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A method and device for determining channel quality

A channel quality and module determination technology, applied in the field of communications, can solve problems such as unpredictable high-load network interference, and achieve the effect of improving network coverage performance and channel quality

Inactive Publication Date: 2017-05-03
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the main purpose of the present invention is to provide a method and device for determining channel quality, which can solve the problem of unpredictable high-load network interference under no-load conditions, and improve network coverage performance

Method used

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  • A method and device for determining channel quality
  • A method and device for determining channel quality
  • A method and device for determining channel quality

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Experimental program
Comparison scheme
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Embodiment 1

[0071] figure 2 It is a schematic diagram of a neighboring cell of a cellular communication system according to an embodiment of the present invention, showing a serving cell 1 and its six neighboring cells (neighboring cell 2 to neighboring cell 7 ) of the cellular communication system. image 3 It is a schematic diagram of frequency allocation using all-same-frequency networking in an embodiment of the present invention, Figure 4 It is a flowchart of a method for determining downlink channel quality in an all-same-frequency system according to Embodiment 1 of the present invention, as shown in Figure 4 As shown, the process includes:

[0072] Step 401: Obtain the RSRPs of the serving cell and its neighboring cells in the current drive test.

[0073] refer to figure 1 The serving cell 1 and its neighboring cells shown are taken as an example. The RSRP of the serving cell 1 is obtained through the drive test as RSRP 1 , the RSRP of each neighboring cell of cell 1 is obtai...

Embodiment 2

[0083] This embodiment introduces a method for determining downlink channel quality in a partial same-frequency system. Figure 5 It is a schematic diagram of part of system bandwidth allocation under the same frequency according to Embodiment 2 of the present invention, Figure 6 It is a schematic diagram of neighboring cells and frequency point allocation in a part of the same frequency system according to Embodiment 2 of the present invention, Figure 7 It is a flowchart of a method for determining the quality of a downlink channel in a part of the same-frequency system according to Embodiment 2 of the present invention, as shown in Figure 7 As shown, the process includes:

[0084] Step 701: Obtain the RSRPs of the serving cell and its neighboring cells in the current drive test.

[0085] by Figure 6 The serving cell 1 and its neighboring cells shown are taken as an example. The RSRP of the serving cell 1 is obtained through the drive test as RSRP 1 , the RSRP of each...

Embodiment 3

[0093] Figure 8 It is a frequency allocation diagram of the fourth-generation mobile communication system according to Embodiment 3 of the present invention. Different cells use different center frequency points, there is no overlap between frequency bands, and the frequency points are completely different in frequency. Figure 9 It is a schematic diagram of neighboring cells and frequency point allocation in the inter-frequency system according to Embodiment 3 of the present invention, Figure 10 It is a flowchart of a method for determining downlink channel quality in an inter-frequency system according to Embodiment 3 of the present invention, as shown in Figure 10 As shown, the process includes:

[0094] Step 1001: Obtain the RSRP of the serving cell of the current drive test and the surrounding cells configured with the neighbor cell relationship.

[0095] by Figure 9 The serving cell 1 and its surrounding cells are shown as an example. The RSRP of the serving cell ...

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Abstract

The invention discloses a method for determining channel quality. The method comprises the step of acquiring RSRP (Reference signal received power) of a serving cell and RSRP of cells neighboring the serving cell, and the step of determining the quality of a downlink channel of the serving cell according to the acquired RSRP of the serving cell and the acquired RSRP of the cells neighboring the serving cell. The invention further correspondingly discloses a device for determining the channel quality. By means of the method and device, the channel quality of the serving cell is determined according to the RSRP of the serving cell and the RSRP of the cells neighboring the serving cell, the problem that in the prior art, the channel quality cannot be accurately determined under the situation of network heavy loads is solved, the channel interference problems can be found in time at the basic optimization stage of the system, the channel quality is improved through coverage optimization, and the network coverage performance is improved.

Description

technical field [0001] The invention relates to the communication field, in particular to a method and device for determining channel quality. Background technique [0002] In the fourth generation mobile communication system, the carrier to interference noise ratio CINR (Carrier to Interference plus Noise Ratio, RS CINR) of the Cell-Specific Reference Signal (Cell RS) detected by the road test or the traffic channel Carrier-to-Interference-to-Noise Ratio (CINR) (SINR for PDSCH) as the quality of the traffic channel. In network optimization, RS CINR is also mainly used as the main basis for coverage quality optimization. [0003] In the fourth-generation mobile communication system, due to system design, the quality of the downlink channel is related to the network load. The higher the network load, the worse the quality of the downlink channel. Therefore, in the coverage optimization of the network engineering construction stage, the network is under no load, and the chan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/02H04W24/08
Inventor 原均和李小玮袁海军原学军
Owner ZTE CORP