CN103200533B - A kind of implementation method of cluster short information service - Google Patents
A kind of implementation method of cluster short information service Download PDFInfo
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Abstract
The invention provides the implementation method of a kind of cluster short information service, in base station side, each in community collects group UE signalling of bouquet paging configuration information, when base station exists cluster short information to be sent, the beep-page message of signalling of bouquet short message on TPCCH；And on TCCH signalling of bouquet short message information.In UE side, receive the clustered paging configuration information that issues of base station, determine when receiving clustering paging message on TPCCH；In the subframe that the moment of the reception clustering paging message determined is corresponding, UE receives the clustering paging message of carrying on TPCCH；When, after the beep-page message that clustering paging message is cluster short information determining reception, described UE receives the cluster short information information that base station issues on TCCH.By the present invention, the transmission of cluster short information service can be realized.
Description
Technical field
The present invention relates to short message service technology, particularly to the realization side of a kind of cluster short information service
Method.
Background technology
TD-LTE technology is new generation broadband mobile communication wireless access technology, moves logical with existing 2G, 3G
The wireless access technology of communication system is compared, and it has transfer rate height, little, the high QoS guarantee of propagation delay time etc.
Feature.In existing TD-LTE technology, increase the characteristic of group service, it is achieved TD-LTE wideband digital
Trunked communication system is the developing direction of trunked communication system.Along with various industry user's routine works and process
Can be increasingly using data transmission applications during emergency event, short message service becomes mobile communication system must
One of indispensable basic function and business, in TD-LTE wideband digital trunking communication system realizing short message industry
Business is very important.Short message realizes the information transmission between user by quick and easy flow process in real time, suitable
Close and issue valuable information, instruction and the information that command scheduling is on.The real-time short message of indication in the application
It is from a user to the mechanism of a Ge Ji group transmission short data message, in transmission process without confirming.
For the characteristic of point multipoint message traffic, TD-LTE wideband digital trunked communication system is in TD-LTE technology
On the basis of air interface schemes is modified.By increasing new logic channel and transmission channel, come
Realizing cluster multi call business fast call establishment, specific design is as follows:
1. cluster multi call downlink logical channel
1) clustered paging controls channel (TPCCH, Trunking Paging Control Channel) definition
For the downlink page channel of the UEs of point-to-multipoint paging one Ge Ji group, this channel carries group and exhales and seek
Exhale information.
2) clustered control channel (TCCH, Trunking Control Channel) defines and point-to-multipoint is
One Ge Ji group UEs transmission control information down channel, this channel carry trunked call set up,
Calling release, right of speech notice etc. control information.
3) group service channel (TTCH, Trunking Traffic Channel) is defined as point-to-multipoint
It is the down channel of the UEs business transferring information of a Ge Ji group, this channel transfer cluster point-to-multipoint
Business datum.
2. transmission channel
Control the feature of logic channel according to clustered paging, increase bearing cluster paging and control the biography of logic channel
Defeated channel, is defined as clustered paging transmission channel (TPCH, Trunking Paging Channel).
3. the mapping relations of logic channel, transmission channel and physical channel
It is TPCCH-TPCH-PDSCH (physics that clustered paging controls the mapping approach of channel TPCCH
DSCH Downlink Shared Channel), the mapping approach of clustered control channel TCCH is that TCCH-DL-SCH is (descending common
Enjoy transmission channel)-PDSCH；The mapping approach of group service channel TTCH is TTCH-DL-SCH
-PDSCH。
ENB is to indicate Radio Resource to distribute, to PDCCH by Physical Downlink Control Channel (PDCCH)
RNTI can be used to scramble.The RNTI being mapped on PDCCH depends on logical channel type:
-TP-RNTI (clustered paging RNTI), for scrambling the CRC of PDCCH corresponding for TPCCH
And the scrambling initialization for TPCCH；
-G-RNTI (group RNTI), for scrambling the CRC of PDCCH corresponding for TCCH with TTCH
And the scrambling initialization for TCCH and TTCH.
Owing to the specification of LTE system not yet considering the group service of point-to-multipoint, in Current protocol not
It is given in air interface how realizing cluster short information service transmission.So, based on TD-LTE width
With realizing in time on the real-time short message service interface the most aloft of group system, transmit rapidly becoming
The urgent problem solved.
Summary of the invention
The invention provides the implementation method of a kind of cluster short information service, it is possible at TD-LTE broadband collection
In group's system, it is achieved the transmission of cluster short information service.
For achieving the above object, the present invention adopts the following technical scheme that:
A kind of sending method of cluster short information, including:
A, base station each collection group UE signalling of bouquet paging configuration information in community, exists for instruction
The moment of TPCCH upper signalling of bouquet beep-page message；
B, when there is cluster short information to be sent in base station, indicated by described clustered paging configuration information
Moment, on TPCCH to collection group UE signalling of bouquet short message beep-page message；
C, base station on TCCH to collection group UE signalling of bouquet short message information.
It is preferred that signalling of bouquet is sought in described clustered paging configuration information includes paging cycle and each paging cycle
Exhale the time information of message.
It is preferred that in described step B, when network side exists cluster short information to be sent, under connecing
Carry out the behaviour of the beep-page message of the described signalling of bouquet short message of moment execution of nearest signalling of bouquet beep-page message
Make.
It is preferred that in step B when the beep-page message of signalling of bouquet short message, to collect the clustered paging of group
The CRC on PDCCH that RNTI (TP-RNTI) scrambling TPCCH is corresponding；
In step C when signalling of bouquet short message information, to collect group RNTI (G-RNTI) scrambling of group
The CRC of the PDCCH that TCCH is corresponding.
A kind of method of reseptance of cluster short information, including:
Collection group UE in A, community receives the clustered paging configuration information that base station issues, and seeks according to this cluster
Configuration is exhaled to determine when receiving clustering paging message on TPCCH；
B, in subframe corresponding to the moment of the reception clustering paging message determined, UE receives and holds on TPCCH
The clustering paging message carried；
C, when, after the beep-page message that clustering paging message is cluster short information determining reception, described UE exists
TCCH is upper receives the cluster short information information that base station issues.
It is preferred that signalling of bouquet is sought in described clustered paging configuration information includes paging cycle and each paging cycle
Exhale the time information of message.
It is preferred that UE described in step B receives the clustering paging message of carrying on TPCCH it is: described
UE detection with the authorization message on the PDCCH that identifies of clustered paging RNTI (TP-RNTI) of collection group,
The Radio Resource indicated according to this PDCCH receives and parses through the clustering paging message on TPCCH；
UE described in step C receives the cluster short information information that base station issues on TCCH: described
UE detection with the authorization message on the PDCCH that identifies of group RNTI (G-RNTI) of collection group, according to
The Radio Resource of this PDCCH instruction receives and parses through the cluster short information of transmission on TCCH.
As seen from the above technical solution, in the present invention, in base station side, each collection group in community
UE signalling of bouquet paging configuration information, for instruction on TPCCH when signalling of bouquet beep-page message；
When base station exists cluster short information to be sent, short to collection group UE signalling of bouquet on TPCCH
The beep-page message of message；Base station on TCCH to collection group UE signalling of bouquet short message information.At UE
Side, the collection group UE in community receives the clustered paging configuration information that base station issues, seeks according to this cluster
Configuration is exhaled to determine when receiving clustering paging message on TPCCH；At the reception clustered paging determined
In the subframe that moment of message is corresponding, UE receives the upper clustering paging message carried of TPCCH；When determining
After going out the beep-page message that clustering paging message is cluster short information received, described UE connects on TCCH
Receive the cluster short information information that base station issues.By the way, cluster short information service can be realized
Transmission.
Accompanying drawing explanation
Fig. 1 is the particular flow sheet of cluster short information sending method in the present invention；
Fig. 2 is the particular flow sheet of cluster short information method of reseptance in the present invention.
Detailed description of the invention
For making the purpose of the present invention, technological means and advantage clearer, below in conjunction with accompanying drawing to this
Invention is described in further details.
In the present invention, in order to ensure that real-time short message can transmit quickly, carrying group is utilized to exhale industry
The clustered paging of business controls channel (TPCCH) and clustered control channel (TCCH) carries out real-time short message industry
The transmission of business, the paging information of short message is by TPCCH logical channel transmission i.e. in real time, the shortest disappears
Breath information passes through TCCH logical channel transmission.To this end, the definition of TPCCH and TCCH is carried out as
Under supplement:
1) clustered paging controls channel (TPCCH, Trunking Paging Control Channel) definition
For the downlink page channel of the UEs of point-to-multipoint paging one Ge Ji group, this channel carries group and exhales paging
Information and short message paging information.
2) clustered control channel (TCCH, Trunking Control Channel) be defined as point-to-multipoint be
The UEs transmission control information of one Ge Ji group and the down channel of short message information, this channel carries cluster
Call setup, calling release, right of speech notice etc. control information and short message information.
In the present invention, the implementation method of cluster short information service includes processing and the place of UE side of base station side
Reason, two aspects mutually correspondence cooperates, it is achieved cluster short information service timely, effectively transmit.?
When implementing of the present invention is introduced, in conjunction with base station side and the process of UE side below by specific embodiment
Flow process is introduced together.Fig. 1 is the idiographic flow that in the present invention, base station side carries out cluster short information transmission
Figure, as it is shown in figure 1, the method includes:
Step 101, base station collection group UE in community issues clustered paging configuration information, indicates
The moment of TPCCH upper signalling of bouquet beep-page message.
By broadcast notice TPCCH channel configuration information, i.e. clustered paging configuration information,
The configuration information of this TPCCH channel comprises the delivery time information of clustering paging message.Preferably,
This clustering paging message is periodically to send, and comprises paging in the delivery time information of clustering paging message
Cycle and frame number, subframe numbers.Wherein, frame number is for representing that the radio frames of collection group paging information is described
Serial number in paging cycle, subframe numbers is for representing that the subframe of collection group paging information is described wireless
Numbering in frame.
The clustering paging message of TPCCH channel bearing is used for notifying RRC idle condition and/or RRC even
Which connect terminal under state to need to set up cluster multi call and cluster short information.Clustered paging can be joined with one
Cycle sends, by the configuration information of broadcast notice TPCCH channel.In joining of TPCCH channel
Confidence breath in comprise clustering paging message send cycle (i.e. the transmission cycle of TPCCH), frame number and
Subframe numbers.The configuration parameter of TPCCH is as follows:
Wherein, tpcchCycle represents the cycle that clustering paging message sends, i.e. the week that TPCCH sends
Phase；Rf2 represents the transmission cycle of 2 radio frames, and rf4 represents that 4 radio frames send the cycle, and rf6 represents
6 radio frames send the cycle, and rf8 represents that 8 radio frames send the cycle, and rf10 represents 10 radio frames
In the transmission cycle, rf12 represents that 12 radio frames send the cycle, and rf16 represents that 16 radio frames send the cycle,
Default to rf2；FrameNumber represents to send in the TPCCH which radio frames within the transmission cycle,
Defaulting to 0, receiving terminal calculates the system wireless frame number SFN sending TPCCH by equation below.
(SFN mod tpcchCycle)=frameNumber
SubframeNumber represent TPCCH FN radio frames within the transmission cycle which
Wireless sub-frame (i.e. calling time (Paging Occasion, PO) wireless sub-frame) is upper to be sent, and defaults to
0。
So, the PO subframe of base station FN radio frames within the TPCCH transmission cycle is upper and lower
Sending out the beep-page message to terminal, terminal is in corresponding calling time receives a TPCCH transmission cycle
The beep-page message that base station sends.Wherein, the beep-page message that base station sends comprises collection group page message and collection
The beep-page message of group's short message.Base station generally and does not differentiates between the classification of beep-page message needing to send, cluster
Paging is to be triggered by core net, for notifying that the UE of certain collection group receives paging request.
Step 102, when base station exists cluster short information to be sent, base station configures according to clustered paging
Moment indicated by information, to the beep-page message of collection group UE signalling of bouquet short message on TPCCH.
Specifically when the beep-page message of signalling of bouquet short message, if the moment indicated by cluster configuration information
It is repeated cyclically, i.e. organizes by the way of aforementioned TPCCH-Config, then determining
When there is cluster short information to be sent, at the delivery time of the most nearest clustering paging message, send out
Send the beep-page message of cluster short information.Namely in the most nearest paging cycle the FN subframe
By the beep-page message of TPCCH channel bearing information signalling of bouquet short message in PO subframe.
When the beep-page message of signalling of bouquet short message, to collect the clustered paging RNTI (TP-RNTI) of group
The CRC on PDCCH that scrambling TPCCH is corresponding.
Beep-page message simultaneously for cluster short information only sends once, and exhales unlike the group of collection group and seek
Message is exhaled to need periodically to send because of the access that lags.It addition, as it was previously stated, the paging of cluster short information
Message only sends once, core net trigger.
Step 103, base station, after the transmission completing clustering paging message, will be sent by TCCH channel
Cluster short information information.
When actual treatment, base station, after completing a fixed response time of clustering paging message, i.e. ensures UE pair
Clustering paging message completes detection and the foundation of carrying, then carries out the transmission of cluster short information information.
When specifically carrying out the transmission of cluster short information information, this cluster short information information is carried on TCCH
Transmit on logic channel, and with PDCCH corresponding for group RNTI (G-RNTI) the scrambling TCCH of collection group
CRC.
So far, the cluster short information sending method flow process of base station side terminates.
Fig. 2 is the particular flow sheet that in the present invention, UE carries out cluster short information reception.As in figure 2 it is shown,
The method includes:
Step 201, the collection group UE in community receives clustered paging configuration information, determines reception cluster
The moment of beep-page message.
UE receives clustered paging configuration information, determines the moment receiving clustering paging message.
Step 202, in the subframe that the moment of the reception clustering paging message determined is corresponding, UE receives
The clustering paging message of the upper carrying of TPCCH.
According to the delivery time of the clustering paging message that step 201 is determined, terminal will be in the corresponding moment pair
The authorization message of transmission on the PDCCH with TP-RNTI mark is detected in the subframe answered；If received
With the authorization message of transmission on the PDCCH of TP-RNTI mark, then indicate TPCH according to PDCCH
It is decoded；If TPCH is successfully decoded, the MAC PDU being successfully decoded is submitted to high level.
By for the parsing of clustering paging message on the TPCCH of carrying on TPCH, it is possible to determine
Whether this clustering paging message is the beep-page message of cluster short information, and concrete mode belongs to people in the art
The common technology means of member, the most just repeat no more.If this beep-page message is the paging of cluster short information
Message, then UE continues executing with step 203.
If the moment of the signalling of bouquet beep-page message of configuration is the heaviest in aforementioned cluster configuration information
Multiple, then UE FN radio frames of each paging cycle the PO subframe phase last week property detect
TPCCH channel information.Concrete detection mode is as it was previously stated, the most just repeat no more.
Step 203, UE, after being properly received the beep-page message of cluster short information of TPCCH channel, connects
Receive and detect the short message information of transmission on TCCH.
As described in the step 103 in Fig. 1, cluster short information information is carried on TCCH logic channel and uploads
Time defeated, it is the CRC of the PDCCH corresponding for group RNTI (G-RNTI) scrambling TCCH collecting group.
And the G-RNTI, UE that are equipped with collecting group in UE will monitor with G-RNTI for mark
The descending distribution identified by G-RNTI on PDCCH channel；If UE current TTI receive with
The downstream grants of G-RNTI mark, terminal obtains on corresponding DL-SCH according to PDCCH instruction
TB block, and attempt this TB block is decoded；If this TB block successfully decoded, by be successfully decoded
MAC PDU is submitted to demultiplex composite entity；This MAC PDU is solved by demultiplexing composite entity
Multiplexing and fractionation, be submitted to high level, high-rise acquisition short message information by MAC SDU.
So far, in the present invention, the cluster short information method of reseptance flow process of UE side terminates.
Implementing from the invention described above, utilizes the TPCCH of carrying group-calling service in the present invention
With the transmission that TCCH carries out real-time short message service, TPCCH transmits the paging of real-time short message
Information, transmits real-time short message information on TCCH.So, short message can be real on interface aloft
The most in time, send rapidly, to meet the requirement of trunked communication system.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within the spirit of invention and principle, any modification, equivalent substitution and improvement etc. done, should be included in
Within the scope of protection of the invention.
Claims (7)
1. the sending method of a cluster short information, it is characterised in that the method comprising the steps of:
A, base station each collection group UE signalling of bouquet paging configuration information in community, for instruction at collection
The moment of signalling of bouquet beep-page message on group Paging Control Channel TPCCH；
B, when there is cluster short information to be sent in base station, indicated by described clustered paging configuration information
Moment, on TPCCH to collection group UE disposable signalling of bouquet short message beep-page message；
C, base station on clustered control channel TCCH to collection group UE signalling of bouquet short message information.
Method the most according to claim 1, it is characterised in that described clustered paging configuration information includes
The time information of signalling of bouquet beep-page message in paging cycle and each paging cycle.
Method the most according to claim 2, it is characterised in that in described step B, work as network side
When there is cluster short information to be sent, perform institute in the moment of the most nearest signalling of bouquet beep-page message
State the operation of the beep-page message of signalling of bouquet short message.
4. according to described method arbitrary in Claim 1-3, it is characterised in that step B is sending
During the beep-page message of cluster short information, to collect the clustered paging Radio Network Temporary Identifier of group
The Cyclic Redundancy Code in physical downlink control channel PDCCH that RNTI (TP-RNTI) scrambling TPCCH is corresponding
Check (CRC)；
In step C when signalling of bouquet short message information, to collect group RNTI (G-RNTI) scrambling of group
The CRC of the PDCCH that TCCH is corresponding.
5. the method for reseptance of a cluster short information, it is characterised in that the method includes:
Collection group UE in A, community receives the clustered paging configuration information that base station issues, and seeks according to this cluster
Configuration is exhaled to determine when clustered paging controls to receive clustering paging message on channel TPCCH；
B, in subframe corresponding to the moment of the reception clustering paging message determined, UE receives and holds on TPCCH
The clustering paging message carried；
C, when according to receive clustering paging message determine the beep-page message that this beep-page message is cluster short information
After, described UE receives the cluster short information information that base station issues on clustered control channel TCCH.
Method the most according to claim 5, it is characterised in that described clustered paging configuration information includes
The time information of signalling of bouquet beep-page message in paging cycle and each paging cycle.
7. according to the method described in claim 5 or 6, it is characterised in that UE described in step B receives
The clustering paging message of the upper carrying of TPCCH is: described UE detection is to collect the clustered paging wireless network of group
The authorization message in physical downlink control channel PDCCH that temporary mark RNTI (TP-RNTI) identifies,
The Radio Resource indicated according to this PDCCH receives and parses through the clustering paging message on TPCCH；
UE described in step C receives the cluster short information information that base station issues on TCCH: described UE
Detect the authorization message on the PDCCH that identifies of group RNTI (G-RNTI) with collection group, according to this PDCCH
The Radio Resource of instruction receives and parses through the cluster short information of transmission on TCCH.
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| CN105635990A (en) * | 2014-11-06 | 2016-06-01 | 北京信威通信技术股份有限公司 | Method for transmitting short messages and status messages of LTE cluster group calling |
| CN109391911B (en) * | 2017-08-14 | 2022-02-15 | 成都鼎桥通信技术有限公司 | Short message sending method and base station of broadband cluster |
| CN107979819A (en) * | 2017-12-25 | 2018-05-01 | 海能达通信股份有限公司 | A kind of group in broadband cluster system exhales processing method and processing device |
| CN110049455A (en) * | 2018-01-17 | 2019-07-23 | 普天信息技术有限公司 | A kind of cluster group short message sends and receives processing method and processing device |
| CN110536286A (en) * | 2018-05-25 | 2019-12-03 | 中兴通讯股份有限公司 | Data transmission method, device, base station, terminal and readable storage medium storing program for executing |
| CN113316094B (en) * | 2020-02-26 | 2023-03-31 | 成都鼎桥通信技术有限公司 | Method and system for sending cluster group short data |
| CN114143723B (en) * | 2020-09-03 | 2022-11-29 | 成都鼎桥通信技术有限公司 | Method and equipment for sending and receiving trunking paging message in NR cell |
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| CN1805563A (en) * | 2005-08-19 | 2006-07-19 | 华为技术有限公司 | Method of sending short messages from network side to users in trunked communication system |
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| KR20030018846A (en) * | 2001-08-31 | 2003-03-06 | 엘지전자 주식회사 | Position monitoring method for mobile communication device |
| CN1805563A (en) * | 2005-08-19 | 2006-07-19 | 华为技术有限公司 | Method of sending short messages from network side to users in trunked communication system |
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