Mobile communication apparatus, method, and computer readable medium thereof for early measuring signal of a base station

• US 8,107,963 B2
• Filed: 05/18/2007
• Issued: 01/31/2012
• Est. Priority Date: 12/19/2006
• Status: Active Grant

• Current Assignee: Institute For Information Industry
• Original Assignee: Institute For Information Industry
• Inventors: Chang, Chia-Hsiang, Tsai, Kun-Chan
• Primary Examiner(s): Corsaro, Nick
• Assistant Examiner(s): PATEL, MAHENDRA R
• Application Number:
  US11/750,786
• Publication Number:
  US 20080146233A1
• Time in Patent Office: 1,719 Days
• Field of Search: 370/335, 370/342, 370/337, 370/208, 455/445, 455/522, 375/347, 375/146, 375/130, 342/457
• US Class Current: 455/437
• CPC Class Codes: H04W 36/0085 Hand-off measurements
• CPC Class Codes: H04W 36/32 by location or mobility data, e.g. speed data
• CPC Class Codes: H04W 36/322 by location data
• CPC Class Codes: H04W 36/324 by mobility data, e.g. speed data

Abstract

A positioning module positions a location of a mobile communication apparatus. A processor determines whether the location falls within a predetermined range, wherein the predetermined range is equal to or greater than an effective communication coverage of a neighboring base station. If the processor determines that the location is within the predetermined range, a signal detection module measures the signal from the neighboring base station. By detecting the signals of the neighboring base stations earlier, the present invention is able to function while the mobile communication apparatus moves at high speeds and successfully switch the connections between the base stations.

Claims

1. A method for early measuring a signal of a base station, comprising the steps of:

calculating a moving speed of a mobile communication apparatus by the mobile communication apparatus;

determining whether the moving speed is equal to or greater than a predetermined moving speed by the mobile communication apparatus;

positioning a location of the mobile communication apparatus by the mobile communication apparatus while the moving speed is determined equal to or greater than the predetermined moving speed;

determining whether the location is within a predetermined range by the mobile communication apparatus based on a base station deployment map stored in the mobile communication apparatus, wherein the base station deployment map records a location and an effective communication coverage of the base station, and the predetermined range is equal to or greater than the effective communication coverage of the base station; and

measuring the signal of the base station by the mobile communication apparatus if the location is determined within the predetermined range.

2. The method as claimed in claim 1, wherein the signal is one of a received signal strength (RSSI), a received signal code power (RSCP), and a carrier-to-noise ratio (Ec/N0).

3. The method as claimed in claim 1, the determining step further comprising the steps of:

setting the predetermined range by the mobile communication apparatus according to the effective communication coverage of the base station.

4. A non-transitory computer readable medium storing a computer program for a mobile communication apparatus to execute a method for early measuring a signal of a base station, the method comprising the steps of:

calculating a moving speed of the mobile communication apparatus;

determining whether the moving speed is equal to or greater than a predetermined moving speed;

positioning a location of the mobile communication apparatus while the moving speed is determined equal to or greater than the predetermined moving speed;

determining whether the location is within a predetermined range based on a base station deployment map stored in the mobile communication apparatus, wherein the base station deployment map records a location and an effective communication coverage of the base station, and the predetermined range is equal to or greater than the effective communication coverage of the base station; and

measuring the signal of the base station if the location is determined within the predetermined range.

5. The non-transitory computer readable medium as claimed in claim 4, wherein the signal is one of a received signal strength, a received signal code power, and a carrier-to-noise ratio.

6. The non-transitory computer readable medium as claimed in claim 4, the determining step further comprising the steps of:

setting the predetermined range according to the effective communication coverage of the base station.

7. A mobile communication apparatus, comprising:

a calculating module for calculating a moving speed of the mobile communication apparatus;

a processor for determining whether the moving speed is equal to or greater than a predetermined moving speed;

a positioning module for positioning a location of the mobile communication apparatus while the moving speed is determined equal to or greater than the predetermined moving speed, wherein the processor further determines whether the location is within the predetermined range based on a base station deployment map stored in a memory of the mobile communication apparatus, the base station deployment map records a location and an effective communication coverage of the base station, and the predetermined range is equal to or greater than the effective communication coverage of the base station; and

a signal detection module for measuring a signal of the base station if the processor determines that the location is within the predetermined range.

8. The mobile communication apparatus as claimed in claim 7, wherein the signal is one of a received signal strength, a received signal code power, and a carrier-to-noise ratio.

9. The mobile communication apparatus as claimed in claim 7, wherein the processor sets the predetermined range according to the effective communication coverage of the base station.

10. The mobile communication apparatus as claimed in claim 9, wherein the base station deployment map is transmitted to the memory by a mobile communication operator.

11. The mobile communication apparatus as claimed in claim 9, wherein the base station deployment map is downloaded into the memory via a network by a user.

12. The mobile communication apparatus as claimed in claim 9, wherein the base station deployment map is stored in the memory while the mobile communication apparatus is manufactured.