CN101420760B - Edge customer scheduling method and device - Google Patents
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Abstract
The embodiment of the invention relates to an edge user scheduling method and a device thereof, wherein, the edge user scheduling method comprises the following steps: determining the strongest interference neighbor cells of the same station of the edge user of a cell as cell-level neighbor cells of the same station; determining degree of interference of the cell-level neighbor cells of the same station on the cell; determining a position relation among the cell-level neighbor cells of the same station according to the degree of interference, and scheduling the edge user of the cell according to the position relation. The edge user scheduling method and device help perform corresponding time domain coordination of the edge users on the neighbor cells of the same station at different positions by determining the position relation among the neighbor cells of the same station, thus reducing the interference among the cells of the same station and improving the performance of the edge user and coverage rate of the cell.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of edge customer scheduling method and device.
Background technology
At Long Term Evolution (Long Term Evolution, LTE) in the system, the frequency band of whole system can be used in a sub-district, thereby, presence of intercell interference is arranged inevitably, and particularly in the cell edge area, it is bigger that performance is influenced by presence of intercell interference, so must compensate the influence of presence of intercell interference, improve fringe region user's the rate of information throughput and the covering power of system to systematic function.
At present, main presence of intercell interference compensation technique has: presence of intercell interference randomized technique, presence of intercell interference cancellation technology and Inter-Cell Interference Coordination technology.Wherein, the presence of intercell interference randomized technique is in chnnel coding/carry out scrambler at random after interweaving, and perhaps uses dissimilar frequency hoppings to upset interference signal, suppresses the interference of terminal; The presence of intercell interference cancellation technology is based on the method that suppresses of disturbing, and suppresses by use many antennas to finish spatial interference at portable terminal; The Inter-Cell Interference Coordination technology is resource to be used retrain, and promptly avoids interference by coordinating the minizone resource allocation.
But find in realizing process of the present invention: above-mentioned presence of intercell interference randomized technique adopts the mode of physical layer encodes, scrambler or frequency hopping to realize, the complexity height, and interference suppressioning effect is poor; The presence of intercell interference cancellation technology relies on hardware, carries out the Interference Cancellation of physics mode, the complexity height, and cost is big, and interference suppressioning effect is poor.
Summary of the invention
The embodiment of the invention provides a kind of edge customer scheduling method and device, Cell Edge User is dispatched with the position relation of adjacent area, station to realize the cell-level that basis is determined, thereby reduce the interference of minizone, improve the throughput of edge customer and the coverage rate of sub-district; And realize simple.
The embodiment of the invention provides a kind of edge customer scheduling method, and this method comprises:
The strongest interference in the colocated station adjacent area of Cell Edge User is defined as cell-level with the adjacent area, station;
Determine that described cell-level is with the annoyance level of adjacent area, station to this sub-district;
Determine the position relation of described cell-level according to described annoyance level, described Cell Edge User is dispatched according to described position relation with the adjacent area, station;
Wherein, describedly determine that according to described annoyance level described cell-level comprises with the position relation of adjacent area, station: determine with adjacent area, upper end, station with adjacent area, lower end, station according to described annoyance level.
The embodiment of the invention provides a kind of edge customer scheduling device, and this device comprises:
First determining unit is used for the strongest interference in the colocated station adjacent area of Cell Edge User is defined as cell-level with the adjacent area, station;
Second determining unit is used for determining that the definite cell-level of described first determining unit is with the annoyance level of adjacent area, station to this sub-district;
Scheduling unit, the cell-level that is used for determining according to described second determining unit is determined the position relation of described cell-level with the adjacent area, station with the adjacent area, station to the annoyance level of this sub-district, according to described position relation described Cell Edge User is dispatched;
Wherein, describedly determine that according to described annoyance level described cell-level comprises with the position relation of adjacent area, station: determine with adjacent area, upper end, station with adjacent area, lower end, station according to described annoyance level.
Above-mentioned edge customer scheduling method and device, by determining position relation with the adjacent area, station, can coordinate accordingly to this sub-district with the adjacent edge customer in upper and lower side adjacent area, station, reduced with the interference between the sub-district, station, improved the performance of edge customer and the coverage rate of sub-district, and realized simple.
Description of drawings
Fig. 1 is the flow chart of edge customer scheduling method embodiment one of the present invention;
Fig. 2 is the flow chart of edge customer scheduling method embodiment two of the present invention;
The weighted value that Fig. 3 determines according to the foregoing description for the present invention determines that the position with the adjacent area, station concerns the flow chart of embodiment;
Fig. 4 is the schematic diagram of weighted value of the present invention adjacent area embodiment after upgrading;
Fig. 5 is the process schematic diagram of expansion embodiment one in path of the present invention;
Fig. 6 is the process schematic diagram of expansion embodiment two in path of the present invention;
Fig. 7 concerns the schematic diagram of embodiment for the position, adjacent area of path of the present invention expansion after finishing;
Fig. 8 is the structural representation of edge customer scheduling device embodiment of the present invention.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
As shown in Figure 1, be the flow chart of edge customer scheduling method embodiment one of the present invention, this method comprises:
Step 101, the strongest interference in the colocated station adjacent area of above-mentioned Cell Edge User is defined as cell-level with the adjacent area, station;
Before execution in step 101, can also comprise: determine Cell Edge User;
Step 102, determine above-mentioned cell-level with the adjacent area, station to the annoyance level of this sub-district;
Step 102 can comprise: reported to the number of times of strong jamming adjacent area by above-mentioned Cell Edge User with the adjacent area, station according to above-mentioned cell-level and determine the annoyance level of above-mentioned cell-level with the adjacent area, station;
Step 103, determine the position relation of above-mentioned cell-level, above-mentioned Cell Edge User is dispatched according to above-mentioned definite position relation with the adjacent area, station according to above-mentioned annoyance level.
Above-mentioned cell-level comprises with adjacent area, upper end, station with adjacent area, lower end, station with the position relation of adjacent area, station, the above-mentioned position relation of determining adjacent area, the same station of above-mentioned cell-level according to above-mentioned annoyance level, according to above-mentioned position relation above-mentioned Cell Edge User is dispatched and can be comprised: determine above-mentionedly according to above-mentioned annoyance level, can dispatch to this sub-district with adjacent area, upper end, station or this sub-district with the adjacent edge customer in adjacent area, lower end, station with adjacent area, upper end, station with adjacent area, lower end, station according to above-mentioned with adjacent area, upper end, station with adjacent area, lower end, station.
Above-mentioned edge customer scheduling method, by determining position relation with the adjacent area, station, and then this sub-district dispatched with staggering on the different time with station upper and lower side adjacent area adjacent edge customer, reduced to have improved the performance of edge customer and the coverage rate of sub-district with the interference between the sub-district, station.
As shown in Figure 2, be the flow chart of edge customer scheduling method embodiment two of the present invention, this method comprises:
Wherein, can determine Cell Edge User in the following manner: receive this sub-district of reporting of user and Reference Signal Received Power (the Reference Signal Received Power of adjacent area, RSRP) measured value is set up the also neighboring BS information tabulation of maintenance customer's level according to above-mentioned Reference Signal Received Power RSRP measured value; According to the neighboring BS information tabulation of above-mentioned user class, determine Cell Edge User;
Wherein, set up and the neighboring BS information tabulation of maintenance customer's level is specifically as follows according to above-mentioned Reference Signal Received Power RSRP measured value: the Reference Signal Received Power RSRP measured value of the adjacent area of reporting of user according to from big to small sequence arrangement, is set up and the neighboring BS information tabulation of maintenance customer's level; Neighboring BS information tabulation according to above-mentioned user class, determine that Cell Edge User is specifically as follows: when the RSRP measured value of this sub-district in the tabulation of the neighboring BS information of above-mentioned user class with when the RSRP measured value of strong adjacent area differs less than setting threshold, determine that the user is Cell Edge User, otherwise, determine that the user is Cell Center User; Above-mentioned setting threshold can be provided with according to Inter-Cell Interference Coordination sphere of action, community user throughput etc.; Above-mentioned threshold value can be relative threshold, also can be absolute threshold;
Step 202, judge whether the strong jamming adjacent area of Cell Edge User is the interference in the colocated station adjacent area, if then execution in step 203, otherwise, carry out other operation;
When the strong jamming adjacent area of Cell Edge User is during with the adjacent area, station, set up and safeguard the same station neighboring BS information tabulation of cell-level;
Wherein, this weighted value has reflected the annoyance level between this cell i and same station adjacent area j, can be according to formula
Obtain the weighted value with the adjacent area, station, wherein, j represents that cell-level is with adjacent area, station, M
iThe number of the edge customer that the expression cell i is adjacent with sub-district j,
Edge customer reports the number of times of the strongest interference in the colocated station adjacent area j in the expression cell i; In addition, under special case, if be that the same station neighboring BS information of j (is w with there not being sequence number in the neighboring BS information tabulation of station with the station cell-level that reports of cell i
I, j=0), but with the sub-district that reports of sub-district j, station is that the same station neighboring BS information of i (is w with including sequence number in the neighboring BS information tabulation of station
J, i〉=1), at this moment, then will be made as minimum value to the routine weight value with station sub-district j with the station cell i, can set in advance as this minimum value is 0.5, then w
I, j=0.5;
Can will be defined as with the position relation of adjacent area, station according to above-mentioned weighted value with adjacent area, upper end, station with adjacent area, lower end, station;
Can be to this sub-district with dispatch on the different time with the adjacent edge customer in adjacent area, lower end of standing together adjacent area, upper end, station or this sub-district together, for example the edge customer adjacent with the adjacent area, upper end of standing together dispatched when odd-numbered frame to this sub-district, the edge customer adjacent with the adjacent area, lower end of standing together to this sub-district dispatched when even frame, perhaps to this sub-district with dispatch when the even frame with the adjacent edge customer in adjacent area, station upper end, to this sub-district with dispatch when the odd-numbered frame with the adjacent edge customer in adjacent area, lower end, station; Also can be by the mode of time binding, for example per three time intervals dispatch to this sub-district with the adjacent edge customer in adjacent area, upper end, station; In addition, also can be this sub-district of loading big edge customer distribution three unit interval adjacent with the adjacent area, upper end of standing together, this sub-district that is to load little with distribute unit interval or the like with the adjacent edge customer in adjacent area, lower end, station, thereby can stagger interference effect between the strong jamming sub-district in time.
Above-mentioned edge customer scheduling method, by determining position relation with the adjacent area, station, and then this sub-district dispatched with staggering on the different time with station upper and lower side adjacent area adjacent edge customer, reduced to have improved the performance of edge customer and the coverage rate of sub-district with the interference between the sub-district, station.
Further, as shown in Figure 3, determine that for the weighted value that the present invention determines according to the foregoing description the position of adjacent area, same station concerns the flow chart of embodiment, this process comprises:
Any one sub-district in the adjacent area after can selecting as shown in Figure 4 weighted value to upgrade, for example sub-district 0 is the starting point sub-district, expands to the path of weighted value maximum then, as shown in Figure 5, path expander is 0 → 5 → 2 → 1 → 4 → 1 for the first time, and the path of Cheng Huan is 1 → 4 → 1, thereby 1
4 is a binary ring;
Above-mentioned closed ring can comprise binary annular and non-binary annular; After expanding into a closed ring, just not further expansion of the sub-district on this annular, for example, if the expansion back forms a closed ring, all sub-districts on can annular are set to dispose, as being set to by the sign of all sub-districts on the annular dispose; For example above-mentioned 1
4 is a binary ring, thereby sub-district 1 and sub-district 4 are set to dispose.Except that the sub-district that is set to dispose, the starting point sub-district of selecting once more to choose first continues to expand according to the path of weighted value maximum, promptly continue from the sub-district 0 and carry out the path expansion, as shown in Figure 6, path expander is for the second time: 0 → 5 → 2 → 3 → 5, obtain closed ring 5 → 2 → 3 → 5, and sub-district 5, sub-district 2 and sub-district 3 also are set to dispose; Can not form closed ring again this moment, this shows, sub-district 0 is isolated sub-district; Particular location with the adjacent area, station concerns as shown in Figure 7, above-mentioned closed ring comprises binary annular and non-binary annular, so-called binary annular is for having only the annular of two sub-districts, so-called non-binary annular is the closed ring that has more than or equal to three sub-districts, and with having a plurality of binary rings and non-binary ring in the adjacent area, station;
In addition, if above-mentioned starting point sub-district has been configured in the annular, then select a sub-district to carry out the path expansion in the sub-district that can never be set to dispose arbitrarily;
Have only the sub-district, same station on the non-binary ring, just existence is with the position relation of upper and lower side adjacent area, station, and its upper end is the annular expansion direction, and the lower end is the annular expansion opposite direction.According to the annular expansion direction, the next sub-district on certain sub-district annular expansion direction is its adjacent area, upper end, same station; This sub-district is called with adjacent area, lower end, station.According to annular expansion in the other direction, this sub-district is that the next sub-district on the annular expansion opposite direction is its adjacent area, lower end, same station with adjacent area, upper end, station.Wherein, above-mentioned dimension is determined by following method: selecting cell-level arbitrarily is the starting point sub-district with a sub-district in the neighboring BS information tabulation of station, expands according to the path of weighted value maximum.
For example, for binary annular 1
4, there is not position relation with upper and lower side adjacent area, station, for non-binary annular 5 → 2 → 3 → 5, the adjacent area, upper end, same station of sub-district 5 is sub-district 2, is sub-district 3 with adjacent area, lower end, station; The adjacent area, upper end, same station of sub-district 2 is sub-district 3, and the adjacent area, lower end, same station of sub-district 2 is sub-district 5.
This shows, pass through said process, can determine position relation with the adjacent area, station, and then be the edge customer on the adjacent area, same station of diverse location to be carried out corresponding time domain coordinate to get ready, thereby can reduce with the interference between the sub-district, station, improve the performance of edge customer and the coverage rate of sub-district, and do not influence the coordination throughput of sub-district as far as possible.
As shown in Figure 8, be the structural representation of edge customer scheduling device embodiment of the present invention, this device comprises: first determining unit 1 is used for the strongest interference in the colocated station adjacent area of Cell Edge User is defined as cell-level with the adjacent area, station; Second determining unit 2 is used for the same annoyance level of adjacent area to this sub-district of standing of cell-level of determining that above-mentioned first determining unit 1 is determined; Scheduling unit 3, the cell-level that is used for determining according to above-mentioned second determining unit 2 is determined the position relation of above-mentioned cell-level with the adjacent area, station with the adjacent area, station to the annoyance level of this sub-district, according to above-mentioned position relation above-mentioned Cell Edge User is dispatched.
Wherein, above-mentioned annoyance level can be reported the number of times for strong jamming adjacent area to reflect with the adjacent area, station by described Cell Edge User by cell-level, thereby above-mentioned second determining unit 2 can be used for according to above-mentioned cell-level with the adjacent area, station by above-mentioned Cell Edge User report for the number of times of strong jamming adjacent area determine above-mentioned cell-level with the adjacent area, station weighted value, above-mentioned weighted value be the annoyance level with adjacent area, station and this minizone.
In addition, in order to determine Cell Edge User, above-mentioned edge customer scheduling device can also comprise: edge customer determining unit 4 is used for determining Cell Edge User; Above-mentioned first determining unit 1 is defined as cell-level with the adjacent area, station with the strongest interference in the colocated station adjacent area of the Cell Edge User that above-mentioned edge customer determining unit 4 is determined.Above-mentioned edge customer determining unit 4 can comprise: set up maintenance module 41, be used to receive the Reference Signal Received Power RSRP measured value of this sub-district and the adjacent area of reporting of user, set up and the neighboring BS information tabulation of maintenance customer's level according to above-mentioned Reference Signal Received Power RSRP measured value; Determination module 42 is used for the neighboring BS information tabulation according to the above-mentioned user class of setting up maintenance module foundation and safeguarding, determines Cell Edge User.
Further, the above-mentioned maintenance module of setting up can be used for the Reference Signal Received Power RSRP measured value of the adjacent area of reporting of user according to from big to small sequence arrangement, sets up and the neighboring BS information tabulation of maintenance customer's level.And when the RSRP measured value of this sub-district in the tabulation of the neighboring BS information of above-mentioned user class with when the RSRP measured value of strong adjacent area differs less than setting threshold, above-mentioned determination module can be defined as Cell Edge User with the user in this sub-district.When above-mentioned second determining unit is determined the weighted value of adjacent area, the same station of above-mentioned cell-level, can be according to formula
Determine the weighted value of above-mentioned cell-level with the adjacent area, station, wherein, j represents that cell-level is with adjacent area, station, M
iThe number of the edge customer that the expression cell i is adjacent with sub-district j,
Edge customer reports the number of times of the strongest interference in the colocated station adjacent area j in the expression cell i.
In addition, above-mentioned cell-level comprises with adjacent area, upper end, station with adjacent area, lower end, station with the position relation of adjacent area, station.Above-mentioned scheduling unit 3 may further include: expansion module 31, being used for selecting arbitrarily cell-level is the starting point sub-district with a sub-district of station neighboring BS information tabulation, path to the weighted value maximum is expanded, until not forming closed ring again, above-mentioned closed ring comprises binary annular and non-binary annular; Concern determination module 32, be used for non-binary annular along the next sub-district on the annular expansion direction adjacent area, upper end, same station as current area, with non-binary annular along the same station lower end adjacent area of the next sub-district of annular expansion in the other direction as current area; Wherein, above-mentioned dimension is determined by following method: selecting cell-level arbitrarily is the starting point sub-district with a sub-district in the neighboring BS information tabulation of station, expands to the path of weighted value maximum; Scheduler module 33 is used for dispatching to this sub-district with adjacent area, upper end, station adjacent edge customer and this sub-district and the adjacent edge customer in adjacent area, lower end of standing together according to concerning the adjacent area, upper end, same station that determination module is determined and the adjacent area, lower end of standing together.
Above-mentioned edge customer scheduling device, determine Cell Edge User by the edge customer determining unit, determine that by first determining unit cell-level is with the adjacent area, station, by determining the annoyance level of cell-level in second determining unit with the adjacent area, station, determine the position relation of above-mentioned cell-level by scheduling unit with the adjacent area, station, and Cell Edge User is dispatched, thereby reduced to have improved the performance of edge customer and the coverage rate of sub-district with the interference between the sub-district, station according to above-mentioned position relation.
Edge customer scheduling device in the foregoing description can be included in the base station.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention.
Claims (16)
1. edge customer scheduling method is characterized in that comprising:
The strongest interference in the colocated station adjacent area of Cell Edge User is defined as cell-level with the adjacent area, station;
Determine that described cell-level is with the annoyance level of adjacent area, station to this sub-district;
Determine the position relation of described cell-level according to described annoyance level, described Cell Edge User is dispatched according to described position relation with the adjacent area, station;
Wherein, describedly determine that according to described annoyance level described cell-level comprises with the position relation of adjacent area, station: determine with adjacent area, upper end, station with adjacent area, lower end, station according to described annoyance level.
2. edge customer scheduling method according to claim 1 is characterized in that described definite described cell-level comprises with the annoyance level of adjacent area, station to this sub-district:
Reported to the number of times of strong jamming adjacent area by described Cell Edge User with the adjacent area, station according to described cell-level and to determine the weighted value of described cell-level with the adjacent area, station, described weighted value be the annoyance level with adjacent area, station and this minizone.
3. edge customer scheduling method according to claim 1 and 2 is characterized in that described the strongest interference in the colocated station adjacent area with Cell Edge User is defined as cell-level with also comprising before the adjacent area, station:
Determine Cell Edge User.
4. edge customer scheduling method according to claim 3 is characterized in that described definite Cell Edge User comprises:
Receive this sub-district of reporting of user and the Reference Signal Received Power RSRP measured value of adjacent area, set up the also neighboring BS information tabulation of maintenance customer's level according to described Reference Signal Received Power RSRP measured value;
According to the neighboring BS information tabulation of described user class, determine Cell Edge User.
5. edge customer scheduling method according to claim 4 is characterized in that described neighboring BS information tabulation according to described Reference Signal Received Power RSRP measured value foundation and maintenance customer's level comprises:
The Reference Signal Received Power RSRP measured value of the adjacent area of reporting of user according to from big to small sequence arrangement, is set up and the neighboring BS information tabulation of maintenance customer's level.
6. edge customer scheduling method according to claim 4 is characterized in that described neighboring BS information tabulation according to described user class, determines that Cell Edge User comprises:
When the RSRP measured value of this sub-district in the tabulation of the neighboring BS information of described user class with when the RSRP measured value of strong adjacent area differs less than setting threshold, determine that the user is Cell Edge User.
7. edge customer scheduling method according to claim 2 is characterized in that described being reported by described Cell Edge User with the adjacent area, station according to described cell-level determine described cell-level for the number of times of strong jamming adjacent area and comprise with the weighted value of adjacent area, station:
According to formula
Determine the weighted value of described cell-level with the adjacent area, station, wherein, j represents that cell-level is with adjacent area, station, M
iThe number of the edge customer that the expression cell i is adjacent with sub-district j,
Edge customer reports the number of times of the strongest interference in the colocated station adjacent area j in the expression cell i.
8. edge customer scheduling method according to claim 1 is characterized in that describedly determining to comprise with adjacent area, upper end, station with adjacent area, lower end, station according to described annoyance level:
Selecting cell-level arbitrarily is the starting point sub-district with a sub-district in the neighboring BS information tabulation of station, expands to the path of weighted value maximum, and until not forming closed ring again, described closed ring comprises binary annular and non-binary annular;
With non-binary annular along the next sub-district on the annular expansion direction adjacent area, upper end, same station as current area, with non-binary annular along the same station lower end adjacent area of the next sub-district of annular expansion in the other direction as current area;
Wherein, described dimension is determined by following method: selecting cell-level arbitrarily is the starting point sub-district with a sub-district in the neighboring BS information tabulation of station, expands to the path of weighted value maximum.
9. edge customer scheduling device is characterized in that comprising:
First determining unit is used for the strongest interference in the colocated station adjacent area of Cell Edge User is defined as cell-level with the adjacent area, station;
Second determining unit is used for determining that the definite cell-level of described first determining unit is with the annoyance level of adjacent area, station to this sub-district;
Scheduling unit, the cell-level that is used for determining according to described second determining unit is determined the position relation of described cell-level with the adjacent area, station with the adjacent area, station to the annoyance level of this sub-district, according to described position relation described Cell Edge User is dispatched;
Wherein, describedly determine that according to described annoyance level described cell-level comprises with the position relation of adjacent area, station: determine with adjacent area, upper end, station with adjacent area, lower end, station according to described annoyance level.
10. edge customer scheduling device according to claim 9, it is characterized in that described second determining unit is used for being reported to the number of times of strong jamming adjacent area by described Cell Edge User with the adjacent area, station according to described cell-level determines the weighted value of described cell-level with the adjacent area, station, and described weighted value be the annoyance level with adjacent area, station and this minizone.
11., it is characterized in that also comprising according to claim 9 or 10 described edge customer scheduling devices:
The edge customer determining unit is used for determining Cell Edge User;
Described first determining unit is defined as cell-level with the adjacent area, station with the strongest interference in the colocated station adjacent area of the Cell Edge User that described edge customer determining unit is determined.
12. edge customer scheduling device according to claim 11 is characterized in that described edge customer determining unit comprises:
Set up maintenance module, be used to receive the Reference Signal Received Power RSRP measured value of this sub-district and the adjacent area of reporting of user, set up and the neighboring BS information tabulation of maintenance customer's level according to described Reference Signal Received Power RSRP measured value;
Determination module is used for the neighboring BS information tabulation according to the described user class of setting up maintenance module foundation and safeguarding, determines Cell Edge User.
13. edge customer scheduling device according to claim 12, it is characterized in that the described maintenance module of setting up is used for the Reference Signal Received Power RSRP measured value of the adjacent area of reporting of user according to from big to small sequence arrangement, set up and the neighboring BS information tabulation of maintenance customer's level.
14. edge customer scheduling device according to claim 12, it is characterized in that when the RSRP measured value of this sub-district in the tabulation of the neighboring BS information of described user class and when the RSRP measured value of strong adjacent area differed less than setting threshold, described determination module was used for the user of this sub-district is defined as Cell Edge User.
15. edge customer scheduling device according to claim 10 is when is characterized in that described second determining unit is determined the weighted value of adjacent area, the same station of described cell-level, according to formula
Determine the weighted value of described cell-level with the adjacent area, station, wherein, j represents that cell-level is with adjacent area, station, M
iThe number of the edge customer that the expression cell i is adjacent with sub-district j,
Edge customer reports the number of times of the strongest interference in the colocated station adjacent area j in the expression cell i.
16. edge customer scheduling device according to claim 10 is characterized in that described scheduling unit comprises:
The expansion module, being used for selecting arbitrarily cell-level is the starting point sub-district with a sub-district of station neighboring BS information tabulation, expands to the path of weighted value maximum, until not forming closed ring again, described closed ring comprises binary annular and non-binary annular;
Concern determination module, be used for non-binary annular along the next sub-district on the annular expansion direction adjacent area, upper end, same station as current area, with non-binary annular along the same station lower end adjacent area of the next sub-district of annular expansion in the other direction as current area; Wherein, described dimension is determined by following method: selecting cell-level arbitrarily is the starting point sub-district with a sub-district in the neighboring BS information tabulation of station, expands to the path of weighted value maximum;
Scheduler module is used for dispatching to this sub-district with adjacent area, upper end, station adjacent edge customer and this sub-district and the adjacent edge customer in adjacent area, lower end of standing together according to concerning the adjacent area, upper end, same station that determination module is determined and the adjacent area, lower end of standing together.
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| CN102204310B (en) * | 2011-05-17 | 2014-12-10 | 华为技术有限公司 | Resource allocation method, apparatus and base station |
| CN105792277B (en) * | 2011-09-26 | 2019-06-28 | 华为技术有限公司 | Interference control method and equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2505906A (en) * | 2012-09-13 | 2014-03-19 | Vodafone Ip Licensing Ltd | Multicoordinated Scheduling based on the geographical location of a mobile device |
| GB2505906B (en) * | 2012-09-13 | 2014-11-26 | Vodafone Ip Licensing Ltd | Multicoordination scheduling |
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