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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, applied in energy-saving ICT, transmission control/balance, advanced technology, etc., can solve problems such as inability to distinguish load rise, load measurement error, etc.

Active Publication Date: 2008-01-23
CHINA TELECOM CORP LTD
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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

[0017] First, referring to FIG. 3, the method of determining the external interference source device S in the wireless base station device (ie, the interfered device) according to the present invention will be described. 1 , S 2 ,..., S n Method 30 of the power of the interference signal. 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.

[0018] In step 301, measure the external interference source S j (1≤j≤n, n is a natural number) at the target frequency F of the wireless base station equipment obj The interference signal transmit power on T int (j), and save it. The interference transmit power T int (j) Generally includes emission spurious and intermodulation interference.

[0019] In step 302, measure the external interference source S j At its own operating frequency F j The transmit power T of the useful signal (i.e., the main signal) on sig (j), and save it. For example, t...

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Abstract

The present invention provides a method to confirm interference signal power of an interference source Sj (j is not less than 1 but not more than n and n is a natural number) received by a wireless base station equipment, which includes procedures below: Interference signal emission power Tint (j) of the interference source Sj and useable signal emission power Tsig (j) are measured and saved. Useable signals of the interference source Sj are received and power Rsig (j) of the useable signal, the saved interference signal emission power Tint (j), the saved useable signal emission power Tsig (j) and the useable signal receiving signal Rsig (j) are measured on the base station equipment. In addition, it is necessary to calculate interference signal 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 to update the back noise. Besides, the present invention ensures more accurate and effective control over threshold of CDMA base station equipments based on back noise uplift.

Description

Technical field [0001] The present 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 in each region to provide wireless communication services. For example, a time division multiple access (TDMA) system, a personal portable telephone (PHS) system, and a code division multiple access (CDMA) system with universal network coverage have been established in my country. The overlapping of the service cells of the communication systems of different operators causes RF interference betwe...

Claims

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Application Information

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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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