and terminal for providing a wireless communication service, and more particularly, a method of transmitting a measurement log from a terminal to a network when a RRC connected terminal has not found a RRC connectable network, although a wireless dedicated channel is not allocated between the terminal and the network, in an Evolved Universal Mobile Telecommunications System (E-UMTS) evolved from a UMTS, Long Term Evolution (LTE) System or LTE-Advanced (LTE-A) system.

Claims

1. A method of transmitting a measurement result from a terminal to a network in a wireless communication system, the method comprising:

receiving a measurement configuration from the network while the terminal is in a CELL_DCH or a CELL_FACH state;

logging the measurement result, in accordance with the measurement configuration after transitioning from the CELL_DCH state to a CELL_PCH or URA_PCH state and the terminal is considered to be in an out-of-service area, wherein the terminal is considered to be in an out-of-service area if the terminal does not find any suitable cell for a certain time period;

and

transmitting the logged measurement result to the network.

2. The method of claim 1, wherein the logged measurement result is a measured value when the out-of-service area is detected.

3. The method of claim 1, wherein the logged measurement result is a most recently measured value before the out-of-service area is detected.

4. The method of claim 1, wherein the measurement configuration is a minimization driving test (MDT) configuration.

5. A method of transmitting a measurement log from a terminal to a network in a wireless communication system, the method comprising:

receiving a measurement configuration from the network, wherein the terminal is connected to a radio resource control (RRC) network;

transitioning from a CELL_DCH state to a CELL_PCH or URA_PCH state;

storing the measurement log, in accordance with the measurement configuration received from the network, after transitioning from the CELL_DCH state to a CELL_PCH or URA_PCH state and the terminal is considered to be in an out-of-service area, wherein the terminal is considered to be in an out-of-service area if the terminal does not find any suitable cell for a certain time period; and

transmitting the stored measurement log to the network.

6. The method of claim 5, wherein the radio resource control (RRC) network is a RRC connectable radio network control (RNC) or a RRC connectable cell.