CN110493878A - The method and apparatus of one of wireless communication low delay - Google Patents

The method and apparatus of one of wireless communication low delay Download PDF

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Publication number
CN110493878A
CN110493878A CN201910484933.5A CN201910484933A CN110493878A CN 110493878 A CN110493878 A CN 110493878A CN 201910484933 A CN201910484933 A CN 201910484933A CN 110493878 A CN110493878 A CN 110493878A
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signaling
time slot
ereg
lte
ofdm symbol
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CN110493878B (en
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蒋琦
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Shanghai Langbo Communication Technology Co Ltd
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Shanghai Langbo Communication Technology Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames

Abstract

The invention discloses the method and apparatus of one of wireless communication low delay.Base station sends the first signaling.Wherein, the first signaling is physical layer signaling, includes the scheduling information of the second data in the first signaling.The N is positive integer.Second data include N number of transmission block group, and N number of transmission block group is transmitted in N number of LTE time slot respectively, include G transmission block in a transmission block group, the G is positive integer.First signaling is transmitted in the first LTE time slot.First LTE time slot be LTE subframe the first time slot or the first LTE time slot be LTE subframe the second time slot.The present invention can M-EREG by design and its corresponding resource mapping method, keep the first signaling being made of M-EREG compatible with existing LTE system, and then guarantee the performance gain of low latency wireless communication.

Description

The method and apparatus of one of wireless communication low delay
The application is the divisional application of following original application:
-- the applying date of original application: on 09 20th, 2015
-- the application number of original application: 201510600280.4
-- the invention and created name of original application: the method and apparatus of one of wireless communication low delay
Technical field
The present invention relates to the transmission plans in wireless communication system, more particularly to based on long term evolution (LTE-Long Term Evolution) low latency transmission control channel method and apparatus.
Background technique
In 3GPP (3rd Generation Partner Project, third generation cooperative partner program) RAN (Radio Access Network, wireless access network) in #63 plenary session, reduces the delay of LTE network this project and be discussed.LTE network Delay include eating dishes without rice or wine to postpone, signal processing delay, the transmission delay etc. between node.With wireless access network and core net Upgrading, transmission delay are effectively reduced.With the application for the new semiconductor for having higher height reason speed, signal processing delay It is significantly reduced.
In LTE, TTI (Transmission Time Interval, Transmission Time Interval) either subframe or PRB (Physical Resource Block) corresponds to a ms (milli-second, millisecond) to (Pair) in time.One LTE subframe includes that two time slots (Time Slot)-are the first time slot and the second time slot respectively.PDCCH(Physical Downlink Control Channel, Physical Downlink Control Channel) occupy PRB pair preceding R OFDM (Orthogonal Frequency Division Multiplexing, orthogonal frequency division multiplexing) symbol, the R is less than 5 positive integer, the R It is configured by PCFICH (Physical Control Format Indicator Channel, Physical Control Format Indicator Channel). LTE Release-10 system introduces EPDCCH, and (Enhanced Physical Downlink Control Channel increases Strong Physical Downlink Control Channel), the last one OFDM symbol of PRB pair from the Q OFDM symbol to the PRB pair is occupied, The Q is codetermined by the R that high-level signaling and PCFICH are indicated.For FDD (Frequency Division Duplex, frequency division Duplex) LTE, HARQ (Hybrid Automatic Repeat reQuest, hybrid automatic repeat-request) the winding time is 8ms, A small amount of HARQ, which is retransmitted, will bring the network delay of tens of ms.Therefore reducing delay of eating dishes without rice or wine becomes having for reduction LTE network delay Effect means.It eats dishes without rice or wine to be delayed to reduce, an intuitive method is the short TTI of design (being less than 1ms) to substitute existing LTE Frame.
For shorter TTI, one needs the problem of studying is how for it to design corresponding control channel, with realize compared with The transmission of short TTI up-regulation degree evidence.Traditional PDCCH only exists in the first time slot of each subframe, and the data dispatched Two time slots of entire subframe are covered, and EPDCCH would generally cover two time slots of entire subframe.Therefore guarantee with it is existing , how will to realize its independent data transmission for the shorter independent control signaling of TTI design under conditions of system compatible It can be one of low latency transmission problem to be solved.
In view of the above-mentioned problems, the present invention provides solutions.It should be noted that in the absence of conflict, this Shen The feature in the embodiment and embodiment in UE (User Equipment, user equipment) please can be applied in base station, instead .Further, in the absence of conflict, the feature in embodiments herein and embodiment can arbitrarily mutual group It closes.
Summary of the invention
For the control signaling design scheme in short TTI, an intuitive method is when existing PDCCH is used for two The scheduling of gap.However inventors discovered through research that, above-mentioned intuitive method will lead to the missing of dispatching flexibility, and then lose The advantages of low delay of short TTI system.
Solution in the present invention has fully considered the above problem.
The invention discloses a kind of methods in base station for supporting low latency to wirelessly communicate, wherein includes the following steps:
Step A. sends the first signaling.
Wherein, the first signaling is physical layer signaling, includes the scheduling information of the second data in the first signaling.The N is just Integer.Second data include N number of transmission block group, and N number of transmission block group is transmitted in N number of LTE time slot respectively, an institute Stating in transmission block group includes G transmission block, and the G is positive integer.First signaling is transmitted in the first LTE time slot.When one LTE Gap be LTE subframe the first time slot or the first LTE time slot be LTE subframe the second time slot.
The essence of the above-mentioned first information is: by designing independent control signaling for LTE time slot, when realizing each LTE Independent scheduling may be implemented in gap, and then the independent data that send or receive are transmitted, to realize that short TTI system reduces the first of delay Inner feelings, and guarantee the flexibility of its scheduling.
As one embodiment, the N is 1.
As one embodiment, the N is 2, and N number of LTE time slot belongs to a LTE subframe.
As one embodiment, the first signaling is the DCI (Downlink for descending scheduling (Downlink Grant) Control Information, Downlink Control Information).As a sub- embodiment of above-described embodiment, the first signaling is DCI One of format { 1,1A, 1B, 1C, 1D, 2,2A, 2B, 2C, 2D }.
As one embodiment, the first signaling is the DCI for uplink scheduling (Uplink Grant).As above-mentioned implementation One sub- embodiment of example, the first signaling is one of DCI format { 0,4 }.
As one embodiment, the transmission block is MAC (Medium Access Control, media access control) PDU (Protocol Data Unit, protocol Data Unit).
As one embodiment, the G is 1.
As one embodiment, the G is 2, and the G transmission block is sent by different antenna ports respectively.
As one embodiment, the scheduling information includes PRB set, and N number of transmission block group is all gathered in the PRB Upper transmission.
As one embodiment, the scheduling information includes G modulating-coding index, the G modulating-coding index point It is not used to indicate modulation system used by the G transmission block in the transmission block group and code rate (i.e. described N number of biography Defeated piece of group shares identical G MCS).As a sub- embodiment of above-described embodiment, the modulating-coding index is in LTE MCS (Modulation and Coding Scheme, Modulation and Coding Scheme).
Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following steps:
Step A0. sends at least one of:
- the second signaling: the second signaling indicates occupied OFDM symbol number of first channel in the first LTE time slot.Its In, the first signaling is transmitted on the first channel, and the occupied OFDM symbol number is less than 4 positive integer.
Third signaling: third signaling indicates starting OFDM symbol of the data scheduled in the first signaling in the first LTE time slot Number.Wherein, the OFDM symbol before the starting OFDM symbol is the 5th OFDM symbol in LTE time slot.
Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following steps:
Step A1. sends the 4th signaling, and the first PRB pair set is distributed to EPDCCH by the 4th signaling.
Wherein, the first signaling is transmitted in the first PRB pair set, and the first PRB pair set includes L PRB pair, and the L is Positive integer.
Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following steps:
Step A2. sends the 5th signaling, and the first PRB pair set is distributed to M-EREG (Modified by the 5th signaling Enhanced Resource Element Group, improved enhancing resource unit group).
Wherein, the first signaling is transmitted in the first PRB pair set, and a M-EREG occupies a LTE time slot in the time domain. First PRB pair set includes L PRB pair, and the L is positive integer.
Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following steps:
Step A3. sends the 6th signaling, and the 2nd PRB set is distributed to M-EREG by the 6th signaling.
Wherein, the first signaling is transmitted in the 2nd PRB set, and a M-EREG occupies a LTE time slot in the time domain.The Two PRB set includes J PRB, and the J is positive integer.
Specifically, according to an aspect of the present invention, which is characterized in that the RE (Resource that the first signaling occupies Element, resource unit) it is made of K M-EREG.Wherein, the K is positive integer.One M-EREG is by two EREG (Enhanced Resource Element Group enhances resource unit group) respectively occupied part RE is formed, and one The M-EREG occupies a LTE time slot in the time domain.One improved EREG is made of 9 or 8 RE.
As one embodiment, by two M-EREG, respectively occupied part RE is formed an EREG.
The design of above-mentioned M-EREG, it is characterized in that it can coexist on PRB with existing EREG, thus in addition to by EREG It is substituted for M-EREG, remaining can be continued to use in existing search space, the design of PRB pair index and M-EREG serial number.And pass through spy Different mapping mode may be implemented when a certain PRB pair group is configured simultaneously the EPDCCH and the first signaling to legacy, by First signaling of M-EREG composition can coexist with EPDCCH, and collision probability to each other is smaller.Described here is special Mapping mode can be shown in detail in subsequent descriptions.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step B. sends or receives the second data in N number of LTE time slot according to the scheduling of the first signaling.
The invention discloses a kind of methods in UE for supporting low latency to wirelessly communicate, wherein includes the following steps:
Step A. receives the first signaling.
Wherein, the first signaling is physical layer signaling, includes the scheduling information of the second data in the first signaling.The N is just Integer.Second data include N number of transmission block group, and N number of transmission block group is transmitted in N number of LTE time slot respectively, an institute Stating in transmission block group includes G transmission block, and the G is positive integer.First signaling is transmitted in the first LTE time slot.When one LTE Gap be LTE subframe the first time slot or the first LTE time slot be LTE subframe the second time slot.
Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following steps:
Step A0. receives at least one of:
- the second signaling: the second signaling indicates occupied OFDM symbol number of first channel in the first LTE time slot.Its In, the first signaling is transmitted on the first channel, and the occupied OFDM symbol number is less than 4 positive integer.
Third signaling: third signaling indicates starting OFDM symbol of the data scheduled in the first signaling in the first LTE time slot Number.Wherein, the OFDM symbol before the starting OFDM symbol is the 5th OFDM symbol in LTE time slot.
Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following steps:
Step A1. receives the 4th signaling, and the first PRB pair set is distributed to EPDCCH by the 4th signaling.
Wherein, the first signaling is transmitted in the first PRB pair set, and the first PRB pair set includes L PRB pair, and the L is Positive integer.
Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following steps:
Step A2. receives the 5th signaling, and the first PRB pair set is distributed to M-EREG by the 5th signaling.
Wherein, the first signaling is transmitted in the first PRB pair set, and a M-EREG occupies a LTE time slot in the time domain. First PRB pair set includes L PRB pair, and the L is positive integer.
Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following steps:
Step A3. receives the 6th signaling, and the 2nd PRB set is distributed to M-EREG by the 6th signaling.
Wherein, the first signaling is transmitted in the 2nd PRB set, and a M-EREG occupies a LTE time slot in the time domain.The Two PRB set includes J PRB, and the J is positive integer.
Specifically, according to an aspect of the present invention, which is characterized in that the RE that the first signaling occupies is by K M-EREG group At.Wherein, the K is positive integer.By two EREG, respectively occupied part RE is formed one M-EREG, an institute It states M-EREG and occupies a LTE time slot in the time domain.One improved EREG is made of 9 or 8 RE.
As one embodiment, by two M-EREG, respectively occupied part RE is formed an EREG.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step B. receives or sends the second data in N number of LTE time slot according to the scheduling of the first signaling.
The invention discloses a kind of base station equipments for supporting low latency to wirelessly communicate comprising:
- the first module: for sending the first signaling.
Wherein, the first signaling is physical layer signaling, includes the scheduling information of the second data in the first signaling.The N is just Integer.Second data include N number of transmission block group, and N number of transmission block group is transmitted in N number of LTE time slot respectively, an institute Stating in transmission block group includes G transmission block, and the G is positive integer.First signaling is transmitted in the first LTE time slot.When one LTE Gap be LTE subframe the first time slot or the first LTE time slot be LTE subframe the second time slot.
In addition, the first module is also used at least one of:
Send the second signaling: the second signaling indicates occupied OFDM symbol number of first channel in the first LTE time slot. Wherein, the first signaling is transmitted on the first channel, and the occupied OFDM symbol number is less than 4 positive integer.
Send third signaling: third signaling indicates starting of the data in the first LTE time slot scheduled in the first signaling OFDM symbol.Wherein, the OFDM symbol before the starting OFDM symbol is the 5th OFDM symbol in LTE time slot.
The 4th signaling is sent, the first PRB pair set is distributed to EPDCCH by the 4th signaling.
The 5th signaling is sent, the first PRB pair set is distributed to improved EREG by the 5th signaling.Wherein, the first signaling exists It is transmitted in first PRB pair set, an improved EREG occupies a LTE time slot in the time domain.First PRB pair set includes L A PRB pair, the L are positive integers.
The 6th signaling is sent, the 2nd PRB set is distributed to improved EREG by the 6th signaling.Wherein, the first signaling is It is transmitted in two PRB set, an improved EREG occupies a LTE time slot in the time domain.2nd PRB set includes J PRB, The J is positive integer.
- the second module: according to the scheduling of the first signaling, the second data are sent or received in N number of LTE time slot.
Specifically, according to an aspect of the present invention, which is characterized in that the RE that the first signaling occupies is by K M-EREG group At.Wherein, the K is positive integer.By two EREG, respectively occupied part RE is formed one M-EREG, an institute It states M-EREG and occupies a LTE time slot in the time domain.One improved EREG is made of 9 or 8 RE.
As one embodiment, by two M-EREG, respectively occupied part RE is formed an EREG.
The invention discloses a kind of UE equipment for supporting low latency to wirelessly communicate comprising:
- the first module: for receiving the first signaling.
Wherein, the first signaling is physical layer signaling, includes the scheduling information of the second data in the first signaling.The N is just Integer.Second data include N number of transmission block group, and N number of transmission block group is transmitted in N number of LTE time slot respectively, an institute Stating in transmission block group includes G transmission block, and the G is positive integer.First signaling is transmitted in the first LTE time slot.When one LTE Gap be LTE subframe the first time slot or the first LTE time slot be LTE subframe the second time slot.
In addition, the first module is also used at least one of:
Receive the second signaling: the second signaling indicates occupied OFDM symbol number of first channel in the first LTE time slot. Wherein, the first signaling is transmitted on the first channel, and the occupied OFDM symbol number is less than 4 positive integer.
Receive third signaling: third signaling indicates starting of the data in the first LTE time slot scheduled in the first signaling OFDM symbol.Wherein, the OFDM symbol before the starting OFDM symbol is the 5th OFDM symbol in LTE time slot.
The 4th signaling is received, the first PRB pair set is distributed to EPDCCH by the 4th signaling.
The 5th signaling is received, the first PRB pair set is distributed to improved EREG by the 5th signaling.Wherein, the first signaling exists It is transmitted in first PRB pair set, an improved EREG occupies a LTE time slot in the time domain.First PRB pair set includes L A PRB pair, the L are positive integers.
The 6th signaling is received, the 2nd PRB set is distributed to improved EREG by the 6th signaling.Wherein, the first signaling is It is transmitted in two PRB set, an improved EREG occupies a LTE time slot in the time domain.2nd PRB set includes J PRB, The J is positive integer.
- the second module: according to the scheduling of the first signaling, the second data are received or sent in N number of LTE time slot.
Specifically, according to an aspect of the present invention, which is characterized in that the RE that the first signaling occupies is by K M-EREG group At.Wherein, the K is positive integer.By two EREG, respectively occupied part RE is formed one M-EREG, an institute It states M-EREG and occupies a LTE time slot in the time domain.One M-EREG is made of 9 or 8 RE.
As one embodiment, by two M-EREG, respectively occupied part RE is formed an EREG.
Compared to existing public technology, the present invention has following technical advantage:
- is the short independent control signaling of TTI Scenario Design, to guarantee the implementation dynamic dispatching based on each short TTI
The PDCCH and EPDCCH of control signaling and existing system described in-can be compatible
The EPDCCH of control signaling and existing system described in-shares identical PRB resource, improves system spectrum utilization rate
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other Feature, objects and advantages will become more apparent:
Fig. 1 shows the downlink transfer flow chart of an embodiment based on the 4th signaling according to the present invention;
Fig. 2 shows the downlink transfer flow charts of an embodiment based on the 5th signaling according to the present invention;
Fig. 3 shows the downlink transfer flow chart of an embodiment based on the 6th signaling according to the present invention;
Fig. 4 shows the uplink flow chart of an embodiment based on the 4th signaling according to the present invention;
Fig. 5 shows the uplink flow chart of an embodiment based on the 5th signaling according to the present invention;
Fig. 6 shows the uplink flow chart of an embodiment based on the 6th signaling according to the present invention;
Fig. 7 shows the present invention under normal CP (cyclic Prefix, cyclic prefix), forms occupied by the first signaling One embodiment of the M-EREG resource impact of RE, i.e. M-EREG are mapped to the schematic diagram of the first pattern in a PRB pair;
Fig. 8 shows the present invention in the case where extending CP, forms one of the M-EREG resource impact of RE occupied by the first signaling Embodiment, i.e. M-EREG are mapped to the schematic diagram of the second pattern in a PRB pair;
Fig. 9 shows the present invention at normal CP, forms one of the M-EREG resource impact of RE occupied by the first signaling Embodiment, i.e. M-EREG are mapped to the schematic diagram of the third pattern in a PRB pair;
Figure 10 shows the present invention in the case where extending CP, forms one of the M-EREG resource impact of RE occupied by the first signaling Embodiment, i.e. M-EREG are mapped to the schematic diagram of the 4th pattern in a PRB pair;
Figure 11 shows the structural block diagram of the processing unit in base station according to an embodiment of the invention;
Figure 12 shows the structural block diagram of the processing unit in UE according to an embodiment of the invention;
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with attached drawing, it should be noted that do not rushing In the case where prominent, the feature in embodiments herein and embodiment can be arbitrarily combined with each other.
Embodiment 1
Embodiment 1 illustrates the downlink transfer flow chart based on the 4th signaling, as shown in Fig. 1.In attached drawing 1, base station N1 The step of being the maintenance base station of the serving cell of UE U2, identifying in box F1 is optional step.
For base station N1, the first signaling is sent in step s 11.
Wherein, the first signaling is physical layer signaling, includes the scheduling information of the second data in the first signaling.The N is just Integer.Second data include N number of transmission block group, and N number of transmission block group is transmitted in N number of LTE time slot respectively, an institute Stating in transmission block group includes G transmission block, and the G is positive integer.First signaling is transmitted in the first LTE time slot.When one LTE Gap be LTE subframe the first time slot or the first LTE time slot be LTE subframe the second time slot.
As the sub- embodiment of embodiment 1, the first signaling is DCI format { 1,1A, 1B, 1C, 1D, 2,2A, 2B, 2C, 2D } One of;Or newly-designed DCI format, dispatch the transmission of the second data.
For UE U2, the first signaling is received in the step s 21.
For base station N1, at least one of is sent in step s 12:
- the second signaling: the second signaling indicates occupied OFDM symbol number of first channel in the first LTE time slot.Its In, the first signaling is transmitted on the first channel, and the occupied OFDM symbol number is less than 4 positive integer.
Third signaling: third signaling indicates starting OFDM symbol of the data scheduled in the first signaling in the first LTE time slot Number.Wherein, the OFDM symbol before the starting OFDM symbol is the 5th OFDM symbol in LTE time slot.
As the sub- embodiment of embodiment 1, second signaling is the PCFICH of LTE subframe belonging to the first LTE time slot Signaling, the first LTE time slot be LTE subframe the first time slot or the first LTE time slot be LTE subframe the second time slot.Also, The target receiver of first signaling is the first UE, and the target receiver of the second signaling is the 2nd UE and the first UE.Wherein the 2nd UE It is tradition (Legacy) UE, and the first UE is not.
As the sub- embodiment of embodiment 1, second signaling is LTE subframe belonging to the first LTE time slot at second Improved PCFICH (M-PCFICH) signaling in gap, the M-PCFICH signaling continue to use the coding and modulation methods of existing PCFICH Formula, only its resource occupied is first OFDM symbol of the LTE subframe on the second time slot belonging to the first LTE time slot, and Only indicate the occupied OFDM symbol number of the first channel on the second time slot.And the first channel on the first time slot is occupied OFDM symbol number is indicated by existing PCFICH.
As the sub- embodiment of embodiment 1, the third signaling is high-level signaling, and is existing IE (Information Element)pdsch-Start-r10.The pdsch-Start-r10 indicates data scheduled in the first signaling in the first LTE Starting OFDM symbol in time slot, it is consistent in the starting OFDM symbol of LTE subframe with the data of existing EPDCCH scheduling, and be The OFDM symbol before the 5th OFDM symbol in the LTE time slot of pdsch-Start-r10 instruction.Also, the mesh of the first signaling Marking recipient is the first UE, and the target receiver of third signaling is the 2nd UE and the first UE.Wherein the 2nd UE is tradition (Legacy) UE, and the first UE is not.
As the sub- embodiment of embodiment 1, the third signaling is high-level signaling, and is newly-designed IE (Information Element, information unit) pdsch-Start-short-tti-r13.The pdsch-Start- Short-tti-r13 indicates starting OFDM symbol of the data in the first LTE time slot scheduled in the first signaling.Wherein, described First LTE time slot be LTE subframe the first time slot or the first LTE time slot be LTE subframe the second time slot.
For UE U2, at least one of is received in step S22:
- the second signaling: the second signaling indicates occupied OFDM symbol number of first channel in the first LTE time slot.Its In, the first signaling is transmitted on the first channel, and the occupied OFDM symbol number is less than 4 positive integer.
Third signaling: third signaling indicates starting OFDM symbol of the data scheduled in the first signaling in the first LTE time slot Number.Wherein, the OFDM symbol before the starting OFDM symbol is the 5th OFDM symbol in LTE time slot.
For base station N1, the 4th signaling is sent in step s 13, and the 4th signaling distributes to the first PRB pair set EPDCCH。
Wherein, the first signaling is transmitted in the first PRB pair set, and the first PRB pair set includes L PRB pair, and the L is Positive integer.
As the sub- embodiment of embodiment 1, the 4th signaling is that traditional EPDCCH configures IE EPDCCH-SetConfig- r11.First PRB pair set of the EPDCCH-SetConfig-r11 configuration is shared by the first signaling and traditional EPDCCH, All configuration informations for transmitting the first PRB pair set of the first signaling, all configurations with the PRB pair set of transmission EPDCCH Information is the same.Also, the target receiver of the first signaling is the first UE, and the target receiver of the 4th signaling is the 2nd UE and first UE.Wherein the 2nd UE is tradition (Legacy) UE, and the first UE is not.And L is in tradition EPDCCH-SetConfig-r11 The positive integer of the instruction of numberPRB-Pairs-r11 is one of { 2,4,8 }.
For UE U2, the 4th signaling is received in step S23.
For base station N1, in step S14, according to the scheduling of the first signaling, second is sent in N number of LTE time slot Data.
For UE U2, in step s 24, according to the scheduling of the first signaling, the second number is received in N number of LTE time slot According to.
Embodiment 2
Embodiment 2 illustrates the downlink transfer flow chart based on the 5th signaling, as shown in Fig. 2.In attached drawing 2, base station N3 The step of being the maintenance base station of the serving cell of UE U4, identifying in box F2 is optional step.
For base station N3, the first signaling is sent in step S31.
For UE U4, the first signaling is received in step S41.
For base station N3, at least one of is sent in step s 32:
- the second signaling: the second signaling indicates occupied OFDM symbol number of first channel in the first LTE time slot.Its In, the first signaling is transmitted on the first channel, and the occupied OFDM symbol number is less than 4 positive integer.
Third signaling: third signaling indicates starting OFDM symbol of the data scheduled in the first signaling in the first LTE time slot Number.Wherein, the OFDM symbol before the starting OFDM symbol is the 5th OFDM symbol in LTE time slot.
For UE U4, at least one of is received in step S42.
- the second signaling: the second signaling indicates occupied OFDM symbol number of first channel in the first LTE time slot.Its In, the first signaling is transmitted on the first channel, and the occupied OFDM symbol number is less than 4 positive integer.
Third signaling: third signaling indicates starting OFDM symbol of the data scheduled in the first signaling in the first LTE time slot Number.Wherein, the OFDM symbol before the starting OFDM symbol is the 5th OFDM symbol in LTE time slot.
For base station N3, the 5th signaling is sent in step S33, the first PRB pair set is distributed to M- by the 5th signaling EREG。
Wherein, the first signaling is transmitted in the first PRB pair set, and a M-EREG occupies a LTE time slot in the time domain. First PRB pair set includes L PRB pair, and the L is positive integer.And L is one of { 2,4,8,16 }.
As the sub- embodiment of embodiment 2, the 5th signaling is newly-designed IE EPDCCH-SetConfig-Short- tti-r13.First PRB pair set of the EPDCCH-SetConfig-Short-tti-r13 instruction distributes to M-EREG, and First PRB pair set PRB pair set corresponding with system transmission EPDCCH is independent.Specifically, EPDCCH-SetConfig- Short-tti-r13 is expressed as follows:
For UE U4, the 5th signaling is received in step S43.
For base station N3, in step S34, according to the scheduling of the first signaling, second is sent in N number of LTE time slot Data.
For UE U4, in step S44, according to the scheduling of the first signaling, the second number is received in N number of LTE time slot According to.
Embodiment 3
Embodiment 3 illustrates the downlink transfer flow chart based on the 6th signaling, as shown in Fig. 3.In attached drawing 3, base station N5 The step of being the maintenance base station of the serving cell of UE U6, identifying in box F3 is optional step.
For base station N5, the first signaling is sent in step s 51.
For UE U6, the first signaling is received in step S61.
For base station N5, at least one of is sent in step S52:
- the second signaling: the second signaling indicates occupied OFDM symbol number of first channel in the first LTE time slot.Its In, the first signaling is transmitted on the first channel, and the occupied OFDM symbol number is less than 4 positive integer.
Third signaling: third signaling indicates starting OFDM symbol of the data scheduled in the first signaling in the first LTE time slot Number.Wherein, the OFDM symbol before the starting OFDM symbol is the 5th OFDM symbol in LTE time slot.
For UE U6, at least one of is received in step S62:
- the second signaling: the second signaling indicates occupied OFDM symbol number of first channel in the first LTE time slot.Its In, the first signaling is transmitted on the first channel, and the occupied OFDM symbol number is less than 4 positive integer.
Third signaling: third signaling indicates starting OFDM symbol of the data scheduled in the first signaling in the first LTE time slot Number.Wherein, the OFDM symbol before the starting OFDM symbol is the 5th OFDM symbol in LTE time slot.
For base station N5, the 6th signaling is sent in step S53, the 2nd PRB set is distributed to M-EREG by the 6th signaling.
Wherein, the first signaling is transmitted in the 2nd PRB set, and a M-EREG occupies a LTE time slot in the time domain.The Two PRB set includes J PRB, and the J is positive integer.And J is one of { 2,4,8,16 }.
As the sub- embodiment of embodiment 3, the 6th signaling is newly-designed IE EPDCCH-PRB-Short-tti-r13. The 2nd PRB set of the EPDCCH-PRB-Short-tti-r13 instruction distributes to M-EREG, and the 2nd PRB collection coincidence In the second time slot of LTE subframe.Specifically, EPDCCH-PRB-Short-tti-r13 is expressed as follows:
For UE U6, the 6th signaling is received in step S63.
For base station N5, in step S54, according to the scheduling of the first signaling, second is sent in N number of LTE time slot Data.
For UE U6, in step S64, according to the scheduling of the first signaling, the second number is received in N number of LTE time slot According to.
Embodiment 4
Embodiment 4 illustrates the uplink flow chart based on the 4th signaling, as shown in Fig. 4.In attached drawing 4, base station N7 The step of being the maintenance base station of the serving cell of UE U8, identifying in box F4 is optional step.
For base station N7, the first signaling is sent in step S71.
For UE U8, the first signaling is received in step S81.
For base station N7, at least one of is sent in step S72:
- the second signaling: the second signaling indicates occupied OFDM symbol number of first channel in the first LTE time slot.Its In, the first signaling is transmitted on the first channel, and the occupied OFDM symbol number is less than 4 positive integer.
Third signaling: third signaling indicates starting OFDM symbol of the data scheduled in the first signaling in the first LTE time slot Number.Wherein, the OFDM symbol before the starting OFDM symbol is the 5th OFDM symbol in LTE time slot.
For UE U8, at least one of is received in step S82:
- the second signaling: the second signaling indicates occupied OFDM symbol number of first channel in the first LTE time slot.Its In, the first signaling is transmitted on the first channel, and the occupied OFDM symbol number is less than 4 positive integer.
Third signaling: third signaling indicates starting OFDM symbol of the data scheduled in the first signaling in the first LTE time slot Number.Wherein, the OFDM symbol before the starting OFDM symbol is the 5th OFDM symbol in LTE time slot.
For base station N7, the 4th signaling is sent in step S73, the 4th signaling distributes to the first PRB pair set EPDCCH。
For UE U8, the 4th signaling is received in step S83.
For UE U8, in step S84, according to the scheduling of the first signaling, the second number is sent in N number of LTE time slot According to.
For base station N7, in step S74, according to the scheduling of the first signaling, second is received in N number of LTE time slot Data.
Embodiment 5
Embodiment 5 illustrates the uplink flow chart based on the 5th signaling, as shown in Fig. 5.In attached drawing 2, base station N9 The step of being the maintenance base station of the serving cell of UE U10, identifying in box F5 is optional step.
For base station N9, the first signaling is sent in step S91.
For UE U10, the first signaling is received in step s101.
For base station N9, at least one of is sent in step S92:
- the second signaling: the second signaling indicates occupied OFDM symbol number of first channel in the first LTE time slot.Its In, the first signaling is transmitted on the first channel, and the occupied OFDM symbol number is less than 4 positive integer.
Third signaling: third signaling indicates starting OFDM symbol of the data scheduled in the first signaling in the first LTE time slot Number.Wherein, the OFDM symbol before the starting OFDM symbol is the 5th OFDM symbol in LTE time slot.
For UE U10, at least one of is received in step s 102:
- the second signaling: the second signaling indicates occupied OFDM symbol number of first channel in the first LTE time slot.Its In, the first signaling is transmitted on the first channel, and the occupied OFDM symbol number is less than 4 positive integer.
Third signaling: third signaling indicates starting OFDM symbol of the data scheduled in the first signaling in the first LTE time slot Number.Wherein, the OFDM symbol before the starting OFDM symbol is the 5th OFDM symbol in LTE time slot.
For base station N9, the 5th signaling is sent in step S93, the first PRB pair set is distributed to M- by the 5th signaling EREG。
For UE U10, the 5th signaling is received in step s 103.
For UE U10, in step S104, according to the scheduling of the first signaling, second is sent in N number of LTE time slot Data.
For base station N9, in step S104, according to the scheduling of the first signaling, second is received in N number of LTE time slot Data.
Embodiment 6
Embodiment 6 illustrates the uplink flow chart based on the 6th signaling, as shown in Fig. 6.In attached drawing 6, base station N11 The step of being the maintenance base station of the serving cell of UE U12, identifying in box F3 is optional step.
For base station N11, the first signaling is sent in step S111.
For UE U12, the first signaling is received in step S121.
For base station N11, at least one of is sent in step S112:
- the second signaling: the second signaling indicates occupied OFDM symbol number of first channel in the first LTE time slot.Its In, the first signaling is transmitted on the first channel, and the occupied OFDM symbol number is less than 4 positive integer.
Third signaling: third signaling indicates starting OFDM symbol of the data scheduled in the first signaling in the first LTE time slot Number.Wherein, the OFDM symbol before the starting OFDM symbol is the 5th OFDM symbol in LTE time slot.
For UE U12, at least one of is received in step S122:
- the second signaling: the second signaling indicates occupied OFDM symbol number of first channel in the first LTE time slot.Its In, the first signaling is transmitted on the first channel, and the occupied OFDM symbol number is less than 4 positive integer.
Third signaling: third signaling indicates starting OFDM symbol of the data scheduled in the first signaling in the first LTE time slot Number.Wherein, the OFDM symbol before the starting OFDM symbol is the 5th OFDM symbol in LTE time slot.
For base station N11, the 6th signaling is sent in step S113, the 2nd PRB set is distributed to M- by the 6th signaling EREG。
For UE U12, the 6th signaling is received in step S123.
For UE U12, in step S124, according to the scheduling of the first signaling, second is sent in N number of LTE time slot Data.
For base station N11, in step S114, according to the scheduling of the first signaling, is received in N number of LTE time slot Two data.
Embodiment 7
Embodiment 7 shows the present invention at normal CP, forms the M-EREG resource impact of RE occupied by the first signaling One embodiment, i.e. M-EREG are mapped to the schematic diagram of the first pattern in a PRB pair.As shown in fig. 7, the number mark in figure The serial number of number corresponding M-EREG, such as " 0 " indicates that the RE of its position belongs to M-EREG 0, and " 1 " indicates the RE of its position Belong to M-EREG 1, and so on, " X " indicates that the RE of its position belongs to M-EREG X (positive integer that X is 2 to 7).And belong to M-EREG 0, all RE composition M- for being identified as " 1 " are formed in all RE (totally 9 RE) for being identified as " 0 " of the first time slot EREG 1, and so on, all RE composition M-EREG X (positive integer that X is 2 to 7) for being identified as " X ".And in the first time slot and On second time slot, M-EREG independently maps, i.e. M- composed by all RE (totally 9 RE) for being identified as " 0 " of the first time slot EREG 0, independently of one another with M-EREG 0 composed by all RE (totally 9 RE) for being identified as " 0 " of the second time slot, and it is independent The first signaling is formed, the second data are dispatched, and so on, the M-EREG X on M-EREG X and the second time slot on the first time slot Also independently of one another (positive integer that X is 2 to 7).In conjunction with the description as described in EREG mapping in TS 36.211-6.2.4A, can see It arrives, M-EREG and EREG meet following mapping relations in one time slot:
The RE that EREG 0 and EREG 8 occupy in one time slot forms M-EREG 0;
The RE that EREG 1 and EREG 9 occupy in one time slot forms M-EREG 1;
The RE that EREG 2 and EREG 10 occupy in one time slot forms M-EREG 2;
The RE that EREG 3 and EREG 11 occupy in one time slot forms M-EREG 3;
The RE that EREG 4 and EREG 12 occupy in one time slot forms M-EREG 4;
The RE that EREG 5 and EREG 13 occupy in one time slot forms M-EREG 5;
The RE that EREG 6 and EREG 14 occupy in one time slot forms M-EREG 6;
The RE that EREG 7 and EREG 15 occupy in one time slot forms M-EREG 7;
Based on such mapping mode, a PRB will include 8 M-EREG at normal CP.
As a sub- embodiment of the embodiment, a traditional ECCE (Enhanced control channel Element, the control channel unit of enhancing) it will include 4 M-EREG, then ECCE is to described in corresponding PRB index and composition The M-EREG serial number of ECCE, in addition to by parameter in TS 36.211-6.8A-1It is fixed as 2,It replaces with And 4 are fixed as, remaining is all made of traditional search space (Search Space) mode.HereI.e. be equal to the 4th signaling or The L of the 5th signaling instruction or J of the 6th signaling instruction.
Embodiment 8
Embodiment 8 shows the present invention in the case where extending CP, forms the M-EREG resource impact of RE occupied by the first signaling One embodiment, i.e. M-EREG are mapped to the schematic diagram of the first pattern in a PRB pair.As shown in figure 8, the number mark in figure The serial number of number corresponding M-EREG, such as " 0 " indicates that the RE of its position belongs to M-EREG 0, and " 1 " indicates the RE of its position Belong to M-EREG 1, and so on, " X " indicates that the RE of its position belongs to M-EREG X (positive integer that X is 2 to 7).And belong to M-EREG 0, all RE composition M- for being identified as " 1 " are formed in all RE (totally 8 RE) for being identified as " 0 " of the first time slot EREG 1, and so on, all RE composition M-EREG X (positive integer that X is 2 to 7) for being identified as " X ".And in the first time slot and On second time slot, M-EREG independently maps, i.e. M- composed by all RE (totally 8 RE) for being identified as " 0 " of the first time slot EREG 0, independently of one another with M-EREG 0 composed by all RE (totally 8 RE) for being identified as " 0 " of the second time slot, and it is independent The first signaling is formed, the second data are dispatched, and so on, the M-EREG X on M-EREG X and the second time slot on the first time slot Also independently of one another (positive integer that X is 2 to 7).In conjunction with the description as described in EREG mapping in TS 36.211-6.2.4A, can see It arrives, M-EREG and EREG meet following mapping relations in one time slot:
The RE that EREG 0 and EREG 8 occupy in one time slot forms M-EREG 0;
The RE that EREG 1 and EREG 9 occupy in one time slot forms M-EREG 1;
The RE that EREG 2 and EREG 10 occupy in one time slot forms M-EREG 2;
The RE that EREG 3 and EREG 11 occupy in one time slot forms M-EREG 3;
The RE that EREG 4 and EREG 12 occupy in one time slot forms M-EREG 4;
The RE that EREG 5 and EREG 13 occupy in one time slot forms M-EREG 5;
The RE that EREG 6 and EREG 14 occupy in one time slot forms M-EREG 6;
The RE that EREG 7 and EREG 15 occupy in one time slot forms M-EREG 7;
Based on such mapping mode, a PRB will include 8 M-EREG in the case where extending CP.
As a sub- embodiment of the embodiment, a traditional ECCE (Enhanced control channel Element, the control channel unit of enhancing) it will include 4 M-EREG, then ECCE is to described in corresponding PRB index and composition The M-EREG serial number of ECCE, in addition to by parameter in TS 36.211-6.8A-1It is fixed as 2,It replaces with And 4 are fixed as, remaining is all made of traditional search space (Search Space) mode.HereI.e. be equal to the 4th signaling or The L of the 5th signaling instruction or J of the 6th signaling instruction.
Embodiment 9
Embodiment 9 shows the present invention at normal CP, forms the M-EREG resource impact of RE occupied by the first signaling One embodiment, i.e. M-EREG are mapped to the schematic diagram of the first pattern in a PRB pair.As shown in figure 9, the number mark in figure The serial number of number corresponding M-EREG, such as " 0 " indicates that the RE of its position belongs to M-EREG 0, and " 1 " indicates the RE of its position Belong to M-EREG 1, and so on, " X " indicates that the RE of its position belongs to M-EREG X (positive integer that X is 2 to 7).And belong to M-EREG 0, all RE composition M- for being identified as " 1 " are formed in all RE (totally 9 RE) for being identified as " 0 " of the first time slot EREG 1, and so on, all RE composition M-EREG X (positive integer that X is 2 to 7) for being identified as " X ".And in the first time slot and On second time slot, M-EREG independently maps, i.e. M- composed by all RE (totally 9 RE) for being identified as " 0 " of the first time slot EREG 0, independently of one another with M-EREG 0 composed by all RE (totally 9 RE) for being identified as " 0 " of the second time slot, and it is independent The first signaling is formed, the second data are dispatched, and so on, the M-EREG X on M-EREG X and the second time slot on the first time slot Also independently of one another (positive integer that X is 2 to 7).In conjunction with the description as described in EREG mapping in TS 36.211-6.2.4A, can see It arrives, M-EREG and EREG meet following mapping relations in one time slot:
The RE that EREG 0 and EREG 12 occupy in one time slot forms M-EREG 0;
The RE that EREG 1 and EREG 13 occupy in one time slot forms M-EREG 1;
The RE that EREG 2 and EREG 14 occupy in one time slot forms M-EREG 2;
The RE that EREG 3 and EREG 15 occupy in one time slot forms M-EREG 3;
The RE that EREG 4 and EREG 8 occupy in one time slot forms M-EREG 4;
The RE that EREG 5 and EREG 9 occupy in one time slot forms M-EREG 5;
The RE that EREG 6 and EREG 10 occupy in one time slot forms M-EREG 6;
The RE that EREG 7 and EREG 11 occupy in one time slot forms M-EREG 7;
Based on such mapping mode, a PRB will include 8 M-EREG at normal CP.
As a sub- embodiment of the embodiment, a traditional ECCE (Enhanced control channel Element, the control channel unit of enhancing) it will include 4 M-EREG, then ECCE is to described in corresponding PRB index and composition The M-EREG serial number of ECCE, in addition to by parameter in TS 36.211-6.8A-1It is fixed as 2,It replaces with And 4 are fixed as, remaining is all made of traditional search space (Search Space) mode.HereI.e. be equal to the 4th signaling or The L of the 5th signaling instruction or J of the 6th signaling instruction.
Embodiment 10
Embodiment 10 shows the present invention in the case where extending CP, forms the M-EREG resource impact of RE occupied by the first signaling One embodiment, i.e. M-EREG are mapped to the schematic diagram of the first pattern in a PRB pair.As shown in Figure 10, the number in figure Label corresponds to the serial number of M-EREG, and such as " 0 " indicates that the RE of its position belongs to M-EREG 0, and " 1 " indicates its position RE belongs to M-EREG 1, and so on, " X " indicates that the RE of its position belongs to M-EREG X (positive integer that X is 2 to 7).And Belong to all RE (totally 8 RE) composition M-EREG 0, all RE composition M- for being identified as " 1 " for being identified as " 0 " of the first time slot EREG 1, and so on, all RE composition M-EREG X (positive integer that X is 2 to 7) for being identified as " X ".And in the first time slot and On second time slot, M-EREG independently maps, i.e. M- composed by all RE (totally 8 RE) for being identified as " 0 " of the first time slot EREG 0, independently of one another with M-EREG 0 composed by all RE (totally 8 RE) for being identified as " 0 " of the second time slot, and it is independent The first signaling is formed, the second data are dispatched, and so on, the M-EREG X on M-EREG X and the second time slot on the first time slot Also independently of one another (positive integer that X is 2 to 7).In conjunction with the description as described in EREG mapping in TS 36.211-6.2.4A, can see It arrives, M-EREG and EREG meet following mapping relations in one time slot:
The RE that EREG 0 and EREG 12 occupy in one time slot forms M-EREG 0;
The RE that EREG 1 and EREG 13 occupy in one time slot forms M-EREG 1;
The RE that EREG 2 and EREG 14 occupy in one time slot forms M-EREG 2;
The RE that EREG 3 and EREG 15 occupy in one time slot forms M-EREG 3;
The RE that EREG 4 and EREG 8 occupy in one time slot forms M-EREG 4;
The RE that EREG 5 and EREG 9 occupy in one time slot forms M-EREG 5;
The RE that EREG 6 and EREG 10 occupy in one time slot forms M-EREG 6;
The RE that EREG 7 and EREG 11 occupy in one time slot forms M-EREG 7;
Based on such mapping mode, a PRB will include 8 M-EREG in the case where extending CP.
As a sub- embodiment of the embodiment, a traditional ECCE (Enhanced control channel Element, the control channel unit of enhancing) it will include 4 M-EREG, then ECCE is to described in corresponding PRB index and composition The M-EREG serial number of ECCE, in addition to by parameter in TS 36.211-6.8A-1It is fixed as 2,It replaces with And 4 are fixed as, remaining is all made of traditional search space (Search Space) mode.HereI.e. be equal to the 4th signaling or The L of the 5th signaling instruction or J of the 6th signaling instruction.
Embodiment 11
Embodiment 11 shows the structural block diagram of the processing unit in base station according to an embodiment of the invention;It is such as attached Shown in Figure 11.In attached drawing 11, base station processing unit 200 is mainly by the first module 201 and the second module 202.
First module 201: the first signaling is sent.
Wherein, the first signaling is physical layer signaling, includes the scheduling information of the second data in the first signaling.The N is just Integer.Second data include N number of transmission block group, and N number of transmission block group is transmitted in N number of LTE time slot respectively, an institute Stating in transmission block group includes G transmission block, and the G is positive integer.First signaling is transmitted in the first LTE time slot.When one LTE Gap be LTE subframe the first time slot or the first LTE time slot be LTE subframe the second time slot.
In addition, the first module is also used at least one of:
Send the second signaling: the second signaling indicates occupied OFDM symbol number of first channel in the first LTE time slot. Wherein, the first signaling is transmitted on the first channel, and the occupied OFDM symbol number is less than 4 positive integer.
Send third signaling: third signaling indicates starting of the data in the first LTE time slot scheduled in the first signaling OFDM symbol.Wherein, the OFDM symbol before the starting OFDM symbol is the 5th OFDM symbol in LTE time slot.
The 4th signaling is sent, the first PRB pair set is distributed to EPDCCH by the 4th signaling.
The 5th signaling is sent, the first PRB pair set is distributed to improved EREG by the 5th signaling.Wherein, the first signaling exists It is transmitted in first PRB pair set, an improved EREG occupies a LTE time slot in the time domain.First PRB pair set includes L A PRB pair, the L are positive integers.
The 6th signaling is sent, the 2nd PRB set is distributed to improved EREG by the 6th signaling.Wherein, the first signaling is It is transmitted in two PRB set, an improved EREG occupies a LTE time slot in the time domain.2nd PRB set includes J PRB, The J is positive integer.
Second module 202: according to the scheduling of the first signaling, the second number is sent or received in N number of LTE time slot According to.
Embodiment 12
Embodiment 12 shows the structural block diagram of the processing unit in UE according to an embodiment of the invention;Such as attached drawing Shown in 12.In attached drawing 12, UE processing unit 300 is mainly by the first module 301, the second module 302, third module 303, the 4th mould Block 304, the 5th module 305 and the 6th module 306 composition.
First module 301: the first signaling is received.
Wherein, the first signaling is physical layer signaling, includes the scheduling information of the second data in the first signaling.The N be 1 or Person 2.Second data include N number of transmission block group, and N number of transmission block group is transmitted in N number of LTE time slot respectively, an institute Stating in transmission block group includes G transmission block, and the G is positive integer.First signaling is transmitted in the first LTE time slot.When one LTE Gap be LTE subframe the first time slot or the first LTE time slot be LTE subframe the second time slot.
In addition, the first module is also used at least one of:
Receive the second signaling: the second signaling indicates occupied OFDM symbol number of first channel in the first LTE time slot. Wherein, the first signaling is transmitted on the first channel, and the occupied OFDM symbol number is less than 4 positive integer.
Receive third signaling: third signaling indicates starting of the data in the first LTE time slot scheduled in the first signaling OFDM symbol.Wherein, the OFDM symbol before the starting OFDM symbol is the 5th OFDM symbol in LTE time slot.
The 4th signaling is received, the first PRB pair set is distributed to EPDCCH by the 4th signaling.
The 5th signaling is received, the first PRB pair set is distributed to improved EREG by the 5th signaling.Wherein, the first signaling exists It is transmitted in first PRB pair set, an improved EREG occupies a LTE time slot in the time domain.First PRB pair set includes L A PRB pair, the L are positive integers.
The 6th signaling is received, the 2nd PRB set is distributed to improved EREG by the 6th signaling.Wherein, the first signaling is It is transmitted in two PRB set, an improved EREG occupies a LTE time slot in the time domain.2nd PRB set includes J PRB, The J is positive integer.
Second module 302: according to the scheduling of the first signaling, the second number is received or sent in N number of LTE time slot According to.
Those of ordinary skill in the art will appreciate that all or part of the steps in the above method can be referred to by program Related hardware is enabled to complete, described program can store in computer readable storage medium, such as read-only memory, hard disk or light Disk etc..Optionally, one or more integrated circuit can be used also to realize in all or part of the steps of above-described embodiment.Phase It answers, each modular unit in above-described embodiment, can be realized using example, in hardware, it can also be by the form of software function module It realizes, the application is not limited to the combination of the software and hardware of any particular form.UE in the present invention includes but is not limited to mobile phone, Tablet computer, notebook, card of surfing Internet, the wireless telecom equipments such as vehicular communication equipment.Base station in the present invention includes but is not limited to Macrocell base stations, microcell base station, Home eNodeB, the wireless telecom equipments such as relay base station.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.It is all Within the spirit and principles in the present invention, any modification made, equivalent replacement, improve etc., it should be included in protection of the invention Within the scope of.

Claims (9)

1. a kind of method in base station for supporting low latency to wirelessly communicate, wherein include the following steps:
Step A. sends the first signaling;
Wherein, the first signaling is physical layer signaling, includes the scheduling information of the second data in the first signaling;Second data include 1 A transmission block group, 1 transmission block group are transmitted in the first LTE time slot, include G transmission in a transmission block group Block, the G are positive integers;First signaling is transmitted in the first LTE time slot;First LTE time slot is the first time slot of LTE subframe, Or the first LTE time slot be LTE subframe the second time slot;The step A further includes following steps:
Step A0. sends at least one of:
- the second signaling: the second signaling indicates occupied OFDM symbol number of first channel in the first LTE time slot;Wherein, One signaling is transmitted on the first channel, and the occupied OFDM symbol number is less than 4 positive integer.
Third signaling: third signaling indicates starting OFDM symbol of the data in the first LTE time slot scheduled in the first signaling; Wherein, the OFDM symbol before the starting OFDM symbol is the 5th OFDM symbol in LTE time slot.
2. a kind of method in UE for supporting low latency to wirelessly communicate, wherein include the following steps:
Step A. receives the first signaling;
Wherein, the first signaling is physical layer signaling, includes the scheduling information of the second data in the first signaling;Second data include 1 A transmission block group, 1 transmission block group are transmitted in the first LTE time slot, include G transmission in a transmission block group Block, the G are positive integers;First signaling is transmitted in the first LTE time slot;First LTE time slot is the first time slot of LTE subframe, Or the first LTE time slot be LTE subframe the second time slot;The step A further includes following steps:
Step A0. receives at least one of:
- the second signaling: the second signaling indicates occupied OFDM symbol number of first channel in the first LTE time slot;Wherein, One signaling is transmitted on the first channel, and the occupied OFDM symbol number is less than 4 positive integer.
Third signaling: third signaling indicates starting OFDM symbol of the data in the first LTE time slot scheduled in the first signaling; Wherein, the OFDM symbol before the starting OFDM symbol is the 5th OFDM symbol in LTE time slot.
3. a kind of base station equipment for supporting low latency to wirelessly communicate comprising:
- the first module: for sending the first signaling;
Wherein, the first signaling is physical layer signaling, includes the scheduling information of the second data in the first signaling;Second data include 1 A transmission block group, 1 transmission block group are transmitted in the first LTE time slot, include G transmission in a transmission block group Block, the G are positive integers;First signaling is transmitted in the first LTE time slot;First LTE time slot is the first time slot of LTE subframe, Or the first LTE time slot be LTE subframe the second time slot;First module sends at least one of:
- the second signaling: the second signaling indicates occupied OFDM symbol number of first channel in the first LTE time slot;Wherein, One signaling is transmitted on the first channel, and the occupied OFDM symbol number is less than 4 positive integer;
Third signaling: third signaling indicates starting OFDM symbol of the data in the first LTE time slot scheduled in the first signaling; Wherein, the OFDM symbol before the starting OFDM symbol is the 5th OFDM symbol in LTE time slot.
4. a kind of user equipment for supporting low latency to wirelessly communicate comprising:
- the first module: for receiving the first signaling;
Wherein, the first signaling is physical layer signaling, includes the scheduling information of the second data in the first signaling.Second data include 1 A transmission block group, 1 transmission block group are transmitted in the first LTE time slot, include G transmission in a transmission block group Block, the G are positive integers;First signaling is transmitted in the first LTE time slot.First LTE time slot is the first time slot of LTE subframe, Or the first LTE time slot be LTE subframe the second time slot;First module receives at least one of:
- the second signaling: the second signaling indicates occupied OFDM symbol number of first channel in the first LTE time slot;Wherein, One signaling is transmitted on the first channel, and the occupied OFDM symbol number is less than 4 positive integer;
Third signaling: third signaling indicates starting OFDM symbol of the data in the first LTE time slot scheduled in the first signaling; Wherein, the OFDM symbol before the starting OFDM symbol is the 5th OFDM symbol in LTE time slot.
5. the user equipment according to claim 4 for supporting low latency wireless communication, which is characterized in that the first module also connects The 4th signaling is received, the first PRB pair set is distributed to EPDCCH by the 4th signaling;
Wherein, the first signaling is transmitted in the first PRB pair set, and the first PRB pair set includes L PRB pair, and the L is just whole Number.
6. the user equipment according to claim 4 or 5 for supporting low latency wireless communication, which is characterized in that the first module The 5th signaling is also received, the first PRB pair set is distributed to improved EREG by the 5th signaling;Wherein, the first signaling is in the first PRB To transmitting in set, an improved EREG occupies a LTE time slot in the time domain;First PRB pair set includes L PRB pair, The L is positive integer.
7. the user equipment according to claim 4 or 5 for supporting low latency wireless communication, which is characterized in that the first module The 6th signaling is also received, the 2nd PRB set is distributed to improved EREG by the 6th signaling;Wherein, the first signaling is in the 2nd PRB collection Transmission is closed, an improved EREG occupies a LTE time slot in the time domain.2nd PRB set includes J PRB, and the J is Positive integer.
8. the user equipment of the wireless communication of the support low latency according to any claim in claim 4 to 7, feature It is, the RE that the first signaling occupies is made of K improved EREG;Wherein, the K is positive integer;One described improved By two EREG, respectively occupied part RE is formed EREG, and an improved EREG occupies a LTE in the time domain Time slot.One improved EREG is made of 9 or 8 RE.
9. the user equipment of the wireless communication of the support low latency according to any claim in claim 4 to 7, feature It is, the second module receives or send the second data in N number of LTE time slot according to the scheduling of the first signaling.
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