CN101677282A - Configuration method and base station for radio resource scheduling - Google Patents
Configuration method and base station for radio resource scheduling Download PDFInfo
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- CN101677282A CN101677282A CN200810149047A CN200810149047A CN101677282A CN 101677282 A CN101677282 A CN 101677282A CN 200810149047 A CN200810149047 A CN 200810149047A CN 200810149047 A CN200810149047 A CN 200810149047A CN 101677282 A CN101677282 A CN 101677282A
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Abstract
The invention discloses a configuration method and a base station for radio resource scheduling, and the method comprises the following step: whether a signal configuration terminal supports the transmission time interval or not is controlled by the base station through radio resources, that is a TTI cluster and the semi-persistent scheduling (SPS) are combined for use. The technical scheme can flexibly configure whether the TTI cluster and the SPS are combined or not, thereby reducing the complexity of a system and being flexible, simple and convenient to realize.
Description
Technical field
The present invention relates to the communications field, and especially, relate to a kind of collocation method and base station of wireless resource scheduling.
Background technology
At 3G (Third Generation) Moblie Long Term Evolution (Long Term Evolution, abbreviate LTE as) in the system, the universal land radio access web of evolution (Evolved UniversalTerrestrial Radio Access Network, abbreviate E-UTRAN as) by base station (eNodeB, abbreviate eNB as) form, so E-UTRAN also can be called the base station.Wherein, Radio interface protocols uplink layer 2 structures of E-UTRAN as shown in Figure 1, comprise packet data convergence protocol, radio link control layer, medium access control (MediaAccess Control, abbreviate MAC as) protocol layer, wherein, at the MAC protocol layer, there is scheduling/processed (Scheduling/Priority handling) functional entity, wherein, scheduling feature is supported dynamic dispatching (Dynamic scheduling) and semi-persistent scheduling (or being called semi-persistent scheduling) (Semi-persistent Scheduling: abbreviate SPS as); The processed function is supported the processed of the Different Logic interchannel of same subscriber equipment (User Equipment abbreviates UE as), also supports to carry out processed between the different UEs by dynamic dispatching.
Wherein, up dynamic dispatching function is meant: up, E-UTRAN can be by sub-district-Radio Network Temporary Identifier (the Cell RadioNetwork Temporary Identifier on 1/ layer of 2 (L1/L2) control channel of layer, abbreviate C-RNTI as) at each Transmission Time Interval (Transmit Time Interval, abbreviate TTI as, corresponding to a subframe (subframe)) be the UE Resources allocation, for example, Physical Resource Block (Physical Resource Block, abbreviate PRB as) and Modulation and Coding Scheme (Modulation and Coding Scheme abbreviates MCS as).And, allowing to carry out under the situation of descending reception (being controlled) by discontinuous reception functionality, UE is 1/ layer of 2 control channel of monitor layer always, thereby be the possible resource allocation of up discovery.Wherein, 1/ layer of 2 control channel of layer is meant Physical Downlink Control Channel (Physical Downlink Control Channel, abbreviate PDCCH as), this channel is when being used for uplink scheduling, mainly be to carry uplink scheduling authorization (UL Grant), mainly comprise Resource Block (Resource Block, abbreviate RB as) assignment information, Modulation and Coding Scheme, mix automatic repeat requests (Hybrid Automatic Repeat Request, abbreviate HARQ as) information, transmission power control (Transmit Power Control, abbreviate TPC as) information, Radio Network Temporary Identifier/cyclic redundancy check (CRC) information such as (Cyclic Redundancy Check abbreviate CRC as).When uplink scheduling, UE is by Physical Uplink Control Channel (Physical Uplink Control Channel, abbreviate PUCCH as) carry dispatch request and channel quality indication (Channel Quality Indicator, abbreviate CQI as), the capable physically shared channel (Physical Uplink Shared Channel abbreviates PUSCH as) of upstream data is gone up and is sent.Dispatch request also can send by Random Access Channel, and CQI also can send by PUSCH.E-UTRAN is by the affirmation/non-affirmation response message (ACK/NACK) of the automatic repeat requests indicating channel of physical mixed (Physical Hybrid ARQ Indicator Channel abbreviates PHICH as) to the up transmission feedback HARQ of UE.
Up semi-persistent scheduling is meant: E-UTRAN can send for the HARQ first of UE and distribute predefined ascending resource, for example opportunity (Timing), resource, transformat (Transport Format) parameter etc.During UE was by the subframe of pre-allocation resource (Subframe), if UE does not find its C-RNTI on the L1/L2 control channel, then UE carried out up transmission at corresponding TTI according to the predefine resource.Network based predefined Modulation and Coding Scheme is decoded to predefined Physical Resource Block.In addition, during UE is by the subframe of pre-allocation resource, if UE has found its C-RNTI on the L1/L2 control channel, then UE carries out up transmission at corresponding TTI according to the indicated information of L1/L2 control channel, that is to say that the distribution of L1/L2 control channel substitutes the predefine of (Override) corresponding TTI and distributes, promptly, at corresponding TTI, dynamic dispatching may cover semi-persistent scheduling.
At present, in correlation technique, generally speaking, HARQ retransmits and uses the dynamic dispatching mode, also may use the semi-persistent scheduling mode.Typically, semi-persistent scheduling is applied to ip voice (Voice over Internet Protocol abbreviates VoIP as) business.Semi-persistent scheduling carries out initial configuration by Radio Resource control (Radio Resource Control abbreviates RRC as) signaling, for example, distributes the cycle (Periodicity) of semi-persistent scheduling.The activation of semi-persistent scheduling (Activation) is controlled by PDCCH, it is semi-durable or dynamic that PDCCH indicates uplink authorization (UL Grant) by certain mechanism, for example, PDCCH indicates by SPS C-RNTI, this SPS C-RNTI during with dynamic dispatching employed C-RNTI different.After UE has been assigned with predefined semipersistent resource, generally do not need to send dispatch request by PUCCH again.HARQ for dynamic dispatching or semi-persistent scheduling retransmits, and all can use self adaptation to retransmit mode or non-self-adapting re-transmission mode.Wherein, self adaptation retransmits and refers to that HARQ retransmits the re-transmission of carrying out according to information such as the indicated resource of the last control of PDCCH signaling, MCS; Non-self-adapting retransmits and refers to that HARQ retransmits the last HARQ of basis and sends the re-transmission that information such as (can pass for HARQ is first or the HARQ re-transmission) employed resource, MCS are carried out, and, sends information such as using identical resource, MCS with last HARQ that is.Non-self-adapting retransmits and can only trigger according to the NACK feedback, for example, retransmits for ascending HARQ, if UE detects NACK and do not monitor PDCCH on PHICH, then can carry out non-self-adapting and retransmit.
At cell edge,, therefore in a TTI, possibly can't finish the transmission of whole VoIP packet because uplink budget is low.Like this, can carry out segmentation to the VoIP packet by control (Radio Link Control abbreviates RLC as) layer at Radio Link, and in a plurality of TTI, send these segmentations respectively.But above-mentioned processing will increase the header overhead of layer 2, and this is because the transmission of each segmentation all need send uplink authorization (Grant) on PDCCH, therefore can increase the consumption of PDCCH resource.Each first biography or re-transmission all need be at the automatic repeat requests indicating channel of physical mixed (Physical Hybrid ARQIndicator Channel, abbreviate PHICH as) on carry out acknowledge message/non-acknowledge message (ACK/NACK) feedback, thereby increased wrong probability.
For solving the above problems, can use transmission time interval (tti) bundle (TTI bundling) scheme to solve the limited problem of up covering in the long evolving system.Be that example describes with the ip voice business below.Up TTI bunching scheme allows to use one group of continuous transmission block (Transport Block of subframe transmission, abbreviate TB as) different redundancy versions (Redundancy Version, abbreviate RV as), the feedback that before the HARQ of TTI boundling inside re-transmission does not need to wait for, once sends.Single TTI boundling uses same HARQ process, only needs single uplink authorization and single feedback, and other subframe in the TTI boundling except that first subframe all uses non-self-adapting to retransmit.The TTI bunching scheme can carry out On/Off at UE by high-level signaling, and after unlatching, relevant upstream data sends and will use the TTI bunching scheme.The number of the employed continuous subframes of TTI boundling can be fixed, or is configured with open command by the RRC signaling.Use Loop Round Trip Time (the Round Trip Time of TTI bunching scheme to HARQ, abbreviate RTT as), the timing relationship that retransmits of HARQ feedback and HARQ can bring certain influence, at present, third generation partner plans (3rdGeneration Partnership Project, abbreviating 3GPP as) scheme taked is that the opportunity of the ACK/NACK feedback of TTI boundling is based on the position of last subframe of TTI boundling.
Such scheme is applicable to Frequency Division Duplexing (FDD) (Frequency divided duplex abbreviates FDD as) and two kinds of patterns of time division duplex (Time divided duplex abbreviates TDD as).For fdd mode, the ACK/NACK feedback of TTI boundling is positioned at the 4th subframe (Last Bundled Subframe+4) after last subframe of TTI boundling opportunity, and the retransmission operation of TTI boundling occurs in after first subframe of TTI boundling the subframe of 2 times HARQ RTT position.
Wherein, the principle schematic of TTI bunching scheme as shown in Figure 2 under the fdd mode, 3GPP has adopted the TTI boundling size of 4 fixing continuous subframes, HARQ process 0 uses these 4 continuous TTI to send redundancy versions 0～3 (RV=0 of transmission block, RV=2, RV=3, RV=1), the ACK/NACK feedback of TTI boundling is in the position of HARQ process 7 virgin's frames, and the re-transmission of TTI boundling is in the position of 2 HARQ RTT.The HARQ of TTI boundling feedback is relevant with concrete HARQ process configuration relation with the timing relationship that HARQ retransmits under the tdd mode, but basic principle and fdd mode are similar, that is, its HARQ feedback also is based on last subframe of TTI boundling.
In correlation technique, use the TTI bunching scheme and use the semi-persistent scheduling scheme all can reduce the expense of PDCCH to a great extent, although being used in combination, both can also further reduce the PDCCH expense, but the gain that brings is limited, and increased the complexity that system realizes, wherein, can increase bigger complexity for tdd mode, less relatively for the complexity that fdd mode increases.
Whether current 3GPP is discussing needs the scheme of using TTI boundling and SPS to combine, and have two kinds of viewpoints: the first should support TTI boundling and SPS to use simultaneously; It two is not support TTI boundling and SPS to use simultaneously, but does not reach an agreement as yet.Proposing as yet at present can flexible configuration TTI boundling and the technical scheme of the occupation mode (using simultaneously simultaneously or not) of SPS.
Summary of the invention
Consider lack at present a kind of can flexible configuration TTI boundling and the problem of the technical scheme of the occupation mode of SPS and make the present invention, for this reason, main purpose of the present invention is to provide a kind of collocation method and base station of wireless resource scheduling, to solve the problems referred to above that exist in the correlation technique.
A kind of collocation method of wireless resource scheduling is provided according to an aspect of the present invention.
Collocation method according to wireless resource scheduling of the present invention comprises: whether the base station supports that by RRC signaling configurating terminal Transmission Time Interval is that TTI boundling and semi-persistent scheduling are that SPS is used in combination.
Wherein, above-mentioned RRC signaling comprises one of following at least: RRC connect set up, RRC connect reshuffle, the RRC connection reconstruction.
In addition, above-mentioned RRC signaling further comprises: is that the time division duplex of tdd mode is under the situation of TTI boundling at the TTI boundling for not distinguishing fdd mode and Frequency Division Duplexing (FDD), carry parameter or the cell of whether supporting that TTI boundling and SPS are used in combination in the RRC signaling, and parameter or cell be configured to Boolean, wherein, be true time at Boolean, express support for TTI boundling and SPS and be used in combination, at Boolean is fictitious time, and expression does not support TTI boundling and SPS to be used in combination; Perhaps distinguish under the situation of fdd mode TTI boundling and tdd mode TTI boundling at the TTI boundling, carry parameter or the cell of whether supporting that TTI boundling and SPS are used in combination in the RRC signaling, and, be respectively arranged with fdd mode and tdd mode in parameter or the cell, and, fdd mode in parameter or the cell and tdd mode are configured to Boolean respectively, wherein, use the Boolean true or false to represent respectively whether to support that fdd mode TTI boundling and SPS are used in combination, and whether support tdd mode TTI boundling and SPS to be used in combination.
In addition, above-mentioned RRC signaling further comprises: carry TTI bunching parameter or cell with the unified configuration of TTI boundling of fdd mode and tdd mode in the RRC signaling, and parameter or cell be configured to Boolean, use Boolean true or false sign TTI boundling unlatching or close; Perhaps carry TTI bunching parameter or cell that the TTI boundling with fdd mode and tdd mode disposes respectively in the RRC signaling, wherein, be respectively arranged with fdd mode and tdd mode in described parameter or the cell, and fdd mode in parameter or the cell and tdd mode be configured to Boolean respectively, use the true or false of Boolean to represent the unlatching of described fdd mode and/or tdd mode TTI boundling respectively or close.
In addition, above-mentioned RRC signaling further comprises: carry SPS parameter or cell in the RRC signaling, and comprise the SPS time interval in the SPS parameter at least, wherein, the SPS time interval can be configured to the time interval of different length.
Wherein, above-mentionedly whether support that parameter that TTI boundling and SPS are used in combination or cell, above-mentioned TTI bunching parameter or cell and above-mentioned SPS parameter or cell are MAC protocol layer parameter.
In addition, whether support parameter that TTI boundling and SPS are used in combination or cell to be configured to true and, under the situation of fdd mode and tdd mode parameter of common use or cell, said method further comprises: be unlatching at configuration TTI boundling cell, and during configuration SPS parameter, express support for TTI boundling and SPS and be used in combination.
In addition, whether support parameter that TTI boundling and SPS are used in combination or cell to be configured to true and, fdd mode and tdd mode use respectively under the situation of two parameters or cell, said method further comprises: disposing fdd mode TTI bunching parameter or cell and/or configuration tdd mode TTI bunching parameter or cell for opening, and during configuration SPS parameter, express support for fdd mode TTI boundling and/or tdd mode TTI boundling and SPS and be used in combination.
In addition, whether support parameter that TTI boundling and SPS are used in combination or cell be configured to vacation and, under the situation of fdd mode and tdd mode parameter of common use or cell, said method further comprises: if configuration TTI boundling cell is for opening, then no matter whether disposed the SPS parameter, all expressed support for the TTI boundling and do not support SPS; If terminal is by pre-configured or activated SPS, carry out in terminal under the situation of TTI boundling, need at first discharge the SPS resource, wherein, terminal discharges the SPS resource by RRC protocol layer indication MAC protocol layer, and perhaps terminal discharges the SPS resource by receiving the signaling that discharges the SPS resource in the Physical Downlink Control Channel.
In addition, whether support parameter that TTI boundling and SPS are used in combination or cell be configured to vacation and, fdd mode and tdd mode use respectively under the situation of two parameters or cell, said method further comprises: if configuration fdd mode TTI bunching parameter or cell and/or tdd mode TTI bunching parameter or cell are for opening, then no matter whether disposed the SPS parameter, all expressed support for fdd mode TTI boundling and/or tdd mode TTI boundling and do not support SPS; If terminal is by pre-configured or activated SPS, carry out in terminal under the situation of fdd mode TTI boundling and/or tdd mode TTI boundling, need at first discharge the SPS resource, wherein, terminal discharges the SPS resource by RRC protocol layer indication MAC protocol layer, and perhaps terminal discharges the SPS resource by receiving the signaling that discharges the SPS resource in the Physical Downlink Control Channel.
In addition, whether support parameter that TTI boundling and SPS are used in combination or cell be configured to vacation and, under the situation of fdd mode and tdd mode parameter of common use or cell, said method further comprises: if configuration TTI bunching parameter or cell are for closing, and disposed the SPS parameter, then expressed support for SPS and do not support the TTI boundling.
In addition, whether support parameter that TTI boundling and SPS are used in combination or cell be configured to vacation and, fdd mode and tdd mode use respectively under the situation of two parameters or cell, said method further comprises: disposing fdd mode TTI bunching parameter or cell and/or tdd mode TTI bunching parameter or cell for closing, and during configuration SPS parameter, express support for SPS and do not support fdd mode TTI boundling and/or tdd mode TTI boundling.
In addition, whether support parameter that TTI boundling and SPS are used in combination or cell disappearance and, under the situation of fdd mode and tdd mode parameter of common use or cell, said method further comprises: if the TTI boundling is configured to open, then no matter whether disposed the SPS parameter, expressed support for the TTI boundling and do not support SPS, and, support at needs under the situation of SPS, dispose the TTI boundling for closing by the RRC signaling.
In addition, whether support parameter that TTI boundling and SPS are used in combination or cell disappearance and, fdd mode and tdd mode use respectively under the situation of two parameters or cell, said method further comprises: if configuration fdd mode TTI bunching parameter or cell and/or tdd mode TTI bunching parameter or cell are for opening, then no matter whether disposed the SPS parameter, all expressed support for fdd mode TTI boundling and/or tdd mode TTI boundling and do not support SPS; And, support at needs under the situation of SPS, dispose the TTI boundling for closing by the RRC signaling.
According to a further aspect in the invention, provide a kind of base station of knowing clearly, be used to use the collocation method of above-mentioned wireless resource scheduling to carry out radio-resource-configuration.
Base station according to the present invention comprises: whether configuration module is used for supporting TTI boundling and SPS to be used in combination by RRC signaling configurating terminal.
By means of technical scheme of the present invention, mode by configuration realizes using whether simultaneously SPS and TTI boundling, in addition, the present invention also supports fdd mode TTI bunching scheme and unified control of tdd mode TTI bunching scheme or control respectively, can dispose whether combination of TTI boundling and SPS flexibly, reduced the complexity of system, and can be flexibly, realize simply and easily.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of Radio interface protocols uplink layer 2 structures of E-UTRAN in the correlation technique;
Fig. 2 is the principle schematic of TTI bunching scheme under the fdd mode in the correlation technique;
Fig. 3 is the flow chart according to the collocation method of the wireless resource scheduling of the embodiment of the invention;
Fig. 4 is the flow chart according to the example 1 of the collocation method of the wireless resource scheduling of the embodiment of the invention;
Fig. 5 is the flow chart according to the example 2 of the collocation method of the wireless resource scheduling of the embodiment of the invention;
Fig. 6 is the flow chart according to the example 3 of the collocation method of the wireless resource scheduling of the embodiment of the invention;
Fig. 7 is the flow chart according to the example 4 of the collocation method of the wireless resource scheduling of the embodiment of the invention;
Fig. 8 is the flow chart according to the example 5 of the collocation method of the wireless resource scheduling of the embodiment of the invention;
Fig. 9 is the flow chart according to the example 6 of the collocation method of the wireless resource scheduling of the embodiment of the invention.
Embodiment
Functional overview
At present, whether 3GPP is discussing needs the scheme of using TTI boundling and SPS to combine, and has two kinds of viewpoints: the first should support TTI boundling and SPS to use simultaneously; It two is not support TTI boundling and SPS to use simultaneously, but, at present also there is not concrete realization details at two kinds of above-mentioned viewpoints, the present invention is in the LTE system, the occupation mode of TTI boundling and SPS provides concrete implementation, promptly, for when using TTI boundling and SPS simultaneously, when do not use TTI boundling and SPS simultaneously, can carry out flexible configuration, particularly, whether the base station supports TTI boundling and SPS to be used in combination by RRC signaling configurating terminal, this scheme allows the occupation mode of flexible configuration TTI boundling and SPS, and is applicable to FDD and two kinds of patterns of TDD, and allows tdd mode to use different solutions respectively with fdd mode.
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Method embodiment
According to embodiments of the invention, a kind of collocation method of wireless resource scheduling is provided, Fig. 3 is the flow chart according to the collocation method of the wireless resource scheduling of the embodiment of the invention, as shown in Figure 3, comprises following processing (step S302 is to step S304):
Step S302, whether the base station supports TTI boundling and SPS to be used in combination by RRC signaling configurating terminal; Wherein, above-mentioned RRC signaling comprises one of following: RRC connect set up, RRC connect reshuffle, the RRC connection reconstruction.
In addition, in the application of reality, also comprise other parameter in the RRC signaling, below, the parameter that comprises in the RRC signaling is described.
1, the TTI boundling for the situation of TTI boundling of not distinguishing fdd mode and tdd mode under, carry parameter or the cell of whether supporting that TTI boundling and SPS are used in combination in the RRC signaling, and parameter or cell be configured to Boolean (Boolean), wherein, Boolean is a true time, express support for TTI boundling and SPS and be used in combination, Boolean is a fictitious time, and expression does not support TTI boundling and SPS to be used in combination.
Distinguish at the TTI boundling under the situation of fdd mode TTI boundling and tdd mode TTI boundling, carry parameter or the cell of whether supporting that TTI boundling and SPS are used in combination in the RRC signaling, and, be provided with fdd mode and tdd mode in parameter or the cell simultaneously, the fdd mode and the tdd mode of parameter or cell are configured to Boolean respectively, wherein, use the true or false of Boolean to represent respectively whether to support that fdd mode TTI boundling and SPS are used in combination, and/or whether support tdd mode TTI boundling and SPS to be used in combination.
2, carry TTI bunching parameter or cell with the TTI boundling of fdd mode and tdd mode unification configuration in the RRC signaling, and will unify the parameter or the cell that dispose and be configured to Boolean, the true or false of use Boolean is represented the unlatching of TTI boundling or is closed.
Carry TTI bunching parameter or cell that the TTI boundling with fdd mode and tdd mode disposes respectively in the RRC signaling, and, be respectively arranged with fdd mode and tdd mode in parameter or the cell, and fdd mode and tdd mode in above-mentioned parameter or the cell be configured to Boolean, use the true or false of Boolean to represent the unlatching of fdd mode and/or tdd mode TTI boundling respectively or close.
3, carry SPS parameter or cell in the RRC signaling, and comprise the SPS time interval in the SPS parameter at least, this SPS time interval can be configured to the time interval of different length.
Need to prove above-mentionedly whether support that parameter that TTI boundling and SPS are used in combination or cell, above-mentioned TTI bunching parameter or cell and above-mentioned SPS parameter or cell are MAC protocol layer parameter.
Step S304, terminal is carried out corresponding operation according to the configuration of base station.
Below, the configuration to TTI boundling and SPS of base station in all cases is elaborated.
Situation one, whether support parameter that TTI boundling and SPS are used in combination or cell to be configured to true and, under the situation of fdd mode and tdd mode parameter of common use or cell, be unlatching at configuration TTI boundling cell, and during configuration SPS parameter, express support for TTI boundling and SPS and be used in combination.
Situation two, whether support parameter that TTI boundling and SPS are used in combination or cell to be configured to true and, fdd mode and tdd mode use respectively under the situation of two parameters or cell, disposing fdd mode TTI bunching parameter or cell and/or tdd mode TTI bunching parameter or cell for opening, and during configuration SPS parameter, express support for fdd mode TTI boundling and/or tdd mode TTI boundling and SPS and be used in combination.
Situation three, whether support parameter that TTI boundling and SPS are used in combination or cell be configured to vacation and, under the situation of fdd mode and tdd mode parameter of common use or cell, if configuration TTI boundling cell is for opening, then no matter whether disposed the SPS parameter, all expressed support for the TTI boundling and do not support SPS; If terminal is by pre-configured or activated SPS, carry out in terminal under the situation of TTI boundling, need at first discharge the SPS resource, wherein, terminal discharges the SPS resource by RRC protocol layer indication MAC protocol layer, and perhaps terminal discharges the SPS resource by receiving the signaling that discharges the SPS resource in the Physical Downlink Control Channel.
Situation four, whether support parameter that TTI boundling and SPS are used in combination or cell be configured to vacation and, fdd mode and tdd mode use respectively under the situation of two parameters or cell, if configuration fdd mode TTI bunching parameter or cell and/or tdd mode TTI bunching parameter or cell are for opening, then no matter whether disposed the SPS parameter, all expressed support for fdd mode TTI boundling and/or tdd mode TTI boundling and do not support SPS; If terminal is by pre-configured or activated SPS, carry out in terminal under the situation of fdd mode TTI boundling and/or tdd mode TTI boundling, need at first discharge the SPS resource, wherein, terminal discharges the SPS resource by RRC protocol layer indication MAC protocol layer, and perhaps terminal discharges the SPS resource by receiving the signaling that discharges the SPS resource in the Physical Downlink Control Channel.
Situation five, whether support parameter that TTI boundling and SPS are used in combination or cell be configured to vacation and, under the situation of fdd mode and tdd mode parameter of common use or cell, if configuration TTI bunching parameter or cell are for closing, and disposed the SPS parameter, then expressed support for SPS and do not support the TTI boundling.
Situation six, whether support parameter that TTI boundling and SPS are used in combination or cell be configured to vacation and, fdd mode and tdd mode use respectively under the situation of two parameters or cell, disposing fdd mode TTI bunching parameter or cell and/or tdd mode TTI bunching parameter or cell for closing, and during configuration SPS parameter, express support for SPS and do not support fdd mode TTI boundling and/or tdd mode TTI boundling.
Situation seven, whether support parameter that TTI boundling and SPS are used in combination or cell disappearance and, under the situation of fdd mode and tdd mode parameter of common use or cell, if the TTI boundling is configured to open, then no matter whether disposed the SPS parameter, all expressed support for the TTI boundling and do not support SPS, and, support at needs under the situation of SPS, dispose the TTI boundling for closing by the RRC signaling.
Situation eight, whether support parameter that TTI boundling and SPS are used in combination or cell disappearance and, fdd mode and tdd mode use respectively under the situation of two parameters or cell, if configuration fdd mode TTI bunching parameter or cell and/or tdd mode TTI bunching parameter or cell are for opening, then no matter whether disposed the SPS parameter, all expressed support for fdd mode TTI boundling and/or tdd mode TTI boundling and do not support SPS; And, support at needs under the situation of SPS, dispose the TTI boundling for closing by the RRC signaling.
Below, further also in conjunction with the accompanying drawings the technical scheme of the embodiment of the invention is described by example.
Example 1
Fig. 4 is the flow chart according to the example 1 of the embodiment of the invention, as shown in Figure 4, comprises following processing:
By technique scheme, can unify control for fdd mode TTI boundling and tdd mode TTI boundling, and support TTI boundling and SPS to use simultaneously.
Example 2
Fig. 5 is the flow chart according to the example 2 of the embodiment of the invention, as shown in Figure 5, comprises following processing:
Step 502, the base station RRC connect to set up or RRC connect reshuffle or RRC signaling such as RRC connection reconstruction in configuration MAC parameter.
By above-mentioned processing, realized control respectively to fdd mode TTI boundling and tdd mode TTI boundling, and, realized that support fdd mode TTI boundling and/or tdd mode TTI boundling and SPS use simultaneously.
Example 3
Fig. 6 is the flow chart according to the example 3 of the embodiment of the invention, as shown in Figure 6, comprises following processing:
By technique scheme, realized control respectively, and supported fdd mode TTI boundling and/or tdd mode TTI boundling, and do not supported SPS fdd mode TTI boundling and tdd mode TTI boundling.
Example 4
Fig. 7 is the flow chart according to the example 4 of the embodiment of the invention, as shown in Figure 7, comprises following processing:
By above-mentioned processing, realized unified control to fdd mode TTI boundling and tdd mode TTI boundling, and, do not support TTI, support SPS.
Example 5
Fig. 8 is the flow chart according to the example 5 of the embodiment of the invention, as shown in Figure 8, comprises following processing:
Step 804 is configured to the TTI boundling to open in the MAC layer parameter, and configuration SPS parameter.
By above-mentioned processing, if whether support the cell disappearance that TTI boundling and SPS are used in combination, promptly, do not appear in the RRC signaling, then, when the TTI boundling is configured to open, no matter whether dispose the SPS parameter to fdd mode TTI boundling and the unified control of tdd mode TTI boundling, all support the TTI boundling, do not support SPS.
Example 6
Step S902, the base station has been configured the time interval of SPS.
Step S904, RRC connect to set up or RRC connect reshuffle or RRC signaling such as RRC connection reconstruction in configuration MAC parameter.
Step S906 is configured to fdd mode TTI boundling and/or tdd mode TTI boundling to use in the MAC layer parameter, do not dispose the SPS time interval or the SPS time interval is configured to invalid.
Step S908 after the base station sends above-mentioned reallocation message, discharges the SPS resource at rrc layer indication MAC layer.
Step S910 after terminal receives above-mentioned reallocation message, discharges the SPS resource at rrc layer indication MAC layer.
By above-mentioned processing, realized under the situation in the time interval of having disposed SPS, by in the MAC layer parameter, fdd mode TTI boundling and/or tdd mode TTI boundling being configured to use, do not dispose the SPS time interval or the SPS time interval is configured to invalid, discharge the SPS resource.
Device embodiment
According to embodiments of the invention, a kind of base station is provided, this base station can use the collocation method of above-mentioned wireless resource scheduling to carry out radio-resource-configuration.This base station comprises a configuration module, and whether this configuration module is used for supporting TTI boundling and SPS to be used in combination by RRC signaling configurating terminal.Wherein, above-mentioned RRC signaling can comprise one of following: RRC connect set up, RRC connect reshuffle, the RRC connection reconstruction.
In addition, in the RRC signaling, also comprise other parameter, below, the parameter that comprises in the RRC signaling is described.
1, the TTI boundling for the situation of TTI boundling of not distinguishing fdd mode and tdd mode under, configuration module carries parameter or the cell of whether supporting that TTI boundling and SPS are used in combination in the RRC signaling, and parameter or cell are configured to Boolean, wherein, Boolean is a true time, express support for TTI boundling and SPS and be used in combination, Boolean is a fictitious time, and expression does not support TTI boundling and SPS to be used in combination; Perhaps
Distinguish at the TTI boundling under the situation of fdd mode TTI boundling and tdd mode TTI boundling, configuration module carries parameter or the cell of whether supporting that TTI boundling and SPS are used in combination in the RRC signaling, and, be provided with fdd mode and tdd mode in parameter or the cell simultaneously, and, and the fdd mode and the tdd mode of parameter or cell be configured to Boolean respectively, wherein, use the true or false of Boolean to represent respectively whether to support that fdd mode TTI boundling and SPS are used in combination, and whether support tdd mode TTI boundling and SPS to be used in combination.
2, carry TTI bunching parameter or the cell that the TTI boundling of fdd mode and tdd mode is configured in the RRC signaling, and parameter or cell be configured to Boolean, use Boolean true or false sign TTI boundling unlatching or close; Perhaps carry the TTI bunching parameter or the cell that the TTI boundling of fdd mode and tdd mode are configured to two respectively in the RRC signaling, and, be respectively arranged with fdd mode and tdd mode in parameter or the cell, and fdd mode in parameter or the cell and tdd mode be configured to Boolean, use the true or false of Boolean to represent the unlatching of fdd mode and/or tdd mode TTI boundling respectively or close.
3, carry SPS parameter or cell in the RRC signaling, and comprise the SPS time interval in the SPS parameter at least, wherein, the SPS time interval can be configured to the time interval of different length.
Need to prove above-mentionedly whether support that parameter that TTI boundling and SPS are used in combination or cell, above-mentioned TTI bunching parameter or cell and above-mentioned SPS parameter or cell are MAC protocol layer parameter.
Below, configuration module is described in detail TTI boundling and SPS configuration in all cases.
Situation one, whether support parameter that TTI boundling and SPS are used in combination or cell to be configured to true and, under the situation of fdd mode and tdd mode parameter of common use or cell, be unlatching at configuration module configuration TTI boundling cell, and during configuration SPS parameter, express support for TTI boundling and SPS and be used in combination.
Situation two, whether support parameter that TTI boundling and SPS are used in combination or cell to be configured to true and, fdd mode and tdd mode use respectively under the situation of two parameters or cell, at configuration module configuration fdd mode TTI bunching parameter or cell and/or tdd mode TTI bunching parameter or cell for opening, and during configuration SPS parameter, express support for fdd mode TTI boundling and/or tdd mode TTI boundling and SPS and be used in combination.
Situation three, whether support parameter that TTI boundling and SPS are used in combination or cell be configured to vacation and, under the situation of fdd mode and tdd mode parameter of common use or cell, if configuration module configuration TTI boundling cell is for opening, then no matter whether disposed the SPS parameter, all sign is supported the TTI boundling and is not supported SPS; If terminal is by pre-configured or activated SPS, carry out in terminal under the situation of TTI boundling, need at first discharge the SPS resource, wherein, terminal discharges the SPS resource by RRC protocol layer indication MAC protocol layer, and perhaps terminal discharges the SPS resource by receiving the signaling that discharges the SPS resource in the Physical Downlink Control Channel.
Situation four, whether support parameter that TTI boundling and SPS are used in combination or cell be configured to vacation and, fdd mode and tdd mode use respectively under the situation of two parameters or cell, if configuration module configuration fdd mode TTI bunching parameter or cell and/or tdd mode TTI bunching parameter or cell are for opening, then no matter whether disposed the SPS parameter, all expressed support for fdd mode TTI boundling and/or tdd mode TTI boundling and do not support SPS; If terminal is by pre-configured or activated SPS, carry out in terminal under the situation of fdd mode TTI boundling and/or tdd mode TTI boundling, need at first discharge the SPS resource, wherein, terminal discharges the SPS resource by RRC protocol layer indication MAC protocol layer, and perhaps terminal discharges the SPS resource by receiving the signaling that discharges the SPS resource in the Physical Downlink Control Channel.
Situation five, whether support parameter that TTI boundling and SPS are used in combination or cell be configured to vacation and, under the situation of fdd mode and tdd mode parameter of common use or cell, if configuration module configuration TTI bunching parameter or cell are for closing, and disposed the SPS parameter, then expressed support for SPS and do not support the TTI boundling.
Situation six, whether support parameter that TTI boundling and SPS are used in combination or cell be configured to vacation and, fdd mode and tdd mode use respectively under the situation of two parameters or cell, at configuration module configuration fdd mode TTI bunching parameter or cell and/or tdd mode TTI bunching parameter or cell for closing, and during configuration SPS parameter, express support for SPS and do not support fdd mode TTI boundling and/or tdd mode TTI boundling.
Situation seven, whether support parameter that TTI boundling and SPS are used in combination or cell disappearance and, under the situation of fdd mode and tdd mode parameter of common use or cell, if configuration module TTI boundling is configured to open, then no matter whether disposed the SPS parameter, expressed support for the TTI boundling and do not support SPS, and, support at needs under the situation of SPS, dispose the TTI boundling for closing by the RRC signaling.
Situation eight, whether support parameter that TTI boundling and SPS are used in combination or cell disappearance and, fdd mode and tdd mode use respectively under the situation of two parameters or cell, if configuration module configuration fdd mode TTI bunching parameter or cell and/or tdd mode TTI bunching parameter or cell are for opening, then no matter whether disposed the SPS parameter, all expressed support for fdd mode TTI boundling and/or tdd mode TTI boundling and do not support SPS; And, support at needs under the situation of SPS, dispose the TTI boundling for closing by the RRC signaling.
In sum, by means of technical scheme of the present invention, mode by configuration realizes using whether simultaneously SPS and TTI boundling, in addition, the present invention also supports fdd mode TTI bunching scheme and unified control of tdd mode TTI bunching scheme or control respectively, can dispose whether combination of TTI boundling and SPS flexibly, reduce the complexity of system, and can be flexibly, realize simply and easily.
The above is the preferred embodiments of the present 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 protection scope of the present invention.
Claims (15)
1. the collocation method of a wireless resource scheduling is characterized in that, described method comprises:
Whether the base station supports that by the radio resource control signaling configurating terminal Transmission Time Interval is that TTI boundling and semi-persistent scheduling are that SPS is used in combination.
2. method according to claim 1 is characterized in that, it is one of following that described radio resource control signaling comprises at least: the foundation of Radio Resource control connection, wireless resource control connection reconfiguration, radio resource control connection reestablishment.
3. method according to claim 2 is characterized in that, described radio resource control signaling further comprises:
Is that fdd mode and time division duplex are under the situation of TTI boundling of tdd mode at described TTI boundling for not distinguishing Frequency Division Duplexing (FDD), carry parameter or the cell of whether supporting that TTI boundling and SPS are used in combination in the described radio resource control signaling, and described parameter or cell be configured to Boolean, wherein, at described Boolean is true time, expressing support for described TTI boundling and described SPS and be used in combination, is fictitious time at described Boolean, and expression does not support described TTI boundling and described SPS to be used in combination; Perhaps
Distinguish at described TTI boundling under the situation of fdd mode TTI boundling and tdd mode TTI boundling, carry parameter or the cell of whether supporting that TTI boundling and SPS are used in combination in the described radio resource control signaling, and, be respectively arranged with fdd mode and tdd mode in described parameter or the cell, and, described fdd mode in described parameter or the cell and described tdd mode are configured to Boolean respectively, wherein, use described Boolean true or false to represent whether to support described fdd mode TTI boundling and SPS to be used in combination respectively, and whether support described tdd mode TTI boundling and SPS to be used in combination.
4. method according to claim 2 is characterized in that, described radio resource control signaling further comprises:
Carry TTI bunching parameter or cell in the described radio resource control signaling with the unified configuration of TTI boundling of described fdd mode and described tdd mode, and described parameter or cell be configured to Boolean, use the true or false of described Boolean to identify the unlatching of described TTI boundling or close; Perhaps
Carry TTI bunching parameter or cell that the TTI boundling with described fdd mode and described tdd mode disposes respectively in the described radio resource control signaling, wherein, be respectively arranged with described fdd mode and described tdd mode in described parameter or the cell, and described fdd mode in described parameter or the cell and described tdd mode be configured to Boolean respectively, use the true or false of described Boolean to represent the unlatching of described fdd mode and/or tdd mode TTI boundling respectively or close.
5. method according to claim 2 is characterized in that, described radio resource control signaling further comprises:
Carry SPS parameter or cell in the described radio resource control signaling, and comprise the SPS time interval at least in the described SPS parameter, wherein, the described SPS time interval can be configured to the time interval of different length.
6. according to each described method in the claim 3 to 5, it is characterized in that describedly whether support that parameter that TTI boundling and SPS are used in combination or cell, described TTI bunching parameter or cell and described SPS parameter or cell are the media access control protocol layer parameter.
7. according to each described method in the claim 1 to 5, it is characterized in that, described whether support parameter that TTI boundling and SPS are used in combination or cell to be configured to true and, under the situation of described fdd mode and described tdd mode parameter of common use or cell, described method further comprises:
, and during configuration SPS parameter, express support for TTI boundling and SPS and be used in combination for opening at configuration TTI boundling cell.
8. according to each described method in the claim 1 to 5, it is characterized in that, described whether support parameter that TTI boundling and SPS are used in combination or cell to be configured to true and, described fdd mode and described tdd mode use respectively under the situation of two parameters or cell, and described method further comprises:
, and during configuration SPS parameter, express support for fdd mode TTI boundling and/or tdd mode TTI boundling and SPS and be used in combination for opening at configuration fdd mode TTI bunching parameter or cell and/or configuration tdd mode TTI bunching parameter or cell.
9. according to each described method in the claim 1 to 5, it is characterized in that, described whether support parameter that TTI boundling and SPS are used in combination or cell be configured to vacation and, under the situation of described fdd mode and described tdd mode parameter of common use or cell, described method further comprises:
If no matter whether configuration TTI boundling cell then disposed the SPS parameter for opening, all express support for the TTI boundling and do not support SPS;
If terminal is by pre-configured or activated SPS, carry out in terminal under the situation of TTI boundling, need at first discharge the SPS resource, wherein, described terminal discharges described SPS resource by radio resource control layer indication media access control protocol layer, and perhaps terminal discharges described SPS resource by receiving the signaling that discharges the SPS resource in the Physical Downlink Control Channel.
10. according to each described method in the claim 1 to 5, it is characterized in that, described whether support parameter that TTI boundling and SPS are used in combination or cell be configured to vacation and, described fdd mode and described tdd mode use respectively under the situation of two parameters or cell, and described method further comprises:
If no matter whether configuration fdd mode TTI bunching parameter or cell and/or tdd mode TTI bunching parameter or cell have then disposed the SPS parameter for opening, all express support for fdd mode TTI boundling and/or tdd mode TTI boundling and do not support SPS;
If terminal is by pre-configured or activated SPS, carry out in terminal under the situation of fdd mode TTI boundling and/or tdd mode TTI boundling, need at first discharge the SPS resource, wherein, described terminal discharges described SPS resource by radio resource control layer indication media access control protocol layer, and perhaps terminal discharges described SPS resource by receiving the signaling that discharges the SPS resource in the Physical Downlink Control Channel.
11. according to each described method in the claim 1 to 5, it is characterized in that, described whether support parameter that TTI boundling and SPS are used in combination or cell be configured to vacation and, under the situation of described fdd mode and described tdd mode parameter of common use or cell, described method further comprises:
If configuration TTI bunching parameter or cell be for closing, and disposed the SPS parameter, then expressed support for SPS and do not support the TTI boundling.
12. according to each described method in the claim 1 to 5, it is characterized in that, described whether support parameter that TTI boundling and SPS are used in combination or cell be configured to vacation and, described fdd mode and described tdd mode use respectively under the situation of two parameters or cell, and described method further comprises:
, and when disposing the SPS parameter, express support for SPS and do not support fdd mode TTI boundling and/or tdd mode TTI boundling for closing at configuration fdd mode TTI bunching parameter or cell and/or tdd mode TTI bunching parameter or cell.
13. according to each described method in the claim 1 to 5, it is characterized in that, described whether support parameter that TTI boundling and SPS are used in combination or cell disappearance and, under the situation of described fdd mode and described tdd mode parameter of common use or cell, described method further comprises:
If described TTI boundling is configured to open, then no matter whether disposed the SPS parameter, express support for the TTI boundling and do not support SPS, and, support at needs to dispose described TTI boundling for closing by described radio resource control signaling under the situation of SPS.
14. according to each described method in the claim 1 to 5, it is characterized in that, described whether support parameter that TTI boundling and SPS are used in combination or cell disappearance and, described fdd mode and described tdd mode use respectively under the situation of two parameters or cell, and described method further comprises:
If no matter whether configuration fdd mode TTI bunching parameter or cell and/or tdd mode TTI bunching parameter or cell have then disposed the SPS parameter for opening, all express support for fdd mode TTI boundling and/or tdd mode TTI boundling and do not support SPS; And, support at needs to dispose described TTI boundling for closing by described radio resource control signaling under the situation of SPS.
15. a base station uses the collocation method according to each described wireless resource scheduling in the claim 1 to 14 to carry out radio-resource-configuration, it is characterized in that described base station comprises:
Whether configuration module is used for supporting TTI boundling and SPS to be used in combination by the radio resource control signaling configurating terminal.
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