CN101335912A - Mixed networking and test method for audio service and multimedia broadcast/multicast service - Google Patents
Mixed networking and test method for audio service and multimedia broadcast/multicast service Download PDFInfo
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Abstract
The invention relates to a method of TD-SCDMA system speech operation in mixed net grouping with multimedia broadcast/multicast operation and a testing method of the mixed network. The invention at least comprises: transmitting multimedia broadcast/multicast operation using a time slot as a unit in a district, transmitting speech operation data in other sector at a same downstream time slot; after completing the transmission of the multimedia broadcast/multicast operation in the current section, in the next downstream time slot, circularly switching the data of multimedia broadcast/multicast operation to the other section for transmission. In a testing flow, SNR of speech operation users and users of the multimedia broadcast/multicast operation is obtained through snapping cycle, then statistical analysis is processed on the obtained result. The invention performs reasonable distribution on the downstream resource according to the self-characteristics of the two operations, thereby reasonably and effectively using network resource and flexibly distributing the resource ratio occupied by each operation.
Description
Technical field
The present invention relates to the networking technology of Time Division-Synchronous Code Division Multiple Access in the 3G (Third Generation) Moblie technology (TD-SCDMA) system, be particularly related to the professional method for testing and analyzing that mixes the method for networking with multimedia broadcast/group broadcast service (MBMS, Multimedia Broadcast/Multicast Service) and be used for this hybrid network of a kind of TD-SCDMA system voice.
Background technology
In traditional mobile network, cell broadcaste service (CBS) allows low bit rate data to share broadcast channel to the point-to-point transmission business datum of all users by the sub-district, belong to information series business, in the GSM standard of having announced the 99th (Release 99) version, have only Cell Broadcast Short Message CBCH business (SMS) to use CBS.Though traditional IP-based multicast service allows the signatory person of moving of this multicast service to receive, but this multicast service does not allow the resource of a plurality of contracted user's share of access network and core net, and promptly terminal can't receive the multi-medium data that network side sends by shared channel simultaneously.
In application scenes, a lot of users can go to receive the data of same content, for example mobile phone TV services at synchronization.In order to effectively utilize mobile network resource, in the R6 version of third generation partner plan (3GPP) standard of having announced, the MBMS business has been proposed, the MBMS business is a kind of shared network resource, transmit the technology of data to a plurality of targets from a data source, the advantage of MBMS business is: data only need send once in each connection of mobile network, network side sends data by common signal channel to terminal, a plurality of user terminals can receive simultaneously, thereby avoided congested owing to repeatedly sending the interface-free resources that causes, can realize that Internet resources are shared, improve utilization rate of network resource.
The MBMS business can not only realize the classes of messages multicast and the broadcasting of plain text, low rate, and can also realize the multicast and the broadcasting of high-speed multimedia business, and multiple rich video, audio frequency and multimedia service are provided.Yet, in existing single carrier cell, also there is not a kind of method that speech business and MBMS business can be carried out mixed networking, this makes the terminal use can not enjoy speech business and MBMS business simultaneously, and this has caused difficulty, can't improve utilization rate of network resource for making rational planning for of networking.
Summary of the invention
In view of this, one of purpose of the present invention provides the professional method with the mixed networking of MBMS of a kind of TD-SCDMA system voice, by this method network of making rational planning for, avoids the congested of interface-free resources, improves network resource utilization.
For achieving the above object, technical scheme of the present invention is achieved in that
The method of the mixed networking of a kind of speech business and multimedia broadcast/group broadcast service comprises the steps: at least
Steps A: network side is that chronomere transmits descending multimedia broadcast/group broadcast service data with the time slot in one or more sectors of sub-district, and the while is transmitted the speech business data in the descending time slot of other sector of same sub-district;
Step B: network side in next descending time slot, switches to other sector with the multimedia broadcast/group broadcast service data and transmits after the transmission of the multimedia broadcast/group broadcast service data of finishing current time slots, current sector.
Based on such scheme, among the step B, described switching is meant circularly by same and is directed downwards one or next group sector and switches, covers all sectors of described sub-district.
Based on such scheme, described descending time slot takies three conventional time slots; The networking of clover Directing Station mode is adopted in described sub-district, three sectors, three descending time slot compartment of terrains distribute multimedia broadcast/group broadcast service and speech business.
Based on such scheme, 8 yuan of smart antennas, positioning transceiving are adopted in described sub-district; Travelling carriage adopts omnidirectional's transmitting-receiving; Intelligent wave beam forming is adopted in speech business, and multimedia broadcast/group broadcast service is a broadcast wave bean shaping.
Another object of the present invention provides the method for testing of a kind of TD-SCDMA system voice business and the mixed networking of MBMS, can carry out statistical analysis to the signal-to-noise characteristic of speech business in the above-mentioned hybrid network and MBMS business by this method of testing, thereby provide guidance for the construction and the optimization of hybrid network.
For achieving the above object, technical scheme of the present invention is achieved in that
The method of testing of the mixed networking of a kind of speech business and multimedia broadcast/group broadcast service comprises the steps:
Step 1: the test parameter to test macro carries out the initialization assignment, and definite base station number and positional information;
Step 2: carry out the snapshot circulation, the snapshot of every result data of each time point is obtained and write down to iteration, add up voice user, multimedia broadcast/group broadcast service user respectively and do not satisfy the ratio of signal-noise ratio threshold and record voice user and multimedia broadcast/group broadcast service user's distance and interruption rate; Execution in step 3 after the snapshot loop ends;
Step 3: the snapshot data that obtains in the step 2 is carried out statistical analysis.
Based on such scheme, the circulation of snapshot described in the step 2 further comprises the steps:
Step 21: judge whether snapshot finishes, if then execution in step 3; If not, then set up base station information array and initialization assignment, execution in step 22 then;
Step 22: add access customer and foundation and initialization user profile array at random;
Step 23: the signal to noise ratio of carrying out power control iterative cycles and computing voice user;
Step 24: calculate multimedia broadcast/group broadcast service user's signal to noise ratio, calculate the back execution in step 21 that finishes.
Based on such scheme, further comprise the steps: in the step 22
Step 221: add a user at random;
Step 222: determine the user attaching sector and initiate to insert request to the ownership sector, admit as if the base station, then execution in step 223, if the base station fails to admit, then execution in step 221;
Step 223: this user is admitted in described base station, judges then whether user's interpolation finishes in this snapshot circulation, finishes if add, and then execution in step 224; Otherwise execution in step 221;
Step 224: calculate the smart antenna gain of being admitted between the user, execution in step 23 after the initialization user profile array.
Based on such scheme, further comprise the steps: in the step 23
Step 231: the signal to noise ratio of calculating each access base station user according to voice user's signal to noise ratio formula;
Step 232: adjust voice user's transmitting power according to the voice user's that obtains signal to noise ratio, and at the base station end voice user is carried out overload power and control;
Step 233: judge according to the power control iterated conditional whether the power control iteration finishes, if finish, then execution in step 24; If do not finish, then execution in step 231.
Based on such scheme, described voice user's signal to noise ratio is calculated according to following formula:
In this computing formula, P
VoiceBe speech business solid size road available signal power, v
VoiceBe the speech business activity factor, α is the orthogonal factor of down link, I
OwnBe this sub-district speech business interference power, β
ThisBe this community associated detection inhibiting factor, I
Own_JDBe the interference power that this sub-district is included joint-detection in, I
OtherBe adjacent area interference power, β
AdjacentBe adjacent community associated detection inhibiting factor, I
Other_JDBe the interference power that adjacent sub-district is included joint-detection in, v
MBMSBe the activity factor of multimedia broadcast/group broadcast service, I
MBMSBe the interference power of adjacent cell multimedia broadcast/user in multicast service, N
0It is thermal noise.
Based on such scheme,, described multimedia broadcast/group broadcast service user's signal to noise ratio is calculated according to following formula:
In this computing formula, P
MBMSBe multimedia broadcast/group broadcast service solid size road available signal power, P
Other_JDBe to include the adjacent sub-district of joint-detection in code channel signal power, I
OwnBe this area interference power, β
ThisBe this community associated detection inhibiting factor, I
Own_JDBe the interference power that this sub-district is included joint-detection in, I
OtherBe adjacent area interference power, β
AdjacentBe adjacent community associated detection inhibiting factor, I
Other_JDIt is the interference power that adjacent sub-district is included joint-detection in.
The present invention is according to the characteristics of TD-SCDMA mobile communication system, speech business data and multimedia service data are distributed in the different descending time slots, with speech business and multimedia service mixing carrying out networking, and downlink resource is reasonably distributed according to the own characteristic of two kinds of business, therefore, compare with existing network, can be more reasonable, effectively utilize Internet resources, distribute each professional shared resource ratio neatly.
Description of drawings
Fig. 1 is the professional and professional resource allocation schematic diagram that mixes networking of MBMS of TD-SCDMA system voice;
Fig. 2 is the professional and professional system testing framework flow chart that mixes networking of MBMS of TD-SCDMA system voice;
Fig. 3 is the signal to noise ratio statistics figure of MBMS business after the professional mixed networking of TD-SCDMA system voice business and MBMS.
Embodiment
Below in conjunction with specific embodiment content of the present invention is done detailed description.
In 3GPP, a time division multiple access (TDMA) frame comprises two subframes, and (TS0～TS6) form, conventional time slot is as transmitting user data or control information by three special time slots and seven conventional time slots for each subframe.In these seven conventional time slots, TS0 always comes transmitting system broadcast message (at single carrier cell, usually not bearer service) as descending time slot regularly, and TS1 is always regularly as ascending time slot.Other conventional time slot can be configured to upstream or downstream as required neatly, to realize the transmission of asymmetric traffic.The characteristics of speech business are the professional symmetries of up-downgoing, and the MBMS business features is unidirectional descending, and how reasonably the allocation of downlink resource is the emphasis of hybrid network.
The present invention's one specific embodiment adopts the networking of clover Directing Station mode, and the time slot allocation ratio of uplink and downlink is set at 3: 3, three sectors, three descending time slots (TS4, TS5, TS6) compartment of terrain distributes the professional and CS12.2k business of MBMS.As shown in Figure 1, each sub-district all is the center with the base station, is made of three sectors, and each sector represents that with a regular hexagon what oblique line was filled this sector transmission of expression is the MBMS business datum, and what grid was filled this sectored transmissions of expression is the speech business data.From Fig. 1 the coordinate diagram of below as can be seen, all have two sectors transmitting the speech business data at TS4, TS5, TS6 in three descending time slot place time periods, have a sector transmitting the MBMS business datum; And the MBMS business datum is that a chronomere transmits in each sector to alternate cycles with a time slot, specifically selects which conventional time slot can set flexibly as descending time slot in actual applications.
Because the each department actual demand is different, the transmission demand of two kinds of business datums might be also different, therefore, can be according to actual needs with the time slot allocation ratio of up-downgoing be set at 2: 4,1: 5 etc., in descending time slot, can set plural sectored transmissions MBMS business datum, if a plurality of sectors transmit the MBMS business simultaneously, a plurality of MBMS sector can be divided in groups or with speech business sector cross-distribution, cycle alternation switches and uses then.
According to the clover Directing Station networking mode that Fig. 1 adopted, single time slot downlink system to be tested, every test parameter is set as follows: the uplink and downlink timeslot ideal synchronisation of each sub-district; The undesirable quadrature of downgoing channelized codes, employing multiuser detection; 8 yuan of smart antennas, positioning transceiving are adopted in the base station, and travelling carriage adopts omnidirectional's transmitting-receiving, and intelligent wave beam forming is adopted in speech business, and the MBMS business is a broadcast wave bean shaping.
In test implementation example based on Fig. 1, setting sector 1 (Sector1) is the MBMS business, sector 2 (Sector2), sector 3 (Sector3) are speech business, sector 1 is the upper right quarter hexagonal area of each base station among the figure, sector 2 is the right lower quadrant hexagonal area of each base station among the figure, and sector 3 is the left side hexagonal area of each base station among the figure.The various basic parameters of input on testing equipment, as: terminal parameter, base station parameter, antenna parameter, Simulation Control parameter etc.; Then, move repeatedly snapshot and calculate interference between the user, and and then calculate the received signal to noise ratio (C/I) of each terminal, statistics sub-district output interruption rate.Present embodiment is a situation professional at 128k MBMS and the mixed identical networking of speech business, adopts said method to carry out system testing, and provides concrete parameter and test result, and general steps is as follows:
Steps A is determined various parameters, specifically comprises: single antenna gain, feeder loss, power control surplus, the end make an uproar, base station terminal height, code channel power, the activation of service factor, penetration loss, nonorthogonal factor, IRF interference reduction factor, business objective C/I etc.; In actual applications, determine that specifically which parameter is relevant with the producer equipment performance;
Step B, the constructing system test platform is tested according to the flow process that Fig. 2 provides;
Step C, the snapshot of every result data of each time point is obtained and write down to iteration, adds up the ratio that voice user, MBMS user do not satisfy the C/I thresholding respectively, and record voice user and MBMS user's distance and interruption rate;
Step D by distance statistics MBMS user's C/I distribution situation, provides chart and analysis.
Below in conjunction with Fig. 2 the testing process of step B is described in detail:
Step 1: test macro carries out assignment to determined every test parameter, and the value of each parameter is set according to concrete vendor equipment performance, execution in step 2 after assignment finishes;
Step 2: test macro is determined the base station number, if use clover Directing Station networking mode networking as described in Figure 1,19 base stations have 57 sectors, and test macro obtains and write down supplemental characteristics such as the horizontal ordinate, height of each base station, and execution in step 3 then;
Step 3: whether test macro obtains voice user and MBMS user's C/I according to snapshot loop ends condition judgment snapshot circulation finishes; If do not finish, then execution in step 4, if finish then to jump out the snapshot circulation, and the test result data statistics of execution in step 17; Generally, the termination condition of snapshot circulation is set at an enough big cycle-index value;
Step 4: test macro is set up the parameter information that the base station information array is used to preserve each base station, and each base station parameter information initializing that will produce in step 2 is in the base station information array, and execution in step 5 then;
Step 5: from then on step begins to enter the circulation that adds access customer.Add a user at random entering circulation back test macro, obtain and information such as recording user position, execution in step 6 then.Described herein being meant at random in all cell range that comprise at test macro randomly drawed;
Step 6: test macro calculates institute and adds the path loss that access customer arrives each sector, and the sector of path loss minimum is defined as user's ownership sector, and execution in step 7 then;
Step 7: test macro determines whether to admit this initiate user according to the capacity of described user attaching sector, and as if smaller or equal to this sector capacity, then execution in step 5, on the contrary execution in step 8 then;
Step 8: test macro is admitted this initiate user, and execution in step 9 then;
Step 9: test macro is judged whether the user adds and is finished, if more than or equal to maximum total access customer number of setting, then add the execution in step 10 that finishes; If less than maximum total access customer number of setting, then continue to add next new user's execution in step 5; Usually, system preestablishes the maximum access customer number that allows in single sub-district according to the test scale, is set at 8 in the present embodiment;
Step 10: test macro calculates user's gain according to each user position, and smart antenna can carry out wave beam forming to each user, and calculates mutual interference according to the relative position between the user;
Step 11: test macro is set up the user profile array and is used to preserve the parameters information that newly adds access customer, and with parameter initializations such as each user's Initial Trans, smart antenna gains in the user profile array, execution in step 12 then;
Step 12: from then on step begins to enter voice user's power control iterative cycles, and test macro at first uses following formula to calculate each voice user's C/I:
Wherein, P
VoiceBe speech business solid size road available signal power, v
VoiceBe speech business activity factor (being generally 0.6), α is the orthogonal factor of down link, I
OwnBe this sub-district speech business interference power (not including joint-detection in), β
ThisBe this community associated detection inhibiting factor, I
Own_JDBe the interference power that this sub-district is included joint-detection in, I
OtherBe adjacent area interference power (not including joint-detection in), β
AdjacentBe adjacent community associated detection inhibiting factor, I
Other_JDBe the interference power that adjacent sub-district is included joint-detection in, v
MBMSBe the activity factor (being generally 1) of MBMS business, I
MBMSBe adjacent cell MBMS user's interference power, N
0It is thermal noise.
Here, the computational methods of available signal power are:
P
VoiceThe 8 antenna transmitting power+base stations, solid size road of=base station assigns are to the active loss of Traffic Channel antenna gain-Traffic Channel of this user; Wherein, the base station comprises single antenna gain and figuration gain to user's Traffic Channel antenna gain, and the active loss of Traffic Channel comprises model loss, shadow fading, feeder loss, human body loss etc.
Step 13: according to the result that step 12 obtained, test macro is adjusted voice user's transmitting power, and execution in step 14 then;
Step 14: test macro carries out overload power control to the transmitting power of base station, and execution in step 15 then;
Step 15: test macro adopts desirable power control, and judges according to the power control number of times of setting whether power control finishes, if then execution in step 16; If not, execution in step 12 then; Described power control number of times is generally 50 times by default;
Step 16: test macro uses following formula to calculate the C/I that each MBMS inserts the user;
For the MBMS business, its snr computation formula is:
Wherein, P
MBMSBe MBMS business sheet code channel available signal power, P
Other_JDBe to include the adjacent sub-district of joint-detection in code channel signal power, I
OwnBe this area interference power, β
ThisBe this community associated detection inhibiting factor, I
Own_JDBe the interference power that this sub-district is included joint-detection in, I
OtherBe adjacent area interference power (not including joint-detection in), β
AdjacentBe adjacent community associated detection inhibiting factor, I
Other_JDIt is the interference power that adjacent sub-district is included joint-detection in.
Here, P
MBMSComputational methods be:
P
MBMSThe 8 antenna transmitting power+base stations, solid size road of=base station assigns are to the active loss of antenna gain-Traffic Channel of this user; Wherein, the base station comprises single antenna gain and broadcasting gain to user's antenna gain, and the active loss of Traffic Channel comprises model loss, shadow fading, feeder loss, human body loss etc.
Behind the C/I that has calculated MBMS access user, store this snapshot circulation object information, execution in step 3 then, the new snapshot circulation once of beginning.
Step 17: carry out the statistics of test result data, the result data that obtains in the snapshot circulation is carried out statistical analysis.
By analysis to test result data, under the pure voice networking situation, during radius 650m, voice user's interruption rate 1.96%, MBMS user's interruption rate under this radius during pure MBMS networking is 47.85%, and voice user and MBMS user's interruption rate when adopting mixed network-building method of the present invention are respectively 2.40%, 39.87%; Because voice user's interruption rate of the mixed networking of 650m radius greater than 2%, is adjusted radius to 600m, this moment, interruption rate was respectively 1.96%, 37.92%.Under above-mentioned several situation, MBMS user's C/I distribution situation as shown in Figure 3, abscissa is represented the distance of user present position apart from center of housing estate, ordinate is represented this position user C/I average.Among Fig. 3, test result when the curve of " * " sign is 650 meters of pure MBMS networking radiuses, the curve of " zero " sign is voice and the MBMS mixed networking radius simulation result when being 650 meters, and the curve that " △ " identifies is voice and the MBMS mixed networking radius simulation result when being 600 meters.As can be seen from Figure 3, descending all sectors all are under the situation of MBMS business, its signal to noise ratio is starkly lower than the signal to noise ratio under the hybrid network situation, illustrates that the hybrid network of disclosed speech business and MBMS business has reduced mutual interference by contrast to a certain extent.
By above-mentioned example measuring and calculating as can be known, the interference that single sector MBMS business is brought is slightly larger than the interference that 8 voice users bring, and promptly for the voice user, a sector is introduced the MBMS business and can be added large disturbance slightly, for MBMS user, two sectors change the voice user into and can reduce interference.
The present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those skilled in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1, the method for the mixed networking of a kind of speech business and multimedia broadcast/group broadcast service is characterized in that, comprises the steps: at least
Steps A: network side is that chronomere transmits descending multimedia broadcast/group broadcast service data with the time slot in one or more sectors of sub-district, and the while is transmitted the speech business data in the descending time slot of other sector of same sub-district;
Step B: network side in next descending time slot, switches to other sector with the multimedia broadcast/group broadcast service data and transmits after the transmission of the multimedia broadcast/group broadcast service data of finishing current time slots, current sector.
2, the method for the mixed networking of speech business as claimed in claim 1 and multimedia broadcast/group broadcast service, it is characterized in that, among the step B, described switching is meant circularly by same and is directed downwards one or next group sector and switches, covers all sectors of described sub-district.
3, the method for the mixed networking of speech business as claimed in claim 2 and multimedia broadcast/group broadcast service is characterized in that described descending time slot takies three conventional time slots; The networking of clover Directing Station mode is adopted in described sub-district, three sectors, three descending time slot compartment of terrains distribute multimedia broadcast/group broadcast service and speech business.
4, as the method for claim 2 or 3 described speech businesses and the mixed networking of multimedia broadcast/group broadcast service, it is characterized in that 8 yuan of smart antennas, positioning transceiving are adopted in described sub-district; Travelling carriage adopts omnidirectional's transmitting-receiving; Intelligent wave beam forming is adopted in speech business, and multimedia broadcast/group broadcast service is a broadcast wave bean shaping.
5, the method for testing of the mixed networking of a kind of speech business and multimedia broadcast/group broadcast service is characterized in that, comprises the steps:
Step 1: the test parameter to test macro carries out the initialization assignment, and definite base station number and positional information;
Step 2: carry out the snapshot circulation, the snapshot of every result data of each time point is obtained and write down to iteration, add up voice user, multimedia broadcast/group broadcast service user respectively and do not satisfy the ratio of signal-noise ratio threshold and record voice user and multimedia broadcast/group broadcast service user's distance and interruption rate; Execution in step 3 after the snapshot loop ends;
Step 3: the snapshot data that obtains in the step 2 is carried out statistical analysis.
6, the method for testing of the mixed networking of speech business as claimed in claim 5 and multimedia broadcast/group broadcast service is characterized in that, the circulation of snapshot described in the step 2 comprises the steps:
Step 21: judge whether snapshot finishes, if then execution in step 3; If not, then set up base station information array and initialization assignment, execution in step 22 then;
Step 22: add access customer and foundation and initialization user profile array at random;
Step 23: the signal to noise ratio of carrying out power control iterative cycles and computing voice user;
Step 24: calculate multimedia broadcast/group broadcast service user's signal to noise ratio, calculate the back execution in step 21 that finishes.
7, the method for testing of the mixed networking of speech business as claimed in claim 6 and multimedia broadcast/group broadcast service is characterized in that, comprises the steps: in the described step 22
Step 221: add a user at random;
Step 222: determine the user attaching sector and initiate to insert request to the ownership sector, admit as if the base station, then execution in step 223, if the base station fails to admit, then execution in step 221;
Step 223: this user is admitted in described base station, judges then whether user's interpolation finishes in this snapshot circulation, finishes if add, and then execution in step 224; Otherwise execution in step 221;
Step 224: calculate the smart antenna gain of being admitted between the user, execution in step 23 after the initialization user profile array.
8, the method for testing of the mixed networking of speech business as claimed in claim 7 and multimedia broadcast/group broadcast service is characterized in that, comprises the steps: in the step 23
Step 231: the signal to noise ratio of calculating each access base station user according to voice user's signal to noise ratio formula;
Step 232: adjust voice user's transmitting power according to the voice user's that obtains signal to noise ratio, and at the base station end voice user is carried out overload power and control;
Step 233: judge according to the power control iterated conditional whether the power control iteration finishes, if finish, then execution in step 24; If do not finish, then execution in step 231.
9, the method for testing of the mixed networking of speech business as claimed in claim 8 and multimedia broadcast/group broadcast service is characterized in that described voice user's signal to noise ratio is calculated according to following formula:
In this computing formula, P
VoiceBe speech business solid size road available signal power, v
VoiceBe the speech business activity factor, α is the orthogonal factor of down link, I
OwnBe this sub-district speech business interference power, β
ThisBe this community associated detection inhibiting factor, I
Own_JDBe the interference power that this sub-district is included joint-detection in, I
OtherBe adjacent area interference power, β
AdjacentBe adjacent community associated detection inhibiting factor, I
Other_JDBe the interference power that adjacent sub-district is included joint-detection in, v
MBMSBe the activity factor of multimedia broadcast/group broadcast service, I
MBMSBe the interference power of adjacent cell multimedia broadcast/user in multicast service, N
0It is thermal noise.
10, the method for testing of the mixed networking of speech business as claimed in claim 8 and multimedia broadcast/group broadcast service is characterized in that described multimedia broadcast/group broadcast service user's signal to noise ratio is calculated according to following formula:
In this computing formula, P
MBMSBe multimedia broadcast/group broadcast service solid size road available signal power, P
Other_JDBe to include the adjacent sub-district of joint-detection in code channel signal power, I
OwnBe this area interference power, β
ThisBe this community associated detection inhibiting factor, I
Own_JDBe the interference power that this sub-district is included joint-detection in, I
OtherBe adjacent area interference power, β
AdjacentBe adjacent community associated detection inhibiting factor, I
Other_JDIt is the interference power that adjacent sub-district is included joint-detection in.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102761893A (en) * | 2012-08-06 | 2012-10-31 | 广州市粤讯臻优通讯科技有限公司 | Method for processing test data in communities of base station |
| CN103200534A (en) * | 2012-01-10 | 2013-07-10 | 华为技术有限公司 | Method, device and system of trunking communication |
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| CN1219372C (en) * | 2002-07-08 | 2005-09-14 | 华为技术有限公司 | Transmission method for implementing multimedia broadcast and multicast service |
| GB2408172B (en) * | 2003-11-12 | 2007-11-14 | Ipwireless Inc | Method and apparatus for improved throughput in a communication system |
| CN1960228B (en) * | 2006-08-22 | 2011-11-30 | 中兴通讯股份有限公司 | Method for multiplexing aerial channels of mobile multimedia broadcast |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103200534A (en) * | 2012-01-10 | 2013-07-10 | 华为技术有限公司 | Method, device and system of trunking communication |
| CN103200534B (en) * | 2012-01-10 | 2016-08-17 | 华为技术有限公司 | A kind of method of trunking communication, Apparatus and system |
| CN102761893A (en) * | 2012-08-06 | 2012-10-31 | 广州市粤讯臻优通讯科技有限公司 | Method for processing test data in communities of base station |
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