CN102547585A - Downlink channel multiplex method in broadband wireless communication system cluster service - Google Patents

Downlink channel multiplex method in broadband wireless communication system cluster service Download PDF

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Publication number
CN102547585A
CN102547585A CN2010106148080A CN201010614808A CN102547585A CN 102547585 A CN102547585 A CN 102547585A CN 2010106148080 A CN2010106148080 A CN 2010106148080A CN 201010614808 A CN201010614808 A CN 201010614808A CN 102547585 A CN102547585 A CN 102547585A
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group
channel
monitoring users
interface
free resources
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黄杨晖
高红梅
袁乃华
欧阳明光
贺刚
石海健
顾校军
张峰
赵渊
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TD Tech Ltd
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TD Tech Ltd
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Abstract

The invention provides a downlink channel multiplex method in a broadband wireless communication system cluster service. The method comprises the following steps that: when a group service is established, a network side distributes a set of empty resource to each cell of group users resident with the group service; and the network side sends a paging message with the information of the empty resource to all the group users in a group and instructs each group user of receiving the downlink data by a downlink channel in the empty resource. By the method, a plurality of group users in the same group in the cell can multiplex the same downlink channel in the cluster service of a broadband wireless communication system.

Description

Down channel multiplexing method in a kind of system of broadband wireless communication group service
Technical field
The present invention relates to the mobile communication technology field, refer in particular to the down channel multiplexing method in a kind of system of broadband wireless communication group service.
Background technology
Along with the develop rapidly of mobile communication technology, during GSM has been widely used in daily life and has worked, and bringing into play more and more important effect.And in existing mobile communications system, group service has become a kind of important business tine, and trunked communication system has also become an important branch in the GSM.
Along with every profession and trade strong day by day to cluster service requirement; Group system based on different technologies has also obtained development comparatively rapidly; Typically like pan-European trunked radio (TETRA; Trans European Trunked Radio) system, integrated digital strengthen network (iDEN, Integrated Digital Enhanced Network) system, railway GSM standard (GSM-R, GSM for Railway) etc.Yet; Because the application of broadband technology is later relatively; Therefore, though have advantages such as resource utilization height, networking flexibility, frequency resource be abundant, still be in a starting stage based on the research of the group system of wireless broad band technology based on the group system of wireless broad band technology.But; Along with inserting (WiMAX), 3G, worldwide interoperability for microwave wait the extensive commercialization of some wireless broad band technology and the remarkable advantage that above-mentioned wireless broad band technology had; Communication system (being system of broadband wireless communication) based on wireless broad band technology; Long Term Evolution (TD-LTE) system of TD SDMA (TD-SCDMA) system or TD-SCDMA for example must be with becoming the important solutions that satisfies the every profession and trade communication need.
In the group service of system of broadband wireless communication, one or more group calling groups (can abbreviate group as) can be arranged in the sub-district, and in a group one or more group user can be arranged.Wherein, the user in the group can be divided into two types according to its characteristic: speaker user and monitoring users.In a group, only there is a speaker user at synchronization.System need distribute up channel for this speaker user, and the up channel that makes this speaker user can pass through to be distributed sends data (for example, speech).Above-mentioned data will be broadcast to each monitoring users in this group through down channel; Monitoring users can not send data through up channel, and can only monitor down channel, receive the data (for example, listen to speaker user and send out speech) that above-mentioned speaker user sends.Above-mentioned speaker user can speech privilege releasing after speech finishes, thereby becomes monitoring users; Monitoring users then can obtain words power through the application of words power, thereby becomes speaker user.Therefore, in same group, need communicate through half-duplex mode between each user, promptly descending employing broadcast mode uply then only supplies the speaker to use.
By on can know that in the group service of system of broadband wireless communication, the data that each monitoring users in the group of sub-district needs through down channel speaker user to be sent are simultaneously monitored and received, and therefore must carry out multiplexing to the down channel in the group.Yet; Because the trade Special Network of system of broadband wireless communication still is in the Primary Study stage at present; Up to now; Industry does not also propose a kind ofly in system of broadband wireless communication, how the down channel of group service to be carried out multiplexing technical scheme, with the problem of the multiplexing same down channel of each group user in the same group that solves group service.And similarly be not based in the group system (like systems such as TETRA, iDEN, GSM-R) of broadband wireless communication technique; Accordingly down channel is carried out multiplexing method though have, because there is bigger difference in said system with realization principle based on the system of broadband wireless communication of broadband wireless communication technique; For example; When setting up group service, all used descending multiplex technique in the said system, but employed signaling process is the special signaling schemes of a cover in concrete the realization; Can not be applicable in the group service of system of broadband wireless communication; Therefore, how in system of broadband wireless communication, the down channel of group service is carried out multiplexingly, remaining in the industry one has technical problem to be solved.
Summary of the invention
The invention provides the down channel multiplexing method in a kind of system of broadband wireless communication group service; Thereby make that in the group service of system of broadband wireless communication a plurality of group user of same group can be carried out multiplexing to same down channel in the sub-district.
For achieving the above object, the technical scheme among the present invention is achieved in that
Down channel multiplexing method in a kind of system of broadband wireless communication group service, this method comprises:
When group service was set up, network side had the cell allocation one cover interface-free resources of the group user of said group service for each is resident;
Network side all group user in group are sent the beep-page message of the information that carries said interface-free resources, notify each group user to use the down channel downlink data receiving in the said interface-free resources.
Said interface-free resources is: the entity of PDCP and physical channel, and/or the entity of radio link control and physical channel, and/or the entity of medium access control protocol and physical channel.
Correspond to logic channel, said interface-free resources is: the DCCH of carrier signaling and the Dedicated Traffic Channel that carries user plane.
Correspond to transmission channel, said interface-free resources is: signaling dedicated channel and service-specific channel.
Correspond to physical channel, said interface-free resources is: the frequency time-slot code channel.
This method also further comprises:
In the group communication process after group service is set up; Network side sends downlink signaling through the monitoring users of down channel in group user, notifies the one or more monitoring users in the said group user to carry out the corresponding business operation according to said downlink signaling.
Comprise identify label and the operational order corresponding respectively in the said downlink signaling with one or more monitoring users.
This method also further comprises:
When each monitoring users in the group receives downlink signaling through down channel, will resolve said downlink signaling;
If the identify label in the downlink signaling that monitoring users parses is identical with the identify label of said monitoring users, then said monitoring users will be carried out entrained and the corresponding operational order of said monitoring users in the said downlink signaling.
Said downlink signaling is non-access layer information or access layer information.
Said down channel is a DCCH.
To sum up can know, the down channel multiplexing method in a kind of system of broadband wireless communication group service is provided among the present invention.In the down channel multiplexing method in said system of broadband wireless communication group service, because when group service is set up, network side will have the cell allocation one cover interface-free resources of the group user of said group service for each is resident; Then; Network side all group user in group are sent the beep-page message of the information that carries said interface-free resources; Notify each group user to use the down channel downlink data receiving in the said interface-free resources; Thereby make that in the group service of system of broadband wireless communication a plurality of group user of same group can be carried out multiplexing to same down channel in the sub-district.
Description of drawings
Fig. 1 is the schematic flow sheet of the down channel multiplexing method in the system of broadband wireless communication group service among the present invention.
Fig. 2 is the sketch map that uses the network configuration of down channel multiplexing method in the embodiment of the invention one.
Embodiment
For making the object of the invention, technical scheme and advantage express clearlyer, the present invention is remake further detailed explanation below in conjunction with accompanying drawing and specific embodiment.
The invention provides the down channel multiplexing method in a kind of system of broadband wireless communication group service, in the method, when group service is set up, network side will have the cell allocation one cover interface-free resources of the group user of said group service for each is resident; Then; Network side all group user in group are sent the beep-page message of the information that carries said interface-free resources; Notify each group user to use the down channel downlink data receiving in the said interface-free resources; Thereby make that in the group service of system of broadband wireless communication a plurality of group user of same group can be carried out multiplexing to same down channel in the sub-district.
Fig. 1 is the schematic flow sheet of the down channel multiplexing method in the system of broadband wireless communication group service among the present invention.As shown in Figure 1, in the down channel multiplexing method in the system of broadband wireless communication group service in the present invention, mainly comprise the step that is described below:
Step 101, when group service was set up, network side had the cell allocation one cover interface-free resources of the group user of this group service for each is resident.
In specific embodiment of the present invention, can at first set up a group service.When this group service is set up; System will distribute corresponding Internet resources for the group user of this group service, therefore, and network side; For example; Base station (NodeOne) will have the cell allocation one of the group user of this group service to overlap interface-free resources for each is resident, supply all users in this group to use jointly.
Wherein, In specific embodiment of the present invention; Said interface-free resources can be the entity and the physical channel of PDCP (PDCP), and/or the entity and the physical channel of Radio Link control (RLC) agreement, and/or the entity and the physical channel of media interviews control (MAC) agreement; Perhaps, correspond to logic channel, said interface-free resources can be the DCCH (DCCC) of carrier signaling and carry the Dedicated Traffic Channel (DTCH) of user plane; Or, corresponding to transmission channel, said interface-free resources can be signaling dedicated channel (DCH) and service-specific channel; Again perhaps, correspond to physical channel, said interface-free resources can be the frequency time-slot code channel (for example; The code channel of 2 spreading factor SF=16), be used for carrier signaling and user data.
Step 102, network side all group user in group are sent the beep-page message of the information that carries above-mentioned interface-free resources, notify each group user to use the down channel downlink data receiving in the above-mentioned interface-free resources.
Specifically; In specific embodiment of the present invention, when group service was set up, network side (for example; The beep-page message that NodeOne) will carry the information of above-mentioned interface-free resources sends to all group user in this group; Each group user (comprising speaker user and each monitoring users) after receiving above-mentioned beep-page message, all will be monitored the down channel in the above-mentioned interface-free resources, with downlink data receiving.Because a plurality of group user can use same down channel downlink data receiving jointly, therefore realized multiplexing to down channel.Wherein, said downlink data can be: downlink user face data and/or downlink signaling.
In addition; In specific embodiment of the present invention; In order to realize management to each monitoring users in the group; In the group communication process after group service is set up, network side can also send downlink signaling through the monitoring users of down channel in group user further, thereby the one or more monitoring users in the notice group user carry out the corresponding business operation according to said downlink signaling.Preferable, also can comprise identity (ID) sign and the operational order corresponding respectively in the said downlink signaling with one or more monitoring users; When each monitoring users in the group receives above-mentioned downlink signaling through down channel, all will resolve this downlink signaling; If the ID in the downlink signaling that monitoring users parses sign is identical with the ID sign of this monitoring users, then this monitoring users will be carried out entrained and the corresponding operational order of this monitoring users in this downlink signaling, operate thereby carry out corresponding business.If the sign of the ID in the downlink signaling that monitoring users parses is different with the ID sign of this monitoring users, then this monitoring users will not carry out business operation.Through above-mentioned method; Network side can be realized the management to one or more monitoring users in the group; For example; Certain monitoring users is carried out business operations such as remote control unlatching or remote closing, dynamically reorganization, cluster note, thereby realized a plurality of group user multiplexing to same down channel.In specific embodiment of the present invention, owing to go back portability and the corresponding operational order of above-mentioned business operation in the downlink signaling that network side sent, so group user can be carried out corresponding business operation according to this operational order.In addition, in specific embodiment of the present invention, above-mentioned down channel can be DCCC.
Below, will further introduce down channel multiplexing method of the present invention with the mode of specific embodiment.
Embodiment one
Fig. 2 is the sketch map that uses the network configuration of down channel multiplexing method in the embodiment of the invention one.As shown in Figure 2, in TD-SCDMA system or TD-LTE system, the entity of network side comprises: communications network system (CNS) 201 and base station (NodeOne or E-NodeB) 202, and group user is a subscriber equipment 203; Wherein, comprise scheduler (Scheduler) among the CNS 201.The state of group user is safeguarded by CNS201 and NodeOne 202 jointly.
When group service is set up, NodeOne will have the cell allocation one cover interface-free resources of the group user of this group service for each is resident; Set up in the process in group, NodeOne all monitoring users in group send the beep-page message of the information that carries above-mentioned interface-free resources, notify each monitoring users to use the down channel in the above-mentioned interface-free resources to receive downlink user face data.In addition; Network side can send downlink user face data to monitoring users through the down channel in the above-mentioned interface-free resources; Scheduler among the above-mentioned CNS then also can send downlink signaling to monitoring users through above-mentioned down channel; For example, Non-Access Stratum (NAS) message or Access Layer (AS) message, thus notify the one or more monitoring users in this group to carry out the corresponding business operation.Wherein, Downlink signaling (for example; NAS message or AS message) in carried corresponding monitoring users ID sign and with the corresponding operational order of this monitoring users (for example, said operational order can be to notify this monitoring users to be deleted out this group, joins operational orders such as another group).When all monitoring users receive above-mentioned downlink signaling through above-mentioned down channel, all will resolve this downlink signaling; If the sign of the ID in the downlink signaling that monitoring users parses is identical with the ID sign of this monitoring users; Then this monitoring users will (for example be carried out the corresponding business operation with the corresponding operational order of this monitoring users according to what carry in this downlink signaling; Said business operation can be the down channel that stops to monitor former group, triggers the flow process of the new group of adding etc.).If the sign of the ID in the downlink signaling that monitoring users parses is different with the ID sign of this monitoring users, then this monitoring users does not carry out business operation.That is to say that the monitoring users that only has above-mentioned ID sign just can be carried out the corresponding business operation according to the operational order in the above-mentioned downlink signaling.
Hence one can see that, and in above-mentioned down channel multiplexing method of the present invention, all group user in group all will use same set of interface-free resources to communicate.Wherein, Speaker user in the group uses the up channel in the above-mentioned interface-free resources to send data; And all monitoring users in the group all pass through the data that the channel multiplexing technology uses the down channel reception speaker user in the above-mentioned interface-free resources to send; Thereby realize the half-duplex call between a plurality of users in the group, saved the interface-free resources of system greatly, improved power system capacity and specification.In addition; Network side can also send downlink signaling through down channel to monitoring users further; When above-mentioned down channel is DCCC, because downlink signaling passes through the speed of DCCC transmission greater than the speed of sending through common signal channel, therefore can be so that the response of system is faster; And do not take valuable common channel resources, improved the efficient of system.
To sum up can know, propose the down channel multiplexing method in the above-mentioned system of broadband wireless communication group service in an embodiment of the present invention.In the down channel multiplexing method in above-mentioned system of broadband wireless communication group service, because when group service is set up, network side will have the cell allocation one cover interface-free resources of the group user of said group service for each is resident; Then; Network side all group user in group are sent the beep-page message of the information that carries said interface-free resources; Notify each group user to use the down channel downlink data receiving in the said interface-free resources; Thereby make that in the group service of system of broadband wireless communication a plurality of group user of same group can be carried out multiplexing to same down channel in the sub-district.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope that the present invention protects.

Claims (10)

1. the down channel multiplexing method in the system of broadband wireless communication group service is characterized in that this method comprises:
When group service was set up, network side had the cell allocation one cover interface-free resources of the group user of said group service for each is resident;
Network side all group user in group are sent the beep-page message of the information that carries said interface-free resources, notify each group user to use the down channel downlink data receiving in the said interface-free resources.
2. method according to claim 1 is characterized in that,
Said interface-free resources is: the entity of PDCP and physical channel, and/or the entity of radio link control and physical channel, and/or the entity of medium access control protocol and physical channel.
3. method according to claim 1 is characterized in that,
Correspond to logic channel, said interface-free resources is: the DCCH of carrier signaling and the Dedicated Traffic Channel that carries user plane.
4. method according to claim 1 is characterized in that,
Correspond to transmission channel, said interface-free resources is: signaling dedicated channel and service-specific channel.
5. method according to claim 1 is characterized in that,
Correspond to physical channel, said interface-free resources is: the frequency time-slot code channel.
6. method according to claim 1 is characterized in that, this method also further comprises:
In the group communication process after group service is set up; Network side sends downlink signaling through the monitoring users of down channel in group user, notifies the one or more monitoring users in the said group user to carry out the corresponding business operation according to said downlink signaling.
7. method according to claim 6 is characterized in that:
Comprise identify label and the operational order corresponding respectively in the said downlink signaling with one or more monitoring users.
8. method according to claim 7 is characterized in that, this method also further comprises:
When each monitoring users in the group receives downlink signaling through down channel, will resolve said downlink signaling;
If the identify label in the downlink signaling that monitoring users parses is identical with the identify label of said monitoring users, then said monitoring users will be carried out entrained and the corresponding operational order of said monitoring users in the said downlink signaling.
9. method according to claim 6 is characterized in that:
Said downlink signaling is non-access layer information or access layer information.
10. method according to claim 6 is characterized in that:
Said down channel is a DCCH.
CN2010106148080A 2010-12-21 2010-12-21 Downlink channel multiplex method in broadband wireless communication system cluster service Pending CN102547585A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104581951A (en) * 2013-10-17 2015-04-29 重庆重邮信科通信技术有限公司 Method for distributing radio resources for mobile trunking communication broadcasting carrying
WO2015143767A1 (en) * 2014-03-26 2015-10-01 海能达通信股份有限公司 Communication method based on distributed trunking communication system, and terminal
CN106304399A (en) * 2015-05-15 2017-01-04 夏普株式会社 Method and subscriber equipment for reconfiguration data carrying
US9713173B2 (en) 2012-10-31 2017-07-18 Zte Corporation Method for implementing trunking service, evolved node B and terminal
CN108307500A (en) * 2016-08-23 2018-07-20 成都鼎桥通信技术有限公司 A kind of method and terminal for closing cluster user
CN109391908A (en) * 2017-08-14 2019-02-26 成都鼎桥通信技术有限公司 The user face data sending method of broadband cluster and base station
WO2020113480A1 (en) * 2018-12-05 2020-06-11 北京小米移动软件有限公司 Downlink channel monitoring method, terminal, base station and storage medium

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1677563A1 (en) * 2004-12-29 2006-07-05 Lucent Technologies Inc. Channel assignment based on service type and wireless communication environment
CN101031112A (en) * 2006-03-03 2007-09-05 中兴通讯股份有限公司 Method for combining traditional call with enhanced call in CDMA digital packet
CN101202971A (en) * 2006-12-15 2008-06-18 华为技术有限公司 Half-duplex call channel control method, network side apparatus, user terminal and system
CN100438656C (en) * 2006-05-10 2008-11-26 华为技术有限公司 System and method for realizing group service
CN100461901C (en) * 2005-12-12 2009-02-11 中兴通讯股份有限公司 Method for realizing CDMA traditional packet digital calling talk process

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1677563A1 (en) * 2004-12-29 2006-07-05 Lucent Technologies Inc. Channel assignment based on service type and wireless communication environment
CN100461901C (en) * 2005-12-12 2009-02-11 中兴通讯股份有限公司 Method for realizing CDMA traditional packet digital calling talk process
CN101031112A (en) * 2006-03-03 2007-09-05 中兴通讯股份有限公司 Method for combining traditional call with enhanced call in CDMA digital packet
CN100438656C (en) * 2006-05-10 2008-11-26 华为技术有限公司 System and method for realizing group service
CN101202971A (en) * 2006-12-15 2008-06-18 华为技术有限公司 Half-duplex call channel control method, network side apparatus, user terminal and system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9713173B2 (en) 2012-10-31 2017-07-18 Zte Corporation Method for implementing trunking service, evolved node B and terminal
CN104581951A (en) * 2013-10-17 2015-04-29 重庆重邮信科通信技术有限公司 Method for distributing radio resources for mobile trunking communication broadcasting carrying
WO2015143767A1 (en) * 2014-03-26 2015-10-01 海能达通信股份有限公司 Communication method based on distributed trunking communication system, and terminal
CN106304399A (en) * 2015-05-15 2017-01-04 夏普株式会社 Method and subscriber equipment for reconfiguration data carrying
CN108307500A (en) * 2016-08-23 2018-07-20 成都鼎桥通信技术有限公司 A kind of method and terminal for closing cluster user
CN108307500B (en) * 2016-08-23 2020-06-19 成都鼎桥通信技术有限公司 Method and terminal for closing cluster users
CN109391908A (en) * 2017-08-14 2019-02-26 成都鼎桥通信技术有限公司 The user face data sending method of broadband cluster and base station
CN109391908B (en) * 2017-08-14 2021-06-15 成都鼎桥通信技术有限公司 User plane data sending method of broadband cluster and base station
WO2020113480A1 (en) * 2018-12-05 2020-06-11 北京小米移动软件有限公司 Downlink channel monitoring method, terminal, base station and storage medium

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Application publication date: 20120704