CN101448332A - Uplink control signal path resource mapping method in large bandwidth system and device thereof - Google Patents
Uplink control signal path resource mapping method in large bandwidth system and device thereof Download PDFInfo
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Abstract
The invention provides a physical uplink control signal path resource mapping method in large bandwidth system, comprising the steps as follows: an uplink component carrier frequency is divided into a plurality of regions; the physical uplink control signal path carrying the same type of signaling of a plurality of downlink component carrier frequencies corresponding to the uplink component carrier frequency is mapped to the different resources in the same region of the uplink component carrier frequency. The invention also provides a physical uplink control signal path resource mapping device. The invention resolves the problem of the physical uplink control signal path resource mapping.
Description
Technical field
The present invention relates to field of mobile wireless communication, particularly relate to uplink control channel resource mapping method and device in the great bandwidth radio communication system.
Background technology
Fig. 1 shows the frame structure of LTE (Long Term Evolution, Long Term Evolution) system FDD (FrequencyDivision Duplex, Frequency Division Duplexing (FDD)) pattern and TDD (Time Division Duplex, time division duplex) pattern.In the frame structure of fdd mode, the radio frame (radio frames) of a 10ms is 0.5ms by 20 length, and the slot (time slot) of numbering 0～19 forms, and it is subframe (subframe) i of 1ms that time slot 2i and 2i+1 form length.In the frame structure of tdd mode, the radio frame (radio frames) of a 10ms is long for the half frame (field) of 5ms forms by two, and field comprises 5 and longly is the subframe of 1ms (subframe).Subframe i is defined as 2 and longly is time slot 2i and the 2i+1 of 0.5ms.In two kinds of frame structures, for Normal CP (Normal Cyclic Prefix, standard cyclic prefix), the symbol that it is 66.7us that time slot comprises 7 length, wherein the CP length of first symbol is 5.21us, the CP length of all the other 6 symbols is 4.69us; For Extended (Extended, expansion) CP, a time slot comprises 6 symbols, and the CP length of all symbols is 16.67us.
LTE has defined PDCCH (Physical downlink control channel, Physical Downlink Control Channel) carrying scheduling and has distributed and other control information; PCFICH (Physical control format indicatorchannel, Physical Control Format Indicator Channel) is carried on the information of number of the OFDM symbol that is used to transmit PDCCH in the subframe, send on first OFDM symbol of subframe, the place frequency location is by system descending bandwidth and sub-district ID decision.Each PDCCH is made up of several CCE (Control ChannelElement, control channel unit), and the CCE number of each subframe is by quantity and the downlink bandwidth decision of PDCCH.The CCE of each subframe according to first frequency domain after the serial number of time domain carry out index.
LTE Release-8 has defined 6 kinds of bandwidth: 1.4MHz, 3MHz, 5MHz, 10MHz, 15MHz and 20MHz.
LTE-Advanced (Further Advancements for E-UTRA) is the evolution version of LTE Release-8.Except that satisfying or surpassing 3GPP TR 25.913: all related needs of " Requirements for Evolved UTRA (E-UTRA) and Evolved UTRAN (E-UTRAN) ", also will meet or exceed the demand of the IMT-Advanced of ITU-R proposition.Wherein, the demand with LTE Release-8 backward compatibility is meant: the terminal of LTE Release-8 can be worked in the network of LTE-Advanced; The terminal of LTE-Advanced can be worked in the network of LTE Release-8.
In addition, LTE-Advanced should be able to comprise frequency spectrum configuration (as the continuous frequency spectrum resource of 100MHz) the down work wideer than LTE Release-8, to reach higher performance and target peak speed in the frequency spectrum configuration of different sizes.Because the LTE-Advanced network needs to insert LTE user, so its operational frequency bands need cover present LTE frequency band, has not had the spectral bandwidth of assignable continuous 100MHz on this frequency range.So the direct technology that LTE-Advanced need solve is that several continuous component carrier frequency (frequency spectrum) (Component carrier) polymerizations that are distributed on the different frequency range are got up to form the operable 100MHz bandwidth of LTE-Advanced.Promptly for the frequency spectrum after assembling, be divided into n component carrier frequency (frequency spectrum), the frequency spectrum in each component carrier frequency (frequency spectrum) is continuous.
The scheme of frequency spectrum configuration mainly contains 3 kinds, as shown in Figure 2.Wherein, grid partly is and the system bandwidth of LTERelease-8 compatibility that oblique line partly is the proprietary system bandwidth of LTE-Advanced.Fig. 2 a is a frequency spectrum allocation plan 1, be meant that the LTE-Advanced frequency spectrum disposes the system bandwidth that is defined by 1 LTE-Advanced and forms, and this bandwidth is greater than the system bandwidth of LTE Release-8 definition.Fig. 2 b is a frequency spectrum allocation plan 2, is meant that LTE-Advanced frequency spectrum configuration is made up of by spectrum aggregation (carrieraggregation) the system bandwidth of a LTE Release-8 definition and the system bandwidth of a plurality of LTE-Advanced definition.Fig. 2 c is a frequency spectrum allocation plan 3, be meant that the LTE-Advanced frequency spectrum disposes the system bandwidth that is defined by a plurality of LTE Release-8 and forms by spectrum aggregation (carrier aggregation), wherein, the gathering of above-mentioned frequency spectrum can be the gathering of continuous frequency spectrum, also can be the gathering of discontinuous spectrum.LTE Release-8 terminal can insert the frequency band of compatible LTE Release-8, and the LTE-A terminal promptly can insert the frequency band of LTE Release-8 compatibility, also can insert the frequency band of LTE-Advanced.
Consider the compatibility with LTE Release-8, each component carrier frequency of LTE-Advanced all needs to satisfy and can insert LTE user, and this need guarantee to keep consistent with LTE at the channel architecture of each component carrier frequency as far as possible.
At present, LTE-Advanced is probably under the FDD dual-mode, the available component carrier frequency number of uplink and downlink is different, like this, each downlink component carrier frequency just can not corresponding one by one ascending control channel PUCCH (Physical uplink control channel, Physical Uplink Control Channel), and this just relates to how to carry out PUCCH resource area partition problem when a plurality of downlink component carrier frequency are mapped to the one-component carrier frequency, at present, the concrete scheme that does not also address this problem.
The PUCCH channel of LTE is supported multiple transformat, and 6 kinds of forms are specifically arranged:
Format 1: only send SR (Scheduling Request, dispatch request)
Format 1a: the ACK/NACK that only sends 1 bit
Format 1b: the ACK/NACK (ACK/NACK of 2 bits is corresponding to two streams of MIMO) that only sends 2 bits
Format 2: only send CQI (channel quality Indicator, channel quality indication)/PMI (Precoding Matrix Indicator, pre-coding matrix indication)/RI (Rank Indication, order indication)
The ACK/NACK of Format 2a:CQI/PMI/RI+1 bit, wherein the ACK of 1 bit sends on second frequency pilot sign of each time slot after the BPSK modulation.This form only is applicable to the subframe of regular circulation prefix.
The ACK/NACK of Format 2b:CQI/PMI/RI+2 bit, wherein the ACK of 2 bits sends on second frequency pilot sign of each time slot after the QPSK modulation.This form only is applicable to the subframe of regular circulation prefix.
Simple for describing, PUCCH Fomart 1/Format 1a/Format 1b note is PUCCH1, PUCCH Fomart 2/Format 2a/Format 2b note is PUCCH2.
The method that the designed PUCCH resource area of present LTE is divided as shown in Figure 3.The Physical Resource Block that PUCCH2 occupies is prior to the Physical Resource Block of PUCCH1; PUCCH1 is divided into the resource of static configuration and the resource of dynamic-configuration simultaneously.The PUCCH2 and the PUCCH1 Mixed Zone that also may have maximum 1 Physical Resource Block in the resource area of PUCCH2 at last.The resource number of PUCCH2 begins to end to mixing the Physical Resource Block PUCCH2 resource from sideband, and the resource number of PUCCH1 PUCCH1 resource from mix Physical Resource Block begins to number in turn to the center from last lower sideband.The designed PUCCH resource area of LTE is divided only corresponding downlink component carrier frequency.
Because LTE-Advanced has introduced a plurality of component carrier frequency, it supports asymmetric situation up and down simultaneously, has the situation of the corresponding a plurality of downlink component carrier frequency of a upstream components carrier frequency.In this case, how the feedback channel of the Traffic Channel correspondence of each PDSCH transmission of descending a plurality of component carrier frequency just needs clearly definition in the up area dividing of carrying out, and design need can compatible LTE Release-8 big bandwidth carrier aggregation the time PUCCH resource area method of dividing.
The present invention proposes the PUCCH resource area division methods of a kind of suitable LTE-Advanced, can guarantee the compatibility of LTE-Advanced system and LTE Release-8 system, make LTE Release-8 terminal can insert the LTE-Advanced network, and keep flexibility the LTE-Advanced Terminal Design.
Summary of the invention
The technical problem to be solved in the present invention provides physical uplink control channel resource mapping method and the device of a kind of LTE-Advanced of support and compatible LTERelease-8.
In order to address the above problem, the invention provides physical uplink control channel resource mapping method in a kind of large bandwidth system, the upstream components carrier frequency is divided into several zones, and the Physical Uplink Control Channel of the carrying same type signaling of the several downlink component carrier frequency corresponding with this upstream components carrier frequency is mapped on the different resource in the same area of this upstream components carrier frequency.
Further, said method also can have following characteristics, described upstream components carrier frequency is divided into first area and second area, wherein, the first area is positioned at the both sides of this upstream components carrier frequency, and described second area is adjacent with described first area, shine upon to inside by both sides, carrying CQI or PMI or PI, or the Physical Uplink Control Channel of carrying CQI/PMI/PI and ACK/NACK is mapped to described first area, and the Physical Uplink Control Channel that only carries SR or ACK or NACK is mapped to described second area.
Further, said method also can have following characteristics, between described first area and the second area boundary belt is arranged.
Further, said method also can have following characteristics, described second area is further divided into semi-static zone and dynamic area, wherein semi-static zone is adjacent with the first area, the dynamic area is to remove semi-static extra-regional zone in the second area, the Physical Uplink Control Channel of carrying semi-static scheduling resources and carrying SR is mapped in the described semi-static zone, and the Physical Uplink Control Channel of carrying dynamic dispatching resource is mapped in the described dynamic area.
Further, said method also can have following characteristics, and in described first area, the Physical Uplink Control Channel of each downlink component carrier frequency shines upon in proper order, interweaves to shine upon or mix and is mapped to described first area.
Further, said method also can have following characteristics, in the semi-static zone of described second area, and shine upon in proper order, the interweave mapping or mix the semi-static zone be mapped to described second area of the Physical Uplink Control Channel of each downlink component carrier frequency.
Further, said method also can have following characteristics, and in the dynamic area of described second area, the Physical Uplink Control Channel of each downlink component carrier frequency shines upon in proper order or interweaves and is mapped to the dynamic area of described second area.
Further, said method also can have following characteristics, and order mapping is meant, shone upon the physical uplink control channel resource of a downlink component carrier frequency after, shine upon the physical uplink control channel resource of next downlink component carrier frequency again;
The mapping that interweaves is meant, earlier behind first's physical uplink control channel resource of a downlink component carrier frequency of mapping, shine upon first's physical uplink control channel resource of next downlink component carrier frequency, behind the first's physical uplink control channel resource that has shone upon all downlink component carrier frequency, shine upon the second portion physical uplink control channel resource of each downlink component carrier frequency again by this mode, up to all physical uplink control channel resources that shone upon each downlink component carrier frequency;
Mix mapping and be meant that the physical uplink control channel resource of each downlink component carrier frequency arbitrarily is mapped in its corresponding region.
Further, said method also can have following characteristics, the physical uplink control channel resource index in semi-static zone that is mapped in described first area and/or second area is perhaps indicated by high-level signaling by downlink component carrier frequency index and high-level signaling joint instructions.
Further, said method also can have following characteristics, be mapped in the physical uplink control channel resource index of described dynamic area, by the control channel unit CCE index and the indication of dynamic dispatching resource place component carrier frequency index at high-level signaling and dynamic dispatching resource corresponding physical down control channel PDCCH place.
The present invention also provides physical uplink control channel resource mapping device in a kind of large bandwidth system, described device is divided into several zones with the upstream components carrier frequency, and the Physical Uplink Control Channel of the carrying same type signaling of several downlink component carrier frequency that will be corresponding with this upstream components carrier frequency is mapped on the different resource in the same area of this upstream components carrier frequency.
Further, said apparatus also can have following characteristics, described device inclusion region division unit, and map unit,
Described area dividing unit is used for described upstream components carrier frequency is divided into first area and second area, and wherein, the first area is positioned at the both sides of this upstream components carrier frequency, and described second area is adjacent with described first area, is shone upon to inside by both sides;
Described map unit is used for carrying CQI or PMI or PI, or the Physical Uplink Control Channel of carrying CQI/PMI/PI and ACK/NACK is mapped to described first area, and the Physical Uplink Control Channel that only carries SR or ACK or NACK is mapped to described second area.
Further, said apparatus also can have following characteristics, during described area dividing dividing elements, leaves boundary belt between described first area and second area.
Further, said apparatus also can have following characteristics, and described area dividing unit also is used for described second area is further divided into semi-static zone and dynamic area, wherein semi-static zone is adjacent with the first area, and the dynamic area is to remove semi-static extra-regional zone in the second area;
Described map unit also is used for the Physical Uplink Control Channel of carrying semi-static scheduling resources and carrying SR is mapped to described semi-static zone, and the Physical Uplink Control Channel of carrying dynamic dispatching resource is mapped in the described dynamic area.
Further, said apparatus also can have following characteristics, and described map unit is shone upon the Physical Uplink Control Channel of each downlink component carrier frequency in proper order, interweaved to shine upon or mix and is mapped in the described first area.
Further, said apparatus also can have following characteristics, and described map unit is shone upon the Physical Uplink Control Channel of each downlink component carrier frequency in proper order, interweaved to shine upon or mix and is mapped in the semi-static zone of described second area.
Further, said apparatus also can have following characteristics, and described map unit is shone upon the Physical Uplink Control Channel of each downlink component carrier frequency in proper order or interweaved and is mapped in the dynamic area of described second area.
Further, said apparatus also can have following characteristics, and order mapping is meant, shone upon the physical uplink control channel resource of a downlink component carrier frequency after, shine upon the physical uplink control channel resource of next downlink component carrier frequency again;
The mapping that interweaves is meant, earlier behind first's physical uplink control channel resource of a downlink component carrier frequency of mapping, shine upon first's physical uplink control channel resource of next downlink component carrier frequency, behind the first's physical uplink control channel resource that has shone upon all downlink component carrier frequency, shine upon the second portion physical uplink control channel resource of each downlink component carrier frequency again by this mode, up to all physical uplink control channel resources that shone upon each downlink component carrier frequency;
Mix mapping and be meant that the physical uplink control channel resource of each downlink component carrier frequency arbitrarily is mapped in its corresponding region.
Further, said apparatus also can have following characteristics, described device also is used for by downlink component carrier frequency index and high-level signaling joint instructions, perhaps by the physical uplink control channel resource index of high-level signaling indication map in the semi-static zone of described first area and/or second area.
Further, said apparatus also can have following characteristics, and described device also is used for by the CCE index at the PDCCH place of high-level signaling and dynamic dispatching resource correspondence and the dynamic dispatching resource place component carrier frequency index indication map physical uplink control channel resource index in described dynamic area.
The present invention proposes the PUCCH method for mapping resource of a kind of suitable LTE-Advanced, can guarantee the compatibility of LTE-Advanced system and LTE Release-8 system, make LTE Release-8 terminal can insert the LTE-Advanced network, and keep flexibility the LTE-Advanced Terminal Design.
Description of drawings
Fig. 1 is the frame structure schematic diagram of LTE-Release 8 FDD/TDD of system patterns;
Fig. 2 is LTE-Advanced system 3 kinds of frequency spectrum allocation plans schematic diagram;
Fig. 3 is LTE-Release 8 system uplink control channel method for mapping resource schematic diagrames;
Fig. 4 is one embodiment of the invention LTE-Advanced system uplink control channel method for mapping resource schematic diagram;
Fig. 5 is further embodiment of this invention LTE-Advanced system uplink control channel method for mapping resource schematic diagram;
Fig. 6 is further embodiment of this invention LTE-Advanced system uplink control channel method for mapping resource schematic diagram;
Fig. 7 is further embodiment of this invention LTE-Advanced system uplink control channel method for mapping resource schematic diagram;
Fig. 8 is further embodiment of this invention LTE-Advanced system uplink control channel method for mapping resource schematic diagram;
Fig. 9 is further embodiment of this invention LTE-Advanced system uplink control channel method for mapping resource schematic diagram.
Embodiment
Describe embodiments of the present invention in detail below with reference to embodiment, how the application technology means solve technical problem to the present invention whereby, and the implementation procedure of reaching technique effect can fully understand and implements according to this.
The present invention proposes a kind of in large bandwidth system the uplink control channel resource mapping method, its central idea is: with the PUCCH channel Mapping of the carrying same type signaling of different component carrier frequency to the different resource of same area, promptly according to the type of carrier signaling, dissimilar PUCCH channel Mapping in the zones of different of upstream components carrier frequency, is carried the PUCCH channel of the same type of each downlink component carrier frequency in each zone.
Wherein, carrying CQI, PMI or RI; the PUCCH channel (being designated as PUCCH 2) that perhaps carries CQI/PMI/RI and ACK or NACK is mapped to the both sides of upstream components carrier frequency; be designated as zone 1; the PUCCH channel (being designated as PUCCH 1) of carrying SR, ACK/NACK is being close to zone 1 to begin to shine upon to inside since two sidebands; be designated as zone 2, leave resource as boundary belt between zone 1 and the zone 2.
The Physical Uplink Control Channel of each component carrier frequency can shine upon in proper order in the zone 1, and mapping or mixing mapping interweave.
The Physical Uplink Control Channel of each component carrier frequency of semi-static zone in the zone 2 can shine upon in proper order, and mapping or mixing mapping interweave.
The mapping of can shining upon in proper order or interweave of the Physical Uplink Control Channel of dynamic area each component carrier frequency of zone in 2.Promptly the zone 2 in the dynamic resource configuring areas, according to the component carrier frequency index, with the PUCCH index Continuous Mappings of all respective components carrier frequency carrying dynamic dispatching resource ACK/NACK, perhaps, according to the component carrier frequency index, divide the block interleaving mapping with the PUCCH index of this type of all respective components carrier frequency.
Wherein, the order mapping is meant, after the Physical Uplink Control Channel of a downlink component carrier frequency has been shone upon in elder generation, shines upon the Physical Uplink Control Channel of next downlink component carrier frequency again.
The mapping that interweaves is meant, earlier behind first's physical uplink control channel resource of a downlink component carrier frequency of mapping, shine upon first's physical uplink control channel resource of next downlink component carrier frequency then, behind the first's physical uplink control channel resource that has shone upon all downlink component carrier frequency, shine upon the second portion physical uplink control channel resource of each downlink component carrier frequency again by this mode, up to all physical uplink control channel resources that shone upon each downlink component carrier frequency.
Mixing mapping is meant: mix mapping and be meant that each downlink component carrier frequency mapping in this zone do not have fixedly rule, can be mapped on any one feedback resources of its corresponding region, promptly the physical uplink control channel resource of each downlink component carrier frequency arbitrarily is mapped in its corresponding region.
Each Physical Uplink Control Channel is index in the following way:
The physical uplink control channel resource index that is mapped in zone 1 or 2 semi-static zone, zone is perhaps indicated by high-level signaling by downlink component carrier frequency index and high-level signaling joint instructions.Promptly carry CQI/PMI/RI, or the PUCCH channel indexes of carrying CQI/PMI/RI and ACK/NACK, the ACK/NACK channel indexes of carrying SR and semi-persistent scheduling data is perhaps indicated by high-level signaling by downlink component carrier frequency index and high-level signaling joint instructions.
Be mapped in the physical uplink control channel resource index of the dynamic area in zone 2, by the CCE index and the indication of dynamic dispatching resource place component carrier frequency index at high-level signaling and the corresponding PDCCH of dynamic dispatching resource place.Promptly carry the ACK/NACK channel indexes of dynamic dispatching resource, by high-level signaling, and the CCE index and the dynamic dispatching resource place carrier frequency index at the corresponding PDCCH of dynamic dispatching resource place obtain.
This method is according to signaling type piecemeal (the being the subregion) mapping of PUCCH carrying, in each piece according to the PUCCH resource Continuous Mappings of component carrier frequency with all component carrier frequency.
Specifically,
Suppose, corresponding 2 the downlink component carrier frequency (being respectively component carrier frequency 1 and component carrier frequency 2) of certain upstream components carrier frequency, in the resource area of PUCCH according to the PUCCH type with the resource piecemeal.
As shown in Figure 4, in the piece of each PUCCH type, the PUCCH resource sequence mapping of all component carrier frequency this type is arranged according to component carrier frequency.Order is shone upon the PUCCH resource of component carrier frequency 1 earlier, and then order is shone upon the PUCCH resource of component carrier frequency 2.
As shown in Figure 8, in the dynamic resource configuring area, the PUCCH resource sequence mapping of all component carrier frequency this type is arranged according to component carrier frequency.Order is shone upon the PUCCH resource of component carrier frequency 1 earlier, then shines upon the PUCCH resource of component carrier frequency 2, in other configuring areas, by the base station configuration mapping position.
This method is shone upon according to PUCCH type piecemeal.Divide the block interleaving mapping according to component carrier frequency with the PUCCH resource of all component carrier frequency in each piece, perhaps the PUCCH resource of each component carrier frequency can be passed through the high-level signaling dynamic assignment in the piece.
Suppose, corresponding 2 the downlink component carrier frequency (being respectively component carrier frequency 1 and component carrier frequency 2) of certain upstream components carrier frequency this moment, in the resource area of PUCCH according to the PUCCH type with the resource piecemeal.
As shown in Figure 5, in the piece of each PUCCH type, each component carrier frequency divides block interleaving mapping arrangement (to shine upon the PUCCH of the first resource of component carrier frequency 1 earlier according to the size order that interweaves the PUCCH index of all component carrier frequency, then according to the PUCCH of the first resource of the size order that interweaves mapping component carrier frequency 2, the second portion, third part that alternately shine upon component carrier frequency 1 and 2 afterwards again are up to having shone upon all PUCCH resources).In each PUCCH type blocks, all resource indexs are according to from small to large sequence arrangement.
As shown in Figure 9, in the dynamic resource configuring area, each component carrier frequency divides block interleaving mapping arrangement (to shine upon the PUCCH of the first resource of component carrier frequency 1 earlier according to the size order that interweaves the PUCCH index of all component carrier frequency, then according to the PUCCH of the first resource of the size order that interweaves mapping component carrier frequency 2, the second portion, third part that alternately shine upon component carrier frequency 1 and 2 afterwards again are up to having shone upon all PUCCH resources).In other configuring areas, by the base station configuration mapping position.
This method is according to PUCCH type piecemeal mapping, in each piece according to the PUCCH resource Continuous Mappings of component carrier frequency with all component carrier frequency.
Specifically,
With Fig. 6 is example, corresponding 3 the downlink component carrier frequency (being respectively component carrier frequency 1, component carrier frequency 2 and component carrier frequency 3) of certain upstream components carrier frequency this moment, in the resource area of PUCCH according to the PUCCH type with the resource piecemeal.In the piece of each PUCCH type, according to component carrier frequency the PUCCH resource sequence mapping arrangement of all component carrier frequency this type (is shone upon the PUCCH resource of component carrier frequency 1 earlier in proper order, then shine upon the PUCCH resource of component carrier frequency 2, shine upon the PUCCH resource of component carrier frequency 3 at last).In each PUCCH type blocks, all resource indexs are according to from small to large sequence arrangement.
Embodiment 4
This method is shone upon according to PUCCH type piecemeal.Divide the block interleaving mapping according to component carrier frequency with the PUCCH resource of all component carrier frequency in each piece, perhaps the PUCCH resource of each component carrier frequency can be passed through the high-level signaling dynamic assignment in the piece.
With Fig. 7 is example, corresponding 3 the downlink component carrier frequency (being respectively component carrier frequency 1, component carrier frequency 2 and component carrier frequency 3) of certain upstream components carrier frequency this moment, in the resource area of PUCCH according to the PUCCH type with the resource piecemeal.In the piece of each PUCCH type, each component carrier frequency divides block interleaving mapping arrangement (to shine upon the PUCCH of the first resource of component carrier frequency 1 earlier according to the size order that interweaves the PUCCH index of all component carrier frequency, then according to the PUCCH of the first resource of the size order mapping component carrier frequency 2 that interweaves and the PUCCH of the first resource of component carrier frequency 3, alternately shine upon all the other PUCCH resources of component carrier frequency 1,2 and 3 afterwards again).In each PUCCH type blocks, all resource indexs are according to from small to large sequence arrangement.
Embodiment 5
This method is according to PUCCH type piecemeal mapping, in each piece according to the PUCCH resource Continuous Mappings of component carrier frequency with all component carrier frequency.
Specifically,
With Fig. 8 is example, corresponding 2 the downlink component carrier frequency (being respectively component carrier frequency 1 and component carrier frequency 2) of certain upstream components carrier frequency this moment, in the resource area of PUCCH according to the PUCCH type with the resource piecemeal.
In the PUCCH2 zone, mix the PUCCH resource that is mapped with component carrier frequency 1 and component carrier frequency 2.Terminal is mapped in this regional CQI/PMI/RI channel indexes by descending this component carrier frequency index and the configuration of high-level signaling joint instructions, is perhaps directly notified by high-level signaling.
In the semi-static range of distribution of PUCCH1, mix the PUCCH resource that is mapped with component carrier frequency 1 and component carrier frequency 2.Terminal is mapped in the channel indexes of this regional ACK/NACK by descending this component carrier frequency index and the configuration of high-level signaling joint instructions, is perhaps directly notified by high-level signaling.
In the dynamic assignment zone of PUCCH1, (the PUCCH resource of shining upon component carrier frequency 1 is earlier in proper order followed the PUCCH resource that order is shone upon component carrier frequency 2) arranged in the PUCCH resource sequence mapping of all component carrier frequency this type according to component carrier frequency.Terminal is mapped in this regional ACK/NACK channel indexes can be according to high-level signaling, and the CCE index and the dynamic dispatching resource place carrier frequency index at the corresponding PDCCH of dynamic dispatching resource place obtain.
In each PUCCH type blocks, all resource indexs are according to from small to large sequence arrangement.
Embodiment 6
This method is according to PUCCH type piecemeal mapping, in each piece according to the PUCCH resource Continuous Mappings of component carrier frequency with all component carrier frequency.
Specifically,
With Fig. 9 is example, corresponding 2 the downlink component carrier frequency (being respectively component carrier frequency 1 and component carrier frequency 2) of certain upstream components carrier frequency this moment, in the resource area of PUCCH according to the PUCCH type with the resource piecemeal.
In the PUCCH2 zone, mix the PUCCH resource that is mapped with component carrier frequency 1 and component carrier frequency 2.Terminal is mapped in this regional CQI/PMI/RI channel indexes by descending this component carrier frequency index and the configuration of high-level signaling joint instructions, is perhaps directly notified by high-level signaling.
In the semi-static range of distribution of PUCCH1, mix the PUCCH resource that is mapped with component carrier frequency 1 and component carrier frequency 2.Terminal is mapped in this regional ACK/NACK channel indexes by descending this component carrier frequency index and the configuration of high-level signaling joint instructions, perhaps directly by high-level signaling notice terminal.
In the dynamic assignment zone of PUCCH1, divide block interleaving mapping arrangement (to shine upon the PUCCH of the first resource of component carrier frequency 1 earlier according to the size order that interweaves the PUCCH index of all component carrier frequency, shine upon the PUCCH of the first resource of component carrier frequency 2 then according to the size order that interweaves, all the other PUCCH resources of alternately shining upon component carrier frequency 1 and 2 afterwards again).Terminal is mapped in this regional ACK/NACK channel indexes according to high-level signaling, and the CCE index and the dynamic dispatching resource place carrier frequency index at the corresponding PDCCH of dynamic dispatching resource place obtain.
In each PUCCH type blocks, all resource indexs are according to from small to large sequence arrangement.
The present invention also provides physical uplink control channel resource mapping device in a kind of large bandwidth system, described device is divided into several zones with the upstream components carrier frequency, and the Physical Uplink Control Channel of the carrying same type signaling of several downlink component carrier frequency that will be corresponding with this upstream components carrier frequency is mapped on the different resource in the same area of this upstream components carrier frequency.
Described device inclusion region division unit, map unit, wherein:
Described area dividing unit is used for described upstream components carrier frequency is divided into first area and second area, and wherein, the first area is positioned at the both sides of this upstream components carrier frequency, and described second area is adjacent with described first area, is shone upon to inside by both sides;
Described map unit is used for carrying CQI or PMI or PI, or the Physical Uplink Control Channel of carrying CQI/PMI/PI and ACK/NACK is mapped to described first area, and the Physical Uplink Control Channel that only carries SR or ACK or NACK is mapped to described second area.
During described area dividing dividing elements, between described first area and second area, leave boundary belt.
Described area dividing unit also is used for described second area is further divided into semi-static zone and dynamic area, and wherein semi-static zone is adjacent with the first area, and the dynamic area is to remove semi-static extra-regional zone in the second area;
Described map unit, the PUCCH channel Mapping that also is used for carrying semi-static scheduling resources and carrying SR are to described semi-static zone, and the PUCCH channel Mapping of carrying dynamic dispatching resource is in described dynamic area.
Described map unit is shone upon the Physical Uplink Control Channel of each downlink component carrier frequency in proper order, is interweaved to shine upon or mix and is mapped in the described first area.Described map unit is shone upon the Physical Uplink Control Channel of each downlink component carrier frequency in proper order, is interweaved to shine upon or mix and is mapped in the semi-static zone of described second area.Described map unit is shone upon the Physical Uplink Control Channel of each downlink component carrier frequency in proper order or is interweaved and is mapped in the dynamic area of described second area.Order shine upon, interweave mapping and to mix the implication of mapping the same.
Described device also is used for by downlink component carrier frequency index and high-level signaling joint instructions, perhaps by the physical uplink control channel resource index of high-level signaling indication map in the semi-static zone of described first area and/or second area.Described device also is used for by the CCE index at the corresponding PDCCH of high-level signaling and dynamic dispatching resource place and the dynamic dispatching resource place component carrier frequency index indication map physical uplink control channel resource index in described dynamic area.
The present invention proposes the PUCCH resource area division methods of a kind of suitable LTE-Advannced, can guarantee the compatibility of LTE-Advanced system and LTE Release-8 system, make LTE Release-8 terminal can insert the LTE-Advanced network, and keep flexibility the LTE-Advanced Terminal Design.
The above is embodiments of the invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.Be not limited to the LTE-Advanced system as the applied system of the present invention.
Claims (20)
1, physical uplink control channel resource mapping method in a kind of large bandwidth system, it is characterized in that, the upstream components carrier frequency is divided into several zones, and the Physical Uplink Control Channel of the carrying same type signaling of the several downlink component carrier frequency corresponding with this upstream components carrier frequency is mapped on the different resource in the same area of this upstream components carrier frequency.
2, the method for claim 1, it is characterized in that, described upstream components carrier frequency is divided into first area and second area, wherein, the first area is positioned at the both sides of this upstream components carrier frequency, described second area is adjacent with described first area, shine upon to inside by both sides, carrying CQI or PMI or PI, or the Physical Uplink Control Channel of carrying CQI/PMI/PI and ACK/NACK is mapped to described first area, and the Physical Uplink Control Channel that only carries SR or ACK or NACK is mapped to described second area.
3, method as claimed in claim 2 is characterized in that, between described first area and the second area boundary belt is arranged.
4, method as claimed in claim 2, it is characterized in that, described second area is further divided into semi-static zone and dynamic area, wherein semi-static zone is adjacent with the first area, the dynamic area is to remove semi-static extra-regional zone in the second area, the Physical Uplink Control Channel of carrying semi-static scheduling resources and carrying SR is mapped in the described semi-static zone, and the Physical Uplink Control Channel of carrying dynamic dispatching resource is mapped in the described dynamic area.
5, method as claimed in claim 2 is characterized in that, in described first area, the Physical Uplink Control Channel of each downlink component carrier frequency shines upon in proper order, interweaves to shine upon or mix and is mapped to described first area.
6, method as claimed in claim 4 is characterized in that, in the semi-static zone of described second area, and shine upon in proper order, the interweave mapping or mix the semi-static zone be mapped to described second area of the Physical Uplink Control Channel of each downlink component carrier frequency.
7, method as claimed in claim 4 is characterized in that, in the dynamic area of described second area, the Physical Uplink Control Channel of each downlink component carrier frequency shines upon in proper order or interweaves and is mapped to the dynamic area of described second area.
8, as claim 5,6 or 7 described methods, it is characterized in that,
Order mapping is meant, shone upon the physical uplink control channel resource of a downlink component carrier frequency after, shine upon the physical uplink control channel resource of next downlink component carrier frequency again;
The mapping that interweaves is meant, earlier behind first's physical uplink control channel resource of a downlink component carrier frequency of mapping, shine upon first's physical uplink control channel resource of next downlink component carrier frequency, behind the first's physical uplink control channel resource that has shone upon all downlink component carrier frequency, shine upon the second portion physical uplink control channel resource of each downlink component carrier frequency again by this mode, up to all physical uplink control channel resources that shone upon each downlink component carrier frequency;
Mix mapping and be meant that the physical uplink control channel resource of each downlink component carrier frequency arbitrarily is mapped in its corresponding region.
9, as the arbitrary described method of claim 5 to 7, it is characterized in that, the physical uplink control channel resource index in semi-static zone that is mapped in described first area and/or second area is perhaps indicated by high-level signaling by downlink component carrier frequency index and high-level signaling joint instructions.
10, as the arbitrary described method of claim 5 to 7, it is characterized in that, be mapped in the physical uplink control channel resource index of described dynamic area, by the control channel unit CCE index and the indication of dynamic dispatching resource place component carrier frequency index at high-level signaling and dynamic dispatching resource corresponding physical down control channel PDCCH place.
11, physical uplink control channel resource mapping device in a kind of large bandwidth system, it is characterized in that, described device is divided into several zones with the upstream components carrier frequency, and the Physical Uplink Control Channel of the carrying same type signaling of several downlink component carrier frequency that will be corresponding with this upstream components carrier frequency is mapped on the different resource in the same area of this upstream components carrier frequency.
12, device as claimed in claim 11 is characterized in that, described device inclusion region division unit, and map unit,
Described area dividing unit is used for described upstream components carrier frequency is divided into first area and second area, and wherein, the first area is positioned at the both sides of this upstream components carrier frequency, and described second area is adjacent with described first area, is shone upon to inside by both sides;
Described map unit is used for carrying CQI or PMI or PI, or the Physical Uplink Control Channel of carrying CQI/PMI/PI and ACK/NACK is mapped to described first area, and the Physical Uplink Control Channel that only carries SR or ACK or NACK is mapped to described second area.
13, device as claimed in claim 12 is characterized in that, during described area dividing dividing elements, leaves boundary belt between described first area and second area.
14, device as claimed in claim 12, it is characterized in that described area dividing unit also is used for described second area is further divided into semi-static zone and dynamic area, wherein semi-static zone is adjacent with the first area, and the dynamic area is to remove semi-static extra-regional zone in the second area;
Described map unit also is used for the Physical Uplink Control Channel of carrying semi-static scheduling resources and carrying SR is mapped to described semi-static zone, and the Physical Uplink Control Channel of carrying dynamic dispatching resource is mapped in the described dynamic area.
15, device as claimed in claim 12 is characterized in that, described map unit is shone upon the Physical Uplink Control Channel of each downlink component carrier frequency in proper order, interweaved to shine upon or mix and is mapped in the described first area.
16, device as claimed in claim 14 is characterized in that, described map unit is shone upon the Physical Uplink Control Channel of each downlink component carrier frequency in proper order, interweaved to shine upon or mix and is mapped in the semi-static zone of described second area.
17, device as claimed in claim 14 is characterized in that, described map unit is shone upon the Physical Uplink Control Channel of each downlink component carrier frequency in proper order or interweaved and is mapped in the dynamic area of described second area.
18, as claim 15,16 or 17 described devices, it is characterized in that,
Order mapping is meant, shone upon the physical uplink control channel resource of a downlink component carrier frequency after, shine upon the physical uplink control channel resource of next downlink component carrier frequency again;
The mapping that interweaves is meant, earlier behind first's physical uplink control channel resource of a downlink component carrier frequency of mapping, shine upon first's physical uplink control channel resource of next downlink component carrier frequency, behind the first's physical uplink control channel resource that has shone upon all downlink component carrier frequency, shine upon the second portion physical uplink control channel resource of each downlink component carrier frequency again by this mode, up to all physical uplink control channel resources that shone upon each downlink component carrier frequency;
Mix mapping and be meant that the physical uplink control channel resource of each downlink component carrier frequency arbitrarily is mapped in its corresponding region.
19, as the arbitrary described device of claim 15 to 17, it is characterized in that, described device also is used for by downlink component carrier frequency index and high-level signaling joint instructions, perhaps by the physical uplink control channel resource index of high-level signaling indication map in the semi-static zone of described first area and/or second area.
20, as the arbitrary described device of claim 15 to 17, it is characterized in that described device also is used for by the CCE index at the PDCCH place of high-level signaling and dynamic dispatching resource correspondence and the dynamic dispatching resource place component carrier frequency index indication map physical uplink control channel resource index in described dynamic area.
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| CN2008101929880A CN101448332B (en) | 2008-12-31 | 2008-12-31 | Uplink control signal path resource mapping method in large bandwidth system and device thereof |
| PCT/CN2009/074442 WO2010075709A1 (en) | 2008-12-31 | 2009-10-14 | Method and apparatus for mapping resources of uplink control channel in large bandwidth system |
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| CN2008101929880A CN101448332B (en) | 2008-12-31 | 2008-12-31 | Uplink control signal path resource mapping method in large bandwidth system and device thereof |
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| CN101448332B (en) | 2011-12-28 |
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