CN107197416A - The air interface transmission method and system of a kind of broadband colony offline straight communication - Google Patents
The air interface transmission method and system of a kind of broadband colony offline straight communication Download PDFInfo
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- CN107197416A CN107197416A CN201610144771.7A CN201610144771A CN107197416A CN 107197416 A CN107197416 A CN 107197416A CN 201610144771 A CN201610144771 A CN 201610144771A CN 107197416 A CN107197416 A CN 107197416A
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/08—Trunked mobile radio systems
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a kind of air interface transmission method of broadband colony offline straight communication and system, this method includes：The first downlink logical channel of network-off direct-passing group service is provided in current logic channel, first downlink logical channel is defined as to the control channel of network-off direct-passing group service, the control channel of network-off direct-passing group service is used for bearing cluster call setup, calling release and the related control message of right of speech management；The second downlink logical channel of network-off direct-passing group service is provided in current logic channel, second downlink logical channel is defined as to the Traffic Channel of network-off direct-passing group service, the Traffic Channel of network-off direct-passing group service is used for business datum of the transmitting terminal at least one receiving terminal in bearing cluster service.Control channel DMCCH and Traffic Channel DMTCH of the invention by setting up network-off direct-passing group service in current logic channel, realizes the air interface transmission of broadband colony offline straight communication.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of sky of broadband colony offline straight communication
Port transmitting method and system.
Background technology
Current 3GPP R12 versions have formulated D2D (Device-to-Device) implementation,
D2D communications are a kind of under the control of system, it is allowed to pass through reuse pattern resource between terminal
The technology directly communicated, it can increase frequency spectrum efficiency of cellular communication system, reduce terminal
Transmission power, solves the problem of wireless communication system frequency spectrum resource is deficient to a certain extent, its
It is included in the outer D2D schemes of covering that public safety field is used.But, D2D schemes should
Broadband colony offline straight communication DMO application demand can not be met with scene, it is main to include two
Aspect：One is that D2D can not support video traffic, is not to cluster group on the other hand
Exhale the support of business.Wherein, network-off direct-passing DMO patterns, refer to without by the network equipment
It just can directly carry out the communication of terminal room.
Therefore, on the premise of the DMO schemes not yet formulation standard of current broadband cluster system,
The air interface transmission of broadband colony offline straight communication how is realized, is urgently to be resolved hurrily important of current industry
Problem.
The content of the invention
In view of the above problems, the present invention proposes a kind of air interface transmission of broadband colony offline straight communication
Method and system, to realize air interface transmission of the broadband cluster in the case of network-off direct-passing.
There is provided a kind of biography of eating dishes without rice or wine of broadband colony offline straight communication according to the first aspect of the invention
Transmission method, this method includes：
The first downlink logical of network-off direct-passing group service is provided in current logic channel
Channel, the control that first downlink logical channel is defined as network-off direct-passing group service is believed
Road, the control channel of the network-off direct-passing group service is used for bearing cluster call setup, calling
Release and the related control message of right of speech management；
The second downlink logical of network-off direct-passing group service is provided in current logic channel
Channel, the business that second downlink logical channel is defined as network-off direct-passing group service is believed
Road, the Traffic Channel of the network-off direct-passing group service is used for transmitting terminal in bearing cluster service and arrived
The business datum of at least one receiving terminal.
Wherein, methods described also includes：
Determine that according to the first mapping relations the control channel of the network-off direct-passing group service is reflected
Penetrate approach；And
Determine that according to the second mapping relations the Traffic Channel of the network-off direct-passing group service is reflected
Penetrate approach；
Wherein, include in first mapping relations and the second mapping relations logic channel,
Mapping relations between transmission channel and physical channel.
Wherein, the mapping approach of the control channel of the network-off direct-passing group service is specially：It is de-
Control channel-D2D shared channel SCH-D2D the Physical Shared Channels of the straight-through group service of net
PSSCH；
The mapping approach of the Traffic Channel of the network-off direct-passing group service is specially：Network-off direct-passing
Traffic Channel-D2D shared channel SCH-D2D Physical Shared Channels the PSSCH of group service.
There is provided a kind of biography of eating dishes without rice or wine of broadband colony offline straight communication according to the second aspect of the invention
Defeated system, the system includes：
First setting unit, for being provided for network-off direct-passing cluster industry in current logic channel
First downlink logical channel of business, network-off direct-passing collection is defined as by first downlink logical channel
The control channel of group business, the control channel of the network-off direct-passing group service is used for bearing cluster
Call setup, calling release and the related control message of right of speech management；
Second setting unit, for being provided for network-off direct-passing cluster industry in current logic channel
Second downlink logical channel of business, network-off direct-passing collection is defined as by second downlink logical channel
The Traffic Channel of group business, the Traffic Channel of the network-off direct-passing group service is used for bearing cluster
Business datum of the transmitting terminal at least one receiving terminal in business.
Wherein, the system also includes：
First determining unit, for determining the network-off direct-passing cluster industry according to the first mapping relations
The mapping approach of the control channel of business；And
Second determining unit, for determining the network-off direct-passing cluster industry according to the second mapping relations
The mapping approach of the Traffic Channel of business；
Wherein, include in first mapping relations and the second mapping relations logic channel,
Mapping relations between transmission channel and physical channel.
Wherein, the mapping approach of the control channel of the network-off direct-passing group service is specially：It is de-
Control channel-D2D shared channel SCH-D2D the Physical Shared Channels of the straight-through group service of net
PSSCH；
The mapping approach of the Traffic Channel of the network-off direct-passing group service is specially：Network-off direct-passing
Traffic Channel-D2D shared channel SCH-D2D Physical Shared Channels the PSSCH of group service.
Beneficial effects of the present invention are：
The air interface transmission method and system for the broadband colony offline straight communication that the present invention is provided, by
The control channel DMCCH and business of network-off direct-passing group service are set up in current logic channel
Channel DMTCH, and realize broadband cluster in network-off direct-passing situation by newly-increased logic channel
Under air interface transmission, it is ensured that the realization of the group-calling service of broadband colony offline straight communication.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantage and benefit
It will be clear understanding for those of ordinary skill in the art.Accompanying drawing is only used for showing to be preferable to carry out
The purpose of mode, and it is not considered as limitation of the present invention.And in whole accompanying drawing, use
Identical reference symbol represents identical part.In the accompanying drawings：
Fig. 1 is the air interface transmission method for the broadband colony offline straight communication that the embodiment of the present invention is proposed
Application scenarios schematic diagram；
Fig. 2 is the air interface transmission method for the broadband colony offline straight communication that the embodiment of the present invention is proposed
Flow chart；
Fig. 3 is the channel mapping relations schematic diagram that proposes in the embodiment of the present invention；
Fig. 4 is the air interface transmission system for the broadband colony offline straight communication that the embodiment of the present invention is proposed
Structural representation.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the accompanying drawings
Go out, wherein same or similar label represents same or similar element or with phase from beginning to end
The element of same or similar functions.The embodiments described below with reference to the accompanying drawings are exemplary,
It is only used for explaining the present invention, and is not construed as limiting the claims.
Supported it is an object of the invention to provide one kind in the case of off-grid, realize broadband cluster off-grid
Straight-through air interface transmission method and system, its application scenarios as shown in figure 1, in shown scene,
It is in the event of natural calamity or from far-off regions in the wild, it is impossible to real in public safety applications
The covering of existing broadband cluster, then can realize straight between the colony terminal of broadband within the specific limits
Logical function, realizes the voice and video call of cluster multi call.
Fig. 2 shows the air interface transmission method of the broadband colony offline straight communication of the embodiment of the present invention
Flow chart.
Reference picture 2, the air interface transmission for the broadband colony offline straight communication that the embodiment of the present invention is proposed
Method specifically includes following steps：
S11, it is provided in current logic channel the first descending of network-off direct-passing group service
Logic channel, first downlink logical channel is defined as the control of network-off direct-passing group service
Channel, the control channel of the network-off direct-passing group service is used for bearing cluster call setup, exhaled
It is release and the related control message of right of speech management；
S12, it is provided in current logic channel the second descending of network-off direct-passing group service
Logic channel, second downlink logical channel is defined as the business of network-off direct-passing group service
Channel, the Traffic Channel of the network-off direct-passing group service is used for transmitting terminal in bearing cluster service
To the business datum of at least one receiving terminal.
The air interface transmission method of broadband colony offline straight communication provided in an embodiment of the present invention, by
The control channel DMCCH and business of network-off direct-passing group service are set up in current logic channel
Channel DMTCH, realizes air interface transmission of the broadband cluster in the case of network-off direct-passing.
In embodiments of the present invention, the air interface transmission method of the broadband colony offline straight communication is also wrapped
The step of including not shown in the following drawings：
S13, the control channel for determining according to the first mapping relations the network-off direct-passing group service
Mapping approach；And
S14, the Traffic Channel for determining according to the second mapping relations the network-off direct-passing group service
Mapping approach；
Wherein, include in first mapping relations and the second mapping relations logic channel,
Mapping relations between transmission channel and physical channel.
In embodiments of the present invention, in order to meet DMO cluster service requirements, patrolled in D2D
Collecting increase correlated channels in channel is used to carry out group service processing.It is implemented as follows：
For DMO group services, increase carries trunked call and sets up, calls release, language
Power management etc. control information downlink logical channel, be defined as DMO control channels (DMCCH,
Direct Mode Control Channel)；Under increase transmission cluster point multipoint message traffic data
Row channel, is defined as DMO Traffic Channels (DMTCH, Direct Mode Traffic
Channel)。
Channel mapping relations such as Fig. 3 institutes of DMO physical channels, transmission channel and logic channel
Show.
Further, in figure 3, the mapping of the control channel of the network-off direct-passing group service
Approach is specially：Control channel-D2D shared channels the SL-SCH- of network-off direct-passing group service
D2D Physical Shared Channels PSSCH；The Traffic Channel of the network-off direct-passing group service is reflected
The approach of penetrating is specially：Traffic Channel-D2D the shared channels of network-off direct-passing group service
SL-SCH-D2D Physical Shared Channels PSSCH.
Wherein, the DMCCH shown in Fig. 3 believes for network-off direct-passing group service control logic
Road, DMTCH is network-off direct-passing service logical channels, and STCH believes for D2D service logics
Road, SBCCH is D2D broadcast control logical channels.SL-DCH is that D2D has found transmission
Channel, SL-SCH is that D2D shares transmission channel, and SL-BCH is D2D broadcast transmission letters
Road.PSDCH is that D2D has found physical channel, and PSSCH is D2D Physical Shared Channels,
PSBCH is D2D Physical Broadcast Channel, and PSCCH is D2D physical control channels.
For embodiment of the method, in order to be briefly described, therefore it is all expressed as to a series of action
Combination, but those skilled in the art should know that the embodiment of the present invention is not by described
The limitation of sequence of movement, because according to the embodiment of the present invention, some steps can be suitable using other
Sequence is carried out simultaneously.Secondly, those skilled in the art should also know, be retouched in specification
The embodiment stated belongs to preferred embodiment, and the involved action not necessarily present invention is implemented
Necessary to example.
Fig. 4 shows the air interface transmission system of the broadband colony offline straight communication of the embodiment of the present invention
Structural representation.
Reference picture 4, the air interface transmission system of the broadband colony offline straight communication of the embodiment of the present invention,
Including the first setting unit 401 and the second setting unit 402, wherein：
First setting unit 401 is straight for being provided for off-grid in current logic channel
First downlink logical channel of logical group service, first downlink logical channel is defined as taking off
The control channel of the straight-through group service of net, the control channel of the network-off direct-passing group service is used for
Bearing cluster call setup, calling release and the related control message of right of speech management；
Second setting unit 402 is straight for being provided for off-grid in current logic channel
Second downlink logical channel of logical group service, second downlink logical channel is defined as taking off
The Traffic Channel of the straight-through group service of net, the Traffic Channel of the network-off direct-passing group service is used for
Business datum of the transmitting terminal at least one receiving terminal in bearing cluster service.
In embodiments of the present invention, the system further comprises that first not shown in accompanying drawing is true
Order member and the second determining unit, wherein：
First determining unit, for determining the network-off direct-passing collection according to the first mapping relations
The mapping approach of the control channel of group business；And
Second determining unit, for determining the network-off direct-passing collection according to the second mapping relations
The mapping approach of the Traffic Channel of group business；
Wherein, include in first mapping relations and the second mapping relations logic channel,
Mapping relations between transmission channel and physical channel.
In embodiments of the present invention, the mapping way of the control channel of the network-off direct-passing group service
Footpath is specially：Control channel-D2D shared channels the SCH-D2D of network-off direct-passing group service
Physical Shared Channel PSSCH；The mapping way of the Traffic Channel of the network-off direct-passing group service
Footpath is specially：Traffic Channel-D2D shared channels the SCH-D2D of network-off direct-passing group service
Physical Shared Channel PSSCH.
For system embodiment, because it is substantially similar to embodiment of the method, so description
It is fairly simple, the relevent part can refer to the partial explaination of embodiments of method.
In summary, the air interface transmission side of broadband colony offline straight communication provided in an embodiment of the present invention
Method and system, by the control channel that network-off direct-passing group service is set up in current logic channel
DMCCH and Traffic Channel DMTCH, and broadband cluster is realized by newly-increased logic channel
Air interface transmission in the case of network-off direct-passing, it is ensured that the group-calling service of broadband colony offline straight communication
Realize.
Through the above description of the embodiments, those skilled in the art can be understood that
It can be realized to the present invention by hardware, necessary general hardware platform can also be added by software
Mode realize.Understood based on such, technical scheme can be with software product
Form embody, the software product can be stored in a non-volatile memory medium (can
To be CD-ROM, USB flash disk, mobile hard disk etc.) in, including some instructions are to cause one
Platform computer equipment (can be personal computer, server, or network equipment etc.) is performed
Method described in each embodiment of the invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, it is attached
Module or flow in figure are not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that the module in device in embodiment can be according to reality
Apply example description be distributed in the device of embodiment, respective change can also be carried out and be located at difference
In one or more devices of the present embodiment.The unit of above-described embodiment can be merged into one
Unit, can also be further split into multiple submodule.
Described above is only some embodiments of the present invention, it is noted that led for this technology
For the those of ordinary skill in domain, under the premise without departing from the principles of the invention, it can also make
Some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of air interface transmission method of broadband colony offline straight communication, it is characterised in that the party
Method includes：
The first downlink logical of network-off direct-passing group service is provided in current logic channel
Channel, the control that first downlink logical channel is defined as network-off direct-passing group service is believed
Road, the control channel of the network-off direct-passing group service is used for bearing cluster call setup, calling
Release and the related control message of right of speech management；
The second downlink logical of network-off direct-passing group service is provided in current logic channel
Channel, the business that second downlink logical channel is defined as network-off direct-passing group service is believed
Road, the Traffic Channel of the network-off direct-passing group service is used for transmitting terminal in bearing cluster service and arrived
The business datum of at least one receiving terminal.
2. according to the method described in claim 1, it is characterised in that methods described also includes：
Determine that according to the first mapping relations the control channel of the network-off direct-passing group service is reflected
Penetrate approach；And
Determine that according to the second mapping relations the Traffic Channel of the network-off direct-passing group service is reflected
Penetrate approach；
Wherein, include in first mapping relations and the second mapping relations logic channel,
Mapping relations between transmission channel and physical channel.
3. method according to claim 2, it is characterised in that
The mapping approach of the control channel of the network-off direct-passing group service is specially：Network-off direct-passing
Control channel-D2D shared channel SCH-D2D Physical Shared Channels the PSSCH of group service；
The mapping approach of the Traffic Channel of the network-off direct-passing group service is specially：Network-off direct-passing
Traffic Channel-D2D shared channel SCH-D2D Physical Shared Channels the PSSCH of group service.
4. the air interface transmission system of a kind of broadband colony offline straight communication, it is characterised in that this is
System includes：
First setting unit, for being provided for network-off direct-passing cluster industry in current logic channel
First downlink logical channel of business, network-off direct-passing collection is defined as by first downlink logical channel
The control channel of group business, the control channel of the network-off direct-passing group service is used for bearing cluster
Call setup, calling release and the related control message of right of speech management；
Second setting unit, for being provided for network-off direct-passing cluster industry in current logic channel
Second downlink logical channel of business, network-off direct-passing collection is defined as by second downlink logical channel
The Traffic Channel of group business, the Traffic Channel of the network-off direct-passing group service is used for bearing cluster
Business datum of the transmitting terminal at least one receiving terminal in business.
5. system according to claim 4, it is characterised in that the system also includes：
First determining unit, for determining the network-off direct-passing cluster industry according to the first mapping relations
The mapping approach of the control channel of business；And
Second determining unit, for determining the network-off direct-passing cluster industry according to the second mapping relations
The mapping approach of the Traffic Channel of business；
Wherein, include in first mapping relations and the second mapping relations logic channel,
Mapping relations between transmission channel and physical channel.
6. system according to claim 5, it is characterised in that
The mapping approach of the control channel of the network-off direct-passing group service is specially：Network-off direct-passing
Control channel-D2D shared channel SCH-D2D Physical Shared Channels the PSSCH of group service；
The mapping approach of the Traffic Channel of the network-off direct-passing group service is specially：Network-off direct-passing
Traffic Channel-D2D shared channel SCH-D2D Physical Shared Channels the PSSCH of group service.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610144771.7A CN107197416A (en) | 2016-03-14 | 2016-03-14 | The air interface transmission method and system of a kind of broadband colony offline straight communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610144771.7A CN107197416A (en) | 2016-03-14 | 2016-03-14 | The air interface transmission method and system of a kind of broadband colony offline straight communication |
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| Publication Number | Publication Date |
|---|---|
| CN107197416A true CN107197416A (en) | 2017-09-22 |
Family
ID=59871156
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610144771.7A Pending CN107197416A (en) | 2016-03-14 | 2016-03-14 | The air interface transmission method and system of a kind of broadband colony offline straight communication |
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| WO2001062026A1 (en) * | 2000-02-17 | 2001-08-23 | Nokia Corporation | Handling connections in a mobile network |
| CN101400188A (en) * | 2007-09-26 | 2009-04-01 | 中兴通讯股份有限公司 | Transmission method for high-speed downlink shared channel under non-CELL_DCH state |
| CN103067876A (en) * | 2011-10-18 | 2013-04-24 | 普天信息技术研究院有限公司 | Method for transmitting control information under direct mode operation (DMO) and system thereof |
| CN103581840A (en) * | 2012-08-06 | 2014-02-12 | 普天信息技术研究院有限公司 | Transmission method and terminal for group calling service under direct mode operation |
-
2016
- 2016-03-14 CN CN201610144771.7A patent/CN107197416A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001062026A1 (en) * | 2000-02-17 | 2001-08-23 | Nokia Corporation | Handling connections in a mobile network |
| CN101400188A (en) * | 2007-09-26 | 2009-04-01 | 中兴通讯股份有限公司 | Transmission method for high-speed downlink shared channel under non-CELL_DCH state |
| CN103067876A (en) * | 2011-10-18 | 2013-04-24 | 普天信息技术研究院有限公司 | Method for transmitting control information under direct mode operation (DMO) and system thereof |
| CN103581840A (en) * | 2012-08-06 | 2014-02-12 | 普天信息技术研究院有限公司 | Transmission method and terminal for group calling service under direct mode operation |
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Application publication date: 20170922 |