CN107295483A - A kind of base station and its group exhale the transmission method of data - Google Patents
A kind of base station and its group exhale the transmission method of data Download PDFInfo
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- CN107295483A CN107295483A CN201610200806.4A CN201610200806A CN107295483A CN 107295483 A CN107295483 A CN 107295483A CN 201610200806 A CN201610200806 A CN 201610200806A CN 107295483 A CN107295483 A CN 107295483A
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- channel quality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
Abstract
A kind of base station and its group exhale the transmission method of data, and described group is exhaled a group being adapted to set up in the cluster network of broadband, and described group includes n user equipment, and n is positive integer, and methods described includes：Obtain the channel quality of the user equipment；According to the channel quality of the user equipment, the transmission form of data is exhaled in correspondingly described group of adjustment transmission.Communication resources utilization ratio and data transmission efficiency can be improved using such scheme.
Description
Technical field
The transmission method of data is exhaled the present invention relates to the communications field, more particularly to a kind of base station and its group.
Background technology
Long Term Evolution (Long Term Evolution, LTE) system is primarily adapted for use in point-to-point communication, i.e.,
One user is realized with another user by network and communicated, without supporting some user simultaneously to multiple
User sends the function of voice or data.In order to support this function, China has set up LTE broadbands cluster
(Broadband Trunking Communication, B-Trunc) industry alliance, is responsible for broadband cluster
Standard formulation and industrial development planning.LTE broadbands cluster supports wideband data, voice cluster and many matchmakers
The business such as body colony dispatching, can set up a group, to realize in the group, some user equipment (User
Equipment, UE), other UE into group send voice and data simultaneously, and each UE can be known
Oneself belong to which group or belong to which group, and because UE can be moved, therefore in same group
UE is likely distributed in the different districts of different base station.
At present, when group is exhaled, user's initiation group that can be in dispatching desk or group is called for asking, and network can be at this
Region initiation group where group user exhales paging, to notify user's reception group of the group to exhale.Exhaled at described group
After foundation, base station to the UE in described group when transmitting group-calling service, in order to ensure the use in group per family
Group-calling service data can be received, can based on worst channel quality, that is, based in cell edge
Channel condition corresponding to UE, to set transmission group to exhale the transmission form of data, particularly selection modulation is compiled
Code form.
Therefore, if adopting transmission group with the aforedescribed process exhales data, the communication resource can be caused to waste and data
Efficiency of transmission is low.
The content of the invention
The problem of present invention is solved is how to improve communication resources utilization ratio and data transmission efficiency.
To solve the above problems, the embodiments of the invention provide the transmission method that a kind of group is exhaled data, it is described
Group is exhaled suitable for a group in the cluster network of broadband, and described group includes n user equipment, and n is positive integer,
Methods described includes：Obtain the channel quality of the user equipment；According to the channel matter of the user equipment
The transmission form of data is exhaled in amount, correspondingly described group of adjustment transmission.
Alternatively, the channel quality parameter information for obtaining the user equipment, including：Used to described
The default channel quality parameter information threshold of family device broadcasts；According to the feedback knot from the user equipment
Really, the channel quality of the user equipment is determined, the feedback result is that the user equipment believes itself
The result that road quality parameter information is compared with the channel quality parameter information threshold.
Alternatively, feedback result of the basis from the user equipment, determines the user equipment
Channel quality, including：When receiving the feedback result from the user equipment, the user is determined
The channel quality of equipment exhales the channel quality corresponding to the transmission form of data worse than current group.
Alternatively, when it is determined that the channel quality of the user equipment exhales the transmission form of data than current group
It is described according to the channel quality, correspondingly described group of adjustment transmission when corresponding channel quality is worse
Exhale the transmission form of data, including it is following any one：The tune of data is exhaled in described group current of transmission of reduction
Coded format processed；Described group current of transmission is kept to exhale the modulating-coding form of data, and increase redundancy ratio
It is special；The modulating-coding form of data, and increase redundant bit are exhaled in described group current of transmission of reduction.
Alternatively, feedback result of the basis from the user equipment, determines the user equipment
Channel quality, including：When not receiving the feedback result from the user equipment, the use is determined
The channel quality of family equipment exhales the channel quality corresponding to the transmission form of data more preferable than current group.
Alternatively, when it is determined that the channel quality of the user equipment exhales the transmission form of data than current group
It is described according to the channel quality, correspondingly described group of adjustment transmission when corresponding channel quality is more preferable
The transmission form of data is exhaled, including：Improve the modulating-coding form that data are exhaled in described group current of transmission.
Alternatively, using clustered paging signaling or the configuration signal of group-calling service channel, set to the user
It is standby to broadcast the channel quality parameter information threshold.
Alternatively, the channel quality parameter information include it is following any one：Reference Signal Received Power
Information, Reference Signal Received Quality information, the Information Indication information of channel quality, bit error rate information and mistake
Bit rate thresholding.
Alternatively, the quantity for being acquired the user equipment of channel quality is less than or equal to n.
The embodiments of the invention provide a kind of base station, suitable for a group in the cluster network of broadband, described group
Including n user equipment, n is positive integer, and the base station includes：Channel quality acquiring unit, suitable for obtaining
Take the channel quality of the user equipment；Adjustment unit, suitable for being obtained according to the channel quality acquiring unit
The channel quality for the user equipment got, correspondingly adjusts the transmission form that transmission group exhales data.
Alternatively, the channel quality acquiring unit, including：Subelement is broadcasted, suitable for the user
The default channel quality parameter information threshold of device broadcasts；Receiving subelement, is used suitable for receiving from described
The feedback result of family equipment, the feedback result is the user equipment by own channel quality parameter information
The result being compared with the channel quality parameter information threshold；Quality determination subelement, suitable for basis
The feedback result of the user equipment received by the receiving subelement, determines the user equipment
Channel quality.
Alternatively, the quality determination subelement, suitable for being received in the receiving subelement from described
During the feedback result of user equipment, determine that the channel quality of the user equipment exhales data than current group
Channel quality corresponding to transmission form is worse.
Alternatively, the adjustment unit, suitable for determining the user equipment when the quality determination subelement
Channel quality when exhaling the channel quality corresponding to the transmission form of data worse than current group, to described
Group exhales the transmission form of data to do any one following adjustment：Data are exhaled in described group current of transmission of reduction
Modulating-coding form；Described group current of transmission is kept to exhale the modulating-coding form of data, and increase redundancy
Bit；The modulating-coding form of data, and increase redundant bit are exhaled in described group current of transmission of reduction.
Alternatively, the quality determination subelement, suitable for not received from institute in the receiving subelement
When stating the feedback result of user equipment, determine that the channel quality of the user equipment exhales data than current group
Transmission form corresponding to channel quality it is more preferable.
Alternatively, when the quality determination subelement determines the channel quality of the user equipment than current
When group exhales the channel quality corresponding to the transmission form of data more preferable, improve described group current of transmission and exhale number
According to modulating-coding form.
Alternatively, the broadcast subelement, suitable for matching somebody with somebody using clustered paging signaling or group-calling service channel
Confidence is made, and the channel quality parameter information threshold is broadcasted to the user equipment.
Alternatively, the channel quality parameter information include it is following any one：Reference Signal Received Power
Information, Reference Signal Received Quality information, the Information Indication information of channel quality, bit error rate information and mistake
Bit rate thresholding.
Alternatively, the quantity for being acquired the user equipment of channel quality is less than or equal to n.
Compared with prior art, technical scheme has advantages below：
By the channel quality of the user equipment in acquisition group, and then according to the channel matter of the user equipment
The transmission form of data is exhaled in amount, correspondingly described group of adjustment transmission, can ensure user in all groups
Equipment can be received on the premise of group exhales data, due to the selected described group transmission form for exhaling data
Matched with current channel condition, so as to improve communication resources utilization ratio and data transmission efficiency.
Further, because in group call establishment process, base station can exhale user equipment in corresponding group to send out to group
The configuration signal of clustered paging signaling and group-calling service channel is sent, therefore by using clustered paging signaling or group
The configuration signal of Traffic Channel is exhaled, to the user equipment broadcast channel quality parameter information threshold value, without
The extra consumption communication resource, so as to further improve data transmission efficiency.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the transmission method that a kind of group is exhaled data in the embodiment of the present invention；
Fig. 2 is the Signalling exchange for setting up process that a kind of group initiated by dispatching desk is exhaled in the embodiment of the present invention
Figure；
Fig. 3 is a kind of structural representation of base station in the embodiment of the present invention.
Embodiment
Long Term Evolution (Long Term Evolution, LTE) system is primarily adapted for use in point-to-point communication, i.e.,
One user is realized with another user by network and communicated, without supporting some user simultaneously to multiple
User sends the function of voice or data.In order to support this function, China has set up LTE broadbands cluster
(Broadband Trunking Communication, B-Trunc) industry alliance, is responsible for broadband cluster
Standard formulation and industrial development planning.LTE broadbands cluster supports wideband data, voice cluster and many matchmakers
The business such as body colony dispatching, can set up a group, to realize in the group, some user equipment (User
Equipment, UE), other UE into group send voice and data simultaneously, and each UE can be known
Oneself belong to which group or belong to which group, and because UE can be moved, therefore in same group
UE is likely distributed in the different districts of different base station.
When group is exhaled, user's initiation group that can be in dispatching desk or group is called for asking, and network can be in this group of user
The region initiation group at place exhales user's reception group of the page notification group to exhale.At present, when group exhales progress,
The UE of the group obtains corresponding descending no matter in Idle state or connected state, can receive this group and exhale
NAS signaling and data.In some cell, the UE of the group is likely located at the edge of cell, it is also possible to
Positioned at the center of cell, the channel condition residing for different UE differs greatly.But base station is not aware that the group
UE residing for channel condition, therefore base station transmit group-calling service when, can based on worst channel condition,
Namely based on the channel quality corresponding to the UE in cell edge, to set transmission group to exhale the biography of data
Defeated form, particularly selects modulating-coding form.
Therefore, if adopting transmission group with the aforedescribed process exhales data, the communication resource can be caused to waste and data
Efficiency of transmission is low.
To solve the above problems, the embodiments of the invention provide the transmission method that group exhales data, methods described
By the channel quality of the user equipment in acquisition group, and then according to the channel quality of the user equipment,
Correspondingly the transmission form of data is exhaled in described group of adjustment transmission, can ensure user equipment in all groups
It can receive on the premise of group exhales data, exhale the transmission form of data with working as due to selected described group
Preceding channel condition matching, so as to improve communication resources utilization ratio and data transmission efficiency.
It is understandable to enable the above objects, features and advantages of the present invention to become apparent, below in conjunction with the accompanying drawings
The specific embodiment of the present invention is described in detail.
A kind of group in the embodiment of the present invention transmission method for exhaling data is shown below, exhales for described group and is suitable to
A group in the cluster network of broadband, n user equipment can be included in described group, n is positive integer, under
Face describes in detail with reference to Fig. 1 to methods described, and methods described may include steps of：
S11：Obtain the channel quality of the user equipment.
In specific implementation, channel quality can be obtained by directly from the user equipment.User herein
The channel quality of equipment refers to the channel quality for its residing channel that user equipment is measured.
It should be noted that because the user equipment in group is likely to be within the compass of competency of different base station,
Namely it is located at different cells, therefore for some base station, the use of channel quality can be got
The quantity of family equipment is less than or equal to n, that is to say, that the user equipment for being acquired channel quality is group
Interior partly or completely user equipment.
Because user equipment can detect or know the channel quality of its own in itself, therefore in the present invention one
In embodiment, it can be entered by broadcasting default channel quality parameter information threshold to the user equipment
And according to the feedback result from the user equipment, to determine the channel quality of the user equipment.
During this, the user equipment can join own channel quality parameter information and the channel quality
Number information threshold is compared, it is then determined that the feedback result.
It is understood that the default channel quality parameter information threshold number is not to the present invention's
Protection domain constitutes any limitation, such as can broadcast a threshold value, can also broadcast multiple threshold values.
In specific implementation, the feedback result can have diversified forms.It such as can directly feed back itself
Channel quality parameter information and the size comparative result of the channel quality parameter information threshold；Can also be
Own channel quality parameter information just carries out the transmission of the feedback result than the threshold value more hour；Also
The hair of the feedback result can be just carried out when own channel quality parameter information is bigger than the threshold value
Send；The channel quality parameter information of itself can also directly be fed back.
In an embodiment of the present invention, if the feedback result from the user equipment can be received,
It can determine that the channel quality of the user equipment exhales the letter corresponding to the transmission form of data than current group
Road quality is worse.And if when not receiving the feedback result from the user equipment, it may be determined that institute
The channel quality for stating user equipment exhales the channel quality corresponding to the transmission form of data more preferable than current group.
It should be noted that base station can determine that current group exhales the transmission form of data, such as work as forward pass
Defeated group is exhaled the modulating-coding form that data are used, or current transmission group to exhale the redundancy ratio that data are used
Spy's amount, and current transmission group exhales the transmission form that data are used, and is in order to ensure in certain channel quality
Under, the UE that reception group is exhaled can be properly received group and exhale data, that is to say, that at some time point, transmission
Group exhales the transmission form that data are used to there is a corresponding relation with channel quality.
It should be noted that, the channel quality parameter information includes diversified forms, correspondingly, described default
Channel quality parameter information threshold can also be diversified forms.It such as can be following any direct table
Levy the threshold value of the channel quality：Reference Signal Received Power information RSRP (Reference signal
Received power) threshold value, Reference Signal Received Quality information RSRQ (Reference signal received
Quality) Information Indication information CQI (Channel Quality Indicator) threshold of threshold value and channel quality
Value, so, if after the UE that exhales of reception group is by comparing, found when oneself reception group exhales data
RSRP, RSRQ or CQI are less than this threshold value, then the feedback result of oneself can be reported to base station.
It can be the threshold value of any one following reflection channel quality：Bit error rate information and bit error rate threshold value, this
Sample one, if after the UE that exhales of reception group is by comparing, finding bit error rate when oneself reception group exhales data
Or bit error rate is higher than this threshold value, then the feedback result of oneself can be reported to base station.
S12：According to the channel quality of the user equipment, the biography of data is exhaled in correspondingly described group of adjustment transmission
Defeated form.
, can be according to the channel quality of the user equipment in specific implementation, correspondingly adjustment transmission institute
The transmission form that group exhales data is stated, the group having been based on corresponding to worst channel condition can be avoided to exhale number
According to transmission means to transmit described group exhale data, therefore the waste of the communication resource can be avoided, so as to
Improve the efficiency of communication.
If it is determined that the channel quality of the user equipment is exhaled corresponding to the transmission form of data than current group
Channel quality it is worse when, can there are various ways to adjust the described group of transmission form for exhaling data, such as may be used
To reduce the modulating-coding form that data are exhaled in described group current of transmission, current transmission institute can also be kept
The modulating-coding form that group exhales data is stated, but increases redundant bit, current transmission institute can also be reduced
The modulating-coding form that group exhales data is stated, at the same time also increases redundant bit.
In an embodiment of the present invention, if it is determined that the channel quality of the user equipment is exhaled than current group
Channel quality corresponding to the transmission form of data more preferably, can improve described group of current transmission and exhale data
Modulating-coding form.Described group such as current of transmission exhales the modulating-coding form of data to be 16QAM,
64QAM can be adjusted to, 256QAM can also be adjusted to, so, it is possible to
Raising group exhales the efficiency of transmission of data.
In an embodiment of the present invention, two values can be set in the channel quality parameter information threshold,
So, can be with according to the comparative result with described two values of the channel quality of the user equipment
The channel quality of the user equipment is more accurately determined, described group can be more accurately adjusted and exhale number
According to transmission means, so as to further improve the utilization rate and communication efficiency of the communication resource.
In specific implementation, there can be various ways to broadcast the channel quality parameter to the user equipment
Information threshold.Such as, the channel matter can be broadcasted to the user equipment using clustered paging signaling
Measure parameter information threshold value.Again such as, can be by the configuration signal of group-calling service channel, to the user
Channel quality parameter information threshold described in device broadcasts.In specific implementation, the channel quality parameter letter
Breath threshold value can not set according to different group speechminutes.
The channel quality is broadcasted to cause those skilled in the art to more fully understand and realizing to user equipment
The process of parameter information threshold value, is exhaled below by way of a kind of group initiated by dispatching desk in the embodiment of the present invention
The signaling interaction diagram for setting up process, to illustrate to broadcast channel quality parameter letter to the user equipment
Cease the mode of threshold value.
As shown in Fig. 2 group exhales the equipment participated in setting up to include：User equipment 21, trunked base station
22nd, cluster equipment of the core network 23 and dispatching desk 24, the process of setting up specifically include following steps：
S21：Dispatching desk 24 sends session initiation protocol (Session Initiation Protocol, SIP) (INVITE)
Message is to cluster equipment of the core network 23.
In specific implementation, the dispatching desk 24 can send SIP to cluster equipment of the core network 23 and invite
(INVITE) message, to ask to set up group-calling service, wherein：Carrying business mark in the sip message
Knowledge information pttcall, call type call type, call priority attribute-bit information Prio Attribute,
End to End Encryption configured information e2ee, single duplexing configured information duplex.
It should be noted that the user equipment 21 is the user equipment in group, described group is cluster core
A group in net.
S22：Cluster equipment of the core network 23 replys SIP2 message (200 Trying) to caller dispatching desk 24.
In specific implementation, when receiving the SIP information from the dispatching desk 24, the cluster core
Net equipment 23 replys sip message to caller dispatching desk 24, and to notify the dispatching desk 24, it is asked
It is processed.
S23：Cluster equipment of the core network 23 is to the signalling of bouquet paging command of trunked base station 22.
S24：Trunked base station 22 is in broadcast clustered paging signaling (Trunking Paging) of eating dishes without rice or wine.
In specific implementation, sets of numbers (Group ID) is carried in the clustered paging signaling, priority is organized
(Group Priority), the Radio Network Temporary Identifier of group is optional carrying static resource list, non-access
Layer (Non Access Stratum) message, exhales foundation to indicate (GROUP CALL SETUP including group
IDICATION), foundation is exhaled to carry following one or more information in indicating for described group：Call identification
(Call ID), type of call (Call Type), medium type (Media Type), service type (Service
Type), call property (Call Attribute), the number (Called Number) and media of calling
Describe (Media Description).If wherein carrying static resource list and NAS message GROUP
CALL SETUP INDICATION, then receive after clustered paging signaling can be with for the user equipment 22 in group
Group service channel is directly configured, starts to receive business datum.
In addition, in an embodiment of the present invention, the clustered paging signaling (Trunking Paging)
In can also include indicate channel quality parameter information threshold value.So, when UE receives clustered paging
During signaling, UE high level, such as Non-Access Stratum may determine whether that receiving this group exhales.If it is determined that connecing
Receive this group to exhale, UE high level can notify UE Access Layer to start reception group and exhale, while UE's connects
Enter threshold value of the layer according to the channel quality parameter information received, with the channel quality parameter measured by oneself
Information compares, and judges whether the channel quality for needing to report oneself to measure to base station, such as can be certainly
The channel quality that oneself is surveyed be less than received channel quality parameter information threshold value when, it is necessary to report.
In specific implementation, if UE is in Idle state, UE can first set up wireless heterogeneous networks (Radio
Resource Control, RRC) connection, then pass through set up signaling to transmit the letter oneself measured
Road quality, while the mark for the group that subsidiary institute reception group is exhaled；If UE is in connected state, due to UE
RRC connections are set up, UE can report the mark that the group received is organized where exhaling by measurement report
Know and measured channel quality.
S25：Cluster equipment of the core network 23 initiates group's context and sets up procedure message.
In specific implementation, the cluster equipment of the core network 23, which can initiate group's context, to be set up process and disappears
Cease to notify trunked base station 22 to set up cluster multi call service bearer.
S26：Trunked base station 22 sends group-calling service channel configuration (Group Call on clustered control channel
Config, GCC) message.
In specific implementation, the trunked base station 22 can be in clustered control channel (Trunking Control
Channel, TCCH) GCC is sent on channel, to provide the access layer configuration parameter of group service channel.
Wherein foundation can be also exhaled to indicate (GROUP CALL SETUP Indication) comprising NAS groups, it is described
NAS groups, which exhale to set up in message, can carry following one or more information：Call identification (Call ID), calling
Type (Call Type), medium type (Media Type), service type (Service Type), calling
Description (the Media of attribute (Call Attribute), the number (Called Number) of calling and media
Description)。
In an alternative embodiment of the invention, institute can also be carried in the configuration signal of the group-calling service channel
State channel quality parameter information threshold, that is, can be by the configuration signal of group-calling service channel, to institute
State user equipment and broadcast the channel quality parameter information threshold.So, when receiving the UE that exhales of the group
, it is necessary to preserve the threshold value of the channel quality parameter information when receiving the threshold value of the channel quality parameter information,
And compared with the threshold value of the channel quality parameter information measured by oneself, judge whether to need to base station
Report the channel quality that oneself is measured.
S27：Cluster equipment of the core network 23 sends SIP (200 OK) message to caller dispatching desk 24.
In specific implementation, the cluster equipment of the core network 23 can send SIP to caller dispatching desk 24
(200 OK) message, is exhaled with group of notifications and is successfully established and authorizes the right of speech of dispatching desk 24.
S28：Dispatching desk 24 sends SIP to cluster equipment of the core network 23 and confirms (ACK) message.
In specific implementation, the dispatching desk 24 can send SIP to cluster equipment of the core network 23 and confirm
(ACK) message, is successfully established with confirming to exhale for current group.
S29：Cluster equipment of the core network 23 sends right of speech state indication message NAS (FLOOR INFORM)
To user equipment 21.
In specific implementation, the cluster equipment of the core network 23 can send NAS to user equipment 21 and disappear
Breath, will send right of speech status indication information to the other users equipment in group.
It should be noted that in specific implementation, the clustered paging signaling that only can be broadcasted in S24
The threshold value for indicating channel quality parameter information is carried, can also group-calling service transmitted in a S26 letter
Road configuration in carry it is described instruction channel quality parameter information threshold value, can also both in clustered paging signaling,
The threshold value for indicating channel quality parameter information is carried in group-calling service channel configuration again.The signal quality
The sending method of the threshold value of parameter information does not constitute any limitation to the present invention.
It is understood that the described group of foundation exhaled can also have any one user equipment in group to initiate,
What it implemented that process may be referred to that dispatching desk initiation group in Fig. 2 exhales sets up process to realize, herein not
Repeat again.But the foundation that either dispatching desk or user equipment initiation group are exhaled, does not influence the present invention's
Realize, also without limitation on protection scope of the present invention.
To cause those skilled in the art to more fully understand and realizing the present invention, one kind also provided below can
To realize the base station of above-mentioned group-calling service transmission method, the base station is adapted to participate in setting up broadband cluster network
In a group, described group includes n user equipment, and n is positive integer, reference picture 3, and the base station can
With including：Channel quality acquiring unit 31 and adjustment unit 32, wherein：
The channel quality acquiring unit 31, the channel quality suitable for obtaining the user equipment；
The adjustment unit 32, suitable for the user got according to the channel quality acquiring unit 31
The transmission form of data is exhaled in the channel quality of equipment, correspondingly described group of adjustment transmission.
In specific implementation, the channel quality acquiring unit 31, including：
Subelement 311 is broadcasted, suitable for broadcasting default channel quality parameter information threshold to the user equipment；
Receiving subelement 312, suitable for receiving the feedback result from the user equipment, the feedback result
Own channel quality parameter information and the channel quality parameter information threshold are carried out for the user equipment
Result of the comparison；
Quality determination subelement 313, suitable for the user according to received by the receiving subelement 312
The feedback result of equipment, determines the channel quality of the user equipment.
In specific implementation, the quality determination subelement 313, suitable for being connect in the receiving subelement 312
When receiving the feedback result from the user equipment, determine the channel quality of the user equipment than current
Group exhale the channel quality corresponding to the transmission form of data worse.
In specific implementation, the adjustment unit 32, suitable for being determined when the quality determination subelement 313
The channel quality of the user equipment exhales channel quality corresponding to the transmission form of data more than current group
When poor, the transmission form of data is exhaled described group to do any one following adjustment：The current transmission institute of reduction
State the modulating-coding form that group exhales data；Described group current of transmission is kept to exhale the modulating-coding form of data,
And increase redundant bit；The modulating-coding form of data is exhaled in described group current of transmission of reduction, and is increased superfluous
Remaining bit.
In specific implementation, the quality determination subelement 313, suitable in the receiving subelement 312 not
When receiving the feedback result from the user equipment, determine that the channel quality ratio of the user equipment is worked as
Preceding group exhales the channel quality corresponding to the transmission form of data more preferable.
In specific implementation, the adjustment unit 32, suitable for being determined when the quality determination subelement 313
The channel quality of the user equipment exhales channel quality corresponding to the transmission form of data more than current group
When good, the modulating-coding form that data are exhaled in described group current of transmission is improved.
In specific implementation, the broadcast subelement 311, suitable for using clustered paging signaling or group-calling service
The configuration signal of channel, the channel quality parameter information threshold is broadcasted to the user equipment.
In specific implementation, the channel quality parameter information include it is following any one：Reference signal connects
Receive power information, Reference Signal Received Quality information, the Information Indication information of channel quality, bit error rate letter
Breath and bit error rate thresholding.
In specific implementation, the quantity for being acquired the user equipment of channel quality is less than or equal to n.
Understand, by the channel quality of the user equipment in channel acquiring unit acquisition group, enter in summary
And by channel quality of the adjustment unit according to the user equipment, data are exhaled in correspondingly described group of adjustment transmission
Transmission form, be able to can be received ensureing in all groups user equipment on the premise of group exhales data,
Also avoid having been based on worst channel condition setting transmission group to exhale the transmission form of data, so as to
Improve communication resources utilization ratio and data transmission efficiency.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment
Rapid to can be by program to instruct the hardware of correlation to complete, the program can be stored in can with computer
Read in storage medium, storage medium can include：ROM, RAM, disk or CD etc..
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art,
Without departing from the spirit and scope of the present invention, it can make various changes or modifications, therefore the guarantor of the present invention
Shield scope should be defined by claim limited range.
Claims (18)
1. a kind of group of transmission method for exhaling data, described group is exhaled suitable for a group in the cluster network of broadband, and it is special
Levy and be, described group includes n user equipment, and n is positive integer, and methods described includes：
Obtain the channel quality of the user equipment；
According to the channel quality of the user equipment, the transmission form of data is exhaled in correspondingly described group of adjustment transmission.
2. the according to claim 1 group of transmission method for exhaling data, it is characterised in that described in the acquisition
The channel quality parameter of user equipment, including：
Default channel quality parameter information threshold is broadcasted to the user equipment；
According to the feedback result from the user equipment, the channel quality of the user equipment is determined, it is described
Feedback result is that the user equipment believes own channel quality parameter information and the channel quality parameter
The result that breath threshold value is compared.
3. the according to claim 2 group of transmission method for exhaling data, it is characterised in that the basis comes from
The feedback result of the user equipment, determines the channel quality of the user equipment, including：
When receiving the feedback result from the user equipment, the channel quality of the user equipment is determined
Exhale the channel quality corresponding to the transmission form of data worse than current group.
4. the according to claim 3 group of transmission method for exhaling data, it is characterised in that when it is determined that described use
When the channel quality of family equipment exhales the channel quality corresponding to the transmission form of data worse than current group,
It is described that according to the channel quality, the transmission form of data is exhaled in correspondingly described group of adjustment transmission, including
Below any one：
The modulating-coding form of data is exhaled in described group current of transmission of reduction；
Described group current of transmission is kept to exhale the modulating-coding form of data, and increase redundant bit；
The modulating-coding form of data, and increase redundant bit are exhaled in described group current of transmission of reduction.
5. the according to claim 2 group of transmission method for exhaling data, it is characterised in that the basis comes from
The feedback result of the user equipment, determines the channel quality of the user equipment, including：
When not receiving the feedback result from the user equipment, the channel matter of the user equipment is determined
Amount exhales the channel quality corresponding to the transmission form of data more preferable than current group.
6. the according to claim 5 group of transmission method for exhaling data, it is characterised in that when it is determined that described use
When the channel quality of family equipment exhales the channel quality corresponding to the transmission form of data more preferable than current group,
It is described that according to the channel quality, the transmission form of data is exhaled in correspondingly described group of adjustment transmission, including：
Improve the modulating-coding form that data are exhaled in described group current of transmission.
7. the according to claim 2 group of transmission method for exhaling data, it is characterised in that use clustered paging
The configuration signal of signaling or group-calling service channel, the channel quality parameter is broadcasted to the user equipment
Information threshold.
8. the according to claim 2 group of transmission method for exhaling data, it is characterised in that the channel quality
Parameter information include it is following any one：Reference Signal Received Power information, Reference Signal Received Quality
Information, the Information Indication information of channel quality, bit error rate information and bit error rate thresholding.
9. the according to claim 1 group of transmission method for exhaling data, it is characterised in that be acquired channel matter
The quantity of the user equipment of amount is less than or equal to n.
10. a kind of base station, the base station is suitable to a group in the cluster network of broadband, it is characterised in that described group
Including n user equipment, n is positive integer, and the base station includes：
Channel quality acquiring unit, the channel quality suitable for obtaining the user equipment；
Adjustment unit, suitable for the channel of the user equipment got according to the channel quality acquiring unit
Quality, correspondingly adjusts the transmission form that transmission group exhales data.
11. base station according to claim 10, it is characterised in that the channel quality acquiring unit, including：
Subelement is broadcasted, suitable for broadcasting default channel quality parameter information threshold to the user equipment；
Receiving subelement, suitable for receiving the feedback result from the user equipment, the feedback result is institute
User equipment is stated to be compared own channel quality parameter information with the channel quality parameter information threshold
Compared with result；
Quality determination subelement, suitable for the anti-of the user equipment according to received by the receiving subelement
Result is presented, the channel quality of the user equipment is determined.
12. base station according to claim 11, it is characterised in that the quality determination subelement, suitable for
When the receiving subelement receives the feedback result from the user equipment, determine that the user sets
Standby channel quality exhales the channel quality corresponding to the transmission form of data worse than current group.
13. base station according to claim 12, it is characterised in that the adjustment unit, suitable for when the matter
Amount determination subelement determines that the channel quality of the user equipment exhales the transmission form of data than current group
When corresponding channel quality is worse, the transmission form of data is exhaled described group to do any one following tune
It is whole：
The modulating-coding form of data is exhaled in described group current of transmission of reduction；
Described group current of transmission is kept to exhale the modulating-coding form of data, and increase redundant bit；
The modulating-coding form of data, and increase redundant bit are exhaled in described group current of transmission of reduction.
14. base station according to claim 11, it is characterised in that the quality determination subelement, suitable for
When the receiving subelement does not receive the feedback result from the user equipment, the user is determined
The channel quality of equipment exhales the channel quality corresponding to the transmission form of data more preferable than current group.
15. base station according to claim 12, it is characterised in that the adjustment unit, suitable for when the matter
Amount determination subelement determines that the channel quality of the user equipment exhales the transmission form of data than current group
When corresponding channel quality is more preferable, the modulating-coding form that data are exhaled in described group current of transmission is improved.
16. base station according to claim 11, it is characterised in that the broadcast subelement, suitable for using collection
The configuration signal of group's call signaling or group-calling service channel, the channel matter is broadcasted to the user equipment
Measure parameter information threshold value.
17. base station according to claim 11, it is characterised in that the channel quality parameter information include with
Descend any one：Reference Signal Received Power information, Reference Signal Received Quality information, channel quality
Information Indication information, bit error rate information and bit error rate thresholding.
18. base station according to claim 10, it is characterised in that the user for being acquired channel quality sets
Standby quantity is less than or equal to n.
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