CN110072217A - The method and apparatus of the narrow band communication of Cellular Networks - Google Patents
The method and apparatus of the narrow band communication of Cellular Networks Download PDFInfo
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- CN110072217A CN110072217A CN201910380200.7A CN201910380200A CN110072217A CN 110072217 A CN110072217 A CN 110072217A CN 201910380200 A CN201910380200 A CN 201910380200A CN 110072217 A CN110072217 A CN 110072217A
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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
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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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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- 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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Abstract
The invention discloses the method and apparatus of the communication of Cellular Networks.As one embodiment, UE sends the first information first, then sends the first wireless signal.Wherein, the first information is used for determining that the first subframe space, first subframe space include one or more sub-frame set, the sub-frame set is made of the Q subframe subsets, the subframe subset is made of P subframe, and the P is greater than 1 positive integer, and the Q is positive integer.First wireless signal transmits in a sub-frame set.The present invention reduces saving the occupied interface-free resources of the first information, and reduce the time-domain resource reserved by timing adjustment amount, improves efficiency of transmission.In addition, the invention avoids D2D transmission is abandoned, further increasing efficiency of transmission when timing adjustment amount is greater than the duration of 1 SC-FDMA.
Description
The application is the divisional application of following original application:
-- the applying date of original application: on 03 24th, 2016
-- the application number of original application: 201610171083.X
-- a kind of invention and created name of original application: method and apparatus of the narrow band communication of Cellular Networks
Technical field
The present invention relates to the transmission plans of wireless communication, more particularly to support D2D (Device to Device, device
To device) wireless communication method and apparatus.
Background technique
In traditional third generation cooperative partner program (3GPP-3rd Generation Partner Project) system,
Data transmission occurs between base station and user equipment (UE-User Equipment).In 3GPP R (Release, publication) 12
In, D2D is set up the project and is discussed, the essential characteristic of D2D is allowed between UE (User Equipment, user equipment)
Data transmission.In 3GPP R13, eD2D (Enhancements to LTE Device to Device) is set up the project, main
Feature is to introduce UE relaying (Relay) function.
In 3GPP RAN (Radio Access Network, wireless access network) #69 plenary session, NB-IOT
(NarrowBand Internet of Things, narrowband Internet of Things) is set up the project.NB-IOT supports 3 kinds of different operational modes
(RP-151621):
1. independent (Stand-alone) operation, is disposed on the frequency spectrum that GERAN system uses.
2. protection band is run, do not make in the protection band of LTE (Long Term Evolution, long term evolution) carrier wave
It is disposed on resource block
3. being disposed on the resource block on LTE carrier wave with interior operation
Further, in RAN#71 plenary session of 3GPP (RP-160655), for the FeD2D of IoT and wearable device
(Further Enhancements to LTE Device to Device, LTE D2D's further enhances) is set up the project.
In FeD2D, D2D communication may be realized by the air interface of similar NB-IoT.
In LTE D2D and eD2D, the scheduling of time-domain resource is using subframe as basic unit.In addition, D2D transmission is all kept away every time
Exempt from using the last one SC-FDMA (Single-carrier Frequency-Division Multiple in LTE subframe
Access, single-carrier frequency division multiple access) symbol.The last one SC-FDMA symbol is reserved for required for potential uplink
Time adjustment amount (Timing Adjust Amount).
Summary of the invention
Inventors discovered through research that D2D communicates occupied smaller bandwidth, correspondingly, one in the FeD2D of IoT
Secondary D2D sends occupied time-domain resource and is likely larger than a subframe.Therefore, using subframe as the tune of the time-domain resource of basic unit
Degree is not suitable for FeD2D, and new solution needs are suggested.Further, due to reserving the last one SC- in subframe
The scheme of FDMA symbol leads to the decline of efficiency of transmission, and the scheme needs of optimization are suggested.
The present invention, aiming to the above problems, provides solutions.It should be noted that in the absence of conflict, the application
Embodiment and embodiment in feature can arbitrarily be combined with each other.For example, UE (User Equipment, the user of the application
Equipment) in embodiment and embodiment in feature can be applied in base station, vice versa.In another example the D2D of the application is sent out
It send the feature in embodiment and embodiment in UE to can be applied to D2D to receive in UE, vice versa.Further, although originally
The motivation of application is for narrow band transmission, and the application is still suitable for broadband transmission.
Support device to the method in the UE of device the invention discloses a kind of, wherein to include the following steps:
Step A. sends the first information, and the first information is used for determining the first subframe space
Step B. sends the first wireless signal.
Wherein, first subframe space includes one or more sub-frame set, and the sub-frame set is described by Q
Subframe subset composition, the subframe subset are made of P subframe, and the P is greater than 1 positive integer, and the Q is positive integer.Institute
The first wireless signal is stated to transmit in a sub-frame set.
In the above method, basic time unit scheduled in the first information is the sub-frame set, i.e. Q subframe subset.
The above method saves the occupied interface-free resources of the first information.
As one embodiment, the target receiver of first wireless signal is terminal.
As one embodiment, the first information is indicated by physical layer signaling.
It is indicated as one embodiment first information by high-level signaling.
As one embodiment, the first information is by SCI (Sidelink Control Information, other row control letter
Breath) instruction.
As one embodiment, the first information is (i.e. heavy as indicated by the domain Time resource pattern in SCI 0
Newly define the corresponding bit in the domain Time resource pattern).
As one embodiment, the first information is by DCI (Dynamic Control Information, dynamic control letter
Breath) instruction.
As one embodiment, the first information is indicated by DCI format 5.
As one embodiment, the primary transmission of the corresponding transmission block of first wireless signal.
As one embodiment, the multiplicating (Repetition) of the corresponding transmission block of first wireless signal
It sends.As a sub- embodiment, it is continuous that the multiplicating of one transmission block, which sends occupied time-domain resource,.
As one embodiment, the Q is 1, one once sent of the corresponding transmission block of first wireless signal
Partially (the primary transmission of i.e. one transmission block occupies multiple sub-frame sets).
As one embodiment, the P subframe is continuous in time-domain.
As one embodiment, subframe in the Q subframe subsets is continuous in time-domain.
As one embodiment, occupied bandwidth is no more than 180kHz to first wireless signal at any time
(kilohertz, kHz).
As one embodiment, being used to indicate the wireless signal of the first information, occupied bandwidth is not at any time
More than 180kHz.
As one embodiment, the corresponding transmission channel of the first wireless signal is SL-SCH (Sidelink Shared
Channel, other row share channel).
As one embodiment, the first wireless signal transmits on physical layer control channel.
As one embodiment, the first wireless signal PSSCH (Physical Sidelink Shared Channel,
Row shares channel by physics) on transmit.
As one embodiment, the first wireless signal PSCCH (Physical Sidelink Control Channel,
Row control channel by physics) on transmit.
As one embodiment, the P is even number.
As one embodiment, the P is 2 positive integer power.
As one embodiment, the Q is even number.
As one embodiment, the Q is 2 positive integer power.
As one embodiment, the product of the P and the Q are even numbers.
As one embodiment, the product of the P and the Q are 2 positive integer power.
As one embodiment, the P is constant.
As one embodiment, the Q is constant.
As one embodiment, earliest subframe in the occupied subframe subset, the UE assumes its (i.e. institute
State UE) the transmission up-link wireless signal in the occupied subframe subset will not be dispatched by (base station).
As one embodiment, once start to send first wireless signal in the occupied subframe subset,
The UE assume its (i.e. described UE) will not by (base station) dispatch in the occupied subframe subset send uplink without
Line signal.
In traditional LTE scheme, the priority that uplink is sent is sent higher than D2D, and in FeD2D, it is upper in a subframe
Row sends the failure (such as transmitting for Single-Tone) that may cause the D2D in a subframe subset and send and therefore passes
The scheme of system will lead to the significant decrease of efficiency of transmission.Above-mentioned two embodiment avoids the UE and abandons because uplink is sent
(Drop) D2D is sent.
Specifically, according to an aspect of the present invention, which is characterized in that the first information is the first bit diagram, described
First bit diagram is made of V1 bit, and the V1 is positive integer.It is j to stator frame for the index value in a subframe group
Gather, gives whether sub-frame set belongs to the first subframe sky described in i-th bit indication in first bit diagram
Between.The i is that the j divided by the resulting remainder of the V1 adds 1.The index value of the sub-frame set in the subframe group
1 is successively increased according to chronological order, the index value of first sub-frame set in the subframe group is 0.
It is described to give stator frame collection if i-th of bit in first bit diagram is 1 as one embodiment
Conjunction belongs to first subframe space；If i-th of bit in first bit diagram is 0, described to give stator frame collection
Conjunction is not belonging to first subframe space.
As one embodiment, the subframe group is the interval PSCCH (period).
As one embodiment, the subframe group is that the subframe of PSSCH is kept in the interval PSCCH (period)
Pond.
As one embodiment, the subframe group is the subframe by keeping for PSSCH in an interval PSCCH (period)
A part of subframe in pond is formed.
As one embodiment, the subframe group includes being removed except preceding T subframe in the interval PSCCH (period)
All subframes, the T are positive integers.As a sub- embodiment, the preceding T subframe is reserved for PSCCH.As a son
Embodiment, the T are the length of bit diagram saSubframeBitmap indicated by PSCCH resource distribution.It is real as a son
Example is applied, the T is the bit number in the domain subframeBitmap-r12.
As one embodiment, the subframe group is configured by downlink high-level signaling.
As one embodiment, the subframe group is voluntarily determined by the UE.
As one embodiment, the subframe group is configured by other row (Sidelink) high-level signaling.
Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following steps:
Step A0. sends the second information, and the second information indicates the occupied bandwidth of the first wireless signal, and the P,
The Q } at least one of and second information be relevant.
As one embodiment, above-mentioned aspect saves the empty overhead for configuring the P and the Q.
As one embodiment, the second information indicates the quantity of the occupied subcarrier of the first wireless signal.
As one embodiment, the P is by the second information implicit instruction.
As one embodiment, the Q is mapped one by one with the P.
As one embodiment, if the second information indicates the first bandwidth and the P is P1；If the second information instruction the
Two bandwidth and the P are P2.The P1 is greater than the P2, and the first bandwidth is less than the second bandwidth.It is described as a sub- embodiment
First bandwidth is 2.5kHz, and second bandwidth is one in { 15kHz, 45kHz, 90kHz, 180kHz }.As a son
Embodiment, first bandwidth is 15kHz, and second bandwidth is one in { 45kHz, 90kHz, 180kHz }.
Above-described embodiment, which avoids, designs excessive TBS (Transport Block Size, transport block size).
As one embodiment, the second information is indicated by physical layer signaling.
As one embodiment, the first information and the second information are as indicated by the same SCI.
As one embodiment, the first information and the second information are as indicated by SCI 0.
As one embodiment, the second information is by the Resource block assignment and in SCI 0
(the Resource block assignment is redefined indicated by the domain hopping resource allocation
The corresponding bit in the domain and hopping resource allocation).
Specifically, according to an aspect of the present invention, which is characterized in that occupied for (by first wireless signal)
Subframe, if the occupied subframe is the last subframe in the subframe subset, occupied by first wireless signal
Time do not include the last one multicarrier symbol in the occupied subframe duration.If the occupied son
Frame is the subframe except the last subframe in the subframe subset, and the first wireless signal occupied time includes the institute
The duration of the last one multicarrier symbol in the subframe of occupancy.
Compared to traditional D2D/eD2D, reserved multicarrier symbol as few as possible in above-mentioned aspect, therefore have higher
Efficiency of transmission.In addition, in above-mentioned aspect, the fixed last son for avoiding occupying the subframe subset of first wireless signal
The duration of the last one multicarrier symbol in frame does not need additional signal deployment, reduces empty overhead.
As one embodiment, the resource that the mode of punching (Puncturing) is applied to first wireless signal is reflected
It penetrates, to avoid the duration of the last one multicarrier symbol in the last subframe for occupying the subframe subset.
As one embodiment, the Q is 1.In the present embodiment, the sub-frame set is the subframe subset.It is i.e. described
The period of basic time unit scheduled in the first information and punching is consistent.The present embodiment is particularly suitable for first nothing
The scene of the occupied broader bandwidth of line signal.
As one embodiment, the Q is greater than 1.In the present embodiment, the sub-frame set includes multiple subframe
Collection.Basic time unit scheduled in the i.e. described first information is greater than the period of punching.The present embodiment is particularly suitable for described
The scene of the occupied narrower bandwidth of one wireless signal.
As one embodiment, once start to send first wireless signal in the occupied subframe subset,
The UE assume its (i.e. described UE) will not by (base station) dispatch in the occupied subframe subset send uplink without
Line signal.
As one embodiment, the multicarrier symbol is SC-FDMA symbol.
As one embodiment, the multicarrier symbol is OFDM symbol.
As one embodiment, the multicarrier symbol is SCMA symbol.
As one embodiment, the duration of the last one multicarrier symbol is 2192Ts, and the Ts is 1/
30720 milliseconds.
As one embodiment, the duration of the last one multicarrier symbol is 2208Ts, and the Ts is 1/
30720 milliseconds.
Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following steps:
Step A1. sends third information.
Wherein, first wireless signal occupied time and third information in the last subframe of the subframe subset
It is related.
As one embodiment, first wireless signal is occupied in the last subframe of the subframe subset
Time does not include the duration of last L multicarrier symbol, and the L is positive integer.The third information indicates the L.Make
For a sub- embodiment, the L is implicitly configured by timing advance order (timing advance command), described fixed
When advance command instruction timing adjustment (Timing Adjustment) amount (amount).The timing adjustment amount is less than L overloading
The duration of wave symbol, more than or equal to the duration of L-1 multicarrier symbol.
For D2D/eD2D, when timing adjustment amount is greater than the duration of a SC-FDMA symbol, in corresponding subframe
D2D transmission is abandoned.And in above-described embodiment, the period of time domain punching is subframe subset, is based on receivable decoding performance, institute
Punching (puncturing) more in time-domain resource can be born by stating the first wireless signal.Above-mentioned aspect, which avoids, to be abandoned
D2D is sent, and improves efficiency of transmission.
Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following steps:
Step A2. sends the 4th information.
Wherein, the 4th information is indicated by high-level signaling, and the 4th information is used for determining { P, the Q, institute
At least one of state subframe group }.
As one embodiment, the 4th information is by the IE of SL-TF-ResourceConfig-r12 format
(Information Element, information unit) is indicated.
As one embodiment, the 4th information includes all or part of letter in SL-CommResourcePool
Breath.
As one embodiment, the 4th information includes the P.
As one embodiment, the 4th information includes the Q.
As one embodiment, at least have one to stator frame, the first subframe described to before stator frame, the second son
For frame described to after stator frame, the first subframe and the second subframe belong to the subframe group, it is described be not belonging to stator frame it is described
Subframe group.
When the P is excessive, above-described embodiment can ensure that the UE obtains the chance that uplink is sent.
Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following steps:
Step A3. receives downlink signaling group.
Wherein, the downlink signaling group instruction first information, second information, the third information, described the
At least one of four information }.The downlink signaling group include { K1 physical layer signaling, K2 top signaling } at least it
One.The K1 and K2 is positive integer respectively.
As one embodiment, the physical layer signaling is DCI.
As one embodiment, the top signaling is RRC (Radio Resource Control, wireless heterogeneous networks)
Signaling or MAC (Medium Access Control, media access control) layer signaling.
As one embodiment, the K1 is 1.
As one embodiment, the K2 is 1.
As one embodiment, the K2 is greater than 1.
Support device to the method in the UE of device the invention discloses a kind of, wherein to include the following steps:
Step A. receives the first information, and the first information is used for determining the first subframe space
Step B. receives the first wireless signal.
Wherein, first subframe space includes one or more sub-frame set, and the sub-frame set is described by Q
Subframe subset composition, the subframe subset are made of P subframe, and the P is greater than 1 positive integer, and the Q is positive integer.Institute
The first wireless signal is stated to transmit in a sub-frame set.The sender of first wireless signal is terminal.
Specifically, according to an aspect of the present invention, which is characterized in that the first information is the first bit diagram, described
First bit diagram is made of V1 bit, and the V1 is positive integer.It is j to stator frame for the index value in a subframe group
Gather, gives whether sub-frame set belongs to the first subframe sky described in i-th bit indication in first bit diagram
Between.The i is that the j divided by the resulting remainder of the V1 adds 1.The index value of the sub-frame set in the subframe group
1 is successively increased according to chronological order, the index value of first sub-frame set in the subframe group is 0.
Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following { step A0, step
Rapid A1, step A2 } at least one step:
Step A0. receives the second information, and the second information indicates the occupied bandwidth of the first wireless signal, and the P,
The Q } at least one of and second information be relevant.
Step A1. receives third information.Wherein, first wireless signal is in the last subframe of the subframe subset
The occupied time is related to third information.
Step A2. receives the 4th information.Wherein, the 4th information is indicated by high-level signaling, the 4th information by with
In at least one of determination { P, the Q, the subframe group }.
Specifically, according to an aspect of the present invention, which is characterized in that for occupied subframe, if described shared
Subframe is the last subframe in the subframe subset, and the first wireless signal occupied time does not include described shared
The duration of the last one multicarrier symbol in subframe.If the occupied subframe is in the subframe subset
Subframe except last subframe, the first wireless signal occupied time includes the last one in the occupied subframe
The duration of multicarrier symbol.
Support device to the method in the base station of device the invention discloses a kind of, wherein to include the following steps:
Step A. sends the first information, and the first information is used for determining the first subframe space
Wherein, first subframe space includes one or more sub-frame set, and the sub-frame set is described by Q
Subframe subset composition, the subframe subset are made of P subframe, and the P is greater than 1 positive integer, and the Q is positive integer.Institute
It states the first wireless signal to transmit in a sub-frame set, the sender of first wireless signal is terminal.
Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following steps:
Step A3. sends downlink signaling group.
Wherein, in the downlink signaling group instruction { first information, the second information, third information, the 4th information }
At least one.The downlink signaling group includes at least one of { K1 physical layer signaling, K2 top signaling }.The K1
It is positive integer respectively with the K2.Wherein, the second information indicates the occupied bandwidth of the first wireless signal, { P, institute
State Q } at least one of and second information be relevant；Last son of first wireless signal in the subframe subset
The occupied time is related to third information in frame；4th information is indicated that the 4th information is used for by high-level signaling
Determine at least one of { P, the Q, described subframe group }.
Specifically, according to an aspect of the present invention, which is characterized in that the first information is the first bit diagram, described
First bit diagram is made of V1 bit, and the V1 is positive integer.It is j to stator frame for the index value in a subframe group
Gather, gives whether sub-frame set belongs to the first subframe sky described in i-th bit indication in first bit diagram
Between.The i is that the j divided by the resulting remainder of the V1 adds 1.The index value of the sub-frame set in the subframe group
1 is successively increased according to chronological order, the index value of first sub-frame set in the subframe group is 0.
Specifically, according to an aspect of the present invention, which is characterized in that for occupied subframe, if described shared
Subframe is the last subframe in the subframe subset, and the first wireless signal occupied time does not include described shared
The duration of the last one multicarrier symbol in subframe.If the occupied subframe is in the subframe subset
Subframe except last subframe, the first wireless signal occupied time includes the last one in the occupied subframe
The duration of multicarrier symbol.
The invention discloses a kind of user equipmenies for supporting device to device, wherein including following module:
First sending module: for sending the first information, the first information is used for determining the first subframe space
Second sending module: for sending the first wireless signal.
Wherein, first subframe space includes one or more sub-frame set, and the sub-frame set is described by Q
Subframe subset composition, the subframe subset are made of P subframe, and the P is greater than 1 positive integer, and the Q is positive integer.Institute
The first wireless signal is stated to transmit in a sub-frame set.
As one embodiment, above-mentioned user equipment is characterized in that, for occupied subframe, if described occupied
Subframe be last subframe in the subframe subset, the first wireless signal occupied time does not include described occupied
Subframe in the last one multicarrier symbol duration.If the occupied subframe be in the subframe subset most
Subframe except subframe afterwards, the first wireless signal occupied time include that the last one in the occupied subframe is more
The duration of symbols.
As one embodiment, above-mentioned user equipment is characterized in that, the first information is the first bit diagram, described
One bit diagram is made of V1 bit, and the V1 is positive integer.Stator frame collection is given for the index value in a subframe group for j
It closes, gives whether sub-frame set belongs to first subframe space described in i-th of bit indication in first bit diagram.Institute
Stating i is that the j divided by the resulting remainder of the V1 adds 1.The index value of the sub-frame set in the subframe group according to
Chronological order successively increases 1, and the index value of first sub-frame set in the subframe group is 0.
As one embodiment, above-mentioned user equipment is characterized in that, the first sending module is also used at least one of:
- sends the second information, and the second information indicates the occupied bandwidth of the first wireless signal, and the P, it is described
Q } at least one of and second information be relevant.
- sends third information.Wherein, first wireless signal is occupied in the last subframe of the subframe subset
Time it is related to third information.
- sends the 4th information.Wherein, the 4th information is indicated by high-level signaling, and the 4th information is used for determining
At least one of { P, the Q, described subframe group }.
- receives downlink signaling group.Wherein, the downlink signaling group indicates { first information, second information, institute
At least one of state third information, the 4th information }.The downlink signaling group includes { K1 physical layer signaling, on K2 is a
At least one of layer signaling }.The K1 and K2 is positive integer respectively.
As one embodiment, above-mentioned user equipment further include:
First receiving module: for receiving downlink signaling group.
Wherein, the downlink signaling group instruction first information, second information, the third information, described the
At least one of four information }.The downlink signaling group include { K1 physical layer signaling, K2 top signaling } at least it
One.The K1 and K2 is positive integer respectively.
The invention discloses a kind of user equipmenies for supporting device to device, wherein including following module:
Second receiving module: for receiving the first information, the first information is used for determining the first subframe space
Third receiving module: for receiving the first wireless signal.
Wherein, first subframe space includes one or more sub-frame set, and the sub-frame set is described by Q
Subframe subset composition, the subframe subset are made of P subframe, and the P is greater than 1 positive integer, and the Q is positive integer.Institute
The first wireless signal is stated to transmit in a sub-frame set.The sender of first wireless signal is terminal.
As one embodiment, above-mentioned user equipment is characterized in that, for occupied subframe, if described occupied
Subframe be last subframe in the subframe subset, the first wireless signal occupied time does not include described occupied
Subframe in the last one multicarrier symbol duration.If the occupied subframe be in the subframe subset most
Subframe except subframe afterwards, the first wireless signal occupied time include that the last one in the occupied subframe is more
The duration of symbols.
As one embodiment, above-mentioned user equipment is characterized in that, the first information is the first bit diagram, described
One bit diagram is made of V1 bit, and the V1 is positive integer.Stator frame collection is given for the index value in a subframe group for j
It closes, gives whether sub-frame set belongs to first subframe space described in i-th of bit indication in first bit diagram.Institute
Stating i is that the j divided by the resulting remainder of the V1 adds 1.The index value of the sub-frame set in the subframe group according to
Chronological order successively increases 1, and the index value of first sub-frame set in the subframe group is 0.
As one embodiment, above-mentioned user equipment is characterized in that, the second receiving module is also used at least one of:
- receives the second information, and the second information indicates the occupied bandwidth of the first wireless signal, and the P, it is described
Q } at least one of and second information be relevant.
- receives third information, determines first wireless signal in the last son of the subframe subset according to third information
The occupied time in frame.
- receive the 4th information, according to the 4th information determine { P, the Q, the subframe group } at least it
One.Wherein, the 4th information is indicated by high-level signaling.
The invention discloses a kind of base station equipments for supporting device to device, wherein including following module:
Third sending module: for sending the first information, the first information is used for determining the first subframe space
Wherein, first subframe space includes one or more sub-frame set, and the sub-frame set is described by Q
Subframe subset composition, the subframe subset are made of P subframe, and the P is greater than 1 positive integer, and the Q is positive integer.Institute
It states the first wireless signal to transmit in a sub-frame set, the sender of first wireless signal is terminal.
As one embodiment, above-mentioned base station equipment is characterized in that, for occupied subframe, if described occupied
Subframe be last subframe in the subframe subset, the first wireless signal occupied time does not include described occupied
Subframe in the last one multicarrier symbol duration.If the occupied subframe be in the subframe subset most
Subframe except subframe afterwards, the first wireless signal occupied time include that the last one in the occupied subframe is more
The duration of symbols.
As one embodiment, above-mentioned base station equipment is characterized in that, the first information is the first bit diagram, described
One bit diagram is made of V1 bit, and the V1 is positive integer.Stator frame collection is given for the index value in a subframe group for j
It closes, gives whether sub-frame set belongs to first subframe space described in i-th of bit indication in first bit diagram.Institute
Stating i is that the j divided by the resulting remainder of the V1 adds 1.The index value of the sub-frame set in the subframe group according to
Chronological order successively increases 1, and the index value of first sub-frame set in the subframe group is 0.
As one embodiment, above-mentioned base station equipment is characterized in that, the second sending module is also used to send downlink signaling
Group.Wherein, in downlink signaling group instruction { first information, the second information, third information, the 4th information } at least it
One.The downlink signaling group includes at least one of { K1 physical layer signaling, K2 top signaling }.The K1 and K2
It is positive integer respectively.Wherein, the second information indicates the occupied bandwidth of the first wireless signal, in { P, the Q }
At least one and second information be relevant；First wireless signal is shared in the last subframe of the subframe subset
Time is related to third information；4th information is indicated that the 4th information is used for determining { described by high-level signaling
At least one of P, the Q, the subframe group }.
Compared to existing public technology, the present invention has following technical advantage:
- saves the occupied interface-free resources of the first information
- reduces the time-domain resource reserved by timing adjustment amount, improves efficiency of transmission
It when-timing adjustment amount is greater than the duration of 1 SC-FDMA, avoids and abandons D2D transmission, improve transmission effect
Rate.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other
Feature, objects and advantages will become more apparent:
Fig. 1 shows the flow chart of D2D communication according to an embodiment of the invention；
Fig. 2 shows the flow charts of transmitting scheduling information according to an embodiment of the invention；
Fig. 3 shows the schematic diagram of the second information according to an embodiment of the invention；
Fig. 4 shows the schematic diagram of subframe group according to an embodiment of the invention；
Fig. 5 shows two adjacent discontinuous schematic diagrames of sub-frame set according to an embodiment of the invention；
Fig. 6 shows the schematic diagram of sub-frame set according to one embodiment of present invention；
Fig. 7 shows the schematic diagram of subframe subset according to one embodiment of present invention；
Fig. 8 shows the structural block diagram of the processing unit in UE according to an embodiment of the invention；
Fig. 9 shows the structural block diagram of the processing unit in UE according to still another 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 the flow chart of D2D communication, as shown in Fig. 1.In attached drawing 1, base station N1 is the service of UE U2
The step of maintenance base station of cell, base station N1 is the maintenance base station of the serving cell of UE U3, identifies in box F1 is optional.
ForBase station N1, downlink signaling group is sent in step slo.
ForUE U2, the downlink signaling group is received in step S20；Send the first information in the step s 21, first
Information is used for determining the first subframe space；The first wireless signal is sent in step S22.
ForUE U3, the first information is received in step S31, according to the configuration including the first information
Information determines first subframe space.First wireless signal is received in step s 32.
In embodiment 1, first subframe space includes multiple sub-frame sets, and the sub-frame set is by the Q sons
Frame subset composition, the subframe subset are made of P subframe, and the P is greater than 1 positive integer, and the Q is positive integer.It is described
First wireless signal transmits in a sub-frame set.The downlink signaling group includes { K1 physical layer signaling, K2 upper layer letter
At least one of both enable.The K1 and K2 is positive integer respectively.The downlink signaling group includes first letter
Breath.
As the sub- embodiment 1 of embodiment 1, the first information received by UE U2 is by the downlink signaling group
A physical layer signaling instruction.
As the sub- embodiment 2 of embodiment 1, the first information transmitted by UE U2 is indicated by SCI.
As the sub- embodiment 3 of embodiment 1, the first information is the first bit diagram, and first bit diagram is by V1
Bit b0 b1 … bV1-1Composition, the V1 is positive integer.Stator frame collection is given for the index value in a subframe group for j
It closes, the bit b in first bit diagramjmodV1Indicate whether the given sub-frame set belongs to first subframe space.Institute
Stating jmodV1 is the j divided by the resulting remainder of the V1.The index value of the sub-frame set in the subframe group is pressed
Successively according to chronological order are as follows: 012 ....
As the sub- embodiment 4 of embodiment 1, above-mentioned subframe group is the son reserved in the interval PSCCH by PSSCH
Frame pond.
Embodiment 2
Embodiment 2 illustrates the flow chart of transmitting scheduling information, as shown in Fig. 2.In attached drawing 2, UE U2 is first wireless
The sender of signal.First wireless signal transmits in Q subframe subset, and the Q is positive integer.The subframe subset by
P subframe composition, the P are greater than 1 positive integer.
For UE U2, scheduling information is sent in step S210.For UE U3, the tune is received in step S310
Spend information.
In embodiment 2, the scheduling information includes at least one of { the second information, third information, the 4th information }.Its
In, the second information indicates the occupied bandwidth of the first wireless signal, at least one of { P, described Q } and described
The occupied bandwidth of first wireless signal is relevant；First wireless signal institute in the last subframe of the subframe subset
The time of occupancy is related to third information；4th information is by high-level signaling (i.e. top signaling) instruction, the 4th information
It is used for determining at least one of { P, the Q, described subframe group }.
As the sub- embodiment 1 of embodiment 2, UE U2 receives downlink signaling group, and the downlink signaling group indicates the scheduling
Information.The downlink signaling group includes at least one of both { K1 physical layer signaling, K2 top signaling }.The K1 and
The K2 is positive integer respectively.The downlink signaling group includes the first information.
One sub- embodiment of the sub- embodiment 1 as embodiment 2, second information is by the downlink signaling group
Physical layer signaling instruction.Second information is indicated by the high-level signaling in the downlink signaling group.
As the sub- embodiment 2 of embodiment 2, the corresponding transmission channel of first wireless signal is SL-SCH, the son
Frame group is made of the subframe except T subframe before removing in the interval PSCCH, and the T is positive integer.4th information includes
{ the subframe relevant information of the starting at the interval PSCCH, the quantity of the subframe in the interval PSCCH, the related letter of the T
Breath }.
As the sub- embodiment 3 of embodiment 2, the corresponding transmission channel of first wireless signal is SL-SCH, the son
Frame group is made of the sub-frame set except T subframe before removing in the interval PSCCH.4th information includes { between the PSCCH
Every starting subframe relevant information, the quantity of the subframe in the interval PSCCH, the relevant information of the T }.
As one embodiment, the starting subframe relevant information of the subframe group is the starting subframe of the subframe group
Subframe index divided by the subframe in the subframe group the resulting remainder of quantity.The subframe index is relative to correspondence
Subframe #0 or the subframe index in the radio frames of SFN (System Frame Number, System Frame Number) 0 are opposite
Subframe #0 in the radio frames of corresponding DFN (Direct Frame Number, direct frame number) 0.
Embodiment 3
Embodiment 3 illustrates the schematic diagram of the second information, as shown in Fig. 3.
In embodiment 3, the second information indicates the occupied bandwidth of the first wireless signal.The quantity of subframe in subframe subset
The P and quantity Q of the subframe subset in sub-frame set is mapped one by one with the occupied bandwidth of the first wireless signal.
As the sub- embodiment 1 of embodiment 3, the second information indicates the occupied sub-carrier number of the first wireless signal, first
The occupied bandwidth of wireless signal is equal to subcarrier spacing multiplied by the occupied sub-carrier number of the first wireless signal.The subcarrier
Interval is predefined, or fixed, or by high-level signaling configuration.
Embodiment 4
Embodiment 4 illustrates the schematic diagram of subframe group, as shown in Fig. 4.In attached drawing 4, the grid mark of vertical line filling
PSCCH subframe pond, the remaining subframe of grid mark (one or more) of horizontal line filling.Bold box grid identifies a subframe collection
It closes.In embodiment 4, PSCCH subframe pond is that optionally, the residue subframe is optional.
In embodiment 4, a subframe group is made of multiple continuous sub-frame sets.
As the sub- embodiment 1 of embodiment 4, the subframe group belongs to the interval PSCCH.The interval PSCCH includes
Positioned at the subframe pond for keeping for PSCCH on head, as four-headed arrow R1 is identified.
As the sub- embodiment 2 of embodiment 4, the subframe group belongs to the interval PSCCH.The interval PSCCH includes
The subframe pond for keeping for PSCCH positioned at head and the remaining subframe of (one or more) positioned at tail portion, such as four-headed arrow
R2 is identified.Number of the number of the residue subframe less than the subframe in a sub-frame set.The son of the embodiment 4
Embodiment 2 is suitable for the scene that PSSCH subframe pond cannot be split into the positive integer sub-frame set.The embodiment 4
The advantages of sub- embodiment 2, is that FeD2D can reuse the design of existing D2D as far as possible, keeps good compatibility.
Embodiment 5
Embodiment 5 illustrates two adjacent discontinuous schematic diagrames of sub-frame set, as shown in Fig. 5.In attached drawing 5, slightly
Line grid identifies sub-frame set, (one or more) subframe except the grid mark subframe group of cross spider filling.
In embodiment 5, sub-frame set #1 and sub-frame set #2 belong to the same subframe group, and the subframe of cross spider mark is not
Belong to the same subframe group.
As the sub- embodiment 1 of embodiment 5, the subframe of the cross spider mark is sub-frame of uplink.
As the sub- embodiment 2 of embodiment 5, the position of the subframe of the cross spider mark is configurable.
As the sub- embodiment 3 of embodiment 5, the position of the subframe of cross spider mark is default (not need letter
Enable explicit configuration).
Embodiment 6
Embodiment 6 illustrates the schematic diagram of sub-frame set, as shown in Fig. 6.In attached drawing 6, thick line grid identifies subframe
Collection, the grid of backslash filling identify the unappropriated time-domain resource of the first wireless signal institute.
In embodiment 6, subframe subset # { 0,1 ..., Q-1 } forms a sub-frame set.First wireless signal is in institute
It states in sub-frame set and transmits.First wireless signal occupied time domain in the last one subframe in each subframe subset
Resource does not include the duration of last L SC-FDMA symbol.The L is positive integer.
As the sub- embodiment 1 of embodiment 6, timing received by the transmission UE of the L and first wireless signal
Advance command is related.
As the sub- embodiment 2 of embodiment 6, the L is fixed as 1.
Embodiment 7
Embodiment 7 illustrates the schematic diagram of subframe subset, as shown in Fig. 7.In attached drawing 7, thick line grid identifies the first nothing
The occupied time-domain resource of line signal, the grid of backslash filling identify the unappropriated time-domain resource of the first wireless signal institute.
In embodiment 7, subframe # { 0,1 ..., P-1 } forms a subframe subset.Last L in subframe # (P-1) are more
The duration of symbols is not occupied by the first wireless signal.The L is positive integer.
Embodiment 8
Embodiment 8 illustrates the structural block diagram of the processing unit in a UE, as shown in Fig. 8.In attached drawing 8, UE processing
Device 200 is mainly by the first receiving module 201, the first sending module 202 and the second sending module 203 composition.Wherein, it first connects
It is optional for receiving module 201.
First receiving module 201 is for receiving downlink signaling group；First sending module 202 is used to send the first information, the
One information is used for determining the first subframe space；Second sending module 203 is for sending the first wireless signal.
In embodiment 8, first subframe space includes one or more sub-frame set, and the sub-frame set is by Q
A subframe subset composition, the subframe subset are made of P subframe, and the P is greater than 1 positive integer, and the Q is just whole
Number.First wireless signal transmits in a sub-frame set.The downlink signaling group indicates the first information.Under described
Row signaling group includes K1 physical layer signaling.The K1 is positive integer.
As the sub- embodiment 1 of embodiment 8, for occupied subframe, if the occupied subframe is the son
Last subframe in frame subset, the first wireless signal occupied time do not include last in the occupied subframe
The duration of a multicarrier symbol.If the occupied subframe is the son except the last subframe in the subframe subset
Frame, the first wireless signal occupied time include in the occupied subframe the last one multicarrier symbol continue
Time.
As the sub- embodiment 2 of embodiment 8, the first sending module 202 is also used to:
- sends the second information, and the second information indicates the occupied bandwidth of the first wireless signal, and the P, it is described
Q } at least one of and second information be relevant.
- sends the 4th information.Wherein, the 4th information is indicated by high-level signaling, and the 4th information is used for determining
At least one of { P, the Q, described subframe group }.
Wherein, the downlink signaling group instruction { second information, the 4th information }.The downlink signaling group is also wrapped
Include K2 top signaling.The K2 is positive integer.The K1 is 1, i.e., the described first information and second information are by an object
Manage the instruction of layer signaling.
Embodiment 9
Embodiment 9 illustrates the structural block diagram of the processing unit in a UE, as shown in Fig. 9.In attached drawing 9, UE processing
Device 300 is mainly made of the second receiving module 301 and third receiving module 302.
For second receiving module 301 for receiving the first information, the first information is used for determining the first subframe space.Third connects
Module 302 is received for receiving the first wireless signal.
In embodiment 9, first subframe space includes one or more sub-frame set, and the sub-frame set is by Q
A subframe subset composition, the subframe subset are made of P subframe, and the P is greater than 1 positive integer, and the Q is just whole
Number.First wireless signal transmits in a sub-frame set.The sender of first wireless signal is terminal.For every
One occupied subframe, if the occupied subframe is the last subframe in the subframe subset, described first is wireless
The signal occupied time does not include the duration of the last one multicarrier symbol in the occupied subframe.If described
Occupied subframe is the subframe except the last subframe in the subframe subset, the first wireless signal occupied time
Duration including the last one multicarrier symbol in the occupied subframe.
As the sub- embodiment 1 of embodiment 9, the first information is by X bit indication, the X bit indication first
Bit diagram.First bit diagram is made of V1 bit, and the V1 is positive integer.It is for the index value in a subframe group
The given sub-frame set of j, gives whether sub-frame set belongs to described the described in i-th of bit indication in first bit diagram
One subframe space.The i is that the j divided by the resulting remainder of the V1 adds 1.The institute of the sub-frame set in the subframe group
It states index value and successively increases 1 according to chronological order, the index of first sub-frame set in the subframe group
Value is 0.As one embodiment, the X is 8, and the V1 is one in { 6,7,8 }.
As the sub- embodiment 2 of embodiment 9, the corresponding transmission channel of first wireless signal is SL-SCH.
Embodiment 10
Embodiment 10 illustrates the structural block diagram of the processing unit in a base station, as shown in Fig. 10.In attached drawing 10, base
Processing unit of standing 400 is mainly made of third sending module 401.
For third sending module 401 for sending the first information, the first information is used for determining the first subframe space
In embodiment 10, first subframe space includes one or more sub-frame set, and the sub-frame set is by Q
A subframe subset composition, the subframe subset are made of P subframe, and the P is greater than 1 positive integer, and the Q is just whole
Number.First wireless signal transmits in a sub-frame set, and the sender of first wireless signal is terminal.First letter
Breath is carried by physical layer signaling.
As the sub- embodiment 1 of embodiment 10, for each by the occupied subframe of the first wireless signal, if
The occupied subframe is the last subframe in the subframe subset, and the first wireless signal occupied time do not include
The duration of the last one multicarrier symbol in the occupied subframe.If the occupied subframe is the subframe
The subframe except last subframe in subset, the first wireless signal occupied time include in the occupied subframe
The duration of the last one multicarrier symbol.
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 and terminal in the present invention include but unlimited
In mobile phone, tablet computer, notebook, vehicular communication equipment, wireless sensor, card of surfing Internet, internet-of-things terminal, RFID terminal, NB-
IOT terminal, MTC (Machine Type Communication, machine type communication) terminal, (enhanced MTC increases eMTC
Strong MTC) terminal, data card, card of surfing Internet, vehicular communication equipment, inexpensive mobile phone, the wireless communications such as inexpensive tablet computer set
It is standby.Base station in the present invention includes but is not limited to macrocell base stations, microcell base station, Home eNodeB, the channel radios such as relay base station
Believe equipment.
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 (19)
1. a kind of support device to the method in the UE of device, wherein include the following steps:
Step A. sends the first information and the 4th information, the first information are used for determining the first subframe space；
Step B. sends the first wireless signal；
Wherein, first subframe space includes one or more sub-frame set, and the sub-frame set is by Q subframe subset
Composition, the subframe subset are made of P subframe, and the P is greater than 1 positive integer, and the Q is positive integer；First nothing
Line signal transmits in a sub-frame set；The corresponding transmission channel of first wireless signal is SL-SCH；4th information by
High-level signaling instruction, the 4th information are used for determining at least one of the P, the Q.
2. described first compares the method according to claim 1, wherein the first information is the first bit diagram
Special figure is made of V1 bit, and the V1 is positive integer；The given sub-frame set for being j for the index value in a subframe group,
Give whether sub-frame set belongs to first subframe space described in i-th of bit indication in first bit diagram；The i
It is that the j divided by the resulting remainder of the V1 adds 1；The index value of the sub-frame set in the subframe group is according to the time
Sequencing successively increases 1, and the index value of first sub-frame set in the subframe group is 0.
3. method according to claim 1 or 2, which is characterized in that the step A further includes following steps:
Step A0. sends the second information, and the second information indicates the occupied bandwidth of the first wireless signal；The P, the Q
At least one of and second information be relevant.
4. according to claim 1 to method described in any claim in 3, which is characterized in that for occupied subframe, such as
Occupied subframe described in fruit is the last subframe in the subframe subset, and the first wireless signal occupied time does not wrap
Include the duration of the last one multicarrier symbol in the occupied subframe；If the occupied subframe is the son
The subframe except last subframe in frame subset, the first wireless signal occupied time include the occupied subframe
In the last one multicarrier symbol duration.
5. according to claim 1 to method described in any claim in 3, which is characterized in that the step A further includes as follows
Step:
Step A1. sends third information；
Wherein, first wireless signal occupied time and third information phase in the last subframe of the subframe subset
It closes.
6. according to claim 1 to method described in any claim in 3, which is characterized in that the step A further includes as follows
Step:
Step A3. receives downlink signaling group；
Wherein, the downlink signaling group indicates the first information, the second information, third information, in the 4th information extremely
It is one of few；The downlink signaling group includes K1 physical layer signaling, at least one of K2 top signaling；The K1 and described
K2 is positive integer respectively；The P, at least one of described Q and second information are relevant；First wireless signal
The occupied time is related to third information in the last subframe of the subframe subset.
7. a kind of support device to the method in the UE of device, wherein include the following steps:
Step A. receives the first information and the 4th information, the first information are used for determining the first subframe space；
Step B. receives the first wireless signal；
Wherein, first subframe space includes one or more sub-frame set, and the sub-frame set is by Q subframe subset
Composition, the subframe subset are made of P subframe, and the P is greater than 1 positive integer, and the Q is positive integer；First nothing
Line signal transmits in a sub-frame set；The sender of first wireless signal is terminal；First wireless signal is corresponding
Transmission channel is SL-SCH, and the 4th information is indicated by high-level signaling, and the 4th information is used for determining the P, the Q
At least one of.
8. described first compares the method according to the description of claim 7 is characterized in that the first information is the first bit diagram
Special figure is made of V1 bit, and the V1 is positive integer；The given sub-frame set for being j for the index value in a subframe group,
Give whether sub-frame set belongs to first subframe space described in i-th of bit indication in first bit diagram；The i
It is that the j divided by the resulting remainder of the V1 adds 1；The index value of the sub-frame set in the subframe group is according to the time
Sequencing successively increases 1, and the index value of first sub-frame set in the subframe group is 0.
9. method according to claim 7 or 8, which is characterized in that the step A further includes following steps A0, step A1
In at least one step:
Step A0. receives the second information, and the second information indicates the occupied bandwidth of the first wireless signal, the P, the Q
At least one of and second information be relevant；
Step A1. receives third information；Wherein, first wireless signal is shared in the last subframe of the subframe subset
Time is related to third information.
10. the method according to any claim in claim 7 to 9, which is characterized in that for occupied subframe,
If the occupied subframe is the last subframe in the subframe subset, the first wireless signal occupied time is not
Duration including the last one multicarrier symbol in the occupied subframe；If the occupied subframe is described
The subframe except last subframe in subframe subset, the first wireless signal occupied time include the occupied son
The duration of the last one multicarrier symbol in frame.
11. a kind of support device to the method in the base station of device, wherein include the following steps:
Step A. sends the first information, and the first information is used for determining the first subframe space；
Wherein, first subframe space includes one or more sub-frame set, and the sub-frame set is by Q subframe subset
Composition, the subframe subset are made of P subframe, and the P is greater than 1 positive integer, and the Q is positive integer；First wireless communication
It number is transmitted in a sub-frame set, the sender of first wireless signal is terminal；The step A further includes walking as follows
It is rapid:
Step A3. sends downlink signaling group；
Wherein, the downlink signaling group indicates the first information, the second information, third information, in the 4th information at least it
One；The downlink signaling group includes K1 physical layer signaling, at least one of K2 top signaling；The K1 and K2 points
It is not positive integer；Wherein, the second information indicates the occupied bandwidth of the first wireless signal, in the P, the Q at least
One of and second information be relevant；First wireless signal is occupied in the last subframe of the subframe subset
Time is related to third information；4th information is indicated that the 4th information is used for determining the P, institute by high-level signaling
State at least one of Q.
12. according to the method for claim 11, which is characterized in that the first information is the first bit diagram, described first
Bit diagram is made of V1 bit, and the V1 is positive integer；Stator frame collection is given for the index value in a subframe group for j
It closes, gives whether sub-frame set belongs to first subframe space described in i-th of bit indication in first bit diagram；Institute
Stating i is that the j divided by the resulting remainder of the V1 adds 1；The index value of the sub-frame set in the subframe group according to
Chronological order successively increases 1, and the index value of first sub-frame set in the subframe group is 0.
13. method according to claim 11 or 12, which is characterized in that for occupied subframe, if described shared
Subframe is the last subframe in the subframe subset, and the first wireless signal occupied time does not include described shared
The duration of the last one multicarrier symbol in subframe；If the occupied subframe is in the subframe subset
Subframe except last subframe, the first wireless signal occupied time includes the last one in the occupied subframe
The duration of multicarrier symbol.
14. a kind of user equipment for supporting device to device, wherein including following module:
First sending module: the first subframe space is used for determining for sending the 4th information and the first information, the first information；
Second sending module: for sending the first wireless signal；
Wherein, first subframe space includes one or more sub-frame set, and the sub-frame set is by Q subframe subset
Composition, the subframe subset are made of P subframe, and the P is greater than 1 positive integer, and the Q is positive integer；First nothing
Line signal transmits in a sub-frame set；The corresponding transmission channel of first wireless signal is SL-SCH；4th information by
High-level signaling instruction, the 4th information are used for determining at least one of the P, the Q.
15. user equipment according to claim 14, which is characterized in that for occupied subframe, if described shared
Subframe is the last subframe in the subframe subset, and the first wireless signal occupied time does not include described shared
The duration of the last one multicarrier symbol in subframe；If the occupied subframe is in the subframe subset
Subframe except last subframe, the first wireless signal occupied time includes the last one in the occupied subframe
The duration of multicarrier symbol.
16. a kind of user equipment for supporting device to device, wherein including following module:
Second receiving module: the first subframe space is used for determining for receiving the 4th information and the first information, the first information；
Third receiving module: for receiving the first wireless signal；
Wherein, first subframe space includes one or more sub-frame set, and the sub-frame set is by Q subframe subset
Composition, the subframe subset are made of P subframe, and the P is greater than 1 positive integer, and the Q is positive integer；First nothing
Line signal transmits in a sub-frame set；The sender of first wireless signal is terminal；First wireless signal is corresponding
Transmission channel is SL-SCH；4th information is indicated that the 4th information is used for determining the P, the Q by high-level signaling
At least one of.
17. user equipment according to claim 16, which is characterized in that for occupied subframe, if described shared
Subframe is the last subframe in the subframe subset, and the first wireless signal occupied time does not include described shared
The duration of the last one multicarrier symbol in subframe；If the occupied subframe is in the subframe subset
Subframe except last subframe, the first wireless signal occupied time includes the last one in the occupied subframe
The duration of multicarrier symbol.
18. a kind of base station equipment for supporting device to device, wherein including following module:
Third sending module: for sending downlink signaling group and the first information, the first information is used for determining the first subframe space；
Wherein, first subframe space includes one or more sub-frame set, and the sub-frame set is by Q subframe subset group
At the subframe subset is made of P subframe, and the P is greater than 1 positive integer, and the Q is positive integer；First wireless signal
It is transmitted in a sub-frame set, the sender of first wireless signal is terminal；The corresponding transmission letter of first wireless signal
Road is SL-SCH；The downlink signaling group indicates the first information, the second information, third information, in the 4th information at least
One of；The downlink signaling group includes K1 physical layer signaling, at least one of K2 top signaling；The K1 and K2
It is positive integer respectively；Wherein, the second information indicates the occupied bandwidth of the first wireless signal, in the P, the Q extremely
One of few and second information is relevant；First wireless signal is occupied in the last subframe of the subframe subset
Time it is related to third information；4th information is indicated that the 4th information is used for determining the P by high-level signaling,
At least one of described Q.
19. base station equipment according to claim 18, which is characterized in that for occupied subframe, if described shared
Subframe is the last subframe in the subframe subset, and the first wireless signal occupied time does not include described shared
The duration of the last one multicarrier symbol in subframe；If the occupied subframe is in the subframe subset
Subframe except last subframe, the first wireless signal occupied time includes the last one in the occupied subframe
The duration of multicarrier symbol.
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| CN110166198A (en) * | 2018-02-12 | 2019-08-23 | 北京三星通信技术研究有限公司 | By-passing signal sending method and equipment |
| CN110351050B (en) * | 2018-04-04 | 2022-03-01 | 上海朗帛通信技术有限公司 | Method and device in user equipment and base station used for narrow-band communication |
| CN112369068B (en) * | 2018-09-25 | 2022-01-04 | Oppo广东移动通信有限公司 | Resource mapping mode indication method and related product |
| CN111130729A (en) * | 2018-11-01 | 2020-05-08 | 夏普株式会社 | Method performed by user equipment and user equipment |
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| US20130294361A1 (en) * | 2012-05-01 | 2013-11-07 | Qualcomm Incorporated | Methods and apparatus for managing control and data transmissions for low cost user equipments |
| CN105025576A (en) * | 2014-04-19 | 2015-11-04 | 上海朗帛通信技术有限公司 | Method and device for resource allocation in D2D communication |
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| CN105101429A (en) * | 2014-05-09 | 2015-11-25 | 中兴通讯股份有限公司 | D2D (Device-to-Device) resource allocation method, network equipment and user equipment |
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| CN103220782A (en) * | 2012-01-19 | 2013-07-24 | 华为技术有限公司 | Determination method, system and device of transmitting subframe |
| US20130294361A1 (en) * | 2012-05-01 | 2013-11-07 | Qualcomm Incorporated | Methods and apparatus for managing control and data transmissions for low cost user equipments |
| CN105025576A (en) * | 2014-04-19 | 2015-11-04 | 上海朗帛通信技术有限公司 | Method and device for resource allocation in D2D communication |
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