CN103516490A - TDD uplink/downlink configuration transmission feedback method and device - Google Patents
TDD uplink/downlink configuration transmission feedback method and device Download PDFInfo
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- CN103516490A CN103516490A CN201210226753.5A CN201210226753A CN103516490A CN 103516490 A CN103516490 A CN 103516490A CN 201210226753 A CN201210226753 A CN 201210226753A CN 103516490 A CN103516490 A CN 103516490A
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- tdd uplink
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
- H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
Abstract
The invention relates to the field of communication and discloses a TDD uplink/downlink configuration transmission feedback method. The method comprises the steps that a base state distributes the latest TDD uplink/downlink configuration to a terminal, the terminal can feed back the receiving situation of the newly-distributed TDD uplink/downlink configuration to the base station, and the base station and the terminal can choose appropriate TDD uplink/downlink configuration according to the receiving situation to control uplink/downlink transmission in a following process. Thus, the situation where the base station and the terminal are different in comprehension of the TDD uplink/downlink configuration is avoided, a fuzzy period is avoided, the base station and the terminal can control uplink/downlink transmission according to identical TDD uplink/downlink configuration, service quality of a system is further effectively guaranteed, and performance of the system is improved.
Description
Technical field
The present invention relates to the communications field, particularly a kind of transmission feedback method and device of TDD uplink-downlink configuration.
Background technology
Consult shown in Fig. 1, the basic duplex mode adopting for cellular system: TDD(Time division duplex, time division duplex) pattern refers to that uplink downlink is used same working band, transmission at different moment row uplink and downlink signals, between up-downgoing, there is GP(Guard Period, protection interval);
FDD(Frequency Division Duplex) pattern refers to that uplink downlink is used different working bands; can when same, be engraved in the transmission of carrying out uplink and downlink signals on different frequency carriers; between up-downgoing, there is GB(Guard Band, protection bandwidth).
LTE(Long Term Evolution, Long Term Evolution) frame structure of TDD system is slightly more complex.As shown in Figure 2, a radio frames length is 10ms, comprises special subframe and conventional subframe two classes totally 10 subframes, and each subframe is 1ms.Special subframe is divided into 3 time slots: DwPTS(descending pilot frequency time slot), GP and UpPTS(uplink pilot time slot).Conventional subframe comprises sub-frame of uplink and descending sub frame, for transmitting uplink/downlink control signal and business datum etc.Wherein, in a radio frames, can configure two special subframes (being usually located at subframe #1 and #6), also can configure a special subframe (being usually located at subframe #1).DwPTS time slot in subframe # 0 and subframe # 5 and special subframe is always as downlink transfer, UpPTS time slot in subframe # 2 and special subframe is always for uplink, and other subframes can be as uplink or downlink transfer according to needs flexible configuration.
At TD-LTE(TD-SCDMA Long Term Evolution, TD SDMA-Long Term Evolution) in system, in special subframe, the summation of tri-time slots of DwPTS/GP/UpPTS is 1ms, three slot lengths are divided and are supported different configuring conditions, as shown in table 1, Biao Zhong time span unit is Ts, 1T
s=1/ (15000 * 2048) second.
Table 1
(configuration format of TD-LTE special subframe)
In TD-LTE, ascending-descending subframes distributes 7 kinds of different TDD uplink-downlink configuration modes of support, and concrete configuration parameter is as shown in table 2 below, wherein, D represents as downlink transfer, U represents that S represents that this subframe is special subframe, comprises DwPTS, GP and UpPTS tri-parts as uplink.
Table 2
(LTE TDD ascending-descending subframes configuration format)
The configuration of above-mentioned special subframe and the ascending-descending subframes method of salary distribution are passed through SI(System Information, system information) be broadcast to all users in community.
Under prior art, existing a kind of ascending-descending subframes allocation plan is as follows:
At certain hour, in the cycle, set four kinds of subframe type, comprise the subframe that is fixed for downlink transfer, be fixed for the subframe of uplink, and flexible allocation is the subframe of uplink or downlink transfer.Consult shown in Fig. 3, setting a time cycle is that a radio frames (is only an example, also it may be the other times cycle), wherein subframe # 0 and subframe # 5 are fixing descending sub frame, subframe # 2 and subframe #7 are fixing sub-frame of uplink, subframe #1 and #6 are special subframe (also can be classified as fixedly descending sub frame in), other subframes (as subframe #3, subframe # 4, subframe # 8 and subframe #9) for flexible allocation be the subframe of uplink or downlink transfer.For last class subframe, dynamic-configuration can be carried out according to real-time business demand and channel conditions in base station, to adapt to the dynamic change of business demand.
The allocation plan of above-mentioned special subframe and ascending-descending subframes adopts broadcast message to send to user conventionally.At present, broadcast message comprises MIB(Master Information Block, Master Information Block) and SIB(System Information Block, system information block) two kinds, SIB can be designated as SIBi(i=1,2,3, ... N), wherein, TDDTDD uplink-downlink configuration sends in SIB1.The transmission cycle of SIB1 is fixed as 80ms, and in one-period, every 20ms retransmits identical content.The transmission of SIB1 is fixed on the subframe # 5 of even number radio frames, and transmission is first positioned at SFN(System Frame Number, System Frame Number) radio frames of mod8=0, specifically as shown in Figure 4.
At present, in common TDD system, as, the TD-SCDMA system of 3G and the TD-LTE system of 4G, the configuration of up special subframe and ascending-descending subframes is static or semi-static, and common way is according to cell type and business proportion roughly, determine all kinds of subframe ratio cut partitions and remain unchanged in network planning process.This is comparatively simple way under the background of the large covering of macrocell, and also comparatively effective.
And along with technical development, increasing Pico cell(Microcell), Home NodeB(Home eNodeB) etc. low power base station be deployed for local little covering is provided.In Zhe Lei community, number of users is less, and customer service changes in demand is larger, therefore there is situation about dynamically changing in the up-downgoing business proportion demand of community, now, network side need to adopt semi-static mode that TDD uplink-downlink configuration is set, and the system information of carrying TDD uplink-downlink configuration can frequently change.Yet, because the disposal ability of different terminals is different, its needed actual treatment time delay is also different, therefore, when system is notified after each terminal by the TDD uplink-downlink configuration resetting by system information, can cause base station cannot determine when each terminal starts respectively to carry out work according to new TDD uplink-downlink configuration, thereby there is the fuzzy phase in the situation that causes base station and terminal to cause understanding differently of TDD uplink-downlink configuration.If carry out up-downgoing transmission in the fuzzy phase, due to the HARQ(Hybrid Automatic Repeat reQ terminal st of base station side and end side definition; Mixed automatic retransfer request) sequential relationship is inconsistent, can cause base station and terminal all cannot normally receive data and feed back.
Under prior art, the most direct solution adopting for above-mentioned technical problem is exactly base station at dispatch terminal not of fuzzy phase, about 80ms of common fuzzy phase.And the period of change of TDD uplink-downlink configuration relatively short (for example, the maximum up-downgoing period of change of considering is at present 640ms), this will cause a large amount of wastings of resources.For example, when the period of change of TDD uplink-downlink configuration is 640ms, the fuzzy phase is while being 80ms, every 640ms, base station just can be in ensuing 80ms dispatch terminal not, this will cause the serious wasting of resources, the degree of the wasting of resources is in 12.5% left and right according to statistics; And along with the shortening of TDD uplink-downlink configuration period of change, the phenomenon of the wasting of resources will be day by day serious.
Summary of the invention
The embodiment of the present invention provides a kind of transmission feedback method and device of TDD uplink-downlink configuration, in order to avoid causing system resource waste because of the variation of TDD uplink-downlink configuration.
The concrete technical scheme that the embodiment of the present invention provides is as follows:
A kind of transmission feedback method of TDD uplink-downlink configuration comprises:
Base station is defined as the newly assigned TDD uplink-downlink configuration of terminal, and by this newly assigned TDD uplink-downlink configuration notification terminal;
Base station, according to the reception condition of the described newly assigned TDD uplink-downlink configuration of terminal feedback, adopts corresponding TDD uplink-downlink configuration to control up-downgoing transmission.
A transmission feedback method for uplink-downlink configuration, comprising:
Terminal receives the newly assigned TDD uplink-downlink configuration in base station, and to the reception condition of newly assigned TDD uplink-downlink configuration described in base station feedback;
Terminal, according to the reception condition of described newly assigned TDD uplink-downlink configuration, adopts corresponding TDD uplink-downlink configuration to control up-downgoing transmission.
A transmission feedback device for uplink-downlink configuration, comprising:
The first processing unit, for being defined as the newly assigned TDD uplink-downlink configuration of terminal, and by this newly assigned TDD uplink-downlink configuration notification terminal;
The second processing unit, for according to the reception condition of the described newly assigned TDD uplink-downlink configuration of terminal feedback, adopts corresponding TDD uplink-downlink configuration to control up-downgoing transmission.
A transmission feedback device for uplink-downlink configuration, comprising:
Communication unit, for receiving the newly assigned TDD uplink-downlink configuration in base station, and to the reception condition of newly assigned TDD uplink-downlink configuration described in base station feedback;
Control unit, for according to the reception condition of described newly assigned TDD uplink-downlink configuration, adopts corresponding TDD uplink-downlink configuration to control up-downgoing transmission.
In the embodiment of the present invention, after base station is the up-to-date TDD uplink-downlink configuration of terminal distribution, terminal is to the reception condition of the newly assigned TDD uplink-downlink configuration of base station feedback, base station and terminal are all with reference to this reception condition, select suitable TDD uplink-downlink configuration in follow-up flow process, to control up-downgoing transmission, like this, just the situation that does not exist base station side and end side that TDD uplink-downlink configuration is understood differently and caused, avoided the generation of fuzzy phase, thereby make base station can control up-downgoing transmission according to consistent TDD uplink-downlink configuration with terminal, and then effectively guaranteed the service quality of system, promoted systematic function.
Accompanying drawing explanation
Fig. 1 is basic duplex mode relationship between frequency and time schematic diagram under prior art;
Fig. 2 is TD-LTE system frame structure schematic diagram under prior art;
Fig. 3 is dynamic ascending-descending subframes allocative decision schematic diagram under prior art;
Fig. 4 is SIB1 transmission diagram illustration intention under prior art;
Fig. 5 is base station functions structural representation in the embodiment of the present invention;
Fig. 6 is termination function structural representation in the embodiment of the present invention;
Fig. 7 is that in the embodiment of the present invention, base station arranges TDD uplink-downlink configuration flow chart;
Fig. 8 is that in the embodiment of the present invention, terminal is used TDD uplink-downlink configuration flow chart.
Embodiment
In the system of TDD standard, for fear of system resource waste, improve systematic function, in the embodiment of the present invention, after base station is the up-to-date TDD uplink-downlink configuration of terminal distribution, terminal is to the reception condition of the newly assigned TDD uplink-downlink configuration of base station feedback, and base station and terminal, all with reference to this reception condition, select suitable TDD uplink-downlink configuration in follow-up flow process, to control up-downgoing transmission.
Below in conjunction with accompanying drawing, the preferred embodiment of the present invention is elaborated.
Consult shown in Fig. 5, embodiment of the present invention Zhong， base station comprises the first processing unit 50 and the second processing unit 51, wherein,
The first processing unit 50, for being defined as the newly assigned TDD uplink-downlink configuration of terminal, and by this newly assigned TDD uplink-downlink configuration notification terminal;
The second processing unit 51, for according to the reception condition of the above-mentioned newly assigned TDD uplink-downlink configuration of terminal feedback, adopts corresponding TDD uplink-downlink configuration to control up-downgoing transmission.
Consult shown in Fig. 6, in the embodiment of the present invention, terminal comprises communication unit 60 and control unit 61, wherein,
Consult shown in Fig. 7, it is as follows that embodiment of the present invention Zhong， base station is that terminal arranges the detailed process of TDD uplink-downlink configuration:
Step 700: base station is defined as the newly assigned TDD uplink-downlink configuration of terminal, and by this TDD uplink-downlink configuration notification terminal.
In the embodiment of the present invention, because network environment is in continuous variation, therefore, base station can be periodically dynamically terminal distribution TDD uplink-downlink configuration according to actual application environment, for example, take the equal times such as 640ms, 320ms as the cycle be terminal distribution TDD uplink-downlink configuration.
Common, base station can be carried on newly assigned TDD uplink-downlink configuration PDSCH(Physical Downlink Shared Channel, physical down link sharing channel) upper, by system information, send to terminal.
Step 710: base station, according to the reception condition of the above-mentioned newly assigned TDD uplink-downlink configuration of terminal feedback, adopts corresponding TDD uplink-downlink configuration to control up-downgoing transmission.
Concrete, when the newly assigned TDD uplink-downlink configuration of the correct reception of terminal is determined according to the feedback of terminal in base station, adopt newly assigned TDD to be configured in up and down and in follow-up flow process, control up-downgoing transmission, until distribute new TDD uplink-downlink configuration next time, when Ze Dang base station determines that according to the feedback of terminal terminal does not correctly receive newly assigned TDD uplink-downlink configuration, continue to adopt the TDD uplink-downlink configuration of current use in follow-up flow process, to control up-downgoing transmission, until terminal feedback correctly receives newly assigned TDD uplink-downlink configuration; Wherein, so-called control up-downgoing transmission, at least comprises: base station adopts the TDD uplink-downlink configuration of newly assigned or current use, is the corresponding up-downgoing resource of each subframe scheduling, and configures the HARQ feedback sequential relationship between each subframe.
In the present embodiment, in execution step 710Shi， base station, can adopt the reception condition of the above-mentioned newly assigned TDD uplink-downlink configuration of physical layer signaling or high-level signaling receiving terminal feedback.
A, take physical layer signaling as example.
Physical layer signaling is carried on PUCCH(Physical Uplink Control CHannel conventionally, physical uplink is controlled upper signal channel) on, the ACK(that base station can be fed back by physical layer signaling receiving terminal correctly responds), or, the ACK feeding back by physical layer signaling receiving terminal or NACK(errored response), wherein, in the previous case, terminal only when correctly receiving newly assigned TDD uplink-downlink configuration just to base station feedback ACK, therefore, if base station does not receive the ACK of base station feedback, give tacit consent to terminal and correctly do not receive newly assigned TDD uplink-downlink configuration, and under latter event, if base station receives the ACK of terminal feedback, determine that terminal correctly receives newly assigned TDD uplink-downlink configuration, if receive the NACK of terminal feedback, determine that terminal does not correctly receive newly assigned TDD uplink-downlink configuration.All like this in subsequent embodiment, will repeat no more.
Certainly, base station sends the subframe k that newly assigned TDD uplink-downlink configuration adopts and receives the HARQ sequential relationship between the subframe n that the physical layer signaling of carrying feedback information adopts, and can be made an appointment by base station and terminal, or ，You base station configures to terminal.
B, take high-level signaling as example.
The high-level signaling that base station adopts can be MAC(Medium Access Control, media access control) signaling, can be also RRC(Radio Resource Control, Radio Resource is controlled) signaling.MAC signaling or RRC signaling can be passed through in base station, the ACK of receiving terminal feedback; Or, also can pass through MAC signaling or RRC signaling, ACK or the NAC K of receiving terminal feedback; Or, the sign of the TDD uplink-downlink configuration of the current use of terminal that can also feed back by MAC signaling or RRC signaling receiving terminal (as, the sequence number of TDD downstream arrangements), wherein, in the end, in a kind of situation, if terminal feedback is the sequence number of newly assigned TDD uplink-downlink configuration, illustrate that terminal correctly receives newly assigned TDD uplink-downlink configuration, if terminal feedback is the sequence number of the TDD uplink-downlink configuration of current use, illustrate that terminal does not correctly receive newly assigned TDD uplink-downlink configuration.
Further, base station can also further get the temporal information that terminal receives newly assigned TDD uplink-downlink configuration in MAC signaling or RCC signaling, according to this temporal information, base station and terminal can synchronously accurately be known and should adopt newly assigned TDD uplink-downlink configuration to control up-downgoing transmission constantly from which, to avoid occurring the fuzzy phase.
Based on above-described embodiment, corresponding, to consult shown in Fig. 8, in the embodiment of the present invention, terminal is used the detailed process of TDD uplink-downlink configuration as follows according to the indication of base station:
Step 800: terminal receives the newly assigned TDD uplink-downlink configuration in base station, and to the reception condition of this newly assigned TDD uplink-downlink configuration of base station feedback.
In the embodiment of the present invention, because network environment is in continuous variation, therefore, base station can be periodically dynamically terminal distribution TDD uplink-downlink configuration according to actual application environment, for example, take the equal times such as 640ms, 320ms as the cycle be terminal distribution TDD uplink-downlink configuration.Common, terminal can receive the TDD uplink-downlink configuration that base station sends by the system information being carried on PDSCH.
In the present embodiment, execution step 800 o'clock, terminal can adopt physical layer signaling or high-level signaling to the reception condition of the above-mentioned newly assigned TDD uplink-downlink configuration of base station feedback.
A, take physical layer signaling as example.
It is upper that physical layer signaling is carried on PUCCH conventionally, and terminal can be by physical layer signaling to base station feedback feeding back ACK, or, by physical layer signaling to base station feedback ACK or NACK.
Certainly, terminal receives the subframe k that newly assigned TDD uplink-downlink configuration adopts and sends the HARQ sequential relationship between the subframe n that the physical layer signaling of carrying feedback information adopts, and can be made an appointment by base station and terminal, or ，You base station configures to terminal.
B, take high-level signaling as example.
The high-level signaling that terminal adopts can be MAC signaling, can be also RRC signaling.Terminal can be passed through MAC signaling or RRC signaling, to base station feedback ACK; Or, also can pass through MAC signaling or RRC signaling, to base station feedback ACK or NACK; Or, can also be by MAC signaling or RRC signaling to the sign of the TDD uplink-downlink configuration of the current use of base station feedback terminal (as, the sequence number of TDD downstream arrangements).
Further, terminal can also further be carried the temporal information that receives newly assigned TDD uplink-downlink configuration in MAC signaling or RCC signaling, according to this temporal information, base station and terminal can synchronously accurately be known and should adopt newly assigned TDD uplink-downlink configuration to control up-downgoing transmission constantly from which, to avoid occurring the fuzzy phase.
Step 810: terminal, according to the reception condition of above-mentioned newly assigned TDD uplink-downlink configuration, adopts corresponding TDD uplink-downlink configuration to control up-downgoing transmission.
Concrete, when the newly assigned TDD uplink-downlink configuration of the correct reception of terminal, adopt newly assigned TDD to be configured in up and down and in follow-up flow process, control up-downgoing transmission, until the TDD uplink-downlink configuration that base station assigns is new next time, and terminal is determined when terminal does not correctly receive newly assigned TDD uplink-downlink configuration, continue to adopt the TDD uplink-downlink configuration of current use in follow-up flow process, to control up-downgoing transmission, until the correct newly assigned TDD uplink-downlink configuration (base station can repeat to issue) that receives of terminal, wherein, so-called control up-downgoing transmission, at least comprise: base station adopts the TDD uplink-downlink configuration of newly assigned or current use, for the corresponding up-downgoing resource of each subframe scheduling, and the HARQ configuring between each subframe feeds back sequential relationship.
Some concrete application scenarioss of take are below example, and above-described embodiment is made and being described in further detail.
Scene one: whether terminal adopts RRC signaling to feed back newly assigned TDD uplink-downlink configuration and correctly receive.
When terminal correctly receives after the most newly assigned TDD uplink-downlink configuration in base station, (for example, TDD uplink-downlink configuration is carried in SIB1), generate a RRC signaling S1, S1 only comprises 1 bit information, represents that terminal correctly receives TDD uplink-downlink configuration, and SI can be the RRC message increasing newly, or, also can reuse current existing RRC message newly-increased corresponding field parameter.
Terminal sends to base station in corresponding subframe by the data of carrying this SI, and wherein, corresponding subframe also refers to available sub-frame of uplink, comprises two layers of meaning: be often referred to fixedly identical sub-frame of uplink in sub-frame of uplink or new and old TDD uplink-downlink configuration.Terminal is the feedback SI of morning as far as possible, preferably, conventionally can on nearest available sub-frame of uplink, feed back SI.
Terminal correct receive carry newly assigned TDD uplink-downlink configuration system message (as, SIB1) before, follow old TDD uplink-downlink configuration, follow afterwards new TDD uplink-downlink configuration.
Scene two: terminal adopts the TDD uplink-downlink configuration of the current use of RRC signaling feedback terminal.
When terminal correctly receives after the most newly assigned TDD uplink-downlink configuration in base station, (for example, TDD uplink-downlink configuration is carried in SIB1), generate a RRC signaling S1, S1 only comprises 3 bit informations, represents the TDD uplink-downlink configuration of the current use of terminal, and SI can be the RRC message increasing newly, or, also can reuse current existing RRC message newly-increased corresponding field parameter.
Terminal sends to base station in corresponding subframe by the data of carrying this SI, and wherein, corresponding subframe also refers to available sub-frame of uplink, comprises two layers of meaning: be often referred to fixedly identical sub-frame of uplink in sub-frame of uplink or new and old TDD uplink-downlink configuration.Terminal is the feedback SI of morning as far as possible, preferably, conventionally can on nearest available sub-frame of uplink, feed back SI.
Terminal correct receive carry newly assigned TDD uplink-downlink configuration system message (as, SIB1) before, follow old TDD uplink-downlink configuration, follow afterwards new TDD uplink-downlink configuration.
Scene three: terminal adopts correct the reception and time of reception of RRC signaling feedback TDD uplink-downlink configuration.
When terminal correctly receives after the most newly assigned TDD uplink-downlink configuration in base station, (for example, TDD uplink-downlink configuration is carried in SIB1), generates a RRC signaling S1, S1 comprises two contents, represents that respectively terminal correctly receives TDD uplink-downlink configuration and the correct time receiving; Wherein, the correct time receiving can refer to subframe numbering, also can refer to radio frames numbering, can also be both combinations; SI can be the RRC message increasing newly, or, also can reuse current existing RRC message newly-increased corresponding field parameter.
Terminal sends to base station in corresponding subframe by the data of carrying this SI, and wherein, corresponding subframe also refers to available sub-frame of uplink, comprises two layers of meaning: be often referred to fixedly identical sub-frame of uplink in sub-frame of uplink or new and old TDD uplink-downlink configuration.Terminal is the feedback SI of morning as far as possible, preferably, conventionally can on nearest available sub-frame of uplink, feed back SI.
Terminal correct receive carry newly assigned TDD uplink-downlink configuration system message (as, SIB1) before, follow old TDD uplink-downlink configuration, follow afterwards new TDD uplink-downlink configuration.
Scene four: terminal adopts TDD uplink-downlink configuration and the time of reception of the current use of RRC signaling feedback terminal
When terminal correctly receives after the most newly assigned TDD uplink-downlink configuration in base station, (for example, TDD uplink-downlink configuration is carried in SIB1), generates a RRC signaling S1, S1 comprises two contents, represents respectively TDD uplink-downlink configuration and the correct time receiving of the current use of terminal; Wherein, the correct time receiving can refer to subframe numbering, also can refer to radio frames numbering, can also be both combinations, and SI can be the RRC message increasing newly, or, also can reuse current existing RRC message newly-increased corresponding field parameter.
Terminal sends to base station in corresponding subframe by the data of carrying this SI, and wherein, corresponding subframe also refers to available sub-frame of uplink, comprises two layers of meaning: be often referred to fixedly identical sub-frame of uplink in sub-frame of uplink or new and old TDD uplink-downlink configuration.Terminal is the feedback SI of morning as far as possible, preferably, conventionally can on nearest available sub-frame of uplink, feed back SI.
Terminal correct receive carry newly assigned TDD uplink-downlink configuration system message (as, SIB1) before, follow old TDD uplink-downlink configuration, follow afterwards new TDD uplink-downlink configuration.
Scene five: correctly received by MAC signaling feedback TDD uplink-downlink configuration
When terminal is correct, receive after the most newly assigned TDD uplink-downlink configuration, (for example, TDD uplink-downlink configuration is carried in SIB1), generate a MAC signaling, this MAC signaling can only comprise 1 bit information, represents that terminal correctly receives TDD uplink-downlink configuration, and MAC signaling can be the MAC message increasing newly, or, also can reuse current existing MAC message newly-increased corresponding field parameter.
Terminal sends to base station in corresponding subframe by the data of carrying this MSC signaling, and wherein, corresponding subframe also refers to available sub-frame of uplink, comprises two layers of meaning: be often referred to fixedly identical sub-frame of uplink in sub-frame of uplink or new and old TDD uplink-downlink configuration.Terminal is the feedback MAC signaling of morning as far as possible, preferably, conventionally can on nearest available sub-frame of uplink, feed back MAC signaling.
Terminal correct receive carry newly assigned TDD uplink-downlink configuration system message (as, SIB1) before, follow old TDD uplink-downlink configuration, follow afterwards new TDD uplink-downlink configuration.
Scene six: terminal adopts the TDD uplink-downlink configuration of the current use of MAC signaling feedback terminal.
When terminal correctly receives after the most newly assigned TDD uplink-downlink configuration in base station, (for example, TDD uplink-downlink configuration is carried in SIB1), generate a MAC signaling, this MAC signaling can only comprise 3 bit informations, represents the TDD uplink-downlink configuration of the current use of terminal, and MAC signaling can be the MAC message increasing newly, or, also can reuse current existing MAC message newly-increased corresponding field parameter.
Terminal sends to base station in corresponding subframe by the data of carrying this MAC signaling, and wherein, corresponding subframe also refers to available sub-frame of uplink, comprises two layers of meaning: be often referred to fixedly identical sub-frame of uplink in sub-frame of uplink or new and old TDD uplink-downlink configuration.Terminal is the feedback MAC signaling of morning as far as possible, preferably, conventionally can on nearest available sub-frame of uplink, feed back MAC signaling.
Terminal correct receive carry newly assigned TDD uplink-downlink configuration system message (as, SIB1) before, follow old TDD uplink-downlink configuration, follow afterwards new TDD uplink-downlink configuration.
Scene seven: terminal adopts correct the reception and time of reception of MAC signaling feedback TDD uplink-downlink configuration
When terminal correctly receives after the most newly assigned TDD uplink-downlink configuration in base station, (for example, TDD uplink-downlink configuration is carried in SIB1), generates a MAC signaling, this MAC CE comprises two contents, represents that respectively terminal correctly receives TDD uplink-downlink configuration and the correct time receiving; Wherein, the correct time receiving can refer to subframe numbering, also can refer to radio frames numbering, can also be both combinations; MAC signaling can be the MAC message increasing newly, or, also can reuse current existing MAC message newly-increased corresponding field parameter
Terminal sends to base station in corresponding subframe by the data of carrying this MSC signaling, and wherein, corresponding subframe also refers to available sub-frame of uplink, comprises two layers of meaning: be often referred to fixedly identical sub-frame of uplink in sub-frame of uplink or new and old TDD uplink-downlink configuration.Terminal is the feedback MAC signaling of morning as far as possible, preferably, conventionally can on nearest available sub-frame of uplink, feed back MAC signaling.
Terminal correct receive carry newly assigned TDD uplink-downlink configuration system message (as, SIB1) before, follow old TDD uplink-downlink configuration, follow afterwards new TDD uplink-downlink configuration.
Scene eight: terminal adopts TDD uplink-downlink configuration and the time of reception of the current use of MAC signaling feedback terminal
When terminal correctly receives after the most newly assigned TDD uplink-downlink configuration in base station, (for example, TDD uplink-downlink configuration is carried in SIB1), generates a MAC signaling, this MAC signaling comprises two contents, represents respectively TDD uplink-downlink configuration and the correct time receiving of the current use of terminal; Wherein, the correct time receiving can refer to subframe numbering, also can refer to radio frames numbering, can also be both combinations; MAC signaling can be the MAC message increasing newly, or, also can also can reuse current existing MAC message newly-increased corresponding parameter
Terminal sends to base station in corresponding subframe by the data of carrying this MSC signaling, and wherein, corresponding subframe also refers to available sub-frame of uplink, comprises two layers of meaning: be often referred to fixedly identical sub-frame of uplink in sub-frame of uplink or new and old TDD uplink-downlink configuration.Terminal is the feedback MAC signaling of morning as far as possible, preferably, conventionally can on nearest available sub-frame of uplink, feed back MAC signaling.
Terminal correct receive carry newly assigned TDD uplink-downlink configuration system message (as, SIB1) before, follow old TDD uplink-downlink configuration, follow afterwards new TDD uplink-downlink configuration.
Scene nine: terminal adopts physical layer signaling by PUCCH() feedback TDD uplink-downlink configuration correctly receives, and the HARQ sequential relationship of transmission and feedback is arranged by agreement.
Only have and correctly receive after TDD uplink-downlink configuration when terminal, (for example, TDD uplink-downlink configuration is carried in SIB1), terminal just can adopt physical layer signaling feeding back ACK by PUCCH, wherein, terminal correctly receives TDD uplink-downlink configuration, can be that physical layer correctly receives, and can be also that rrc layer correctly receives; Once the former refers to that physical layer correctly receives and just directly feeds back, the latter refers to, after the correct reception of rrc layer, by rrc layer, trigger physical layer feedback.
The subframe (being designated as subframe k) at feedback subframe (being designated as subframe n) and the correct TDD uplink-downlink configuration place receiving meets definite HARQ sequential relationship, and this HARQ sequential relationship is arranged by agreement.
For example n=k+7, or n=k+17, or n=k+12.Wherein, n=k+7 does not consider that terminal carries out the process of RRC signaling parsing, therefore, and generally, when base station receives the physical layer signaling of carrying feedback information in the corresponding position of PUCCH, in the time of need to considering one section, delay and make again newly assigned TDD uplink-downlink configuration come into force.N=k+17 or n=k+12 have considered that terminal carries out RRC signaling and resolve the needed time, therefore, when base station receives after the physical layer signaling of carrying feedback signaling in the corresponding position of PUCCH, can think that terminal adopted newly assigned TDD uplink-downlink configuration.
The PUCCH resource of carrying above-mentioned physical layer signaling is configured to terminal by high-level signaling by base station, and before not configuring this PUCCH resource, terminal correctly receives without feedback TDD uplink-downlink configuration.
Normally, once the newly assigned TDD uplink-downlink configuration of the correct reception of terminal all no longer continues to detect TDD uplink-downlink configuration.Therefore, TDD uplink-downlink configuration in the change cycle terminal only need feed back once, only have after correctly receiving TDD uplink-downlink configuration for the first time and feed back, or, in TDD uplink-downlink configuration in the change cycle, terminal also can be from correctly receiving TDD uplink-downlink configuration for the first time, no matter whether detect TDD uplink-downlink configuration, data feedback ACK still, wherein, so-called number of times that for several times can Shi Yu base station agreement can be also until the next change cycle starts.
Scene ten: terminal is fed back TDD uplink-downlink configuration by PUCCH and correctly received, and the HARQ sequential relationship of transmission and feedback is configured by base station.
Only have and correctly receive after TDD uplink-downlink configuration when terminal, (for example, TDD uplink-downlink configuration is carried in SIB1), terminal just can adopt physical layer signaling feeding back ACK by PUCCH, wherein, terminal correctly receives TDD uplink-downlink configuration, can be that physical layer correctly receives, and can be also that rrc layer correctly receives; Once the former refers to that physical layer correctly receives and just directly feeds back, the latter refers to, after the correct reception of rrc layer, by rrc layer, trigger physical layer feedback.
Feedback subframe (being designated as subframe n) meets definite HARQ sequential relationship with the subframe (being designated as subframe k) at the correct TDD uplink-downlink configuration place receiving.This sequential relationship is configured by base station, n=k+l for example, l by base station by high-level signaling notification terminal.
The PUCCH resource of carrying above-mentioned physical layer signaling is configured to terminal by high-level signaling by base station, and before not configuring this PUCCH resource, terminal correctly receives without feedback TDD uplink-downlink configuration.
Normally, once the newly assigned TDD uplink-downlink configuration of the correct reception of terminal all no longer continues to detect TDD uplink-downlink configuration.Therefore, TDD uplink-downlink configuration in the change cycle terminal only need feed back once, only have after correctly receiving TDD uplink-downlink configuration for the first time and feed back, or, in TDD uplink-downlink configuration in the change cycle, terminal also can be from correctly receiving TDD uplink-downlink configuration for the first time, no matter whether detect TDD uplink-downlink configuration, data feedback ACK still, wherein, so-called number of times that for several times can Shi Yu base station agreement can be also until the next change cycle starts.
Scene 11: whether terminal is fed back TDD uplink-downlink configuration by PUCCH and correctly received, and the HARQ sequential relationship of transmission and feedback is arranged by agreement.
When terminal receives after TDD uplink-downlink configuration, (for example, TDD uplink-downlink configuration is carried in SIB1), terminal adopts physical layer signaling feeding back ACK or NACK by PUCCH, correctly receives feeding back ACK, the incorrect feedback NACK that receives, wherein, whether terminal correctly receives TDD uplink-downlink configuration, can be whether physical layer correctly receives, and can be also whether rrc layer correctly receives; The former refers to directly feed back according to physical layer accepting state, and the latter refers to according to rrc layer accepting state, by rrc layer, triggers physical layer feedback.
The subframe (being designated as subframe k) at feedback subframe (being designated as subframe n) and the correct TDD uplink-downlink configuration place receiving meets definite HARQ sequential relationship, and this HARQ sequential relationship is arranged by agreement.
For example n=k+7, or n=k+17, or n=k+12.Wherein, n=k+7 does not consider that terminal carries out the process of RRC signaling parsing, therefore, and generally, when base station receives the physical layer signaling of carrying feedback information in the corresponding position of PUCCH, in the time of need to considering one section, delay and make again newly assigned TDD uplink-downlink configuration come into force.N=k+17 or n=k+12 have considered that terminal carries out RRC signaling and resolve the needed time, therefore, when base station receives after the physical layer signaling of carrying feedback signaling in the corresponding position of PUCCH, can think that terminal adopted newly assigned TDD uplink-downlink configuration.
The PUCCH resource of carrying above-mentioned physical layer signaling is configured to terminal by high-level signaling by base station, and before not configuring this PUCCH resource, terminal correctly receives without feedback TDD uplink-downlink configuration.
Normally, once the newly assigned TDD uplink-downlink configuration of the correct reception of terminal all no longer continues to detect TDD uplink-downlink configuration.Therefore, TDD uplink-downlink configuration in the change cycle terminal only need feed back once, only have after correctly receiving TDD uplink-downlink configuration for the first time and feed back, or, in TDD uplink-downlink configuration in the change cycle, terminal also can be from correctly receiving TDD uplink-downlink configuration for the first time, no matter whether detect TDD uplink-downlink configuration, data feedback ACK still, wherein, so-called number of times that for several times can Shi Yu base station agreement can be also until the next change cycle starts.
Scene 12: whether terminal is fed back TDD uplink-downlink configuration by PUCCH and correctly received, and the HARQ sequential relationship of transmission and feedback is configured by base station.
When terminal receives after TDD uplink-downlink configuration, (for example, TDD uplink-downlink configuration is carried in SIB1), terminal adopts physical layer signaling feeding back ACK or NACK by PUCCH, correctly receives feeding back ACK, the incorrect feedback NACK that receives, wherein, whether terminal correctly receives TDD uplink-downlink configuration, can be whether physical layer correctly receives, and can be also whether rrc layer correctly receives; The former refers to directly feed back according to physical layer accepting state, and the latter refers to according to rrc layer accepting state, by rrc layer, triggers physical layer feedback.
Feedback subframe (being designated as subframe n) meets definite HARQ sequential relationship with the subframe (being designated as subframe k) at the correct TDD uplink-downlink configuration place receiving.This sequential relationship is configured by base station, n=k+l for example, l by base station by high-level signaling notification terminal.
The PUCCH resource of carrying above-mentioned physical layer signaling is configured to terminal by high-level signaling by base station, and before not configuring this PUCCH resource, terminal correctly receives without feedback TDD uplink-downlink configuration.
Normally, once the newly assigned TDD uplink-downlink configuration of the correct reception of terminal all no longer continues to detect TDD uplink-downlink configuration.Therefore, TDD uplink-downlink configuration in the change cycle terminal only need feed back once, only have after correctly receiving TDD uplink-downlink configuration for the first time and feed back, or, in TDD uplink-downlink configuration in the change cycle, terminal also can be from correctly receiving TDD uplink-downlink configuration for the first time, no matter whether detect TDD uplink-downlink configuration, data feedback ACK still, wherein, so-called number of times that for several times can Shi Yu base station agreement can be also until the next change cycle starts.
In sum, in the embodiment of the present invention, after base station is the up-to-date TDD uplink-downlink configuration of terminal distribution, terminal is to the reception condition of the newly assigned TDD uplink-downlink configuration of base station feedback, base station and terminal are all with reference to this reception condition, select suitable TDD uplink-downlink configuration in follow-up flow process, to control up-downgoing transmission, like this, just the situation that does not exist base station side and end side that TDD uplink-downlink configuration is understood differently and caused, avoided the generation of fuzzy phase, thereby make base station can control up-downgoing transmission according to consistent TDD uplink-downlink configuration with terminal, and then effectively guaranteed the service quality of system, promoted systematic function.
On the other hand, does not dispatch terminal end the time Nei，Ruo base station that completes the conversion of TDD uplink-downlink configuration in terminal, adopts the present invention program can shorten base station waits duration, thereby effectively avoided the waste of system resource, has improved resource utilization.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (28)
1. a transmission feedback method for TDD uplink-downlink configuration, is characterized in that, comprising:
Base station is defined as the newly assigned TDD uplink-downlink configuration of terminal, and by this newly assigned TDD uplink-downlink configuration notification terminal;
Base station, according to the reception condition of the described newly assigned TDD uplink-downlink configuration of terminal feedback, adopts corresponding TDD uplink-downlink configuration to control up-downgoing transmission.
2. the method for claim 1, is characterized in that, base station is by the reception condition of the described newly assigned TDD uplink-downlink configuration of physical layer signaling or high-level signaling receiving terminal feedback.
3. method as claimed in claim 2, is characterized in that, the reception condition of the described newly assigned TDD uplink-downlink configuration that feed back by physical layer signaling receiving terminal base station, comprising:
Base station is by being carried on the upper physical layer signaling sending of Physical Uplink Control Channel PUCCH, and the expression of receiving terminal feedback correctly receives the correct response ACK of newly assigned TDD uplink-downlink configuration, or,
Base station is by being carried on the upper physical layer signaling sending of PUCCH, and the expression of receiving terminal feedback is correct to be received the ACK of newly assigned TDD uplink-downlink configuration or represent the incorrect errored response NACK that receives newly assigned TDD uplink-downlink configuration.
4. method as claimed in claim 3, is characterized in that, the resource location that described physical layer signaling takies on described PUCCH passes through high-level signaling notification terminal by base station.
5. method as claimed in claim 3, it is characterized in that, mixing between newly assigned TDD uplink-downlink configuration and terminal feedback physical layer signaling is notified automatically in base station and repeat requests HARQ sequential relationship ，You base station and terminal are made an appointment, or ，You base station configures to terminal.
6. method as claimed in claim 2, is characterized in that, the reception condition of the described newly assigned TDD uplink-downlink configuration that feed back by high-level signaling receiving terminal base station, comprising:
Base station is by media access control MAC signaling or radio resource control RRC signaling, and the expression of receiving terminal feedback correctly receives the ACK of newly assigned TDD uplink-downlink configuration; Or,
Base station is by MAC signaling or RRC signaling, and the expression of receiving terminal feedback is correct to be received the ACK of newly assigned TDD uplink-downlink configuration or represent the incorrect NACK that receives newly assigned TDD uplink-downlink configuration; Or,
MAC signaling or RRC signaling are passed through in base station, the sign of the TDD uplink-downlink configuration of the current use of terminal of receiving terminal feedback.
7. method as claimed in claim 6, it is characterized in that, base station receives by described high-level signaling after the reception condition of described newly assigned TDD uplink-downlink configuration of terminal feedback, further obtains the temporal information that terminal receives described newly assigned TDD uplink-downlink configuration in described high-level signaling.
8. the method as described in claim 1-7 any one, is characterized in that, base station, according to the reception condition of the described newly assigned TDD uplink-downlink configuration of terminal feedback, adopts corresponding TDD uplink-downlink configuration to control up-downgoing transmission, comprising:
If base station determines that according to the feedback of terminal terminal correctly receives newly assigned TDD uplink-downlink configuration, adopt newly assigned TDD uplink-downlink configuration to control follow-up up-downgoing transmission;
If base station determines that according to the feedback of terminal terminal does not correctly receive newly assigned TDD uplink-downlink configuration, continue to adopt the TDD uplink-downlink configuration of current use to control follow-up up-downgoing transmission.
9. a transmission feedback method for TDD uplink-downlink configuration, is characterized in that, comprising:
Terminal receives the newly assigned TDD uplink-downlink configuration in base station, and to the reception condition of newly assigned TDD uplink-downlink configuration described in base station feedback;
Terminal, according to the reception condition of described newly assigned TDD uplink-downlink configuration, adopts corresponding TDD uplink-downlink configuration to control up-downgoing transmission.
10. method as claimed in claim 9, is characterized in that, terminal is the reception condition to newly assigned TDD uplink-downlink configuration described in base station feedback by physical layer signaling or high-level signaling.
11. methods as claimed in claim 10, is characterized in that, terminal is the reception condition to newly assigned TDD uplink-downlink configuration described in base station feedback by physical layer signaling, comprising:
By being carried on the upper physical layer signaling sending of Physical Uplink Control Channel PUCCH, to base station feedback, represent correctly to receive the correct response ACK of newly assigned TDD uplink-downlink configuration, or,
By being carried on the upper physical layer signaling sending of PUCCH, to base station feedback, represent correctly to receive the ACK of newly assigned TDD uplink-downlink configuration or represent the incorrect errored response NACK that receives newly assigned TDD uplink-downlink configuration.
12. methods as claimed in claim 11, is characterized in that, the resource location that described physical layer signaling takies on described PUCCH passes through high-level signaling notification terminal by base station.
13. methods as claimed in claim 11, it is characterized in that, mixing between newly assigned TDD uplink-downlink configuration and terminal feedback physical layer signaling is notified automatically in base station and repeat requests HARQ sequential relationship ，You base station and terminal are made an appointment, or ，You base station configures to terminal.
14. methods as claimed in claim 10, is characterized in that, terminal is the reception condition to newly assigned TDD uplink-downlink configuration described in base station feedback by high-level signaling, comprising:
Terminal, by media access control MAC signaling or radio resource control RRC signaling, represents correctly to receive the ACK of newly assigned TDD uplink-downlink configuration to base station feedback; Or,
Terminal, by MAC signaling or RRC signaling, represents correctly to receive the ACK of newly assigned TDD uplink-downlink configuration or represents the incorrect NACK that receives newly assigned TDD uplink-downlink configuration to base station feedback; Or,
Terminal is by MAC signaling or RRC signaling, to the sign of the TDD uplink-downlink configuration of the current use of base station feedback terminal.
15. methods as claimed in claim 9, it is characterized in that, when terminal is carried the reception condition of newly assigned TDD uplink-downlink configuration in described high-level signaling, in described high-level signaling, further carried terminal receives the temporal information of newly assigned TDD uplink-downlink configuration.
16. methods as described in claim 9-15 any one, is characterized in that, terminal, according to the reception condition of described newly assigned TDD uplink-downlink configuration, adopts corresponding TDD uplink-downlink configuration to control up-downgoing transmission, comprising:
If terminal correctly receives newly assigned TDD uplink-downlink configuration, adopt newly assigned TDD uplink-downlink configuration to control follow-up up-downgoing transmission;
If terminal does not correctly receive newly assigned TDD uplink-downlink configuration, continue to adopt the TDD uplink-downlink configuration of current use to control follow-up up-downgoing transmission.
The transmission feedback device of 17. 1 kinds of TDD uplink-downlink configuration, is characterized in that, comprising:
The first processing unit, for being defined as the newly assigned TDD uplink-downlink configuration of terminal, and by this newly assigned TDD uplink-downlink configuration notification terminal;
The second processing unit, for according to the reception condition of the described newly assigned TDD uplink-downlink configuration of terminal feedback, adopts corresponding TDD uplink-downlink configuration to control up-downgoing transmission.
18. devices as claimed in claim 17, is characterized in that, described the first processing unit is by the reception condition of the described newly assigned TDD uplink-downlink configuration of physical layer signaling or high-level signaling receiving terminal feedback.
19. devices as claimed in claim 18, is characterized in that, described the first processing unit specifically for:
By being carried on the upper physical layer signaling sending of Physical Uplink Control Channel PUCCH, the correct correct response ACK that receives newly assigned TDD uplink-downlink configuration of expression of receiving terminal feedback; Or,
By being carried on the upper physical layer signaling sending of PUCCH, the expression of receiving terminal feedback is correct to be received the ACK of newly assigned TDD uplink-downlink configuration or represents the incorrect errored response NACK that receives newly assigned TDD uplink-downlink configuration.
20. devices as claimed in claim 18, is characterized in that, described the first processing unit specifically for:
By media access control MAC signaling or radio resource control RRC signaling, the correct ACK that receives newly assigned TDD uplink-downlink configuration of the expression of receiving terminal feedback; Or,
By MAC signaling or RRC signaling, the expression of receiving terminal feedback is correct to be received the ACK of newly assigned TDD uplink-downlink configuration or represents the incorrect NACK that receives newly assigned TDD uplink-downlink configuration; Or,
By MAC signaling or RRC signaling, the sign of the TDD uplink-downlink configuration of the current use of terminal of receiving terminal feedback.
21. devices as claimed in claim 20, it is characterized in that, described the first processing unit receives by described high-level signaling after the reception condition of described newly assigned TDD uplink-downlink configuration of terminal feedback, further obtains the temporal information that terminal receives described newly assigned TDD uplink-downlink configuration in described high-level signaling.
22. devices as described in claim 17-21 any one, is characterized in that, described the second processing unit specifically for:
If determine that according to the feedback of terminal terminal correctly receives newly assigned TDD uplink-downlink configuration, adopt newly assigned TDD uplink-downlink configuration to control follow-up up-downgoing transmission;
If determine that according to the feedback of terminal terminal does not correctly receive newly assigned TDD uplink-downlink configuration, continue to adopt the TDD uplink-downlink configuration of current use to control follow-up up-downgoing transmission.
The transmission feedback device of 23. 1 kinds of TDD uplink-downlink configuration, is characterized in that, comprising:
Communication unit, for receiving the newly assigned TDD uplink-downlink configuration in base station, and to the reception condition of newly assigned TDD uplink-downlink configuration described in base station feedback;
Control unit, for according to the reception condition of described newly assigned TDD uplink-downlink configuration, adopts corresponding TDD uplink-downlink configuration to control up-downgoing transmission.
24. devices as claimed in claim 23, is characterized in that, described communication unit is the reception condition to newly assigned TDD uplink-downlink configuration described in base station feedback by physical layer signaling or high-level signaling.
25. devices as claimed in claim 24, is characterized in that, described communication unit specifically for:
By being carried on the upper physical layer signaling sending of Physical Uplink Control Channel PUCCH, to base station feedback, represent correctly to receive the correct response ACK of newly assigned TDD uplink-downlink configuration, or,
By being carried on the upper physical layer signaling sending of PUCCH, to base station feedback, represent correctly to receive the ACK of newly assigned TDD uplink-downlink configuration or represent the incorrect errored response NACK that receives newly assigned TDD uplink-downlink configuration.
26. devices as claimed in claim 24, is characterized in that, described communication unit specifically for:
By media access control MAC signaling or radio resource control RRC signaling, to base station feedback, represent correctly to receive the ACK of newly assigned TDD uplink-downlink configuration; Or,
By MAC signaling or RRC signaling, to base station feedback, represent correctly to receive the ACK of newly assigned TDD uplink-downlink configuration or represent the incorrect NACK that receives newly assigned TDD uplink-downlink configuration; Or,
By MAC signaling or RRC signaling, to the sign of the TDD uplink-downlink configuration of the current use of base station feedback terminal.
27. devices as claimed in claim 26, it is characterized in that, when described communication unit carries the reception condition of newly assigned TDD uplink-downlink configuration in described high-level signaling, in described high-level signaling, further carried terminal receives the temporal information of newly assigned TDD uplink-downlink configuration.
28. devices as described in claim 23-27 any one, is characterized in that, described control unit specifically for:
If correctly receive newly assigned TDD uplink-downlink configuration, adopt newly assigned TDD uplink-downlink configuration to control follow-up up-downgoing transmission;
If correct, do not receive newly assigned TDD uplink-downlink configuration, continue to adopt the TDD uplink-downlink configuration of current use to control follow-up up-downgoing transmission.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210226753.5A CN103516490A (en) | 2012-06-29 | 2012-06-29 | TDD uplink/downlink configuration transmission feedback method and device |
| PCT/CN2013/078372 WO2014000689A1 (en) | 2012-06-29 | 2013-06-28 | Transmission feedback method and device for tdd uplink and downlink configuration |
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| CN201210226753.5A CN103516490A (en) | 2012-06-29 | 2012-06-29 | TDD uplink/downlink configuration transmission feedback method and device |
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Application publication date: 20140115 |