CN103200533A - Implement method for cluster short message service - Google Patents
Implement method for cluster short message service Download PDFInfo
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Abstract
The invention provides an implement method for a cluster short message service. At a base station, cluster paging configuration information is sent to user equipment (UE) of all cluster groups in a resident community, when cluster short messages to be sent exist in the base station, a paging message of the cluster short messages is sent on a trunking paging control channel (TPCCH), and cluster short message information is sent on a trunking control channel (TCCH). At the UE, the cluster paging configuration information sent by the base station is received, a moment when the TPCCH receives the cluster paging message is confirmed, the UE receives the cluster paging message carried on the TPCCH on subframes which corresponds with the confirmed moment when cluster paging message is received, and after the received cluster paging message is confirmed as a paging message of the cluster short messages, and the UE receives the cluster short message information sent by the base station on the TCCH. The implement method for the cluster short message service is capable of achieving transmission of the cluster short message service.
Description
Technical field
The present invention relates to the short message service technology, particularly a kind of implementation method of cluster short information service.
Background technology
The TD-LTE technology is new generation broadband mobile communication wireless access technology, compares with the wireless access technology of existing 2G, 3G mobile communication system, and it has characteristics such as transmission rate height, little, the high QoS assurance of propagation delay time.Technical at existing TD-LTE, the characteristic of increase group service realizes that TD-LTE wideband digital trunked communication system is the developing direction of trunked communication system.Can use data transmission applications more and more during along with various industry user's routine works and processing emergency event, short message service becomes one of the requisite basic function of mobile communication system and business, is very important in the short message service of TD-LTE wideband digital trunking communication system realizing.Short message is fit on valuable information, instruction and the information of issue command scheduling by the information transmission between quick and easy flow process realization user in real time.The real-time short message of indication is the mechanism of transmitting short data message from a user to a cluster group among the application, is not have to confirm at transport process.
At the characteristic of point multipoint message traffic, TD-LTE wideband digital trunked communication system is revised the air interface scheme on the basis of TD-LTE technology.By increasing new logic channel and transmission channel, realize the professional short calling foundation of cluster multi call, specific design is as follows:
1. the descending logic channel of cluster multi call
1) clustered paging control channel (TPCCH, Trunking Paging Control Channel) is defined as the descending paging channel of the UEs of a cluster group of paging that a little arrives multiple spot, and this channel carries the group calling paging information.
2) cluster control channel (TCCH, Trunking Control Channel) defining point to multiple spot be the down channel of the UEs transmission control information of a cluster group, this channel carries trunked call and sets up, calls out control informations such as release, right of speech notice.
What 3) group service channel (TTCH, Trunking Traffic Channel) was defined as some multiple spot is the down channel of the UEs business transferring information of a cluster group, these channel transfer cluster point multipoint message traffic data.
2. transmission channel
According to the characteristics of clustered paging control logic channel, increase the transmission channel of bearing cluster paging control logic channel, be defined as clustered paging transmission channel (TPCH, Trunking Paging Channel).
3. the mapping relations of logic channel, transmission channel and physical channel
The mapping approach of clustered paging control channel TPCCH is TPCCH-TPCH-PDSCH (Physical Downlink Shared Channel), and the mapping approach of cluster control channel TCCH is TCCH-DL-SCH (downlink shared transmission channel)-PDSCH; The mapping approach of group service channel TTCH is TTCH-DL-SCH-PDSCH.
ENB indicates allocation of radio resources by Physical Downlink Control Channel (PDCCH), can use RNTI to carry out scrambling to PDCCH.The RNTI that is mapped on the PDCCH depends on logical channel type:
-TP-RNTI (clustered paging RNTI) is used for the CRC of PDCCH of scrambling TPCCH correspondence and the scrambling initialization that is used for TPCCH;
-G-RNTI (group RNTI) is used for the CRC of PDCCH of scrambling TCCH and TTCH correspondence and the scrambling initialization that is used for TCCH and TTCH.
Owing to do not consider the group service of point-to-multipoint in the standard of LTE system as yet, be not given in how to realize the cluster short information service transmission on the air interface in the current agreement.So, how aloft the real-time short message service based on TD-LTE broadband group system realizes in time, transmits rapidly the problem that becomes urgent solution on the interface.
Summary of the invention
The invention provides a kind of implementation method of cluster short information service, can in the group system of TD-LTE broadband, realize the transmission of cluster short information service.
For achieving the above object, the present invention adopts following technical scheme:
A kind of sending method of cluster short information comprises:
A, base station each cluster group UE signalling of bouquet paging configuration information in the residential quarter is used to indicate moment of signalling of bouquet beep-page message on TPCCH;
B, when there is cluster short information to be sent in the base station, according to the described indicated moment of clustered paging configuration information, on TPCCH to the beep-page message of cluster group UE signalling of bouquet short message;
C, base station on TCCH to cluster group UE signalling of bouquet short message information.
Preferably, described clustered paging configuration information comprises the time information of signalling of bouquet beep-page message in paging cycle and each paging cycle.
Preferably, in described step B, when there is cluster short information to be sent in network side, carry out the operation of the beep-page message of described signalling of bouquet short message in the moment of next nearest signalling of bouquet beep-page message.
Preferably, among the step B when the beep-page message of signalling of bouquet short message, with the CRC on the PDCCH of clustered paging RNTI (TP-RNTI) the scrambling TPCCH correspondence of cluster group;
Among the step C when the signalling of bouquet short message information, with the CRC of the PDCCH of group RNTI (G-RNTI) the scrambling TCCH correspondence of cluster group.
A kind of method of reseptance of cluster short information comprises:
Cluster group UE in A, the residential quarter receives the clustered paging configuration information that the base station issues, and determines to receive at TPCCH the moment of clustered paging message according to this clustered paging configuration;
B, on the subframe of the moment correspondence of the reception clustered paging message of determining, UE receives the clustered paging message that TPCCH goes up carrying;
C, after the clustered paging message of determining reception is the beep-page message of cluster short information, described UE receives the cluster short information information that the base station issues at TCCH.
Preferably, described clustered paging configuration information comprises the time information of signalling of bouquet beep-page message in paging cycle and each paging cycle.
Preferably, UE described in the step B receives the clustered paging message that TPCCH goes up carrying: described UE detects with the authorization message on the PDCCH of clustered paging RNTI (TP-RNTI) sign of cluster group, receives and resolve clustered paging message on the TPCCH according to the Radio Resource of this PDCCH indication;
UE described in the step C in the cluster short information information that TCCH reception base station issues is: described UE detects with the authorization message on the PDCCH of group RNTI (G-RNTI) sign of cluster group, and the Radio Resource reception and the parsing TCCH that indicate according to this PDCCH go up the cluster short information of transmission.
As seen from the above technical solution, among the present invention, in base station side, each cluster group UE signalling of bouquet paging configuration information in the residential quarter is used to indicate moment of signalling of bouquet beep-page message on TPCCH; When there is cluster short information to be sent in the base station, on TPCCH to the beep-page message of cluster group UE signalling of bouquet short message; The base station on TCCH to cluster group UE signalling of bouquet short message information.In the UE side, the cluster group UE in the residential quarter receives the clustered paging configuration information that the base station issues, and determines to receive at TPCCH the moment of clustered paging message according to this clustered paging configuration; On the subframe of the moment correspondence of the reception clustered paging message of determining, UE receives the clustered paging message that TPCCH goes up carrying; After the clustered paging message of determining reception was the beep-page message of cluster short information, described UE received the cluster short information information that the base station issues at TCCH.By the way, can realize the transmission of cluster short information service.
Description of drawings
Fig. 1 is the particular flow sheet of cluster short information sending method among the present invention;
Fig. 2 is the particular flow sheet of cluster short information method of reseptance among the present invention.
Embodiment
For making purpose of the present invention, technological means and advantage clearer, below in conjunction with accompanying drawing the present invention is described in further details.
Among the present invention, in order to guarantee that real-time short message can transmit quickly, utilize the clustered paging control channel (TPCCH) of carrying group-calling service and the transmission that cluster control channel (TCCH) carries out real-time short message service, the paging information that is real-time short message transmits by the TPCCH logic channel, and short message information is by the transmission of TCCH logic channel in real time.For this reason, the definition of TPCCH and TCCH is carried out following replenishing:
1) clustered paging control channel (TPCCH, Trunking Paging Control Channel) is defined as the descending paging channel of the UEs of a cluster group of paging that a little arrives multiple spot, and this channel carries group calling paging information and short message paging information.
2) cluster control channel (TCCH, what Trunking Control Channel) be defined as some multiple spot is the UEs transmission control information of a cluster group and the down channel of short message information, and this channel carries trunked call and sets up, calls out control information and short message information such as release, right of speech notice.
The implementation method of cluster short information service comprises the processing of base station side and the processing of UE side among the present invention, and the mutual correspondence in two aspects cooperatively interacts, and realizes timely, the effectively transmission of cluster short information service.When introducing specific implementation of the present invention by specific embodiment below, be introduced together in conjunction with the handling process of base station side and UE side.Fig. 1 carries out the particular flow sheet that cluster short information sends for base station side among the present invention, and as shown in Figure 1, this method comprises:
By the configuration information of broadcast notice TPCCH channel, i.e. clustered paging configuration information comprises the delivery time information of clustered paging message in the configuration information of this TPCCH channel.Preferably, this clustered paging message is periodically to send, and comprises paging cycle and frame number, subframe numbers in the delivery time information of clustered paging message.Wherein, frame number is used for the serial number of radio frames in described paging cycle of expression cluster group paging information, and subframe numbers is used for the subframe of expression cluster group paging information in the numbering of described radio frames.
The clustered paging message of TPCCH channel bearing need be set up which cluster multi call and cluster short information for terminal under notice RRC idle condition and/or the RRC connection status.Clustered paging sent with the cycle that can join, by the configuration information of broadcast notice TPCCH channel.In the configuration information of TPCCH channel, comprise cycle (being the transmission cycle of TPCCH), frame number and subframe numbers that clustered paging message sends.The configuration parameter of TPCCH is as follows:
Wherein, tpcchCycle represents the cycle that clustered paging message sends, i.e. the cycle of TPCCH transmission; Rf2 represents the transmission cycle of 2 radio frames, rf4 represents that 4 radio frames send the cycle, rf6 represents that 6 radio frames send the cycle, rf8 represents that 8 radio frames send the cycle, rf10 represents that 10 radio frames send the 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 which radio frames of TPCCH in the transmission cycle sends, and defaults to 0, and receiving terminal calculates the system wireless frame number SFN that sends TPCCH by following formula.
(SFN?mod?tpcchCycle)＝frameNumber
SubframeNumber represents which wireless sub-frame of FN the radio frames of TPCCH in the transmission cycle (is that calling time (Paging Occasion, PO) wireless sub-frame) is gone up transmission, defaults to 0.
Like this, PO subframe of FN the radio frames of base station in the TPCCH transmission cycle sent out the beep-page message to terminal up and down, and terminal receives the beep-page message that the base station sends in the TPCCH transmission cycle at corresponding calling time.Wherein, the beep-page message of base station transmission comprises the beep-page message of cluster group beep-page message and cluster short information.The base station is not distinguished the classification of the beep-page message that needs transmission usually, and the clustered paging process is to be triggered by core net, is used for notifying the UE paging receiving request of certain cluster group.
Specifically when the beep-page message of signalling of bouquet short message, if the indicated moment of cluster configuration information is periodically to repeat, namely organize by the mode of aforementioned TPCCH-Config, so when determining to have cluster short information to be sent, at the delivery time of next nearest clustered paging message, the beep-page message of signalling of bouquet short message.The also i.e. beep-page message of PO subframe of FN subframe by TPCCH channel bearing information signalling of bouquet short message in next nearest paging cycle.
When the beep-page message of signalling of bouquet short message, with the CRC on the PDCCH of clustered paging RNTI (TP-RNTI) the scrambling TPCCH correspondence of cluster group.
Simultaneously, only send once for the beep-page message of cluster short information, need periodically to send and insert because lagging unlike the group calling beep-page message of cluster group.In addition, as previously mentioned, the beep-page message of cluster short information only sends once, is triggered by core net.
When actual treatment, the base station namely guarantees the foundation that the clustered paging message of UE has been finished detection and carried after finishing a fixed response time of clustered paging message, carry out the transmission of cluster short information information again.
When specifically carrying out the cluster short information transmission of Information, this cluster short information information is carried on the TCCH logic channel transmits, and with the CRC of the PDCCH of group RNTI (G-RNTI) the scrambling TCCH correspondence of cluster group.
So far, the cluster short information sending method flow process of base station side finishes.
Fig. 2 carries out the particular flow sheet that cluster short information receives for UE among the present invention.As shown in Figure 2, this method comprises:
UE receives the clustered paging configuration information, determines to receive the moment of clustered paging message.
The delivery time of the clustered paging message of determining according to step 201, terminal will detect the authorization message that the PDCCH with the TP-RNTI sign transmits in the subframe of corresponding moment correspondence; If the PDCCH that receives with the TP-RNTI sign goes up the authorization message of transmission, then according to the PDCCH indication TPCH is decoded; If TPCH is successfully decoded, the MAC PDU that success is decoded is submitted to high level.
Whether by the parsing that the TPCCH that goes up carrying for TPCH goes up clustered paging message, can determine this clustered paging message is the beep-page message of cluster short information, and concrete mode belongs to those skilled in the art's common technology means, just repeats no more here.If this beep-page message is the beep-page message of cluster short information, then UE continues execution in step 203.
If the moment of the signalling of bouquet beep-page message that disposes in the aforementioned cluster configuration information is periodically repetition, then UE detects the TPCCH channel information on PO subframe phase last week property ground of FN radio frames of each paging cycle.Concrete detection mode just repeats no more as previously mentioned here.
As described in the step 103 among Fig. 1, cluster short information information is carried on when transmitting on the TCCH logic channel, is the CRC with the PDCCH of group RNTI (G-RNTI) the scrambling TCCH correspondence of cluster group.
And all disposing the G-RNTI of cluster group among the UE, UE will be that sign is monitored on the PDCCH channel the descending distribution by the G-RNTI sign with G-RNTI; If UE receives the downstream grants that identifies with G-RNTI in current TTI, terminal is indicated the TB piece that obtains on the corresponding DL-SCH according to PDCCH, and attempts this TB piece is decoded; If this TB piece is decoded successfully, the MAC PDU that success is decoded is submitted to the demultiplexing composite entity; The demultiplexing composite entity carries out demultiplexing and fractionation to this MAC PDU, and MAC SDU is submitted to high level, and high level obtains short message information.
So far, the cluster short information method of reseptance flow process of UE side finishes among the present invention.
By the specific implementation of the invention described above as seen, utilize the TPCCH of carrying group-calling service and the transmission that TCCH carries out real-time short message service among the present invention, at the paging information of the real-time short message of TPCCH transmission, in the real-time short message information of TCCH transmission.Like this, short message is aloft realized in time, is sent rapidly, to satisfy the requirement of trunked communication system on the interface.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, is equal to replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (7)
1. the sending method of a cluster short information is characterized in that, this method comprises:
A, base station each cluster group UE signalling of bouquet paging configuration information in the residential quarter is used to indicate moment of signalling of bouquet beep-page message on TPCCH;
B, when there is cluster short information to be sent in the base station, according to the described indicated moment of clustered paging configuration information, on TPCCH to the beep-page message of cluster group UE signalling of bouquet short message;
C, base station on TCCH to cluster group UE signalling of bouquet short message information.
2. method according to claim 1 is characterized in that, described clustered paging configuration information comprises the time information of signalling of bouquet beep-page message in paging cycle and each paging cycle.
3. method according to claim 2, it is characterized in that, in described step B, when there is cluster short information to be sent in network side, carry out the operation of the beep-page message of described signalling of bouquet short message in the moment of next nearest signalling of bouquet beep-page message.
4. according to arbitrary described method in the claim 1 to 3, it is characterized in that, among the step B when the beep-page message of signalling of bouquet short message, with the CRC on the PDCCH of clustered paging RNTI (TP-RNTI) the scrambling TPCCH correspondence of cluster group;
Among the step C when the signalling of bouquet short message information, with the CRC of the PDCCH of group RNTI (G-RNTI) the scrambling TCCH correspondence of cluster group.
5. the method for reseptance of a cluster short information is characterized in that, this method comprises:
Cluster group UE in A, the residential quarter receives the clustered paging configuration information that the base station issues, and determines to receive at TPCCH the moment of clustered paging message according to this clustered paging configuration;
B, on the subframe of the moment correspondence of the reception clustered paging message of determining, UE receives the clustered paging message that TPCCH goes up carrying;
C, after the clustered paging message of determining reception is the beep-page message of cluster short information, described UE receives the cluster short information information that the base station issues at TCCH.
6. method according to claim 5 is characterized in that, described clustered paging configuration information comprises the time information of signalling of bouquet beep-page message in paging cycle and each paging cycle.
7. according to claim 5 or 6 described methods, it is characterized in that, UE described in the step B receives the clustered paging message that TPCCH goes up carrying: described UE detects with the authorization message on the PDCCH of clustered paging RNTI (TP-RNTI) sign of cluster group, receives and resolve clustered paging message on the TPCCH according to the Radio Resource of this PDCCH indication;
UE described in the step C in the cluster short information information that TCCH reception base station issues is: described UE detects with the authorization message on the PDCCH of group RNTI (G-RNTI) sign of cluster group, and the Radio Resource reception and the parsing TCCH that indicate according to this PDCCH go up the cluster short information of transmission.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| 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 |
| CN109391911A (en) * | 2017-08-14 | 2019-02-26 | 成都鼎桥通信技术有限公司 | The SMS sending method of broadband cluster and base station |
| 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 |
| WO2019223792A1 (en) * | 2018-05-25 | 2019-11-28 | 中兴通讯股份有限公司 | Data transmission method, device, base station, terminal, and readable storage medium |
| CN113316094A (en) * | 2020-02-26 | 2021-08-27 | 成都鼎桥通信技术有限公司 | Method and system for sending cluster group short data |
| CN114143723A (en) * | 2020-09-03 | 2022-03-04 | 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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| KR20030018846A (en) * | 2001-08-31 | 2003-03-06 | 엘지전자 주식회사 | Position monitoring method for mobile communication device |
| CN100413353C (en) * | 2005-08-19 | 2008-08-20 | 华为技术有限公司 | Method of sending short messages from network side to users in trunked communication system |
| CN102149049B (en) * | 2010-02-08 | 2013-06-19 | 普天信息技术研究院有限公司 | Trunked service implementation method in digital trunking communication system and trunked user terminal |
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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 |
| CN109391911A (en) * | 2017-08-14 | 2019-02-26 | 成都鼎桥通信技术有限公司 | The SMS sending method of broadband cluster and base station |
| 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 |
| WO2019223792A1 (en) * | 2018-05-25 | 2019-11-28 | 中兴通讯股份有限公司 | Data transmission method, device, base station, terminal, and readable storage medium |
| US11470576B2 (en) | 2018-05-25 | 2022-10-11 | Zte Corporation | Data transmission method, device, base station, terminal and readable storage medium |
| CN113316094A (en) * | 2020-02-26 | 2021-08-27 | 成都鼎桥通信技术有限公司 | Method and system for sending cluster group short data |
| CN114143723A (en) * | 2020-09-03 | 2022-03-04 | 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 |
| 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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