CN103379639B - The distribution of E-PUCH channel and the method for reseptance of assignment information - Google Patents
The distribution of E-PUCH channel and the method for reseptance of assignment information Download PDFInfo
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Abstract
The invention provides the distribution method of the E-PUCH of HSPAUE, for supporting the HSPA that idle down channel uses as E-AGCH? UE, when there is idle HS-SCCH or DL? during DPCH, is the NodeB of community, UE place by described idle HS-SCCH or DL? the information bit territory of DPCH is as the information bit territory of E-AGCH, carry the assignment information of the E-PUCH of described UE, by HS-SCCH or DL formed? does DPCH send to this UE, and notifies this idle HS-SCCH or DL of UE? DPCH uses as E-AGCH.Application the present invention, can improve down channel resources utilance.
Description
Technical field
The present invention relates to mobile communication technology, particularly a kind of high-speed packet accesses the distribution of E-PUCH channel and the method for reseptance of assignment information of (HSPA) subscriber equipment (UE).
Background technology
HSUPA business can be configured up to UE for the UE supporting HSPA, RNC, HSDPA business can be configured to UE descending.
When UE supports HSDPA business, NODEB distributes to the assignment information of the HS-PDSCH channel of UE by HS-SCCH channel notification UE.After UE receives HS-SCCH, receive the HS-DSCH transmission block of carrying on HS-PDSCH according to the assignment information on HS-SCCH.ACK/NACK information is generated according to transmission block decoding correctness.And generate CQI information according to the signal to noise ratio of HS-PDSCH.ACK/NACK information and CQI information are fed back to NODEB by the HS-SICH matched with HS-SCCH by UE.
Under UE supports HSUPA service conditions, NODEB distributes to the assignment information of the E-PUCH channel of UE by E-AGCH channel notification UE.After UE receives E-AGCH, determine according to the assignment information on E-AGCH the E-PUCH channel distributing to it, by this channel, E-DCH transmission block is sent to NODEB.NODEB receives the transmission block of carrying on E-PUCH.Generate ACK/NACK information according to transmission block decoding correctness, and this information is carried to UE by the E-HICH channel that E-AGCH specifies.
The uplink and downlink business of UE is normally asymmetric.Sometimes, the upstream traffic being linked into each UE of community is large, and downlink traffic is little.In this case, there will be: RNC is pre-configured is in idle condition to great majority in the HS-SCCH of community, and the pre-configured E-AGCH of community that gives of RNC is in busy state.Idle HS-SCCH is thrown aside, causes the waste of down channel resources on the one hand, makes the up UE number be scheduled be subject to the restriction of E-AGCH and cannot improve on the one hand.
When UE supports HSDPA and HSUPA simultaneously, sometimes can configure the signaling that DLDPCH transmits 3.4kbps to UE.When UE can pass without signaling, now DLDPCH is idle.But idle DLDPCH can be used for sending SB or transmitting special transmission block, and such as: block length is 0, the number of block is the transmission block of 1.In this case DLDPCH is only for keeping the power of the uplink physical channel matched with it to control and Synchronization Control.DLDPCH in this situation is called idle DPCH by the present invention.
Summary of the invention
The invention provides the distribution of E-PUCH channel and the method for reseptance of assignment information of HSPAUE, descending idle channel can be utilized as E-AGCH, the assignment information of transmission E-PUCH, thus save down channel resources, improve down channel resources utilance.
For achieving the above object, the present invention adopts following technical scheme:
A distribution method for the E-PUCH channel of HSPAUE, for supporting the HSPAUE that HS-SCCH uses as E-AGCH, the method comprises:
When there is idle HS-SCCH and the NodeB of community, described UE place supports that HS-SCCH uses as E-AGCH, the NodeB of community, described UE place is using the information bit territory of the information bit territory of described idle HS-SCCH as E-AGCH, carry the E-PUCH channel allocation information of described UE, the HS-SCCH of formation is sent to described UE, and notifies that this idle HS-SCCH of described UE uses as E-AGCH.
Preferably, the method comprises further: described NodeB is in advance to RNC reporting ability information, described ability information comprises NodeB and supports that descending idle channel uses as E-AGCH, or described ability information comprises NodeB and supports that HS-SCCH uses as E-AGCH;
Described NodeB determines that described UE supports that the mode that HS-SCCH uses as E-AGCH is: the ability information that the described UE that NodeB receives RNC forwarding reports, described ability information comprises UE and supports that descending idle channel uses as E-AGCH, or described ability information comprises UE and supports that HS-SCCH uses as E-AGCH.
Preferably, described NodeB notifies that the mode that the idle HS-SCCH of described UE uses as E-AGCH is:
Sending to the HS-SCCH of described UE to comprise E-AGCH instructions field, a kind of value of described E-AGCH instructions field is used to indicate this HS-SCCH and uses as E-AGCH, and another kind of value is used to indicate this HS-SCCH and uses as HS-SCCH.
Preferably, in advance available spreading factor on HS-PDSCH in often kind of HS-SCCH form is reduced by half, using the bit number being used to indicate the initial channel code of HS-PDSCH in often kind of HS-SCCH form or stop channel code a bit of bit number as described E-AGCH instructions field.
Preferably, for the HS-SCCH form with reservation bit, using one of them reservation bit as described E-AGCH instructions field;
For the HS-SCCH form not having reservation bit, spreading factor available on HS-PDSCH in this form is reduced by half, and using the bit number being used to indicate the initial channel code of HS-PDSCH in this HS-SCCH form or stop channel code a bit of bit number as described E-AGCH instructions field.
Preferably, the information bit territory of described idle HS-SCCH as the information bit territory carrying E-PUCH channel allocation information of E-AGCH is by described NodeB:
The information bit territory pre-setting often kind of HS-SCCH form carries the form of described E-PUCH channel allocation information when using as the information bit territory of E-AGCH, wherein, in the information bit territory of described HS-SCCH, described E-AGCH instructions field is removed, take out from remaining information bit N number of bit respectively with N number of bit one_to_one corresponding of often kind of E-AGCH form, for carrying the E-AGCH information of corresponding bit; N is all bit numbers of comprising of E-AGCH form or effective number of bits;
When carrying E-PUCH channel allocation information, described NodeB determines the E-AGCH form adopted according to the current state of described UE, and according to the corresponding relation pre-set, by the information bit territory of the E-PUCH channel allocation information of carrying on the described E-AGCH determined write HS-SCCH.
Preferably, the TPC territory on described idle HS-SCCH and SS territory are respectively used to uplink power control commands and the uplink synchronous control command of carrying E-PUCH.
A method of reseptance for the E-PUCH channel allocation information of HSPAUE, for supporting the HSPAUE that HS-SCCH uses as E-AGCH, the method comprises:
Described UE is according to supporting the notice that idle HS-SCCH sends as the NodeB that E-AGCH uses, and determine to specify idle HS-SCCH to use as E-AGCH, described notice is used for informing specifies idle HS-SCCH to use as E-AGCH described in UE;
Described UE resolves the information bit territory of the idle HS-SCCH of described appointment according to E-AGCH, determines the assignment information of the E-PUCH channel that described NodeB configures.
Preferably, the method comprises further: described UE is in advance to RNC reporting ability information, and described ability information comprises UE and supports that descending idle channel uses as E-AGCH, or described ability information comprises UE and supports that HS-SCCH uses as E-AGCH;
Described UE determines that described NodeB supports that the mode that HS-SCCH uses as E-AGCH is: described UE receives the ability information of the described NodeB that RNC forwards in advance, determines that described NodeB supports that HS-SCCH uses as E-AGCH; Described ability information comprises NodeB and supports that descending idle channel uses as E-AGCH, or NodeB supports that HS-SCCH uses as E-AGCH;
Described UE receives the notice that RNC sends in advance, if notify, the idle down channel of described UE or HS-SCCH do not use as E-AGCH, described UE determines that the NodeB of its community, place does not support that HS-SCCH uses as E-AGCH, and described UE is according to existing reception of beacons and process HS-SCCH.
Preferably, described UE determines to specify idle HS-SCCH to use as E-AGCH according to the notice that described NodeB sends to be:
UE receives arbitrary HS-SCCH, if the E-AGCH instructions field preset in this HS-SCCH indicates this HS-SCCH to use as E-AGCH, then described UE determines that the HS-SCCH of current reception uses as E-AGCH.
Preferably, the information bit territory that described UE resolves the idle HS-SCCH of described appointment according to E-AGCH is:
Described UE determines the E-AGCH form adopted according to the current state of self, and according to the corresponding relation pre-set, resolves, determine E-PUCH channel allocation information to described appointment idle HS-SCCH information bit territory;
Wherein, described default corresponding relation is: described E-AGCH instructions field removed in the information bit territory of HS-SCCH, take out from remaining information bit N number of bit respectively with N number of bit one_to_one corresponding of often kind of E-AGCH form, for carrying the E-AGCH information of corresponding bit; N is the bit number that comprises of E-AGCH form or effective number of bits.
Preferably, after described UE determines that the idle HS-SCCH of described appointment uses as E-AGCH, the method comprises further: the TPC territory and the SS domain information that receive the idle HS-SCCH of described appointment, is respectively used to uplink power control and the uplink synchronous control of carrying out E-PUCH.
A distribution method for the E-PUCH channel of HSPAUE, for supporting the HSPAUE that DLDPCH uses as E-AGCH, the method comprises:
For described UE configures special TFCI form, this special TFCI form corresponds to DLDPCH and uses as E-AGCH;
When there is idle DLDPCH and the NodeB of community, described UE place supports that DLDPCH uses as E-AGCH, the NodeB of community, described UE place is using the information bit territory of the information bit territory of described idle DLDPCH as E-AGCH, carry the E-PUCH channel allocation information of described UE, and the TFCI territory of this idle DLDPCH is set to described special TFCI form, form DLDPCH and send to described UE.
Preferably, the method comprises further: described NodeB is in advance to RNC reporting ability information, described ability information comprises NodeB and supports that descending idle channel uses as E-AGCH, or described ability information comprises NodeB and supports that DLDPCH uses as E-AGCH;
Described NodeB determines that described UE supports that the mode that DLDPCH uses as E-AGCH is: the ability information that the described UE that NodeB receives RNC forwarding reports, described ability information comprises UE and supports that descending idle channel uses as E-AGCH, or described ability information comprises UE and supports that DLDPCH uses as E-AGCH.
Preferably, describedly for UE configures special TFCI form be:
Be that described UE and NodeB specifies the corresponding described special TFCI form of a value in TFCI territory in advance;
Or,
RNC, when configuring DLDPCH for described UE and described NodeB, determines the corresponding described special TFCI form of a value in TFCI territory, and value corresponding for this special TFCI form is carried in DLDPCH configuration information and sends to described UE and NodeB.
Preferably, the information bit territory of described idle DLDPCH as the assignment information of the information bit territory carrying E-PUCH channel of E-AGCH is by described NodeB:
Pre-set DLDPCH when using as E-AGCH, the information bit number of DLDPCH carrying is N, and described N number of bit respectively with N number of bit one_to_one corresponding of often kind of E-AGCH form, for carrying the E-AGCH information of corresponding bit; N is all bit numbers of comprising of E-AGCH form or effective number of bits;
When carrying E-PUCH channel allocation information, described NodeB determines the E-AGCH form adopted according to the current state of described UE, the information bit number carried by described DLDPCH is set to N, and according to the corresponding relation preset, by the information bit territory of described E-PUCH channel allocation information write DLDPCH.
Preferably, the TPC territory on described idle DLDPCH and SS territory are respectively used to uplink power control commands and the uplink synchronous control command of carrying the uplink physical channel matched with described idle DLDPCH.
A method of reseptance for the E-PUCH channel allocation information of HSPAUE, for supporting the HSPAUE that DLDPCH uses as E-AGCH, if the NodeB of community, described UE place supports that idle DLDPCH uses as E-AGCH, the method comprises:
Described UE decodes after receiving DLDPCH TFCI territory, if decoded result is default special TFCI form, then described UE resolves the information bit territory of described DLDPCH according to E-AGCH, determines the assignment information of the E-PUCH channel that described NodeB configures; Described special TFCI form corresponds to DLDPCH and uses as E-AGCH.
Preferably, the method comprises further: described UE is in advance to RNC reporting ability information, and described ability information comprises UE and supports that descending idle channel uses as E-AGCH, or described ability information comprises UE and supports that DLDPCH uses as E-AGCH;
Described UE determines that described NodeB supports that the mode that DLDPCH uses as E-AGCH is: described UE receives the ability information of the described NodeB that RNC forwards in advance, determines that described NodeB supports that DLDPCH uses as E-AGCH; Described ability information comprises NodeB and supports that descending idle channel uses as E-AGCH, or NodeB supports that DLDPCH uses as E-AGCH;
Described UE receives the notice that RNC sends in advance, if notify, the idle down channel of described UE or DLDPCH do not use as E-AGCH, described UE determines that the NodeB of its community, place does not support that DLDPCH uses as E-AGCH, and described UE is according to existing reception of beacons and process DLDPCH.
Preferably, the information bit territory that described UE resolves described DLDPCH according to E-AGCH is:
Described UE determines the E-AGCH form adopted according to the current state of self, and according to the corresponding relation pre-set, resolves, determine E-PUCH channel allocation information to the information bit territory of described DLDPCH;
Wherein, described default corresponding relation is: when DLDPCH uses as E-AGCH, and the information bit number of DLDPCH carrying is N, and this N number of bit respectively with N number of bit one_to_one corresponding of often kind of E-AGCH form, for carrying the E-AGCH information of corresponding bit; N is the bit number that comprises of E-AGCH form or effective number of bits.
Preferably, described UE determines that described decoded result is after default special TFCI form, the method comprises further: TPC territory and the SS domain information of resolving described DLDPCH, and the uplink power control and the uplink synchronous that are respectively used to carry out the uplink physical channel matched with described DLDPCH control.
As seen from the above technical solution, in the present invention, when there is idle HS-SCCH, idle HS-SCCH is sent to UE as E-AGCH by the NodeB of community, UE place, and notify that this idle HS-SCCH of UE uses as E-AGCH, for carrying the assignment information of the E-PUCH channel of UE; After UE receives notice, resolve the information bit territory of idle HS-SCCH according to E-AGCH, determine the assignment information of the E-PUCH that NodeB distributes.By the way, the HS-SCCH of free time can be used as E-AGCH channel, thus improve down channel resources utilance.
Configure special TFCI form for described UE in advance, this special TFCI form corresponds to DLDPCH and uses as E-AGCH; When there is idle DLDPCH, idle DLDPCH is sent to UE as E-AGCH by the NodeB of community, UE place, and the TFCI territory of this idle DLDPCH is set to special TFCI form.UE receives TFCI territory of decoding after DLDPCH, if decoded result is default special TFCI form, then UE resolves the information bit territory of idle DLDPCH according to E-AGCH, determines the assignment information of the E-PUCH that NodeB distributes.By the way, the DLDPCH of free time can be used as E-AGCH channel, thus improve down channel resources utilance.
Accompanying drawing explanation
Fig. 1 is the idiographic flow schematic diagram of the method for reseptance of E-PUCH channel allocation and assignment information in the embodiment of the present invention one;
Fig. 2 is the idiographic flow schematic diagram of the method for reseptance of E-PUCH channel allocation and assignment information in the embodiment of the present invention two.
Embodiment
For making object of the present invention, technological means and advantage clearly understand, below in conjunction with accompanying drawing, the present invention is described in further details.
Basic thought of the present invention is: for HSPAUE, when down channel is idle, is used by this channel as E-AGCH, for distributing E-PUCH to UE, and the assignment information of transmission E-PUCH, thus improve down channel resources utilance.
Provide in the present invention and utilize idle HS-SCCH and idle DLDPCH as E-AGCH channel, for transmitting the assignment information of the E-PUCH of UE.Respectively by two specific embodiments, specific implementation is described below.
Embodiment one:
In the present embodiment, when HS-SCCH is idle, the information bit territory of HS-SCCH is used for the information bit territory of transmitting E-AGCH channel, distributes E-PUCH to UE.In the distribution of concrete E-PUCH, comprise the handling process of NodeB and UE both sides, in flow process below, the process of both sides is combined and is introduced.
Fig. 1 is the particular flow sheet of the distribution of E-PUCH and the method for reseptance of assignment information in embodiment one in the present invention, and as shown in Figure 1, for HSPAUE, the method flow process comprises:
Step 101, UE and NodeB notifies whether RNC self supports that idle down channel or HS-SCCH use as E-AGCH respectively, for supporting the UE that idle down channel or HS-SCCH use as E-AGCH, RNC judges whether the NodeB of community, UE place supports that HS-SCCH uses as E-AGCH, if, perform step 102, otherwise, perform step 103.
UE and NodeB is respectively to RNC reporting ability information, and whether this ability information comprises self supports that descending idle channel uses as E-AGCH, or whether self supports that HS-SCCH uses as E-AGCH.When UE or NodeB does not support that descending idle channel or HS-SCCH use as E-AGCH, also can not reporting ability information, then RNC determines that corresponding UE or NodeB does not support that descending idle channel or HS-SCCH use as E-AGCH.
Can process respectively for UE and NodeB with different ability, RNC.
For supporting the UE that descending idle channel or HS-SCCH use as E-AGCH, RNC judges whether the NodeB of community, UE place supports that idle down channel or HS-SCCH use as E-AGCH, if NodeB also supports, then can apply E-PUCH of the present invention distribute and method of reseptance utilize idle down channel to carry out the transmission of E-PUCH assignment information; If NodeB does not support, so notify that UE still resolves and processes according to existing mode for HS-SCCH by step 103.
Step 102, the ability information of UE is transmitted to NodeB by RNC, and the idle down channel of notice UE or HS-SCCH allow to use as E-AGCH, and perform step 104.
When NODEB reports support the down channel of free time or HS-SCCH to be used as E-AGCH, for the UE supporting the down channel of free time or HS-SCCH to use as E-AGCH, the ability information that this UE reports is transmitted to NODEB by RNC, and notifies this UE: idle down channel or HS-SCCH allow to use as E-AGCH.In this case, the meaning of the information bit of the upper carrying of HS-SCCH has some changes, and UE needs the meaning after according to change to carry out for the parsing of HS-SCCH.The amendment of specifying information bit meaning will be described later.
By the way, support as NodeB any one UE that can grasp at any time in community that E-AGCH uses, whether the down channel of free time or HS-SCCH are supported that idle down channel or HS-SCCH use as E-AGCH.The UE not reporting this ability information, RNC are not needed to forward described energy information to described NODEB naturally.When supporting the down channel of free time or HS-SCCH not to receive the described ability information of RNC forwarding as the NODEB that E-AGCH uses, NODEB thinks that this UE does not support that HS-SCCH uses as E-AGCH.
Step 103, RNC notifies that the idle down channel of UE or HS-SCCH do not use as E-AGCH, and UE receives according to existing method and resolves HS-SCCH.
When NODEB does not report support the down channel of free time or HS-SCCH to be used as E-AGCH, for the UE supporting the down channel of free time or HS-SCCH to use as E-AGCH, RNC the ability information that reports of this UE will not be transmitted to NODEB, but RNC needs to notify this UE: idle down channel or HS-SCCH do not use as E-AGCH.UE is still according to existing reception of beacons and parsing HS-SCCH.
For supporting HSPAUE and NodeB that HS-SCCH uses as E-AGCH, performing the distribution that following steps carry out E-PUCH, being wherein described for a UE:
Step 104, when there is idle HS-SCCH, the information bit territory of the information bit territory of this idle HS-SCCH as E-AGCH uses by NodeB, and the HS-SCCH of formation is sent to UE, and notifies that this idle HS-SCCH of UE uses as E-AGCH.
Wherein, when the idle HS-SCCH of notice UE uses as E-AGCH, can be realized by modes such as independent signalings.Used in the information bit territory of information bit territory on this idle HS-SCCH as E-AGCH, NodeB is to the assignment information of the E-PUCH of UE in carrying.
In the present embodiment, whether the concrete mode of notice UE is: in the information field of HS-SCCH, arrange an E-AGCH instructions field, utilize the different values of E-AGCH instructions field to represent HS-SCCH and use as E-AGCH.Usual E-AGCH instructions field is set to take 1 bit.
Under above-mentioned advice method, using the information bit territory on HS-SCCH as E-AGCH information bit territory use time, can carry out in the following manner:
Existing E-AGCH has 2 kinds of forms, and UE uses different E-AGCH forms under different conditions.Existing HS-SCCH has 9 kinds of forms, and UE uses different HS-SCCH forms under different conditions.Can support under different states that for making UE HS-SCCH uses as E-AGCH, often kind of HS-SCCH form all should support two kinds of E-AGCH forms.That is: current according to UE state determines the HS-SCCH form that this UE uses, when the HS-SCCH of this form is used as E-AGCH use, the state current according to UE determines the form of E-AGCH, the E-AGCH that this HS-SCCH then will carry this form needs the assignment information of the E-PUCH carried.If the information bit number of the E-AGCH carrying of this form is N, then in the information bit territory of this HS-SCCH, 1 bit shared by E-AGCH instructions field is removed, in remaining information bit, take out N number of bit, the implication pre-setting this N number of bit respectively with the N number of bit one_to_one corresponding in this E-AGCH form.The bit be not used in this HS-SCCH form is as reservation bit, on the shelf.Wherein, the N number of bit in E-AGCH form is all bits of comprising of E-AGCH form or significant bit, the bit number that N correspondingly comprises for E-AGCH form or effective number of bits.
Such as, in the various forms of HS-SCCH, the bit number that information bit territory comprises is 30 or 34, and the bit number that the information bit territory of two kinds of E-AGCH forms comprises is 23, 26 or 30, if the bit number that in HS-SCCH form, information bit territory comprises is 30, and the bit number that in E-AGCH form corresponding to current UE state, information bit territory comprises is 30, so when utilizing the information of information bit territory carrying E-AGCH of HS-SCCH, after 1 of E-AGCH instructions field bit is removed, the remaining bit number in information bit territory of HS-SCCH is 29, and bit number is just have 1 reservation bit in the E-AGCH form of 30, at this moment, remaining 29 bits in information bit territory of HS-SCCH just can only set up relation one to one with significant bit in E-AGCH form (being just 29 significant bits), the assignment information of carrying E-PUCH, and corresponding relation can not be set up with all bits in E-AGCH form.In addition to the foregoing, in all the other situations, all bits or the significant bit that utilize E-AGCH when setting up corresponding relation can be selected.
In often kind of HS-SCCH form, all there is a channel code domain, be used to indicate the initial channel code of HS-PDSCH and stop channel code.Based on this, the position for E-AGCH instructions field can be selected as follows:
1, operable spreading factor on HS-PDSCH in often kind of HS-SCCH form can be reduced by half, the bit number being used to indicate the initial channel code of HS-PDSCH like this and the bit number stopping channel code, all by minimizing one, just save 2 bits.With a bit in 2 bits saved as E-AGCH instructions field.
2, for the HS-SCCH form with reservation bit, using a bit in reservation bit in this HS-SCCH form as E-AGCH instructions field.For other HS-SCCH forms, reduced by half by operable spreading factor on HS-PDSCH in this HS-SCCH form, a bit in 2 bits channel code domain saved uses as E-AGCH instructions field.
In said process, reduced by half by spreading factor operable on HS-PDSCH, NodeB can be caused to be the granularity of UE Resources allocation is become SF=M/2 code channel resource from the code channel resource of existing SF=M, and namely resource allocation granularity becomes large.The value of M is 16 or 8.And in actual applications, during for UE dispatching distribution resource, hardly for UE distributes the code channel of SF=16, even the code channel of SF=8 also seldom distributes, therefore the above-mentioned operation reduced by half by spreading factor, can not cause the loss of aspect of performance to real system.
By the way can using the information bit territory of the information bit territory of HS-SCCH as E-AGCH, the assignment information of the E-PUCH of UE is distributed in carrying.
After the information bit territory of this HS-SCCH being carried out to the process such as coding, send to UE by HS-SCCH channel.Wherein, in the process forming HS-SCCH, TPC territory on HS-SCCH and SS territory carry uplink power control commands and the uplink synchronous control command of E-PUCH respectively, uplink power control and uplink synchronous for controlling corresponding E-PUCH control, and the TPC command on E-PUCH is used for the downlink power control of this HS-SCCH.
For supporting the UE that idle down channel uses as E-AGCH, send to the computational methods of the HS-SCCH transmitting power of this UE and the transmitting power computational methods with existing HS-SCCH.
Step 105, the notice that UE sends according to NodeB, determines that idle HS-SCCH uses as E-AGCH, and resolves the information bit territory of this HS-SCCH according to E-AGCH, determines the assignment information of the E-PUCH that NodeB distributes.
The process that in this step, UE adopts according to the notice that NodeB sends is corresponding with the process of NodeB in step 104.
Particularly, in the present embodiment, first determine that whether current HS-SCCH is as E-AGCH according to the value of E-AGCH instructions field in the HS-SCCH received.If used as E-AGCH, then correspondingly, according to the one-to-one relationship of all bits or significant bit in the information bit territory of the HS-SCCH of the setting mentioned in step 102 and E-AGCH, resolve the implication of other bits except E-AGCH instructions field in the information bit territory of HS-SCCH, determine the assignment information of E-PUCH.Wherein, the corresponding relation preset is: E-AGCH instructions field removed in the information bit territory of HS-SCCH, take out from remaining information bit N number of bit respectively with N number of bit one_to_one corresponding of often kind of E-AGCH form, for carrying the E-AGCH information of corresponding bit; N is the bit number that comprises of E-AGCH form or effective number of bits.
Step 106, resolves TPC territory and the SS domain information of HS-SCCH, and the uplink power control and the uplink synchronous that are respectively used to E-PUCH control.
Concrete synchronous control mode is identical with existing mode, just repeats no more here.
So far, the flow process in the present embodiment terminates.By the way, idle HS-SCCH can be utilized as E-AGCH, the assignment information of transmission E-PUCH, thus avoid the waste of down channel resources, improve down channel resources utilance.
In the process above, the amendment to HS-SCCH information bit territory may be related to, namely add E-AGCH instructions field, if current HS-SCCH does not use as E-AGCH, still be used as HS-SCCH, the implication of other bits so in this HS-SCCH except E-AGCH instructions field remains unchanged.
Embodiment two:
In the present embodiment, when DLDPCH is idle, DLDPCH is used as E-AGCH, for transmitting the assignment information of the E-PUCH channel distributing to UE.In the distribution of concrete E-PUCH, comprise the handling process of NodeB and UE both sides, in flow process below, the process of both sides is combined and is introduced.
Fig. 2 is the distribution of E-PUCH in the embodiment of the present invention two and the particular flow sheet of assignment information method of reseptance.As shown in Figure 2, the method flow process comprises:
Step 201, UE and NodeB notifies whether RNC self supports that idle down channel or DLDPCH use as E-AGCH respectively, for supporting the UE that idle down channel or DLDPCH use as E-AGCH, RNC judges whether the NodeB of community, UE place supports that idle down channel or DLDPCH use as E-AGCH, if, perform step 202, otherwise, perform step 203.
The process of this step is identical with the process of step 201.HSPAUE and NodeB can be made to RNC reporting ability information, whether support that descending idle channel uses as E-AGCH comprising self, or, comprise the information whether supporting that DLDPCH uses as E-AGCH.
Step 202, the ability information that UE reports by RNC is transmitted to NodeB, and the idle down channel of notice UE or DLDPCH allow to use as E-AGCH, and perform step 204.
When NODEB reports support the down channel of free time or DLDPCH to be used as E-AGCH, for the UE supporting the down channel of free time or DLDPCH to use as E-AGCH, the ability information that this UE reports is transmitted to NODEB by RNC, thus NodeB is determined, and whether HSPAUE supports that DLDPCH uses as E-AGCH.Meanwhile, RNC notifies this UE: idle down channel or DLDPCH allow to use as E-AGCH.In this case, the meaning of the information bit of DLDPCH carrying has some changes, and UE needs the meaning after according to change to carry out for the parsing of DLDPCH.The amendment of specifying information bit meaning will be described later.
Step 203, RNC notifies that the idle down channel of UE or DLDPCH do not use as E-AGCH.
When NODEB does not report support the down channel of free time or DLDPCH to be used as E-AGCH, for the UE supporting the down channel of free time or DLDPCH to use as E-AGCH, RNC the ability information that reports of this UE will not be transmitted to NODEB, but RNC needs to notify this UE: idle down channel or DLDPCH do not use as E-AGCH.UE still receives according to existing method and resolves DLDPCH.
For supporting the HSPAUE that DLDPCH uses as E-AGCH, performing the distribution that following steps carry out E-PUCH channel, being wherein described for a UE:
Step 204, when there is idle DLDPCH, the information bit territory of the information bit territory of this idle DLDPCH as E-AGCH uses by NodeB, and the TFCI territory of this idle DLDPCH is set to the special TFCI form preset, forms DLDPCH and sends to UE.
There is multiple different TFCI form in existing DLDPCH, the concrete form adopted is carried to UE by TFCI territory.When separating mediation decoding DLDPCH, first determine according to the decode results in TFCI territory the TFCI form that current DLDPCH adopts, and then carry out decoding according to the information bit territory of this TFCI form to DLDPCH, and high-rise process is issued in the information bit territory of DLDPCH decoding obtained, and does not resolve the particular content in information bit territory.
In the present invention, when being used as E-AGCH by DLDPCH, for UE configures a kind of special TFCI form, this special TFCI form corresponds to DLDPCH and uses as E-AGCH.When certain idle DLDPCH uses as E-AGCH, the TFCI territory of this DLDPCH is set to special TFCI form by NodeB, thus this DLDPCH of notice UE uses as E-AGCH.Particularly, TFCI territory is made up of several bits, translates a value selectively and be about decided to be the special value corresponding to TFCI form in the span in this territory.This be about definite value be UE and NODEB institute known in advance.Such as: the maximum of arranging this span is special TFCI form.When making an appointment, do not need, after UE access, to notify this special TFCI form of UE and NODEB by RNC.Or, for reporting the UE supporting that DLDPCH uses as E-AGCH, RNC, when configuring DLDPCH to UE and NODEB, determines the value corresponding to special TFCI, in the configuration information of DLDPCH, increase this value, inform UE and NODEB by the configuration information of DLDPCH.
The mode that the information bit territory of DLDPCH writes E-PUCH assignment information is: pre-set DLDPCH when using as E-AGCH, the information bit number of DLDPCH carrying is N, and described N number of bit respectively with N number of bit one_to_one corresponding of often kind of E-AGCH form, for carrying the E-AGCH information of corresponding bit; N is all bit numbers of comprising of E-AGCH form or effective number of bits.The NodeB state current according to UE determines the E-AGCH form that UE is used, the information bit number of DLDPCH carrying equals all information bit numbers that this form E-AGCH carries or significant bit number, and each information bit or significant bit one_to_one corresponding on each information bit on DLDPCH and corresponding E-AGCH form.NODEB is according to the value of each information bit on correspondence setting DLDPCH.
Further, when DLDPCH uses as E-AGCH, the TPC command of the upper carrying of DLDPCH and SS order ULPC and ULSC of uplink physical channel still for matching with this DLDPCH.TPC command on the uplink physical channel that corresponding and this DLDPCH matches is still for the DLPC of this DLDPCH.When this DLDPCH uses as E-AGCH, DLPC method remains unchanged.
Step 205, TFCI territory of decoding after UE reception DLDPCH, if decoded result is default special TFCI form, then performs step 206, otherwise, according to existing mode process DLDPCH.
As previously mentioned, NodeB is by being set to special TFCI form by the TFCI territory of DLDPCH, thus this DLDPCH of notice UE uses as E-AGCH.In this step, UE decoding TFCI territory, if this TFCI territory is default special TFCI form, then determine that current DLDPCH is used as E-AGCH and uses, proceed step 206 and extract E-PUCH channel allocation information, if this TFCI territory is traditional TFCI form of DLDPCH, then show that this DLDPCH is not as E-AGCH, still according to existing mode to DLDPCH process, just repeat no more here.
Step 206, UE resolves the information bit territory of DLDPCH according to E-AGCH, determines the assignment information of the E-PUCH channel that NodeB distributes.
UE, according to current oneself state, determines E-AGCH form, and according to the corresponding relation set up in this E-AGCH form and step 204, resolves the information bit territory of DLDPCH, determine E-PUCH channel allocation information.
Step 207, resolves the TPC territory on DLDPCH and SS domain information, and the uplink power control and the uplink synchronous that are respectively used to carry out the uplink physical channel matched with DLDPCH control.
The process of this step is identical with existing mode, just repeats no more here.
So far, the flow process in the present embodiment terminates.Visible by above-mentioned flow process, utilize the method for the present embodiment, idle DLDPCH can be utilized easily to transmit the assignment information of E-PUCH as E-AGCH, avoid down channel resources to waste, improve down channel resources utilance.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (17)
1. a distribution method for the E-PUCH channel of HSPAUE, is characterized in that, for supporting the HSPAUE that HS-SCCH uses as E-AGCH, the method comprises:
When there is idle HS-SCCH and the NodeB of community, described UE place supports that HS-SCCH uses as E-AGCH, the NodeB of community, described UE place is using the information bit territory of the information bit territory of described idle HS-SCCH as E-AGCH, carry the E-PUCH channel allocation information of described UE, the HS-SCCH of formation is sent to described UE, and notifies that this idle HS-SCCH of described UE uses as E-AGCH;
Wherein, the information bit territory of described idle HS-SCCH as the information bit territory carrying E-PUCH channel allocation information of E-AGCH is by described NodeB:
The information bit territory pre-setting often kind of HS-SCCH form carries the form of described E-PUCH channel allocation information when using as the information bit territory of E-AGCH, wherein, in the information bit territory of described HS-SCCH, described E-AGCH instructions field is removed, take out from remaining information bit N number of bit respectively with N number of bit one_to_one corresponding of often kind of E-AGCH form, for carrying the E-AGCH information of corresponding bit; N is all bit numbers of comprising of E-AGCH form or effective number of bits;
When carrying E-PUCH channel allocation information, described NodeB determines the E-AGCH form adopted according to the current state of described UE, and according to the corresponding relation pre-set, by the information bit territory of the E-PUCH channel allocation information of carrying on the described E-AGCH determined write HS-SCCH.
2. method according to claim 1, it is characterized in that, the method comprises further: described NodeB is in advance to RNC reporting ability information, described ability information comprises NodeB and supports that descending idle channel uses as E-AGCH, or described ability information comprises NodeB and supports that HS-SCCH uses as E-AGCH;
Described NodeB determines that described UE supports that the mode that HS-SCCH uses as E-AGCH is: the ability information that the described UE that NodeB receives RNC forwarding reports, described ability information comprises UE and supports that descending idle channel uses as E-AGCH, or described ability information comprises UE and supports that HS-SCCH uses as E-AGCH.
3. method according to claim 1, is characterized in that, described NodeB notifies that the mode that the idle HS-SCCH of described UE uses as E-AGCH is:
Sending to the HS-SCCH of described UE to comprise E-AGCH instructions field, a kind of value of described E-AGCH instructions field is used to indicate this HS-SCCH and uses as E-AGCH, and another kind of value is used to indicate this HS-SCCH and uses as HS-SCCH.
4. method according to claim 3, it is characterized in that, in advance available spreading factor on HS-PDSCH in often kind of HS-SCCH form is reduced by half, using the bit number being used to indicate the initial channel code of HS-PDSCH in often kind of HS-SCCH form or stop channel code a bit of bit number as described E-AGCH instructions field.
5. method according to claim 3, is characterized in that, for the HS-SCCH form with reservation bit, using one of them reservation bit as described E-AGCH instructions field;
For the HS-SCCH form not having reservation bit, spreading factor available on HS-PDSCH in this form is reduced by half, and using the bit number being used to indicate the initial channel code of HS-PDSCH in this HS-SCCH form or stop channel code a bit of bit number as described E-AGCH instructions field.
6., according to described method arbitrary in claim 1 to 5, it is characterized in that, the TPC territory on described idle HS-SCCH and SS territory are respectively used to uplink power control commands and the uplink synchronous control command of carrying E-PUCH.
7. a method of reseptance for the E-PUCH channel allocation information of HSPAUE, is characterized in that, for supporting the HSPAUE that HS-SCCH uses as E-AGCH, the method comprises:
Described UE is according to supporting the notice that idle HS-SCCH sends as the NodeB that E-AGCH uses, and determine to specify idle HS-SCCH to use as E-AGCH, described notice is used for informing specifies idle HS-SCCH to use as E-AGCH described in UE;
Described UE resolves the information bit territory of the idle HS-SCCH of described appointment according to E-AGCH, determines the assignment information of the E-PUCH channel that described NodeB configures;
Wherein, the information bit territory that described UE resolves the idle HS-SCCH of described appointment according to E-AGCH is:
Described UE determines the E-AGCH form adopted according to the current state of self, and according to the corresponding relation pre-set, resolves, determine E-PUCH channel allocation information to described appointment idle HS-SCCH information bit territory;
Wherein, described default corresponding relation is: described E-AGCH instructions field removed in the information bit territory of HS-SCCH, take out from remaining information bit N number of bit respectively with N number of bit one_to_one corresponding of often kind of E-AGCH form, for carrying the E-AGCH information of corresponding bit; N is the bit number that comprises of E-AGCH form or effective number of bits.
8. method according to claim 7, it is characterized in that, the method comprises further: described UE is in advance to RNC reporting ability information, described ability information comprises UE and supports that descending idle channel uses as E-AGCH, or described ability information comprises UE and supports that HS-SCCH uses as E-AGCH;
Described UE determines that described NodeB supports that the mode that HS-SCCH uses as E-AGCH is: described UE receives the ability information of the described NodeB that RNC forwards in advance, determines that described NodeB supports that HS-SCCH uses as E-AGCH; Described ability information comprises NodeB and supports that descending idle channel uses as E-AGCH, or NodeB supports that HS-SCCH uses as E-AGCH;
Described UE receives the notice that RNC sends in advance, if notify, the idle down channel of described UE or HS-SCCH do not use as E-AGCH, described UE determines that the NodeB of its community, place does not support that HS-SCCH uses as E-AGCH, and described UE is according to existing reception of beacons and process HS-SCCH.
9. method according to claim 7, is characterized in that, described UE determines to specify idle HS-SCCH to use as E-AGCH according to the notice that described NodeB sends to be:
UE receives arbitrary HS-SCCH, if the E-AGCH instructions field preset in this HS-SCCH indicates this HS-SCCH to use as E-AGCH, then described UE determines that the HS-SCCH of current reception uses as E-AGCH.
10. according to described method arbitrary in claim 7 to 9, it is characterized in that, after described UE determines that the idle HS-SCCH of described appointment uses as E-AGCH, the method comprises further: the TPC territory and the SS domain information that receive the idle HS-SCCH of described appointment, is respectively used to uplink power control and the uplink synchronous control of carrying out E-PUCH.
The distribution method of the E-PUCH channel of 11. 1 kinds of HSPAUE, is characterized in that, for supporting the HSPAUE that DLDPCH uses as E-AGCH, the method comprises:
For described UE configures special TFCI form, this special TFCI form corresponds to DLDPCH and uses as E-AGCH;
When there is idle DLDPCH and the NodeB of community, described UE place supports that DLDPCH uses as E-AGCH, the NodeB of community, described UE place is using the information bit territory of the information bit territory of described idle DLDPCH as E-AGCH, carry the E-PUCH channel allocation information of described UE, and the TFCI territory of this idle DLDPCH is set to described special TFCI form, form DLDPCH and send to described UE;
Wherein, the information bit territory of described idle DLDPCH as the assignment information of the information bit territory carrying E-PUCH channel of E-AGCH is by described NodeB:
Pre-set DLDPCH when using as E-AGCH, the information bit number of DLDPCH carrying is N, and N number of bit of described DLDPCH respectively with N number of bit one_to_one corresponding of often kind of E-AGCH form, for carrying the E-AGCH information of corresponding bit; N is all bit numbers of comprising of E-AGCH form or effective number of bits;
When carrying E-PUCH channel allocation information, described NodeB determines the E-AGCH form adopted according to the current state of described UE, the information bit number carried by described DLDPCH is set to N, and according to the corresponding relation preset, by the information bit territory of described E-PUCH channel allocation information write DLDPCH.
12. methods according to claim 11, it is characterized in that, the method comprises further: described NodeB is in advance to RNC reporting ability information, described ability information comprises NodeB and supports that descending idle channel uses as E-AGCH, or described ability information comprises NodeB and supports that DLDPCH uses as E-AGCH;
Described NodeB determines that described UE supports that the mode that DLDPCH uses as E-AGCH is: the ability information that the described UE that NodeB receives RNC forwarding reports, described ability information comprises UE and supports that descending idle channel uses as E-AGCH, or described ability information comprises UE and supports that DLDPCH uses as E-AGCH.
13. methods according to claim 11, is characterized in that, describedly configure special TFCI form and are for described UE:
Be that described UE and NodeB specifies the corresponding described special TFCI form of a value in TFCI territory in advance;
Or,
RNC, when configuring DLDPCH for described UE and described NodeB, determines the corresponding described special TFCI form of a value in TFCI territory, and value corresponding for this special TFCI form is carried in DLDPCH configuration information and sends to described UE and NodeB.
14. according to described method arbitrary in claim 11 to 13, it is characterized in that, the TPC territory on described idle DLDPCH and SS territory are respectively used to uplink power control commands and the uplink synchronous control command of carrying the uplink physical channel matched with described idle DLDPCH.
The method of reseptance of the E-PUCH channel allocation information of 15. 1 kinds of HSPAUE, is characterized in that, for supporting the HSPAUE that DLDPCH uses as E-AGCH, if the NodeB of community, described UE place supports that idle DLDPCH uses as E-AGCH, the method comprises:
Described UE decodes after receiving DLDPCH TFCI territory, if decoded result is default special TFCI form, then described UE resolves the information bit territory of described DLDPCH according to E-AGCH, determines the assignment information of the E-PUCH channel that described NodeB configures; Described special TFCI form corresponds to DLDPCH and uses as E-AGCH;
Wherein, the information bit territory that described UE resolves described DLDPCH according to E-AGCH is:
Described UE determines the E-AGCH form adopted according to the current state of self, and according to the corresponding relation pre-set, resolves, determine E-PUCH channel allocation information to the information bit territory of described DLDPCH; Wherein, described default corresponding relation is: when DLDPCH uses as E-AGCH, the information bit number of DLDPCH carrying is N, and N number of bit of described DLDPCH respectively with N number of bit one_to_one corresponding of often kind of E-AGCH form, for carrying the E-AGCH information of corresponding bit; N is the bit number that comprises of E-AGCH form or effective number of bits.
16. methods according to claim 15, it is characterized in that, the method comprises further: described UE is in advance to RNC reporting ability information, described ability information comprises UE and supports that descending idle channel uses as E-AGCH, or described ability information comprises UE and supports that DLDPCH uses as E-AGCH;
Described UE determines that described NodeB supports that the mode that DLDPCH uses as E-AGCH is: described UE receives the ability information of the described NodeB that RNC forwards in advance, determines that described NodeB supports that DLDPCH uses as E-AGCH; Described ability information comprises NodeB and supports that descending idle channel uses as E-AGCH, or NodeB supports that DLDPCH uses as E-AGCH;
Described UE receives the notice that RNC sends in advance, if notify, the idle down channel of described UE or DLDPCH do not use as E-AGCH, described UE determines that the NodeB of its community, place does not support that DLDPCH uses as E-AGCH, and described UE is according to existing reception of beacons and process DLDPCH.
17. methods according to claim 16, it is characterized in that, described UE determines that described decoded result is after default special TFCI form, the method comprises further: TPC territory and the SS domain information of resolving described DLDPCH, and the uplink power control and the uplink synchronous that are respectively used to carry out the uplink physical channel matched with described DLDPCH control.
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| CN102256355A (en) * | 2010-05-19 | 2011-11-23 | 鼎桥通信技术有限公司 | High speed-physical downlink shared channel (HS-PDSCH) transmission method and device in high speed downlink packet access (HSDPA) |
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| CN101400132A (en) * | 2007-09-28 | 2009-04-01 | 大唐移动通信设备有限公司 | Method and apparatus for sharing control channel resource distribution |
| CN102256355A (en) * | 2010-05-19 | 2011-11-23 | 鼎桥通信技术有限公司 | High speed-physical downlink shared channel (HS-PDSCH) transmission method and device in high speed downlink packet access (HSDPA) |
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