CN106561066B - The method and apparatus that one of wireless communication reduces network delay - Google Patents
The method and apparatus that one of wireless communication reduces network delay Download PDFInfo
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- CN106561066B CN106561066B CN201510642524.5A CN201510642524A CN106561066B CN 106561066 B CN106561066 B CN 106561066B CN 201510642524 A CN201510642524 A CN 201510642524A CN 106561066 B CN106561066 B CN 106561066B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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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
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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Abstract
The invention discloses the method and apparatus that one of wireless communication reduces network delay.UE receives the first signaling.Wherein, the first signaling is physical layer signaling, includes the scheduling information of the first data in the first signaling.UE sends the first data in the first PRB set according to the first signaling.First PRB set is any one in K kind candidate PRB set.Include G PRB subset in first PRB set, include at least one PRB in a PRB subset, altogether includes M PRB in the G PRB subset, the PRB in the PRB subset is continuous on frequency domain.The present invention gathers corresponding resource distribution mode by the new candidate PRB of design, makes the first data in transmission process, guarantees compatible with existing system and obtains higher diversity gain, to guarantee the performance gain of low delay system entirety.
Description
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 net
The delay of network includes 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 is effectively reduced.With the application for the new semiconductor for having higher height reason speed, signal processing prolongs
When be significantly reduced.
In LTE, TTI (Transmission Time Interval, Transmission Time Interval) either subframe or PRB
(Physical Resource Block, Physical Resource Block) (Pair) is corresponded in time ms (milli-second,
Millisecond).It is the first time slot and the second time slot respectively that one LTE subframe, which includes two time slots (Time Slot)-,.LTE existing system
PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel) passed in a manner of PRB pair
It is defeated, and support the two kinds of resources method of salary distribution (Resource Allocation Type).Wherein resource distribution mode 0 (Type 0)
A continuous VRB (Virtual is indicated by RIV (Resource Indication Value, resource impact value)
Resource Block, virtual resource blocks) it is right, and the VRB by that will be located at the first time slot and/or the second time slot carries out frequency hopping
(Hopping) it is mapped to PRB, to realize frequency diversity gain.And resource distribution mode 1 (Type 1) is by carrying entire uplink
Wavelength-division is made into multiple RBG (Resource Block Group, resource block group), and indicates wherein assigned RBG, to realize frequency
Discontinuous resource allocation on domain.
For shorter TTI, if it is upstream data with PRB that one, which needs the problem of studying, rather than PRB pairs of mode is carried out
Transmission, frequency hopping mapping mode of existing 0 resource distribution mode of PUSCH Type on the second time slot will be unable to using.And it is existing
Some 1 modes of Type are also required to improve.Therefore under conditions of guaranteeing compatible with existing system, how for shorter TTI
Improved transmitting uplink data is designed, to realize frequency diversity gain, and then guarantees the transmission performance of upstream data, is to need to solve
Certainly the problem of.
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 uplink data channels resource allocation in short TTI, an intuitive method is to reuse existing scheduling mode.
However inventors discovered through research that, above-mentioned intuitive method there is a problem of one it is obvious, both because frequency hopping mapping can not be carried out,
And then higher frequency diversity gain can not be obtained.
Solution in the present invention has fully considered the above problem.
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, the transmission of first the first data of signaling scheduling.
Step B. sends the first data in the first PRB set according to the first signaling.First PRB set is that K kind is candidate
PRB set in any one.
Wherein, the first signaling is physical layer signaling, includes the scheduling information of the first data in the first signaling.First data packet
N number of transmission block group is included, the N is positive integer, and N number of transmission block group is transmitted in N number of LTE time slot respectively.Wherein the first letter
The quantity for the bit for being used to indicate the first PRB set is enabled to be less than or equal to Y+2, the Y is for load scheduled in the first signaling
Wave, the bit number for resource block configuration and frequency hopping distribution determined according to the scheme of LTE DCI format 0.It is described to be used to indicate
The first PRB of at least 1 bit indication set is any PRB collection in K in candidate PRB set in the bit of first PRB set
It closes.Include G PRB subset in first PRB set, includes at least one PRB, G PRB in a PRB subset
Concentrate includes M PRB altogether, and the PRB in the PRB subset is continuous on frequency domain.The M is positive integer, and the G is positive
Integer.
The essence of above-mentioned first PRB set is: by one of original system continuous VRB group in frequency domain according to given PRB
Interval is mapped in the PRB subset of G discrete distributions, to realize frequency diversity gain, and maximum journey in uplink
The guarantee of degree and existing PUSCH transmission, generate lesser collision.The given interval PRB is configurable, or pre-
Determining.
As one embodiment, the PRB quantity for including in each PRB subset in the G PRB subset is identical.
As one embodiment, at least there are two PRB subsets in the first PRB set, described two PRB subsets are each
It is different from the PRB quantity for including.
As one embodiment, the G is equal to 2.
As one embodiment, for given system bandwidth, the M is not 0 divided by the remainder of Q, and the Q is described
The PRB number that RBG corresponding to given system bandwidth is included.
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 group includes positive integer transmission block, and the transmission block is MAC (Medium
Access Control, media access control) PDU (Protocol Data Unit, protocol Data Unit).
As one embodiment, the transmission block group is made of L transmission block, and the L is positive integer.
As one embodiment, the N is 1.
As one embodiment, the scheduling information includes L modulating-coding index, the L modulating-coding index point
It is not used to indicate modulation system used by L transmission block in the transmission block group and code rate (i.e. described N number of transmission block
Group shares identical L MCS).As a sub- embodiment of above-described embodiment, the modulating-coding index is the MCS in LTE
(Modulation and Coding Scheme, Modulation and Coding Scheme).
Specifically, according to an aspect of the present invention, which is characterized in that the K kind candidate PRB set, which includes at least, waits
PRB collection is selected to unify, the Candidate Set unification includes G PRB subset, and the PRB number being spaced between the starting PRB of the G subset
For a pre-determining positive integer Z.
Being the advantages of above-mentioned Candidate Set is unified can be in continuing to use existing DCI for resource block configuration bit number and instruction side
Under conditions of formula, by specific resource distribution mode, length is in the resource impact to G PRB subset of M VRB, and the G
A pre-determining positive integer Z is divided between a PRB subset, to realize that the data of frequency diversity gain pass in short TTI system
It is defeated.
Specifically, according to an aspect of the present invention, which is characterized in that K kind candidate PRB set include at least with
It is at least one lower:
Candidate PRB set two
Candidate PRB set three
Wherein candidate PRB set is second is that the set based on PRB scheduled in non-hopping LTE PUSCH resource distribution mode 0；
Candidate PRB set is third is that the set based on PRB scheduled in non-hopping LTE PUSCH resource distribution mode 1.
Specifically, according to an aspect of the present invention, which is characterized in that the K is 2, and K kind candidate's PRB collection is combined into time
When selecting the unification of PRB collection and candidate PRB set two, compared with the DCI in LTE, the first signaling lacks Frequency hopping
The domain flag.
The advantages of above-mentioned aspect, is the reduction of DCI payload size, improves efficiency of transmission or robustness.
Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following steps:
Step A0. receives high-level signaling with determination:
The first information: subband number included by the system bandwidth of first carrier.
- the second information: the number of the PRB pair of PUCCH is used for transmission in first carrier.
Step A1. determines the Z according to given information.The given information includes the first information and the second information.
Wherein, first carrier is carrier wave scheduled in the first signaling.
Specifically, according to an aspect of the present invention, which is characterized in that the given information further include it is following at least it
One:
Third information: it is used to indicate one or two of the bit of the first PRB set bit
- the four information: serial number of the LTE time slot of the first data in a LTE radio frames in all LTE time slots is sent
- the five information: the system bandwidth of first carrier
- the six information: the corresponding Physical Cell Identifier of first carrier
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, the transmission of first the first data of signaling scheduling.
Step B. receives the first data in the first PRB set according to the first signaling.First PRB set is that K kind is candidate
PRB set in any one.
Wherein, the first signaling is physical layer signaling, includes the scheduling information of the first data in the first signaling.First data packet
N number of transmission block group is included, the N is positive integer, and N number of transmission block group is transmitted in N number of LTE time slot respectively.Wherein the first letter
The quantity for the bit for being used to indicate the first PRB set is enabled to be less than or equal to Y+2, the Y is for load scheduled in the first signaling
Wave, the bit number for resource block configuration and frequency hopping distribution determined according to the scheme of LTE DCI format 0.It is described to be used to indicate
The first PRB of at least 1 bit indication set is any PRB collection in K in candidate PRB set in the bit of first PRB set
It closes.Include G PRB subset in first PRB set, includes at least one PRB, G PRB in a PRB subset
Concentrate includes M PRB altogether, and the PRB in the PRB subset is continuous on frequency domain.The M is positive integer, and the G is positive
Integer.
Specifically, according to an aspect of the present invention, which is characterized in that the K kind candidate PRB set, which includes at least, waits
PRB collection is selected to unify, the Candidate Set unification includes G PRB subset, and the PRB number being spaced between the starting PRB of the G subset
For a pre-determining positive integer Z.
Specifically, according to an aspect of the present invention, which is characterized in that K kind candidate PRB set include at least with
It is at least one lower:
Candidate PRB set two
Candidate PRB set three
Wherein candidate PRB set is second is that the set based on PRB scheduled in non-hopping LTE PUSCH resource distribution mode 0；
Candidate PRB set is third is that the set based on PRB scheduled in non-hopping LTE PUSCH resource distribution mode 1.
Specifically, according to an aspect of the present invention, which is characterized in that the K is 2, and K kind candidate's PRB collection is combined into time
When selecting the unification of PRB collection and candidate PRB set two, compared with the DCI in LTE, the first signaling lacks Frequency hopping
The domain flag.
Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following steps:
Step A0. sends high-level signaling with determination:
The first information: subband number included by the system bandwidth of first carrier.
- the second information: the number of the PRB pair of PUCCH is used for transmission in first carrier.
Step A1. determines the Z according to given information.The given information includes the first information and the second information.
Wherein, first carrier is carrier wave scheduled in the first signaling.
Specifically, according to an aspect of the present invention, which is characterized in that the given information further include it is following at least it
One:
Third information: it is used to indicate one or two of the bit of the first PRB set bit
- the four information: serial number of the LTE time slot of the first data in a LTE radio frames in all LTE time slots is sent
- the five information: the system bandwidth of first carrier
- the six information: the corresponding Physical Cell Identifier of first carrier
The invention discloses a kind of UE equipment for supporting low latency to wirelessly communicate comprising:
- the first module: the first signaling, the transmission of first the first data of signaling scheduling are received.
- the second module: according to the first signaling, the first data are sent in the first PRB set.First PRB set is that K kind is waited
Select any one in PRB set.
Wherein, the first signaling is physical layer signaling, includes the scheduling information of the first data in the first signaling.First data packet
N number of transmission block group is included, the N is positive integer, and N number of transmission block group is transmitted in N number of LTE time slot respectively.Wherein the first letter
The quantity for the bit for being used to indicate the first PRB set is enabled to be less than or equal to Y+2, the Y is for load scheduled in the first signaling
Wave, the bit number for resource block configuration and frequency hopping distribution determined according to the scheme of LTE DCI format 0.It is described to be used to indicate
The first PRB of at least 1 bit indication set is any PRB collection in K in candidate PRB set in the bit of first PRB set
It closes.Include G PRB subset in first PRB set, includes at least one PRB, G PRB in a PRB subset
Concentrate includes M PRB altogether, and the PRB in the PRB subset is continuous on frequency domain.The M is positive integer, and the G is positive
Integer.
In addition, the first module is also used to: high-level signaling is received with determination:
The first information: subband number included by the system bandwidth of first carrier.
Second information: the number of the PRB pair of PUCCH is used for transmission in first carrier.
And: according to given information, determine a positive integer Z.The given information includes the first information and the second information.
The given information further includes at least one of:
Third information: it is used to indicate one or two of the bit of the first PRB set bit
- the four information: serial number of the LTE time slot of the first data in a LTE radio frames in all LTE time slots is sent
- the five information: the system bandwidth of first carrier
- the six information: the corresponding Physical Cell Identifier of first carrier
Specifically, according to an aspect of the present invention, which is characterized in that the K is 2, and K kind candidate's PRB collection is combined into time
When selecting the unification of PRB collection and candidate PRB set two, compared with the DCI in LTE, the first signaling lacks Frequency hopping
The domain flag.
Specifically, according to an aspect of the present invention, which is characterized in that the K kind candidate PRB set, which includes at least, waits
PRB collection is selected to unify, the Candidate Set unification includes G PRB subset, and the PRB number being spaced between the starting PRB of the G subset
For the Z.
Specifically, according to an aspect of the present invention, which is characterized in that K kind candidate PRB set include at least with
It is at least one lower:
Candidate PRB set two
Candidate PRB set three
Wherein candidate PRB set is second is that the set based on PRB scheduled in non-hopping LTE PUSCH resource distribution mode 0；
Candidate PRB set is third is that the set based on PRB scheduled in non-hopping LTE PUSCH resource distribution mode 1.
The invention discloses a kind of base station equipments for supporting low latency to wirelessly communicate comprising:
- the first module: the first signaling, the transmission of first the first data of signaling scheduling are sent.
- the second module: according to the first signaling, the first data are received in the first PRB set.First PRB set is that K kind is waited
Select any one in PRB set.
Wherein, the first signaling is physical layer signaling, includes the scheduling information of the first data in the first signaling.First data packet
N number of transmission block group is included, the N is positive integer, and N number of transmission block group is transmitted in N number of LTE time slot respectively.Wherein the first letter
The quantity for the bit for being used to indicate the first PRB set is enabled to be less than or equal to Y+2, the Y is for load scheduled in the first signaling
Wave, the bit number for resource block configuration and frequency hopping distribution determined according to the scheme of LTE DCI format 0.It is described to be used to indicate
The first PRB of at least 1 bit indication set is any PRB collection in K in candidate PRB set in the bit of first PRB set
It closes.Include G PRB subset in first PRB set, includes at least one PRB, G PRB in a PRB subset
Concentrate includes M PRB altogether, and the PRB in the PRB subset is continuous on frequency domain.The M is positive integer, and the G is positive
Integer.
In addition, the first module is also used to: high-level signaling is sent with determination:
The first information: subband number included by the system bandwidth of first carrier.
Second information: the number of the PRB pair of PUCCH is used for transmission in first carrier.
And: according to given information, determine a positive integer Z.The given information includes the first information and the second information.
The given information further includes at least one of:
Third information: it is used to indicate one or two of the bit of the first PRB set bit
- the four information: serial number of the LTE time slot of the first data in a LTE radio frames in all LTE time slots is sent
- the five information: the system bandwidth of first carrier
- the six information: the corresponding Physical Cell Identifier of first carrier
Specifically, according to an aspect of the present invention, which is characterized in that the K is 2, and K kind candidate's PRB collection is combined into time
When selecting the unification of PRB collection and candidate PRB set two, compared with the DCI in LTE, the first signaling lacks Frequency hopping
The domain flag.
Specifically, according to an aspect of the present invention, which is characterized in that the K kind candidate PRB set, which includes at least, waits
PRB collection is selected to unify, the Candidate Set unification includes G PRB subset, and the PRB number being spaced between the starting PRB of the G subset
For the Z.
Specifically, according to an aspect of the present invention, which is characterized in that K kind candidate PRB set include at least with
It is at least one lower:
Candidate PRB set two
Candidate PRB set three
Wherein candidate PRB set is second is that the set based on PRB scheduled in non-hopping LTE PUSCH resource distribution mode 0；
Candidate PRB set is third is that the set based on PRB scheduled in non-hopping LTE PUSCH resource distribution mode 1.
Compared to existing public technology, the present invention has following technical advantage:
- is the independent transmitting uplink data channel of short TTI Scenario Design, to guarantee the independent uplink based on each short TTI
Data transmission
First PRB described in-gathers its corresponding resource distribution mode, and frequency diversity gain can be obtained on a TTI
The set of first PRB described in-and the PUSCH of existing system share identical PRB resource, and system spectrum benefit can be improved
With 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 one according to the present invention comprising sending and receiving high-level signaling, and the implementation of determining Z step
The flow chart of example；
Fig. 2 shows one according to the present invention only comprising the first signaling of transmission and reception, and it is based on the first signaling, connect
Receive and send the flow chart of the embodiment of the first data；
Fig. 3 shows the corresponding resource allocation side of candidate PRB subset one of candidate's PRB collection unification according to the present invention
The schematic diagram of formula；
Fig. 4 shows the corresponding resource allocation side of candidate PRB subset two of candidate's PRB collection unification according to the present invention
The schematic diagram of first pattern of formula；
Fig. 5 shows the corresponding resource allocation side of candidate PRB subset two of candidate's PRB collection unification according to the present invention
The schematic diagram of second pattern of formula；
Fig. 6 shows the corresponding resource allocation side of candidate PRB subset three of candidate's PRB collection unification according to the present invention
The schematic diagram of formula；
Fig. 7 shows the schematic diagram that a candidate PRB according to the present invention gathers two corresponding resource distribution modes；
Fig. 8 shows the schematic diagram that a candidate PRB according to the present invention gathers three corresponding resource distribution modes；
Fig. 9 shows the structural block diagram of the processing unit in UE according to an embodiment of the invention；
Figure 10 shows the structural block diagram of the processing unit in base station 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 one comprising transmission and receives high-level signaling, and determines the process of the embodiment of Z step
Figure, as shown in Fig. 1.The step of in attached drawing 1, base station N1 is the maintenance base station of the serving cell of UE U2, is identified in box F1 be
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 first data in the first signaling.First data packet
N number of transmission block group is included, the N is positive integer, and N number of transmission block group is transmitted in N number of LTE time slot respectively.Wherein the first letter
The quantity for the bit for being used to indicate the first PRB set is enabled to be less than or equal to Y+2, the Y is for load scheduled in the first signaling
Wave, the bit number for resource block configuration and frequency hopping distribution determined according to the scheme of LTE DCI format 0.It is described to be used to indicate
The first PRB of at least 1 bit indication set is any PRB collection in K in candidate PRB set in the bit of first PRB set
It closes.Include G PRB subset in first PRB set, includes at least one PRB, G PRB in a PRB subset
Concentrate includes M PRB altogether, and the PRB in the PRB subset is continuous on frequency domain.The M is positive integer, and the G is positive
Integer.
As one embodiment, the PRB quantity for including in each PRB subset in the G PRB subset is identical.
As one embodiment, at least there are two PRB subsets in the first PRB set, described two PRB subsets are each
It is different from the PRB quantity for including.
As one embodiment, the G is equal to 2.
As one embodiment, for given system bandwidth, the M is not 0 divided by the remainder of Q, and the Q is described
The PRB number that RBG corresponding to given system bandwidth is included.
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 scheduling information includes L modulating-coding index, the L modulating-coding index point
It is not used to indicate modulation system used by the L transmission block in the transmission block group and code rate (i.e. described N number of biography
Defeated piece of group shares identical L 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).
As one embodiment, the quantity for being used to indicate the bit of the first PRB set is Y+1, and with the DCI phase in LTE
Than the first signaling lacks the domain Frequency hopping flag, and Y is equal toWherein
The RB number for including for first carrier.In the Y+1 bit, the set of the first PRB described in 1 bit indication is candidate PRB collection unification,
Or candidate PRB set two,It is no less than the smallest positive integral of X.Specifically,
" 0 " indicates that the first PRB set is candidate PRB collection unification；
" 1 " indicates that the first PRB set is candidate PRB set two；
If the first PRB set is candidate PRB collection unification, and is worked asWhen, then in Y+2 bit, there are also 1 to compare
It refers in particular to show that the first PRB set is which of candidate PRB collection unification candidate's PRB subset.
Specifically, as a sub- embodiment:
" 0 " indicates that the first PRB set is the candidate PRB subset one in candidate PRB collection unification；
" 1 " indicates that the first PRB set is the candidate PRB subset two in candidate PRB collection unification；
Specifically, as another sub- embodiment:
" 0 " indicates that the first PRB set is the candidate PRB subset one in candidate PRB collection unification；
" 1 " indicates that the first PRB set is the candidate PRB subset three in candidate PRB collection unification；
Specifically, as another sub- embodiment:
" 0 " indicates that the first PRB set is the candidate PRB subset two in candidate PRB collection unification；
" 1 " indicates that the first PRB set is the candidate PRB subset three in candidate PRB collection unification；
The position of VRB where remaining the first PRB of Y-1 bit indication set.
WhenWhen, if the first PRB set is that candidate PRB collection is unified, in Y+2 bit, there are 2 bits
Indicate that the first PRB set is which of candidate PRB collection unification candidate's PRB subset.
Specifically, as a sub- embodiment:
" 00 " indicates that the first PRB set is the candidate PRB subset one in candidate PRB collection unification, and
" 01 " indicates that the first PRB set is the candidate PRB subset one in candidate PRB collection unification, and
" 10 " indicate that the first PRB set is the candidate PRB subset two in candidate PRB collection unification；
" 11 " indicate that the first PRB set is the candidate PRB subset three in candidate PRB collection unification；
Specifically, as a sub- embodiment:
" 00 " indicates that the first PRB set is the candidate PRB subset one in candidate PRB collection unification, and
" 01 " indicates that the first PRB set is the candidate PRB subset three in candidate PRB collection unification,
" 10 " indicate that the first PRB set is the candidate PRB subset one in candidate PRB collection unification, and
" 11 " indicate that the first PRB set is the candidate PRB subset two in candidate PRB collection unification；
WhereinIt is no more than the maximum integer of X
The position of VRB where remaining the first PRB of Y-2 bit indication set.
If the first PRB set is candidate PRB set two, the position of the VRB where Y the first PRB of bit indication set.
It is wherein describedForResidue can be used for after removal is used for transmission the RB number of uplink control channel in a RB
The RB number of the first data is transmitted, wherein RB pairs of the quantity for uplink control channel transmission isAnd by the second letter
Breath instruction.
As one embodiment, the quantity for being used to indicate the bit of the first PRB set is Y+2, and Y is equal toWhereinThe RB number for including for first carrier.In the Y+2 bit, 1 bit indication
The first PRB set is candidate PRB collection unification, or candidate PRB set two.Specifically,
" 0 " indicates that the first PRB set is candidate PRB collection unification；
" 1 " indicates that the first PRB set is candidate PRB set two；
If the first PRB set is candidate PRB collection unification, and is worked asWhen, then in Y+2 bit, there are also 1 to compare
It refers in particular to show that the first PRB set is which of candidate PRB collection unification candidate's PRB subset.
Specifically, as a sub- embodiment:
" 0 " indicates that the first PRB set is the candidate PRB subset one in candidate PRB collection unification；
" 1 " indicates that the first PRB set is the candidate PRB subset two in candidate PRB collection unification；
Specifically, as another sub- embodiment:
" 0 " indicates that the first PRB set is the candidate PRB subset one in candidate PRB collection unification；
" 1 " indicates that the first PRB set is the candidate PRB subset three in candidate PRB collection unification；
Specifically, as another sub- embodiment:
" 0 " indicates that the first PRB set is the candidate PRB subset two in candidate PRB collection unification；
" 1 " indicates that the first PRB set is the candidate PRB subset three in candidate PRB collection unification；
The position of RB where remaining the first PRB of Y-1 bit indication set.
WhenWhen, if the first PRB set is that candidate PRB collection is unified, in Y+2 bit, there are 2 bits
Indicate that the first PRB set is which of candidate PRB collection unification candidate's PRB subset.
Specifically, as a sub- embodiment:
" 00 " indicates that the first PRB set is the candidate PRB subset one in candidate PRB collection unification, and
" 01 " indicates that the first PRB set is the candidate PRB subset one in candidate PRB collection unification, and
" 10 " indicate that the first PRB set is the candidate PRB subset two in candidate PRB collection unification；
" 11 " indicate that the first PRB set is the candidate PRB subset three in candidate PRB collection unification；
Specifically, as a sub- embodiment:
" 00 " indicates that the first PRB set is the candidate PRB subset one in candidate PRB collection unification, and
" 01 " indicates that the first PRB set is the candidate PRB subset three in candidate PRB collection unification,
" 10 " indicate that the first PRB set is the candidate PRB subset one in candidate PRB collection unification, and
" 11 " indicate that the first PRB set is the candidate PRB subset two in candidate PRB collection unification；
The position of VRB where remaining the first PRB of Y-2 bit indication set.
If the first PRB set is candidate PRB set three, the position of the PRB where Y+1 the first PRB of bit indication set
It sets.
It is wherein describedForResidue can be used for after removal is used for transmission the RB number of uplink control channel in a RB
The RB number of the first data is transmitted, wherein RB pairs of the quantity for uplink control channel transmission isAnd by the second letter
Breath instruction.
As another embodiment, the quantity for being used to indicate the bit of the first PRB set is Y+2, and Y is equal toWhereinThe RB number for including for first carrier.In the Y+2 bit, 1 bit indication
The first PRB set is candidate PRB set two, or candidate PRB set three.
Specifically, as a sub- embodiment:
" 0 " indicates that the first PRB set is candidate PRB set two；
" 1 " indicates that the first PRB set is candidate PRB set three；
Gather two when the first PRB collection is combined into candidate PRB, then there is Y bit to indicate the occupied position VRB of the first PRB set
It sets；When the first PRB collection is combined into candidate PRB set three, then there is Y+1 bit to indicate the occupied position PRB of the first PRB set
It sets.
For UE U2, the first signaling is received in the step s 21.
For base station N1, high-level signaling is sent in step s 12, with determination:
The first information: subband number included by the system bandwidth of first carrier.
- the second information: the number of the PRB pair of PUCCH is used for transmission in first carrier.
As one embodiment, the high-level signaling is PUSCH-Config IE in LTE system TS 36.331
N-SB and pusch-HoppingOffset in (Information Element).Wherein n-SB expression first carrier is
Subband number included by regiment commander's width, and value is the positive integer greater than 0 less than 5.Pusch-HoppingOffset indicates first
It is used for transmission the number of the PRB pair of PUCCH in carrier wave, definesAnd value is the positive integer more than or equal to 0 less than 99.
For UE U2, high-level signaling is received in step S22, with determination:
The first information: subband number included by the system bandwidth of first carrier.
- the second information: the number of the PRB pair of PUCCH is used for transmission in first carrier.
For base station N1, in step s 13.According to given information, Z is determined.The given information include the first information and
Second information.And given information further includes at least one of:
Third information: it is used to indicate one or two of the bit of the first PRB set bit
- the four information: serial number of the LTE time slot of the first data in a LTE radio frames in all LTE time slots is sent
- the five information: the system bandwidth of first carrier
- the six information: the corresponding Physical Cell Identifier of first carrier
Wherein, first carrier is carrier wave scheduled in the first signaling.Here the system bandwidth of first carrier isIt is corresponding
Numerical value, and
Step S11 has been described when the first PRB collection is combined into candidate PRB set a period of time, the value of Z.
The following are when the first PRB collection is combined into candidate PRB set two, the value of Z.
As one embodiment,Wherein fhop(i) i in is the LTE time slot for sending the first data
Serial number in a LTE radio frames in all LTE time slots, specific fhop(i) acquisition can be by saving 5.4.3 in TS 36.211
Following formula obtain.
Wherein c (k) is the pseudo random number generated by the 6th information, NsbSubband included by system bandwidth for first carrier
The subband number of number, the i.e. first information instruction.
AndRB number for including by the subband of first carrier, can specifically be obtained by the following formula in TS 36.211
?.
For UE U2, in step S23.According to given information, Z is determined.The given information includes the first information and
Two information.And given information further includes at least one of:
Third information: it is used to indicate one or two of the bit of the first PRB set bit
- the four information: serial number of the LTE time slot of the first data in a LTE radio frames in all LTE time slots is sent
- the five information: the system bandwidth of first carrier
- the six information: the corresponding Physical Cell Identifier of first carrier
For UE U2, in step s 24 according to the first signaling, the first data are sent in the first PRB set.First PRB
Set is any one in K kind candidate PRB set.
As one embodiment, K is equal to 2.
As a sub- embodiment of the embodiment, K kind candidate's PRB collection is combined into candidate PRB collection unification and candidate PRB set
Two.As a sub- embodiment of the embodiment, K kind candidate's PRB collection is combined into candidate PRB collection unification and candidate PRB set three.
For base station N1, according to the first signaling in step S14, the first data are received in the first PRB set.First
PRB set is any one in K kind candidate PRB set.
Embodiment 2
Embodiment 2 illustrates one and does not include transmission and receive high-level signaling, and not comprising the implementation for determining Z step
The flow chart of example, as shown in Fig. 2.In attached drawing 2, base station N3 is the maintenance base station of the serving cell of UE U4.
For base station N3, the first signaling is sent in step S31.
Wherein, the first signaling is physical layer signaling, includes the scheduling information of the first data in the first signaling.First data packet
N number of transmission block group is included, the N is positive integer, and N number of transmission block group is transmitted in N number of LTE time slot respectively.Wherein the first letter
The quantity for the bit for being used to indicate the first PRB set is enabled to be less than or equal to Y+2, the Y is for load scheduled in the first signaling
Wave, the bit number for resource block configuration and frequency hopping distribution determined according to the scheme of LTE DCI format 0.It is described to be used to indicate
The first PRB of at least 1 bit indication set is any PRB collection in K in candidate PRB set in the bit of first PRB set
It closes.Include G PRB subset in first PRB set, includes at least one PRB, G PRB in a PRB subset
Concentrate includes M PRB altogether, and the PRB in the PRB subset is continuous on frequency domain.The M is positive integer, and the G is positive
Integer.
As one embodiment, the quantity for being used to indicate the bit of the first PRB set is Y+1, and Y is equal toWhereinThe RB number for including for first carrier.In the Y+2 bit, 1 bit indication
The first PRB set is that candidate PRB gathers which of two or candidate PRB set three set.Specifically,
" 0 " indicates that the first PRB set is candidate PRB set two；
" 1 " indicates that the first PRB set is candidate PRB set three；
For UE U4, the first signaling is received in step S41.
For UE U4, according to the first signaling in step S42, the first data are sent in the first PRB set.First PRB
Set is any one in K kind candidate PRB set.
As one embodiment, K is equal to 2.
As a sub- embodiment of the embodiment, K kind candidate's PRB collection is combined into candidate PRB and gathers two and candidate PRB set
Three.
For base station N3, in step s 32 according to the first signaling, the first data are received in the first PRB set.First
PRB set is any one in K kind candidate PRB set.
Embodiment 3
Embodiment 3 shows the corresponding resource of candidate PRB subset one point of candidate's PRB collection unification according to the present invention
Schematic diagram with mode.It is assumed thatThen Y=11, andAnd wherein there are 9
Bit is used to indicate the position of the VRB where the first PRB set.Specifically, as shown, being gone out here by 9 bit indications
The initial position RB of one continuous VRBstartAnd its length LCRBs, specific RBstart=15, LCRBs=9, then 9 bits are corresponding
RIV can be found in the part of 36.213 section 8.1.1 of TS, here forAnd the implementation
Example is correspondingFig. 3 (a) be RIV instruction VRB resource allocation schematic diagram, Fig. 3 (b) be based on
This VRB distributes corresponding PRB resource allocation schematic diagram.As shown in Figure 3 it can be seen that, former LCRBsA continuous VRB, is divided into G=2
A PRB subset, and first PRB subset occupies RBstartExtremelyPRB.
2nd PRB subset occupies (RBstart+Z)modExtremely's
PRB。
Embodiment 4
Embodiment 4 shows the corresponding resource of candidate PRB subset two point of candidate's PRB collection unification according to the present invention
The schematic diagram of the first pattern with mode.It is assumed that then Y=11, and
And the position for the RB for wherein thering are 9 bits to be used to indicate where the first PRB set.Specifically, as shown, passing through 9 here
Bit indication goes out the initial position RB of a continuous VRBstartAnd its length LCRBs, specific RBstart=15, LCRBs=9, then 9
The corresponding RIV of a bit can be found in the part of 36.213 section 8.1.1 of TS, here for
And the embodiment is correspondingAnd based on formula following in 36.213 section 5.3.4 of TS
The f of calculationm(i)=0, i.e., resource impact does not use mirror image pattern, and the PRB serial number of each subband is arranged according to ascending order shown in Fig. 4
Column.
Wherein i is serial number of the LTE time slot of the first data of transmission in a LTE radio frames in all LTE time slots.And c
(i) pseudo random number to be generated by the 6th information.
Fig. 4 (a) is the resource allocation schematic diagram of the VRB of RIV instruction, and Fig. 4 (b) is that corresponding PRB money is distributed based on this VRB
Schematic diagram is distributed in source.As shown in Figure 4 it can be seen that, former LCRBsA continuous VRB is divided into G=2 PRB subset, and first
A PRB subset occupies RBstartPRB extremely.2nd PRB subset occupiesPRB extremely.
Embodiment 5
Embodiment 5 shows the corresponding resource of candidate PRB subset two point of candidate's PRB collection unification according to the present invention
The schematic diagram of the second pattern with mode.It is assumed that then Y=11, and
And the position for the RB for wherein thering are 9 bits to be used to indicate where the first PRB set.Specifically, as shown, passing through 9 here
Bit indication goes out the initial position RB of a continuous VRBstartAnd its length LCRBs, specific RBstart=15, LCRBs=9, then 9
The corresponding RIV of a bit can be found in the part of 36.213 section 8.1.1 of TS, here for
And the embodiment is correspondingAnd based on formula following in 36.213 section 5.3.4 of TS
The f of calculationm(i)=1, i.e., resource impact uses mirror image pattern, and the PRB serial number of each subband is arranged according to descending shown in Fig. 4.
Wherein i is serial number of the LTE time slot of the first data of transmission in a LTE radio frames in all LTE time slots.And c
(i) pseudo random number to be generated by the 6th information.
Fig. 5 (a) is the resource allocation schematic diagram of the VRB of RIV instruction, and Fig. 5 (b) is to distribute corresponding PRB based on this VRB
Resource allocation schematic diagram.As shown in Figure 5 it can be seen that, former LCRBsA continuous VRB is divided into G=2 PRB subset, and
One PRB subset occupies RBstartIt is occupied to the 2nd PRB subsetExtremely
Embodiment 6
Embodiment 6 shows the corresponding resource of candidate PRB subset three point of candidate's PRB collection unification according to the present invention
Schematic diagram with mode.It is assumed thatThen Y=11, andWherein there are 9 ratios
Spy is used to indicate the position of the RB where the first PRB set.Specifically, as shown, going out one by 9 bit indications here
The initial position RB of continuous VRBstartAnd its length LCRBs, specific RBstart=15, LCRBs=9, then 9 bits are corresponding
RIV can be found in the part of 36.213 section 8.1.1 of TS, here forHere the first letter
Cease subband number N included by the system bandwidth of instructionsb=4, then the embodiment is correspondingBy
It can see shown in Fig. 6, former LCRBsA continuous VRB, is divided into G=Nsb=4 PRB subsets, and the 1st PRB subset occupies
PRB be RBstartExtremelyThe PRB that 2nd PRB subset occupies isExtremely3rd PRB subset occupies
PRB beExtremely4th PRB
The PRB that subset occupies isExtremely
Further,
If G=Nsb=1, then the candidate PRB subset three of candidate's PRB collection unification and candidate PRB gather two resource distribution modes
It is identical.
If G=Nsb=2, then the candidate PRB subset that the candidate PRB subset three of candidate's PRB collection unification and candidate's PRB collection are unified
One method of salary distribution is identical.
If G=Nsb=3, and work as LCRBs/ G=0 or LCRBsWhen/G=1, the PRB that the 1st PRB subset occupies is RBstartExtremelyThe PRB that 2nd PRB subset occupies isExtremely3rd PRB subset
The PRB occupied isExtremely
If G=Nsb=3, and work as LCRBsWhen/G=2, the PRB that the 1st PRB subset occupies is RBstartExtremelyThe PRB that 2nd PRB subset occupies isExtremely3rd PRB subset
The PRB occupied isExtremely
If G=Nsb=4, and work as LCRBs/ G=0 or LCRBsWhen/G=1, the PRB that the 1st PRB subset occupies is RBstartExtremelyThe PRB that 2nd PRB subset occupies isExtremely3rd PRB subset occupies
PRB beExtremely4th PRB
The PRB that subset occupies isExtremely
If G=Nsb=4, and work as LCRBsWhen/G=2, the PRB that the 1st PRB subset occupies is RBstartExtremelyThe PRB that 2nd PRB subset occupies isExtremely3rd PRB subset occupies
PRB beExtremely4th PRB
Collecting the PRB occupied isExtremely
If G=Nsb=4, and work as LCRBsWhen/G=3, the PRB that the 1st PRB subset occupies is RBstartExtremelyThe PRB that 2nd PRB subset occupies isExtremely3rd PRB subset occupies
PRB beExtremely4th PRB
The PRB that subset occupies isExtremely
Embodiment 7
7 example of embodiment shows the schematic diagram of the resource distribution mode of candidate PRB set two according to the present invention.
It is assumed thatThen Y=11, andWherein there are 9 bits to be used to indicate first
The position of RB where PRB set.Specifically, as shown, going out rising for a continuous VRB by 9 bit indications here
Beginning position RBstartAnd its length LCRBs, specific RBstart=15, LCRBs=9, the then corresponding RIV (Resource of 9 bits
Indication Value, resource impact value) can be found in 36.213 section 8.1.1 of TS part, here forThen the position PRB where the first PRB set is the position PRB of its RIV instruction
It sets.I.e. similar based on non-hopping LTE PUSCH resource distribution mode 0 with existing system, the position VRB of RIV instruction is to dispatch
The position PRB.
Embodiment 8
8 example of embodiment shows the schematic diagram of the resource distribution mode of candidate PRB set three according to the present invention.
As the set based on PRB scheduled in non-hopping LTE PUSCH resource distribution mode 1 is over a slot based on the money of PRB
The source method of salary distribution.It is assumed thatThen Y=11.And Y+1=12 bit is used to indicate the first PRB set place
The position of RB.Specifically, as shown, going out two continuous RB by 12 bit indications here gathers rising for corresponding RBG
The value of combinatorial index r caused by beginning position.As shown in figure 8, the starting RBG and end RBG of RB set 1
Index s0(RBG 1) and s1The starting RBG of -1 (RBG 3) and the RB set 2 and index s for terminating RBG2(RBG 8) and s3-
1(RBG 9).The calculation formula of r is
It wherein indicates extension binomial coefficient, in A >=B, is equal to number of combinationsWherein M
=4, and wherein P is the number of RB in each RBG, value is shown in the Table 7.1.6.1- of TS 36.213
1, the RB number that downlink system bandwidth includes is changed into the RB number that up-link bandwidth includes here.On how to
S is pushed away by the way that r is counter0,s1,s2,s3, reference can be made to " the Combinatorial number system " of wikipedia.
Embodiment 9
Embodiment 9 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 Fig. 9.In attached drawing 9, base station processing unit 200 is mainly by the first module 201, the second module 202, third module 203 and
4th module 204.
First module 201: the first signaling, the transmission of first the first data of signaling scheduling are sent.
Second module 202: according to the first signaling, the first data are received in the first PRB set.First PRB set is K kind
Any one in candidate PRB set.
Wherein, the first signaling is physical layer signaling, includes the scheduling information of the first data in the first signaling.First data packet
N number of transmission block group is included, the N is positive integer, and N number of transmission block group is transmitted in N number of LTE time slot respectively.Wherein the first letter
The quantity for the bit for being used to indicate the first PRB set is enabled to be less than or equal to Y+2, the Y is for load scheduled in the first signaling
Wave, the bit number for resource block configuration and frequency hopping distribution determined according to the scheme of LTE DCI format 0.It is described to be used to indicate
The first PRB of at least 1 bit indication set is any PRB collection in K in candidate PRB set in the bit of first PRB set
It closes.Include G PRB subset in first PRB set, includes at least one PRB, G PRB in a PRB subset
Concentrate includes M PRB altogether, and the PRB in the PRB subset is continuous on frequency domain.The M is positive integer, and the G is
Positive integer.
Furthermore the first module 201 is also used to: high-level signaling is sent with determination:
The first information: subband number included by the system bandwidth of first carrier.
- the second information: the number of the PRB pair of PUCCH is used for transmission in first carrier.
And: according to given information, determine a positive integer Z.The given information includes the first information and the second information.
The given information further includes at least one of:
Third information: it is used to indicate one or two of the bit of the first PRB set bit
- the four information: serial number of the LTE time slot of the first data in a LTE radio frames in all LTE time slots is sent
- the five information: the system bandwidth of first carrier
- the six information: the corresponding Physical Cell Identifier of first carrier
Embodiment 10
Embodiment 10 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 10.In attached drawing 10, UE processing unit 300 is mainly by the first module 301, the second module 302, third module 303 and
4th module 304.
First module 301: the first signaling, the transmission of first the first data of signaling scheduling are received.
Second module 302: according to the first signaling, the first data are sent in the first PRB set.First PRB set is K kind
Any one in candidate PRB set.
Wherein, the first signaling is physical layer signaling, includes the scheduling information of the first data in the first signaling.First data packet
N number of transmission block group is included, the N is positive integer, and N number of transmission block group is transmitted in N number of LTE time slot respectively.Wherein the first letter
The quantity for the bit for being used to indicate the first PRB set is enabled to be less than or equal to Y+2, the Y is for load scheduled in the first signaling
Wave, the bit number for resource block configuration and frequency hopping distribution determined according to the scheme of LTE DCI format 0.It is described to be used to indicate
The first PRB of at least 1 bit indication set is any PRB collection in K in candidate PRB set in the bit of first PRB set
It closes.Include G PRB subset in first PRB set, includes at least one PRB, G PRB in a PRB subset
Concentrate includes M PRB altogether, and the PRB in the PRB subset is continuous on frequency domain.The M is positive integer, and the G is
Positive integer.
In addition, the first module 301 is also used to: high-level signaling is received with determination:
The first information: subband number included by the system bandwidth of first carrier.
- the second information: the number of the PRB pair of PUCCH is used for transmission in first carrier.
And: according to given information, determine a positive integer Z.The given information includes the first information and the second information.
The given information further includes at least one of:
Third information: it is used to indicate one or two of the bit of the first PRB set bit
- the four information: serial number of the LTE time slot of the first data in a LTE radio frames in all LTE time slots is sent
- the five information: the system bandwidth of first carrier
- the six information: the corresponding Physical Cell Identifier of first carrier
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 (24)
1. a kind of method in user equipment for supporting low latency to wirelessly communicate, wherein include the following steps:
Step A. receives the first signaling, the transmission of first the first data of signaling scheduling；
Step B. sends the first data in the first PRB set according to the first signaling；First PRB set is K kind candidate's PRB collection
Any one in conjunction；
Wherein, the first signaling is physical layer signaling, includes the scheduling information of the first data in the first signaling；First data include N
A transmission block group, the N are positive integers, and N number of transmission block group is transmitted in N number of LTE time slot respectively；Wherein the first signaling is used
It is less than or equal to Y+2 in the quantity for the bit for indicating the first PRB set, the Y is pressed for carrier wave scheduled in the first signaling
The bit number for resource block configuration and frequency hopping distribution determined according to the scheme of LTE DCI format 0；It is described to be used to indicate first
The first PRB of at least 1 bit indication set is any PRB set in K in candidate PRB set in the bit of PRB set；The
It include G PRB subset in one PRB set, including at least one PRB in a PRB subset, one in the G PRB subset
It altogether include M PRB, the PRB in the PRB subset is continuous on frequency domain；The M is positive integer, and the G is positive integer.
2. the method according to claim 1, wherein K kind candidate PRB set includes at least candidate's PRB collection
Unification, the Candidate Set unification includes G PRB subset, and the PRB number being spaced between the starting PRB of the G subset is one pre- true
Determine positive integer Z.
3. method described in any claim according to claim 1 or in 2, which is characterized in that the K kind candidate PRB set
Including at least at least one of:
Candidate PRB set two；
Candidate PRB set three；
Wherein candidate PRB set is second is that the set based on PRB scheduled in non-hopping LTE PUSCH resource distribution mode 0；It is candidate
PRB gathers third is that the set based on PRB scheduled in non-hopping LTE PUSCH resource distribution mode 1.
4. the method according to claim 1, wherein the K is 2, and K kind candidate's PRB collection is combined into candidate PRB collection
When unification and candidate PRB set two, compared with the DCI in LTE, the first signaling lacks the domain Frequency hopping flag.
5. according to the method described in claim 2, it is characterized in that, the step A further includes following steps:
Step A0. receives high-level signaling with determination:
The first information: subband number included by the system bandwidth of first carrier；
- the second information: the number of the PRB pair of PUCCH is used for transmission in first carrier；
Step A1. determines the Z according to given information；The given information includes the first information and the second information；
Wherein, first carrier is carrier wave scheduled in the first signaling.
6. according to the method described in claim 5, it is characterized in that, the given information further includes at least one of:
Third information: it is used to indicate one or two of the bit of the first PRB set bit；
- the four information: serial number of the LTE time slot of the first data in a LTE radio frames in all LTE time slots is sent；
- the five information: the system bandwidth of first carrier；
- the six information: the corresponding Physical Cell Identifier of first carrier.
7. 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, the transmission of first the first data of signaling scheduling；
Step B. receives the first data in the first PRB set according to the first signaling；First PRB set is K kind candidate's PRB collection
Any one in conjunction；
Wherein, the first signaling is physical layer signaling, includes the scheduling information of the first data in the first signaling；First data include N
A transmission block group, the N are positive integers, and N number of transmission block group is transmitted in N number of LTE time slot respectively；Wherein the first signaling is used
It is less than or equal to Y+2 in the quantity for the bit for indicating the first PRB set, the Y is pressed for carrier wave scheduled in the first signaling
The bit number for resource block configuration and frequency hopping distribution determined according to the scheme of LTE DCI format 0；It is described to be used to indicate first
The first PRB of at least 1 bit indication set is any PRB set in K in candidate PRB set in the bit of PRB set；The
It include G PRB subset in one PRB set, including at least one PRB in a PRB subset, one in the G PRB subset
It altogether include M PRB, the PRB in the PRB subset is continuous on frequency domain；The M is positive integer, and the G is positive integer.
8. the method according to the description of claim 7 is characterized in that K kind candidate PRB set includes at least candidate's PRB collection
Unification, the Candidate Set unification includes G PRB subset, and the PRB number being spaced between the starting PRB of the G subset is one pre- true
Determine positive integer Z.
9. the method according to any claim in claim 7 or 8, which is characterized in that the K kind candidate PRB set
Including at least at least one of:
Candidate PRB set two；
Candidate PRB set three；
Wherein candidate PRB set is second is that the set based on PRB scheduled in non-hopping LTE PUSCH resource distribution mode 0；It is candidate
PRB gathers third is that the set based on PRB scheduled in non-hopping LTE PUSCH resource distribution mode 1.
10. the method according to the description of claim 7 is characterized in that the K is 2, and K kind candidate's PRB collection is combined into candidate PRB
When collection unification and candidate PRB set two, compared with the DCI in LTE, the first signaling lacks Frequency hopping flag
Domain.
11. according to the method described in claim 8, it is characterized in that, the step A further includes following steps:
Step A0. sends high-level signaling with determination:
The first information: subband number included by the system bandwidth of first carrier；
- the second information: the number of the PRB pair of PUCCH is used for transmission in first carrier；
Step A1. determines the Z according to given information；The given information includes the first information and the second information；
Wherein, first carrier is carrier wave scheduled in the first signaling.
12. according to the method for claim 11, which is characterized in that the given information further includes at least one of:
Third information: it is used to indicate one or two of the bit of the first PRB set bit；
- the four information: serial number of the LTE time slot of the first data in a LTE radio frames in all LTE time slots is sent；
- the five information: the system bandwidth of first carrier；
- the six information: the corresponding Physical Cell Identifier of first carrier.
13. a kind of user equipment for supporting low latency to wirelessly communicate comprising:
- the first module: the first signaling, the transmission of first the first data of signaling scheduling are received；
- the second module: according to the first signaling, the first data are sent in the first PRB set；First PRB set is that K kind is candidate
PRB set in any one；
Wherein, the first signaling is physical layer signaling, includes the scheduling information of the first data in the first signaling；First data include N
A transmission block group, the N are positive integers, and N number of transmission block group is transmitted in N number of LTE time slot respectively；Wherein the first signaling is used
It is less than or equal to Y+2 in the quantity for the bit for indicating the first PRB set, the Y is pressed for carrier wave scheduled in the first signaling
The bit number for resource block configuration and frequency hopping distribution determined according to the scheme of LTE DCI format 0；It is described to be used to indicate first
The first PRB of at least 1 bit indication set is any PRB set in K in candidate PRB set in the bit of PRB set；The
It include G PRB subset in one PRB set, including at least one PRB in a PRB subset, one in the G PRB subset
It altogether include M PRB, the PRB in the PRB subset is continuous on frequency domain；The M is positive integer, and the G is positive integer.
14. the user equipment according to claim 13 for supporting low latency wireless communication, which is characterized in that the K kind is waited
It selects PRB set to include at least candidate's PRB collection to unify, the Candidate Set unification includes G PRB subset, and the starting of the G subset
The PRB number being spaced between PRB is Z.
15. the user equipment of the wireless communication of support low latency described in 3 or 14 according to claim 1, which is characterized in that the K
Kind candidate PRB set includes at least at least one of:
Candidate PRB set two；
Candidate PRB set three；
Wherein candidate PRB set is second is that the set based on PRB scheduled in non-hopping LTE PUSCH resource distribution mode 0；It is candidate
PRB gathers third is that the set based on PRB scheduled in non-hopping LTE PUSCH resource distribution mode 1.
16. the user equipment according to claim 13 for supporting low latency wireless communication, which is characterized in that the K is 2,
And K kind candidate's PRB collection, when being combined into the unification of candidate PRB collection and candidate PRB set two, compared with the DCI in LTE, the first signaling is scarce
Few domain Frequency hopping flag.
17. the user equipment according to claim 14 for supporting low latency wireless communication, which is characterized in that the first module is also
High-level signaling is received with determination:
The first information: subband number included by the system bandwidth of first carrier；
- the second information: the number of the PRB pair of PUCCH is used for transmission in first carrier；
And: according to given information, determine a positive integer Z；The given information includes the first information and the second information.
18. the user equipment according to claim 17 for supporting low latency wireless communication, which is characterized in that
The given information further includes at least one of:
Third information: it is used to indicate one or two of the bit of the first PRB set bit；
- the four information: serial number of the LTE time slot of the first data in a LTE radio frames in all LTE time slots is sent；
- the five information: the system bandwidth of first carrier；
- the six information: the corresponding Physical Cell Identifier of first carrier.
19. a kind of base station equipment for supporting low latency to wirelessly communicate comprising:
- the first module: the first signaling, the transmission of first the first data of signaling scheduling are sent；
- the second module: according to the first signaling, the first data are received in the first PRB set；First PRB set is that K kind is candidate
PRB set in any one；
Wherein, the first signaling is physical layer signaling, includes the scheduling information of the first data in the first signaling；First data include N
A transmission block group, the N are positive integers, and N number of transmission block group is transmitted in N number of LTE time slot respectively；Wherein the first signaling is used
It is less than or equal to Y+2 in the quantity for the bit for indicating the first PRB set, the Y is pressed for carrier wave scheduled in the first signaling
The bit number for resource block configuration and frequency hopping distribution determined according to the scheme of LTE DCI format 0；It is described to be used to indicate first
The first PRB of at least 1 bit indication set is any PRB set in K in candidate PRB set in the bit of PRB set；The
It include G PRB subset in one PRB set, including at least one PRB in a PRB subset, one in the G PRB subset
It altogether include M PRB, the PRB in the PRB subset is continuously that the M is positive integer on frequency domain, and the G is positive integer.
20. the base station equipment according to claim 19 for supporting low latency wireless communication, which is characterized in that the K kind is waited
It selects PRB set to include at least candidate's PRB collection to unify, the Candidate Set unification includes G PRB subset, and the starting of the G subset
The PRB number being spaced between PRB is Z.
21. according to claim 1 in 9 or 20 the wireless communication of support low latency described in any claim base station equipment,
It is characterized in that, the K kind candidate PRB set includes at least at least one of:
Candidate PRB set two；
Candidate PRB set three；
Wherein candidate PRB set is second is that the set based on PRB scheduled in non-hopping LTE PUSCH resource distribution mode 0；It is candidate
PRB gathers third is that the set based on PRB scheduled in non-hopping LTE PUSCH resource distribution mode 1.
22. the base station equipment according to claim 19 for supporting low latency wireless communication, which is characterized in that the K is 2,
And K kind candidate's PRB collection, when being combined into the unification of candidate PRB collection and candidate PRB set two, compared with the DCI in LTE, the first signaling is scarce
Few domain Frequency hopping flag.
23. the base station equipment according to claim 20 for supporting low latency wireless communication, the first module also sends high-rise letter
It enables:
The first information: subband number included by the system bandwidth of first carrier；
Second information: the number of the PRB pair of PUCCH is used for transmission in first carrier；
And: according to given information, determine a positive integer Z；The given information includes the first information and the second information.
24. the base station equipment according to claim 23 for supporting low latency wireless communication, which is characterized in that
The given information further includes at least one of:
Third information: it is used to indicate one or two of the bit of the first PRB set bit；
- the four information: serial number of the LTE time slot of the first data in a LTE radio frames in all LTE time slots is sent；
- the five information: the system bandwidth of first carrier；
- the six information: the corresponding Physical Cell Identifier of first carrier.
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| CN201510642524.5A CN106561066B (en) | 2015-10-02 | 2015-10-02 | The method and apparatus that one of wireless communication reduces network delay |
| PCT/CN2016/101239 WO2017054777A1 (en) | 2015-10-02 | 2016-09-30 | Method and device for reducing network latency in radio communication |
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| CN109756988B (en) * | 2017-11-06 | 2022-03-29 | 上海朗帛通信技术有限公司 | Method and device used in user equipment and base station for wireless communication |
| CN111602457B (en) * | 2018-02-13 | 2022-08-09 | 华为技术有限公司 | Information transmission method, communication device, and storage medium |
| CN110248411B (en) * | 2018-03-07 | 2021-03-26 | 上海朗帛通信技术有限公司 | Method and device used in user equipment and base station for wireless communication |
| CN116321512A (en) * | 2018-03-22 | 2023-06-23 | 上海朗帛通信技术有限公司 | User equipment, method and device in base station for wireless communication |
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| CN101378289A (en) * | 2008-09-23 | 2009-03-04 | 中兴通讯股份有限公司 | Method and apparatus for denoting physical resource |
| CN101978645A (en) * | 2008-03-26 | 2011-02-16 | 高通股份有限公司 | Method and apparatus for mapping virtual resources to physical resources in a wireless communication system |
| CN103081385A (en) * | 2010-09-14 | 2013-05-01 | Lg电子株式会社 | Method and device for uplink resource allocation |
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| US9769806B2 (en) * | 2012-01-17 | 2017-09-19 | Texas Instruments Incorporated | Resource configuration for EPDCCH |
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| CN101978645A (en) * | 2008-03-26 | 2011-02-16 | 高通股份有限公司 | Method and apparatus for mapping virtual resources to physical resources in a wireless communication system |
| CN101378289A (en) * | 2008-09-23 | 2009-03-04 | 中兴通讯股份有限公司 | Method and apparatus for denoting physical resource |
| CN103081385A (en) * | 2010-09-14 | 2013-05-01 | Lg电子株式会社 | Method and device for uplink resource allocation |
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