CN102026210A - Radio resource management methods for cell portion - Google Patents
Radio resource management methods for cell portion Download PDFInfo
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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
Technical field
The present invention relates to by the radio resource management techniques in the communication system, particularly relate to the radio resource management method in the burst scene of sub-district.
Background technology
The TD-SCDMA system adopts intelligent antenna technology, the port number of antenna more (adopting 8 passages or 6 passages at present basically), each passage again can be independently uses as the single channel antenna, so then 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 the sub-district in the present TD-SCDMA system covers the situation of zones of different respectively.For example, cover under the scene of different floors, can adopt a passage to cover the sub-district coverage mode of first floor a sub-district; Under the high-speed train scene, in order to improve the area coverage of a sub-district, can be in a sub-district with many or organize antenna more to cover high-speed railway along the line.
In order in above-mentioned scene, further to improve the performance of RRM, the notion of sub-district burst (CELL PORTION) has been proposed at present, the sub-district burst is the geographical zone of the part in the sub-district, a sub-district is made up of a plurality of sub-districts burst, and different sub-district bursts is covered by different antennas or antenna sets.Under the scene that adopts the sub-district burst, base station (NodeB) will be according to the sub-district burst to RNC reporting measurement value, system will be the management that unit carries out Radio Resource with the sub-district burst, and the management of this Radio Resource relates to methods such as the configuration, power control of location, the UpPCH of configuration, the subscriber equipment (UE) of sub-district burst.And the present radio resource management method that does not propose as yet at sub-district burst scene.
Summary of the invention
In view of this, main purpose of the present invention is to provide the collocation method of a kind of sub-district burst, and this method can realize under the burst scene of sub-district the configuration to each sub-district burst.Another object of the present invention is to provide other radio resource management methods in the burst scene of sub-district, 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:
The collocation method of a kind of sub-district burst, this method may further comprise the steps:
Whether a1, base station (NodeB) support the sub-district burst to report radio network controller (RNC) each sub-district of its management;
A2, for each sub-district of supporting the sub-district burst, described RNC is divided into N sub-district burst according to the channel circumstance of this sub-district with it, N is a natural number;
A3, for each described sub-district burst, a sub-district segmental identification of described RNC configuration also is notified to described base station;
A4, for existing each public attribute parameter according to sub-district or carrier wave configuration, described RNC is that unit disposes pairing this public attribute parameter of each sub-district burst with each the sub-district burst under each carrier wave.
Preferably, this method may further comprise the steps:
B1, network side are measured the measurement parameter that is used for positioning UE on the antenna channels of each sub-district burst correspondence, and described measurement parameter is received signal code power, signal interference ratio or transmission code power;
B2, network side are defined as the described measurement result corresponding district of maximum burst the sub-district burst at described UE place.
Preferably, described step b2 further comprises:
Network side calculate except that maximum measurement result each described measurement result respectively with the difference or the ratio of maximum measurement result;
The sub-district burst that network side will be defined as described UE place less than all differences or the ratio corresponding district burst of a predetermined threshold value.
Preferably, described network side is the base station, further comprises after the described step b2:
Described base station reports radio network controller (RNC) with the sub-district burst at determined described UE place.
According to claim 2 or 3 described methods, it is characterized in that 5, the network side among the described step b1 is the base station, the network side among the described step b2 is RNC, further comprises between described step b1 and the b2:
Described base station reports described RNC with described measurement result;
Further comprise after the described step b2:
Described RNC is notified to described base station with the sub-district burst at determined described UE place.
The location updating method of a kind of UpPCH based on above-mentioned collocation method, this method may further comprise the steps:
C1, for each default UpPCH interferometry position m in the sub-district, the UpPCH interference measure I of base station measurement each sub-district burst on this position
N, m, wherein, n is the numbering of sub-district burst, and n=1...N, N are the quantity of the sub-district burst in the described sub-district, and m is the numbering of UpPCH interferometry position, and m=1...M, M are the default UpPCH interferometry number of positions in the described sub-district;
C2, network side judge whether the UpPCH interference measure of each sub-district burst on the current UpPCH position all is less than or equal to a default interference threshold, if then withdraw from described location updating method, otherwise, execution in step c3;
C3, judge in the described default UpPCH interferometry position whether exist at least one position to satisfy condition: the UpPCH interference measure of this locational each sub-district burst all is less than or equal to described interference threshold, if exist, execution in step c4 then, 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 sub-district bursts, with the pairing position of minimum value 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 sub-district burst, with the pairing position of minimum value 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 sub-district bursts, with the pairing position of minimum value in all described maximums as the UpPCH position after upgrading.
Preferably, described step c5 replaces with:
For each default described UpPCH interferometry position, calculate the maximum in the UpPCH interference measure of these locational all sub-district bursts, with the pairing position of minimum value in all described maximums as the UpPCH position after upgrading.
Preferably, the network side among the described step c2 is the base station, further comprises after the described step c5:
The UpPCH reporting position of described base station after with described renewal given radio network controller (RNC).
Preferably, further comprise between described step c1 and the c2:
Described base station reports RNC with described UpPCH interference measure;
Network side among the described step c2 is RNC, further comprises after the described step c5:
The UpPCH position informing of described RNC after with described renewal given the base station.
A kind of power control method for downward closed loop based on above-mentioned collocation method, this method may further comprise the steps:
D1, network side are determined the sub-district burst at subscriber equipment (UE) place;
Base station (NodeB) the configurating downlink Initial Trans that d2, radio network controller (RNC) are given described UE place according to the area size and the channel circumstance of the sub-district burst at UE place, base station send to described UE according to the sub-district burst of described Initial Trans at described UE place needs information transmitted;
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, the down channel that needs is carried out closed 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, the transmitting power that then described UE notifies described base station to increase described down channel, otherwise described UE notifies described base station to reduce the transmitting power of described down channel;
D5, described base station adjust the transmitting power of described down channel according to the notice of described UE, and send the current information transmitted that needs according to this transmitting power to described UE, return steps d 4;
Wherein, described steps d 1 comprises:
B1, network side are measured the measurement parameter that is used for positioning UE on the antenna channels of each sub-district burst correspondence, 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 the difference or the ratio of maximum measurement result, the sub-district burst that will be defined as described UE place less than all differences or the ratio corresponding district burst of a predetermined threshold value.
A kind of uplink closed loop method of above-mentioned collocation method, this method may further comprise the steps:
E1, network side are determined the sub-district burst at subscriber equipment (UE) place;
E2, radio network controller (RNC) give described UE configuration Initial Trans according to the area size and the channel circumstance of the sub-district burst at UE place; Described RNC gives 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 needs information transmitted according to the Initial Trans of current configuration to described base station;
E3, the up channel that needs is carried out closed power control, described base station according to the current described information that receives on the sub-district burst at described UE place, measure the power control parameters on the described up channel, if described measurement result is less than the desired value of described power control parameters, then 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 transmitted that needs to described base station, return step e3;
Wherein, described step e1 comprises:
B1, network side are measured the measurement parameter that is used for positioning UE on the antenna channels of each sub-district burst correspondence, 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 the difference or the ratio of maximum measurement result, the sub-district burst that will be defined as described UE place less than all differences or the ratio corresponding district burst of a predetermined threshold value.
A kind of access method based on above-mentioned collocation method, this method may further comprise the steps:
F1, network side are determined the sub-district burst at each subscriber equipment (UE) place of current access, and determine the UE in each sub-district burst in the sub-district according to the sub-district burst 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 sub-district burst report is calculated in the base station, obtain the radio management measuring amount of this carrier wave under each sub-district burst 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 sub-district burst, 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 sub-district burst requires and the E-DCH of each sub-district burst provide;
F3, for each sub-district burst, 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 sub-district burst that described RNC judgement receives, if then refuse new UE and insert this sub-district burst;
Wherein, network side determines that the method for sub-district burst at each UE place of current access comprises among the step f1:
B1, network side are measured the measurement parameter that is used for positioning UE on the antenna channels of each sub-district burst correspondence, 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 the difference or the ratio of maximum measurement result, the sub-district burst that will be defined as described UE place less than all differences or the ratio corresponding district burst of a predetermined threshold value.
A kind of load-balancing method based on above-mentioned collocation method, this method may further comprise the steps:
G1, network side are determined the sub-district burst at each subscriber equipment (UE) place of current access, and determine the UE in each sub-district burst in the sub-district according to the sub-district burst 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 sub-district burst report is calculated in the base station, obtain the radio management measuring amount of this carrier wave under each sub-district burst 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 sub-district burst, 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 sub-district burst that described RNC judgement receives, if then this sub-district minimum UE of burst medium priority is moved on the sub-district burst of load minimum in other sub-district burst that covers this UE position or covers in this sub-district burst on the carrier wave of load minimum in the carrier wave of this UE position;
Wherein, network side determines that the method for sub-district burst at each UE place of current access comprises in the step g 1:
B1, network side are measured the measurement parameter that is used for positioning UE on the antenna channels of each sub-district burst correspondence, 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 the difference or the ratio of maximum measurement result, the sub-district burst that will be defined as described UE place less than all differences or the ratio corresponding district burst of a predetermined threshold value.
A kind of method of rate control based on above-mentioned collocation method, this method may further comprise the steps:
H1, network side are determined the sub-district burst at each subscriber equipment (UE) place of current access, and determine the UE in each sub-district burst in the sub-district according to the sub-district burst 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 sub-district burst report is calculated in the base station, obtain the radio management measuring amount of this carrier wave under each sub-district burst 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 sub-district burst, 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 sub-district burst that described RNC judgement receives, if then reduce the service rate of the minimum UE of this sub-district burst medium priority;
Wherein, network side determines that the method for sub-district burst at each UE place of current access comprises among the step h1:
B1, network side are measured the measurement parameter that is used for positioning UE on the antenna channels of each sub-district burst correspondence, 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 the difference or the ratio of maximum measurement result, the sub-district burst that will be defined as described UE place less than all differences or the ratio corresponding district burst of a predetermined threshold value.
In sum, the above-mentioned radio resource management method that the present invention proposes, in the RRM process by be unit with the sub-district burst to the various parameters that are used for RRM be configured, operation such as measurement, make the present invention to carry out correspondingly RRM respectively at each sub-district burst separately, realized that really sub-district burst scene improves the advantage of RRM performance.
Description of drawings
Fig. 1 is the flow chart of the embodiment of the invention one;
Fig. 2 is the flow chart of the embodiment of the invention two;
Fig. 3 is the flow chart of the embodiment of the invention three;
Fig. 4 is the flow chart of the embodiment of the invention four;
Fig. 5 is the flow chart of the embodiment of the invention five;
Fig. 6 is the flow chart of the embodiment of the invention six;
Fig. 7 is the flow chart of the embodiment of the invention seven;
Fig. 8 is the flow chart of the embodiment of the invention eight.
Embodiment
Main thought of the present invention is: at the sub-district being carried out the scene that the sub-district burst is divided, network side or UE side are that unit is measured the parameter that needs in the RRM process to measure with the sub-district burst, thereby realize being adapted to the RRM of sub-district burst.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 sub-district burst and comprises access method, load-balancing method, method of rate control etc. at 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 invention one has proposed the collocation method of a kind of sub-district burst, and Fig. 1 is the flow chart of this embodiment one, and as shown in Figure 1, this method may further comprise the steps:
Whether step 101, base station support the sub-district burst to report RNC each sub-district of its management.
Here, whether the base station supports burst this function in sub-district to be notified to RNC each sub-district, so that RNC carries out the division of sub-district burst to the sub-district of supporting the sub-district burst in subsequent process, particularly, the base station can be notified to RNC with above-mentioned information by the mode of newly-increased message cell.
Step 102, for each sub-district of supporting the sub-district burst, described RNC is divided into N sub-district burst according to the channel circumstance of this sub-district with it, N is a natural number.
Here, in actual applications, RNC will carry out the division of described sub-district burst according to the Wireless Application Environment of reality, the factor that needs particularly to consider comprises the isolation of zones of different in the actual channel environment, sub-district of sub-district, range size that the sub-district need cover and shape etc., for example, need cover with more sub-district burst for the zone that covers dtr signal, isolation each zone preferably is general as different sub-district bursts, can utilize a plurality of sub-districts burst to cover for erose zone.For example: for the scene in a building of covering, a sub-district, the mode that can adopt a passage to cover first floor is carried out the covering of sub-district, and every floor promptly is a sub-district burst.
Step 103, for each described sub-district burst, a sub-district segmental identification of described RNC configuration also is notified to described base station.
Here by being respectively each sub-district burst sign is set, so that the base station manages each sub-district burst.
Step 104, for existing each public attribute parameter according to sub-district or carrier wave configuration, described RNC is that unit disposes pairing this public attribute parameter of each sub-district burst with each the sub-district burst under each carrier wave.
In this step, will the public attribute parameter of each sub-district burst be set so that be the management that unit carries out Radio Resource after this at each sub-district burst with the sub-district burst.These public attribute parameters are existing each public attribute parameter according to sub-district 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, quick access 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 control channel of high speed descending sharing channel (HS-SCCH) and high speed descending sharing channel, the dedicated channel of the enhancing of non-scheduling (E-DCH) initial power, power basic value (Pebase) initial value of the E-DCH of scheduling, the initial power of the control channel of the dedicated channel of enhancing (E-AGCH).
By the foregoing description one, can realize configuration to each sub-district burst in the system.After utilizing said method to finish the configuration of each cell portion in the system, can be further implemented in the UE in the system is positioned, concrete localization method will be elaborated by the embodiment of the invention two.
Fig. 2 is the flow chart of two pairs of UE location of the embodiment of the invention, and as shown in Figure 2, this embodiment two may further comprise the steps:
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 of the signal that is used to measure, be chosen in the measurement of carrying out described measurement parameter on the channel that can continue to receive signal as far as possible, because employed channel was different when UE was in different conditions, therefore, for the residing different conditions of UE, concrete employed measurement parameter is also with different.For example, as UE during at the IDLE state, described measurement parameter is the received signal code power of UpPCH; When UE in CELL_FACH state following time, described measurement parameter is the RSCP of PRACH channel; When UE in CELL_DCH state following time, described measurement parameter is the RSCP of DPCH.
It in this step the sub-district burst that the pairing sub-district of the maximum in described measurement result burst is defined as the UE place.
In actual applications, when the isolation between the burst of sub-district was big, UE only was in the sub-district burst usually, and the isolation between the burst of a plurality of sub-districts hour, UE may be in the intersection of a plurality of sub-districts burst, and at this moment, UE may be present in the burst of a plurality of sub-districts.At a kind of scene in back, step 202 can further comprise the steps, to determine the simultaneous a plurality of sub-districts of UE:
Network side calculate except that maximum measurement result each described measurement result respectively with the difference or the ratio of maximum measurement result;
The sub-district burst that network side will be defined as described UE place less than all differences or the ratio corresponding district burst of a predetermined threshold value.
In actual applications, the position fixing process of above-mentioned UE can be realized also can realizing at the RNC place at the place, base station.When realizing, will the sub-district burst at determined this UE place be reported RNC by the base station afterwards at base station place; When realizing at the RNC place, then before the burst of sub-district, definite UE place, the measurement result that needs are used to locate is reported RNC by the base station, the sub-district burst that RNC finishes behind the described location determined this UE place is notified to the base station.
Wherein, above-mentionedly the concrete grammar that the sub-district burst at determined this UE place reports RNC will be realized according to the different conditions of UE by the base station:
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.
As UE during at the CELL_DCH state, the base station reports the place cell portion to identify to RNC by special measurement message UE.
By the foregoing description two, realized under the burst scene of sub-district promptly can determining the sub-district burst at the current place of UE, because the sub-district burst only is the part in the sub-district to the location of UE, therefore, with respect to existing be that its positioning accuracy is higher for the UE localization method that carries out of unit with the sub-district.
At present, the UpPCH interferometry position in a sub-district on each carrier wave has a plurality of, and the current location of a position as UpPCH will therefrom be selected by system.The UpPCH interferometry is that the disturbed condition of several interferometry positions under each sub-district or the carrier wave is measured, and this measurement is used for determining be configured in which interferometry position to UpPCH.In actual applications, should avoid UpPCH is arranged on the too big position of UpPCH interferometry, and usually in each sub-district burst the locational disturbed condition of each interferometry be dynamic change, therefore need monitor the interferometry position of current configuration UpPCH, and when this locational interference is big to upgrading the position of configuration UpPCH again.
The embodiment of the invention three has proposed the location updating method of the UpPCH under the burst scene of a kind of sub-district.Fig. 3 is the flow chart of this embodiment, and this embodiment three comprises following steps as shown in Figure 3:
Wherein, n is the numbering of sub-district burst, and n=1...N, N are the quantity of the sub-district burst in the described sub-district, and m is the numbering of UpPCH interferometry position, and m=1...M, M are the default UpPCH interferometry number of positions in the described sub-district.
In this step, be unit, measure the UpPCH interference measure I of each locational each sub-district burst with the sub-district burst
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 sub-district burst, and when needs upgrade, determine new position according to the disturbed condition of each sub-district burst, be applicable to that with realization the position of the UpPCH of sub-district burst scene is upgraded.
In this step, when the UpPCH interference measure of judging each sub-district burst on the current UpPCH position when network side all is less than or equal to a default interference threshold, then 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 sub-district burst on the current UpPCH position during greater than this interference threshold, illustrate that then the disturbed condition of this current UpPCH position has exceeded the tolerance interval of system, need carry out corresponding location update operations, will select new position configuration to give UpPCH by step 303-305 particularly.
Here, described interference threshold is used to the disturbed condition that the system that defines tolerates, occurrence can be provided with according to the practical application needs by those skilled in the art, does not repeat them here.
This step is to judge whether there are all positions preferably of at least one disturbed condition in each sub-district burst in the sub-district in all UpPCH interferometry positions, that is to say, all be less than or equal to interference threshold in the UpPCH of this locational each sub-district burst interference measure.If there is such position, then preferentially in these positions, be chosen in the reposition of the best position of disturbed condition in each sub-district burst as UpPCH, concrete system of selection is realized by step 304.If there is no such position, the position after then in all UpPCH interferometry positions, selecting again to upgrade, concrete system of selection realizes by step 305.
This step is used for being chosen in the best position of disturbed condition of each sub-district burst, i.e. the position of the minimum value correspondence of the mean value of the UpPCH interference measure by selecting all sub-district bursts.
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 sub-district bursts, with the pairing position of minimum value in all described maximums as the UpPCH position after upgrading.
This step is to select the best position of disturbed condition as the UpPCH position after upgrading in all UpPCH interferometry positions.
Here, in order to reduce the algorithm complex of present embodiment,, only select the UpPCH interference measure of this locational part sub-district burst to calculate here for each position, foreclose and just cover the little sub-district burst of UE quantity, promptly calculate and cover the maximum w of UE number on each position
m(1≤w
m) mean value of UpPCH interference measure of individual sub-district burst.Particularly, w
mDefinite mode can have multiplely, for example set in advance w before selecting when specifically calculating according to actual needs by those skilled in the art
mIndividual covering UE counts the smallest region burst, also can be to cover threshold value according to a default UE to determine, promptly covers the maximum preceding w of UE number
mThe UE quantity summation that individual sub-district burst is covered equals this UE and covers threshold value.In the practical application, those skilled in the art can also select other modes to determine w
mAs long as will cover the little sub-district burst of UE quantity and foreclose.
In actual applications, step 305 also can adopt following manner to realize:
For each default described UpPCH interferometry position, calculate the maximum in the UpPCH interference measure of these locational all sub-district bursts, with the pairing position of minimum value in all described maximums as the UpPCH position after upgrading.
Need to prove, technique scheme is the renewal to the UpPCH position on the carrier wave, the UpPCH interference measure of each the sub-district burst in the foregoing description three also is the measured value corresponding to this carrier wave, i.e. the UpPCH interference measure of each the sub-district burst on this carrier wave.
In addition, step 302-305 can realize also can realizing in RNC in the base station in the location updating method of above-mentioned UpPCH, 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 given RNC, when being RNC, then the base station need report RNC with the UpPCH interference measure between step 301 and 302, so that the 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 give the base station with the UpPCH position informing after upgrading, so that the information between base station and the RNC is consistent.
The embodiment of the invention four has proposed the power control method for downward closed loop under the burst scene of a kind of sub-district, and Fig. 4 is the flow chart of this embodiment four, as shown in Figure 4, may further comprise the steps:
This step can adopt the method among the embodiment two to realize, that is: UE is that unit is measured the measurement parameter that is used to position with each the sub-district burst under each carrier wave, and described measurement result 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 the difference or the ratio of maximum measurement result, the sub-district burst that will be defined as this UE place less than all differences or the ratio corresponding district burst of a predetermined threshold value.
The NodeB configurating downlink Initial Trans that step 402, RNC give described UE place according to the area size and the channel circumstance of the sub-district burst at UE place, base station send to described UE according to the sub-district burst of described Initial Trans at described UE place needs information transmitted;
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.
Here, the down channel that described needs carry out closed power control can be the existing channel that is applicable to that all use downlink closed-loop power control algorithm, for example: descending DPCH, HS-SCCH, and E-AGCH.
After executing, this step need return 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 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 invention five, and as shown in Figure 5, this embodiment five may further comprise the steps:
The implementation method of this step is identical with step 401, does not repeat them here.
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.
Here, the up channel that described needs carry out closed power control can be the channel of all use uplink closed-loop power control algorithms in the existing system, for example: up DPCH, the E-DCH of non-scheduling, Pebase value and the HS-SICH of the E-DCH of scheduling.
In this step, the power control parameters on the described up channel is measured in the base station on the burst of the sub-district at UE place, and carries out corresponding power adjustment according to measurement result notice UE.So, then can to realize with the sub-district burst be unit carries out power control to the up channel of UE.Here, specifically the method 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.
In this step, when described UE finishes the transmitting power of described up channel and utilizes this transmitting power to send current needs information transmitted according to described notice adjustment, need return the power control that step 503 enters next round again, to realize real-time power control to up channel.
High speed downlink packet inserts (HSDPA) at present has (HS-DSCH Provided Bit Rate for CELL PORTION) with high speed uplink packet access (HSUPA) relevant measurement parameter, 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 sub-district burst requires and the E-DCH of each sub-district burst provide, HS-DSCH Provided Bit Rate wherein, HS-DSCHRequired Power is used for HSDPA, and 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 or the like.These several measurement parameters and corresponding radio resource management method can further be optimized under the scene of sub-district burst.Concrete, will be described in detail by the embodiment of the invention six, embodiment seven and embodiment eight.
The embodiment of the invention six provides the access method under the burst scene of a kind of sub-district, and figure six is the flow chart of the embodiment of the invention six, and this method may further comprise the steps shown in figure six:
The method of determining each sub-district, UE place burst of current access in this step can adopt the method identical with step 501 to realize, does not repeat them here.
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.
Here, being provided with of described access threshold value can be provided with according to actual needs by those skilled in the art, do not repeat them here.
This step is by judging that according to the pairing radio management measuring amount of each sub-district burst each sub-district burst inserts the ability of new UE, and carries out access and the refusal of new UE in view of the above, thereby realized being divided into the sub-district UE access management of unit.
The embodiment of the invention seven provides the load-balancing method under the burst scene of a kind of sub-district, and figure seven is the flow chart of the embodiment of the invention seven, and this method may further comprise the steps shown in figure seven:
In this step, determine that the method for sub-district burst at each UE place of current access is identical with step 601, do not repeat them here.
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 that unit is measured the radio management measuring amount that is used for load balance with the sub-district burst, so that the present invention is better according to the sub-district burst being that unit obtains the performance of the load balance that the radio management measuring amount carried out with respect to existing.
Here, being provided with of described balance threshold value can be provided with according to actual needs by those skilled in the art, do not repeat them here.
This step, with the sub-district burst is the adjustment that unit carries out the load balance aspect, promptly for each sub-district burst, 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 sub-district burst that receives, the load state that current this sub-district burst is described has exceeded the scope that system can bear, need be by the UE in this sub-district burst be carried out migration operation, to guarantee the load balance of system.Particularly, present embodiment is that the UE that priority is minimum is moved in other sub-district bursts or the carrier wave, specifically selects which UE to adjust in actual applications and can adopt existing other method to realize, does not repeat them here.
The embodiment of the invention eight provides the method for rate control under the burst scene of a kind of sub-district, and figure eight is the flow chart of the embodiment of the invention eight, and this method may further comprise the steps shown in figure eight:
A kind of method of rate control of the collocation method based on claim 1 is characterized in that this method may further comprise the steps:
In this step, determine that the method for sub-district burst at each UE place of current access is identical with step 701, do not repeat them here.
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 that unit is measured the radio management measuring amount that is used for rate controlled with the sub-district burst, so that the present invention is higher according to the sub-district burst being that unit obtains the rate controlled accuracy that the radio management measuring amount carried out with respect to existing.
Here, being provided with of described rate-valve value can be provided with according to actual needs by those skilled in the art, do not repeat them here.
This step, with the sub-district burst is the rate controlled that unit carries out UE, promptly for each sub-district burst, when in RNC judges the described radio management measuring amount of this sub-district burst each carrier wave down receive, whether having at least one described measuring amount greater than the rate-valve value preset, the speed situation that current this sub-district burst is described has exceeded the scope that system can bear, need by the UE speed in this sub-district burst is adjusted, to guarantee the normal operation of system.Particularly, present embodiment is the service rate that reduces the minimum UE of this sub-district burst medium priority, and the adjustment of specifically selecting which UE to carry out speed in actual applications can adopt existing other method to realize, does not repeat them here.
In sum, more than be preferred embodiment of the present invention only, be not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. the collocation method of a sub-district burst is characterized in that, this method may further comprise the steps:
Whether a1, base station (NodeB) support the sub-district burst to report radio network controller (RNC) each sub-district of its management;
A2, for each sub-district of supporting the sub-district burst, described RNC is divided into N sub-district burst according to the channel circumstance of this sub-district with it, N is a natural number;
A3, for each described sub-district burst, a sub-district segmental identification of described RNC configuration also is notified to described base station;
A4, for existing each public attribute parameter according to sub-district or carrier wave configuration, described RNC is that unit disposes pairing this public attribute parameter of each sub-district burst with each the sub-district burst under each carrier wave.
2. the subscriber equipment based on the collocation method of claim 1 (UE) localization method is characterized in that this method may further comprise the steps:
B1, network side are measured the measurement parameter that is used for positioning UE on the antenna channels of each sub-district burst correspondence, and described measurement parameter is received signal code power, signal interference ratio or transmission code power;
B2, network side are defined as the described measurement result corresponding district of maximum burst the sub-district burst at described UE place.
3. method according to claim 2 is characterized in that, described step b2 further comprises:
Network side calculate except that maximum measurement result each described measurement result respectively with the difference or the ratio of maximum measurement result;
The sub-district burst that network side will be defined as described UE place less than all differences or the ratio corresponding district burst of a predetermined threshold value.
4. according to claim 2 or 3 described methods, it is characterized in that described network side is the base station, further comprise after the described step b2:
Described base station reports radio network controller (RNC) with the sub-district burst at determined described UE place.
5. according to claim 2 or 3 described methods, it is characterized in that the network side among the described step b1 is the base station, the network side among the described step b2 is RNC, further comprises between described step b1 and the b2:
Described base station reports described RNC with described measurement result;
Further comprise after the described step b2:
Described RNC is notified to described base station with the sub-district burst at determined described UE place.
6. the location updating method based on the UpPCH of the collocation method of claim 1 is characterized in that, this method may further comprise the steps:
C1, for each default UpPCH interferometry position m in the sub-district, the UpPCH interference measure I of base station measurement each sub-district burst on this position
N, m, wherein, n is the numbering of sub-district burst, and n=1...N, N are the quantity of the sub-district burst in the described sub-district, and m is the numbering of UpPCH interferometry position, and m=1...M, M are the default UpPCH interferometry number of positions in the described sub-district;
C2, network side judge whether the UpPCH interference measure of each sub-district burst on the current UpPCH position all is less than or equal to a default interference threshold, if then withdraw from described location updating method, otherwise, execution in step c3;
C3, judge in the described default UpPCH interferometry position whether exist at least one position to satisfy condition: the UpPCH interference measure of this locational each sub-district burst all is less than or equal to described interference threshold, if exist, execution in step c4 then, 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 sub-district bursts, with the pairing position of minimum value 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 sub-district burst, with the pairing position of minimum value 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 sub-district bursts, with the pairing position of minimum value 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 each default described UpPCH interferometry position, calculate the maximum in the UpPCH interference measure of these locational all sub-district bursts, with the pairing position of minimum value in all described maximums as the UpPCH position after upgrading.
9. method according to claim 6 is characterized in that, the network side among the described step c2 is the base station, further comprises after the described step c5:
The UpPCH reporting position of described base station after with described renewal given radio network controller (RNC).
10. method according to claim 6 is characterized in that, further comprises between described step c1 and the c2:
Described base station reports RNC with described UpPCH interference measure;
Network side among the described step c2 is RNC, further comprises after the described step c5:
The UpPCH position informing of described RNC after with described renewal given the base station.
11. the power control method for downward closed loop based on the collocation method of claim 1 is characterized in that, this method may further comprise the steps:
D1, network side are determined the sub-district burst at subscriber equipment (UE) place;
Base station (NodeB) the configurating downlink Initial Trans that d2, radio network controller (RNC) are given described UE place according to the area size and the channel circumstance of the sub-district burst at UE place, base station send to described UE according to the sub-district burst of described Initial Trans at described UE place needs information transmitted;
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, the down channel that needs is carried out closed 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, the transmitting power that then described UE notifies described base station to increase described down channel, otherwise described UE notifies described base station to reduce the transmitting power of described down channel;
D5, described base station adjust the transmitting power of described down channel according to the notice of described UE, and send the current information transmitted that needs according to this transmitting power to described UE, return steps d 4;
Wherein, described steps d 1 comprises:
B1, network side are measured the measurement parameter that is used for positioning UE on the antenna channels of each sub-district burst correspondence, 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 the difference or the ratio of maximum measurement result, the sub-district burst that will be defined as described UE place less than all differences or the ratio corresponding district burst of a predetermined threshold value.
12. the uplink closed loop method based on the collocation method of claim 1 is characterized in that this method may further comprise the steps:
E1, network side are determined the sub-district burst at subscriber equipment (UE) place;
E2, radio network controller (RNC) give described UE configuration Initial Trans according to the area size and the channel circumstance of the sub-district burst at UE place; Described RNC gives 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 needs information transmitted according to the Initial Trans of current configuration to described base station;
E3, the up channel that needs is carried out closed power control, described base station according to the current described information that receives on the sub-district burst at described UE place, measure the power control parameters on the described up channel, if described measurement result is less than the desired value of described power control parameters, then 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 transmitted that needs to described base station, return step e3;
Wherein, described step e1 comprises:
B1, network side are measured the measurement parameter that is used for positioning UE on the antenna channels of each sub-district burst correspondence, 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 the difference or the ratio of maximum measurement result, the sub-district burst that will be defined as described UE place less than all differences or the ratio corresponding district burst of a predetermined threshold value.
13. the access method based on the collocation method of claim 1 is characterized in that, this method may further comprise the steps:
F1, network side are determined the sub-district burst at each subscriber equipment (UE) place of current access, and determine the UE in each sub-district burst in the sub-district according to the sub-district burst 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 sub-district burst report is calculated in the base station, obtain the radio management measuring amount of this carrier wave under each sub-district burst 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 sub-district burst, 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 sub-district burst requires and the E-DCH of each sub-district burst provide;
F3, for each sub-district burst, 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 sub-district burst that described RNC judgement receives, if then refuse new UE and insert this sub-district burst;
Wherein, network side determines that the method for sub-district burst at each UE place of current access comprises among the step f1:
B1, network side are measured the measurement parameter that is used for positioning UE on the antenna channels of each sub-district burst correspondence, 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 the difference or the ratio of maximum measurement result, the sub-district burst that will be defined as described UE place less than all differences or the ratio corresponding district burst of a predetermined threshold value.
14. the load-balancing method based on the collocation method of claim 1 is characterized in that, this method may further comprise the steps:
G1, network side are determined the sub-district burst at each subscriber equipment (UE) place of current access, and determine the UE in each sub-district burst in the sub-district according to the sub-district burst 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 sub-district burst report is calculated in the base station, obtain the radio management measuring amount of this carrier wave under each sub-district burst 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 sub-district burst, 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 sub-district burst that described RNC judgement receives, if then this sub-district minimum UE of burst medium priority is moved on the sub-district burst of load minimum in other sub-district burst that covers this UE position or covers in this sub-district burst on the carrier wave of load minimum in the carrier wave of this UE position;
Wherein, network side determines that the method for sub-district burst at each UE place of current access comprises in the step g 1:
B1, network side are measured the measurement parameter that is used for positioning UE on the antenna channels of each sub-district burst correspondence, 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 the difference or the ratio of maximum measurement result, the sub-district burst that will be defined as described UE place less than all differences or the ratio corresponding district burst of a predetermined threshold value.
15. the method for rate control based on the collocation method of claim 1 is characterized in that, this method may further comprise the steps:
H1, network side are determined the sub-district burst at each subscriber equipment (UE) place of current access, and determine the UE in each sub-district burst in the sub-district according to the sub-district burst 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 sub-district burst report is calculated in the base station, obtain the radio management measuring amount of this carrier wave under each sub-district burst 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 sub-district burst, 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 sub-district burst that described RNC judgement receives, if then reduce the service rate of the minimum UE of this sub-district burst medium priority;
Wherein, network side determines that the method for sub-district burst at each UE place of current access comprises among the step h1:
B1, network side are measured the measurement parameter that is used for positioning UE on the antenna channels of each sub-district burst correspondence, 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 the difference or the ratio of maximum measurement result, the sub-district burst that will be defined as described UE place less than all differences or the ratio corresponding district burst of a predetermined threshold value.
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