CN110505587A - Broadband cluster communication system group method for building up and device - Google Patents
Broadband cluster communication system group method for building up and device Download PDFInfo
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- CN110505587A CN110505587A CN201810482025.8A CN201810482025A CN110505587A CN 110505587 A CN110505587 A CN 110505587A CN 201810482025 A CN201810482025 A CN 201810482025A CN 110505587 A CN110505587 A CN 110505587A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H04W4/08—User group management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
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Abstract
The present invention provides a kind of broadband cluster communication system group method for building up and device.Method of the invention obtains the ability information of the UE under the group through base station after the group for receiving network side transmission establishes request；According to the ability information of UE, it can determine whether the group supports robust header compression agreement；After determining the community supporting robust header compression agreement, establish the group carried out data transmission using robust header compression agreement, it may be implemented to carry out compression transmission to the information header of IP grouping under different radio link state, the capacity of the downlink group of the information header occupancy of IP grouping can be reduced, downlink group capacity is improved, to improve the efficiency of transmission of broadband cluster communication system.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of broadband cluster communication system group method for building up and dress
It sets.
Background technique
Based on the broadband cluster communication system of long term evolution (Long Term Evolution, abbreviation LTE) technology, be
Dedicated group system is combined to be extended the system for realizing clustering functionality in LTE system, mainly by cluster core net, colony dispatching
The base station E-UTRAN (the E-UTRAN node of server (PTT Dispatching Server, abbreviation PDS), integrated clustering functionality
Or the node B, abbreviation eNB of evolution), the equipment composition such as terminal (User Equipment, abbreviation UE), realize one-to-many half pair
The cluster communication of work broadband.To monitoring and receiving signaling and business datum realization related service that shared channel is sent before UE, reversely
Send random access signaling；ENB Forward receiving PDS signaling and business datum carry out being processed and forwarded to UE, reversed to receive UE letter
Order is handled or is transmitted to PDS；PDS is the centrostigma of signaling and business, and the business datum of dialogue right user is received and forwarded
To eNB where all non-right of speech users, the traffic signaling centralized processing of dialogue right user and non-right of speech user.
B-TrunC is " the LTE number biography based on TD-LTE organized to set up by broadband cluster (B-TrunC) industry alliance
Defeated+cluster voice communication " private network broadband cluster system standard, the standard is mainly for cluster voice, cluster video and media
The broadbands such as colony dispatching group service function is standardized, have flexible bandwidth, spectral efficient, low time delay, high reliability spy
Sign can satisfy professional user to demands such as voice cluster, wideband data, emergency command scheduling.
At present in broadband cluster communication system, in data stream transmission process, robust header compression can be used
(Robust Header Compression detects ROHC) agreement.ROHC includes multiple and different compression sub-protocol, using not
The information header type of data flow is different in the data transmission of same compression sub-protocol, can be with Profile ID come unique identification one
The corresponding information header type of a compression sub-protocol.What is standardized at present has RTP/UDP/IP, UNCOMPRESSED, UDP/IP, ESP/
The corresponding compression sub-protocol of the information headers type such as IP.By taking RTP/UDP/IPB information header type as an example, the use of the compression sub-protocol
It include RTP/UDP/IP header in the protocol stack of family face, RTP/UDP/IP header increases the expense of 40 bytes (Byte), B-TrunC
Downlink group there are apparent capacity disadvantage, leading to broadband cluster communication system, transmission efficiency is low.
Summary of the invention
The present invention provides a kind of broadband cluster communication system group method for building up and device, to solve current broadband cluster
In communication system, the downlink group of B-TrunC leads to the efficiency of transmission of broadband cluster communication system there are apparent capacity disadvantage
Low problem.
It is an aspect of the invention to provide a kind of broadband cluster communication system group method for building up, comprising:
It receives the group that network side is sent and establishes request；
It is established and is requested according to the group, obtain the ability information of the UE under the group；
According to the ability information of the UE, determine whether the group supports robust header compression agreement；
If it is determined that the community supporting robust header compression agreement, then established and carried out using robust header compression agreement
The group of data transmission.
Another aspect of the present invention is to provide a kind of broadband cluster communication system group and establishes device, comprising:
Receiving module, the group for receiving network side transmission establish request；
Module is obtained, is requested for being established according to the group, obtains the ability information of the UE under the group；
Determining module determines whether the group supports robust header compression for the ability information according to the UE
Agreement；
Module is established, for if it is determined that the community supporting robust header compression agreement, then establish using robustness report
The group that head compression protocol carries out data transmission.
Broadband cluster communication system group provided by the invention method for building up and device are receiving network side by base station
The group of transmission establishes after request, obtains the ability information of the UE under the group；It, can be with according to the ability information of the UE
Determine whether the group supports robust header compression agreement；Determine the community supporting robust header compression agreement it
Afterwards, the group carried out data transmission using robust header compression agreement is established, may be implemented under different radio link state
Compression transmission is carried out to the information header of IP grouping, it is possible to reduce the capacity for the downlink group that the information header of IP grouping occupies improves
Downlink group capacity, to improve the efficiency of transmission of broadband cluster communication system.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is the broadband cluster communication system group method for building up flow chart that the embodiment of the present invention one provides；
Fig. 2 is broadband cluster communication system group method for building up flow chart provided by Embodiment 2 of the present invention；
Fig. 3 is the structural schematic diagram that the broadband cluster communication system group that the embodiment of the present invention three provides establishes device；
Fig. 4 is the structural schematic diagram that the broadband cluster communication system group that the embodiment of the present invention four provides establishes device.
Through the above attached drawings, it has been shown that the specific embodiment of the present invention will be hereinafter described in more detail.These attached drawings
It is not intended to limit the scope of the inventive concept in any manner with verbal description, but is by referring to specific embodiments
Those skilled in the art illustrate idea of the invention.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
Noun according to the present invention is explained first:
Group-calling service: being the most basic business that broadband cluster communication system provides.It is one-to-many half-duplex scheduling that group, which is exhaled,
Call, i.e., " get ready to go into action in hundreds ", exhales foundation to request by calling subscriber's initiation group first, and right of speech application can be passed through by organizing interior user
Journey request floor can only be spoken in the same time by a speaker user, and the other users in group are passively listened to.Currently, being based on
The broadband cluster multi call business of TD-LTE technology usually is initiated to discharge by calling subscriber.Dispatching desk can be carried out by the process of tolling breakdown
Group exhales release, and dispatching control center can also trigger group and exhale release process.
ROHC: being a kind of robust header compression agreement based on stream.During network data transmission, the same stream
IP is grouped its most of leader domain thresholding having the same.ROHC takes a reference packet in some stream, for other groupings
It only sends with respect to the information of reference packet variation in leader domain, to reach compression purpose, to more efficiently utilize bandwidth.
Meanwhile ROHC also passes through the hands such as the frequency and quantity of control feedback message, the nonsynchronous strict logical of detection and error checking and correction
Section makes the header compression mechanism have the validity and reasonable robustness of height.It is suitable in this way, ROHC then provides one
The header compression mechanism of high bit-error and long delay link.ROHC defines compressor (Compressor) and decompressor
(DeCompressor)。
Unidirectional mode (Unidirectional Mode, referred to as U-Mode U mode): being that ROHC agreement is supported
One of three kinds of operating modes.ROHC also divides Three models based on the form of feedback: unidirectional mode, bidirectional optimistic mode
(Bidirectional Optimistic mode, referred to as O-Mode O mode) and bidirectional reliable mode
(Bidirectional Reliable Mode, referred to as R-Mode R mode).Communication is unidirectional in unidirectional mode, pressure
Contracting device state transition is independent of feedback；Negative-feedback is positive feedback and negative in compulsory bidirectional reliable mode in bidirectional optimistic mode
Feedback is all compulsory.
Information header type identification (Profile ID): in order to carry out compression processing to a plurality of types of information headers,
ROHC agreement introduces the concept of Profile.According to the difference of information header, ROHC agreement has formulated unique Profile ID therewith
Corresponding, for example, the Profile ID of IP/UDP/RTP is 0x0001, the Profile ID of IP/RTP is 0x0002.
RB (Resource Bearer): the carrying between terminal and base station is referred to.RB is corresponding in physical layer and MAC layer
Different names are PRB (Physical RB) in physical layer, for indicating physical layer running time-frequency resource concept；It is VRB in MAC layer
(Virtual RB), for indicating MAC layer running time-frequency resource concept.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property or implicitly indicate the quantity of indicated technical characteristic.In the description of following embodiment, the meaning of " plurality " is two
More than a, unless otherwise specifically defined.
These specific embodiments can be combined with each other below, may be at certain for the same or similar concept or process
It is repeated no more in a little embodiments.Below in conjunction with attached drawing, the embodiment of the present invention is described.
Embodiment one
Fig. 1 is the broadband cluster communication system group method for building up flow chart that the embodiment of the present invention one provides.The present invention is real
Example is applied in current broadband cluster communication system, the downlink group of B-TrunC leads to broadband collection there are apparent capacity disadvantage
Group communication system the problem of transmission efficiency is low, provide broadband cluster communication system group method for building up, the cluster communication side
The executing subject of method is base station.As shown in Figure 1, specific step is as follows for this method:
Step S101, it receives the group that network side is sent and establishes request.
In broadband cluster communication system, when establishing group, it can be initiated from dispatching desk or speaker user to network side
Group establishes request, and network side is receiving group's foundation request, group is established request and is sent to base station, so that base station is connecing
After receiving foundation request, group is established according to the ability information of the UE under group.Wherein, network side can be cluster core
Net.
Step S102, it is established and is requested according to the group, obtain the ability information of the UE under the group.
Wherein, the UE under the group has multiple, and the ability information of UE includes at least whether UE supports robust header compression
Agreement.
In the present embodiment, is established and requested according to the group, obtained the ability information of the UE under the group, can specifically use
As under type is realized:
(1) base station receives the ability information for the UE that network side is sent.
Network side is after receiving group and establishing request, if network side storing has the ability information of the UE under the group,
Or network side gets the ability information of the UE under the group；The ability of UE under the lateral base station active transmission group of network
Information.It is established in request for example, the ability information of the UE under group can be carried in group, it can also be by the UE under the group
Ability information carry to send in client information at other to base station and be sent to base station, or UE capability reporting message can also be passed through
Deng the ability information of the UE sent to base station under the group.In the present embodiment, network side sends out the ability information of the UE under group
Giving base station can realize that the present embodiment is not specifically limited herein using any one mode in the prior art.
(2) base station is to UE transmitting capacity information inquiring request, so that UE feeds back its ability information.
It is eating dishes without rice or wine to UE active transmission UE capabilities request message base station；After UE receives the message, disappeared by UE capability reporting
UE ability information is reported to base station by breath.
Optionally, base station can also pass through UE capability indication message (UE after getting the ability information of UE
Capability InfoIndication) ability information of UE is reported to network side, for network side storing.
(3) base station sends the ability information inquiry request of the UE under the group to network side, so that network side obtains the group
The ability information of UE under group simultaneously feeds back UE and feeds back its ability information；The UE for receiving network side feedback feeds back its ability information.
Step S103, according to the ability information of UE, determine whether the group supports robust header compression agreement.
After the ability information for getting the UE under the group, robust header is not supported under the group by determining
The ratio UE of compression protocol shared in all UE under group；It is higher in the UE ratio for not supporting robust header compression agreement
When, if base station is carried out data transmission using robust header compression agreement with UE in the group of foundation, there is more UE's
Monitoring quality is poor, in this case it is considered that group does not support robust header compression agreement；Do not supporting robust header
When the UE ratio of compression protocol is lower, if the behaviour in service of current area is preferable, base station can be used in the group of foundation
Robust header compression agreement carries out data transmission with UE, it is ensured that and the monitoring quality of most of UE is high, simultaneously because using
Robust header compression agreement carries out compression transmission to the head information that IP is grouped, and downlink group capacity can be improved, so as to
Efficiency of transmission is improved, in this case it is considered that community supporting robust header compression agreement.
Step S104, if it is determined that the community supporting robust header compression agreement, then establish using robust header compression
The group that agreement carries out data transmission.
Base station is sent after determining the community supporting robust header compression agreement, through clustered control channel to each UE
GroupCallConfig message carries pdcp-Config configuration information, pdcp- in the GroupCallConfig message
Information header type employed in designated group in Config configuration information, so as to establish after group, UE is according to specified letter
The data that head type is carried out using robust header compression agreement and base station in group are ceased to transmit.For example, pdcp-Config is configured
The value of ROHC protocol-identifier and Profile ID is carried in information.The value of Profile ID is for specifying a kind of information header
Type.
Step S105, if it is determined that the group does not support robust header compression agreement, then common group is established.
Wherein, common group can be the group that can establish in any one existing broadband cluster communication system.It is general
Logical group can not use robust header compression agreement to carry out data transmission.
The embodiment of the present invention after the group for receiving network side transmission establishes request, is obtained under the group by base station
UE ability information；According to the ability information of UE, it can determine whether the group supports robust header compression agreement；True
After the fixed community supporting robust header compression agreement, the group carried out data transmission using robust header compression agreement is established
Group may be implemented to carry out compression transmission to the information header of IP grouping under different radio link state, it is possible to reduce IP grouping
The capacity for the downlink group that information header occupies, improves downlink group capacity, to improve the biography of broadband cluster communication system
Defeated efficiency.
Embodiment two
Fig. 2 is broadband cluster communication system group method for building up flow chart provided by Embodiment 2 of the present invention.In above-mentioned reality
On the basis of applying example one, in the present embodiment, according to the ability information of UE, determine whether the group supports robust header compression to assist
View, comprising: the ability information of UE includes at least whether UE supports robust header compression agreement；According to the ability information of UE, meter
It calculates and does not support ratio shared by the UE of robust header compression agreement in the UE under the group；If not supported in the UE under the group
Ratio shared by the UE of robust header compression agreement is more than or equal to the first default ratio, it is determined that the group does not support to be good for
Strong property header compression protocol；If not supporting ratio shared by the UE of robust header compression agreement less than in the UE under the group
One default ratio determines whether the group supports robust header compression to assist then according to the use information of cell where the group
View.As shown in Fig. 2, specific step is as follows for this method:
Step S201, it receives the group that network side is sent and establishes request.
The step is consistent with above-mentioned steps S101, and details are not described herein again for the present embodiment.
Step S202, it is established and is requested according to the group, obtain the ability information of the UE under the group.
The step is consistent with above-mentioned steps S102, and details are not described herein again for the present embodiment.
Step S203, it according to the ability information of UE, calculates and does not support robust header compression agreement in the UE under the group
UE shared by ratio.
Wherein, the ability information of UE includes at least whether UE supports robust header compression agreement.
Specifically, in the step, it can determine whether each UE supports robust header pressure according to the ability information of each UE
Contracting agreement counts the quantity for not supporting the UE of robust header compression agreement in the UE under group, according under group UE it is total
Number calculates the ratio of the sum of UE under the quantity for not supporting the UE of robust header compression agreement in the UE under group and group
Value, can be obtained ratio shared by the UE for not supporting robust header compression agreement in the UE under the group.
If step S204, do not supported in the UE under the group ratio shared by the UE of robust header compression agreement be greater than or
Person is equal to the first default ratio, it is determined that the group does not support robust header compression agreement.
Wherein, the first default ratio is the value set in the broadband cluster communication system in advance, and the first default ratio is
The maximum value of ratio shared by the UE of robust header compression agreement is not supported in UE under acceptable group.For example, first
Default ratio can be set as 3%, 5%, 7%, 8% or 10% etc., and the preferably first default ratio exists in the present embodiment
Value in [5%, 10%] section, the first default ratio can be set with experience according to actual needs by technical staff, this
The value of ratio default for first is not specifically limited in embodiment.
In the step, if do not supported in UE under the group ratio shared by the UE of robust header compression agreement be greater than or
Person is equal to the first default ratio, then base station, which can consider, does not support the UE ratio of robust header compression agreement higher, if building
Carried out data transmission using robust header compression agreement with UE in vertical group, then has the monitoring quality of the UE of major part
Difference, in this case it is considered that group does not support robust header compression agreement.
If step S205, not supporting ratio shared by the UE of robust header compression agreement less than in the UE under the group
One default ratio determines whether the group supports robust header compression to assist then according to the use information of cell where the group
View.
Wherein, the downlink RB of cell is utilized where the use information of cell where the group at least can be the current group
The ratio of group's quantity and the default maximum group quantity of cell has been established in cell where rate or the current group.
In the present embodiment, if not supporting ratio shared by the UE of ROHC agreement less than the first default ratio in UE under the group
Value, then base station determines whether the group supports robust header compression agreement according to the use information of cell where the group, has
Body can be realized using any one following mode:
(1) if not supporting in UE under the group, ratio shared by the UE of robust header compression agreement is default less than first
Ratio, then base station determines whether the group supports robust header according to the downlink RB utilization rate of cell where the current group
Compression protocol, specifically includes the following steps:
If not supporting ratio shared by the UE of robust header compression agreement less than first in the UE under step 1, the group
Default ratio, then the downlink RB utilization rate of cell where calculating the current group.
Specifically, the issued RB quantity in base station and in cell where base station can periodically calculate the current group
The RB quantity used, according to issued RB quantity and used RB quantity, under cell where calculating the current group
Row RB utilization rate=used RB quantity/issued RB quantity.
Step 2 judges whether the downlink RB utilization rate of current group place cell is greater than default utilization rate.
Wherein, the downlink RB that utilization rate is cell where the group set in the broadband cluster communication system in advance is preset
The minimum value of utilization rate.For example, default utilization rate can be set as 65%, 70%, 75% or 80% etc., in the present embodiment
Preferably default utilization rate value in [70%, 80%] section.Default utilization rate can be by technical staff according to actual needs
It is set with experience, is not specifically limited in the present embodiment for presetting the value of utilization rate.
If the downlink RB utilization rate of cell is greater than default utilization rate where step 3, the current group, it is determined that group's branch
Hold robust header compression agreement.
If the downlink RB utilization rate of cell where the current group is greater than default utilization rate, base station can determine current be somebody's turn to do
The downlink RB utilization rate of cell where group is higher, and the communication conditions of current area are preferable, and base station can be in the group of foundation
Carried out data transmission using robust header compression agreement with UE, the monitoring quality of UE can be made higher.In this case, base
It stands and determines the community supporting robust header compression agreement.
If the downlink RB utilization rate of cell is less than or equal to default utilization rate where step 4, the current group, it is determined that
The group does not support robust header compression agreement.
If the downlink RB utilization rate of cell is less than or equal to default utilization rate where the current group, base station can be true
The downlink RB utilization rate of cell is lower where the group before settled, and the communication conditions of current area are poor, in the group of foundation
If base station is carried out data transmission using robust header compression agreement with UE, the monitoring quality that will lead to UE is low.Such case
Under, base station determines that the group does not support robust header compression agreement.
(2) if not supporting in UE under the group, ratio shared by the UE of robust header compression agreement is default less than first
Ratio, then the ratio of group's quantity and the default maximum group quantity of cell has been established according to cell where the current group for base station,
Determine whether the group supports robust header compression agreement, specifically includes the following steps:
Step 1: if not supporting ratio shared by the UE of robust header compression agreement less than first in UE under the group
The ratio of group's quantity and the default maximum group quantity of cell has been established in default ratio, then cell where calculating the current group.
Wherein, the first default ratio is the value set in the broadband cluster communication system in advance, and the first default ratio is
The maximum value of ratio shared by the UE of robust header compression agreement is not supported in UE under acceptable group.For example, first
Default ratio can be set as 3%, 5%, 7%, 8% or 10% etc., and the preferably first default ratio exists in the present embodiment
Value in [5%, 10%] section, the first default ratio can be set with experience according to actual needs by technical staff, this
The value of ratio default for first is not specifically limited in embodiment.
Specifically, group's quantity has been established in cell where base station can periodically calculate the current group, according to the width
Default maximum group quantity with the cell pre-set in trunked communication system, it is small can to calculate current group place
The ratio of group's quantity and the default maximum group quantity of cell has been established in area.
Step 2: judging that the ratio of group's quantity and the default maximum group quantity of cell has been established in cell where the current group
Whether value is greater than the second default ratio.
Wherein, the second default ratio is the value set in the broadband cluster communication system in advance, and the second default ratio is
The minimum value of the ratio of group's quantity and the default maximum group quantity of cell has been established in cell where acceptable group.For example,
Second default ratio can be set as 55%, 60% or 65% etc., and the preferably second default ratio is in the present embodiment
60%.Second default ratio can be set with experience according to actual needs by technical staff, for second in the present embodiment
The value of default ratio is not specifically limited.
Step 3: if the ratio of group's quantity and the default maximum group quantity of cell has been established in cell where the current group
Greater than the second default ratio, it is determined that the community supporting robust header compression agreement.
If the ratio that group's quantity and the default maximum group quantity of cell has been established in cell where the current group is greater than the
Two default ratios, then base station can determine that the communication conditions of current area are preferable, and base station can be using strong in the group of foundation
Strong property header compression protocol carries out data transmission with UE, and the monitoring quality of UE can be made higher.In this case, base station determines
The community supporting robust header compression agreement.
Step 4: if the ratio of group's quantity and the default maximum group quantity of cell has been established in cell where the current group
Less than or equal to the second default ratio, it is determined that the group does not support robust header compression agreement.
If the ratio that group's quantity and the default maximum group quantity of cell has been established in cell where the current group be less than or
Person is equal to the second default ratio, then base station can determine that the communication conditions of current area are poor, and base station is such as in the group of foundation
Fruit is carried out data transmission using robust header compression agreement with UE, and the monitoring quality that will lead to UE is low.In this case, base station
Determine that the group does not support robust header compression agreement.
(3) if not supporting in UE under the group, ratio shared by the UE of robust header compression agreement is default less than first
Ratio, it is determined that the community supporting robust header compression agreement.
In the present embodiment, ratio shared by the UE of robust header compression agreement can not also be supported in the UE under the group
Example is that base station directly determines the community supporting robust header compression agreement less than the first default ratio, does not use robustness report
Head compression protocol carries out data transmission with UE, to guarantee the monitoring quality of all UE.
Above-mentioned steps S203-S205 is the ability information according to UE, determines whether the group supports robust header compression
The specific implementation of agreement, however, it is determined that whether the group supports robust header compression agreement to then follow the steps S206, if really
Whether the fixed group supports robust header compression agreement to then follow the steps S207.
Step S206, if it is determined that the community supporting robust header compression agreement, then establish using robust header compression
The group that agreement carries out data transmission.
In the present embodiment, after determining the community supporting robust header compression agreement, base station, which is established, uses robustness
The group that header compression protocol carries out data transmission, can specifically realize in the following way:
Base station sends parameter configuration to UE by clustered control channel, and parameter configuration includes at least robustness report
The information header type identification of head compression protocol, base station and UE establish the information header type identification according to robust header compression agreement
The group carried out data transmission.
Wherein, base station and UE are carried out data transmission using unidirectional mode.
In the present embodiment, base station can establish group with UE in base station using existing with the UE specific steps for establishing group
Method in, set base station and UE using robust header compression agreement for the configuration information of group, and according to parameter configuration
The information header type identification specified in information determines the type of the information header of IP grouping, and base station can be realized and UE is established according to strong
The group that the information header type identification of strong property header compression protocol carries out data transmission, the present embodiment establish base station and UE
The specific steps of group repeat no more.
Step S207, if it is determined that the group does not support robust header compression agreement, then common group is established.
Wherein, common group can be the group that can establish in any one existing broadband cluster communication system.It is general
Logical group can not use robust header compression agreement to carry out data transmission.
The embodiment of the present invention in the UE under the group by not supporting ratio shared by the UE of robust header compression agreement
Example is more than or equal to the first default ratio, and base station determines that the group does not support robust header compression agreement, so as to keep away
Exempt to establish in the case where there is more UE not support robust header compression agreement and be carried out using robust header compression agreement
The group of data transmission leads to the problem of communication quality difference in group；By not supporting robustness report in the UE under the group
Ratio shared by the UE of head compression protocol less than the first default ratio, base station according to the use information of cell where the group, into
One step determines whether the group supports robust header compression agreement, establishes and carries out data biography using robust header compression agreement
The defeated group, realize communication conditions in current area it is preferable when, base station can use robustness in the group of foundation
Header compression protocol carries out data transmission with UE, can be under the premise of the monitoring quality of most of UE is higher, using robustness
Header compression protocol carries out compression transmission to the head information that IP is grouped, and downlink group capacity can be improved, and passes so as to improve
Defeated efficiency, in this case it is considered that community supporting robust header compression agreement.
Embodiment three
Fig. 3 is the structural schematic diagram that the broadband cluster communication system group that the embodiment of the present invention three provides establishes device.This
The broadband cluster communication system group that inventive embodiments provide, which establishes device, can execute the foundation of broadband cluster communication system group
The process flow that embodiment of the method provides.As shown in figure 3, the device 30 includes: receiving module 301, obtains module 302, determines
Module 303 and establish module 304.
Specifically, the group that receiving module 301 is used to receive network side transmission establishes request.
It obtains module 302 to be used to establish request according to group, obtains the ability information of the UE under group.
Determining module 303 is used for the ability information according to UE, determines whether group supports robust header compression agreement.
Module 304 is established for if it is determined that community supporting robust header compression agreement, then establish using robust header
The group that compression protocol carries out data transmission.
Device provided in an embodiment of the present invention can be specifically used for executing embodiment of the method provided by above-described embodiment one,
Details are not described herein again for concrete function.
The embodiment of the present invention after the group for receiving network side transmission establishes request, is obtained under the group by base station
UE ability information；According to the ability information of UE, it can determine whether the group supports robust header compression agreement；True
After the fixed community supporting robust header compression agreement, the group carried out data transmission using robust header compression agreement is established
Group may be implemented to carry out compression transmission to the information header of IP grouping under different radio link state, it is possible to reduce IP grouping
The capacity for the downlink group that information header occupies, improves downlink group capacity, to improve the biography of broadband cluster communication system
Defeated efficiency.
Example IV
Fig. 4 is the structural schematic diagram that the broadband cluster communication system group that the embodiment of the present invention four provides establishes device.In
On the basis of above-described embodiment three, in the present embodiment, as shown in figure 4, determining module 303 includes: computational submodule 3031, first
Determine that submodule 3032 and second determines submodule 3033.
Specifically, computational submodule 3031 is used for the ability information according to UE, calculates in the UE under group and does not support stalwartness
Property header compression protocol UE shared by ratio, the ability information of UE includes at least whether UE supports robust header compression to assist
View.
If first determines submodule 3032 for not supporting shared by the UE of robust header compression agreement in the UE under group
Ratio be more than or equal to the first default ratio, it is determined that group does not support robust header compression agreement.
If second determines submodule 3033 for not supporting shared by the UE of robust header compression agreement in the UE under group
Ratio less than the first default ratio, then according to the use information of cell where group, determine whether group supports robustness report
Head compression protocol.
Optionally, second determine that submodule 3033 is also used to:
If not supporting ratio shared by the UE of robust header compression agreement less than the first default ratio in the UE under group,
The downlink RB utilization rate of cell where then calculating current group；Whether the downlink RB utilization rate of cell is big where judging current group
In default utilization rate；If the downlink RB utilization rate of cell is greater than default utilization rate where current group, it is determined that community supporting is strong
Strong property header compression protocol；If the downlink RB utilization rate of cell is less than or equal to default utilization rate where current group, really
Grouping group does not support robust header compression agreement.
Optionally, second determine that submodule 3033 is also used to:
If not supporting ratio shared by the UE of robust header compression agreement less than the first default ratio in the UE under group,
The ratio of group's quantity and the default maximum group quantity of cell has been established in cell where then calculating current group；Judge current group
Group's quantity has been established in place cell and whether the ratio of the default maximum group quantity of cell is greater than the second default ratio；If current
Group's quantity has been established in cell where group and the ratio of the default maximum group quantity of cell is greater than the second default ratio, it is determined that
Community supporting robust header compression agreement；If group's quantity and the default maximum group of cell has been established in cell where current group
The ratio of quantity is less than or equal to the second default ratio, it is determined that group does not support robust header compression agreement.
Optionally, establishing module includes: sending submodule and setting up submodule.
Wherein, sending submodule is used to send parameter configuration, parameter configuration to UE by clustered control channel
Including at least the information header type identification of robust header compression agreement.
Setting up submodule, which is used to establish with UE, carries out data according to the information header type identification of robust header compression agreement
The group of transmission.
Optionally, setting up submodule is also used to: establishing the information header type mark according to robust header compression agreement with UE
Know the group carried out data transmission using unidirectional mode.
Device provided in an embodiment of the present invention can be specifically used for executing embodiment of the method provided by above-described embodiment two,
Details are not described herein again for concrete function.
The embodiment of the present invention in the UE under the group by not supporting ratio shared by the UE of robust header compression agreement
Example is more than or equal to the first default ratio, and base station determines that the group does not support robust header compression agreement, so as to keep away
Exempt to establish in the case where there is more UE not support robust header compression agreement and be carried out using robust header compression agreement
The group of data transmission leads to the problem of communication quality difference in group；By not supporting robustness report in the UE under the group
Ratio shared by the UE of head compression protocol less than the first default ratio, base station according to the use information of cell where the group, into
One step determines whether the group supports robust header compression agreement, establishes and carries out data biography using robust header compression agreement
The defeated group, realize communication conditions in current area it is preferable when, base station can use robustness in the group of foundation
Header compression protocol carries out data transmission with UE, can be under the premise of the monitoring quality of most of UE is higher, using robustness
Header compression protocol carries out compression transmission to the head information that IP is grouped, and downlink group capacity can be improved, and passes so as to improve
Defeated efficiency, in this case it is considered that community supporting robust header compression agreement.
In several embodiments provided by the present invention, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
Only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can be tied
Another system is closed or is desirably integrated into, or some features can be ignored or not executed.Another point, it is shown or discussed
Mutual coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or logical of device or unit
Letter connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can store and computer-readable deposit at one
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer
It is each that equipment (can be personal computer, server or the network equipment etc.) or processor (processor) execute the present invention
The part steps of embodiment the method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (Read-
Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic or disk etc. it is various
It can store the medium of program code.
Those skilled in the art can be understood that, for convenience and simplicity of description, only with above-mentioned each functional module
Division progress for example, in practical application, can according to need and above-mentioned function distribution is complete by different functional modules
At the internal structure of device being divided into different functional modules, to complete all or part of the functions described above.On
The specific work process for stating the device of description, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention its
Its embodiment.The present invention is directed to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the present invention
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following
Claims are pointed out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is only limited by appended claims
System.
Claims (12)
1. a kind of broadband cluster communication system group method for building up characterized by comprising
It receives the group that network side is sent and establishes request；
It is established and is requested according to the group, obtain the ability information of the UE under the group；
According to the ability information of the UE, determine whether the group supports robust header compression agreement；
If it is determined that the community supporting robust header compression agreement, then establish and carry out data using robust header compression agreement
The group of transmission.
2. the method according to claim 1, wherein the ability information according to the UE, determines the group
Whether group supports robust header compression agreement, comprising:
The ability information of the UE includes at least whether the UE supports robust header compression agreement；
According to the ability information of the UE, calculate shared by the UE for not supporting robust header compression agreement in the UE under the group
Ratio；
If ratio shared by the UE of robust header compression agreement is not supported to be more than or equal to first in the UE under the group
Default ratio, it is determined that the group does not support robust header compression agreement；
If not supporting ratio shared by the UE of robust header compression agreement less than the first default ratio in the UE under the group,
Then according to the use information of cell where the group, determine whether the group supports robust header compression agreement.
3. according to the method described in claim 2, it is characterized in that, if the UE of ROHC agreement is not supported in UE under the group
Whether shared ratio, then according to the use information of cell where the group, determines the group less than the first default ratio
Support robust header compression agreement, comprising:
If not supporting ratio shared by the UE of robust header compression agreement less than the first default ratio in the UE under the group,
The downlink RB utilization rate of cell where then calculating presently described group；
Whether the downlink RB utilization rate of cell is greater than default utilization rate where judging presently described group；
If the downlink RB utilization rate of cell where presently described group is greater than default utilization rate, it is determined that the community supporting is healthy and strong
Property header compression protocol；
If the downlink RB utilization rate of cell is less than or equal to the default utilization rate where presently described group, it is determined that described
Group does not support robust header compression agreement.
4. according to the method described in claim 2, it is characterized in that, if not supporting robust header pressure in UE under the group
Ratio shared by the UE of contracting agreement, then according to the use information of cell where the group, determines institute less than the first default ratio
State whether group supports robust header compression agreement, comprising:
If not supporting ratio shared by the UE of robust header compression agreement less than the first default ratio in the UE under the group,
The ratio of group's quantity and the default maximum group quantity of the cell has been established in cell where then calculating presently described group；
Judge that the ratio of group's quantity and the default maximum group quantity of the cell has been established in cell where the presently described group
Whether value is greater than the second default ratio；
If the ratio of group's quantity and the default maximum group quantity of the cell has been established in cell where the presently described group
Greater than the second default ratio, it is determined that the community supporting robust header compression agreement；
If the ratio of group's quantity and the default maximum group quantity of the cell has been established in cell where the presently described group
Less than or equal to the second default ratio, it is determined that the group does not support robust header compression agreement.
5. method according to claim 1-4, which is characterized in that if it is determined that the community supporting robust header
Compression protocol then establishes the group carried out data transmission using robust header compression agreement, comprising:
Parameter configuration is sent to the UE by clustered control channel, the parameter configuration includes at least robustness report
The information header type identification of head compression protocol；
It is established with the UE described in being carried out data transmission according to the information header type identification of the robust header compression agreement
Group.
6. according to the method described in claim 5, it is characterized in that, described establish with the UE according to the robust header pressure
The group that the information header type identification of contracting agreement carries out data transmission, comprising:
It establishes with the UE and is counted according to the information header type identification of the robust header compression agreement using unidirectional mode
According to the group of transmission.
7. a kind of broadband cluster communication system group establishes device characterized by comprising
Receiving module, the group for receiving network side transmission establish request；
Module is obtained, is requested for being established according to the group, obtains the ability information of the UE under the group；
Determining module determines whether the group supports robust header compression agreement for the ability information according to the UE；
Module is established, for if it is determined that the community supporting robust header compression agreement, then establish using robust header pressure
The group that contracting agreement carries out data transmission.
8. device according to claim 7, which is characterized in that the determining module includes:
Computational submodule calculates in the UE under the group for the ability information according to the UE and does not support robust header
The ability information of ratio shared by the UE of compression protocol, the UE includes at least whether the UE supports robust header compression to assist
View；
First determines submodule, if for not supporting ratio shared by the UE of robust header compression agreement in the UE under the group
Example is more than or equal to the first default ratio, it is determined that the group does not support robust header compression agreement；
Second determines submodule, if for not supporting ratio shared by the UE of robust header compression agreement in the UE under the group
Example, then according to the use information of cell where the group, determines whether the group supports stalwartness less than the first default ratio
Property header compression protocol.
9. device according to claim 8, which is characterized in that described second determines that submodule is also used to:
If not supporting ratio shared by the UE of robust header compression agreement less than the first default ratio in the UE under the group,
The downlink RB utilization rate of cell where then calculating presently described group；
Whether the downlink RB utilization rate of cell is greater than default utilization rate where judging presently described group；
If the downlink RB utilization rate of cell where presently described group is greater than default utilization rate, it is determined that the community supporting is healthy and strong
Property header compression protocol；
If the downlink RB utilization rate of cell is less than or equal to the default utilization rate where presently described group, it is determined that described
Group does not support robust header compression agreement.
10. device according to claim 8, which is characterized in that described second determines that submodule is also used to:
If not supporting ratio shared by the UE of robust header compression agreement less than the first default ratio in the UE under the group,
The ratio of group's quantity and the default maximum group quantity of the cell has been established in cell where then calculating presently described group；
Judge that the ratio of group's quantity and the default maximum group quantity of the cell has been established in cell where the presently described group
Whether value is greater than the second default ratio；
If the ratio of group's quantity and the default maximum group quantity of the cell has been established in cell where the presently described group
Greater than the second default ratio, it is determined that the community supporting robust header compression agreement；
If the ratio of group's quantity and the default maximum group quantity of the cell has been established in cell where the presently described group
Less than or equal to the second default ratio, it is determined that the group does not support robust header compression agreement.
11. according to the described in any item devices of claim 7-10, which is characterized in that the module of establishing includes:
Sending submodule, for sending parameter configuration, the parameter configuration to the UE by clustered control channel
Including at least the information header type identification of robust header compression agreement；
Setting up submodule is carried out for establishing with the UE according to the information header type identification of the robust header compression agreement
The group of data transmission.
12. device according to claim 11, which is characterized in that the setting up submodule is also used to:
It establishes with the UE and is counted according to the information header type identification of the robust header compression agreement using unidirectional mode
According to the group of transmission.
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