CN102790989A - Simulation control device and method for wireless network channel - Google Patents
Simulation control device and method for wireless network channel Download PDFInfo
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- CN102790989A CN102790989A CN2011101303169A CN201110130316A CN102790989A CN 102790989 A CN102790989 A CN 102790989A CN 2011101303169 A CN2011101303169 A CN 2011101303169A CN 201110130316 A CN201110130316 A CN 201110130316A CN 102790989 A CN102790989 A CN 102790989A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The invention discloses a simulation control device and method for a wireless network channel. The device comprises a channel control unit for recording channel characteristic data of a wireless network channel having interference between an input baseband and an output baseband; a channel processing unit for performing channel processing on each input baseband data corresponding to the output baseband according to the channel characteristic data between the output baseband and the input baseband; and a channel synthesizing unit for superposing data processed by the channel corresponding to the output baseband, and sending the data obtained by superposition to the output baseband. The method can realize the function of the current simulation technique, including point-to-point channel simulation; and can repeat real-time, complicated and practical network channel environment under interaction of multiple channels, including a multiple-input multiple-output (MIMO) channel and a multi-cell interference channel.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of radio network information channel analogue system control device and method.
Background technology
The complexity of radio network information channel, diversity and time variation have brought great difficulty to wireless base system design and system parameters configuration.Usually wireless base system was difficult to its systematic function under network environment of prevision before using in batches, therefore needed in advance radio network information channel to be carried out simulation test, fully exposed the problem that exists in the base station system product.
At present, the system testing environment of in the laboratory, building is only supported the function and the performance verification of point-to-point usually, promptly only possesses the wireless channel simulation ability, does not possess the radio network information channel analog capability.Exactly because also the laboratory system test can't be portrayed the various radio channel characteristic in the real network environment, before base station system is used in batches, need to build the commercial pilot office of certain scale, usually with the problem that exists in the abundant exposure base station system.The commercial pilot office of scale need drop into a huge sum of money, and needs quite long construction and service time.
Summary of the invention
In view of above-mentioned analysis, the present invention aims to provide a kind of radio network information channel analog control device and method, in order to remedy defective and the deficiency that the system testing environment built in existing laboratory and commercial pilot office exist.
The object of the invention is mainly realized through following technical scheme:
The invention provides a kind of radio network information channel analog control device, comprising:
Channel controller is used for the radio network information channel record channel characteristics data of disturbing for existing between input base band and the output base band;
Channel bank is used for each input base band data corresponding to the output base band, carries out Channel Processing based on the channel characteristics data between this output base band and this input base band;
The channel synthesis unit is used for all data through above-mentioned Channel Processing that this output base band is corresponding and superposes, and the data that obtain after the stack are sent to this output base band.
Further, said channel controller specifically is used for, and input base band and output base band are numbered, and with output base band and the row and column of input base band as matrix, forms the expectant control structural table respectively; And to having the radio network information channel that disturbs between input base band and the output base band, the channel characteristics data of this radio network information channel of record on expectant control structural table relevant position.
Further, said channel controller also is used for, to not having the radio network information channel of interference, record 0 or specific identifier on expectant control structural table relevant position between input base band and the output base band.
Wherein, the order of base band obtains according to predetermined rule mapping in port and the port of said numbering through said network channel analog control device.
The present invention also provides a kind of network channel analog control method, comprising:
To there being the radio network information channel record channel characteristics data of disturbing between input base band and the output base band;
Each input base band data corresponding to the output base band carries out Channel Processing based on the channel characteristics data between this output base band and this input base band;
All data through above-mentioned Channel Processing that this output base band is corresponding superpose, and the data that obtain after the stack are sent to this output base band.
Further, to there being the wireless channel record channel characteristics data of disturbing between input base band and the output base band, specifically comprise:
Input base band and output base band are numbered, with output base band and the row and column of input base band, form the expectant control structural table respectively as matrix; And to having the radio network information channel that disturbs between input base band and the output base band, the channel characteristics data of this radio network information channel of record on expectant control structural table relevant position.
Further, also comprise:
To not having the radio network information channel of interference, record 0 or specific identifier in the expectant control table between input base band and the output base band.
Beneficial effect of the present invention is following:
One aspect of the present invention can realize the function of present emulation technology, comprises point-to-point channel simulation; Can reappear real network channel circumstance under the multichannel interaction, real-time, complicated on the other hand, comprise mimo channel, many area interference channel or the like.
Other features and advantages of the present invention will be set forth in specification subsequently, and from specification, becoming apparent of part perhaps understood by embodiment of the present invention.The object of the invention can be realized through the structure that in the specification of being write, claims and accompanying drawing, is particularly pointed out and obtained with other advantages.
Description of drawings
Fig. 1 is the structural representation of the said network channel analog control device of the embodiment of the invention;
Fig. 2 is among the present invention first method embodiment, MIMO wireless channel network diagram;
Fig. 3 is among the present invention first method embodiment, the connection sketch map of network channel analog control device in MIMO wireless channel network;
Fig. 4 is the schematic flow sheet of the present invention first method embodiment;
Fig. 5 disturbs and the simultaneous wireless channel network diagram of MIMO among the present invention second method embodiment;
Fig. 6 is among the present invention second method embodiment, the network channel analog control device disturb with the simultaneous wireless channel network of MIMO in be connected sketch map;
Fig. 7 is the schematic flow sheet of the present invention second method embodiment;
Fig. 8 disturbs and the simultaneous wireless channel network diagram of MIMO among third party's method embodiment of the present invention;
Fig. 9 is among third party's method embodiment of the present invention, the network channel analog control device disturb with the simultaneous wireless channel network of MIMO in be connected sketch map;
Figure 10 is the schematic flow sheet of third party's method embodiment of the present invention.
Embodiment
Specifically describe the preferred embodiments of the present invention below in conjunction with accompanying drawing, wherein, accompanying drawing constitutes the application's part, and is used to explain principle of the present invention with embodiments of the invention.
At first, be elaborated in conjunction with the said network channel analog control device of 1 pair of embodiment of the invention of accompanying drawing.
The said network channel analog control device of the embodiment of the invention is connected between base station and the terminal; Wherein, the quantity at base station and terminal is unrestricted, can be corresponding a plurality of terminals, a base station; Also can be corresponding terminals, a plurality of base stations, can also be corresponding a plurality of terminals, a plurality of base stations.
As shown in Figure 1, Fig. 1 is the structural representation of the said network channel analog control device of the embodiment of the invention, specifically can comprise: channel controller 101, channel bank 102, channel synthesis unit 103
Wherein, Above-mentioned numbering can be through the network channel analog control device port and port in the order of base band obtain according to predetermined rule mapping; And predetermined rule is not limited to, and can set according to the actual conditions of radio network information channel or technical staff's custom etc.
Above-mentioned expectant control structural table by output base band and input base band respectively as forming the matrix that row and column is formed, specifically as shown in table 1:
Table 1
Explain: the data based uplink and downlink of channel characteristics are confirmed, comprising: decline, channel relevancy, noise etc. generally can collect through the outside in real time.
Practical implementation process for above-mentioned network channel analog control device please refer to the detailed description of following method embodiment.
Next, be elaborated to 10 pairs of said methods of the embodiment of the invention of accompanying drawing in conjunction with accompanying drawing 2.
The first method embodiment: to MIMO (Multiple-Input Multiple-Out-put, MIMO antenna system) channel
As shown in Figure 2, Fig. 2 is among the present invention first method embodiment, MIMO wireless channel network diagram, wherein, corresponding terminal, a base station.As shown in Figure 3, Fig. 3 is among the present invention first method embodiment, the connection sketch map of network channel analog control device in MIMO wireless channel network; To import base band according to the external situation about connecting of network channel analog control device and be numbered in:id1; Id2 will export base band and be numbered out:id1, id2; Wherein, the data of two output base band will arrive the terminal through two antenna transmission at terminal..
As shown in Figure 4, Fig. 4 specifically can comprise the steps: for the schematic flow sheet of the present invention first method embodiment
Step 401: suppose that 4 radio network information channels that exist between this base station and this terminal all have interference; Then that these 4 radio network information channels are corresponding channel characteristics data H11, H12, H21, H22 insert the relevant position (referring to table 2) in the expectant control structural table respectively, and 0 (also can add other specific sign symbols) added in other places;
Step 402: two the input base band datas corresponding base station output base band 1 (out:id1) carry out Channel Processing according to H11, H12 respectively, and two the input base band datas corresponding output base band 2 (out:id2) carry out Channel Processing according to H21, H22 respectively;
Step 403: two data additions carrying out according to H11, H21 after the Channel Processing, superimposed data is sent to the output base band 1 corresponding with this terminal; Superpose two data of carrying out according to H12, H22 after the Channel Processing, superimposed data is sent to the output base band 2 corresponding with this terminal.
This terminal is through superimposed data in two antenna receiving steps 403, analyzes based on these data and just can understand this base station product and whether send one's regards to topic, have which problem.
Here, the expectant control structural table is as shown in table 2:
Table 2
Explain: the base band id1 of left side first row, the input base band 1 that base band id2 representes base station 1 respectively and input base band 2; Base band id, the base band id2 of first row representes the output base band 1 corresponding with this terminal, output base band 2 respectively.
The second method embodiment: to interference channel and mimo channel and the radio network information channel deposited:
As shown in Figure 5, Fig. 5 disturbs and the simultaneous wireless channel network diagram of MIMO among the present invention second method embodiment, wherein, and corresponding terminal, two base stations (base station 1, base station 2).As shown in Figure 6, Fig. 6 is among the present invention second method embodiment, the network channel analog control device disturb with the simultaneous wireless channel network of MIMO in be connected sketch map; To import base band according to the external situation about connecting of network channel analog control device and be numbered in:id1, id2, id3; Id4, wherein, in:id1; Id2 representes input base band 1, the input base band 2 of base station 1 respectively, and in:id3, id4 represent the input base band 1 and input base band 2 of base station 2 respectively; To export base band and be numbered out:id1, id2 representes output base band corresponding with this terminal 1 and output base band 2 respectively, and wherein, output base band 1 will arrive the terminal through two antenna transmission at terminal with the data of importing base band 2.
As shown in Figure 7, Fig. 7 specifically can comprise the steps: for the schematic flow sheet of the present invention second method embodiment
Step 701: suppose that 8 radio network information channels that exist between two base stations and the terminal all have interference; Then that these 8 radio network information channels are corresponding channel characteristics data H11, H12, H21, H22, H13, H14, H23, H24 insert the relevant position (referring to table 3) in the expectant control structural table respectively, and 0 (also can add other specific sign symbols) added in other places;
Step 702: carry out Channel Processing to base station 1 output base band, 1 two corresponding input base band datas according to H11, H12 respectively, carry out Channel Processing to base station 1 output base band, 2 two corresponding input base band datas according to H21, H22 respectively;
Step 703: carry out Channel Processing to base station 2 output base band, 1 two corresponding input base band datas according to H13, H14 respectively, carry out Channel Processing to base station 2 output base band, 2 two corresponding input base band datas according to H23, H24 respectively;
Step 704:, be sent to the output base band 1 corresponding to superimposed data with this terminal four data additions carrying out according to H11, H12, H13, H14 after the Channel Processing;
Step 705: superpose four data of carrying out according to H21, H22, H23, H24 after the Channel Processing, be sent to the output base band 2 corresponding to superimposed data with this terminal.
This terminal is through superimposed data in two antenna receiving steps 403, analyzes based on these data and just can understand these two base station products and whether send one's regards to topic, have which problem.
Here, the expectant control structural table is as shown in table 3:
Table 3
Explain: the base band id1 of left side first row, the input base band 1 that base band id2 representes base station 1 respectively and input base band 2, base band id3, the base band id4 of defeated left side first row representes the input base band 1 and the input base band 2 of base station 2; Base band id1, the base band id2 of first row representes the output base band 1 corresponding with this terminal, output base band 2 respectively.
Third party's method embodiment: to interference channel and mimo channel and the radio network information channel deposited:
As shown in Figure 8, Fig. 8 disturbs and the simultaneous wireless channel network diagram of MIMO among third party's method embodiment of the present invention, wherein, and corresponding two terminals (terminal 1, terminal 2), two base stations (base station 1, base station 2).As shown in Figure 9, Fig. 9 is among third party's method embodiment of the present invention, the network channel analog control device disturb with the simultaneous wireless channel network of MIMO in be connected sketch map; To import base band according to the external situation about connecting of network channel analog control device and be numbered in:id1, id2, id3; Id4, wherein, in:id1; Id2 representes input base band 1, the input base band 2 of base station 1 respectively, and in:id3, id4 represent the input base band 1 and input base band 2 of base station 2 respectively.To export base band and be numbered out:id1, id2, id3, id4, wherein, out:id1, id2 represent output base band corresponding with terminal 11 and output base band 2 respectively, its data will arrive terminal 1 through two antenna transmission at terminal 1; Out:id3, id4 represent output base band corresponding with terminal 21 and output base band 2 respectively, and its data will arrive terminal 2 through two antenna transmission at terminal 2.
Shown in figure 10, Figure 10 specifically can comprise the steps: for the schematic flow sheet of third party's method embodiment of the present invention
Step 1001: in 16 radio network information channels that exist between two base stations and two terminals; There are 12 radio network information channels that interference is arranged; Then the radio network information channel between channel characteristics data H11, H12, H21, H22, H13, H14, H23, H24, H31, H32, H41, H42(base station 2 and the terminal 2 of these 12 radio network information channels is not disturbed) insert (referring to table 4) in the expectant control structural table respectively, 0(is added in other places also can add other specific sign symbols);
Step 1002: to terminal 1, carry out Channel Processing to base station 1 output base band, 1 two corresponding input base band datas according to H11, H12 respectively, carry out Channel Processing to base station 1 output base band, 2 two corresponding input base band datas according to H21, H22 respectively;
Step 1003: carry out Channel Processing to base station 2 output base band, 1 two corresponding input base band datas according to H13, H14 respectively, carry out Channel Processing to base station 2 base band, 2 two corresponding input base band datas according to H23, H24 respectively;
Step 1004:, be sent to the output base band 1 corresponding to superimposed data with terminal 1 four data additions carrying out according to H11, H12, H13, H14 after the Channel Processing; Superpose four data of carrying out according to H21, H22, H23, H24 after the Channel Processing, be sent to the output base band 2 corresponding to superimposed data with terminal 1;
Step 1005: to terminal 2, carry out Channel Processing to base station 2 output base band, 1 two corresponding input base band datas according to H31, H32 respectively, carry out Channel Processing to base station 2 output base band, 2 two corresponding input base band datas according to H41, H42 respectively;
Step 1006:, be sent to the output base band 1 corresponding to superimposed data with terminal 2 two data additions carrying out according to H31, H32 after the Channel Processing; Two data additions carrying out according to H41, H42 after the Channel Processing, be sent to the output base band 2 corresponding to superimposed data with terminal 2;
Here, the expectant control structural table is as shown in table 4:
Table 4
Explain: the base band id1 of left side first row, the input base band 1 that base band id2 representes base station 1 respectively and input base band 2, base band id3, base band id4 represent the input base band 1 and the input base band 2 of base station 2 respectively; Base band id1 and the base band id2 of first row representes the output base band 1 and output base band 2 corresponding with terminal 1 respectively, and base band id3 and base band id4 represent the output base band 1 corresponding with terminal 2 respectively and export base band 2.
In sum, the embodiment of the invention provides a kind of radio network information channel analog control device and method, can realize the function of present emulation technology on the one hand, comprises point-to-point channel simulation; Can reappear real network channel circumstance under the multichannel interaction, real-time, complicated on the other hand, comprise mimo channel, many area interference channel or the like.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (7)
1. a radio network information channel analog control device is characterized in that, comprising:
Channel controller is used for the radio network information channel record channel characteristics data of disturbing for existing between input base band and the output base band;
Channel bank is used for each input base band data corresponding to the output base band, carries out Channel Processing based on the channel characteristics data between this output base band and this input base band;
The channel synthesis unit, all that are used for this output base band correspondence superpose through the data after the above-mentioned Channel Processing, and the data that obtain after the stack are sent to this output base band.
2. based on the described device of claim 1, it is characterized in that said channel controller specifically is used for, input base band and output base band are numbered, with output base band and the row and column of input base band, form the expectant control structural table respectively as matrix; And to having the radio network information channel that disturbs between input base band and the output base band, the channel characteristics data of this radio network information channel of record on expectant control structural table relevant position.
3. device according to claim 2; It is characterized in that; Said channel controller also is used for, to not having the radio network information channel of interference, record 0 or specific identifier on expectant control structural table relevant position between input base band and the output base band.
4. method according to claim 2 is characterized in that, the order of base band obtains according to predetermined rule mapping in port and the port of said numbering through said network channel analog control device.
5. a network channel analog control method is characterized in that, comprising:
To there being the radio network information channel record channel characteristics data of disturbing between input base band and the output base band;
Each input base band data corresponding to the output base band carries out Channel Processing based on the channel characteristics data between this output base band and this input base band;
Data after the above-mentioned Channel Processing of all processes that this output base band is corresponding superpose, and the data that obtain after the stack are sent to this output base band.
6. method according to claim 5 is characterized in that, to there being the wireless channel record channel characteristics data of disturbing between input base band and the output base band, specifically comprises:
Input base band and output base band are numbered, with output base band and the row and column of input base band, form the expectant control structural table respectively as matrix; And to having the radio network information channel that disturbs between input base band and the output base band, the channel characteristics data of this radio network information channel of record on expectant control structural table relevant position.
7. method according to claim 6 is characterized in that, also comprises:
To not having the radio network information channel of interference, record 0 or specific identifier in the expectant control table between input base band and the output base band.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101303169A CN102790989A (en) | 2011-05-19 | 2011-05-19 | Simulation control device and method for wireless network channel |
| PCT/CN2011/078108 WO2012155396A1 (en) | 2011-05-19 | 2011-08-08 | Control device and method for simulation channel in wireless network |
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| CN2011101303169A CN102790989A (en) | 2011-05-19 | 2011-05-19 | Simulation control device and method for wireless network channel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104053177A (en) * | 2013-03-15 | 2014-09-17 | 中国移动通信集团公司 | Test apparatus and method for mutual operation of network device and mobile terminal |
| CN104283623A (en) * | 2014-10-01 | 2015-01-14 | 工业和信息化部电信研究院 | MIMO-OTA testing method supporting multi-cell interference |
| CN105992234A (en) * | 2015-02-15 | 2016-10-05 | 中兴通讯股份有限公司 | Method and system for simulating borderless network channel environment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111444609B (en) * | 2020-03-24 | 2023-08-08 | 北京润科通用技术有限公司 | Data processing method and simulation system |
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| CN1645822A (en) * | 2004-12-15 | 2005-07-27 | 西安电子科技大学 | Environmental simulator for high-speed communicating network |
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- 2011-05-19 CN CN2011101303169A patent/CN102790989A/en active Pending
- 2011-08-08 WO PCT/CN2011/078108 patent/WO2012155396A1/en active Application Filing
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| EP1022872A2 (en) * | 1999-01-19 | 2000-07-26 | Lucent Technologies Inc. | Apparatus and method for providing a radio environment to test wireless communications equipment |
| CN1645822A (en) * | 2004-12-15 | 2005-07-27 | 西安电子科技大学 | Environmental simulator for high-speed communicating network |
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| CN104053177A (en) * | 2013-03-15 | 2014-09-17 | 中国移动通信集团公司 | Test apparatus and method for mutual operation of network device and mobile terminal |
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| CN104283623A (en) * | 2014-10-01 | 2015-01-14 | 工业和信息化部电信研究院 | MIMO-OTA testing method supporting multi-cell interference |
| CN105992234A (en) * | 2015-02-15 | 2016-10-05 | 中兴通讯股份有限公司 | Method and system for simulating borderless network channel environment |
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| WO2012155396A1 (en) | 2012-11-22 |
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Application publication date: 20121121 |