CN101022593A - Method for enhancing wireless communication up-grouping dispatch - Google Patents

Method for enhancing wireless communication up-grouping dispatch Download PDF

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CN101022593A
CN101022593A CNA2007100735722A CN200710073572A CN101022593A CN 101022593 A CN101022593 A CN 101022593A CN A2007100735722 A CNA2007100735722 A CN A2007100735722A CN 200710073572 A CN200710073572 A CN 200710073572A CN 101022593 A CN101022593 A CN 101022593A
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grant
minimum
ind
index
size
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CN100512565C (en
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王琛
唐长春
梁自军
杨卓
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ZTE Corp
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ZTE Corp
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Abstract

A method for dispatching uplink packet of radio communication includes using Minimum-Grant-Index-Step-Size information on NBAP protocol and RRC protocol to configure UE using minimum SG when dispatch authorization is required by UE and sending RG command to carry out dispatch on UE when RG is received by UE.

Description

A kind of method that improves wireless communication up-grouping dispatch
Technical field
The present invention relates to the communications field, especially a kind of method that improves wireless communication up-grouping dispatch.
Background technology
WCDMA (Wideband Code Division Multiple Access) system is based on the broadband cellular wireless communication system of CDMA, and the WCDMA system supports a greater variety of types of service and high data rate traffic transmittability more.HSUPA (High Speed Uplink Packet Access) is the enhancement techniques of WCDMA system to the uplink ability.The HSUPA technology has comprised shorter TTI (Transmission Time Interval), scheduler and HARQ (HybridAutomatic Retransmission reQuest) based on Node B, new transmission channel E-DCII (EnhancedDedicate Channel) has adopted these key technologies, the HSUPA system can be significantly improved on the transmission performance of uplink service than traditional WCDMA version, the increase of nearly 50%-70% on power system capacity, the minimizing of 20%-55% is arranged, 50% the increase of on the user grouping calling flow, having an appointment in the delay of end-to-end grouping bag.Use the WCDMA system of HSUPA technology, comprised CN (Core Network), RNC (Radio Network Controller), Node B and UE (User Equipment).Wherein comprised some sub-districts (Cells) among the Node B, the sub-district is to be the common radio resources of UE service in the same area in the system, in HSUPA, by the sub-district can measuring system the ascending load degree.Node B is that unit finishes with the sub-district to the scheduling of UE.In HSUPA, the function that customer service is controlled and dispatched has been placed among the Node B, by Node B regularly or the service dispatching request (Scheduling Information) that sends according to Event triggered according to the user, seizure condition (Buffer Occupancy Status) comprising the customer service buffering area, the priority level of Business Stream (Priority), the residue transmitted power of UE (Uplink Power Headroom), and according to the uplink interference of sub-district and the load disposal ability of base station, different UE is sent different authorization command (Grants), UE is according to the authorization command of Node B, in the E-TFC table (Enhanced Transport Format Combination Table) of the pre-configured UE of giving of RNC, select suitable transformat to merge (Enhanced Transport Format Combination), and use the pairing power excursion of this E-TFC (Power Offset), in a Transmission Time Interval (TTI), send and the data of authorizing corresponding size to NodeB.The functional structure of HSUPA system is with reference to figure 2.
In HSUPA, authorize and be divided into absolute grant AG (Absolute Grants) and relative authorization RG (Relative Grants), AG has specified the absolute size that allows the data volume pairing transmitting power ratio that UE can send, be also referred to as authorization of service (Serving Grants), and RG has specified and has allowed the relative size that UE can the transmitting power ratio, this relative size is to express with the mode of step-length, and its value can be UP (improving the scheduling amount of a step-length), DOWN (reducing the scheduling amount of a step-length) and HOLD (keeping existing scheduling amount).
The WCDMA system is a multi-user's a cdma wireless system, because in the sub-district of WCDMA system, the time of up UE emission is asynchronous, caused the nonorthogonality of up send channel between the different UEs, also just caused up the interfering with each other of transmitting of different UEs, therefore exist up UE send channel number many more in the sub-district, or the transmitting power of UE big more (SG is big more), the uplink interference of system is just big more, and this annoyance level is represented with RTWP (Received Total Wideband Power).The operation of WCDMA system must remain on up interference within the rational thresholding, otherwise system will collapse because of the power ramp of disturbing overload to cause or serious problems such as a large amount of UE call drops.
The HSUPA scheduler has been controlled data transmission rate and the transmitting power of each UE in the sub-district by AG and RG just, guarantees that the uplink interference of the sub-district that these UE loads produce can not surpass interference threshold.Simultaneously according to the actual conditions of UE, dynamically determine and data transmission rate and the transmitting power (being SG) of bringing in constant renewal in each UE guarantees that each UE goes up the QoS of bearer service the transfer of data demand.
Also having used in HSUPA and mixed automatic repeat requests HARQ (Hybrid Automatic RepeatreQuest), is that a kind of multichannel etc. stops the parallel retransmission operation mechanism of SAW (See And Wait).In 3GPP redaction R6 standard, the HARQ technology has been applied to physical layer, thereby has reduced the time delay of high-level signaling transmission, has further promoted systematic function.In the HARQ retransmission mechanism, a plurality of HARQ processes are arranged, each process sends packet in order, and for a UE, the same moment has only a HARQ process to send data.When HARQ process sends a packet, when Node B is correct receive and CRC check correct after, will return one and be correctly decoded indication ACK, otherwise beam back mistake piece indication NACK.UE after receiving NACK, corresponding HARQ process need with packet in physical layer retransmission; If UE receives ACK, corresponding HARQ process just can send a new packet.Meanwhile other HARQ process can send the different pieces of information bag separately, and is not subjected to this HARQ process whether to receive the influence of ACK/NACK response, adopts multichannel HARQ, has reduced the stand-by period of SAW agreement, has improved efficiency of transmission.In the HARQ of HSUPA agreement, used simultaneous techniques again, the HARQ process numbering of just current transmission data has strict corresponding relationship with the common timing of system, therefore by the common timing (for example system frame number SFN System Frame Number of sub-district) of system, just can directly obtain the current HARQ process numbering that is sending data.
In the standard of 3GPP (25.321), relative authorization command RG stops agreement with HARQ etc. and combines, the delivery time of RG order has determined the numbering of the UE HARQ process that this RG order is corresponding, as shown in Figure 4, the UE of corresponding 10ms TTI (Transmission Time Interval), the agreement regulation has 4 HARQ processes to send data.Employed mandate was called LUPR (Last Used Power Ratio) when each HARQ process sent data last time, and this LUPR can correspond to certain index value SG-LUPR of the SG table (referring to table 1) in 25.321 according to the computational methods of 25.321 regulations.After RG order corresponded to certain HARQ process of UE according to time relationship, at first the LUPR according to the corresponding HARQ instance process of UE calculated SG-LUPR, and the authorization of service SG that UE is new is updated to SG-LUPR+STEP.When RG=UP, STEP is 1 to 3 according to the big or small span of current SG-LUPR, when RG=DOWN, and STEP=-1;
Table 1:Scheduling Grant Table (SG-table)
Index Scheduled Grant
37 (168/15) 2*6
36 (150/15) 2*6
35 (168/15) 2*4
34 (150/15) 2*4
33 (134/15) 2*4
32 (119/15) 2*4
31 (150/15) 2*2
30 (95/15) 2*4
29 (168/15) 2
28 (150/15) 2
27 (134/15) 2
26 (119/15) 2
25 (106/15) 2
24 (95/15) 2
23 (84/15) 2
22 (75/15) 2
21 (67/15) 2
20 (60/15) 2
19 (53/15) 2
18 (47/15) 2
17 (42/15) 2
16 (38/15) 2
15 (34/15) 2
14 (30/15) 2
13 (27/15) 2
12 (24/15) 2
11 (21/15) 2
10 (19/15) 2
9 (17/15) 2
8 (15/15) 2
7 (13/15) 2
6 (12/15) 2
5 (11/15) 2
4 (9/15) 2
3 (8/15) 2
2 (7/15) 2
1 (6/15) 2
0 (5/15) 2
Table 2 10ms TTI E-DCH Transport Block Size Table 1
E-TFCI TB Size(bits) E-TFCI TB Size(bits) E-TFCI TB Size(bits)
0 18 41 5076 82 11850
1 186 42 5094 83 12132
2 204 43 5412 84 12186
3 354 44 5430 85 12468
4 372 45 5748 86 12522
5 522 46 5766 87 12804
6 540 47 6084 88 12858
7 690 48 6102 89 13140
8 708 49 6420 90 13194
9 858 50 6438 91 13476
10 876 51 6756 92 13530
11 1026 52 6774 93 13812
12 1044 53 7092 94 13866
13 1194 54 7110 95 14148
14 1212 55 7428 96 14202
15 1362 56 7464 97 14484
16 1380 57 7764 98 14556
17 1530 58 7800 99 14820
18 1548 59 8100 100 14892
19 1698 60 8136 101 15156
20 1716 61 8436 102 15228
21 1866 62 8472 103 15492
22 1884 63 8772 104 15564
23 2034 64 8808 105 15828
24 2052 65 9108 106 15900
25 2370 66 9144 107 16164
26 2388 67 9444 108 16236
27 2706 68 9480 109 16500
28 2724 69 9780 110 16572
29 3042 70 9816 111 17172
30 3060 71 10116 112 17244
31 3378 72 10152 113 17844
32 3396 73 10452 114 17916
33 3732 74 10488 115 18516
34 3750 75 10788 116 18606
35 4068 76 10824 117 19188
36 4086 77 11124 118 19278
37 4404 78 11178 119 19860
38 4422 79 11460 120 19950
39 4740 80 11514
40 4758 81 11796
Have a kind of corresponding relation between the packet size that authorization of service SG and the UE of UE can send, this corresponding relation can be with reference to the E-TFC selection process of 3GPP TS 25.321.We only enumerate the problem that a kind of possible a kind of corresponding relation (as shown in Figure 5) illustrates existence here: show (referring to table 2 at the operable TBS of UE, table 2 is in the similar table in 3GPP TS 25.321 agreements, have the representative descriptive sense) in, it is SG-LUPR=0 that UE sends the corresponding SG of mandate of minimum TB=18, it is SG-LUPR=4 that UE sends time little corresponding SG of mandate of TB=186 institute, only just can't make UE obtain higher transmission mandate by a RG order.Certainly, scheduler can come the SG of direct configuration UE by sending the order of AG absolute grant, but because the AG order sends the shared resource that takies the sub-district, and the private resource of UE is used in the RG order, when having a large amount of UE to be scheduled simultaneously in the sub-district, it is higher than using AG order efficient therefore to use the RG order.But, UE can't the SG of UE be brought up to by the RG order to send the pairing mandate of TB=186 packet because sending the required SG of TB=186 (1 to 3 step) in the scope of 3GPP agreement regulation.
Summary of the invention
The objective of the invention is to, a kind of method that improves wireless communication up-grouping dispatch is provided, by this method, RNC is to the suitable SG lifting step-length of UE configuration, make UE when using minimum SG, when receiving RG, still can dispatch effectively UE by sending the RG order, improve the scheduling authorization of UE rapidly, thereby improved the efficient of HSUPA packet scheduling.
For solving the problems of the technologies described above, the invention provides the method that a kind of RG of use order is dispatched UE, it is characterized in that: when UE needs scheduling authorization, come configuration UE to use minimum SG by the Mininum-Grant-Index-Step-Size information in NBAP agreement and the RRC agreement, make UE when receiving RG, can dispatch UE by sending the RG order, wherein, described Mininum-Grant-Index-Step-Size information is included in the enhancing Dedicated Physical Control Channel and E-DCH reconfiguration message channel of the E-DPCH channel information of NBAP agreement and RRC agreement.
The present invention also provides a kind of method that improves wireless communication up-grouping dispatch, be applied in UE when using minimum SG and UE receive the relative authorization command RG=UP of scheduler, according to the SG of the config update UE that sets, described method comprises:
(1), RNC is according to the size of the type decided RLC PDU of uplink service, the minimum RLC PDU size that wherein needs to carry out the business of HSUPA scheduling corresponds to the needed mandate of the minimum scheduled transmission Mini_Sch_Grant of UE;
(2), RNC determines the minimum authorization Minimum_Grant that needs when UE only transmits the packet of TB=18;
(3), RNC determine respectively Mini_Sch_Grant corresponding to the index SG-Ind-Mini-Sch in the SG table and Minimum_Grant corresponding to the index SG-Ind-Mini in the SG table, and definite Delta-SG-Ind;
(4), RNC disposes the B to Node by the Minimum-Grant-index-step-size cell in the NBAP signaling with Delta-SG-Ind;
(5), RNC disposes Delta-SG-Ind to UE by the Minimum-Grant-index-step-size cell in the RRC signaling.
The method according to this invention, in the described step (3), RNC utilizes following formula to determine Delta-SG-Ind:
Delta-SG-Ind＝SG-Ind-Mini-Sch-SG-Ind-Mini
The method according to this invention, in the described step (3), RNC is by the NBAP signaling: the cell Minimum-Grant-index-step-size in the RADIO LINKRECONFIGURATION PREPARE/RADIO LINK RECONFIGURATION REQUEST/RADIOLINK SETUP REQUEST/RADIO LINK ADDITION message disposes the B to Node with Delta-SG-Ind.
The method according to this invention, in the described step (4), RNC is by the RRC signaling: the cell Minimum-Grant-index-step-size in the CELL UPDATECONFIRM/PHYSICAL CHANNEL RECONFIGURATION/TRANSPORT CHANNELRECONFIGURATION/RADIO BEAR SETUP REQUEST/RADIO BEARRECONFIGURATION/CELL UPDATE CONFIRM message disposes Delta-SG-Ind to UE.
Relative prior art, method provided by the invention has following beneficial effect: in the present invention, dispose suitable SG lifting step-length by RNC to UE, make UE when using minimum SG, when receiving RG, still can dispatch effectively UE by sending the RG order, improve the scheduling authorization of UE rapidly, thereby improved the efficient of HSUPA packet scheduling.In addition,, use RG just can obtain scheduling, and needn't use the AG order, thereby saved scheduling resource, improved the efficient of scheduling the UE that is in minimum scheduling authorization state by the present invention.
Description of drawings
Fig. 1 is an operational flowchart of the present invention;
Fig. 2 is an illustrative view of functional configuration of having described the HSUPA system;
Fig. 3 has described the information flow chart between each functional module in the HSUPA system;
Fig. 4 has described the interactively figure of the order of RG in the HSUPA system to the HARQ process;
Fig. 5 is a kind of corresponding relation figure that has described between SG and the transmission block size.
Embodiment
For ease of profound understanding technology contents of the present invention, the present invention is described in detail below in conjunction with drawings and the specific embodiments.
The present invention is by E-DPCH Information (the E-DPCH information in Node B applying portion (NBAP:Node B Application Part) agreement, Enhanced Dedicated PhysicalChannel Information), and at the E-DPDCH Info of RRC (Radio Resource Control) agreement (Enhanced Dedicated Physical Control Channel Info, the enhancing Dedicated Physical Control Channel) and in E-DCH reconfiguration information (E-DCH reconfiguration message) cell introduce new Mininum-Grant-Index-Step-Size information element (IE, Information Element, as shown in table 3), come to be the suitable SG lifting step-length of UE configuration, make UE when using minimum SG, when receiving RG, still can dispatch effectively UE by sending the RG order, improve the scheduling authorization of UE rapidly, thereby improved the efficient of HSUPA packet scheduling.Here the implication that is noted that Mininum-Grant-Index-Step-Size and the follow-up Mininum of mentioning Grant Index Step Size is identical, adopt in different place different literary styles be for the form expressed clearer.
The definition of the Mininum-Grant-Index-Step-Size information element that will add in NBAP agreement and RRC agreement is as shown in table 3; The situation of adding the Mininum-Grant-Index-Step-Size information element in E-DPCH Information is as shown in table 4, the situation of adding the Mininum-Grant-Index-Step-Size information element in E-DCHreconfiguration information is as shown in table 5, and the situation of adding the Mininum-Grant-Index-Step-Size information element in E-DPDCH Info is as shown in table 6:
Table 3 Minimum-Grant-Index-Step-Size
IE/Group Name Presence Range IE Type and Reference Semantics Description
Minimum-Grant-Index- Step Size INTEGER (0..15) Refers to an index in the “SG-Table”(see[32]).
Table 4 E-DPCH Information cell
E-DPCH Information 0..1 YES reject
>Maximum Set of E-DPDCHs M 9.2.2.20C -
>Punctu re Limit M 9.2.1.50 -
>E-TFCS Information M 9.2.2.13Dh -
>E-TTI M 9.2.2.13Di -
>E-DPCCH Power Offset M 9.2.2.13Dj -
>E-RGCH 2-Index-Step Threshold M 9.2.2.13Ig -
>E-RGCH 3-Index-Step Threshold M 9.2.2.13Ih -
Minimum-Grant-Index- StepSize O
>HARQ Info for E-DCH M 9.2.2.18ba -
E-DCH FDD Information C-EDP CHInfo 9.2.2.13Da YES reject
Serving E-DCH RL O 9.2.2.48B YES reject
Table 5 E-DCH reconfiguration information
Information Element/Group name Need Multi Type and reference Semantics description Version
E-DCH RL Info new serving cell OP
>Primary CPICH info MP Primary CPICH info 10.3.6.60 Indicates scheduling E-DCH cell from the active set cells. REL-6
>E-AGCH Info MP E-AGCH Info 10.3.6.100 REL-6
>Serving Grant OP REL-6
>>Serving Grant value MP Integer (0..37，38) (0..37) indicates E-DCH serving grant index as defined in [15]；index 38 means zero grant. REL-6
>>Primary/Secondary Grant Selector MP Enumerat ed (“primary”， “secondar y”) Indicates whether the Serving Grant is received with a Primary E-RNTI or Secondary E-RNTI. REL-6
E-DPCCH/DPCCH power offset OP Integer (0..8) Refer to quantization of the power offset in[28]. REL-6
Reference E-TFCIs OP 1 to 8 See[29].
>Reference E-TFCI MP Integer (0..127) REL-6
>Reference E-TFCI PO MP Integer (0..29) Refer to quantization of the power offset in[28]. REL-6
Power Offset for Scheduling Info OP Integer (0..6) Only used when no MACd PDU’s are included in the same REL-6
MACe PDU. Unit is in dB.
3-Index-Step Threshold OP Integer (0..37) Refers to an index in the “SG-Table” (see[15]). REL-6
2-Index-Step Threshold OP Integer (0..37) Refers to an index in the “SG-Table” (see[15]). REL-6
Mininum-Grant-Index-Step Size OP Integer (0..16) Refersto an index in the “SG-Table” (see[15]). Default value is 0. REL-6
>E-HICH Information OP E-HICH Info 10.3.6.101 This IE is not present if the serving E-DCH cell is added to the active set with this message. REL-6
>CHOICE E-RGCH Information OP This IE is not present if the serving E-DCH cell is added to the active set with this message
>>E-RGCH Information E-RGCH Info 10.3.6.102 REL-6
>>E-RGCH release indicator REL-6
E-DCH RL Info other cells OP 1 to <max EDC HRL> This IE is not allowed to include information on a RL added by this message
>Primary CPICH info MP Primary CPICH info 10.3.6.60 REL-6
>CHOICE E-HICH Information OP
>>E-HICH Information E-HICH Info 10.3.6.101 REL-6
>>E-HICH release indicator REL-6
>CHOICE E-RGCH Information OP
>>E-RGCH Information E-RGCH Info 10.3.6.102 REL-6
>>E-RGCH release indicator REL-6
Table 6 E-DPDCH Info
Information Element/Group name Need Multi Type and reference Semantics description Versio n
E-TFCI table index MP Integer (0..1) Indicates which standardised E-TFCI TB size table shall be used REL-6
E-DCH minimum set E-TFCI MD Integer (0..127) See[15]；Absence means no E-DCH minimum set REL-6
Reference E-TFCIs MP 1 to 8 See[29] REL-6
>Reference E-TFCI MP Integer (0..127) REL-6
>Reference E-TFCI PO MP Integer (0..29) Refer to quantization of the power offset in [28] REL-6
Maximum channelisation codes MP Enumerat ed (sf64， sf32， sf16，sf8， sf4，2sf4， 2sf2， 2sf2and2 sf4) REL-6
PLnon-max MP Real (0.44..1.0 by step of 0.04) As defined in[27] REL-6
Scheduling Information Configuration MP REL-6
>Periodicity for Scheduling Info-no grant MD Enumerat ed (everyED CHTTI，4， 10，20，50， 100，200，5 00，1000) Values in ms. Default value is “no report” NOTE. REL-6
>Periodicity for Scheduling Info-grant MD Enumerat ed (everyED CHTTI，4， 10，20，50， 100，200，5 00，1000) Values in ms. Default value is “no report” NOTE. REL-6
>Power Offset for Scheduling Info MP Integer (0..6) Only used when no MACd PDUs are included in the same MACe PDU. Unit is in dB. REL-6
Scheduled Transmission configuration MP REL-6
>2ms scheduled transmission grant HARQ process allocation MD Bitstring (8) MAC-d PDUs belonging to MAC-d flows not configured with a “Max MAC-e PDU contents size”are only allowed to be transmitted in those processes for which the bit is set to“1”. Bit 0 corresponds to HARQ process 0，bit 1 corresponds to HARQ process 1，... Default value is： transmission in all HARQ processes is allowed.Bit 0 is the first/leftmost bit of the bit string. REL-6
>Serving Grant OP REL-6
>>Serving Grant value MP Integer (0..37，38) (0..37) indicates E-DCH serving grant index as defined in [15]； index 38 means zero grant. REL-6
>>Primary/Secondary Grant Selector MP Enumerat ed (“primary”， “secondar y”) Indicates whether the Servinq Grant is received with a PrimaryE-RNTI or Secondary E-RNTI REL-6
3-Index-Step Threshold MD Integer (0..37) Refers to an index in the“SG-Table” (see[15]). Default value is 0. REL-6
2-Index-Step Threshold MD Integer (0..37) Refers to an index in the“SG-Table” (see[15]). Default value is 0. REL-6
Mininum-Grant-Index-Ste p Size OP Integer (0..16) Refers to an index in the “SG-Table”(see [15]). Default value is 0. REL-6
NOTE：If the Periodicity is set to 4ms and the E-DCH TTI is set to 10ms，the UE shall interpret the periodicity value as 10ms.
In the present invention, RNC is the lifting step-length N (0≤N≤15) that SG of UE configuration upgrades, and this step-length is only effective when UE uses minimum SG.As UE when using minimum SG and when receiving the relative authorization command RG=UP of scheduler, can upgrade the SG of UE according to the lifting step-length of configured in advance, thereby guarantee that UE can obtain sufficiently high mandate and send the more data of bit rate.
The concrete operations step that the present invention comprises is as follows:
Step 1:RNC is according to the size of the type decided RLC PDU of uplink service, and the minimum RLC PDU size that wherein needs to carry out the business of HSUPA scheduling can correspond to the needed mandate of the minimum scheduled transmission Mini-Sch-Grant of UE;
Step 2:RNC calculates UE needed minimum authorization Minimum-Grant when only transmitting the packet of TB=18;
Step 3:RNC calculate respectively Mini-Sch-Grant corresponding to the index SG-Ind-Mini-Sch in the table 1 and Minimum-Grant corresponding to index SG-Ind-Mini in the table 1, Minimum-Grant is 0 corresponding to index in the table 1 usually.Calculate Delta-SG-Ind:
Delta-SG-Ind＝SG-Ind-Mini-Sch-SG-Ind-Mini (1)
Step 4:RNC is by NBAP signaling (Node B Application Part): cell (InformationElement) Minimum-Grant-index-step-size in the RADIO LINKRECONFIGURATION PREPARE/RADIO LINK RECONFIGURATION REQUEST/RADIOLINK SETUP REQUEST/RADIO LINK ADDITION message disposes the B to Node with Delta-SG-Ind;
Step 5:RNC is by RRC signaling (Radio Resource Control): cell (InformationElement) Minimum-Grant-index-step-size in the CELL UPDATECONFIRM/PHYSICAL CHANNEL RECONFIGURATION/TRANSPORT CHANNELRECONFIGURATION/RADIO BEAR SETUP REQUEST/RADIO BEARRECONFIGURATION/CELL UPDATE CONFIRM message disposes Delta-SG-Ind to UE.
Like this, when the SG of UE equals Minimum_Grant, UE receives the RG=UP order, the SG of UE is updated to SG=Minimum_Grant+Delta-SG-Ind, the SG that just can guarantee UE can send the packet of the pairing RLC PDU of SG-Ind-Mini-Sch SIZE, can upgrade the SG of UE according to the lifting step-length of configured in advance, thereby guarantee that UE can obtain sufficiently high mandate and send the more data of bit rate.By the present invention, use RG just can obtain scheduling, and needn't use the AG order, thereby saved scheduling resource the UE that is in minimum scheduling authorization state, improved the efficient of scheduling.
Embodiment with RNC dynamic assignment RG step-length in the HSUPA system further specifies the present invention below.
According to invention step 1, when UEi initiated business, RNC according to the size of type of service decision RLC PDU, was 160 for example at first, adds the message expense, corresponding TB=186, Mini_Sch_Grant=(9/15) ^2;
According to invention step 2, the size of Minimum_Grant was (5/15) ^2 when RNC calculated TB=18;
According to invention step 3, the SG-Ind-Mini-Sch of Mini_Sch_Grant correspondence is 4, and the SG-Ind-Mini of Minimum_Grant correspondence is 0, so Delta-SG-Ind=4;
According to invention step 4, RNC is by NBAP signaling (Node B Application Part): the Minimum-Grant-index-step size in the E-DPCH Information cell (InformationElement) (shown in the table 3) in the RADIOLINK RECONFIGURATION PREPARE/RADIO LINK RECONFIGURATION REQUEST/RADIO LINK SETUP REQUEST message disposes the B to Node with Delta-SG-Ind=4;
According to invention step 5, RNC is by RRC signaling (Radio Resource Control): the E-DPDCH Info (as shown in table 6) in the CELLUPDATE CONFIRM/PHYSICAL CHANNEL RECONFIGURATION/TRANSPORT CHANNELRECONFIGURATION/RADIO BEAR SETUP REQUEST/RADIO BEARRECONFIGURATION/CELL UPDATE CONFIRM message and the Minimum-Grant-index-step-size in E-DCH reconfiguration information (as shown in table 5) cell (Information Element) dispose Delta-SG-Ind=4 to UE.
At this moment when the SG of UE was Mininum_Grant, the RG=UP order can be brought up to SG=Mininum_Grant+4 with the SG of UE, and this moment, the SG of UE can send the packet of TB=186.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.

Claims (5)

1, a kind of RG of use orders the method that UE is dispatched, it is characterized in that: when UE needs scheduling authorization, come configuration UE to use minimum SG by the Mininum-Grant-Index-Step-Size information in NBAP agreement and the RRC agreement, make UE when receiving RG, can dispatch UE by sending the RG order, wherein, described Mininum-Grant-Index-Step-Size information is included in the enhancing Dedicated Physical Control Channel and E-DCH reconfiguration message channel of the E-DPCH channel information of NBAP agreement and RRC agreement.
2, a kind of method that improves wireless communication up-grouping dispatch, be applied in UE when using minimum SG and UE receive the relative authorization command RG=UP of scheduler, according to the SG of the config update UE that sets, described method comprises:
(1), RNC is according to the size of the type decided RLC PDU of uplink service, the minimum RLC PDU size that wherein needs to carry out the business of HSUPA scheduling corresponds to the needed mandate of the minimum scheduled transmission Mini_Sch_Grant of UE;
(2), RNC determines the minimum authorization Minimum_Grant that needs when UE only transmits the packet of TB=18;
(3), RNC determine respectively Mini_Sch_Grant corresponding to the index SG-Ind-Mini-Sch in the SG table and Minimum_Grant corresponding to the index SG-Ind-Mini in the SG table, and definite Delta-SG-Ind;
(4), RNC disposes the B to Node by the Minimum-Grant-index-step-size cell in the NBAP signaling with Delta-SG-Ind;
(5), RNC disposes Delta-SG-Ind to UE by the Minimum-Grant-index-step-size cell in the RRC signaling.
3, method as claimed in claim 2 is characterized in that: in the described step (3), RNC utilizes following formula to determine Delta-SG-Ind:
Delta-SG-Ind＝SG-Ind-Mini-Sch-SG-Ind-Mini
4, method as claimed in claim 2, it is characterized in that: in the described step (3), RNC is by the NBAP signaling: the cell Minimum-Grant-index-step-size in the RADIO LINK RECONFIGURATION PREPARE/RADIO LINKRECONFIGURATION REQUEST/RADIO LINK SETUP REQUEST/RADIO LINKADDITION message disposes the B to Node with Delta-SG-Ind.
5, method as claimed in claim 2, it is characterized in that: in the described step (4), RNC is by the RRC signaling: the cell Minimum-Grant-index-step-size in the CELL UPDATE CONFIRM/PHYSICAL CHANNEL RECONFIGURATION/TRANSPORT CHANNEL RECONFIGURATION/RADIO BEAR SETUP REQUEST/RADIOBEAR RECONFIGURATION/CELL UPDATE CONFIRM message disposes Delta-SG-Ind to UE.
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