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Method for confirming interfering signal power, CDMA base station apparatus and method

A technology for interfering signals and base station equipment, which is used in energy-saving ICT, transmission control/equalization, advanced technology, etc.

Active Publication Date: 2011-11-02
CHINA TELECOM CORP LTD
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  • Claims
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Problems solved by technology

However, as mentioned above, this method cannot distinguish whether the load rise is due to an external interference source such as a PHS base station or due to a current CDMA user
Therefore, when the amount of interference from the external interference source changes, the measurement of the load will have errors

Method used

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  • Method for confirming interfering signal power, CDMA base station apparatus and method
  • Method for confirming interfering signal power, CDMA base station apparatus and method
  • Method for confirming interfering signal power, CDMA base station apparatus and method

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Embodiment Construction

[0018] First refer to image 3 Describe how to determine the external interference source device S in the wireless base station device (that is, the interfered device) according to the present invention 1 , S 2 ,...,S n The method of interfering signal power 30 . The wireless base station equipment is, for example, a CDMA base station, and the external interference source may be, for example, a PHS base station.

[0019] In step 301, measure the external disturbance source S j (1≤j≤n, n is a natural number) at the target frequency F of the wireless base station equipment obj The transmitting power of the interfering signal on T int (j), and save it. The interference transmit power T int (j) Generally includes emission spurious and intermodulation interference.

[0020] In step 302, measure the external disturbance source S j at its own operating frequency F j The transmit power T of the useful signal (ie the main signal) on sig (j), and save it. For example, the pe...

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Abstract

The present invention provides a method for confirming interference signal power of an interference source Sj (1<=j<= n, and n is a natural number) received by a wireless base station equipment, which includes the following steps: measuring interference signal emission power Tint (j) of the interference source Sj and useable signal emission power Tsig (j) and saving them; receiving the useable signals of the interference source Sj and measuring the power Rsig (j) thereof on the base station; and based on the saved interference signal emission power Tint (j), the saved useable signal emission power Tsig (j), the measured useable signal receiving signal Rsig (j), calculating interference signal emission receiving power Rint(j) of the interference source Sj. The present invention also provides a CDMA base station equipment to confirm back noise value with the method above and a method for updating the back noise. The present invention enables the admission control of the CDMA base station equipment more accurate and effective based on back noise uplift.

Description

technical field [0001] The invention relates to wireless resource management technology in wireless communication engineering. More specifically, the present invention relates to a method for determining the interference signal power of an interference source received by a wireless base station device, a CDMA base station device using the method, and a method for updating the noise floor of the CDMA base station device. Background technique [0002] In recent years, with the rapid development of wireless communication technology, there are usually multiple communication operators providing wireless communication services in each region. For example, time division multiple access (TDMA) system, personal portable telephone (PHS) system and code division multiple access (CDMA) system with universal network coverage have been established in our country at present. The overlap of serving cells of communication systems of different operators causes RF interference between differ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/005
CPCY02B60/50Y02D30/70
Inventor 胡乐明林衡华曹磊叶银法王庆扬
Owner CHINA TELECOM CORP LTD
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