CN106549739A - A kind of method and apparatus of the low delay in radio communication - Google Patents
A kind of method and apparatus of the low delay in radio communication Download PDFInfo
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- CN106549739A CN106549739A CN201510600280.4A CN201510600280A CN106549739A CN 106549739 A CN106549739 A CN 106549739A CN 201510600280 A CN201510600280 A CN 201510600280A CN 106549739 A CN106549739 A CN 106549739A
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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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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Abstract
The invention discloses a kind of method and apparatus of the low delay in radio communication.Base station sends the first signaling.Wherein, the first signaling is physical layer signaling, and the first signaling includes the schedule information of the second data.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 slots respectively, and a transmission block group includes G transmission block, and the G is positive integer.First signaling is transmitted in a LTE time slots.First LTE time slots are the first time slots of LTE subframes, or a LTE time slots are the second time slots of LTE subframes.The present invention can pass through the M-EREG and its corresponding resource mapping method of design, make the first signaling being made up of M-EREG compatible with existing LTE system, and then the performance gain of guarantee low latency radio communication.
Description
Technical field
The present invention relates to the transmission plan in wireless communication system, more particularly to based on Long Term Evolution
The control channel method and apparatus of the low latency transmission of (LTE-Long Term Evolution).
Background technology
In 3GPP (3rd Generation Partner Project, third generation cooperative partner program)
In RAN (Radio Access Network, wireless access network) #63 plenary session, LTE is reduced
The delay of network this problem comes into question.The delay of LTE network includes eating dishes without rice or wine to postpone, signal transacting
Time delay, the transmission delay between node etc..With the upgrading of wireless access network and core net, transmit
Time delay is can be effectively reduced.With the application of the new semiconductor for possessing higher height reason speed, signal
Process time delay to be significantly reduced.
In LTE, TTI (Transmission Time Interval, Transmission Time Interval) or
Subframe or PRB (Physical Resource Block) correspond to one in time to (Pair)
Individual ms (milli-second, millisecond).One LTE subframe includes two time slots (Time Slot)
- it is the first time slot and the second time slot respectively.PDCCH(Physical Downlink Control
Channel, Physical Downlink Control Channel) take the front R OFDM (Orthogonal of PRB couple
Frequency Division Multiplexing, OFDM) symbol, the R is
Positive integer less than 5, the R is by PCFICH (Physical Control Format Indicator
Channel, Physical Control Format Indicator Channel) configuration.LTE Release-10 systems are introduced
EPDCCH (Enhanced Physical Downlink Control Channel, enhanced physics
Down control channel), which takes PRB to from the Q OFDM symbol to last of PRB pair
Individual OFDM symbol, the Q are together decided on by the R that high-level signaling and PCFICH are indicated.For FDD
(Frequency Division Duplex, FDD) LTE, HARQ (Hybrid Automatic
Repeat reQuest, hybrid automatic repeat-request) the winding time is 8ms, a small amount of HARQ
Re-transmission will bring the network delay of tens of ms.Therefore the time delay that reduces eating dishes without rice or wine becomes reduction LTE network
The effective means of time delay.In order to reduce time delay of eating dishes without rice or wine, one intuitively method be that the short TTI of design is (little
In 1ms) substituting existing LTE subframes.
For shorter TTI, a problem for needing research is how to design corresponding control letter for which
Road, to realize the transmission of degrees of data is raised in shorter TTI.Traditional PDCCH is only at each
First time slot of subframe is present, and two time slots of the whole subframe of data cover dispatched, and
EPDCCH would generally cover two time slots of whole subframe.Therefore ensureing compatible with existing system
Under the conditions of, how to be shorter TTI designs independent control signaling, to realize its independent data
Transmission, it will be that low latency transmission needs one of problem of solution.
For the problems referred to above, the invention provides solution.It should be noted that not conflicting
In the case of, the embodiment and enforcement in the UE (User Equipment, user equipment) of the application
Feature in example is may apply in base station, and vice versa.Further, in the case where not conflicting,
Feature in embodiments herein and embodiment arbitrarily can be mutually combined.
The content of the invention
For the control signaling design in short TTI, one intuitively method be will be existing
PDCCH is used for the scheduling of two time slots.But inventor is had found by studying, above-mentioned intuitively side
Method can cause the disappearance of dispatching flexibility, and then lose the advantage of the low delay of short TTI systems.
Solution in the present invention has taken into full account the problems referred to above.
The invention discloses a kind of method in base station for supporting low latency radio communication, wherein, including
Following steps：
- step A. sends the first signaling.
Wherein, the first signaling is physical layer signaling, and the first signaling includes the scheduling letter of the second data
Breath.The N is positive integer.Second data include N number of transmission block group, N number of transmission block group
Transmit in N number of LTE time slots respectively, a transmission block group includes G transmission block,
The G is positive integer.First signaling is transmitted in a LTE time slots.First LTE time slots are LTE
First time slot of subframe, or a LTE time slots are the second time slots of LTE subframes.
The essence of the above-mentioned first information is：By designing independent control signaling for LTE time slots, with
Realize that each LTE time slot can realize independent scheduling, and then independent transmission or receiving data are passed
It is defeated, realize that short TTI systems reduce the original intention of time delay, and the flexibility for ensureing its scheduling.
Used as one embodiment, the N is 1.
Used as one embodiment, the N is 2, and N number of LTE time slots belong to LTE
Frame.
Used as one embodiment, the first signaling is for descending scheduling (Downlink Grant)
DCI (Downlink Control Information, Downlink Control Information).As above-mentioned enforcement
Example a sub- embodiment, the first signaling be DCI format 1,1A, 1B, 1C, 1D, 2,2A,
2B, 2C, 2D } in one kind.
Used as one embodiment, the first signaling is the DCI for uplink scheduling (Uplink Grant).
Used as a sub- embodiment of above-described embodiment, the first signaling is the one kind in DCI format { 0,4 }.
Used as one embodiment, the transmission block is MAC (Medium Access Control, matchmaker
Body Access Control) PDU (Protocol Data Unit, protocol Data Unit).
Used as one embodiment, the G is 1.
Used as one embodiment, the G is 2, and the G transmission block is respectively by different antennas
Port sends.
Used as one embodiment, the schedule information includes that PRB gathers, N number of transmission block group
Transmit all in the PRB set.
Used as one embodiment, the schedule information includes G modulating-coding index, and the G is individual
Modulating-coding index is respectively used to indicate what the G transmission block in the transmission block group was adopted
Modulation system and code rate (the shared identical G MCS of i.e. described N number of transmission block group).As
One sub- embodiment of above-described embodiment, the modulating-coding index are the MCS in LTE
(Modulation and Coding Scheme, Modulation and Coding Scheme).
Specifically, according to an aspect of the present invention, it is characterised in that step A also includes
Following steps：
- step A0. sends at least one of：
- the second signaling：Second signaling indicates the first channel shared by a LTE time slots
OFDM symbol number.Wherein, the first signaling is transmitted on the first channel, the shared OFDM
Symbolic number is less than 4 positive integer.
- the three signaling：Data scheduled in 3rd signaling the first signaling of instruction are in a LTE time slots
In initial OFDM symbol.Wherein, the initial OFDM symbol is the 5th in LTE time slots
OFDM symbol before OFDM symbol.
Specifically, according to an aspect of the present invention, it is characterised in that step A also includes
Following steps：
- step A1. sends the 4th signaling, and a PRB is distributed to by the 4th signaling to set
EPDCCH。
Wherein, in a PRB to transmitting in set, a PRB includes L to set to the first signaling
Individual PRB pair, the L is positive integer.
Specifically, according to an aspect of the present invention, it is characterised in that step A also includes
Following steps：
- step A2. sends the 5th signaling, and a PRB is distributed to by the 5th signaling to set
M-EREG (Modified Enhanced Resource Element Group, improved enhancing money
Set of source).
Wherein, in a PRB to transmitting in set, a M-EREG is in time domain for the first signaling
Take a LTE time slot.First PRB includes L PRB pair to set, and the L is positive integer.
Specifically, according to an aspect of the present invention, it is characterised in that step A also 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 is accounted in time domain
With a LTE time slot.2nd PRB set includes that J PRB, the J are positive integers.
Specifically, according to an aspect of the present invention, it is characterised in that what the first signaling took
RE (Resource Element, Resource Unit) is made up of K M-EREG.Wherein, the K
For positive integer.One M-EREG is by two EREG (Enhanced Resource Element
Group, strengthens resource unit group) each shared part RE constituted, a M-EREG
A LTE time slot is taken in time domain.One improved EREG is by 9 or 8 RE groups
Into.
Used as one embodiment, an EREG is by two M-EREG each shared part RE
Composition.
The design of above-mentioned M-EREG, its feature are which can be coexisted on PRB with existing EREG,
So as to except EREG is substituted for M-EREG, remaining can be continued to use in existing search space, PRB
Design to index and M-EREG sequence numbers.And by special mapping mode, it is possible to achieve when certain
When one PRB is configured simultaneously EPDCCH and the first signaling to legacy to group, by M-EREG
First signaling of composition can be coexisted with EPDCCH, and collision probability to each other is less.Here
Described special mapping mode can be shown in detail in subsequent descriptions.
Specifically, according to an aspect of the present invention, it is characterised in that also comprise the steps：
Scheduling of-step the B. according to the first signaling, in N number of LTE time slots send or
Receive the second data.
The invention discloses a kind of method in UE for supporting low latency radio communication, wherein, including such as
Lower step：
- step A. receives the first signaling.
Wherein, the first signaling is physical layer signaling, and the first signaling includes the scheduling letter of the second data
Breath.The N is positive integer.Second data include N number of transmission block group, N number of transmission block group
Transmit in N number of LTE time slots respectively, a transmission block group includes G transmission block,
The G is positive integer.First signaling is transmitted in a LTE time slots.First LTE time slots are LTE
First time slot of subframe, or a LTE time slots are the second time slots of LTE subframes.
Specifically, according to an aspect of the present invention, it is characterised in that step A also includes
Following steps：
- step A0. receives at least one of：
- the second signaling：Second signaling indicates the first channel shared by a LTE time slots
OFDM symbol number.Wherein, the first signaling is transmitted on the first channel, the shared OFDM
Symbolic number is less than 4 positive integer.
- the three signaling：Data scheduled in 3rd signaling the first signaling of instruction are in a LTE time slots
In initial OFDM symbol.Wherein, the initial OFDM symbol is the 5th in LTE time slots
OFDM symbol before OFDM symbol.
Specifically, according to an aspect of the present invention, it is characterised in that step A also includes
Following steps：
- step A1. receives the 4th signaling, and a PRB is distributed to by the 4th signaling to set
EPDCCH。
Wherein, in a PRB to transmitting in set, a PRB includes L to set to the first signaling
Individual PRB pair, the L is positive integer.
Specifically, according to an aspect of the present invention, it is characterised in that step A also includes
Following steps：
- step A2. receives the 5th signaling, and a PRB is distributed to by the 5th signaling to set
M-EREG。
Wherein, in a PRB to transmitting in set, a M-EREG is in time domain for the first signaling
Take a LTE time slot.First PRB includes L PRB pair to set, and the L is positive integer.
Specifically, according to an aspect of the present invention, it is characterised in that step A also 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 is accounted in time domain
With a LTE time slot.2nd PRB set includes that J PRB, the J are positive integers.
Specifically, according to an aspect of the present invention, it is characterised in that the RE that the first signaling takes
It is made up of K M-EREG.Wherein, the K is positive integer.One M-EREG is by two
EREG each shared part RE is constituted, and a M-EREG takes one in time domain
LTE time slots.One improved EREG is made up of 9 or 8 RE.
Used as one embodiment, an EREG is by two M-EREG each shared part RE
Composition.
Specifically, according to an aspect of the present invention, it is characterised in that also comprise the steps：
Scheduling of-step the B. according to the first signaling, in N number of LTE time slots receive or
Send the second data.
The invention discloses a kind of base station equipment for supporting low latency radio communication, which includes：
- the first module：For sending the first signaling.
Wherein, the first signaling is physical layer signaling, and the first signaling includes the scheduling letter of the second data
Breath.The N is positive integer.Second data include N number of transmission block group, N number of transmission block group
Transmit in N number of LTE time slots respectively, a transmission block group includes G transmission block,
The G is positive integer.First signaling is transmitted in a LTE time slots.First LTE time slots are LTE
First time slot of subframe, or a LTE time slots are the second time slots of LTE subframes.
Additionally, the first module is additionally operable at least one of：
Send the second signaling：Second signaling indicates the first channel shared by a LTE time slots
OFDM symbol number.Wherein, the first signaling is transmitted on the first channel, the shared OFDM
Symbolic number is less than 4 positive integer.
Send the 3rd signaling：Data scheduled in 3rd signaling the first signaling of instruction are in a LTE
Initial OFDM symbol in gap.Wherein, the initial OFDM symbol is the 5 in LTE time slots
OFDM symbol before individual OFDM symbol.
The 4th signaling is sent, a PRB is distributed to EPDCCH to set by the 4th signaling.
The 5th signaling is sent, a PRB is distributed to improved EREG to set by the 5th signaling.Its
In, in a PRB to transmitting in set, an improved EREG is accounted in time domain the first signaling
With a LTE time slot.First PRB includes L PRB pair to set, and the L is positive integer.
The 6th signaling is sent, the 2nd PRB set is distributed to improved EREG by the 6th signaling.Wherein,
First signaling is transmitted in the 2nd PRB set, and an improved EREG takes one in time domain
LTE time slots.2nd PRB set includes that J PRB, the J are positive integers.
- the second module：According to the scheduling of the first signaling, in N number of LTE time slots send or
Person receives the second data.
Specifically, according to an aspect of the present invention, it is characterised in that the RE that the first signaling takes
It is made up of K M-EREG.Wherein, the K is positive integer.One M-EREG is by two
EREG each shared part RE is constituted, and a M-EREG takes one in time domain
LTE time slots.One improved EREG is made up of 9 or 8 RE.
Used as one embodiment, an EREG is by two M-EREG each shared part RE
Composition.
The invention discloses a kind of UE equipment for supporting low latency radio communication, which includes：
- the first module：For receiving the first signaling.
Wherein, the first signaling is physical layer signaling, and the first signaling includes the scheduling letter of the second data
Breath.The N is positive integer.Second data include N number of transmission block group, N number of transmission block group
Transmit in N number of LTE time slots respectively, a transmission block group includes G transmission block,
The G is positive integer.First signaling is transmitted in a LTE time slots.First LTE time slots are LTE
First time slot of subframe, or a LTE time slots are the second time slots of LTE subframes.
- additionally, the first module is additionally operable at least one of：
Receive the second signaling：Second signaling indicates the first channel shared by a LTE time slots
OFDM symbol number.Wherein, the first signaling is transmitted on the first channel, the shared OFDM
Symbolic number is less than 4 positive integer.
Receive the 3rd signaling：Data scheduled in 3rd signaling the first signaling of instruction are in a LTE
Initial OFDM symbol in gap.Wherein, the initial OFDM symbol is the 5 in LTE time slots
OFDM symbol before individual OFDM symbol.
The 4th signaling is received, a PRB is distributed to EPDCCH to set by the 4th signaling.
The 5th signaling is received, a PRB is distributed to improved EREG to set by the 5th signaling.Its
In, in a PRB to transmitting in set, an improved EREG is accounted in time domain the first signaling
With a LTE time slot.First PRB includes L PRB pair to set, and the L is positive integer.
The 6th signaling is received, the 2nd PRB set is distributed to improved EREG by the 6th signaling.Wherein,
First signaling is transmitted in the 2nd PRB set, and an improved EREG takes one in time domain
LTE time slots.2nd PRB set includes that J PRB, the J are positive integers.
- the second module：According to the scheduling of the first signaling, in N number of LTE time slots receive or
Person sends the second data.
Specifically, according to an aspect of the present invention, it is characterised in that the RE that the first signaling takes
It is made up of K M-EREG.Wherein, the K is positive integer.One M-EREG is by two
EREG each shared part RE is constituted, and a M-EREG takes one in time domain
LTE time slots.One M-EREG is made up of 9 or 8 RE.
Used as one embodiment, an EREG is by two M-EREG each shared part RE
Composition.
Existing public technology is compared, the present invention has following technical advantage：
-. for the control signaling of short TTI Scenario Designs independence, to ensure based on each short TTI's
Implement dynamic dispatching
-. the PDCCH and EPDCCH of the control signaling and existing system can be with compatible
-. the control signaling and the shared identical PRB resources of the EPDCCH of existing system, improve
System spectrum utilization rate
Description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, this
The other features, objects and advantages of invention will become more apparent：
Fig. 1 shows the downlink transfer flow process of an embodiment based on the 4th signaling of the invention
Figure；
Fig. 2 shows the downlink transfer flow process of an embodiment based on the 5th signaling of the invention
Figure；
Fig. 3 shows the downlink transfer flow process of an embodiment based on the 6th signaling of the invention
Figure；
Fig. 4 shows the uplink flow process of an embodiment based on the 4th signaling of the invention
Figure；
Fig. 5 shows the uplink flow process of an embodiment based on the 5th signaling of the invention
Figure；
Fig. 6 shows the uplink flow process of an embodiment based on the 6th signaling of the invention
Figure；
Fig. 7 shows the present invention under normal CP (cyclic Prefix, Cyclic Prefix), composition the
One embodiment of the M-EREG esource impacts of RE shared by one signaling, i.e. M-EREG are mapped to one
The schematic diagram of the first pattern of PRB centerings；
Fig. 8 shows that the present invention, under extension CP, constitutes the M-EREG of RE shared by the first signaling
One embodiment of esource impact, i.e. M-EREG are mapped to the signal of the second pattern of a PRB centering
Figure；
Fig. 9 shows that the present invention, under normal CP, constitutes the M-EREG of RE shared by the first signaling
One embodiment of esource impact, i.e. M-EREG are mapped to the signal of the 3rd pattern of a PRB centering
Figure；
Figure 10 shows that the present invention, under extension CP, constitutes the M-EREG of RE shared by the first signaling
One embodiment of esource impact, i.e. M-EREG are mapped to the signal of the 4th pattern of a PRB centering
Figure；
Figure 11 shows the structural frames of the processing meanss in base station according to an embodiment of the invention
Figure；
Figure 12 shows the structured flowchart of the processing meanss in UE according to an embodiment of the invention；
Specific embodiment
Technical scheme is described in further detail below in conjunction with accompanying drawing, needs explanation
It is that, in the case where not conflicting, the feature in embodiments herein and embodiment can be arbitrarily mutual
Combination.
Embodiment 1
Embodiment 1 illustrates the downlink transfer flow chart based on the 4th signaling, as shown in Figure 1.It is attached
In Fig. 1, base station N1 is the maintenance base station of the Serving cell of UE U2, the step of mark in square frame F1
It is optional step.
For base station N1, the first signaling is sent in step s 11.
Wherein, the first signaling is physical layer signaling, and the first signaling includes the scheduling letter of the second data
Breath.The N is positive integer.Second data include N number of transmission block group, N number of transmission block group
Transmit in N number of LTE time slots respectively, a transmission block group includes G transmission block,
The G is positive integer.First signaling is transmitted in a LTE time slots.First LTE time slots are LTE
First time slot of subframe, or a LTE time slots are the second time slots of LTE subframes.
As the sub- embodiment of embodiment 1, the first signaling be DCI format 1,1A, 1B, 1C,
1D, 2,2A, 2B, 2C, 2D } in one kind；Or newly-designed DCI format, the second number of scheduling
According to transmission.
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：Second signaling indicates the first channel shared by a LTE time slots
OFDM symbol number.Wherein, the first signaling is transmitted on the first channel, the shared OFDM
Symbolic number is less than 4 positive integer.
- the three signaling：Data scheduled in 3rd signaling the first signaling of instruction are in a LTE time slots
In initial OFDM symbol.Wherein, the initial OFDM symbol is the 5th in LTE time slots
OFDM symbol before OFDM symbol.
Used as the sub- embodiment of embodiment 1, second signaling is the LTE belonging to a LTE time slots
The PCFICH signalings of subframe, a LTE time slots are the first time slots of LTE subframes, or first
LTE time slots are the second time slots of LTE subframes.Also, the target receiver of the first signaling is first
UE, the target receiver of the second signaling is a 2nd UE and UE.Wherein the 2nd UE is tradition
(Legacy) UE, and a UE is not.
Used as the sub- embodiment of embodiment 1, second signaling is the LTE belonging to a LTE time slots
Improved PCFICH (M-PCFICH) signaling of the subframe on the second time slot, the M-PCFICH letters
The coding and modulation system of existing PCFICH is continued to use in order, and the resource for being its occupancy is a LTE
First OFDM symbol of the LTE subframes belonging to time slot on the second time slot, and only indicate second
The OFDM symbol number shared by the first channel on time slot.And the first channel institute on the first time slot
The OFDM symbol number of occupancy is indicated by existing PCFICH.
Used as the sub- embodiment of embodiment 1, the 3rd signaling is high-level signaling, and is existing
IE(Information Element)pdsch-Start-r10.The pdsch-Start-r10 tables
Show initial OFDM symbol of the data scheduled in the first signaling in a LTE time slots, it is and existing
The data of EPDCCH scheduling are consistent in the initial OFDM symbol of LTE subframes, and are
OFDM symbols before the 5th OFDM symbol in the LTE time slots that pdsch-Start-r10 is indicated
Number.Also, the target receiver of the first signaling is a UE, the target receiver of the 3rd signaling is
A 2nd UE and UE.Wherein the 2nd UE is tradition (Legacy) UE, and a UE is not.
Used as the sub- embodiment of embodiment 1, the 3rd signaling is high-level signaling, and is designed for new
IE (Information Element, information unit) pdsch-Start-short-tti-r13.
The pdsch-Start-short-tti-r13 represents data scheduled in the first signaling first
Initial OFDM symbol in LTE time slots.Wherein, a LTE time slots are the of LTE subframes
One time slot, or a LTE time slots are the second time slots of LTE subframes.
For UE U2, at least one of is received in step S22：
- the second signaling：Second signaling indicates the first channel shared by a LTE time slots
OFDM symbol number.Wherein, the first signaling is transmitted on the first channel, the shared OFDM
Symbolic number is less than 4 positive integer.
- the three signaling：Data scheduled in 3rd signaling the first signaling of instruction are in a LTE time slots
In initial OFDM symbol.Wherein, the initial OFDM symbol is the 5th in LTE time slots
OFDM symbol before OFDM symbol.
For base station N1, the 4th signaling is sent in step s 13, the 4th signaling is by a PRB to collection
EPDCCH is distributed in conjunction.
Wherein, in a PRB to transmitting in set, a PRB includes L to set to the first signaling
Individual PRB pair, the L is positive integer.
Used as the sub- embodiment of embodiment 1, the 4th signaling is traditional EPDCCH configuration IE
EPDCCH-SetConfig-r11.First PRB of the EPDCCH-SetConfig-r11 configurations
Set is shared by the first signaling and traditional EPDCCH, that is, transmits a PRB of the first signaling
To gather all configuration informations, with transmission EPDCCH PRB to gather all configuration informations
Equally.Also, the target receiver of the first signaling is a UE, the target receiver of the 4th signaling
It is a 2nd UE and UE.Wherein the 2nd UE is tradition (Legacy) UE, and a UE is not
It is.And L is numberPRB-Pairs-r11 in traditional EPDCCH-SetConfig-r11
The positive integer of instruction, 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, in N number of LTE
The second data are sent in time slot.
For UE U2, in step s 24, according to the scheduling of the first signaling, in N number of LTE
The second data are received in time slot.
Embodiment 2
Embodiment 2 illustrates the downlink transfer flow chart based on the 5th signaling, as shown in Figure 2.It is attached
In Fig. 2, base station N3 is the maintenance base station of the Serving cell of UE U4, the step of mark in square frame F2
It 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：Second signaling indicates the first channel shared by a LTE time slots
OFDM symbol number.Wherein, the first signaling is transmitted on the first channel, the shared OFDM symbols
Number is less than 4 positive integer.
- the three signaling：Data scheduled in 3rd signaling the first signaling of instruction are in a LTE time slots
Initial OFDM symbol.Wherein, the initial OFDM symbol is the 5th OFDM in LTE time slots
OFDM symbol before symbol.
For UE U4, at least one of is received in step S42.
- the second signaling：Second signaling indicates the first channel shared by a LTE time slots
OFDM symbol number.Wherein, the first signaling is transmitted on the first channel, the shared OFDM symbols
Number is less than 4 positive integer.
- the three signaling：Data scheduled in 3rd signaling the first signaling of instruction are in a LTE time slots
Initial OFDM symbol.Wherein, the initial OFDM symbol is the 5th OFDM in LTE time slots
OFDM symbol before symbol.
For base station N3, the 5th signaling is sent in step S33, the 5th signaling is by a PRB to collection
M-EREG is distributed in conjunction.
Wherein, in a PRB to transmitting in set, a M-EREG is in time domain for the first signaling
Take a LTE time slot.First PRB includes L PRB pair to set, and the L is positive integer.
And L is one of { 2,4,8,16 }.
Used as the sub- embodiment of embodiment 2, the 5th signaling is newly-designed IE
EPDCCH-SetConfig-Short-tti-r13.It is described
The PRB that EPDCCH-SetConfig-Short-tti-r13 is indicated is distributed to set
M-EREG, and a PRB is to gathering PRB corresponding with system transfers EPDCCH to set
It 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, in N number of LTE
The second data are sent in time slot.
For UE U4, in step S44, according to the scheduling of the first signaling, in N number of LTE
The second data are received in time slot.
Embodiment 3
Embodiment 3 illustrates the downlink transfer flow chart based on the 6th signaling, as shown in Figure 3.It is attached
In Fig. 3, base station N5 is the maintenance base station of the Serving cell of UE U6, the step of mark in square frame F3
It 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：Second signaling indicates the first channel shared by a LTE time slots
OFDM symbol number.Wherein, the first signaling is transmitted on the first channel, the shared OFDM symbols
Number is less than 4 positive integer.
- the three signaling：Data scheduled in 3rd signaling the first signaling of instruction are in a LTE time slots
Initial OFDM symbol.Wherein, the initial OFDM symbol is the 5th OFDM in LTE time slots
OFDM symbol before symbol.
For UE U6, at least one of is received in step S62：
- the second signaling：Second signaling indicates the first channel shared by a LTE time slots
OFDM symbol number.Wherein, the first signaling is transmitted on the first channel, the shared OFDM symbols
Number is less than 4 positive integer.
- the three signaling：Data scheduled in 3rd signaling the first signaling of instruction are in a LTE time slots
Initial OFDM symbol.Wherein, the initial OFDM symbol is the 5th OFDM in LTE time slots
OFDM symbol before symbol.
For base station N5, the 6th signaling is sent in step S53, the 2nd PRB is gathered by the 6th signaling
Distribute to M-EREG.
Wherein, the first signaling is transmitted in the 2nd PRB set, and a M-EREG is accounted in time domain
With a LTE time slot.2nd PRB set includes that J PRB, the J are positive integers.And
J is one of { 2,4,8,16 }.
Used as the sub- embodiment of embodiment 3, the 6th signaling is newly-designed IE
EPDCCH-PRB-Short-tti-r13.What the EPDCCH-PRB-Short-tti-r13 was indicated
M-EREG is distributed in 2nd PRB set, and the 2nd PRB set is located at the second of LTE subframes
Time slot.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, in N number of LTE
The second data are sent in time slot.
For UE U6, in step S64, according to the scheduling of the first signaling, in N number of LTE
The second data are received in time slot.
Embodiment 4
Embodiment 4 illustrates the uplink flow chart based on the 4th signaling, as shown in Figure 4.It is attached
In Fig. 4, base station N7 is the maintenance base station of the Serving cell of UE U8, the step of mark in square frame F4
It 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：Second signaling indicates the first channel shared by a LTE time slots
OFDM symbol number.Wherein, the first signaling is transmitted on the first channel, the shared OFDM
Symbolic number is less than 4 positive integer.
- the three signaling：Data scheduled in 3rd signaling the first signaling of instruction are in a LTE time slots
In initial OFDM symbol.Wherein, the initial OFDM symbol is the 5th in LTE time slots
OFDM symbol before OFDM symbol.
For UE U8, at least one of is received in step S82：
- the second signaling：Second signaling indicates the first channel shared by a LTE time slots
OFDM symbol number.Wherein, the first signaling is transmitted on the first channel, the shared OFDM
Symbolic number is less than 4 positive integer.
- the three signaling：Data scheduled in 3rd signaling the first signaling of instruction are in a LTE time slots
In initial OFDM symbol.Wherein, the initial OFDM symbol is the 5th in LTE time slots
OFDM symbol before OFDM symbol.
For base station N7, the 4th signaling is sent in step S73, the 4th signaling is by a PRB to collection
EPDCCH is distributed in conjunction.
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, in N number of LTE
The second data are sent in time slot.
For base station N7, in step S74, according to the scheduling of the first signaling, in N number of LTE
The second data are received in time slot.
Embodiment 5
Embodiment 5 illustrates the uplink flow chart based on the 5th signaling, as shown in Figure 5.It is attached
In Fig. 2, base station N9 is the maintenance base station of the Serving cell of UE U10, the step of mark in square frame F5
It 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：Second signaling indicates the first channel shared by a LTE time slots
OFDM symbol number.Wherein, the first signaling is transmitted on the first channel, the shared OFDM symbols
Number is less than 4 positive integer.
- the three signaling：Data scheduled in 3rd signaling the first signaling of instruction are in a LTE time slots
Initial OFDM symbol.Wherein, the initial OFDM symbol is the 5th OFDM in LTE time slots
OFDM symbol before symbol.
For UE U10, at least one of is received in step s 102：
- the second signaling：Second signaling indicates the first channel shared by a LTE time slots
OFDM symbol number.Wherein, the first signaling is transmitted on the first channel, the shared OFDM symbols
Number is less than 4 positive integer.
- the three signaling：Data scheduled in 3rd signaling the first signaling of instruction are in a LTE time slots
Initial OFDM symbol.Wherein, the initial OFDM symbol is the 5th OFDM in LTE time slots
OFDM symbol before symbol.
For base station N9, the 5th signaling is sent in step S93, the 5th signaling is by a PRB to collection
M-EREG is distributed in conjunction.
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, in N number of LTE
The second data are sent in time slot.
For base station N9, in step S104, according to the scheduling of the first signaling, in N number of LTE
The second data are received in time slot.
Embodiment 6
Embodiment 6 illustrates the uplink flow chart based on the 6th signaling, as shown in Figure 6.It is attached
In Fig. 6, base station N11 is the maintenance base station of the Serving cell of UE U12, the step identified in square frame F3
Suddenly it 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：Second signaling indicates the first channel shared by a LTE time slots
OFDM symbol number.Wherein, the first signaling is transmitted on the first channel, the shared OFDM symbols
Number is less than 4 positive integer.
- the three signaling：Data scheduled in 3rd signaling the first signaling of instruction are in a LTE time slots
Initial OFDM symbol.Wherein, the initial OFDM symbol is the 5th OFDM in LTE time slots
OFDM symbol before symbol.
For UE U12, at least one of is received in step S122：
- the second signaling：Second signaling indicates the first channel shared by a LTE time slots
OFDM symbol number.Wherein, the first signaling is transmitted on the first channel, the shared OFDM symbols
Number is less than 4 positive integer.
- the three signaling：Data scheduled in 3rd signaling the first signaling of instruction are in a LTE time slots
Initial OFDM symbol.Wherein, the initial OFDM symbol is the 5th OFDM in LTE time slots
OFDM symbol before symbol.
For base station N11, the 6th signaling is sent in step S113, the 6th signaling is by the 2nd PRB
M-EREG is distributed in set.
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, in N number of LTE
The second data are sent in time slot.
For base station N11, in step S114, according to the scheduling of the first signaling, described N number of
The second data are received in LTE time slots.
Embodiment 7
Embodiment 7 shows that the present invention, under normal CP, constitutes the M-EREG of RE shared by the first signaling
One embodiment of esource impact, i.e. M-EREG are mapped to the signal of the first pattern of a PRB centering
Figure.As shown in fig. 7, the sequence number of the number designation correspondence M-EREG in figure, as " 0 " represents its institute
RE in position belongs to M-EREG 0, and " 1 " represents that the RE of its position belongs to M-EREG 1, with
This analogizes, and " X " represents that the RE of its position belongs to M-EREG X (X is 2 to 7 positive integer).
And belong to the first time slot it is all be designated " 0 " RE (totally 9 RE) composition M-EREG 0, own
The RE composition M-EREG 1 of " 1 " are designated, by that analogy, all RE compositions for being designated " X "
M-EREG X (X is 2 to 7 positive integer).And on the first time slot and the second time slot, M-EREG
It is independent to map, i.e. the M-EREG constituted by all RE (totally 9 RE) for being designated " 0 " of the first time slot
0, the M-EREG 0 constituted by the REs (totally 9 RE) that are designated " 0 " all with the second time slot is each other
It is independent, and independent the first signaling of composition, the second data are dispatched, by that analogy, on the first time slot
M-EREG X on M-EREG X and the second time slot are also independently of one another (X is 2 to 7 positive integer).Knot
The description mapped with regard to EREG in closing TS 36.211-6.2.4A, it can be seen that M-EREG and EREG
Following mapping relations are met in one time slot：
The RE composition M-EREG 0 that EREG 0 and EREG 8 occupy in one time slot；
The RE composition M-EREG 1 that EREG 1 and EREG 9 occupy in one time slot；
The RE composition M-EREG 2 that EREG 2 and EREG 10 occupy in one time slot；
The RE composition M-EREG 3 that EREG 3 and EREG 11 occupy in one time slot；
The RE composition M-EREG 4 that EREG 4 and EREG 12 occupy in one time slot；
The RE composition M-EREG 5 that EREG 5 and EREG 13 occupy in one time slot；
The RE composition M-EREG 6 that EREG 6 and EREG 14 occupy in one time slot；
The RE composition M-EREG 7 that EREG 7 and EREG 15 occupy in one time slot；
Based on this kind of mapping mode, a PRB will be comprising 8 M-EREG under normal CP.
As a sub- embodiment of the embodiment, a traditional ECCE (Enhanced control
Channel element, enhanced control channel unit) will be comprising 4 M-EREG, then ECCE pair
Corresponding PRB indexes and the M-EREG sequence numbers of the ECCE are constituted, except by TS 36.211-6.8A-1
Middle parameterIt is fixed as 2,Replace withAnd it is fixed as 4, remaining is using traditional
Search space (Search Space) mode.HereIndicate equal to the 4th signaling or the 5th signaling
L, or the J that the 6th signaling is indicated.
Embodiment 8
Embodiment 8 shows that the present invention, under extension CP, constitutes the M-EREG of RE shared by the first signaling
One embodiment of esource impact, i.e. M-EREG are mapped to the signal of the first pattern of a PRB centering
Figure.As shown in figure 8, the sequence number of the number designation correspondence M-EREG in figure, as " 0 " represents its institute
RE in position belongs to M-EREG 0, and " 1 " represents that the RE of its position belongs to M-EREG 1, with
This analogizes, and " X " represents that the RE of its position belongs to M-EREG X (X is 2 to 7 positive integer).
And belong to the first time slot it is all be designated " 0 " RE (totally 8 RE) composition M-EREG 0, own
The RE composition M-EREG 1 of " 1 " are designated, by that analogy, all RE compositions for being designated " X "
M-EREG X (X is 2 to 7 positive integer).And on the first time slot and the second time slot, M-EREG
It is independent to map, i.e. the M-EREG constituted by all RE (totally 8 RE) for being designated " 0 " of the first time slot
0, the M-EREG 0 constituted by the REs (totally 8 RE) that are designated " 0 " all with the second time slot is each other
It is independent, and independent the first signaling of composition, the second data are dispatched, by that analogy, on the first time slot
M-EREG X on M-EREG X and the second time slot are also independently of one another (X is 2 to 7 positive integer).Knot
The description mapped with regard to EREG in closing TS 36.211-6.2.4A, it can be seen that M-EREG and EREG
Following mapping relations are met in one time slot：
The RE composition M-EREG 0 that EREG 0 and EREG 8 occupy in one time slot；
The RE composition M-EREG 1 that EREG 1 and EREG 9 occupy in one time slot；
The RE composition M-EREG 2 that EREG 2 and EREG 10 occupy in one time slot；
The RE composition M-EREG 3 that EREG 3 and EREG 11 occupy in one time slot；
The RE composition M-EREG 4 that EREG 4 and EREG 12 occupy in one time slot；
The RE composition M-EREG 5 that EREG 5 and EREG 13 occupy in one time slot；
The RE composition M-EREG 6 that EREG 6 and EREG 14 occupy in one time slot；
The RE composition M-EREG 7 that EREG 7 and EREG 15 occupy in one time slot；
Based on this kind of mapping mode, a PRB will be comprising 8 M-EREG under extension CP.
As a sub- embodiment of the embodiment, a traditional ECCE (Enhanced control
Channel element, enhanced control channel unit) will be comprising 4 M-EREG, then ECCE pair
Corresponding PRB indexes and the M-EREG sequence numbers of the ECCE are constituted, except by TS 36.211-6.8A-1
Middle parameterIt is fixed as 2,Replace withAnd it is fixed as 4, remaining is using traditional
Search space (Search Space) mode.HereIndicate equal to the 4th signaling or the 5th signaling
L, or the J that the 6th signaling is indicated.
Embodiment 9
Embodiment 9 shows that the present invention, under normal CP, constitutes the M-EREG of RE shared by the first signaling
One embodiment of esource impact, i.e. M-EREG are mapped to the signal of the first pattern of a PRB centering
Figure.As shown in figure 9, the sequence number of the number designation correspondence M-EREG in figure, as " 0 " represents its institute
RE in position belongs to M-EREG 0, and " 1 " represents that the RE of its position belongs to M-EREG 1, with
This analogizes, and " X " represents that the RE of its position belongs to M-EREG X (X is 2 to 7 positive integer).
And belong to the first time slot it is all be designated " 0 " RE (totally 9 RE) composition M-EREG 0, own
The RE composition M-EREG 1 of " 1 " are designated, by that analogy, all RE compositions for being designated " X "
M-EREG X (X is 2 to 7 positive integer).And on the first time slot and the second time slot, M-EREG
It is independent to map, i.e. the M-EREG constituted by all RE (totally 9 RE) for being designated " 0 " of the first time slot
0, the M-EREG 0 constituted by the REs (totally 9 RE) that are designated " 0 " all with the second time slot is each other
It is independent, and independent the first signaling of composition, the second data are dispatched, by that analogy, on the first time slot
M-EREG X on M-EREG X and the second time slot are also independently of one another (X is 2 to 7 positive integer).Knot
The description mapped with regard to EREG in closing TS 36.211-6.2.4A, it can be seen that M-EREG and EREG
Following mapping relations are met in one time slot：
The RE composition M-EREG 0 that EREG 0 and EREG 12 occupy in one time slot；
The RE composition M-EREG 1 that EREG 1 and EREG 13 occupy in one time slot；
The RE composition M-EREG 2 that EREG 2 and EREG 14 occupy in one time slot；
The RE composition M-EREG 3 that EREG 3 and EREG 15 occupy in one time slot；
The RE composition M-EREG 4 that EREG 4 and EREG 8 occupy in one time slot；
The RE composition M-EREG 5 that EREG 5 and EREG 9 occupy in one time slot；
The RE composition M-EREG 6 that EREG 6 and EREG 10 occupy in one time slot；
The RE composition M-EREG 7 that EREG 7 and EREG 11 occupy in one time slot；
Based on this kind of mapping mode, a PRB will be comprising 8 M-EREG under normal CP.
As a sub- embodiment of the embodiment, a traditional ECCE (Enhanced control
Channel element, enhanced control channel unit) will be comprising 4 M-EREG, then ECCE pair
Corresponding PRB indexes and the M-EREG sequence numbers of the ECCE are constituted, except by TS 36.211-6.8A-1
Middle parameterIt is fixed as 2,Replace withAnd it is fixed as 4, remaining is using traditional
Search space (Search Space) mode.HereIndicate equal to the 4th signaling or the 5th signaling
L, or the J that the 6th signaling is indicated.
Embodiment 10
Embodiment 10 shows that the present invention, under extension CP, constitutes RE shared by the first signaling
One embodiment of M-EREG esource impacts, i.e. M-EREG are mapped to the first figure of a PRB centering
The schematic diagram of case.As shown in Figure 10, the sequence number of the number designation correspondence M-EREG in figure, such as " 0 "
Represent that the RE of its position belongs to M-EREG 0, " 1 " represents that the RE of its position belongs to M-EREG
1, by that analogy, " X " represent the RE of its position belong to M-EREG X (X be 2 to 7 it is just whole
Number).And belong to the first time slot it is all be designated " 0 " RE (totally 8 RE) composition M-EREG 0,
All RE composition M-EREG 1 for being designated " 1 ", by that analogy, all RE for being designated " X "
Composition M-EREG X (X is 2 to 7 positive integer).And on the first time slot and the second time slot, M-EREG
It is independent to map, i.e. the M-EREG constituted by all RE (totally 8 RE) for being designated " 0 " of the first time slot
0, the M-EREG 0 constituted by the REs (totally 8 RE) that are designated " 0 " all with the second time slot is each other
It is independent, and independent the first signaling of composition, the second data are dispatched, by that analogy, on the first time slot
M-EREG X on M-EREG X and the second time slot are also independently of one another (X is 2 to 7 positive integer).Knot
The description mapped with regard to EREG in closing TS 36.211-6.2.4A, it can be seen that M-EREG and EREG
Following mapping relations are met in one time slot：
The RE composition M-EREG 0 that EREG 0 and EREG 12 occupy in one time slot；
The RE composition M-EREG 1 that EREG 1 and EREG 13 occupy in one time slot；
The RE composition M-EREG 2 that EREG 2 and EREG 14 occupy in one time slot；
The RE composition M-EREG 3 that EREG 3 and EREG 15 occupy in one time slot；
The RE composition M-EREG 4 that EREG 4 and EREG 8 occupy in one time slot；
The RE composition M-EREG 5 that EREG 5 and EREG 9 occupy in one time slot；
The RE composition M-EREG 6 that EREG 6 and EREG 10 occupy in one time slot；
The RE composition M-EREG 7 that EREG 7 and EREG 11 occupy in one time slot；
Based on this kind of mapping mode, a PRB will be comprising 8 M-EREG under extension CP.
As a sub- embodiment of the embodiment, a traditional ECCE (Enhanced control
Channel element, enhanced control channel unit) will be comprising 4 M-EREG, then ECCE pair
Corresponding PRB indexes and the M-EREG sequence numbers of the ECCE are constituted, except by TS 36.211-6.8A-1
Middle parameterIt is fixed as 2,Replace withAnd it is fixed as 4, remaining is using traditional
Search space (Search Space) mode.HereIndicate equal to the 4th signaling or the 5th signaling
L, or the J that the 6th signaling is indicated.
Embodiment 11
Embodiment 11 shows the knot of the processing meanss in base station according to an embodiment of the invention
Structure block diagram；As shown in Figure 11.In accompanying drawing 11, base station processing meanss 200 are main by the first module
201 and second module 202.
First module 201：Send the first signaling.
Wherein, the first signaling is physical layer signaling, and the first signaling includes the schedule information of the second data.
The N is positive integer.Second data include N number of transmission block group, and N number of transmission block group exists respectively
Transmit in N number of LTE time slots, a transmission block group includes G transmission block, the G
It is positive integer.First signaling is transmitted in a LTE time slots.First LTE time slots are LTE subframes
First time slot, or a LTE time slots are the second time slots of LTE subframes.
- additionally, the first module is additionally operable at least one of：
Send the second signaling：Second signaling indicates the first channel shared by a LTE time slots
OFDM symbol number.Wherein, the first signaling is transmitted on the first channel, the shared OFDM symbols
Number is less than 4 positive integer.
Send the 3rd signaling：Data scheduled in 3rd signaling the first signaling of instruction are in a LTE time slots
In initial OFDM symbol.Wherein, the initial OFDM symbol is the 5th OFDM in LTE time slots
OFDM symbol before symbol.
The 4th signaling is sent, a PRB is distributed to EPDCCH to set by the 4th signaling.
The 5th signaling is sent, a PRB is distributed to improved EREG to set by the 5th signaling.Wherein,
In a PRB to transmitting in set, an improved EREG takes one in time domain to first signaling
LTE time slots.First PRB includes L PRB pair to set, and the L is positive integer.
The 6th signaling is sent, the 2nd PRB set is distributed to improved EREG by the 6th signaling.Wherein,
First signaling is transmitted in the 2nd PRB set, and an improved EREG takes a LTE in time domain
Time slot.2nd PRB set includes that J PRB, the J are positive integers.
Second module 202：According to the scheduling of the first signaling, in N number of LTE time slots send or
Person receives the second data.
Embodiment 12
Embodiment 12 shows the structure of the processing meanss in UE according to an embodiment of the invention
Block diagram；As shown in Figure 12.In accompanying drawing 12, UE processing meanss 300 are main by the first module 301,
Second module 302, the 3rd module 303, the 4th module 304, the 5th module 305, and the 6th module
306 compositions.
First module 301：Receive the first signaling.
Wherein, the first signaling is physical layer signaling, and the first signaling includes the schedule information of the second data.
The N is 1 or 2.Second data include N number of transmission block group, N number of transmission block group difference
Transmit in N number of LTE time slots, a transmission block group includes G transmission block, described
G is positive integer.First signaling is transmitted in a LTE time slots.First LTE time slots are LTE subframes
The first time slot, or a LTE time slots are the second time slots of LTE subframes.
Additionally, the first module is additionally operable at least one of：
Receive the second signaling：Second signaling indicates the first channel shared by a LTE time slots
OFDM symbol number.Wherein, the first signaling is transmitted on the first channel, the shared OFDM symbols
Number is less than 4 positive integer.
Receive the 3rd signaling：Data scheduled in 3rd signaling the first signaling of instruction are in a LTE time slots
In initial OFDM symbol.Wherein, the initial OFDM symbol is the 5th OFDM in LTE time slots
OFDM symbol before symbol.
The 4th signaling is received, a PRB is distributed to EPDCCH to set by the 4th signaling.
The 5th signaling is received, a PRB is distributed to improved EREG to set by the 5th signaling.Wherein,
In a PRB to transmitting in set, an improved EREG takes one in time domain to first signaling
LTE time slots.First PRB includes L PRB pair to set, and the L is positive integer.
The 6th signaling is received, the 2nd PRB set is distributed to improved EREG by the 6th signaling.Wherein,
First signaling is transmitted in the 2nd PRB set, and an improved EREG takes a LTE in time domain
Time slot.2nd PRB set includes that J PRB, the J are positive integers.
Second module 302：According to the scheduling of the first signaling, in N number of LTE time slots receive or
Person sends the second data.
One of ordinary skill in the art will appreciate that all or part of step in said method can be with
Related hardware is instructed to complete by program, described program can be stored in computer-readable storage medium
In matter, such as read-only storage, hard disk or CD etc..Optionally, the whole of above-described embodiment or
Part steps can also be realized using one or more integrated circuit.Accordingly, above-mentioned enforcement
Each modular unit in example, can be realized using example, in hardware, it is also possible to by software function module
Form realizes that the application is not limited to the combination of the software and hardware of any particular form.In the present invention
UE include but is not limited to mobile phone, panel computer, notebook, card of surfing Internet, vehicular communication equipment
Deng Wireless Telecom Equipment.Base station in the present invention includes but is not limited to macrocell base stations, microcellulor base
Stand, Home eNodeB, the Wireless Telecom Equipment such as relay base station.
The above, only presently preferred embodiments of the present invention is not intended to limit the present invention's
Protection domain.All any modifications within the spirit and principles in the present invention, made, equivalent,
Improve etc., should be included within the scope of the present invention.
Claims (18)
1. a kind of method in base station for supporting low latency radio communication, wherein, comprise the steps：
- step A. sends the first signaling.
Wherein, the first signaling is physical layer signaling, and the first signaling includes the schedule information of the second data.Institute
It is positive integer to state N.Second data include N number of transmission block group, and N number of transmission block group is respectively described
Transmit in N number of LTE time slots, a transmission block group includes G transmission block, and the G is just whole
Number.First signaling is transmitted in a LTE time slots.First LTE time slots are the first time slots of LTE subframes,
Or the first LTE time slots be LTE subframes the second time slot.
2. method according to claim 1, it is characterised in that step A also comprises the steps：
- step A0. sends at least one of：
- the second signaling：Second signaling indicates OFDM symbol of first channel shared by a LTE time slots
Number.Wherein, the first signaling is transmitted on the first channel, and the shared OFDM symbol number is less than 4
Positive integer.
- the three signaling：Starting of the data scheduled in 3rd signaling the first signaling of instruction in a LTE time slots
OFDM symbol.Wherein, before the initial OFDM symbol is the 5th OFDM symbol in LTE time slots
OFDM symbol.
3. method according to claim 1, it is characterised in that step A also comprises the steps：
- step A1. sends the 4th signaling, and a PRB is distributed to EPDCCH to set by the 4th signaling.
Wherein, in a PRB to transmitting in set, a PRB includes L PRB to set to the first signaling
Right, the L is positive integer.
4. the method according to claim 1, described in 3, it is characterised in that step A also includes following step
Suddenly：
- step A2. sends the 5th signaling, and a PRB is distributed to improved EREG to set by the 5th signaling.
Wherein, in a PRB to transmitting in set, an improved EREG is accounted in time domain the first signaling
With a LTE time slot.First PRB includes L PRB pair to set, and the L is positive integer.
5. the method according to claim 1, described in 3, it is characterised in that step A also includes following step
Suddenly：
- step A3. sends the 6th signaling, and the 2nd PRB set is distributed to improved EREG by the 6th signaling.
Wherein, the first signaling is transmitted in the 2nd PRB set, and an improved EREG is taken in time domain
One LTE time slot.2nd PRB set includes that J PRB, the J are positive integers.
6. the method according to claim 1, described in 3,4,5, it is characterised in that the RE that the first signaling takes
It is made up of K improved EREG.Wherein, the K is positive integer.One improved EREG is by two
Individual EREG each shared part RE is constituted, and an improved EREG takes one in time domain
LTE time slots.One improved EREG is made up of 9 or 8 RE.
7. the method according to claim 1-6, it is characterised in that also comprise the steps：
Scheduling of-step the B. according to the first signaling, sends in N number of LTE time slots or receives second
Data.
8. a kind of method in UE for supporting low latency radio communication, wherein, comprise the steps：
- step A. receives the first signaling.
Wherein, the first signaling is physical layer signaling, and the first signaling includes the schedule information of the second data.Institute
It is positive integer to state N.Second data include N number of transmission block group, and N number of transmission block group is respectively described
Transmit in N number of LTE time slots, a transmission block group includes G transmission block, and the G is just whole
Number.First signaling is transmitted in a LTE time slots.First LTE time slots are the first time slots of LTE subframes,
Or the first LTE time slots be LTE subframes the second time slot.
9. method according to claim 8, it is characterised in that step A also comprises the steps：
- step A0. receives at least one of：
- the second signaling：Second signaling indicates OFDM symbol of first channel shared by a LTE time slots
Number.Wherein, the first signaling is transmitted on the first channel, and the shared OFDM symbol number is less than 4
Positive integer.
- the three signaling：Starting of the data scheduled in 3rd signaling the first signaling of instruction in a LTE time slots
OFDM symbol.Wherein, before the initial OFDM symbol is the 5th OFDM symbol in LTE time slots
OFDM symbol.
10. method according to claim 8, it is characterised in that step A also comprises the steps：
- step A1. receives the 4th signaling, and a PRB is distributed to EPDCCH to set by the 4th signaling.
Wherein, in a PRB to transmitting in set, a PRB includes L PRB to set to the first signaling
Right, the L is positive integer.
11. according to claim 8, the method described in 10, it is characterised in that step A also includes as follows
Step：
- step A2. receives the 5th signaling, and a PRB is distributed to improved EREG to set by the 5th signaling.
Wherein, in a PRB to transmitting in set, an improved EREG is accounted in time domain the first signaling
With a LTE time slot.First PRB includes L PRB pair to set, and the L is positive integer.
12. according to claim 8, the method described in 10, it is characterised in that step A also includes as follows
Step：
- step A3. receives the 6th signaling, and the 2nd PRB set is distributed to improved EREG by the 6th signaling.
Wherein, the first signaling is transmitted in the 2nd PRB set, and an improved EREG is taken in time domain
One LTE time slot.2nd PRB set includes that J PRB, the J are positive integers.
13. according to claim 8, the method described in 10,11,12, it is characterised in that the first signaling takes
RE be made up of K improved EREG.Wherein, the K is positive integer.One improved EREG
It is made up of each shared part RE of two EREG, an improved EREG is taken in time domain
One LTE time slot.One improved EREG is made up of 9 or 8 RE.
14. methods according to claim 8-13, it is characterised in that also comprise the steps：
Scheduling of-step the B. according to the first signaling, receives in N number of LTE time slots or sends second
Data.
A kind of 15. base station equipments for supporting low latency radio communication, which includes：
- the first module：For sending the first signaling.
Wherein, the first signaling is physical layer signaling, and the first signaling includes the schedule information of the second data.Institute
It is positive integer to state N.Second data include N number of transmission block group, and N number of transmission block group is respectively described
Transmit in N number of LTE time slots, a transmission block group includes G transmission block, and the G is just whole
Number.First signaling is transmitted in a LTE time slots.First LTE time slots are the first time slots of LTE subframes,
Or the first LTE time slots be LTE subframes the second time slot.
- additionally, the first module is additionally operable at least one of：
Send the second signaling：Second signaling indicates OFDM of first channel shared by a LTE time slots
Symbolic number.Wherein, the first signaling is transmitted on the first channel, and the shared OFDM symbol number is little
In 4 positive integer.
Send the 3rd signaling：Data scheduled in 3rd signaling the first signaling of instruction are in a LTE time slots
Initial OFDM symbol.Wherein, the initial OFDM symbol is the 5th OFDM symbol in LTE time slots
OFDM symbol before.
The 4th signaling is sent, a PRB is distributed to EPDCCH to set by the 4th signaling.
The 5th signaling is sent, a PRB is distributed to improved EREG to set by the 5th signaling.Wherein,
In a PRB to transmitting in set, an improved EREG takes a LTE in time domain to one signaling
Time slot.First PRB includes L PRB pair to set, and the L is positive integer.
The 6th signaling is sent, the 2nd PRB set is distributed to improved EREG by the 6th signaling.Wherein, first
Signaling is transmitted in the 2nd PRB set, and an improved EREG takes a LTE time slot in time domain.
2nd PRB set includes that J PRB, the J are positive integers.
- the second module：According to the scheduling of the first signaling, send in N number of LTE time slots or receive the
Two data.
16. equipment according to claim 15, it is characterised in that the RE that the first signaling takes is by K
Improved EREG compositions.Wherein, the K is positive integer.One improved EREG is by two EREG
Each shared part RE is constituted, when an improved EREG takes a LTE in time domain
Gap.One improved EREG is made up of 9 or 8 RE.
A kind of 17. UE equipment for supporting low latency radio communication, which includes：
- the first module：For receiving the first signaling.
Wherein, the first signaling is physical layer signaling, and the first signaling includes the schedule information of the second data.Institute
It is positive integer to state N.Second data include N number of transmission block group, and N number of transmission block group is respectively described
Transmit in N number of LTE time slots, a transmission block group includes G transmission block, and the G is just whole
Number.First signaling is transmitted in a LTE time slots.First LTE time slots are the first time slots of LTE subframes,
Or the first LTE time slots be LTE subframes the second time slot.
- additionally, the first module is additionally operable at least one of：
Receive the second signaling：Second signaling indicates OFDM of first channel shared by a LTE time slots
Symbolic number.Wherein, the first signaling is transmitted on the first channel, and the shared OFDM symbol number is little
In 4 positive integer.
Receive the 3rd signaling：Data scheduled in 3rd signaling the first signaling of instruction are in a LTE time slots
Initial OFDM symbol.Wherein, the initial OFDM symbol is the 5th OFDM symbol in LTE time slots
OFDM symbol before.
The 4th signaling is received, a PRB is distributed to EPDCCH to set by the 4th signaling.
The 5th signaling is received, a PRB is distributed to improved EREG to set by the 5th signaling.Wherein,
In a PRB to transmitting in set, an improved EREG takes a LTE in time domain to one signaling
Time slot.First PRB includes L PRB pair to set, and the L is positive integer.
The 6th signaling is received, the 2nd PRB set is distributed to improved EREG by the 6th signaling.Wherein, first
Signaling is transmitted in the 2nd PRB set, and an improved EREG takes a LTE time slot in time domain.
2nd PRB set includes that J PRB, the J are positive integers.
- the second module：According to the scheduling of the first signaling, receive in N number of LTE time slots or send the
Two data.
18. equipment according to claim 17, it is characterised in that the RE that the first signaling takes is by K
Improved EREG compositions.Wherein, the K is positive integer.One improved EREG is by two EREG
Each shared part RE is constituted, when an improved EREG takes a LTE in time domain
Gap.One improved EREG is made up of 9 or 8 RE.
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| CN201510600280.4A CN106549739B (en) | 2015-09-20 | 2015-09-20 | The method and apparatus of one of wireless communication low delay |
| CN201910484933.5A CN110493878B (en) | 2015-09-20 | 2015-09-20 | Low-delay method and device in wireless communication |
| PCT/CN2016/098268 WO2017045554A1 (en) | 2015-09-20 | 2016-09-07 | Method and device in base station and ue supporting low-delay radio communication |
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| WO2019148488A1 (en) * | 2018-02-05 | 2019-08-08 | 南通朗恒通信技术有限公司 | Method and apparatus in user equipment and base station used for wireless communication |
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| WO2017045554A1 (en) | 2017-03-23 |
| CN110493878A (en) | 2019-11-22 |
| CN110493878B (en) | 2022-08-26 |
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