CN101060656B - Service authorization parameter control method and user equipment in an enhanced special channel - Google Patents

Abstract

The related control method for business authorized parameter on E-DCH comprises: if Serving_Grant=Zero_Grant in current TTI, receiving RG command 'DOWN' from E-DCH non-business RL, setting Maximum_Serving_Grant as the value at least lower one-class relative to value in scheduling table of reference_ETPR, and setting Non_Serving_RG_Timer to limit value of Serving_Grant not beyond the Maximum_Serving_Grant in pre-set time, wherein the reference_ETPR is the power ratio of E-DPDCH and DPCCH of TTI in one HARQ process.

Description

The control method and the subscriber equipment of service authorization parameter in the dedicated channel that strengthens

Technical field

The present invention relates to moving communicating field, particularly the control technology of service authorization parameter in the dedicated channel of enhancing (EnhancedDedicated Channel is called for short " E-DCH ").

Background technology

Third generation partner program (3rd Generation Partnership Project, abbreviation " 3GPP ") vital tissue as moving communicating field has promoted 3G (Third Generation) Moblie (The Third Generation, be called for short " 3G ") standardization effort of technology, the carrying of uplink and downlink business all is based on dedicated channel in its early stage protocol version.

Along with the development of mobile communication technology, 3G technology is also in constantly development evolution.High speed downlink packet inserts (High Speed Downlink Packet Access is called for short " HSDPA ") and high speed uplink packet access (High Speed Uplink Packet Access is called for short " HSUPA ") is exactly the important evolution of 3G technology.The scheduling of the packet among HSDPA and the HSUPA and re-transmission etc. are controlled by base-station node (Node B).

Wherein, HSUPA is called E-DCH again, as the high speed uplink data packet access technique, has been incorporated in 2004 among the 3GPP the 6th edition (Release 6, are called for short " R6 ").Except 10 milliseconds of (ms) Transmission Time Interval (Transmission Time Interval, be called for short " TTI "), E-DCH has also adopted 2ms TTI and shorter frame length to realize quick self-adapted control, use simultaneously and mix automatic repeat requests (Hybrid Auto Repeat reQuest, be called for short " HARQ ") and based on the fast uplink dispatching technique of Node B, thereby improved up spectrum efficiency, and it is fast to have uplink speed, remarkable advantages such as propagation delay time is little, thus be the real-time game business, file is uploaded, the application of grouping data services such as broadband multimedia services provides more effective support.The HARQ technological synthesis forward error correction and re-transmission, the physical layer that is used for E-DCH retransmits fast, and by first biography and the soft merging between retransmitting improve the decoding performance of physical layer.

For subscriber equipment (User Equipment, abbreviation " UE ") high-efficiency transfer of upstream data, E-DCH has increased two uplink physical channels and three down physical channels newly, they are respectively up E-DCH dedicated data transmission channel (the E-DCH Dedicated PhysicalData Channel that is used for carrying user data, be called for short " E-DPDCH "), be used to transmit accompanied by physical layer signaling, for the E-DPDCH demodulation provides the up E-DCH Dedicated Control Channel of following signaling (E-DCH Dedicated PhysicalControl Channel, be called for short " E-DPCCH "), be used to control E-DCH absolute grant channel (the E-DCH Absolute Grant Channel of the uplink speed of UE, be called for short " E-AGCH ") and E-DCH relative authorization channel (E-DCH Relative Grant Channel, be called for short " E-RGCH "), and be used to carry the E-DCH retransmission indicating chanel of confirmation (ACK/NACK) (E-DCH HARQ Indicator Channel is called for short " E-HICH ") of the whether correct affirmation of up process data transmission/not.

Wherein, the last carrying of E-AGCH be absolute grant (Absolute Grant is called for short " the AG ") order of E-DCH Serving cell, the last carrying of E-RGCH be that relative authorization (Relative Grant is called for short " RG ") is ordered.Wherein, the AG order is divided into the basic absolute grant and the second absolute grant dual mode again; And RG comprises the RG order of (Radio Link Set is called for short " RLS ") of E-DCH service Radio Link collection, promptly is called service RG order, and the RG order of the non-service Radio Link of E-DCH (Radio Link is called for short " RL "), promptly is called non-service RG order.

The method of synchronization is adopted in the processing of HARQ process among the E-DCH, i.e. the initial transmission of certain HARQ process and re-transmission always occurs in the fixing moment.To 2ms TTI pattern, always have 8 parallel HARQ processes; To 10ms TTI pattern, always have 4 parallel HARQ processes. wherein, each HARQ process all has corresponding maximum transmission times. and to the situation that SI transmits separately, maximum the number of transmissions is fixed as 8 times; SI is controlled (Medium Access Control with data in media interviews, be called for short " MAC ")-e protocol Data Unit (Protocol Data Unit, be called for short " PDU ") middle situation about transmitting, maximum number of retransmissions is by the HARQ configuration parameter decision of the E-DCH MAC-d stream of data division among this MAC-e PDU, this parameter is by Radio Resource control (Radio Resource Control, abbreviation " RRC ") information unit (Information Element, be called for short " IE ") " E-DCH MAC-d flow maximum number ofretransmission (E-DCH MAC-d flows maximum retransmission) " definition, its span is 0～15.

To 2ms TTI pattern, Node B can dispose some HARQ process and not allow to carry out scheduled transmission (Scheduled Transmission).Even to allowing to carry out the HARQ process of scheduled transmission, Node B also can allow certain or all allow to carry out the HARQ process transmitting and scheduling transmission (corresponding HARQ process is called active HARQ process) of scheduled transmission, or stops certain or all allow to carry out the transmission (corresponding HARQ process be called inactive HARQ process) of the HARQ process of scheduled transmission to scheduled transmission.

The up fast packet scheduling of E-DCH is based on that the authorization of service (Serving Grant is called for short " SG ") of Node B control realizes.In order to simplify the control of the up fast packet scheduling of E-DCH, a UE safeguards an authorization of service (Serving_Grant) parameter, and the scheduled transmission of all HARQ processes of this UE is controlled by this single S erving_Grant parameter all.The Serving_Grant parameter is defined as this UE allows to be used for the maximum of scheduled transmission in subsequent transmission E-DPDCH and Dedicated Physical Control Channel (DedicatedPhysical Control Channel, abbreviation " DPCCH ") power ratio, its possible value comprise that zero authorizes " Zero_Grant " and other digital value.The Serving_Grant parameter is subjected to the influence that the AG of E-DCH Serving cell orders, the RG of E-DCH service RLS orders and the RG of the non-service of E-DCH RL orders simultaneously.Wherein, the RG order of the AG order of E-DCH Serving cell and E-DCH service RLS all is used for the E-DCH scheduling controlling, the RG order of the non-service of E-DCH RL is used for overload control purpose, i.e. RG order by the non-service of E-DCH RL reduces the uplink interference of other sub-district E-DCH to this sub-district.

The AG order can act on each TTI, and its value is as shown in table 1.

Absolute Grant Value absolute grant value	The Index index
		(168/15) 2x6	31
(150/15) 2x6	30
		(168/15) 2x4	29
(150/15) 2x4	28
		(134/15) 2x4	27
(119/15) 2x4	26
		(150/15) 2x2	25

Absolute Grant Value absolute grant value	The Index index
		(95/15) 2x4	24
(168/15) 2	23
		(150/15) 2	22
(134/15) 2	21
		(119/15) 2	20
(106/15) 2	19
		(95/15) 2	18
(84/15) 2	17
		(75/15) 2	16
(67/15) 2	15
		(60/15) 2	14
(53/15) 2	13
		(47/15) 2	12
(42/15) 2	11
		(38/15) 2	10
(34/15) 2	9
		(30/15) 2	8
(27/15) 2	7
		(24/15) 2	6
(19/15) 2	5
		(15/15) 2	4
(11/15) 2	3

Absolute Grant Value absolute grant value	The Index index
		(7/15) 2	2
ZERO_GRANT *	1
		INACTIVE *	0

Table 1

Wherein " INACTIVE " is used to stop the HARQ process and controls basic absolute grant switch to second absolute grant.RG order comprises the RG order of E-DCH service RLS and the RG order of the non-service of E-DCH RL, all is interpreted as the relative variation with respect to the E-DPDCH power that is used for the transmitting and scheduling transmission of the previous TTI of same HARQ process, as shown in Figure 1.Wherein, the value of the RG order of E-DCH service RLS is three kinds of " UP (rising) ", " DOWN (declines) " and " HOLD (maintenance) "; And the RG order value of the non-service of E-DCH RL is " DOWN (decline) " and " HOLD (maintenance) " two kinds.

The Serving_Grant parameter of E-DCH is all upgraded operation and mainly was divided into for two steps at each TTI, at first be to upgrade, upgrade according to the RG order of the non-service of E-DCH RL on this basis then according to the AG order of E-DCH Serving cell and the RG order of E-DCH service RLS.Wherein, as shown in Figure 2 according to the Serving_Grant parameter updating operation of the RG order of the non-service of E-DCH RL.

Judge whether that at first this TTI receives the RG order of the value of the non-service of at least one E-DCH RL for " DOWN ", and current Serving_Grant parameter is not equal to " Zero_Grant ", if then carry out following processing:

For calculating a candidate, the RG of " DOWN " authorizes Serving_Grant according to this value _{Non-ServingRG}

Serving_Grant＝MIN(Serving_Grant，Serving_Grant _{Non-ServingRG})；

Maximum_Serving_Grant＝Serving_Grant；

Start immediately if Non_Serving_RG_Timer is inactive, otherwise restart once more;

If do not satisfy then to judge whether that Non_Serving_RG_Timer does not also have expired, if then Serving_Grant=MIN (Maximum_Serving_Grant, Serving_Grant).Wherein, the timing length of Non_Serving_RG_Timer is the time in a week back and forth (Round Trip Time is called for short " RTT ") of a HARQ process.Specifically, be 8 TTI, i.e. 16ms to 2ms TTI pattern; To 10ms TTI pattern is 4 TTI, i.e. 40ms.

Wherein, the candidate authorizes Serving_Grant _{Non-ServingRG}It is value than reference_ETPR low grade in pairing scheduling authorization table.Specifically, Serving_Grant _{Non-ServingRG}For index in the scheduling authorization table of relative authorization command institute foundation is MAX (SG _LUPR-1,0) value, wherein, described scheduling authorization table is as shown in table 2, SG _LUPRIt is the index of the pairing described scheduling authorization table of minimum value of all values that are equal to or greater than variable reference_ETPR in the scheduling authorization table; Reference_ETPR is the E-DPDCH that is used for transmitting and scheduling transmission of actual employing of previous TTI of same HARQ process and the power ratio of DPCCH, if the previous TTI of same HARQ process does not have transmitting and scheduling to send, then the value of reference_ETPR is taken as the minimum M inimum_Grant in the described scheduling authorization table, i.e. (5/15) ²

The Index index	Scheduled Grant scheduling authorization
		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

The Index index	Scheduled Grant scheduling authorization
		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

In actual applications, such scheme exists the performance of following problem: E-DCH scheduling low, the Serving_Grant parameter value is existed uncertain.

Cause the main cause of this situation to be, because the condition that the RG order control Serving_Grant parameter value of the non-service of E-DCH RL reduces is that certain TTI receives the RG order of the value of the non-service of at least one E-DCH RL for " DOWN ", and the Serving_Grant parameter is not equal to " Zero_Grant ", if the i.e. Serving_Grant=Zero_Grant of current TTI, then do not respond of the RG order of the value of the non-service of E-DCH RL for " DOWN ". like this, if following situation takes place: before the current TTI of this HARQ process and in the time after the previous TTI of this HARQ process, receive that the value that the E-DCH Serving cell sends is the AG order of " Zero_Grant ", but thereafter because the data buffer zone of UE has new data to arrive, UE will send the Serving_Grant parameter value of new SI with non-" Zero_Grant " that please look for novelty, if the RTT of a HARQ process after the TTI of the RG order of receiving the non-service of E-DCH RL is in the time, UE receives the Serving_Grant parameter value of new non-" Zero_Grant " that the E-DCH Serving cell sends according to its SI report and by E-AGCH, then the Serving_Grant parameter will be updated to this new value immediately. obviously, this new Serving_Grant parameter value is not considered the requirement of transmission value for the minimizing load of the non-service of the E-DCH RL of the RG order of " DOWN ", therefore this new Serving_Grant parameter value may still can make this transmission value overload occur for the non-service of the E-DCH RL of the RG order of " DOWN ", as shown in Figure 3, thus reduce the performance of E-DCH scheduling.

To 2ms TTI pattern, the non-service of E-DCH RG order control procedure still responds the RG order of the value of the non-service of E-DCH RL for " DOWN " when allowing all HARQ processes all to stop, if and when taking place with Fig. 3 analogue, as shown in Figure 4, the value of the non-service of E-DCH RL has obtained response for the RG order of " DOWN ".Allow the RG order for " DOWN " of situation response that all HARQ processes all stop in the prior art, not allowing at the Serving_Grant parameter value is that response then is irrational for the RG order of " DOWN " under the situation of Zero_Grant.

Because the value of " Zero_Grant " is not done clear and definite regulation, at the Serving_Grant of the RG of the non-service RL according to E-DCH order more in the new technological process, as shown in Figure 2, in the still not out of date TTI of Non_Serving_RG_Timer, the value of not receiving the non-service of E-DCH RL is the RG order of " DOWN " but receives the AG order of the value of E-DCH Serving cell for " Zero_Grant ", and according to Serving_Grant=MIN (Maximum_Serving_Grant Serving_Grant) determines final Serving_Grant value.But because " Zero_Grant " of Serving_Grant parameter is Not-a-Number at this moment, therefore in this case, the Serving_Grant value exists uncertain.

Summary of the invention

In view of this, main purpose of the present invention is to provide the control method and the subscriber equipment of service authorization parameter in a kind of dedicated channel of enhancing, makes the performance of E-DCH scheduling be improved.

For achieving the above object, the invention provides the control method of service authorization parameter in a kind of dedicated channel of enhancing, if subscriber equipment receives the relative authorization command of low service authorization parameter Serving_Grant value of indicating to beg to surrender of the non-service Radio Link of the dedicated channel E-DCH of self-reinforcing, and current Serving_Grant value is zero mandate Zero_Grant, then carries out following steps:

A is provided with the Upper threshold Maximum_Serving_Grant that described Serving_Grant value can not surpass in the scheduled time length according to the relative authorization command of the non-service Radio Link of described E-DCH;

B is restricted to described Serving_Grant value smaller or equal to Maximum_Serving_Grant in described scheduled time length after this.

Wherein, in the described steps A, described Upper threshold Maximum_Serving_Grant tries to achieve according to variable reference_ETPR corresponding index in the scheduling authorization table of relative authorization command institute foundation;

Wherein, described variable reference_ETPR is the E-DPDCH that is used for transmitting and scheduling transmission of actual employing of previous Transmission Time Interval TTI of same HARQ process and the power ratio of DPCCH, if the previous TTI of same HARQ process does not have transmitting and scheduling to send, the value of then described variable reference_ETPR is taken as the minimum M inimum_Grant in the described scheduling authorization table.

In this external described method, in the described steps A, described Maximum_Serving_Grant is set to equal the candidate and authorizes;

Wherein, described candidate's mandate is MAX (SG for index in the described scheduling authorization table _LUPR-1,0) value, wherein, SG _LUPRBe the index of the pairing described scheduling authorization table of minimum value of all values that are equal to or greater than described variable reference_ETPR in the described scheduling authorization table, the MAX function representation get in each parameter maximum one as its result.

In this external described method, in the described steps A, described Maximum_Serving_Grant fixedly installs and is Minimum_Grant.

In this external described method, in the described steps A, described Maximum_Serving_Grant is set to less than the arbitrary value of described candidate's mandate greater than Minimum_Grant.

In this external described method, if subscriber equipment is received the relative authorization command of low Serving_Grant value of indicating to beg to surrender from the non-service Radio Link of E-DCH, and the value of Serving_Grant is not Zero_Grant, then carries out following steps:

Be provided with Serving_Grant=MIN (candidate authorizes, Serving_Grant), wherein the MIN function representation get minimum in each parameter one as its result;

The value of described Maximum_Serving_Grant is set to the value of Serving_Grant;

In described scheduled time length after this, the value of Serving_Grant is restricted to smaller or equal to Maximum_Serving_Grant.

In this external described method, in described scheduled time length, the step that the value of Serving_Grant is restricted to smaller or equal to Maximum_Serving_Grant comprises following substep:

Judge whether the timer Non_Serving_RG_Timer that presets described scheduled time length starts,, otherwise start Non_Serving_RG_Timer if then restart Non_Serving_RG_Timer;

In each TTI, if do not receive the relative authorization command of low Serving_Grant value of indicating to beg to surrender from the non-service Radio Link of E-DCH, judge then whether Non_Serving_RG_Timer is also not overtime, if then be provided with Serving_Grant=MIN (Maximum_Serving_Grant, Serving_Grant).

In this external described method, when current Serving_Grant value was Zero_Grant, Serving_Grant=MIN is set, and (Maximum_Serving_Grant, result Serving_Grant) was taken as Zero_Grant.

In this external described method, the described relative authorization command of hanging down service authorization parameter Serving_Grant value of indicating to beg to surrender from the non-service Radio Link of E-DCH is " DOWN ".

The present invention also provides a kind of subscriber equipment, comprises:

Maximum_Serving_Grant is set to first module of the value of non-Zero_Grant;

At the fixed time in the length, the value of Serving_Grant is restricted to second module smaller or equal to Maximum_Serving_Grant;

Judge module, be used to judge whether to receive the relative authorization command of low Serving_Grant value of indicating to beg to surrender from the non-service Radio Link of E-DCH, and the value of Serving_Grant is Zero_Grant, if then indicate described first module and second module to carry out function corresponding.

Wherein, in described first module, Maximum_Serving_Grant is set to one of following value:

Candidate's mandate, Minimum_Grant or authorize arbitrary value greater than Minimum_Grant less than the candidate;

Wherein, described candidate authorizes the little grade of Serving_Grant than a TTI on the same mixed self-adapting retransmission request process, if a last TTI does not have transmitting and scheduling to send or Serving_Grant has been Minimum_Grant, then this candidate authorizes and gets Minimum_Grant.

By relatively finding, the main distinction of technical scheme of the present invention and prior art is, if receive of the RG order of the value of the non-service of E-DCH RL during the Serving_Grant=Zero_Grant of current TTI for " DOWN ", then Maximum_Serving_Grant is arranged to hang down in pairing scheduling authorization table than reference_ETPR at least the value of a grade, and the setting by Non_Serving_RG_Timer, the value of restriction Serving_Grant is no more than Maximum_Serving_Grant. like this in the length at the fixed time, even when Serving_Grant=Zero_Grant, " DOWN " of the non-service of E-DCH RL thus order still can be played the effect of application---in the regular hour section, Serving_Grant is effectively limited. reduce the interference of UE in time, improved the performance of E-DCH scheduling the E-DCH non-service cell.

Clearly stipulated the digital value of Zero_Grant in addition less than any non-Zero_Grant.Zero_Grant is a particular value, though there is zero implication not represent 0 simply in the title, its magnitude relationship with non-Zero_Grant digital value do not made clearly in the prior art and stipulating.Uncertainty when the present invention has reduced by making clear and definite regulation that related art scheme realizes.

Description of drawings

Fig. 1 is the timing relationship schematic diagram of RG in the prior art;

Fig. 2 is the Serving_Grant parameter updating method flow chart of the RG order of the non-service of E-DCH RL in the prior art;

Fig. 3 is a scheduled transmission schematic diagram in the HARQ process in the prior art;

Fig. 4 is a scheduled transmission schematic diagram in the HARQ process in the prior art;

Fig. 5 is according to Serving_Grant parameter control method flow diagram among the E-DCH of first embodiment of the invention;

Fig. 6 is according to Serving_Grant parameter control method flow diagram among the E-DCH of second embodiment of the invention.

Embodiment

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 accompanying drawing.

The present invention is at the Serving_Grant parameter value of the RG of the non-service RL according to E-DCH order more in the new technological process, when allowing the Serving_Grant=Zero_Grant of current TTI, UE still responds the RG order of the value of the non-service of E-DCH RL for " DOWN ", i.e. the condition that the RG order control Serving_Grant parameter value of the non-service of E-DCH RL reduces is only received the RG order of the value of the non-service of at least one E-DCH RL for " DOWN " for certain TTI.No matter and why the Serving_Grant parameter of current TTI is worth, like this, feasible Serving_Grant parameter for current TTI is the situation of " Zero_Grant ", in the timing length (i.e. the RTT of a HARQ process) of a Non_Serving_RG_Timer after the RG order that the non-value of serving RL of this E-DCH is " DOWN ", the value of the parameter S erving_Grant of SG is no more than the maximum Maximum_Serving_Grant that is allowed.

Serving_Grant parameter control method as shown in Figure 5 among the E-DCH of first embodiment of the invention.

In step 501, in current TTI, whether UE receives the RG order of indicating to beg to surrender and hanging down the Serving_Grant parameter value from the non-service of at least one E-DCH RL, receive that promptly the value from the non-service of E-DCH RL is the RG order (no matter why the Serving_Grant parameter of current TTI is worth) of " DOWN ", if then change step 502 over to; Otherwise, change step 508 over to.

In step 502, calculate a candidate according to this value for the RG order of " DOWN " and authorize (Serving_Grant _{Non-ServingRG}).And enter step 503.

In step 503, judge whether the Serving_Grant parameter value is " Zero_Grant ", if then change step 504 over to; Otherwise, change step 505 over to.

In step 504, the Upper threshold Maximum_Serving_Grant value of Serving_Grant parameter is authorized for equaling the candidate.

Wherein, the candidate authorizes the little grade of Serving_Grant parameter value than a TTI on the same HARQ process, if a last TTI does not have transmitting and scheduling to send or current Serving_Grant parameter has been the minimum non-zero value, then this candidate authorizes and gets the minimum non-zero value.Change step 507 over to.

In step 505, in scheduled time length after this, current Serving_Grant parameter value is restricted to smaller or equal to Upper threshold, promptly the Serving_Grant parameter value is MIN (a current Serving_Grant parameter value, the candidate authorizes).Enter step 506.

Wherein, the MIN function representation get in each parameter minimum one as its result.

The present invention has clearly stipulated " Zero_Grant " Serving_Grant parameter value less than any non-zero, and " Zero_Grant " is a particular value, though there is zero implication not represent 0 simply in the title.Yet, its magnitude relationship with non-" Zero_Grant " digital value is not made clearly regulation in the prior art, so the uncertainty of the present invention when making that clearly regulation has reduced the related art scheme realization.

In step 506, set the current Serving_Grant parameter value of Maximum_Serving_Grant=.Change step 507 too over to.

In step 507, in scheduled time length after this, judge that timer Non_Serving_RG_Timer (has preset scheduled time length, be the RTT of a HARQ process) whether start, if started then restarted Non_Serving_RG_Timer, if Non_Serving_RG_Timer is in non-active state (not starting), then start Non_Serving_RG_Timer.Process ends.

In step 508, in each TTI, under the situation of " DWON " order of not receiving non-service RL, judge whether Non_Serving_RG_Timer is also not overtime, if then change step 509 over to from E-DCH; Otherwise, direct process ends.

In step 509, the Serving_Grant parameter value is MIN (Maximum_Serving_Grant, a current Serving_Grant parameter value), promptly at the fixed time in the length, current Serving_Grant parameter value is restricted to smaller or equal to Upper threshold.If current Serving_Grant value is Zero_Grant, Serving_Grant=MIN then is set, and (Maximum_Serving_Grant, result Serving_Grant) will be taken as Zero_Grant.

Same process ends.

In two branches of step 501, if walk 502 branches, then the Serving_Grant parameter value generally can fall one-level, at least can not surpass Maximum_Serving_Grant, if walk 508 branches then just can not surpass Maximum_Serving_Grant as long as Non_Serving_RG_Timer is also not overtime.Integrate, can guarantee that the value of Serving_Grant parameter is no more than Maximum_Serving_Grant in the length at the fixed time.Like this, even when Serving_Grant=Zero_Grant, " DOWN " order of the non-service of E-DCH RL still can be played the effect of application---in the regular hour section, the Serving_Grant parameter value is effectively limited.Thereby reduce the interference of UE in time, improved the performance of E-DCH scheduling the E-DCH non-service cell.

Serving_Grant parameter control method as shown in Figure 6 among the E-DCH of second embodiment of the invention.

Step 601 is similar to step 501 respectively to step 503 to step 603.

In step 604, the Upper threshold Maximum_Serving_Grant of Serving_Grant parameter value is set to minimum non-zero value Minimum_Grant.

Step 605 also is similar to step 505 respectively to step 509 to step 609, repeats no more herein.

In above-mentioned each implementation method, Upper threshold Maximum_Serving_Grant to the Serving_Grant parameter is provided with, this value can be set to value or the minimum non-zero value that the candidate authorizes, those of ordinary skills understand easily, Maximum_Serving_Grant can also be set to hang down in pairing scheduling authorization table than reference_ETPR at least other value of a grade, for example, less than the arbitrary value of candidate's mandate greater than the minimum non-zero value, these schemes all do not depart from spirit of the present invention.

The UE of third embodiment of the invention comprises module, first module, second module and the judge module of calculated candidate mandate.

Specifically, the calculating principle of the module of calculated candidate mandate is: make this candidate authorize the little grade of Serving_Grant parameter value than a TTI on the same HARQ process, if a last TTI does not have transmitting and scheduling to send or the Serving_Grant parameter value has been minimum non-zero value Minimum_Grant, then this candidate to authorize value be Minimum_Grant.

The Upper threshold Maximum_Serving_Grant that first module is used for the Serving_Grant parameter is set to be less than or equal to nonzero value that the candidate authorizes.Be that the candidate authorizes, minimum non-zero value or authorize arbitrary value greater than the minimum non-zero value less than the candidate.

Second module is used at the fixed time in the length, and the value of current Serving_Grant parameter is restricted to value smaller or equal to Maximum_Serving_Grant.

Judge module then is used to judge whether to receive that the RG that hangs down the Serving_Grant parameter value that indicates to beg to surrender from the non-service of E-DCH RL orders " DOWN ", and the value of current Serving_Grant parameter is " Zero_Grant ", if then indicate first module and second module to carry out function corresponding.

Though pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.

Claims (10)

1. the control method of service authorization parameter in the dedicated channel of an enhancing, it is characterized in that, if subscriber equipment receives the relative authorization command of low service authorization parameter Serving_Grant value of indicating to beg to surrender of the non-service Radio Link of the dedicated channel E-DCH of self-reinforcing, and current Serving_Grant value is zero mandate Zero_Grant, then carries out following steps:

A is provided with the Upper threshold Maximum_Serving_Grant that described Serving_Grant value can not surpass in the scheduled time length according to the relative authorization command of the non-service Radio Link of described E-DCH;

B is restricted to described Serving_Grant value smaller or equal to Maximum_Serving_Grant in described scheduled time length after this;

Wherein, in the described steps A, described Upper threshold Maximum_Serving_Grant tries to achieve according to variable reference_ETPR corresponding index in the scheduling authorization table of relative authorization command institute foundation, Upper threshold Maximum_Serving_Grant is arranged to hang down in pairing scheduling authorization table than variable reference_ETPR at least the value of a grade; Described variable reference_ETPR is the E-DPDCH that is used for transmitting and scheduling transmission of actual employing of previous Transmission Time Interval TTI of same HARQ process and the power ratio of DPCCH, if the previous TTI of same HARQ process does not have transmitting and scheduling to send, the value of then described variable reference_ETPR is taken as the minimum M inimum_Grant in the described scheduling authorization table.

2. the control method of service authorization parameter in the dedicated channel of enhancing according to claim 1 is characterized in that, in the described steps A, described Maximum_Serving_Grant is set to equal the candidate and authorizes;

Wherein, described candidate's mandate is MAX (SG for index in the described scheduling authorization table _LUPR-1,0) value, wherein, SG _LUPRBe the index of the pairing described scheduling authorization table of minimum value of all values that are equal to or greater than described variable reference_ETPR in the described scheduling authorization table, the MAX function representation get in each parameter maximum one as its result.

3. the control method of service authorization parameter in the dedicated channel of enhancing according to claim 1 is characterized in that, in the described steps A, described Maximum_Serving_Grant fixedly installs and is Minimum_Grant.

4. the control method of service authorization parameter in the dedicated channel of enhancing according to claim 2 is characterized in that, in the described steps A, described Maximum_Serving_Grant is set to less than the arbitrary value of described candidate's mandate greater than Minimum_Grant.

5. according to the control method of service authorization parameter in the dedicated channel of each described enhancing in the claim 1 to 4, it is characterized in that, if subscriber equipment is received the relative authorization command of low Serving_Grant value of indicating to beg to surrender from the non-service Radio Link of E-DCH, and the value of Serving_Grant is not Zero_Grant, then carries out following steps:

Be provided with Serving_Grant=MIN (candidate authorizes, Serving_Grant), wherein the MIN function representation get minimum in each parameter one as its result;

The value of described Maximum_Serving_Grant is set to the value of Serving_Grant;

In described scheduled time length after this, the value of Serving_Grant is restricted to smaller or equal to Maximum_Serving_Grant.

6. the control method of service authorization parameter in the dedicated channel of enhancing according to claim 5, it is characterized in that, in described scheduled time length, the step that the value of Serving_Grant is restricted to smaller or equal to Maximum_Serving_Grant comprises following substep:

Judge whether the timer Non_Serving_RG_Timer that presets described scheduled time length starts,, otherwise start Non_Serving_RG_Timer if then restart Non_Serving_RG_Timer;

In each TTI, if do not receive the relative authorization command of low Serving_Grant value of indicating to beg to surrender from the non-service Radio Link of E-DCH, judge then whether Non_Serving_RG_Timer is also not overtime, if then be provided with Serving_Grant=MIN (Maximum_Serving_Grant, Serving_Grant).

7. according to the control method of service authorization parameter in the dedicated channel of the enhancing described in the claim 6, it is characterized in that, when current Serving_Grant value is Zero_Grant, (Maximum_Serving_Grant, result Serving_Grant) is taken as Zero_Grant to described Serving_Grant=MIN.

8. according to the control method of service authorization parameter in the dedicated channel of each described enhancing in the claim 1 to 4, it is characterized in that the described relative authorization command of hanging down service authorization parameter Serving_Grant value of indicating to beg to surrender from the non-service Radio Link of E-DCH is " DOWN ".

9. a subscriber equipment is characterized in that, comprises:

Maximum_Serving_Grant is set to first module of the value of non-Zero_Grant;

At the fixed time in the length, the value of Serving_Grant is restricted to second module smaller or equal to Maximum_Serving_Grant;

Judge module, be used to judge whether to receive the relative authorization command of low Serving_Grant value of indicating to beg to surrender from the non-service Radio Link of E-DCH, and the value of Serving_Grant is Zero_Grant, if then indicate described first module and second module to carry out function corresponding;

Wherein, described Maximum_Serving_Grant tries to achieve according to variable reference_ETPR corresponding index in the scheduling authorization table of relative authorization command institute foundation, Maximum_Serving_Grant is arranged to hang down in pairing scheduling authorization table than variable reference_ETPR at least the value of a grade; Described variable reference_ETPR is the E-DPDCH that is used for transmitting and scheduling transmission of actual employing of previous Transmission Time Interval TTI of same HARQ process and the power ratio of DPCCH, if the previous TTI of same HARQ process does not have transmitting and scheduling to send, the value of then described variable reference_ETPR is taken as the minimum M inimum_Grant in the described scheduling authorization table.

10. subscriber equipment according to claim 9 is characterized in that, in described first module, Maximum_Serving_Grant is set to one of following value:

Candidate's mandate, Minimum_Grant or authorize arbitrary value greater than Minimum_Grant less than the candidate;

Wherein, described candidate authorizes the little grade of Serving_Grant than a TTI on the same mixed self-adapting retransmission request process, if a last TTI does not have transmitting and scheduling to send or Serving_Grant has been Minimum_Grant, then this candidate authorizes and gets Minimum_Grant.

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