CN107690127A - A kind of determination method and device of the communication resource - Google Patents
A kind of determination method and device of the communication resource Download PDFInfo
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- CN107690127A CN107690127A CN201610635447.5A CN201610635447A CN107690127A CN 107690127 A CN107690127 A CN 107690127A CN 201610635447 A CN201610635447 A CN 201610635447A CN 107690127 A CN107690127 A CN 107690127A
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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
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H04W4/08—User group management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
- H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
- H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Multimedia (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of determination method and device of communication resource.This method includes：When producing group communication, the target resource index information according to corresponding to the group identification of the group communication determines group communication described in objective resource pool；Target communications resources are determined according to the target resource index information and the objective resource pool, the group communication is carried out will pass through the target communications resources.The embodiment of the present invention can determine target resource index information, and determine target communications resources according to target resource index information when producing group communication according to the group identification of group communication.
Description
Technical field
The present embodiments relate to the determination method and dress of wireless mobile telecommunication technology, more particularly to a kind of communication resource
Put.
Background technology
With the development of wireless mobile telecommunication technology, people propose higher and higher to high-speed, low latency, low cost
It is required that.IMT-Advanced (International Mobile Telecommunications-Advanced, IMT-A)
System allows to support Device-to-Device (D2D) communications to improve the availability of frequency spectrum under community cellular network.Device-
To-Device (D2D) communications are a kind of under the control of system, it is allowed to are directly led to by reuse pattern resource between terminal
The new technique of letter.D2D communications are included for the higher wearable device of requirement of real-time
In D2D communications, need to distribute the communication resource for equipment before a communication.It is typically employed in the mode point being randomly assigned
With the communication resource.If the resource contention of two equipment distribution, need to liquidate row solution of advancing by leaps and bounds, and such as divides again for some equipment
With resource etc..
Wearable device is more to possess part computing function, can connect mobile phone and the portable accessory shape of each Terminal Type at present
Formula is present.Because wearable device requires higher for real-time property, if distributing to the money of wearable device in D2D communications
Resource contention occurs for source, then needs to spend the time to carry out Conflict solving, and then causes data to send delay increase, and D2D communications are real
When property is poor.
The content of the invention
The present invention provides a kind of determination method and device of the communication resource, to realize that reducing data sends delay, improves D2D
The real-time of communication.
In a first aspect, the embodiments of the invention provide a kind of determination method of communication resource, including：
When producing group communication, determine that group leads to described in objective resource pool according to the group identification of the group communication
Target resource index information corresponding to letter；
Target communications resources are determined according to the target resource index information and the objective resource pool, it is described will pass through
Target communications resources carry out the group communication.
Second aspect, the embodiment of the present invention additionally provide a kind of determining device of the communication resource, including：
Target resource index information determining unit, for when producing group communication, according to the group of the group communication
Mark determines target resource index information corresponding to group communication described in objective resource pool；
Target communications resources determining unit, for the mesh determined according to the target resource index information determining unit
Mark resource indexing information and the objective resource pool determine target communications resources, and institute is carried out will pass through the target communications resources
State group communication.
The embodiment of the present invention can determine target resource rope when producing group communication according to the group identification of group communication
Fuse ceases, and determines target communications resources according to target resource index information.Prior art is determined by the way of being randomly assigned
The communication resource, easily conflict.The embodiment of the present invention, can by configuring the different communication resources for different group identifications
The communication resource for being embodied as other equipment during different group communication arrangements communicate with D2D does not conflict or target that collision rate is very low
The communication resource, when making group communication by target communications resources progress group communication, data can be reduced and send delay, improved
The real-time of D2D communications.
Brief description of the drawings
Fig. 1 is the flow chart of the determination method of the communication resource in the embodiment of the present invention one；
Fig. 2 is the flow chart of the determination method of the communication resource in the embodiment of the present invention two；
Fig. 3 is the flow chart of the determination method of the communication resource in the embodiment of the present invention three；
Fig. 4 is the flow chart of the determination method of the communication resource in the embodiment of the present invention four；
Fig. 5 is the structural representation of the determining device of the communication resource in the embodiment of the present invention five.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It is further to note that for the ease of
Describe, part related to the present invention rather than entire infrastructure are illustrate only in accompanying drawing.
Embodiment one
Fig. 1 is the flow chart of the determination method for the communication resource that the embodiment of the present invention one provides, and the present embodiment is applicable to
The situation of the communication resource is distributed in D2D communications for equipment, this method can be performed by base station, and wherein base station can be base station
(eNB), specifically comprise the following steps：
Step 110, when producing group communication, determine that group leads in objective resource pool according to the group identification of group communication
Target resource index information corresponding to letter.
Wherein, target resource index information is also known as time resource mode index (TRP index), and wherein TRP is Time
Resource pattern abbreviation.
Group communication can be One-to-one communication, one-to-many communication or many-many communication, and these three communications can all include source
Address and destination address.Source address is the initiator of data, and destination address is the recipient of data.When data need to set at two
When being transmitted between standby or multiple equipment, group communication is produced.
Because the equipment in D2D networks is known, therefore the group identification and resource pool of group communication can be pre-established
And in resource pool the resource indexing information of the specific communication resource corresponding relation.When some group communication occurs, according to pre-
The corresponding relation first established finds objective resource pool corresponding to group communication and the corresponding target resource in objective resource pool
Index information.
Exemplary, it is assumed that 4 resource pools are shared, there are 128 resources in each resource pool.Pre-establish group communication A
The resource a-1 established with resource pool a and by resource index in group communication A and resource pool a mapping relations.As generation group
During group communication A, resource pool a is defined as objective resource pool, resource a-1 resource index is defined as target resource index.
Step 120, target communications resources are determined according to target resource index information and objective resource pool, will pass through target
The communication resource carries out group communication.
Resource pool includes that N number of (such as 128) resource of group communication, the corresponding resource rope of each resource can be carried out
Draw., can be by target resource after base station accurately can find target resource according to target resource index in objective resource pool
User equipment (UE) is allocated to, group communication is carried out by target resource so as to the user equipment of group communication.
The embodiment of the present invention can determine target resource rope when producing group communication according to the group identification of group communication
Fuse ceases, and determines target communications resources according to target resource index information.Prior art is determined by the way of being randomly assigned
The communication resource, easily conflict.The embodiment of the present invention, can by configuring the different communication resources for different group identifications
The communication resource for being embodied as other equipment during different group communication arrangements communicate with D2D does not conflict or target that collision rate is very low
The communication resource, when making group communication by target communications resources progress group communication, data can be reduced and send delay, improved
The real-time of D2D communications.
Embodiment two
Fig. 2 is the flow chart of the determination method for the communication resource that the embodiment of the present invention two provides, as to embodiment one
Further illustrate, determine objective resource pool, can be implemented by following manner：
Step 111, from least one default resource pool, will with group communication exist the first mapping relations default resource
Pond is defined as objective resource pool；Or objective resource pool is determined from least one default resource pool according to the first probability function.
If mapping in advance group communication and objective resource pool, the first mapping relations that can be obtained according to mapping are true
Determine objective resource pool corresponding to group communication.For example, it is assumed that sharing four resource pools, there are four group communications, then can be under
Mode is stated to mapping：Group communication A is corresponding with resource pool a, and group communication B is corresponding with resource pool b, group communication C and money
Source pond c is corresponding, and group communication D is corresponding with resource pool d, when producing group communication, obtains group according to the first mapping relations and leads to
Resource pool corresponding to letter.
, can also be by the first probability function in addition to group communication and resource pool are fixed into mapping, dynamic is really
Determine objective resource pool corresponding to group communication.First probability function can be：The probability that group communication uses each resource pool is configured,
According to numerical intervals corresponding to each resource pool of the determine the probability, a random number is run, the numerical intervals according to where random number are true
Set the goal resource pool.
Such as：If the probability for configuring the transmission data in four resource pools is respectively 60%, 30%, 10% and 0%, group
Group communication sends terminal when sending data, random number of one numerical value of generation between 0 to 1.If random number is less than or equal to
0.6, then select resource to send data using in resource pool 1, data are sent in resource pool 2 less than or equal to 0.9 more than 0.6, greatly
In 0.9 data are sent in resource pool 3.
Optionally, it is determined that after objective resource pool, using random fashion from objective resource pool selection target resource.
Technical scheme provided in an embodiment of the present invention, mesh can be determined by the first mapping relations or the first probability function
Resource pool is marked, and then reasonable distribution is carried out to resource pool, while improving resource utilization, reduces collision probability, D2D is improved and leads to
The real-time of letter.
Embodiment three
Fig. 3 is the flow chart of the determination method for the communication resource that the embodiment of the present invention three provides, as to the He of embodiment one
The further explanation of embodiment two, determine that target resource corresponding to group communication indexes described in objective resource pool in step 110
Information, including：
Step 112, from objective resource pool, will with group communication exist the second mapping relations at least one index information
It is defined as target resource index information；Or the index information in objective resource pool is grouped, obtain at least one index
Packet；Target index packet is determined from least one index packet according to the second probability function, target index packet is included
Index information as target resource index information.
If mapping in advance the target resource index in group communication and objective resource pool, can be obtained according to mapping
The second mapping relations determine objective resource pool corresponding to group communication.For example, it is assumed that sharing 128 resource indexs, there are four
Group communication, then can be in the following manner to mapping：Group communication A is corresponding with resource 0- resources 31, group communication B and money
The correspondence of source 32- resources 63, group communication C is corresponding with resource 64- resources 95, and group communication D is corresponding with resource 96- resources 127.
When producing group communication, the resource according to corresponding to the second mapping relations obtain group communication.
, can also be dynamic to determine by the second probability function in addition to group communication and resource are fixed into mapping
Target resource corresponding to group communication indexes.Second probability function can be：For each resource pool, to the resource in resource pool
Index is grouped, and obtains M resource index packet.The probability that configuration group communication is grouped using each resource index, according to this
Numerical intervals corresponding to each resource index packet of determine the probability, run a random number, the numerical intervals according to where random number are true
The resource index that sets the goal is grouped.It is determined that after target resource index packet, packet equal probability choosing is indexed in the target resource
Volume target resource indexes.
Exemplary, the form of index information is provided in 36.213 agreements, table 1 below, table 2 and table 3 are distinguished
Corresponding 6bit, 7bit and 8bit bitmap bitmap marks UE send the subframe of resource.Wherein, ITRPFor sequence number, kTRPTo be effective
Bit quantity,For specific occupy-place information, N in table 1TRPFor 6, N in table 2TRPFor 7, N in table 3TRPFor 8.
Table 1
Table 2
Table 3
Exemplary, in above three table, the resource index in resource pool is divided into resource index and is grouped 1 { 0-30 },
Resource index is grouped 2 { 31-60 }, and resource index is grouped 3 { 61-90 }, and resource index is grouped 4 { 91-127 }, totally four packets.If
The probability for configuring the transmission data in four resource indexs are grouped is respectively 60%, 30%, 10% and 0%, then group communication is sent out
End make arrangements for his funeral when sending data, random number of one numerical value of generation between 0 to 1.If random number is less than or equal to 0.6, adopt
Select resource to send data with resource index packet 1, send data in resource pool 2 less than or equal to 0.9 more than 0.6, be more than
0.9 sends data in resource pool 3.Assuming that random number is 0.6, it is determined that is grouped from resource index in 1 { 0-30 } and determines mesh
Mark resource index.Exemplary, from resource index 0 to resource index 30, random one, choosing pool indexes as target resource.
Optionally, it is determined that during objective resource pool, objective resource pool can be chosen by random fashion.Preferably,
The method choice objective resource pool provided using embodiment two.
Technical scheme provided in an embodiment of the present invention, mesh can be determined by the second mapping relations or the second probability function
Resource index is marked, and then reasonable distribution is carried out to the resource in resource pool, while improving resource utilization, it is general to reduce conflict
Rate, improve the real-time of D2D communications.
Example IV
Fig. 4 is the determination method for the communication resource that the embodiment of the present invention four provides, as to embodiment one to embodiment three
Further explanation, in step 110, when producing group communication, target is determined according to the group identification of the group communication
Described in resource pool before target resource index information corresponding to group communication, in addition to：
Step 100, the first mapping relations for establishing group identification and objective resource pool, and/or, establish group identification with extremely
Second mapping relations of a few target resource index information.
The first mapping relations to group communication and objective resource pool can be realized by human configuration, and group communication with
Second mapping relations of target resource index information.Network management personnel can be group according to requirement of the group communication to real-time
Private resource index in group communication configuration private resource pond or resource pool.
First mapping relations and/or the second mapping relations may be configured to user equipment (UE).Closed by establishing the first mapping
System and the second mapping relations can realize controllability of the network management personnel to the communication resource used in group communication.
Further, the first mapping that group identification and objective resource pool are established according to the attribute information of group communication is closed
System, and/or, the second mapping relations of group identification and at least one target resource index information are established, wherein, the attribute is believed
Breath includes at least one in data amount information, service priority information or user's sensitivity information.
Wherein, data amount information can be used for the data transmit-receive amount total amount for representing that group communication is related to, and data amount information may be used also
The bandwidth that needs for representing group communication take.Data transmit-receive amount total amount is bigger, then the number of the resource indexing information configured
Amount is more.The bandwidth that group communication takes is higher, then the bandwidth of resource is higher corresponding to the resource indexing information configured.
Service priority information can be used for the service priority for representing group communication.If service priority is higher, configure
Resource indexing information corresponding to resource signal is relatively strong, signal to noise ratio is higher.
User's sensitivity information such as user is to the susceptibility of real-time, and user is to susceptibility of signal quality etc..User's
Susceptibility is higher, then the signal to noise ratio of resource is higher corresponding to the resource indexing information configured.
Data amount information, service priority information and user's sensitivity information can be conventional by counting group communication industry
Business data volume, susceptibility feedback information, susceptibility configuration information and service priority configuration information obtain.
Technical scheme provided in an embodiment of the present invention, network management personnel can lead to according to the demand of group communication for group
Letter configures suitable target resource index in suitable objective resource pool and objective resource pool, improves group communication resource distribution
Operability and flexibility.
Embodiment five
Fig. 5 is a kind of structural representation of the determining device for communication resource that the embodiment of the present invention five provides, and the device can
In base station (eNB), including：
Target resource index information determining unit 11, for when producing group communication, according to the group of the group communication
Group mark determines target resource index information corresponding to group communication described in objective resource pool；
Target communications resources determining unit 12, for the institute determined according to the target resource index information determining unit 11
Stating target resource index information and the objective resource pool determines target communications resources, being entered with will pass through the target communications resources
The row group communication.
Further, in addition to objective resource pool determining unit 13, it is specifically used for：
It is from least one default resource pool, the default resource pool that the first mapping relations with the group communication be present is true
It is set to objective resource pool；
Or
Objective resource pool is determined from least one default resource pool according to the first probability function.
Further, the target resource index information determining unit 11, is specifically used for：
From the objective resource pool, at least one index information of the second mapping relations with the group communication will be present
It is defined as target resource index information；
Or
Index information in the objective resource pool is grouped, obtains at least one index packet；It is general according to second
Rate function determines target index packet from least one index packet, and the index that target index packet includes is believed
Breath is used as target resource index information.
Further, in addition to mapping relations establish unit 14, are used for：
The first mapping relations of group identification and objective resource pool are established, and/or, establish group identification and at least one mesh
Mark the second mapping relations of resource indexing information.
Further, the mapping relations are established unit 14 and are specifically used for：
The first mapping relations of group identification and objective resource pool are established according to the attribute information of group communication, and/or, build
Second mapping relations of vertical group identification and at least one target resource index information, wherein, the attribute information includes data
Measure at least one in information, service priority information or user's sensitivity information.
Said apparatus can perform the method that the embodiment of the present invention one to example IV is provided, and possesses and performs above method phase
The functional module and beneficial effect answered.Not ins and outs of detailed description in the present embodiment, reference can be made to the embodiment of the present invention one
The method provided to example IV.
Pay attention to, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although being carried out by above example to the present invention
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
1. a kind of determination method of communication resource, it is characterised in that including：
When producing group communication, group communication pair described in objective resource pool is determined according to the group identification of the group communication
The target resource index information answered；
Target communications resources are determined according to the target resource index information and the objective resource pool, will pass through the target
The communication resource carries out the group communication.
2. the determination method of the communication resource according to claim 1, it is characterised in that objective resource pool is determined, including：
From at least one default resource pool, it will be defined as with default resource pool of the group communication in the presence of the first mapping relations
Objective resource pool；
Or
Objective resource pool is determined from least one default resource pool according to the first probability function.
3. the determination method of the communication resource according to claim 1 or 2, it is characterised in that the determination objective resource pool
Described in target resource index information corresponding to group communication, including：
From the objective resource pool, at least one index information that the second mapping relations with the group communication be present is determined
For target resource index information；
Or
Index information in the objective resource pool is grouped, obtains at least one index packet；According to the second probability letter
Number determines target index packet from least one index packet, and the index information that target index packet includes is made
For target resource index information.
4. the determination method of the communication resource according to claim 1, it is characterised in that when producing group communication, according to
The group identification of the group communication determined described in objective resource pool before target resource index information corresponding to group communication,
Also include：
The first mapping relations of group identification and objective resource pool are established, and/or, establish group identification and provided with least one target
Second mapping relations of source index information.
5. the determination method of the communication resource according to claim 4, it is characterised in that described to establish group identification and target
First mapping relations of resource pool, and/or, the second mapping for establishing group identification and at least one target resource index information is closed
System, including：
The first mapping relations of group identification and objective resource pool are established according to the attribute information of group communication, and/or, establish group
Group mark and the second mapping relations of at least one target resource index information, wherein, the attribute information is believed including data volume
It is at least one in breath, service priority information or user's sensitivity information.
A kind of 6. determining device of the communication resource, it is characterised in that including：
Target resource index information determining unit, for when producing group communication, according to the group identification of the group communication
Determine target resource index information corresponding to group communication described in objective resource pool；
Target communications resources determining unit, for the target money determined according to the target resource index information determining unit
Source index information and the objective resource pool determine target communications resources, and the group is carried out will pass through the target communications resources
Group communication.
7. the determining device of the communication resource according to claim 6, it is characterised in that also determined including objective resource pool single
Member, it is specifically used for：
From at least one default resource pool, it will be defined as with default resource pool of the group communication in the presence of the first mapping relations
Objective resource pool；
Or
Objective resource pool is determined from least one default resource pool according to the first probability function.
8. the determining device of the communication resource according to claim 6 or 7, it is characterised in that the target resource index letter
Determining unit is ceased, is specifically used for：
From the objective resource pool, at least one index information that the second mapping relations with the group communication be present is determined
For target resource index information；
Or
Index information in the objective resource pool is grouped, obtains at least one index packet；According to the second probability letter
Number determines target index packet from least one index packet, and the index information that target index packet includes is made
For target resource index information.
9. the determining device of the communication resource according to claim 6, it is characterised in that also established including mapping relations single
Member, it is used for：
The first mapping relations of group identification and objective resource pool are established, and/or, establish group identification and provided with least one target
Second mapping relations of source index information.
10. the determining device of the communication resource according to claim 9, it is characterised in that the mapping relations establish unit
It is specifically used for：
The first mapping relations of group identification and objective resource pool are established according to the attribute information of group communication, and/or, establish group
Group mark and the second mapping relations of at least one target resource index information, wherein, the attribute information is believed including data volume
It is at least one in breath, service priority information or user's sensitivity information.
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| CN201610635447.5A CN107690127A (en) | 2016-08-04 | 2016-08-04 | A kind of determination method and device of the communication resource |
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| CN201610635447.5A CN107690127A (en) | 2016-08-04 | 2016-08-04 | A kind of determination method and device of the communication resource |
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| WO2022021161A1 (en) * | 2020-07-29 | 2022-02-03 | Oppo广东移动通信有限公司 | Communication method, apparatus and device and storage medium |
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