CN109286917A - A kind of method and terminal selecting transfer resource - Google Patents
A kind of method and terminal selecting transfer resource Download PDFInfo
- Publication number
- CN109286917A CN109286917A CN201710591213.XA CN201710591213A CN109286917A CN 109286917 A CN109286917 A CN 109286917A CN 201710591213 A CN201710591213 A CN 201710591213A CN 109286917 A CN109286917 A CN 109286917A
- Authority
- CN
- China
- Prior art keywords
- resource
- time
- candidate
- random number
- sending instant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the present invention provides a kind of method and terminal for selecting transfer resource, which comprises the number of subchannels needed for current time acquisition and occupied running time-frequency resource；According to existing whole frequency domain resources and number of subchannels, the occupied candidate resource set of sending instant of each frame in acquisition time window；Rejecting and the equitant candidate resource set of running time-frequency resource, and using the candidate resource set after rejecting as available subchannels set；The corresponding sending instant of the resource quantity of the available subchannels set of x times of candidate resource quantity in the candidate resource set that will be greater than or equal to forms candidate sending instant set；According to candidate sending instant set, time window and preset rules, transmission time is determined；According to transmission time, transfer resource is selected.The terminal executes the above method.The method and terminal of selection transfer resource provided in an embodiment of the present invention can be avoided the resource collision caused during information transmission, and then improve the performance of communication network.
Description
Technical field
The present embodiments relate to information resources technical fields, and in particular to it is a kind of select transfer resource method and end
End.
Background technique
Based on wireless data transmission (vehicle-to-vehicle communication, below letter between motor vehicles
Claim " V2V ") it is a kind of vehicle-to-vehicle communication technology, it is configured with terminal in each car, vehicle-to-vehicle direct communication is realized by terminal,
Without base station.The recipient that each car had both been used as data to transmit or the sender as data transmission, the information mutually transferred
It may include speed, position, steering direction, brake etc..In unmanned, vehicle is done according to the information of other automobiles received
It brakes out, the relevant operations such as evacuation.
Each V2V terminal carries out broadcast transmission to data by issuing SCI by the way of broadcast when there is data transmission,
It is sent to all terminals.Meanwhile the data from other terminals are received also by the mode for monitoring SCI.However, each user is whole
End is all to begin looking for available resources from the initial position of time window, and the resource for being easy to use user terminal concentrates in together,
The probability for causing resource collision increases.
Therefore, the resource collision caused during information is transmitted how is avoided, and then improves the performance of communication network,
As need solve the problems, such as.
Summary of the invention
In view of the problems of the existing technology, the embodiment of the present invention provides a kind of method and terminal for selecting transfer resource.
In a first aspect, the embodiment of the present invention provides a kind of method for selecting transfer resource, which comprises
Number of subchannels needed for obtaining business to be sent at current time and occupied running time-frequency resource；
According to existing whole frequency domain resources and the number of subchannels, in acquisition time window shared by the sending instant of each frame
Candidate resource set, wherein the time window was obtained according to the current time；
Reject with the equitant candidate resource set of the running time-frequency resource, and using the candidate resource set after rejecting as can
Use sets of sub-channels；
The number of resources of the available subchannels set of x times of candidate resource quantity in the candidate resource set that will be greater than or equal to
It measures corresponding sending instant and forms candidate sending instant set, x is the decimal between 0~1；
According to the candidate sending instant set, the time window and preset rules, generate random number, and according to it is described with
Machine number determines the transmission time of the business to be sent；
According to the transmission time, the transmission for selecting the business to be sent in the available subchannels set to occupy is provided
Source；
The transmission time includes just passing moment and retransmission time；Correspondingly, described according to the candidate sending instant collection
It closes, the time window and preset rules, when generating random number, and determining the transmission of the business to be sent according to the random number
It carves, comprising:
The first random number a is generated at random in the candidate sending instant set T；
According to the candidate sending instant set T, the first random number a, the time window and design variables, the is generated
Two random number b, wherein the second random number b is different from the first random number a；
By min [a, b] as the just biography moment；Max [a, b] is used as retransmission time.
Second aspect, the embodiment of the present invention provide a kind of terminal for selecting transfer resource, and the terminal includes:
First acquisition unit, for number of subchannels needed for obtaining business to be sent at current time and it is occupied when
Frequency resource；
Second acquisition unit, it is every in acquisition time window for according to existing whole frequency domain resources and the number of subchannels
The occupied candidate resource set of the sending instant of one frame, wherein the time window was obtained according to the current time；
Culling unit, for reject with the equitant candidate resource set of the running time-frequency resource, and by the candidate after rejecting
Resource collection is as available subchannels set；
Component units, the available sub- letter for x times of candidate resource quantity in the candidate resource set that will be greater than or equal to
The corresponding sending instant of the resource quantity of road set forms candidate sending instant set, and x is the decimal between 0~1；
Determination unit, for generating random according to the candidate sending instant set, the time window and preset rules
It counts, and determines the transmission time of the business to be sent according to the random number；
Selecting unit, for selecting the industry to be sent in the available subchannels set according to the transmission time
The transfer resource for occupancy of being engaged in；
The transmission time includes just passing moment and retransmission time；Correspondingly, the determination unit is specifically used for:
The first random number a is generated at random in the candidate sending instant set T；
According to the candidate sending instant set T, the first random number a, the time window and design variables, the is generated
Two random number b, wherein the second random number b is different from the first random number a；
By min [a, b] as the just biography moment；Max [a, b] is used as retransmission time.
The third aspect, the embodiment of the present invention provide the terminal of another selection transfer resource, comprising: processor, memory
And bus, wherein
The processor and the memory complete mutual communication by the bus；
The memory is stored with the program instruction that can be executed by the processor, and the processor calls described program to refer to
Order is able to carry out following method:
Number of subchannels needed for obtaining business to be sent at current time and occupied running time-frequency resource；
According to existing whole frequency domain resources and the number of subchannels, in acquisition time window shared by the sending instant of each frame
Candidate resource set, wherein the time window was obtained according to the current time；
Reject with the equitant candidate resource set of the running time-frequency resource, and using the candidate resource set after rejecting as can
Use sets of sub-channels；
The number of resources of the available subchannels set of x times of candidate resource quantity in the candidate resource set that will be greater than or equal to
It measures corresponding sending instant and forms candidate sending instant set, x is the decimal between 0~1；
According to the candidate sending instant set, the time window and preset rules, generate random number, and according to it is described with
Machine number determines the transmission time of the business to be sent；
According to the transmission time, the transmission for selecting the business to be sent in the available subchannels set to occupy is provided
Source；
The transmission time includes just passing moment and retransmission time；Correspondingly, described according to the candidate sending instant collection
It closes, the time window and preset rules, when generating random number, and determining the transmission of the business to be sent according to the random number
It carves, comprising:
The first random number a is generated at random in the candidate sending instant set T；
According to the candidate sending instant set T, the first random number a, the time window and design variables, the is generated
Two random number b, wherein the second random number b is different from the first random number a；
By min [a, b] as the just biography moment；Max [a, b] is used as retransmission time.
Fourth aspect, the embodiment of the present invention provide a kind of non-transient computer readable storage medium, comprising:
The non-transient computer readable storage medium stores computer instruction, and the computer instruction makes the computer
Execute following method:
Number of subchannels needed for obtaining business to be sent at current time and occupied running time-frequency resource；
According to existing whole frequency domain resources and the number of subchannels, in acquisition time window shared by the sending instant of each frame
Candidate resource set, wherein the time window was obtained according to the current time；
Reject with the equitant candidate resource set of the running time-frequency resource, and using the candidate resource set after rejecting as can
Use sets of sub-channels；
The number of resources of the available subchannels set of x times of candidate resource quantity in the candidate resource set that will be greater than or equal to
It measures corresponding sending instant and forms candidate sending instant set, x is the decimal between 0~1；
According to the candidate sending instant set, the time window and preset rules, generate random number, and according to it is described with
Machine number determines the transmission time of the business to be sent；
According to the transmission time, the transmission for selecting the business to be sent in the available subchannels set to occupy is provided
Source；
The transmission time includes just passing moment and retransmission time；Correspondingly, described according to the candidate sending instant collection
It closes, the time window and preset rules, when generating random number, and determining the transmission of the business to be sent according to the random number
It carves, comprising:
The first random number a is generated at random in the candidate sending instant set T；
According to the candidate sending instant set T, the first random number a, the time window and design variables, the is generated
Two random number b, wherein the second random number b is different from the first random number a；
By min [a, b] as the just biography moment；Max [a, b] is used as retransmission time.
The method and terminal of selection transfer resource provided in an embodiment of the present invention, can be avoided during information transmission
The resource collision of initiation, and then improve the performance of communication network.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the method flow schematic diagram that the embodiment of the present invention selects transfer resource；
Fig. 2 is the terminal structure schematic diagram that the embodiment of the present invention selects transfer resource；
Fig. 3 is end entity structural schematic diagram provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Fig. 1 is the method flow schematic diagram that the embodiment of the present invention selects transfer resource, as shown in Figure 1, the embodiment of the present invention
A kind of method of the selection transfer resource provided, comprising the following steps:
S1: number of subchannels needed for obtaining business to be sent at current time and occupied running time-frequency resource.
Specifically, terminal obtain business to be sent at current time needed for number of subchannels and occupied time-frequency money
Source.Terminal can be car-mounted terminal, and business to be sent can be understood as the business that the terminal is sent to other car-mounted terminals, can be with
Whether traffic congestion including the terminal running section has the information such as traffic control, but is not especially limited.Industry to be sent
The acquisition methods of number of subchannels needed for business can be in the following way: the data to be transferred amount for obtaining business to be sent is (to be sent
Business difference causes data to be transferred amount also different), according to reference modulation and coding strategy (Modulation and Coding
Scheme, hereinafter referred to as " MCS ") and data to be transferred amount can (influence of interest be communicated speed by MCS by configured list
Column of the factor of rate as list can reflect out communication speed using MCS index as the row of list to form a list
Situation of change) check in complete data to be transferred amount transmission needed for Physical Resource Block (physical resource block, with
Lower abbreviation " PRB ") block number can be calculated business to be sent further according to the PRB block number in preconfigured every sub-channels
Required number of subchannels.Be illustrated below: data to be transferred amount is Q, completes the transmission of data to be transferred amount Q, amounts to the PRB of needs
It is 30, the PRB block number in preconfigured every sub-channels is 8, then subchannel needed for calculated business to be sent
Number for 4 (30/8 round up after value be equal to 4), if the required number of subchannels is less than maximum subchannel in resource pool
The step of counting, then continuing to execute following embodiment, if the required number of subchannels is more than or equal to resource pool maximum number of subchannels,
Then also be necessary to determine whether can by whole resource allocations in resource pool to required number of subchannels (in this case, no longer
It is discussed in the embodiment of the present invention).Occupied running time-frequency resource can be obtained by perceiving and parsing control information (SCI),
It is discussed in the specific method no longer embodiment of the present invention.
S2: according to existing whole frequency domain resources and the number of subchannels, the sending instant of each frame in acquisition time window
Occupied candidate resource set, wherein the time window was obtained according to the current time.
Specifically, terminal is according to existing whole frequency domain resources and the number of subchannels, each frame in acquisition time window
The occupied candidate resource set of sending instant, wherein the time window was obtained according to the current time.It is existing complete
Portion's frequency domain resource can be whole frequency domain resources in above-mentioned resource pool, and time window can be expressed as [n+T1, n+T2], wherein n
It is the configuration of time window for initial time, the end time that n+T2 is time window, T1 and T2 that current time, n+T1 are time window
Parameter, T1 and T2 can be independently arranged according to the actual situation, the sending instant of each frame in traversal [n+T1, n+T2], will be each
Whole frequency domain resources of sending instant are divided according to number of subchannels, respectively obtain the occupied candidate money of each sending instant
Source set SM.It should be understood that the sending instant of each frame in [n+T1, n+T2] can by it is common " hour: minute:
Second " expression be converted to numerical value expression, such as: on October 1st, 2016,09 point of 00 second 01 minute numerical value converted is 10100,2016
On October 1,09 point of 00 second 02 minute numerical value convert is 10120, and specific conversion method is general technology, is repeated no more.Example
Such as: numerical value is that the 10100 corresponding occupied candidate resource collection of sending instant are combined into m1, m2, m3, m4, m5；Numerical value is 10120
The corresponding occupied candidate resource collection of sending instant is combined into m2, m3, m6, m7, m8 (PRB in every sub-channels is 5 pieces).
S3: reject with the equitant candidate resource set of the running time-frequency resource, and by the candidate resource collection cooperation after rejecting
For available subchannels set.
Specifically, terminal is rejected and the equitant candidate resource set of the running time-frequency resource, and the candidate after rejecting is provided
Source set is used as available subchannels set.Referring to the example above: it is 10100 corresponding sending instants for numerical value, and if when
The equitant candidate resource of frequency resource is m1, m2, m3, then rejects m1, m2, m3, then using m4, m5 as available subchannels set
(the candidate resource set after rejecting), similarly: being 10120 corresponding sending instants for numerical value, if mutually be overlapped with running time-frequency resource
Folded candidate resource is m2, m3, then rejects m2, m3, then using m6, m7, m8 as available subchannels set (the candidate money after rejecting
Source set).
S4: the money of the available subchannels set of x times of candidate resource quantity in the candidate resource set that will be greater than or equal to
Quantity corresponding sending instant in source forms candidate sending instant set, and x is the decimal between 0~1.
The available subchannels of x times of the candidate resource quantity specifically, terminal will be greater than or equal in the candidate resource set
The corresponding sending instant of the resource quantity of set forms candidate sending instant set, and x is the decimal between 0~1.X can basis
Actual conditions are independently arranged, with continued reference to the example above: x value is 0.5, is 10100 corresponding sending instants for numerical value, waits
Selecting the candidate resource quantity in resource collection is 5, which is combined into m4, m5, and resource quantity is 2, and 5*0.5=
2.5, (i.e. the resource quantity of the available subchannels set is unsatisfactory for the candidate being more than or equal in candidate resource set due to 2 < 2.5
X times of resource quantity of condition), it is thus impossible to which the corresponding sending instant composition of the resource quantity of the available subchannels set is waited
Select sending instant set；Similarly: it is 10120 corresponding sending instants for numerical value, the candidate resource number in candidate resource set
Amount is 5, which is combined into m6, m7, m8, and resource quantity is 3, and 5*0.5=2.5, and (i.e. this can due to 3 > 2.5
Meet the condition for x times of candidate resource quantity being more than or equal in candidate resource set with the resource quantity of sets of sub-channels), because
This, forms candidate sending instant set for the corresponding sending instant of the resource quantity of the available subchannels set, traverses [n+T1, n
+ T2] in all sending instants, to obtain candidate sending instant set.
S5: according to the candidate sending instant set, the time window and preset rules, random number is generated, and according to institute
State the transmission time that random number determines the business to be sent.
Specifically, terminal generates random number according to the candidate sending instant set, the time window and preset rules,
And the transmission time of the business to be sent is determined according to the random number.It is illustrated below: if candidate sending instant collection
Closing the sending instant that T includes has 10102,10103,10109,10111,10117, gives birth at random in candidate sending instant set T
At the first random number a (such as: 10117), and according to the following formula determine numberical range:
Max [n+T1, a-y], min [n+T2, a+y]
Wherein, numberical range is represented by the numerical value between max [n+T1, a-y] and min [n+T2, a+y]；N is current
Moment, n+T1 are the initial time of time window, n+T2 is time window end time, T1 and T2 are the configuration parameter of time window；a
For the first random number；Y is design variables, and y can be selected as the corresponding sending instant of 15, n+T1 and be chosen as 10100, n+T2 correspondence
Sending instant be chosen as 10120；Then the numberical range is 10108~10120.
In candidate sending instant set T (10109,10111,10117) in numberical range (10108~10120) with
Machine generate the second random number b (the second random number b is different from the first random number a) (the second random number b can 10109 and 10111 it
Between randomly choose, citing be selected as 10109).
By min [a, b] as just biography moment (10109)；Max [a, b] is used as retransmission time (10117).
S6: according to the transmission time, the biography of the business occupancy to be sent in the available subchannels set is selected
Defeated resource；The transmission time includes just passing moment and retransmission time；Correspondingly, described according to the candidate sending instant collection
It closes, the time window and preset rules, when generating random number, and determining the transmission of the business to be sent according to the random number
It carves, comprising: generate the first random number a at random in the candidate sending instant set T；According to the candidate sending instant set
T, the first random number a, the time window and design variables, generate the second random number b, wherein the second random number b with
The first random number a is different；By min [a, b] as the just biography moment；Max [a, b] is used as retransmission time.
Specifically, terminal according to the transmission time, selects the business to be sent in the available subchannels set
The transfer resource of occupancy；The transmission time includes just passing moment and retransmission time；Correspondingly, described according to the candidate transmission
Moment set, the time window and preset rules, generate random number, and determine the business to be sent according to the random number
Transmission time, comprising: generate the first random number a at random in the candidate sending instant set T；When according to the candidate transmission
Carve set T, the first random number a, the time window and design variables, the second random number b of generation, wherein described second with
Machine number b is different from the first random number a；By min [a, b] as the just biography moment；Max [a, b] is used as retransmission time.Just pass
The determination at moment and retransmission time is referred to above-described embodiment, repeats no more.Transmission time may include just passing moment and again
The moment is passed, transfer resource may include just passing resource and retransmission resource；Re-transmission can be understood as transmitting again after just passing failure；?
It just passes in moment corresponding available subchannels, the first biography resource that random selection transfer resource is occupied as business to be sent；It deducts
Transfer resource used in just passing；In the corresponding available subchannels of retransmission time, random selection surplus resources are as re-transmission money
Source, surplus resources are the transfer resources in the corresponding available subchannels of retransmission time deducted after just passing used resource.It lifts
Example is described as follows: being m31, m32, m33, m34, m35 just passing the corresponding available subchannels of moment 10109；m41,m42,m43,
m44,m45；It is m31, m32, m33 that transfer resource (just passing resource), which can be randomly selected, corresponding available in retransmission time 10117
Subchannel is m32, m33, m34, m35；m41,m42,m43；Deducting resource (m32, m33) used in just passing, surplus resources are afterwards
(m34,m35；m41,m42,m43；), it is m35, m41, m42 that retransmission resource, which can be randomly selected,.
The method of selection transfer resource provided in an embodiment of the present invention can be avoided and cause during information transmission
Resource collision, and then improve the performance of communication network.
On the basis of the above embodiments, described according to the candidate sending instant set T, the first random number a, institute
Time window and design variables are stated, the second random number b is generated, comprising:
Numberical range is determined according to the following formula:
Max [n+T1, a-y], min [n+T2, a+y]；
Wherein, the numberical range is represented by the numerical value between max [n+T1, a-y] and min [n+T2, a+y]；N is
End time, T1 and the T2 that current time, n+T1 are the initial time of time window, n+T2 is time window are the configuration ginseng of time window
Number；A is the first random number；Y is design variables.
Specifically, terminal determines numberical range according to the following formula:
Max [n+T1, a-y], min [n+T2, a+y]；
Wherein, the numberical range is represented by the numerical value between max [n+T1, a-y] and min [n+T2, a+y]；N is
End time, T1 and the T2 that current time, n+T1 are the initial time of time window, n+T2 is time window are the configuration ginseng of time window
Number；A is the first random number；Y is design variables.It can refer to above-described embodiment, repeat no more.
The second random number b is generated at random in candidate sending instant set T within the numerical range.
Specifically, it is random to generate described second in the candidate sending instant set T of terminal within the numerical range at random
Number b.It can refer to above-described embodiment, repeat no more.
The method of selection transfer resource provided in an embodiment of the present invention, by generating the first random number a and the second random number
B is further able to the resource collision for avoiding causing during information is transmitted, and then improves the performance of communication network.
On the basis of the above embodiments, the transmission time includes just passing moment and retransmission time, the transfer resource
Including just passing resource and retransmission resource；Correspondingly, it is described according to the transmission time, it selects in the available subchannels set
The transfer resource that the business to be sent occupies, comprising:
It is just passed in moment corresponding available subchannels described, random selection transfer resource is accounted for as the business to be sent
First biography resource.
Specifically, terminal just passes in moment corresponding available subchannels described, described in random selection transfer resource conduct
The first biography resource that business to be sent occupies.It can refer to above-described embodiment, repeat no more.
Deduct transfer resource used in just passing.
Specifically, terminal, which deducts, just passes used transfer resource.It can refer to above-described embodiment, repeat no more.
In the corresponding available subchannels of the retransmission time, random selection surplus resources are described surplus as retransmission resource
Remaining resource is the transfer resource in the corresponding available subchannels of retransmission time deducted after just passing used resource.
Specifically, terminal, in the corresponding available subchannels of the retransmission time, random selection surplus resources are as re-transmission
Resource, the surplus resources are the transmission money in the corresponding available subchannels of retransmission time deducted after just passing used resource
Source.It can refer to above-described embodiment, repeat no more.
The method of selection transfer resource provided in an embodiment of the present invention, can be avoided and cause during information re-transmission
Resource collision, and then improve the performance of communication network.
On the basis of the above embodiments, the rejecting and the equitant candidate resource set of the running time-frequency resource, comprising:
The moment is passed using each sending instant as first, and obtains the reserved moment corresponding with the just biography moment, it is described pre-
Stay is at the time of cycling through corresponding to the information for just passing moment transmission constantly.
Specifically, terminal passes the moment using each sending instant as first, and obtain corresponding reserved with the just biography moment
Moment, the reserved moment are at the time of cycling through corresponding to the information for just passing moment transmission.It is illustrated below: just
The biography moment is 9:00 on October 1st, 2016, and just passing the information that the moment sends will cycle through at interval of 24 hours, then just passes the moment
9:00 on October 1st, 2016 corresponding reserved moment is 9:00 on October 2nd, 2016.
If judgement knows that occupied candidate resource set of the reserved moment overlaps with the running time-frequency resource, in institute
It states the corresponding just biography moment at reserved moment and rejects the reserved moment occupied equitant candidate resource set.
Specifically, if occupied candidate resource set of the reserved moment and the running time-frequency resource phase are known in terminal judgement
Overlapping then rejects the reserved moment occupied equitant candidate resource collection at the corresponding just biography moment at the reserved moment
It closes.Referring to the example above, can on October 1st, 2016 9:00 the first biography moment reject occupied by 9:00 on October 2nd, 2016
Equitant candidate resource set.
The method of selection transfer resource provided in an embodiment of the present invention, by just passing occupied by the moment rejecting reserved moment
Equitant candidate resource set, the resource collision that causes during information is transmitted can be avoided in advance, and then improve
The performance of communication network.
On the basis of the above embodiments, it is described obtain business to be sent at current time needed for number of subchannels and by
Before the step of running time-frequency resource of occupancy, the method also includes:
Obtain the data to be transferred amount of business to be sent.
Specifically, terminal obtains the data to be transferred amount of business to be sent.It can refer to above-described embodiment, repeat no more.
According to reference modulation and coding strategy and the data to be transferred amount, physics needed for completing the data to be transferred amount is obtained
The quantity of resource block.
Specifically, terminal obtains according to reference modulation and coding strategy and the data to be transferred amount and completes the number to be passed
According to the quantity of Physical Resource Block needed for measuring.It can refer to above-described embodiment, repeat no more.
According to the physical resource block number in preconfigured every sub-channels, son needed for calculating the business to be sent
The number of channel.
Specifically, terminal calculates described to be sent according to the physical resource block number in preconfigured every sub-channels
Number of subchannels needed for business.It can refer to above-described embodiment, repeat no more.
The method of selection transfer resource provided in an embodiment of the present invention, subchannel needed for business to be sent can be got
Number and occupied running time-frequency resource ensure that going on smoothly for selection transfer resource.
On the basis of the above embodiments, the method also includes:
If judgement knows that there is no the available subchannels of x times of the candidate resource quantity more than or equal to the candidate resource set
The resource quantity of set then raises the message transmission rate in the reference modulation and coding strategy.
Specifically, if terminal judgement knows that there is no x times of the candidate resource quantity more than or equal to the candidate resource set
Available subchannels set resource quantity, then raise the message transmission rate in the reference modulation and coding strategy.Immediately
Between in window [n+T1, n+T2] quantity of the available subchannels set of each sending instant be both less than the time in candidate resource set
X times of resource quantity is selected, then is illustrated to obtain less than candidate sending instant set, it is possible to the data transmission being turned up in above-mentioned MCS
Rate, to guarantee the quantity for thering is greater probability to obtain more available subchannels set.
Number of subchannels needed for obtaining business to be sent at current time described in re-executing and occupied time-frequency money
To described according to the transmission time, the transmission for selecting the business to be sent in the available subchannels set to occupy is provided in source
The step of between source.
Specifically, terminal re-executes the number of subchannels needed for obtaining business to be sent at current time and occupied
Running time-frequency resource, according to the transmission time, selects the business to be sent in the available subchannels set to account for described
The step of between transfer resource.Process is re-executed similarly to repeat no more.
The method of selection transfer resource provided in an embodiment of the present invention can by the message transmission rate being turned up in MCS
Guarantee the quantity for thering is greater probability to obtain more available subchannels set.
Fig. 2 is the terminal structure schematic diagram that the embodiment of the present invention selects transfer resource, as shown in Fig. 2, the embodiment of the present invention
Provide a kind of terminal for selecting transfer resource, including first acquisition unit 1, second acquisition unit 2, culling unit 3, composition list
Member 4, determination unit 5 and selecting unit 6, in which:
First acquisition unit 1 for number of subchannels needed for obtaining business to be sent at current time and it is occupied when
Frequency resource；Second acquisition unit 2 is used for according to existing whole frequency domain resources and the number of subchannels, each in acquisition time window
The occupied candidate resource set of the sending instant of frame, wherein the time window was obtained according to the current time；It rejects
Unit 3 for reject with the equitant candidate resource set of the running time-frequency resource, and using the candidate resource set after rejecting as
Available subchannels set；Component units 4 can for x times of candidate resource quantity in the candidate resource set that will be greater than or equal to
Candidate sending instant set is formed with the corresponding sending instant of the resource quantity of sets of sub-channels, x is the decimal between 0~1；Really
Order member 5 is for generating random number, and according to institute according to the candidate sending instant set, the time window and preset rules
State the transmission time that random number determines the business to be sent；Selecting unit 6 is used for according to the transmission time, can described in selection
The transfer resource occupied with the business to be sent in sets of sub-channels；The transmission time includes when just passing the moment and retransmitting
It carves；Correspondingly, the determination unit 5 is specifically used for: generating the first random number a at random in the candidate sending instant set T；
According to the candidate sending instant set T, the first random number a, the time window and design variables, the second random number is generated
B, wherein the second random number b is different from the first random number a；By min [a, b] as the just biography moment；By max [a, b]
As retransmission time.
Specifically, first acquisition unit 1 for number of subchannels needed for obtaining business to be sent at current time and by
The running time-frequency resource of occupancy；Second acquisition unit 2 is used for according to existing whole frequency domain resources and the number of subchannels, acquisition time
The occupied candidate resource set of the sending instant of each frame in window, wherein the time window was obtained according to the current time
?；Culling unit 3 for reject with the equitant candidate resource set of the running time-frequency resource, and by the candidate resource after rejecting
Set is used as available subchannels set；Component units 4 are for the candidate resource number in the candidate resource set that will be greater than or equal to
The corresponding sending instant of the resource quantity of the available subchannels set of x times of amount forms candidate sending instant set, and x is between 0~1
Decimal；Determination unit 5 is used to generate random number according to the candidate sending instant set, the time window and preset rules,
And the transmission time of the business to be sent is determined according to the random number；Selecting unit 6 is used for according to the transmission time, choosing
Select the transfer resource that the business to be sent in the available subchannels set occupies；The transmission time includes just passing the moment
And retransmission time；Correspondingly, the determination unit 5 is specifically used for: generating first at random in the candidate sending instant set T
Random number a；According to the candidate sending instant set T, the first random number a, the time window and design variables, the is generated
Two random number b, wherein the second random number b is different from the first random number a；By min [a, b] as the just biography moment；It will
Max [a, b] is used as retransmission time.
The terminal of selection transfer resource provided in an embodiment of the present invention can be avoided and cause during information transmission
Resource collision, and then improve the performance of communication network.
The terminal of selection transfer resource provided in an embodiment of the present invention specifically can be used for executing above-mentioned each method embodiment
Process flow, details are not described herein for function, is referred to the detailed description of above method embodiment.
Fig. 3 is end entity structural schematic diagram provided in an embodiment of the present invention, as shown in figure 3, the terminal includes: processing
Device (processor) 301, memory (memory) 302 and bus 303；
Wherein, the processor 301, memory 302 complete mutual communication by bus 303；
The processor 301 is used to call the program instruction in the memory 302, to execute above-mentioned each method embodiment
Provided method, for example, number of subchannels needed for obtaining business to be sent at current time and occupied time-frequency
Resource；According to existing whole frequency domain resources and the number of subchannels, in acquisition time window occupied by the sending instant of each frame
Candidate resource set, wherein the time window was obtained according to the current time；It rejects mutually be overlapped with the running time-frequency resource
Folded candidate resource set, and using the candidate resource set after rejecting as available subchannels set；Will be greater than or equal to the time
Select the corresponding sending instant composition of the resource quantity of the available subchannels set of x times of candidate resource quantity in resource collection candidate
Sending instant set, x are the decimal between 0~1；According to the candidate sending instant set, the time window and preset rules,
Random number is generated, and determines the transmission time of the business to be sent according to the random number；According to the transmission time, selection
The transfer resource that the business to be sent in the available subchannels set occupies；The transmission time include just pass the moment and
Retransmission time；Correspondingly, described generate random number according to the candidate sending instant set, the time window and preset rules,
And the transmission time of the business to be sent is determined according to the random number, comprising: in the candidate sending instant set T with
Machine generates the first random number a；According to the candidate sending instant set T, the first random number a, the time window and preset
Variable generates the second random number b, wherein the second random number b is different from the first random number a；By min [a, b] conduct
Just pass the moment；Max [a, b] is used as retransmission time.
The present embodiment discloses a kind of computer program product, and the computer program product includes being stored in non-transient calculating
Computer program on machine readable storage medium storing program for executing, the computer program include program instruction, when described program instruction is calculated
Machine execute when, computer is able to carry out method provided by above-mentioned each method embodiment, for example, current time obtain to
Number of subchannels needed for transmission business and occupied running time-frequency resource；According to existing whole frequency domain resources and the subchannel
It counts, the occupied candidate resource set of sending instant of each frame in acquisition time window, wherein the time window is according to
What current time obtained；Reject with the equitant candidate resource set of the running time-frequency resource, and by the candidate resource collection after rejecting
Cooperation is available subchannels set；The available sub- letter of x times of candidate resource quantity in the candidate resource set that will be greater than or equal to
The corresponding sending instant of the resource quantity of road set forms candidate sending instant set, and x is the decimal between 0~1；According to described
Candidate sending instant set, the time window and preset rules generate random number, and are determined according to the random number described pending
Send the transmission time of business；According to the transmission time, the business to be sent in the available subchannels set is selected to account for
Transfer resource；The transmission time includes just passing moment and retransmission time；Correspondingly, it is described according to it is described it is candidate send when
Set, the time window and preset rules are carved, random number is generated, and determine the biography of the business to be sent according to the random number
The defeated moment, comprising: generate the first random number a at random in the candidate sending instant set T；According to the candidate sending instant
Set T, the first random number a, the time window and design variables generate the second random number b, wherein described second is random
Number b is different from the first random number a；By min [a, b] as the just biography moment；Max [a, b] is used as retransmission time.
The present embodiment provides a kind of non-transient computer readable storage medium, the non-transient computer readable storage medium
Computer instruction is stored, the computer instruction makes the computer execute method provided by above-mentioned each method embodiment, example
As included: number of subchannels needed for obtaining business to be sent at current time and occupied running time-frequency resource；According to existing
Whole frequency domain resources and the number of subchannels, the occupied candidate resource set of sending instant of each frame in acquisition time window,
Wherein, the time window was obtained according to the current time；It rejects and the equitant candidate resource collection of the running time-frequency resource
It closes, and using the candidate resource set after rejecting as available subchannels set；In the candidate resource set that will be greater than or equal to
The corresponding sending instant of the resource quantity of the available subchannels set of x times of candidate resource quantity forms candidate sending instant set, x
For the decimal between 0~1；According to the candidate sending instant set, the time window and preset rules, random number is generated, and
The transmission time of the business to be sent is determined according to the random number；According to the transmission time, son letter can be used described in selection
The transfer resource that the business to be sent in road set occupies；The transmission time includes just passing moment and retransmission time；Phase
It answers, it is described according to the candidate sending instant set, the time window and preset rules, random number is generated, and according to described
Random number determines the transmission time of the business to be sent, comprising: generates first at random in the candidate sending instant set T
Random number a；According to the candidate sending instant set T, the first random number a, the time window and design variables, the is generated
Two random number b, wherein the second random number b is different from the first random number a；By min [a, b] as the just biography moment；It will
Max [a, b] is used as retransmission time.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: ROM, RAM, magnetic disk or light
The various media that can store program code such as disk.
The embodiments such as terminal described above are only schematical, wherein the unit as illustrated by the separation member
It may or may not be physically separated, component shown as a unit may or may not be physics list
Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness
Labour in the case where, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the embodiment of the present invention, rather than it is right
It is limited；Although the embodiment of the present invention is described in detail referring to foregoing embodiments, the ordinary skill of this field
Personnel are it is understood that it is still possible to modify the technical solutions described in the foregoing embodiments, or to part
Or all technical features are equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution
The range of each embodiment technical solution of the embodiment of the present invention.
Claims (9)
1. a kind of method for selecting transfer resource characterized by comprising
Number of subchannels needed for obtaining business to be sent at current time and occupied running time-frequency resource；
According to existing whole frequency domain resources and the number of subchannels, the sending instant of each frame is occupied in acquisition time window
Candidate resource set, wherein the time window was obtained according to the current time；
Rejecting and the equitant candidate resource set of the running time-frequency resource, and the candidate resource set after rejecting is sub as that can use
Channel set；
The resource quantity pair of the available subchannels set of x times of candidate resource quantity in the candidate resource set that will be greater than or equal to
The sending instant answered forms candidate sending instant set, and x is the decimal between 0~1；
According to the candidate sending instant set, the time window and preset rules, random number is generated, and according to the random number
Determine the transmission time of the business to be sent；
According to the transmission time, the transfer resource of the business occupancy to be sent in the available subchannels set is selected；
The transmission time includes just passing moment and retransmission time；Correspondingly, described according to the candidate sending instant set, institute
Time window and preset rules are stated, random number is generated, and determines the transmission time of the business to be sent according to the random number, packet
It includes:
The first random number a is generated at random in the candidate sending instant set T；
According to the candidate sending instant set T, the first random number a, the time window and design variables, generate second with
Machine number b, wherein the second random number b is different from the first random number a；
By min [a, b] as the just biography moment；Max [a, b] is used as retransmission time.
2. the method according to claim 1, wherein it is described according to the candidate sending instant set T, described the
One random number a, the time window and design variables generate the second random number b, comprising:
Numberical range is determined according to the following formula:
Max [n+T1, a-y], min [n+T2, a+y]；
Wherein, the numberical range is represented by the numerical value between max [n+T1, a-y] and min [n+T2, a+y]；N is current
Moment, n+T1 are the initial time of time window, n+T2 is time window end time, T1 and T2 are the configuration parameter of time window；a
For the first random number；Y is design variables；
The second random number b is generated at random in candidate sending instant set T within the numerical range.
3. method according to claim 1 or 2, which is characterized in that the transmission time includes when just passing the moment and retransmitting
It carves, the transfer resource includes just passing resource and retransmission resource；Correspondingly, it is described according to the transmission time, it can described in selection
The transfer resource occupied with the business to be sent in sets of sub-channels, comprising:
It is just passed in moment corresponding available subchannels described, random selection transfer resource is occupied as the business to be sent
Just pass resource；
Deduct transfer resource used in just passing；
In the corresponding available subchannels of the retransmission time, random selection surplus resources are as retransmission resource, the remaining money
Source is the transfer resource in the corresponding available subchannels of retransmission time deducted after just passing used resource.
4. method according to claim 1 or 2, which is characterized in that the rejecting and the equitant time of the running time-frequency resource
Select resource collection, comprising:
The moment is passed using each sending instant as first, and obtains the reserved moment corresponding with the just biography moment, when described reserved
Quarter is at the time of cycling through corresponding to the information for just passing moment transmission；
If judgement knows that occupied candidate resource set of the reserved moment overlaps with the running time-frequency resource, described pre-
The corresponding just biography moment at moment is stayed to reject the reserved moment occupied equitant candidate resource set.
5. method according to claim 1 or 2, which is characterized in that described to be obtained needed for business to be sent at current time
Number of subchannels and occupied running time-frequency resource the step of before, the method also includes:
Obtain the data to be transferred amount of business to be sent；
According to reference modulation and coding strategy and the data to be transferred amount, physical resource needed for completing the data to be transferred amount is obtained
The quantity of block；
According to the physical resource block number in preconfigured every sub-channels, subchannel needed for calculating the business to be sent
Number.
6. method according to claim 1 or 2, which is characterized in that the method also includes:
If judgement knows that there is no the available subchannels set of x times of the candidate resource quantity more than or equal to the candidate resource set
Resource quantity, then raise the message transmission rate in the reference modulation and coding strategy；
Number of subchannels needed for obtaining business to be sent at current time described in re-executing and occupied running time-frequency resource are extremely
The transfer resource for according to the transmission time, the business to be sent in the available subchannels set being selected to occupy it
Between the step of.
7. a kind of terminal for selecting transfer resource characterized by comprising
First acquisition unit, for number of subchannels needed for obtaining business to be sent at current time and occupied time-frequency money
Source；
Second acquisition unit, for according to existing whole frequency domain resources and the number of subchannels, each frame in acquisition time window
The occupied candidate resource set of sending instant, wherein the time window was obtained according to the current time；
Culling unit, for reject with the equitant candidate resource set of the running time-frequency resource, and by the candidate resource after rejecting
Set is used as available subchannels set；
Component units, the available subchannels collection for x times of candidate resource quantity in the candidate resource set that will be greater than or equal to
The corresponding sending instant of the resource quantity of conjunction forms candidate sending instant set, and x is the decimal between 0~1；
Determination unit, for generating random number according to the candidate sending instant set, the time window and preset rules, and
The transmission time of the business to be sent is determined according to the random number；
Selecting unit, for selecting the business to be sent in the available subchannels set to account for according to the transmission time
Transfer resource；
The transmission time includes just passing moment and retransmission time；Correspondingly, the determination unit is specifically used for:
The first random number a is generated at random in the candidate sending instant set T；
According to the candidate sending instant set T, the first random number a, the time window and design variables, generate second with
Machine number b, wherein the second random number b is different from the first random number a；
By min [a, b] as the just biography moment；Max [a, b] is used as retransmission time.
8. a kind of terminal for selecting transfer resource characterized by comprising processor, memory and bus, wherein
The processor and the memory complete mutual communication by the bus；
The memory is stored with the program instruction that can be executed by the processor, and the processor calls described program to instruct energy
Enough methods executed as described in claim 1 to 6 is any.
9. a kind of non-transient computer readable storage medium, which is characterized in that the non-transient computer readable storage medium is deposited
Computer instruction is stored up, the computer instruction makes the computer execute the method as described in claim 1 to 6 is any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710591213.XA CN109286917B (en) | 2017-07-19 | 2017-07-19 | Method and terminal for selecting transmission resources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710591213.XA CN109286917B (en) | 2017-07-19 | 2017-07-19 | Method and terminal for selecting transmission resources |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109286917A true CN109286917A (en) | 2019-01-29 |
| CN109286917B CN109286917B (en) | 2021-08-06 |
Family
ID=65185021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710591213.XA Expired - Fee Related CN109286917B (en) | 2017-07-19 | 2017-07-19 | Method and terminal for selecting transmission resources |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109286917B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111182639A (en) * | 2020-01-03 | 2020-05-19 | 展讯半导体(南京)有限公司 | Transmission resource determination method and related equipment |
| CN111586722A (en) * | 2019-02-15 | 2020-08-25 | 大唐高鸿数据网络技术股份有限公司 | Resource selection method and terminal |
| CN112350813A (en) * | 2020-10-13 | 2021-02-09 | Oppo广东移动通信有限公司 | Method and device for determining transmission parameters and terminal equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1977540A1 (en) * | 2006-01-11 | 2008-10-08 | Qualcomm Incorporated | Methods and apparatus relating to wireless terminal beacon signal generation, transmission, and/or use |
| CN106358295A (en) * | 2015-07-14 | 2017-01-25 | 普天信息技术有限公司 | Resource distribution method and device |
| CN106376088A (en) * | 2016-11-29 | 2017-02-01 | 重庆邮电大学 | Channel competition based resource-pool resource distribution method in vehicle-vehicle communication |
| CN106792891A (en) * | 2016-08-12 | 2017-05-31 | 北京展讯高科通信技术有限公司 | Pedestrian, vehicle termination, data is activation and communication means |
-
2017
- 2017-07-19 CN CN201710591213.XA patent/CN109286917B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1977540A1 (en) * | 2006-01-11 | 2008-10-08 | Qualcomm Incorporated | Methods and apparatus relating to wireless terminal beacon signal generation, transmission, and/or use |
| CN106358295A (en) * | 2015-07-14 | 2017-01-25 | 普天信息技术有限公司 | Resource distribution method and device |
| CN106792891A (en) * | 2016-08-12 | 2017-05-31 | 北京展讯高科通信技术有限公司 | Pedestrian, vehicle termination, data is activation and communication means |
| CN106376088A (en) * | 2016-11-29 | 2017-02-01 | 重庆邮电大学 | Channel competition based resource-pool resource distribution method in vehicle-vehicle communication |
Non-Patent Citations (2)
| Title |
|---|
| ERWU LIU: "Relay-Assisted Transmission with Fairness Constraint for Cellular Networks", 《IEEE TRANSACTIONS ON MOBILE COMPUTING》 * |
| 韩晓磊: "车辆自组织网络中路由协议和文件传输机制研究", 《工程科技Ⅱ辑》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111586722A (en) * | 2019-02-15 | 2020-08-25 | 大唐高鸿数据网络技术股份有限公司 | Resource selection method and terminal |
| CN111586722B (en) * | 2019-02-15 | 2024-01-26 | 中信科智联科技有限公司 | Resource selection method and terminal |
| CN111182639A (en) * | 2020-01-03 | 2020-05-19 | 展讯半导体(南京)有限公司 | Transmission resource determination method and related equipment |
| CN112350813A (en) * | 2020-10-13 | 2021-02-09 | Oppo广东移动通信有限公司 | Method and device for determining transmission parameters and terminal equipment |
| CN112350813B (en) * | 2020-10-13 | 2023-03-14 | Oppo广东移动通信有限公司 | Method and device for determining transmission parameters and terminal equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109286917B (en) | 2021-08-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108633106B (en) | Random access and indicating means, device after a kind of random access backoff | |
| CN107592327A (en) | Sidelink resource allocation methods and device in a kind of V2X networks | |
| CN108631968A (en) | A kind of determination method and device of data feedback resource | |
| CN111310932A (en) | Method, device and equipment for optimizing horizontal federated learning system and readable storage medium | |
| CN107343306A (en) | The system of selection of network section and device | |
| CN102244683B (en) | Method for improving service quality of mixed businesses in vehicular networking application | |
| CN109286917A (en) | A kind of method and terminal selecting transfer resource | |
| CN106656430A (en) | Listen before talk (LBT) parameter processing method, contention window adjusting method and device | |
| CN103931254B (en) | The detection method and equipment of control channel | |
| CN107645735A (en) | Sidelink resource load measuring method and device in a kind of V2X networks | |
| DE102018212662A1 (en) | A method and apparatus for load sharing using a plurality of carriers in the communication system that supports vehicle-to-all communication | |
| CN106332284B (en) | Resource reservation and determination method, device and communication equipment | |
| CN109391667B (en) | Resource control method and terminal for Internet of vehicles | |
| KR101841709B1 (en) | Adaptive transmission method and apparatus for improving performance of vehicle communication | |
| CN106455115B (en) | A kind of data transmission method for uplink and device | |
| CN107041002A (en) | The indicating means and device of data channel sub-frame | |
| CN106658609B (en) | A kind of data transmission resources reserving method and device | |
| CN107295561A (en) | The application method and device of resource | |
| CN107231634A (en) | Frequency spectrum resource allocation method and device in a kind of Vehicular communication system | |
| CN108419213A (en) | Group variation and device | |
| CN111294944B (en) | Resource pool configuration method and device, storage medium, terminal and base station | |
| CN105103581A (en) | Data transmission method, apparatus and system | |
| CN107682897B (en) | A kind of resource reservation method and device | |
| CN114364039A (en) | Carrier selection method and communication equipment | |
| CN109286979A (en) | A kind of resource allocation methods, device and terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210806 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |