CN103052075B - A kind of coordination approach and device of co-channel interference - Google Patents
A kind of coordination approach and device of co-channel interference Download PDFInfo
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- CN103052075B CN103052075B CN201110310212.6A CN201110310212A CN103052075B CN 103052075 B CN103052075 B CN 103052075B CN 201110310212 A CN201110310212 A CN 201110310212A CN 103052075 B CN103052075 B CN 103052075B
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Abstract
The invention discloses a kind of coordination approach of co-channel interference and device, the above method includes：Radio network controller (RNC) establishes user message table to high speed packet service, and after obtaining the information of user of quality of service deterioration, the association user of the quality of service of above-mentioned user is interfered according to user message table inquiry, then sends timesharing dispatch notification respectively to above-mentioned user's own base station and above-mentioned association user own base station；After above-mentioned base station is notified, scheduling slot and the scheduling user of timesharing scheduling are needed according to the base station for including in above-mentioned notice, and corresponding user is dispatched in the corresponding period.The present invention executes co-channel interference judgement and the interference coordination of high speed packet service with base station and radio network controller, can guarantee the accuracy of judgement, interference coordination is more effective, can promote user throughput, improves system performance.
Description
Technical field
The present invention relates to high in the interference coordination technique more particularly to 3-G (Generation Three mobile communication system) in wireless communication field
The minizone co-channel interference coordination approach and device of fast Packet Service.
Background technology
In order to cope with the lasting development of mobile subscriber being on the increase with data service, 3-G (Generation Three mobile communication system) passes through
3GPP (3rd Generation Partnership Project, third generation partner program) introduces high speed downlink packet
Access (High Speed Downlink Packet Access, HSDPA) and high speed uplink packet access (High Speed
Uplink PacketAccess, HSUPA) technology, effectively improve message transmission rate.However high speed packet service is transmitting
In the process, if the same frequency user by neighboring community interferes, data transmission performance will be seriously affected.Especially cell edge
User, since farther out, transmission power is larger apart from base station, it will cause larger co-channel interference to the user of its neighboring community.
Therefore it needs to design suitable co-channel interference coordination strategy to high speed packet service.
High speed packet service is by radio network controller dividing frequency resource and by base station dynamic dispatching, and how in resource
The co-channel interference between neighboring community is adjudicated and evaded during distribution and traffic scheduling, is high speed packet service co-channel interference association
The key of tune.
Prior art has disclosed high speed packet service co-channel interference coordination approach mainly include it is following two：
The first is the spatial position that user is adjudicated by base station, and by radio network controller
Each cell is divided into multiple area of space by (RNC, Radio Network Controller), then passes through phase
Be staggered the adjacent area of space of scheduling between adjacent cell, to evade minizone co-channel interference.For details, reference can be made to publication numbers for this method
For CN102045724A, entitled
The Chinese patent application of " inter-cell interference coordination method and device for high-speed packet access ".However this method
Middle base station can only safeguard the user location of this cell, can not obtain the user location of neighboring community, therefore not know this cell
Whether user causes co-channel interference to the user of neighboring community really, is easy to happen erroneous judgement.It is adjacent small in the case of erroneous judgement
The section dispatcher-controlled territory that is staggered is nonsensical, shortens user's available scheduling time instead, is unfavorable for promoting gulping down for user
The amount of spitting.In addition, this method provides only the timesharing scheduling strategy in time domain, it is same to evade that there is no the adjustment in conjunction with frequency resource
Frequency interferes.
When to be radio network controller for second be high speed packet service dividing frequency resource, pass through the position for adjudicating user
And interference level, and by the user of different location distribution on corresponding carrier type, it is dry to evade the same frequency between neighboring community
It disturbs.For details, reference can be made to Publication No. CN102036251A, the China of entitled " a method of reduce co-channel interference " for this method
Patent application.The co-channel interference of this method high speed Packet Service is coordinated by radio network controller complete independently, therefore can only be
Be staggered the co-channel interference of neighboring community on frequency domain, and can not evade co-channel interference by base station dynamic dispatching in the time domain, exists
Certain limitation, and the segmentation of frequency resource is also not so good as the dispatching flexibility height of time-domain resource.
In conclusion the co-channel interference coordination approach in prior art high speed packet service is needed there are certain defect
It is subject to perfect.
Invention content
The object of the present invention is to provide a kind of coordination approach of co-channel interference and devices, cannot to solve present technology
Co-channel interference effectively in judgement high speed packet service, coordination strategy underaction, the problem of user throughput can not be promoted.
The present invention solves above-mentioned computational problem by the following technical programs：
A kind of coordination approach of co-channel interference, the above method include the following steps：
Radio network controller (RNC) establishes user message table to high speed packet service, and is obtaining quality of service deterioration
After the information of user, the association user of the quality of service of above-mentioned user is interfered according to the inquiry of above-mentioned user message table, is then distinguished
Timesharing dispatch notification is sent to above-mentioned user's own base station and above-mentioned association user own base station；
After above-mentioned base station is notified, scheduling slot and the scheduling of timesharing scheduling are needed according to the base station for including in above-mentioned notice
User dispatches corresponding user in the corresponding period.
Above-mentioned RNC establishes user message table using following methods：
Above-mentioned RNC is being locally that each serving cell establishes a user message table respectively, is then adjudicated in each serving cell
The position of high-speed packet user and interference adjacent area, and by the identification information, location information of above-mentioned user in each serving cell,
In carrier frequency information and interference adjacent area identification information recording to the corresponding user message table of each serving cell.
Above-mentioned RNC is established after user message table, further includes the steps that following methods safeguard above-mentioned user message table：
When the location information of above-mentioned user, carrier frequency information or interference adjacent area identification information change, above-mentioned RNC updates
Relevant information of the above-mentioned user in corresponding user message table；
When the release of the high speed packet service of above-mentioned user, above-mentioned RNC deletes above-mentioned user in corresponding user message table
In all information；
When there is new user to initiate high speed packet service, above-mentioned RNC by the location information of above-mentioned new user, carrier frequency information and
Interference adjacent area identification information is added in corresponding user message table.
Above-mentioned RNC specifically adjudicates the position of each serving cell high speed grouping user using following methods：
According to the Primary Common Control Physical Channel received signal code power of the serving cell of reporting of user and neighboring community
PCCPCH RSCP, path loss, direction of arrival information, or according to the location information of global positioning system, the institute for adjudicating user is in place
It sets.
Above-mentioned RNC specifically adjudicates the interference adjacent area of each serving cell high speed grouping user using following methods：
According to the Primary Common Control Physical Channel received signal code power of the serving cell of reporting of user and neighboring community
PCCPCH RSCP adjudicate the interference adjacent area of user.
The coordination approach of above-mentioned co-channel interference establishes user in above-mentioned radio network controller (RNC) to high-speed packet user
Further include after information table step：
Base station is detected the quality of service of the high-speed packet user positioned at cell edge, and quality of service is deteriorated
The information reporting of user gives above-mentioned RNC；Or above-mentioned RNC examines the quality of service of the high-speed packet user positioned at cell edge
It surveys.
Above-mentioned base station or above-mentioned RNC specifically use the quality of service of following methods detection high-speed packet user：
According to the instruction of the channel quality of user, carrier/interface ratio, Block Error Rate, bit error rate, or is estimated and detected according to service quality
The quality of service of user.
Above-mentioned RNC specifically uses the association user of the quality of service of the above-mentioned user of following methods inquiry interference：
According to the identification information in the information of above-mentioned user, corresponding user message table is searched；
The interference adjacent area identification information that above-mentioned user is searched in above-mentioned user message table, then arrives above-mentioned interference adjacent area
Location information is searched in user message table close to above-mentioned user, and the use that carrier frequency information is consistent with the carrier frequency information of above-mentioned user
Family；
The user found is the association user for interfering the quality of service of above-mentioned user.
After above-mentioned RNC inquires the association user for interfering the quality of service of above-mentioned user, following steps are also executed：
Judge whether the quantity of the association user found is more than preset user's interference threshold, if so, judging above-mentioned use
Whether family own base station and its association user own base station have been turned on timesharing scheduling；
If so, skipping and sending respectively on other carrier frequency of serving cell where the carrier frequency of above-mentioned user is adjusted to it
Timesharing dispatch notification gives the step of above-mentioned user's own base station and its association user own base station.
The coordination approach of above-mentioned co-channel interference, it is further comprising the steps of：
Above-mentioned RNC judges whether the quality of service of all users of deterioration has restored, if so, notifying corresponding base
It stands and stops the corresponding user of timesharing scheduling.
The present invention also uses following technical scheme：
A kind of co-channel interference conditioning unit, including base station and radio network controller (RNC)；
Above-mentioned RNC for establishing user message table to high speed packet service, and is obtaining the user's of quality of service deterioration
After information, the association user of the quality of service of above-mentioned user is interfered according to the inquiry of above-mentioned user message table, and sends timesharing respectively
Dispatch notification gives above-mentioned user's own base station and above-mentioned association user own base station；
Above-mentioned base station, for needing the scheduling slot that timesharing is dispatched according to the base station for including in the timesharing dispatch notification received
And scheduling user, dispatch corresponding user in the corresponding period.
Above-mentioned base station includes base station side quality detection module and timesharing scheduler module；
Above-mentioned base station side quality judging module, for according to the channel quality indicated value of reporting of user, carrier/interface ratio, accidentally block
Rate, bit error rate, or the quality of service for detecting user is estimated according to service quality；
Above-mentioned timesharing scheduler module, for needing timesharing to dispatch according to the base station for including in the timesharing dispatch notification received
Scheduling slot and scheduling user dispatch corresponding user in the corresponding period.
Above-mentioned RNC includes that information establishes module, maintenance of information module, dispatch notification module, carrier frequency tune mould preparation block and the sides RNC
Quality detection module；
Above- mentioned information establishes module, is used for the identification information of each serving cell users, location information, carrier frequency information and does
It disturbs in adjacent area identification information recording to the corresponding user message table of each serving cell；
Above- mentioned information maintenance module, for when user location moves, or be added in user/exit high speed packet service
When, corresponding user message table is safeguarded；
Above-mentioned dispatch notification module, for when the quality of service of user deteriorates, sending timesharing dispatch notification to corresponding base
It stands, or when the quality of service of user restores, sends and stop timesharing dispatch notification to corresponding base station；
The carrier frequency of above-mentioned carrier frequency tune mould preparation block, the user for deteriorating quality of service is adjusted to its place serving cell
On other carrier frequency；
The above-mentioned sides RNC quality detection module, for according to the channel quality indicated value of reporting of user, carrier/interface ratio, Block Error Rate,
Bit error rate, or the quality of service for detecting user is estimated according to service quality.
Compared with the existing technology, the present invention has following advantageous effects：The present invention is by base station and wireless network control
Device cooperation executes co-channel interference judgement and the interference coordination of high speed packet service, can ensure the accuracy of judgement；And it can be with
The adjustment of the frequency of the timesharing scheduling of base station and radio network controller is combined, interference coordination is relatively reliable and effective, from
And user throughput can be promoted, improve system performance.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and constitutes the part of the present invention, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 be co-channel interference of the present invention coordination approach in preferred embodiment flow chart；
Fig. 2 is the structure chart of the preferred embodiment of the user message table of the present invention；
Fig. 3 is the module frame chart of preferred embodiment in co-channel interference conditioning unit of the present invention.
Specific implementation mode
In order to keep technical problems, technical solutions and advantages to be solved clearer, clear, tie below
Drawings and examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
Fig. 1 be co-channel interference of the present invention coordination approach in preferred embodiment flow chart.As shown in Figure 1, the present embodiment
Method include the following steps：
Step S101：RNC establishes user message table to high-speed packet user；
In above-mentioned steps S101, RNC specifically establishes user message table using following methods：
RNC is being locally that each serving cell establishes a user message table respectively, then adjudicates each serving cell high speed
The position of grouping user and interference adjacent area, and by identification information, location information, the carrier frequency of above-mentioned user in each serving cell
In information and interference adjacent area identification information recording to the corresponding user message table of each serving cell.
In the present invention, RNC specifically adjudicates the position of each serving cell high speed grouping user using following methods：
According to PCCPCH RSCP (the Primary Common Control of the serving cell of reporting of user and neighboring community
Physical Channel Received Signal Code Power, Primary Common Control Physical Channel received signal code work(
Rate), path loss, direction of arrival information, or according to the location information of global positioning system, adjudicate the position of user.
In the present embodiment, RNC adjudicates user according to the serving cell of reporting of user and the PCCPCH RSCP of neighboring community
Location information：
According to the PCCPCH RSCP values of all neighboring communities of reporting of user, the strongest neighboring community of signal quality is obtained；
The PCCPCH of the PCCPCH RSCP values and the strongest neighboring community of signal quality of the serving cell that user is measured
RSCP values are subtracted each other；
If its difference is more than preset position decision threshold, centered on the position of above-mentioned user position, otherwise, above-mentioned use
The position at family is marginal position.
For example, it is assumed that the PCCPCH RSCP for the serving cell that user measures are -65dbm, signal quality is strongest adjacent
The PCCPCH RSCP values of cell are -85dbm, and preset position decision threshold is 15dB, then serving cell and signal quality are most strong
The PCCPCH RSCP differences of neighboring community be 20dB, be more than above-mentioned preset position decision threshold, therefore the position of above-mentioned user
It is set to center.
In the present invention, RNC adjudicates the interference adjacent area of each serving cell high speed grouping user using following methods：
According to the Primary Common Control Physical Channel received signal code power of the serving cell of reporting of user and neighboring community
PCCPCH RSCP adjudicate the interference adjacent area of user.
In the present embodiment, RNC specifically uses the interference adjacent area of following methods judgement user：
The PCCPCH RSCP values of all neighboring communities of reporting of user and preset interference decision threshold are compared one by one
Compared with；
If the PCCPCH RSCP values of neighboring community are more than above-mentioned interference decision threshold, above-mentioned neighboring community is above-mentioned use
The interference adjacent area at family.
In the present embodiment, RNC can grasp the information of all users of each serving cell by establishing user message table, from
And when the quality of service of user deteriorates, the association that the quality of service of interference user can be inquired by user message table is used
Family.
The preferred embodiment of above-mentioned user message table is referring to FIG. 2, as shown in Fig. 2, the structure of user message table includes using
Identification information, location information, carrier frequency information and its interference adjacent area identification information at family.
Further include the step for safeguarding above-mentioned user message table after RNC establishes user message table in above-mentioned steps S101
Suddenly, it specifically includes：
When the location information of user, carrier frequency information or interference adjacent area identification information change, RNC updates user right
Relevant information in the user message table answered；
When the release of the high speed packet service of user, RNC deletes all information of the user in corresponding user message table；
When there is new user to initiate high speed packet service, RNC is by the location information of new user, carrier frequency information and interferes adjacent area
Identification information is added in corresponding user message table.
Step S102：Base station judges the position of user, is made decisions to the quality of service of the user of cell edge；
Between the edge customer for occurring mainly in serving cell due to the co-channel interference of high speed packet service, in step
In S102, base station is not necessarily to carry out business monitoring to all users in serving cell, only need to be to the edge customer of serving cell
Quality of service is monitored.
Base station judges the position of user by the following method in the present embodiment：
Whether the path-loss difference of the serving cell and neighboring community that judge reporting of user is more than preset loss decision gate
Limit, if being then judged to user location center, user location to be otherwise determined as marginal position.
In the present invention, base station can by the following method make decisions the quality of service of user：
According to the instruction of the channel quality of user, carrier/interface ratio, Block Error Rate, bit error rate, or is estimated and adjudicated according to service quality
The quality of service of user.
Preferably, in the present embodiment, base station indicates to carry out the quality of service of user according to the channel quality of reporting of user
Judgement, specific method are：
Judge whether the channel quality indicated value of reporting of user is less than preset quality decision threshold, if then judging above-mentioned
The quality of service of user deteriorates.For example, in TD-SCDMA system, the channel quality indicated value that certain edge customer reports is 40,
And preset quality decision threshold is 45, then can be determined that the quality of service of active user deteriorates.
Step S103：The information reporting for the user that base station deteriorates quality of service is to RNC；
The user information that base station reports includes the identification information of user.
Step S104：It is above-mentioned according to user message table inquiry interference when RNC obtains the information of quality of service deterioration of user
The association user of the quality of service of user；
In the present embodiment, RNC interferes the association user of customer service quality using following methods inquiry：
According to the identification information in the information of above-mentioned user, corresponding user message table is searched；
The interference adjacent area identification information for searching above-mentioned user in above-mentioned user message table again, then arrives above-mentioned interference adjacent area
User message table in search location information close to above-mentioned user, and the use that carrier frequency information is consistent with the carrier frequency information of above-mentioned user
Family；
The user found is the association user for interfering the quality of service of above-mentioned user.
Step S105：RNC judges whether the quantity of the association user found is more than preset user's interference threshold, if then
Execute step S106；
Step S106：Judge whether above-mentioned user's own base station and above-mentioned association user own base station have been turned on timesharing tune
Degree, it is no to then follow the steps S108 if so then execute step S107；
When corresponding base station has had been turned on timesharing scheduling strategy, illustrating that timesharing at this time is dispatched cannot effectively promote user's
Quality of service, at this time above-mentioned RNC frequency domain dispatching strategy can be used, that is, execute step S107, by adjusting user's carrier frequency reduce use
Co-channel interference between family and adjacent area edge customer.
Step S107：Where the carrier frequency of above-mentioned user is adjusted to it on other carrier frequency of serving cell；
For example, certain HSDPA user is in frequency point 10086, there is also another HSDPA frequency points in current service cell
10096, then user can be adjusted to 10096 frequency points.
Step S108：Timesharing dispatch notification is sent respectively to above-mentioned user's own base station and the affiliated base of above-mentioned association user
It stands；
Scheduling slot and the scheduling user of timesharing scheduling are needed in above-mentioned timesharing dispatch notification comprising base station.Due to above-mentioned RNC
Scheduling slot for the setting of each base station is different, and after receiving timesharing dispatch notification to each base station, can be staggered scheduling from time domain,
Evade co-channel interference.
Step S109：Above-mentioned base station needs scheduling slot and the scheduling of timesharing scheduling according to the base station for including in the notice received
User dispatches corresponding user in the corresponding period；
Step S110：After the quality of service of user restores, the information reporting for the user that quality of service is restored in base station is to upper
State RNC；
In step S110, whether the quality of service of user restores equally to be adjudicated by base station, and the decision method taken should be with
Step S102 is consistent, such as base station is the business matter using the channel quality instruction judgement user of reporting of user in step S102
Whether amount, the then quality of service that this step should also use the channel quality instruction of reporting of user to adjudicate user restore.
Specific method can be：When the channel quality indicated value of reporting of user is not less than preset decision threshold, base station is sentenced
The quality of service of fixed above-mentioned user restores.For example, in TD-SCDMA system, channel quality indicated value that certain edge customer reports
It is 50, and preset decision threshold is 45, then can be determined that the quality of service of user restores.
Step S111：RNC judges whether the quality of service of all users of deterioration has restored, if so, notice
Corresponding base station stops the corresponding user of timesharing scheduling.
The preferred embodiment of the coordination approach of co-channel interference of the present invention is described in detail above.However those skilled in the art
It should be appreciated that there is also other embodiments for the coordination approach of co-channel interference of the present invention.For example, above-mentioned steps S102 and step
Be in 103 by base station adjudicate cell edge user quality of service, and report deterioration user information to RNC；Make
For another embodiment, the quality of service of the user of cell edge can also be directly adjudicated by RNC, and obtains deterioration
The information of user, if whether the quality of service for adjudicating user by RNC deteriorates, then correspondingly step S110 can be saved, directly
Whether the quality of service that user is adjudicated by RNC itself restores.
Fig. 3 is the module frame chart of the preferred embodiment of co-channel interference conditioning unit of the present invention, as shown in figure 3, the present embodiment
Device include base station 1 and radio network controller (RNC) 2；
Above-mentioned base station 1, when scheduling for needing timesharing to dispatch according to the base station for including in the timesharing dispatch notification that receives
Section and scheduling user dispatch corresponding user in the corresponding period；
Above-mentioned RNC2 for establishing user message table to high-speed packet user, and is obtaining the user of quality of service deterioration
Information after, the association user of the quality of service of above-mentioned user is interfered according to the inquiry of above-mentioned user message table, and send respectively point
When dispatch notification give above-mentioned user's own base station and above-mentioned association user own base station.
Above-mentioned base station 1 includes base station side quality detection module 11 and timesharing scheduler module 12；
Above-mentioned base station side quality detection module 11, for according to the channel quality instruction of reporting of user, carrier/interface ratio, accidentally block
Rate, bit error rate, or the quality of service for monitoring user is estimated according to service quality；
Above-mentioned timesharing scheduler module 12, for needing timesharing to dispatch according to the base station for including in the timesharing dispatch notification received
Scheduling slot and scheduling user, dispatch corresponding user in the corresponding period.
Above-mentioned RNC2 includes that information establishes module 21, maintenance of information module 22, dispatch notification module 23, carrier frequency tune mould preparation block
The sides 24 and RNC quality detection module 25；
Above- mentioned information establishes module 21, for by the identification information of each serving cell users, location information, carrier frequency information and
It interferes in adjacent area identification information recording to the corresponding user message table of each serving cell；
Above- mentioned information maintenance module 22, for when user location moves, or be added in user/exit high speed packet service
When, corresponding user message table is safeguarded；
Above-mentioned dispatch notification module 23, for when the quality of service of user deteriorates, sending timesharing dispatch notification to corresponding
Base station, or when the quality of service of user restores, send and stop timesharing dispatch notification to corresponding base station；
The carrier frequency of above-mentioned carrier frequency tune mould preparation block 24, the user for deteriorating quality of service is adjusted to serving cell where it
Other carrier frequency on；
The above-mentioned sides RNC quality detection module 25, for according to the channel quality indicated value of reporting of user, carrier/interface ratio, accidentally block
Rate, bit error rate, or the quality of service for monitoring user is estimated according to service quality.
Above description has shown and described the preferred embodiment of the present invention, but as previously described, it should be understood that the present invention is not
It is confined to form disclosed herein, is not to be taken as excluding other embodiments, and can be used for various other combinations, modification
And environment, and can be carried out by the above teachings or related fields of technology or knowledge in the scope of the invention is set forth herein
Change.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be in institute of the present invention
In attached scope of the claims.
Claims (12)
1. a kind of coordination approach of co-channel interference, which is characterized in that the described method comprises the following steps：
Radio network controller (RNC) establishes user message table to high-speed packet user, and in obtaining the high-speed packet user
After the information for the user that quality of service deteriorates, interfere the user's of the quality of service deterioration according to user message table inquiry
The association user of quality of service, then send respectively user's own base station that timesharing dispatch notification deteriorates to the quality of service and
The association user own base station；
After the base station is notified, the scheduling slot of timesharing scheduling and scheduling is needed to use according to the base station for including in the notice
Corresponding user is dispatched in family in the corresponding period；
Wherein, the RNC specifically establishes user message table using following methods：
The RNC is being locally that each serving cell establishes a user message table respectively, then adjudicates each serving cell high speed
The position of grouping user and interference adjacent area, and by the identification information of high-speed packet user, position described in each serving cell
In information, carrier frequency information and interference adjacent area identification information recording to the corresponding user message table of each serving cell.
Further include following 2. according to the method described in claim 1, it is characterized in that, the RNC is established after user message table
The step of safeguarding the user message table：
When the location information of the high-speed packet user, carrier frequency information or interference adjacent area identification information change, the RNC
Update relevant information of the high-speed packet user in corresponding user message table；
When the release of the high speed packet service of the high-speed packet user, the RNC deletes the user and believes in corresponding user
Cease all information in table；
When there is new user to initiate high speed packet service, the RNC is by location information, carrier frequency information and the interference of the new user
Adjacent area identification information is added in corresponding user message table.
3. according to the method described in claim 2, it is characterized in that, the RNC specifically uses each service of following methods judgement small
The position of area's high speed grouping user：
According to the Primary Common Control Physical Channel received signal code work(of the serving cell of high-speed packet reporting of user and neighboring community
Rate PCCPCH RSCP, path loss, direction of arrival information, or according to the location information of global positioning system, judgement high-speed packet is used
The position at family.
4. according to the method described in claim 2, it is characterized in that, the RNC specifically uses each service of following methods judgement small
The interference adjacent area of area's high speed grouping user：
According to the Primary Common Control Physical Channel received signal code work(of the serving cell of high-speed packet reporting of user and neighboring community
Rate PCCPCH RSCP adjudicate the interference adjacent area of high-speed packet user.
5. according to the method described in claim 1, it is characterized in that, being used high-speed packet in the radio network controller (RNC)
Family further includes after establishing user message table step：
Base station is detected the quality of service of the high-speed packet user positioned at cell edge, and the user that quality of service is deteriorated
Information reporting give the RNC；Or the RNC is detected the quality of service of the high-speed packet user positioned at cell edge.
6. according to the method described in claim 5, it is characterized in that, the base station or the RNC specifically use following methods to examine
Survey the quality of service of high-speed packet user：
It is estimated according to the instruction of the channel quality of high-speed packet user, carrier/interface ratio, Block Error Rate, bit error rate, or according to service quality
Detect the quality of service of high-speed packet user.
7. according to the method described in claim 6, it is characterized in that, the RNC is specifically used described in following methods inquiry interference
The association user of the quality of service for the user that quality of service deteriorates：
According to the identification information in the information of the user of quality of service deterioration, corresponding user message table is searched；
Then the interference adjacent area identification information that the user that the quality of service deteriorates is searched in the user message table arrives described
Interfere and search the user that deteriorates close to the quality of service of location information in the user message table of adjacent area, and carrier frequency information with it is described
The consistent user of carrier frequency information for the user that quality of service deteriorates；
The user found is the association user of the quality of service for the user for interfering the quality of service to deteriorate.
8. the method according to the description of claim 7 is characterized in that the RNC inquires the quality of service for interfering the user
Association user after, also execute following steps：
Judge whether the quantity of the association user found is more than preset user's interference threshold, if so, judging the business matter
It measures the user's own base station deteriorated and its whether association user own base station has been turned on timesharing scheduling；
If so, where the carrier frequency for the user that the quality of service deteriorates is adjusted to it on other carrier frequency of serving cell, jump
It crosses and sends user's own base station that timesharing dispatch notification deteriorates to the quality of service and its association user own base station respectively
Step.
9. according to the method described in claim 1, it is characterized in that, the method is further comprising the steps of：
The RNC judges whether the quality of service of all users of deterioration has restored, if so, notice corresponding base station stops
The only corresponding user of timesharing scheduling.
10. a kind of co-channel interference conditioning unit, including base station and radio network controller (RNC), it is characterised in that：
The RNC, for establishing user message table, and the business matter in obtaining the high-speed packet user to high-speed packet user
After the information for measuring the user deteriorated, the business matter of the user of the quality of service deterioration is interfered according to user message table inquiry
Then the association user of amount sends the user's own base station and the pass that timesharing dispatch notification deteriorates to the quality of service respectively
It is combined family own base station；
The base station, for needing the scheduling slot and tune that timesharing is dispatched according to the base station for including in the timesharing dispatch notification received
User is spent, corresponding user is dispatched in the corresponding period；
Wherein, the user message table includes the identification information, location information of high-speed packet user described in each serving cell, load
Frequency information and interference adjacent area identification information.
11. device according to claim 10, which is characterized in that the base station include base station side quality detection module and
Timesharing scheduler module；
The base station side quality detection module, for according to the channel quality indicated value of reporting of user, carrier/interface ratio, Block Error Rate, mistake
Bit rate, or the quality of service for detecting user is estimated according to service quality；
The timesharing scheduler module, for needing the scheduling that timesharing is dispatched according to the base station for including in the timesharing dispatch notification received
Period and scheduling user dispatch corresponding user in the corresponding period.
12. device according to claim 10, which is characterized in that the RNC includes that information establishes module, maintenance of information mould
Block, dispatch notification module, carrier frequency tune mould preparation block and the sides RNC quality detection module；
Described information establishes module, for the identification information of each serving cell users, location information, carrier frequency information and interference is adjacent
In area's identification information recording to the corresponding user message table of each serving cell；
Described information maintenance module, for when user location moves, or be added in user/when exiting high speed packet service, it is right
Corresponding user message table is safeguarded；
The dispatch notification module is used to, when the quality of service of user deteriorates, send timesharing dispatch notification to corresponding base station, or
When the quality of service of user restores, sends and stop timesharing dispatch notification to corresponding base station；
The carrier frequency tune mould preparation block, serving cell where the carrier frequency of the user for deteriorating quality of service is adjusted to it other
On carrier frequency；
The sides RNC quality detection module, for according to the channel quality indicated value of reporting of user, carrier/interface ratio, Block Error Rate, accidentally ratio
Special rate, or the quality of service for detecting user is estimated according to service quality.
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| CN105792222B (en) * | 2014-12-23 | 2020-02-11 | 中兴通讯股份有限公司 | Method for eliminating co-channel interference, detection method and device and base station |
| CN106488574B (en) * | 2015-08-31 | 2020-02-04 | 展讯通信（上海）有限公司 | Data transmission scheduling method and mobile terminal |
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| CN101282566A (en) * | 2007-04-03 | 2008-10-08 | 中兴通讯股份有限公司 | Interference suppression method |
| CN101765141A (en) * | 2008-12-23 | 2010-06-30 | 中兴通讯股份有限公司 | Method for coordinating interferences among HSUPA substricts in TD - SCDMA system |
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| CN101765141A (en) * | 2008-12-23 | 2010-06-30 | 中兴通讯股份有限公司 | Method for coordinating interferences among HSUPA substricts in TD - SCDMA system |
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