CN102026210B - Radio resource management methods for cell portion - Google Patents

Radio resource management methods for cell portion Download PDF

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Publication number
CN102026210B
CN102026210B CN 200910092995 CN200910092995A CN102026210B CN 102026210 B CN102026210 B CN 102026210B CN 200910092995 CN200910092995 CN 200910092995 CN 200910092995 A CN200910092995 A CN 200910092995A CN 102026210 B CN102026210 B CN 102026210B
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cell portion
base station
rnc
uppch
network side
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CN102026210A (en
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陈迎
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TD Tech Ltd
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TD Tech Ltd
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Abstract

The invention discloses a radio resource management methods for a cell portion, comprising a cell fragment configuration method, an uplink pilot channel (UpPCH) position updating method, an uplink and downlink closed loop power control method, an access method, a load balancing method and the like, wherein the cell fragment configuration method comprises the following steps of: reporting whether each cell managed by a base station supports the cell portion or not to a radio network controller (RNC) by the base station; for all the cells supporting the cell portion, dividing the channel environments of the cells into N cell portions by the RNC; for each cell portion, configuring a cell portion mark and informing to the base station by the RNC; and for the existing common attribute parameters configured according to the cells or carriers, configuring the common attribute parameter corresponding to each cell portion by taking each cell portion under each carrier as the unit by the RNC. The radio resource management under the cell portion scene can be implemented by utilizing the radio resource management methods.

Description

The radio resource management method of cell portion
Technical field
The present invention relates to particularly relate to the radio resource management method in the cell portion scene by the radio resource management techniques in communication system.
Background technology
The TD-SCDMA system adopts intelligent antenna technology, the port number of antenna more (basically adopting at present 8 passages or 6 passages), each passage again can be independently uses as the single channel antenna, so gives smart antenna and single antenna is used in combination and a plurality of single antenna is used in combination possibility is provided.
And the antenna that has occurred a plurality of identical or different types in a residential quarter in present TD-SCDMA system covers respectively the situation of zones of different.For example, cover a residential quarter under the scene of different floors, can adopt a passage to cover the residential quarter coverage mode of first floor; Under the high-speed train scene, in order to improve the area coverage of a residential quarter, can be in a residential quarter with many or organize the antenna cover line of high-speed railway more.
In order further to improve the performance of RRM in above-mentioned scene, the concept of cell portion (CELL PORTION) has been proposed at present, cell portion is the geographical zone of the part in the residential quarter, a residential quarter is comprised of a plurality of cell portions, and different cell portions is covered by different antennas or antenna sets.Under the scene that adopts cell portion, base station (NodeB) will be according to cell portion to RNC reporting measurement value, system will carry out take cell portion as unit the management of Radio Resource, and the management of this Radio Resource relates to the methods such as the configuration, power control of location, the UpPCH of the configuration of cell portion, subscriber equipment (UE).And the present radio resource management method that not yet proposes for the cell portion scene.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of collocation method of cell portion, and the method can realize under the cell portion scene configuration to each cell portion.Another object of the present invention is to provide other radio resource management methods in the cell portion scene, comprise location updating method, up-downgoing close-loop power controlling method, access method, load-balancing method of UpPCH etc.
In order to achieve the above object, the technical scheme of the present invention's proposition is:
A kind of collocation method of cell portion, the method comprises the following steps:
Whether a1, base station (NodeB) support cell partitioning report to radio network controller (RNC) each residential quarter of its management;
A2, for each residential quarter of supporting cell portion, described RNC is divided into N cell portion according to the channel circumstance of this residential quarter with it, N is natural number;
A3, for each described cell portion, cell portion of described RNC configuration identifies and notifies to described base station;
A4, for existing each public attribute parameter according to residential quarter or carrier wave configuration, described RNC each cell portion under each carrier wave configures corresponding this public attribute parameter of each cell portion as unit.
Preferably, the method comprises the following steps:
B1, network side are measured the measurement parameter that is used for positioning UE on antenna channels corresponding to each cell portion, and described measurement parameter is received signal code power, signal interference ratio or transmission code power;
B2, network side are defined as cell portion corresponding to the described measurement result of maximum the cell portion at described UE place.
Preferably, described step b2 further comprises:
Network side calculate except maximum measurement result each described measurement result respectively with difference or the ratio of maximum measurement result;
The cell portion that network side will be defined as described UE place less than all differences or the cell portion corresponding to ratio of a predetermined threshold value.
Preferably, described network side is the base station, further comprises after described step b2:
Described base station with the cell partitioning report at determined described UE place to radio network controller (RNC).
5, according to claim 2 or 3 described methods, is characterized in that, the network side in described step b1 is the base station, and the network side in described step b2 is RNC, further comprises between described step b1 and b2:
Described base station reports described RNC with described measurement result;
Further comprise after described step b2:
Described RNC notifies the cell portion at determined described UE place to described base station.
The location updating method of a kind of UpPCH based on above-mentioned collocation method, the method comprises the following steps:
C1, for each default UpPCH interferometry position m in the residential quarter, the UpPCH interference measure I of base station measurement each cell portion on this position N, m, wherein, n is the numbering of cell portion, and n=1...N, N are the quantity of the cell portion in described residential quarter, and m is the numbering of UpPCH interferometry position, and m=1...M, M are the default UpPCH interferometry number of positions in described residential quarter;
C2, network side judge whether the UpPCH interference measure of each cell portion on current UpPCH position all is less than or equal to a default interference threshold, if it is withdraws from described location updating method, otherwise, execution in step c3;
C3, judge in described default UpPCH interferometry position whether exist at least one position to satisfy condition: the UpPCH interference measure of this locational each cell portion all is less than or equal to described interference threshold, if exist, execution in step c4, otherwise execution in step c5;
C4, for each position of satisfying described condition, calculate the mean value of the UpPCH interference measure of these locational all cell portions, with the minimum value corresponding position in all described mean values as the UpPCH position after upgrading;
C5, for each default described UpPCH interferometry position m, calculate and cover the maximum W of UE number on this position mThe mean value of the UpPCH interference measure of individual cell portion, with the minimum value corresponding position in all described mean values as the UpPCH position after upgrading, wherein, 1≤W m
Preferably, described step c4 replaces with:
For each position of satisfying described condition, determine the maximum in the UpPCH interference measure of these locational all cell portions, with the minimum value corresponding position in all described maximums as the UpPCH position after upgrading.
Preferably, described step c5 replaces with:
For default each described UpPCH interferometry position, calculate the maximum in the UpPCH interference measure of these locational all cell portions, with the minimum value corresponding position in all described maximums as the UpPCH position after upgrading.
Preferably, the network side in described step c2 is the base station, further comprises after described step c5:
The UpPCH reporting position of described base station after with described renewal is to radio network controller (RNC).
Preferably, further comprise between described step c1 and c2:
Described base station reports RNC with described UpPCH interference measure;
Network side in described step c2 is RNC, further comprises after described step c5:
The UpPCH position informing of described RNC after with described renewal is to the base station.
A kind of power control method for downward closed loop based on above-mentioned collocation method, the method comprises the following steps:
D1, network side are determined the cell portion at subscriber equipment (UE) place;
D2, radio network controller (RNC) give described UE base station (NodeB) the configurating downlink Initial Trans at place according to area size and the channel circumstance of the cell portion at UE place, and the base station sends according to the cell portion of described Initial Trans at described UE place the information that needs transmission to described UE;
D3, described RNC give the desired value of described UE configuration power control parameters, and described power control parameters is received signal code power (RSCP), signal to noise ratio (SIR) or the error rate (BLER);
D4, needs are carried out the down channel of close-loop power control, described UE is according to the described power control parameters on current this down channel of the information measurement that receives, if described measurement result is less than the desired value of described power control parameters, described UE notifies the transmitting power that described base station increases described down channel, otherwise described UE notifies described base station to reduce the transmitting power of described down channel;
The transmitting power of described down channel is adjusted in d5, described base station according to the notice of described UE, and sends the current information that needs transmission according to this transmitting power to described UE, returns to steps d 4;
Wherein, described steps d 1 comprises:
B1, network side are measured the measurement parameter that is used for positioning UE on antenna channels corresponding to each cell portion, and described measurement parameter is received signal code power, signal interference ratio or transmission code power;
B2, network side calculate each described measurement result respectively with difference or the ratio of maximum measurement result, the cell portion that will be defined as described UE place less than all differences or the cell portion corresponding to ratio of a predetermined threshold value.
A kind of uplink closed-loop power control method of above-mentioned collocation method, the method comprises the following steps:
E1, network side are determined the cell portion at subscriber equipment (UE) place;
E2, radio network controller (RNC) give described UE configuration Initial Trans according to area size and the channel circumstance of the cell portion at UE place; Described RNC is to the desired value of base station configuration power control parameters, and described power control parameters is received signal code power (RSCP), signal to noise ratio (SIR) or the error rate (BLER); Described UE sends the information of needs transmission according to the Initial Trans of current configuration to described base station;
E3, needs are carried out the up channel of close-loop power control, described base station according to the current described information that receives on the cell portion at described UE place, measure the power control parameters on described up channel, if described measurement result is less than the desired value of described power control parameters, described base station notifies described UE to increase the transmitting power of described up channel; Otherwise described base station notifies described UE to reduce the transmitting power of described up channel;
E4, described UE adjust the transmitting power of described up channel according to described notice, and utilize described transmitting power to send the current information that needs transmission to described base station, return to step e3;
Wherein, described step e1 comprises:
B1, network side are measured the measurement parameter that is used for positioning UE on antenna channels corresponding to each cell portion, and described measurement parameter is received signal code power, signal interference ratio or transmission code power;
B2, network side calculate each described measurement result respectively with difference or the ratio of maximum measurement result, the cell portion that will be defined as described UE place less than all differences or the cell portion corresponding to ratio of a predetermined threshold value.
A kind of access method based on above-mentioned collocation method, the method comprises the following steps:
F1, network side are determined the cell portion at each subscriber equipment (UE) place of current access, and determine the UE in each cell portion in the residential quarter according to the cell portion at determined each UE place;
f2, radio management measuring amount for each carrier wave, this radio management measuring amount sum that all UE under each cell portion report is calculated in the base station, obtain the radio management measuring amount of this carrier wave under each cell portion and report radio network controller (RNC), the service rate (HS-DSCH Provided Bit Rate for CELL PORTION) that described radio management measuring amount provides for the HS-DSCH of each cell portion, the service rate (E-DCH Provided Bit Ratefor CELL PORTION) that the service power (HS-DSCH Required Power for CELLPORTION) that the HS-DSCH of each cell portion requires and the E-DCH of each cell portion provide,
F3, for each cell portion, whether exist at least one described measuring amount greater than default access threshold value in the described radio management measuring amount of each carrier wave under this cell portion that described RNC judgement receives, if so, refuse new UE and access this cell portion;
Wherein, in step f1, network side determines that the method for cell portion at each UE place of current access comprises:
B1, network side are measured the measurement parameter that is used for positioning UE on antenna channels corresponding to each cell portion, and described measurement parameter is received signal code power, signal interference ratio or transmission code power;
B2, network side calculate each described measurement result respectively with difference or the ratio of maximum measurement result, the cell portion that will be defined as described UE place less than all differences or the cell portion corresponding to ratio of a predetermined threshold value.
A kind of load-balancing method based on above-mentioned collocation method, the method comprises the following steps:
G1, network side are determined the cell portion at each subscriber equipment (UE) place of current access, and determine the UE in each cell portion in the residential quarter according to the cell portion at determined each UE place;
G2, for the radio management measuring amount of each carrier wave, this radio management measuring amount sum that all UE under each cell portion report is calculated in the base station, obtain the radio management measuring amount of this carrier wave under each cell portion and report radio network controller (RNC), described radio management measuring amount is HS-DSCH Provided BitRate for CELL PORTION, HS-DSCH Required Power for CELL PORTION and E-DCH Provided Bit Rate for CELL PORTION;
G3, for each cell portion, whether exist at least one described measuring amount greater than default balance threshold value in the described radio management measuring amount of each carrier wave under this cell portion that described RNC judgement receives, if so, UE that this cell portion medium priority is minimum moves on the cell portion of least-loaded in other cell portion that covers this UE position or covers in this cell portion on the carrier wave of least-loaded in the carrier wave of this UE position;
Wherein, in step g 1, network side determines that the method for cell portion at each UE place of current access comprises:
B1, network side are measured the measurement parameter that is used for positioning UE on antenna channels corresponding to each cell portion, and described measurement parameter is received signal code power, signal interference ratio or transmission code power;
B2, network side calculate each described measurement result respectively with difference or the ratio of maximum measurement result, the cell portion that will be defined as described UE place less than all differences or the cell portion corresponding to ratio of a predetermined threshold value.
A kind of method of rate control based on above-mentioned collocation method, the method comprises the following steps:
H1, network side are determined the cell portion at each subscriber equipment (UE) place of current access, and determine the UE in each cell portion in the residential quarter according to the cell portion at determined each UE place;
H2, for the radio management measuring amount of each carrier wave, this radio management measuring amount sum that all UE under each cell portion report is calculated in the base station, obtain the radio management measuring amount of this carrier wave under each cell portion and report radio network controller (RNC), described radio management measuring amount is HS-DSCH Provided BitRate for CELL PORTION, HS-DSCH Required Power for CELL PORTION and E-DCH Provided Bit Rate for CELL PORTION;
H3, for each cell portion, whether exist at least one described measuring amount greater than default rate-valve value in the described radio management measuring amount of each carrier wave under this cell portion that described RNC judgement receives, if so, reduce the service rate of the minimum UE of this cell portion medium priority;
Wherein, in step h1, network side determines that the method for cell portion at each UE place of current access comprises:
B1, network side are measured the measurement parameter that is used for positioning UE on antenna channels corresponding to each cell portion, and described measurement parameter is received signal code power, signal interference ratio or transmission code power;
B2, network side calculate each described measurement result respectively with difference or the ratio of maximum measurement result, the cell portion that will be defined as described UE place less than all differences or the cell portion corresponding to ratio of a predetermined threshold value.
In sum, the above-mentioned radio resource management method that the present invention proposes, in the RRM process by take cell portion as unit to various parameters for RRM be configured, the operation such as measurement, make the present invention to carry out respectively correspondingly RRM for each cell portion separately, realized that really the cell portion scene improves the advantage of RRM performance.
Description of drawings
Fig. 1 is the flow chart of the embodiment of the present invention one;
Fig. 2 is the flow chart of the embodiment of the present invention two;
Fig. 3 is the flow chart of the embodiment of the present invention three;
Fig. 4 is the flow chart of the embodiment of the present invention four;
Fig. 5 is the flow chart of the embodiment of the present invention five;
Fig. 6 is the flow chart of the embodiment of the present invention six;
Fig. 7 is the flow chart of the embodiment of the present invention seven;
Fig. 8 is the flow chart of the embodiment of the present invention eight.
Embodiment
Main thought of the present invention is: for the scene of the residential quarter being carried out the cell portion division, network side or UE side are measured the parameter that needs in the RRM process to measure take cell portion as unit, thereby realize being adapted to the RRM of cell portion.The RRM that the present invention proposes comprises the location updating method, uplink and downlink Poewr control method of localization method, the UpPCH of collocation method, the UE of cell portion and comprises access method, load-balancing method, method of rate control etc. for the radio resource management method of HSDPA and HSUPA.
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
The embodiment of the present invention one has proposed a kind of collocation method of cell portion, and Fig. 1 is the flow chart of this embodiment one, and as shown in Figure 1, the method comprises the following steps:
Whether step 101, base station support cell partitioning report to RNC each residential quarter of its management.
Here, whether the base station supports this function of cell portion to notify to RNC each residential quarter, so that RNC carries out the division of cell portion to the residential quarter of supporting cell portion in subsequent process, particularly, the base station can be notified above-mentioned information to RNC by the mode of newly-increased message cell.
Step 102, for each residential quarter of supporting cell portion, described RNC is divided into N cell portion according to the channel circumstance of this residential quarter with it, N is natural number.
Here, in actual applications, RNC will carry out according to the Wireless Application Environment of reality the division of described cell portion, the factor that needs particularly to consider comprises the isolation of zones of different in the actual channel environment, residential quarter of residential quarter, range size that the residential quarter need to cover and shape etc., for example, need to cover with more cell portion for the zone that covers dtr signal, isolation regional preferably generally as different cell portions, can utilize a plurality of cell portions to cover for erose zone.For example: cover the scene in a building for a residential quarter, the mode that can adopt a passage to cover first floor is carried out the covering of residential quarter, and every floor is namely a cell portion.
Step 103, for each described cell portion, cell portion of described RNC configuration identifies and notifies to described base station.
Here by being respectively each cell portion, sign is set, so that the base station manages each cell portion.
Step 104, for existing each public attribute parameter according to residential quarter or carrier wave configuration, described RNC each cell portion under each carrier wave configures corresponding this public attribute parameter of each cell portion as unit.
In this step, will the public attribute parameter of each cell portion be set in order to after this carry out the management of Radio Resource take cell portion as unit for each cell portion.these public attribute parameters are existing each public attribute parameter according to residential quarter or carrier wave configuration, for example: carrier transmit power, the open loop power of common signal channel and shared channel, comprise: Random Access Channel (PRACH) power, feedback channel (E-HICH) power of the dedicated channel that strengthens, auxiliary Common Control Channel (SCCPCH) power, notify from a phone call indicating channel (PICH) power, forward access channel (FACH) power, paging channel (PCH) power, access fast channel (FPACH) power, multicast indicating channel (MICH) power, physics Common Control Channel (PLCCH) power, high speed descending sharing channel (HS-DSCH) power, the initial power of up-downgoing dedicated channel (DPCH), the initial power of the feedback channel (HS-SICH) of the control channel of high speed descending sharing channel (HS-SCCH) and high speed descending sharing channel, the dedicated channel of non-scheduled enhancing (E-DCH) initial power, power basic value (Pebase) initial value of the E-DCH of scheduling, the initial power of the control channel (E-AGCH) of the dedicated channel that strengthens.
By above-described embodiment one, can realize the configuration to each cell portion in system.After utilizing the configuration of each cell portion in the said method completion system, can be further implemented in the UE in system is positioned, concrete localization method will be elaborated by the embodiment of the present invention two.
Fig. 2 is the flow chart that two couples of UE of the embodiment of the present invention locate, and as shown in Figure 2, this embodiment two comprises the following steps:
Step 201, network side are measured the measurement parameter that is used for positioning UE on antenna channels corresponding to each cell portion, and described measurement parameter is received signal code power, signal interference ratio or transmission code power.
In this step, described method of measurement does not repeat them here for it be known to those skilled in the art that.
In actual applications, consider the continuation for the signal of measuring, be chosen in the measurement of carrying out described measurement parameter on the channel that can continue to receive signal as far as possible, the channel that uses when being in different conditions due to UE is different, therefore, for the residing different conditions of UE, the concrete measurement parameter that uses is also with different.For example, during at the IDLE state, described measurement parameter is the received signal code power of UpPCH as UE; When UE was under the CELL_FACH state, described measurement parameter was the RSCP of PRACH channel; When UE was under the CELL_DCH state, described measurement parameter was the RSCP of DPCH.
Step 202, network side are defined as cell portion corresponding to the described measurement result of maximum the cell portion at described UE place.
The corresponding cell portion of the maximum in described measurement result to be defined as the cell portion at UE place in this step.
In actual applications, when the isolation between cell portion was larger, UE only was in a cell portion usually, and the isolation between a plurality of cell portions hour, UE may be in the intersection of a plurality of cell portions, and at this moment, UE may be present in a plurality of cell portions.For rear a kind of scene, step 202 can further comprise the steps, to determine the simultaneous a plurality of residential quarters of UE:
Network side calculate except maximum measurement result each described measurement result respectively with difference or the ratio of maximum measurement result;
The cell portion that network side will be defined as described UE place less than all differences or the cell portion corresponding to ratio of a predetermined threshold value.
In actual applications, the position fixing process of above-mentioned UE can be realized at the place, base station also can realizing at the RNC place.When base station place realizes, afterwards will be by the base station with the cell partitioning report at determined this UE place to RNC; When the RNC place realizes, before the cell portion of definite UE place, will be needed to report RNC for the measurement result of location by the base station, RNC completes behind described location the cell portion at determined this UE place is notified to the base station.
Wherein, above-mentionedly by the base station, the cell partitioning report at determined this UE place will be realized according to the different conditions of UE to the concrete grammar of RNC:
As UE during not at the CELL_DCH state, the base station reports UE place cell portion to identify to RNC by user's face Frame Protocol, particularly, when CELL_FACH that UE supports to strengthen, carries by the E-DCH Frame Protocol; Otherwise, carry by the RACH Frame Protocol.
During at the CELL_DCH state, the base station reports the place cell portion to identify to RNC by special measurement message UE as UE.
By above-described embodiment two, realized under the cell portion scene namely can determining the cell portion at the current place of UE to the location of UE, because cell portion is only a part in the residential quarter, therefore, its positioning accuracy is higher for the existing UE localization method that carries out take the residential quarter as unit.
At present, the UpPCH interferometry position in a residential quarter on each carrier wave has a plurality of, and system will therefrom select a position as the current location of UpPCH.The UpPCH interferometry is that the disturbed condition of several interferometries position under each residential quarter or carrier wave is measured, and this measurement is used for determining and is configured in which interferometry position to UpPCH.In actual applications, should avoid UpPCH is arranged on UpPCH interferometry too large position, and usually in each cell portion the locational disturbed condition of each interferometry be dynamic change, therefore need to monitor the interferometry position of current configuration UpPCH, and when this locational interference is larger to the position of Reconfigurations UpPCH again.
The embodiment of the present invention three has proposed the location updating method of the UpPCH under a kind of cell portion scene.Fig. 3 is the flow chart of this embodiment, and this embodiment three comprises following steps as shown in Figure 3:
Step 301, for each default UpPCH interferometry position m in the residential quarter, the UpPCH interference measure I of base station measurement each cell portion on this position N, m
Wherein, n is the numbering of cell portion, and n=1...N, N are the quantity of the cell portion in described residential quarter, and m is the numbering of UpPCH interferometry position, and m=1...M, M are the default UpPCH interferometry number of positions in described residential quarter.
In this step, take cell portion as unit, measure the UpPCH interference measure I of each locational each cell portion N, mSo that whether needs upgrade after this comprehensively to judge whether to upgrade the position of current UpPCH by needs according to the disturbed condition of each cell portion, and determine new position according to the disturbed condition of each cell portion when needs upgrade, the position that is applicable to the UpPCH of cell portion scene with realization is upgraded.
Step 302, network side judge whether the UpPCH interference measure of each cell portion on current UpPCH position all is less than or equal to a default interference threshold, if it is withdraws from described location updating method, otherwise, execution in step 303.
In this step, when the UpPCH interference measure of judging each cell portion on current UpPCH position when network side all is less than or equal to a default interference threshold, this locational interference of explanation not quite can be accepted by system, does not therefore need to carry out corresponding location update operations; And when the UpPCH interference measure of at least one cell portion on current UpPCH position during greater than this interference threshold, illustrate that the disturbed condition of this current UpPCH position has exceeded the tolerance interval of system, need to carry out corresponding location update operations, will select new position configuration to UpPCH by step 303-305 particularly.
Here, described interference threshold is used for defining the disturbed condition that system tolerates, occurrence can be arranged according to the practical application needs by those skilled in the art, does not repeat them here.
Step 303, judge in described default UpPCH interferometry position whether exist at least one position to satisfy condition: the UpPCH interference measure of this locational each cell portion all is less than or equal to described interference threshold, if exist, execution in step 304, otherwise execution in step 305.
This step is to judge in the residential quarter whether to have at least one disturbed condition in each cell portion all positions preferably in all UpPCH interferometries positions, that is to say, all be less than or equal to interference threshold in the UpPCH of this locational each cell portion interference measure.If there is such position, preferentially be chosen in disturbed condition in each cell portion best position as the reposition of UpPCH in these positions, concrete system of selection is realized by step 304.If there is no such position, the position after again selecting to upgrade in all UpPCH interferometries positions, concrete system of selection realizes by step 305.
Step 304, for each position of satisfying described condition, calculate the mean value of the UpPCH interference measure of these locational all cell portions, with the minimum value corresponding position in all described mean values as the UpPCH position after upgrading.
This step is used for being chosen in the best position of disturbed condition of each cell portion, i.e. the position corresponding to minimum value of the mean value of the UpPCH interference measure by selecting all cell portions.
In actual applications, step 304 also can realize by following method:
For each position of satisfying described condition, determine the maximum in the UpPCH interference measure of these locational all cell portions, with the minimum value corresponding position in all described maximums as the UpPCH position after upgrading.
Step 305, for default each described UpPCH interferometry position, calculate and cover the maximum W of UE number on this position mThe mean value of the UpPCH interference measure of individual cell portion, with the minimum value corresponding position in all described mean values as the UpPCH position after upgrading.
This step is to select disturbed condition best position as the UpPCH position after upgrading in all UpPCH interferometries positions.
Here, in order to reduce the algorithm complex of the present embodiment, here for each position, only select the UpPCH interference measure of this locational part cell portion to calculate, foreclose and just cover the little cell portion of UE quantity, namely calculate everybody and be set up the maximum W of covering UE number m(1≤W m) mean value of UpPCH interference measure of individual cell portion.Particularly, W mDefinite mode can have multiplely, for example set in advance according to actual needs W before selecting when specifically calculating by those skilled in the art mIndividual covering UE counts the smallest region burst, can be also to cover threshold value according to a default UE to determine, namely covers the maximum front W of UE number mThe UE quantity summation that individual cell portion covers equals this UE and covers threshold value.In practical application, those skilled in the art can also select other modes to determine W mAs long as will cover the little cell portion of UE quantity and foreclose.
In actual applications, step 305 also can adopt following manner to realize:
For default each described UpPCH interferometry position, calculate the maximum in the UpPCH interference measure of these locational all cell portions, with the minimum value corresponding position in all described maximums as the UpPCH position after upgrading.
Need to prove, technique scheme is the renewal to the UpPCH position on a carrier wave, the UpPCH interference measure of each cell portion in above-described embodiment three is also the measured value corresponding to this carrier wave, i.e. the UpPCH interference measure of each cell portion on this carrier wave.
in addition, in the location updating method of above-mentioned UpPCH, step 302-305 can realize also can realizing in RNC in the base station, be that network side in these steps is base station or RNC, when being the base station, UpPCH reporting position after the base station needs further will upgrade is to RNC, when being RNC, the base station need to report RNC with the UpPCH interference measure between step 301 and 302, so that monitoring and the renewal of UpPCH position are carried out according to this this measured value in the base station, and afterwards, described RNC need to be with the UpPCH position informing after upgrading to the base station, so that the Information preservation between base station and RNC is consistent.
The embodiment of the present invention four has proposed the power control method for downward closed loop under a kind of cell portion scene, and Fig. 4 is the flow chart of this embodiment four, as shown in Figure 4, comprises the following steps:
Step 401, network side are determined the cell portion at UE place.
This step can adopt the method in embodiment two to realize, that is: UE each cell portion under each carrier wave is measured the measurement parameter that is used for positioning as unit, and described measurement result is reported network side, described measurement parameter is received signal code power, signal interference ratio or transmission code power;
Network side calculate each described measurement result respectively with difference or the ratio of maximum measurement result, will be defined as less than all differences of a predetermined threshold value or cell portion corresponding to ratio the cell portion at this UE place.
Step 402, RNC are given the described UE NodeB configurating downlink Initial Trans at place according to area size and the channel circumstance of the cell portion at UE place, and the base station sends according to the cell portion of described Initial Trans at described UE place the information that needs transmission to described UE;
In this step, the concrete configuration of Initial Trans can be realized according to actual needs by those skilled in the art, not repeat them here.
Step 403, described RNC give the desired value of described UE configuration power control parameters, and described power control parameters is received signal code power (RSCP), signal to noise ratio (SIR) or the error rate (BLER).
Step 404, needs are carried out the down channel of close-loop power control, described UE is according to the described power control parameters on current this down channel of the information measurement that receives, if described measurement result is less than the desired value of described power control parameters, described UE notifies described base station to increase the transmitting power of described down channel; Otherwise described UE notifies described base station to reduce the transmitting power of described down channel.
Here, the down channel that described needs carry out close-loop power control can be the existing channel that is applicable to all use downlink closed-loop power control algorithms, for example: descending DPCH, HS-SCCH, and E-AGCH.
The transmitting power of described down channel is adjusted in step 405, described base station according to the notice of described UE, and sends the current information that needs transmission according to this transmitting power to described UE, returns to step 404.
After executing, this step need return to the power control that step 404 enters next round.
By said method, embodiment four has realized the power control method for downward closed loop under the cell portion scene.Uplink closed-loop power control method under the cell portion scene can adopt similar therewith method to realize.Concrete grammar can be described in detail by the embodiment of the present invention five, and as shown in Figure 5, this embodiment five comprises the following steps:
Step 501, network side are determined the cell portion at UE place.
The implementation method of this step is identical with step 401, does not repeat them here.
Step 502, RNC are given described UE configuration Initial Trans according to area size and the channel circumstance of the cell portion at UE place; Described RNC is to the desired value of base station configuration power control parameters, and described power control parameters is RSCP, SIR or BLER; Described UE sends the information of needs transmission according to the Initial Trans of current configuration to described base station.
In this step, the concrete configuration of Initial Trans can be realized according to actual needs by those skilled in the art, not repeat them here.
Step 503, needs are carried out the up channel of close-loop power control, described base station according to the current described information that receives on the cell portion at described UE place, measure the power control parameters on described up channel, if described measurement result is less than the desired value of described power control parameters, described base station notifies described UE to increase the transmitting power of described up channel; If described measurement result is greater than the desired value of described power control parameters, described base station notifies described UE to reduce the transmitting power of described up channel.
Here, the up channel that described needs carry out close-loop power control can be the channel of all use uplink closed-loop power control algorithms in existing system, for example: up DPCH, non-scheduled E-DCH, Pebase value and the HS-SICH of the E-DCH of scheduling.
In this step, the power control parameters on described up channel is measured in the base station on the cell portion at UE place, and carries out corresponding power adjustment according to measurement result notice UE.Can realize that so, take cell portion as unit, the up channel of UE being carried out power controls.Here, method specifically how to notify UE to carry out corresponding power adjustment according to measurement result can adopt the method identical with existing power control to realize, does not repeat them here.
Step 504, described UE adjust the transmitting power of described up channel according to described notice, and utilize described transmitting power to send the current information that needs transmission to described base station, return to step 503.
In this step, adjust the transmitting power of described up channel as described UE according to described notice and utilized this transmitting power to send the information of current needs transmission, need return to again the power control that step 503 enters next round, to realize the real-time power control to up channel.
(HSUPA) the relevant measurement parameter of high speed downlink packet access (HSDPA) and high speed uplink packet access at present has (HS-DSCH Provided Bit Rate for CELL PORTION), the service rate (E-DCH Provided BitRate for CELL PORTION) that the service power (HS-DSCH Required Power for CELLPORTION) that the HS-DSCH of each cell portion requires and the E-DCH of each cell portion provide, HS-DSCH Provided Bit Rate wherein, HS-DSCHRequired Power is used for HSDPA, E-DCH Provided Bit Rate is used for HSUPA.These measurement parameters are used for HSDPA some wireless resource management algorithms relevant with HSUPA, for example: the access algorithm of HSDPA and HSUPA, HSDPA and HSUPA load-balancing algorithm, HSDPA and HSUPA rate control algorithm etc.These measurement parameters and corresponding radio resource management method can further be optimized under the scene of cell portion.Concrete, will be described in detail by the embodiment of the present invention six, embodiment seven and embodiment eight.
The embodiment of the present invention six provides the access method under a kind of cell portion scene, and figure six is the flow chart of the embodiment of the present invention six, and the method comprises the following steps as shown in figure six:
Step 601, network side are determined the cell portion at each UE place of current access, and determine the UE in each cell portion in the residential quarter according to the cell portion at determined each UE place.
The method of determining each UE place cell portion of current access in this step can adopt the method identical with step 501 to realize, does not repeat them here.
Step 602, for the radio management measuring amount of each carrier wave, this radio management measuring amount sum that all UE under each cell portion report is calculated in the base station, obtains the radio management measuring amount of this carrier wave under each cell portion and reports RNC.
Wherein, described radio management measuring amount is HS-DSCH Provided Bit Rate for CELLPORTION, HS-DSCH Required Power for CELL PORTION and E-DCH ProvidedBit Rate for CELL PORTION.
Step 603, for each cell portion, whether exist at least one described measuring amount greater than default access threshold value in the described radio management measuring amount of each carrier wave under this cell portion that described RNC judgement receives, if so, refuse new UE and access this cell portion.
Here, arranging of described access threshold value can be arranged according to actual needs by those skilled in the art, do not repeat them here.
This step judges the ability of the new UE of each cell portion access by radio management measuring amount corresponding according to each cell portion, and carries out accordingly access and the refusal of new UE, thereby has realized being divided into the residential quarter UE access management of unit.
The embodiment of the present invention seven provides the load-balancing method under a kind of cell portion scene, and figure seven is the flow chart of the embodiment of the present invention seven, and the method comprises the following steps as shown in figure seven:
Step 701, network side are determined the cell portion at each UE place of current access, and determine the UE in each cell portion in the residential quarter according to the cell portion at determined each UE place.
In this step, determine that the method for cell portion at each UE place of current access is identical with step 601, do not repeat them here.
Step 702, for the radio management measuring amount of each carrier wave, this radio management measuring amount sum that all UE under each cell portion report is calculated in the base station, obtains the radio management measuring amount of this carrier wave under each cell portion and reports radio network controller (RNC).
Described radio management measuring amount is HS-DSCH Provided Bit Rate for CELLPORTION, HS-DSCH Required Power for CELL PORTION and E-DCH ProvidedBit Rate for CELL PORTION.
This step is measured the radio management measuring amount that is used for load balance take cell portion as unit, so that the present invention is better according to the performance that obtains the load balance that the radio management measuring amount carried out take cell portion as unit with respect to existing.
Step 703, for each cell portion, whether exist at least one described measuring amount greater than default balance threshold value in the described radio management measuring amount of each carrier wave under this cell portion that described RNC judgement receives, if so, UE that this cell portion medium priority is minimum moves on the cell portion of least-loaded in other cell portion that covers this UE position or covers in this cell portion on the carrier wave of least-loaded in the carrier wave of this UE position.
Here, arranging of described balance threshold value can be arranged according to actual needs by those skilled in the art, do not repeat them here.
This step, carry out the adjustment of load balance aspect take cell portion as unit, namely for each cell portion, when RNC judges when having at least one radio management measuring amount greater than default balance threshold value in the radio management measuring amount of each carrier wave under this cell portion that receives, the load state that current this cell portion is described has exceeded the scope that system can bear, need to be by the UE in this cell portion be carried out migration operation, to guarantee the load balance of system.Particularly, the present embodiment is that the UE that priority is minimum moves in other cell portions or carrier wave, specifically selects in actual applications which UE to adjust and can adopt existing other method to realize, does not repeat them here.
The embodiment of the present invention eight provides the method for rate control under a kind of cell portion scene, and figure eight is the flow chart of the embodiment of the present invention eight, and the method comprises the following steps as shown in figure eight:
A kind of method of rate control of the collocation method based on claim 1 is characterized in that, the method comprises the following steps:
Step 801, network side are determined the cell portion at each UE place of current access, and determine the UE in each cell portion in the residential quarter according to the cell portion at determined each UE place.
In this step, determine that the method for cell portion at each UE place of current access is identical with step 701, do not repeat them here.
Step 802, for the radio management measuring amount of each carrier wave, this radio management measuring amount sum that all UE under each cell portion report is calculated in the base station, obtains the radio management measuring amount of this carrier wave under each cell portion and reports RNC.
Described radio management measuring amount is HS-DSCH Provided Bit Rate for CELLPORTION, HS-DSCH Required Power for CELL PORTION and E-DCH ProvidedBit Rate for CELL PORTION.
This step is measured being used for the radio management measuring amount that speed controls take cell portion as unit, so that the present invention is higher according to obtain the speed control accuracy that the radio management measuring amount carried out take cell portion as unit with respect to existing.
Step 803, for each cell portion, whether exist at least one described measuring amount greater than default rate-valve value in the described radio management measuring amount of each carrier wave under this cell portion that described RNC judgement receives, if so, reduce the service rate of the minimum UE of this cell portion medium priority.
Here, arranging of described rate-valve value can be arranged according to actual needs by those skilled in the art, do not repeat them here.
This step, carry out the speed of UE controls take cell portion as unit, namely for each cell portion, when whether having at least one described measuring amount greater than default rate-valve value in the described radio management measuring amount of each carrier wave under this cell portion that RNC judgement receives, the speed situation that current this cell portion is described has exceeded the scope that system can bear, need by the UE speed in this cell portion is adjusted, to guarantee the normal operation of system.Particularly, the present embodiment is the service rate that reduces the minimum UE of this cell portion medium priority, and the adjustment of specifically selecting in actual applications which UE to carry out speed can adopt existing other method to realize, does not repeat them here.
In sum, these are only preferred embodiment of the present invention, is not for limiting protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (15)

1. the collocation method of a cell portion, is characterized in that, the method comprises the following steps:
Whether a1, base station (NodeB) support cell partitioning report to radio network controller (RNC) each residential quarter of its management;
A2, for each residential quarter of supporting cell portion, described RNC is divided into N cell portion according to the channel circumstance of this residential quarter with it, N is natural number;
A3, for each described cell portion, cell portion of described RNC configuration identifies and notifies to described base station;
A4, for existing each public attribute parameter according to residential quarter or carrier wave configuration, described RNC each cell portion under each carrier wave configures corresponding this public attribute parameter of each cell portion as unit.
2. the subscriber equipment based on the collocation method of claim 1 (UE) localization method, is characterized in that, the method comprises the following steps:
B1, network side are measured the measurement parameter that is used for positioning UE on antenna channels corresponding to each cell portion, and described measurement parameter is received signal code power, signal interference ratio or transmission code power;
B2, network side are defined as cell portion corresponding to the described measurement result of maximum the cell portion at described UE place.
3. method according to claim 2, is characterized in that, described step b2 further comprises:
Network side calculate except maximum measurement result each described measurement result respectively with difference or the ratio of maximum measurement result;
The cell portion that network side will be defined as described UE place less than all differences or the cell portion corresponding to ratio of a predetermined threshold value.
4. according to claim 2 or 3 described methods, is characterized in that, described network side is the base station, further comprises after described step b2:
Described base station with the cell partitioning report at determined described UE place to radio network controller (RNC).
5. according to claim 2 or 3 described methods, is characterized in that, the network side in described step b1 is the base station, and the network side in described step b2 is RNC, further comprises between described step b1 and b2:
Described base station reports described RNC with described measurement result;
Further comprise after described step b2:
Described RNC notifies the cell portion at determined described UE place to described base station.
6. the location updating method based on the UpPCH of the collocation method of claim 1, is characterized in that, the method comprises the following steps:
C1, for each default UpPCH interferometry position m in the residential quarter, the UpPCH interference measure I of base station measurement each cell portion on this position n,m, wherein, n is the numbering of cell portion, and n=1...N, N are the quantity of the cell portion in described residential quarter, and m is the numbering of UpPCH interferometry position, and m=1...M, M are the default UpPCH interferometry number of positions in described residential quarter;
C2, network side judge whether the UpPCH interference measure of each cell portion on current UpPCH position all is less than or equal to a default interference threshold, if it is withdraws from described location updating method, otherwise, execution in step c3;
C3, judge in described default UpPCH interferometry position whether exist at least one position to satisfy condition: the UpPCH interference measure of this locational each cell portion all is less than or equal to described interference threshold, if exist, execution in step c4, otherwise execution in step c5;
C4, for each position of satisfying described condition, calculate the mean value of the UpPCH interference measure of these locational all cell portions, with the minimum value corresponding position in all described mean values as the UpPCH position after upgrading;
C5, for each default described UpPCH interferometry position m, calculate and cover the maximum w of UE number on this position mThe mean value of the UpPCH interference measure of individual cell portion, with the minimum value corresponding position in all described mean values as the UpPCH position after upgrading, wherein, 1≤w m
7. method according to claim 6, is characterized in that, described step c4 replaces with:
For each position of satisfying described condition, determine the maximum in the UpPCH interference measure of these locational all cell portions, with the minimum value corresponding position in all described maximums as the UpPCH position after upgrading.
8. method according to claim 6, is characterized in that, described step c5 replaces with:
For default each described UpPCH interferometry position, calculate the maximum in the UpPCH interference measure of these locational all cell portions, with the minimum value corresponding position in all described maximums as the UpPCH position after upgrading.
9. method according to claim 6, is characterized in that, the network side in described step c2 is the base station, further comprises after described step c5:
The UpPCH reporting position of described base station after with described renewal is to radio network controller (RNC).
10. method according to claim 6, is characterized in that, further comprises between described step c1 and c2:
Described base station reports RNC with described UpPCH interference measure;
Network side in described step c2 is RNC, further comprises after described step c5:
The UpPCH position informing of described RNC after with described renewal is to the base station.
11. the power control method for downward closed loop based on the collocation method of claim 1 is characterized in that, the method comprises the following steps:
D1, network side are determined the cell portion at subscriber equipment (UE) place;
D2, radio network controller (RNC) give described UE base station (NodeB) the configurating downlink Initial Trans at place according to area size and the channel circumstance of the cell portion at UE place, and the base station sends according to the cell portion of described Initial Trans at described UE place the information that needs transmission to described UE;
D3, described RNC give the desired value of described UE configuration power control parameters, and described power control parameters is received signal code power (RSCP), signal to noise ratio (SIR) or the error rate (BLER);
D4, needs are carried out the down channel of close-loop power control, described UE is according to the described power control parameters on current this down channel of the information measurement that receives, if described measurement result is less than the desired value of described power control parameters, described UE notifies the transmitting power that described base station increases described down channel, otherwise described UE notifies described base station to reduce the transmitting power of described down channel;
The transmitting power of described down channel is adjusted in d5, described base station according to the notice of described UE, and sends the current information that needs transmission according to this transmitting power to described UE, returns to steps d 4;
Wherein, described steps d 1 comprises:
B1, network side are measured the measurement parameter that is used for positioning UE on antenna channels corresponding to each cell portion, and described measurement parameter is received signal code power, signal interference ratio or transmission code power;
B2, network side calculate each described measurement result respectively with difference or the ratio of maximum measurement result, the cell portion that will be defined as described UE place less than all differences or the cell portion corresponding to ratio of a predetermined threshold value.
12. the uplink closed-loop power control method based on the collocation method of claim 1 is characterized in that, the method comprises the following steps:
E1, network side are determined the cell portion at subscriber equipment (UE) place;
E2, radio network controller (RNC) give described UE configuration Initial Trans according to area size and the channel circumstance of the cell portion at UE place; Described RNC is to the desired value of base station configuration power control parameters, and described power control parameters is received signal code power (RSCP), signal to noise ratio (SIR) or the error rate (BLER); Described UE sends the information of needs transmission according to the Initial Trans of current configuration to described base station;
E3, needs are carried out the up channel of close-loop power control, described base station according to the current described information that receives on the cell portion at described UE place, measure the power control parameters on described up channel, if described measurement result is less than the desired value of described power control parameters, described base station notifies described UE to increase the transmitting power of described up channel; Otherwise described base station notifies described UE to reduce the transmitting power of described up channel;
E4, described UE adjust the transmitting power of described up channel according to described notice, and utilize described transmitting power to send the current information that needs transmission to described base station, return to step e3;
Wherein, described step e1 comprises:
B1, network side are measured the measurement parameter that is used for positioning UE on antenna channels corresponding to each cell portion, and described measurement parameter is received signal code power, signal interference ratio or transmission code power;
B2, network side calculate each described measurement result respectively with difference or the ratio of maximum measurement result, the cell portion that will be defined as described UE place less than all differences or the cell portion corresponding to ratio of a predetermined threshold value.
13. the access method based on the collocation method of claim 1 is characterized in that, the method comprises the following steps:
F1, network side are determined the cell portion at each subscriber equipment (UE) place of current access, and determine the UE in each cell portion in the residential quarter according to the cell portion at determined each UE place;
f2, radio management measuring amount for each carrier wave, this radio management measuring amount sum that all UE under each cell portion report is calculated in the base station, obtain the radio management measuring amount of this carrier wave under each cell portion and report radio network controller (RNC), the service rate (HS-DSCH Provided Bit Rate for CELL PORTION) that described radio management measuring amount provides for the HS-DSCH of each cell portion, the service rate (E-DCH Provided Bit Rate for CELL PORTION) that the service power (HS-DSCH Required Power for CELL PORTION) that the HS-DSCH of each cell portion requires and the E-DCH of each cell portion provide,
F3, for each cell portion, whether exist at least one described measuring amount greater than default access threshold value in the described radio management measuring amount of each carrier wave under this cell portion that described RNC judgement receives, if so, refuse new UE and access this cell portion;
Wherein, in step f1, network side determines that the method for cell portion at each UE place of current access comprises:
B1, network side are measured the measurement parameter that is used for positioning UE on antenna channels corresponding to each cell portion, and described measurement parameter is received signal code power, signal interference ratio or transmission code power;
B2, network side calculate each described measurement result respectively with difference or the ratio of maximum measurement result, the cell portion that will be defined as described UE place less than all differences or the cell portion corresponding to ratio of a predetermined threshold value.
14. the load-balancing method based on the collocation method of claim 1 is characterized in that, the method comprises the following steps:
G1, network side are determined the cell portion at each subscriber equipment (UE) place of current access, and determine the UE in each cell portion in the residential quarter according to the cell portion at determined each UE place;
G2, for the radio management measuring amount of each carrier wave, this radio management measuring amount sum that all UE under each cell portion report is calculated in the base station, obtain the radio management measuring amount of this carrier wave under each cell portion and report radio network controller (RNC), described radio management measuring amount is HS-DSCH Provided Bit Rate for CELL PORTION, HS-DSCH Required Power for CELL PORTION and E-DCH Provided Bit Rate for CELL PORTION;
G3, for each cell portion, whether exist at least one described measuring amount greater than default balance threshold value in the described radio management measuring amount of each carrier wave under this cell portion that described RNC judgement receives, if so, UE that this cell portion medium priority is minimum moves on the cell portion of least-loaded in other cell portion that covers this UE position or covers in this cell portion on the carrier wave of least-loaded in the carrier wave of this UE position;
Wherein, in step g 1, network side determines that the method for cell portion at each UE place of current access comprises:
B1, network side are measured the measurement parameter that is used for positioning UE on antenna channels corresponding to each cell portion, and described measurement parameter is received signal code power, signal interference ratio or transmission code power;
B2, network side calculate each described measurement result respectively with difference or the ratio of maximum measurement result, the cell portion that will be defined as described UE place less than all differences or the cell portion corresponding to ratio of a predetermined threshold value.
15. the method for rate control based on the collocation method of claim 1 is characterized in that, the method comprises the following steps:
H1, network side are determined the cell portion at each subscriber equipment (UE) place of current access, and determine the UE in each cell portion in the residential quarter according to the cell portion at determined each UE place;
H2, for the radio management measuring amount of each carrier wave, this radio management measuring amount sum that all UE under each cell portion report is calculated in the base station, obtain the radio management measuring amount of this carrier wave under each cell portion and report radio network controller (RNC), described radio management measuring amount is HS-DSCH Provided Bit Rate for CELL PORTION, HS-DSCH Required Power for CELL PORTION and E-DCH Provided Bit Rate for CELL PORTION;
H3, for each cell portion, whether exist at least one described measuring amount greater than default rate-valve value in the described radio management measuring amount of each carrier wave under this cell portion that described RNC judgement receives, if so, reduce the service rate of the minimum UE of this cell portion medium priority;
Wherein, in step h1, network side determines that the method for cell portion at each UE place of current access comprises:
B1, network side are measured the measurement parameter that is used for positioning UE on antenna channels corresponding to each cell portion, and described measurement parameter is received signal code power, signal interference ratio or transmission code power;
B2, network side calculate each described measurement result respectively with difference or the ratio of maximum measurement result, the cell portion that will be defined as described UE place less than all differences or the cell portion corresponding to ratio of a predetermined threshold value.
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