CN107645361A - A kind of method and device for sending data - Google Patents
A kind of method and device for sending data Download PDFInfo
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- CN107645361A CN107645361A CN201610585936.4A CN201610585936A CN107645361A CN 107645361 A CN107645361 A CN 107645361A CN 201610585936 A CN201610585936 A CN 201610585936A CN 107645361 A CN107645361 A CN 107645361A
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Abstract
The invention discloses a kind of method and device for sending data.This method includes：Sending node sends data simultaneously at least two receiving nodes；The sending node receives the feedback information that the receiving node is sent, and calculates modulation and coding strategy according to the feedback information；The sending node sends data with coding strategy according to the modulation being calculated to the receiving node, so as to solve the problems, such as the link circuit self-adapting of point-to-multipoint transmission, greatly improves the air-interface efficiency of point-to-multipoint transmission.
Description
Technical field
The present embodiments relate to the technical field of communication, more particularly to a kind of method and device for sending data.
Background technology
Mobile service is divided into point to point service, PTP such as unicast service and point-to-multipoint service such as broadcasting multicast service, group and exhaled
Business.3GPP solves point-to-multipoint service by unicast (Unicast) mechanism and broadcast (Broadcast) mechanism.Speech amplifier
System is divided into enhanced multimedia broadcast multicast service (enhanced Multimedia Broadcast Multicast
Service, eMBMS) and single cell point to multiple spot (Single Cell Point to Multipoint, SC-PTM).For
EMBMS and SC-PTM, there is presently no the feedback mechanism of physical layer, therefore, and the data service for error sensitive, the biography of system
Defeated efficiency can be very low.
The content of the invention
The purpose of the embodiment of the present invention is to propose a kind of method and device for sending data, it is intended to solves single point-to-multipoint
The link circuit self-adapting problem of transmission.
To use following technical scheme up to this purpose, the embodiment of the present invention：
In a first aspect, a kind of method for sending data, methods described include：
Sending node sends data simultaneously at least two receiving nodes；
The sending node receives the feedback information that the receiving node is sent, and is calculated and modulated according to the feedback information
With coding strategy；
The sending node sends data with coding strategy according to the modulation being calculated to the receiving node.
Preferably, the modulation being calculated and coding strategy be initial modulation with coding strategy and outer shroud adjust because
Sub- sum；
The initial modulation includes the modulation coding mode and code check of lowest-order with coding strategy.
Preferably, the sending node receives the feedback information that the receiving node is sent, and according to the feedback information
Modulation and coding strategy are calculated, including：
If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and
The sending node receives the feedback information that the receiving node is sent in same uplink feedback resource, then outer shroud is adjusted
The factor increases a decline step-length；
If the sending node does not receive the feedback information that the receiving node is sent in same uplink feedback resource,
Then increase the outer shroud Dynamic gene rising step-length.
Preferably, the sending node receives the feedback information that the receiving node is sent, and according to the feedback information
Modulation and coding strategy are calculated, including：
If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and
The sending node receives the feedback information that the receiving node is sent in different uplink feedback resources, and system about positions
Receiving node in sending node overlay area edge does not send uplink feedback information, then the outer shroud Dynamic gene is increased
Add a decline step-length；
If the sending node does not receive the feedback information that the receiving node is sent in different uplink feedback resources,
And system is about positioned at the receiving node at sending node overlay area edge and does not send uplink feedback information, then to described outer
Ring Dynamic gene increases a rising step-length.
Preferably, the sending node receives the feedback information that the receiving node is sent, and according to the feedback information
Modulation and coding strategy are calculated, including：
If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and
If the sending node receives the feedback information that the receiving node is sent in different uplink feedback resources, and system is not about
The receiving node for being positioned at sending node overlay area edge does not send uplink feedback information, and the sending node obtains hair
Send the receiving node number of feedback information；
If the receiving node number is unsatisfactory for the requirement of the coverage rate of business, to outer shroud Dynamic gene increase by one
Individual decline step-length；
If the receiving node number meets the requirement of the coverage rate of business, one is increased to the outer shroud Dynamic gene
Rise step-length；
Wherein, the coverage rate is that disclosure satisfy that the user of target Block Error Rate requirement the group for receive data simultaneously in user
Number accounts for the ratio of total number of users.
Preferably, the sending node receives the feedback information that the receiving node is sent, and according to the feedback information
Modulation and coding strategy are calculated, including：
If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and
If the sending node receives the feedback information that the receiving node is sent in different uplink feedback resources, and high preferential
Feedback information is detected on the feedback resources of level receiving node, then the receiving node is to outer shroud Dynamic gene increase by one
Individual decline step-length.
Preferably, the sending node receives the feedback information that the receiving node is sent, and according to the feedback information
Modulation and coding strategy are calculated, including：
If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and
If being not detected by feedback information on the feedback resources of high priority receiving node, and if being connect described in sending node reception
The feedback information that node is sent in different uplink feedback resources is received, and system is about positioned at the sending node overlay area
The receiving node at edge does not send uplink feedback information, then increases the outer shroud Dynamic gene decline step-length；
If being not detected by feedback information on the feedback resources of high priority receiving node, and if the sending node not
The feedback information that the receiving node is sent in different uplink feedback resources is received, and system is about positioned at described send and saved
The receiving node at point overlay area edge does not send uplink feedback information, then increasing by one to the outer shroud Dynamic gene rises step
It is long.
Preferably, the sending node receives the feedback information that the receiving node is sent, and according to the feedback information
Modulation and coding strategy are calculated, including：
If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and
If the sending node receives the feedback information that the receiving node is sent in different uplink feedback resources, and high preferential
Level receiving node feedback resources on be not detected by feedback information, and if system be not positioned at the sending node area of coverage about
The receiving node at domain edge does not send uplink feedback information, and the sending node obtains the receiving node of send feedback information
Number；If the receiving node number is unsatisfactory for the requirement of the coverage rate of business, the outer shroud Dynamic gene is increased under one
Step-length drops；If the receiving node number meets the requirement of the coverage rate of business, one is increased to the outer shroud Dynamic gene
Rise step-length；Wherein, the coverage rate is that disclosure satisfy that the use of target Block Error Rate requirement the group for receive data simultaneously in user
Amount mesh accounts for the ratio of total number of users.
Preferably, the sending node receives the feedback information that the receiving node is sent, and according to the feedback information
Modulation and coding strategy are calculated, including：
If the sending node receives the feedback information that the receiving node is sent between N number of packet is continuously transmitted,
Then increase the outer shroud Dynamic gene decline step-length；
If the sending node does not receive the feedback letter that the receiving node is sent between N number of packet is continuously transmitted
Breath, then do not handled the outer shroud Dynamic gene.
Second aspect, a kind of device for sending data, described device include：
First sending module, for sending data simultaneously at least two receiving nodes；
Receiving module, the feedback information sent for receiving the receiving node；
Computing module, for calculating modulation and coding strategy according to the feedback information；
Second sending module, for sending data to the receiving node with coding strategy according to the modulation being calculated.
Preferably, the modulation being calculated and coding strategy be initial modulation with coding strategy and outer shroud adjust because
Sub- sum；
The initial modulation includes the modulation coding mode and code check of lowest-order with coding strategy.
Preferably, the computing module, is used for：
If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and
The feedback information that the receiving node is sent in same uplink feedback resource is received, then one is increased to outer shroud Dynamic gene
Decline step-length；
If the feedback information that the receiving node is sent in same uplink feedback resource is not received, to the outer shroud
Dynamic gene increases a rising step-length.
Preferably, the computing module, is used for：
If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and
If the feedback information that the receiving node is sent in different uplink feedback resources is received, and system is about positioned at the transmission
The receiving node at node coverage areas edge does not send uplink feedback information, then increases the outer shroud Dynamic gene decline
Step-length；
If the feedback information that the receiving node is sent in different uplink feedback resources is not received, and system about positions
Receiving node in sending node overlay area edge does not send uplink feedback information, then the outer shroud Dynamic gene is increased
Add a rising step-length.
Preferably, the computing module, is used for：
If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and
If the sending node receives the feedback information that the receiving node is sent in different uplink feedback resources, and system is not about
The receiving node for being positioned at sending node overlay area edge does not send uplink feedback information, and described obtain sends feedback letter
The receiving node number of breath；
If the receiving node number is unsatisfactory for the requirement of the coverage rate of business, to outer shroud Dynamic gene increase by one
Individual decline step-length；
If the receiving node number meets the requirement of the coverage rate of business, one is increased to the outer shroud Dynamic gene
Rise step-length；
Wherein, the coverage rate is that disclosure satisfy that the user of target Block Error Rate requirement the group for receive data simultaneously in user
Number accounts for the ratio of total number of users.
Preferably, the computing module, is used for：
If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and
If having detected feedback information on the feedback resources of high priority receiving node, one is increased to the outer shroud Dynamic gene
Decline step-length.
Preferably, the computing module, is used for：
If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and
If the sending node receives the feedback information that the receiving node is sent in different uplink feedback resources, and high preferential
Feedback information is not detected by the feedback resources of level receiving node, and if receiving the receiving node in different uplink feedbacks
The feedback information sent in resource, and system is about positioned at the receiving node at sending node overlay area edge and not sent
Row feedback information, then increase the outer shroud Dynamic gene decline step-length；
If being not detected by feedback information on the feedback resources of high priority receiving node, and if not receiving the reception
The feedback information that node is sent in different uplink feedback resources, and system is about positioned at sending node overlay area side
The receiving node of edge does not send uplink feedback information, then increases the outer shroud Dynamic gene rising step-length.
Preferably, the computing module, is used for：
If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and
If the sending node receives the feedback information that the receiving node is sent in different uplink feedback resources, and if in Gao You
Be not detected by feedback information on the feedback resources of first level receiving node, and if system be not positioned at sending node covering about
The receiving node of edges of regions does not send uplink feedback information, obtains the receiving node number of send feedback information；If described connect
The requirement that node number is unsatisfactory for the coverage rate of business is received, then increases the outer shroud Dynamic gene decline step-length；If institute
The requirement that receiving node number meets the coverage rate of business is stated, then increases the outer shroud Dynamic gene rising step-length；Its
In, the coverage rate disclosure satisfy that the number of users of target Block Error Rate requirement accounts for total use to receive in the group of data simultaneously in user
The ratio of amount.
Preferably, the computing module, is used for：If the receiving node hair is received between N number of packet is continuously transmitted
The feedback information sent, then increase the outer shroud Dynamic gene decline step-length；
If the feedback information that the receiving node is sent is not received between N number of packet is continuously transmitted, not to described
Outer shroud Dynamic gene is handled.
The embodiment of the present invention provides a kind of method and device for sending data, and sending node is same at least two receiving nodes
When send data；The sending node receives the feedback information that the receiving node is sent, and is calculated according to the feedback information
Modulation and coding strategy；The sending node sends number with coding strategy according to the modulation being calculated to the receiving node
According to so as to solve the problems, such as the link circuit self-adapting of point-to-multipoint transmission, greatly improving the air-interface efficiency of point-to-multipoint transmission.
Brief description of the drawings
Fig. 1 is a kind of schematic flow sheet of method for sending data provided in an embodiment of the present invention；
Fig. 2 is the schematic flow sheet of another method for sending data provided in an embodiment of the present invention；
Fig. 3 is a kind of method schematic diagram of feedback information provided in an embodiment of the present invention；
Fig. 4 is the schematic flow sheet of another method for sending data provided in an embodiment of the present invention；
Fig. 5 is the schematic flow sheet of another method for sending data provided in an embodiment of the present invention；
Fig. 6 is a kind of method schematic diagram of feedback information provided in an embodiment of the present invention；
Fig. 7 is the schematic flow sheet of another method for sending data provided in an embodiment of the present invention；
Fig. 8 is a kind of method schematic diagram of feedback information provided in an embodiment of the present invention；
Fig. 9 is the schematic flow sheet of another method for sending data provided in an embodiment of the present invention；
Figure 10 is the method schematic diagram of another feedback information provided in an embodiment of the present invention；
Figure 11 is a kind of high-level schematic functional block diagram of device for sending data provided in an embodiment of the present invention.
Embodiment
The embodiment of the present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this
The specific embodiment of place description is used only for explaining the embodiment of the present invention, rather than the restriction to the embodiment of the present invention.In addition also
It should be noted that for the ease of describing, the part related to the embodiment of the present invention rather than entire infrastructure are illustrate only in accompanying drawing.
With reference to figure 1, Fig. 1 is a kind of schematic flow sheet of method for sending data provided in an embodiment of the present invention.
As shown in figure 1, the method for sending data includes：
Step 101, sending node sends data simultaneously at least two receiving nodes；
Step 102, the sending node receives the feedback information that the receiving node is sent, and according to the feedback information
Calculate modulation and coding strategy；
Step 103, the sending node sends number with coding strategy according to the modulation being calculated to the receiving node
According to.
Wherein, the modulation being calculated and coding strategy are initial modulation and coding strategy and outer shroud Dynamic gene
Sum；
The initial modulation includes the modulation coding mode and code check of lowest-order with coding strategy.
Specifically, initial modulation system and code check (Modulation an and is used to point-to-multipoint service
Coding Scheme, MCS) modulation system calculated plus an outer shroud Dynamic gene and code check be transmitted, and it is full with this
One group of UE that foot receives a certain business simultaneously meets target BLER (Target BLER) demand.
Target BLER (TargetBLER) is the BLER requirements of the user group for receive a certain business simultaneously in.
Initial MCS is determined by sending node, can select the modulation coding mode of lowest-order, such as MCS=0, certainly
Not limited to this.
Result feedback result that outer shroud Dynamic gene is counted by receiving node to BLER calculates.
Outer shroud factor deltaMCS parameter setting：Including deltaMCS initial values are set to A, generally, make the A be
0；Outer shroud rises step-length UpStep, and span is [0.5,2]；Outer shroud decline step-length DownStep, span for [- 5 ,-
1], this is also not necessarily limited to certainly.
The embodiment of the present invention provides a kind of method for sending data, and sending node is sent simultaneously at least two receiving nodes
Data；The sending node receives the feedback information that the receiving node is sent, and according to the feedback information calculate modulation with
Coding strategy；The sending node sends data with coding strategy according to the modulation being calculated to the receiving node, so as to
Solve the problems, such as the link circuit self-adapting of point-to-multipoint transmission, greatly improve the air-interface efficiency of point-to-multipoint transmission.
With reference to figure 2, Fig. 2 is the schematic flow sheet of another method for sending data provided in an embodiment of the present invention.
As shown in Fig. 2 the method for sending data includes：
Step 201, sending node sends data simultaneously at least two receiving nodes；
Step 202, if the sending node receives the feedback that the receiving node is sent after N number of packet is continuously transmitted
Information, and if the sending node receive the feedback information that the receiving node is sent in same uplink feedback resource,
Increase outer shroud Dynamic gene a decline step-length；
Step 203, if the sending node does not receive what the receiving node was sent in same uplink feedback resource
Feedback information, then increase the outer shroud Dynamic gene rising step-length；
Step 204, the sending node sends number with coding strategy according to the modulation being calculated to the receiving node
According to.
Specifically, totally 20 user UE 1, UE 2 ..., UE 20 receive a certain point-to-multipoint industry that base station is sent in group R1
Business, and to base station send feedback information in same resource.Initial MCS value MCSinit=5, detlaMCS initial value are 0, outside
Ring rises step-length UpStep=1, and outer shroud declines step-length DownStep=-2.The TargetBLER=1% of business, then BLER system
It is N=100 packet to count window size.
First statistic window Window 1 is being passed through in base station, that is, after sending N=100 bag datas, is detected on feedback resources
To the feedback information for thering is UE to send, as shown in figure 3, Fig. 3 is a kind of method signal of feedback information provided in an embodiment of the present invention
Figure.Now detlaMCS is safeguarded：
DetlaMCS=detlaMCS+DownStep=-2；
The MCS value that then base station uses before detkaMCS is safeguarded next time is MCS=MCSinit+ detlaMCS=5-2
=3.
With reference to figure 4, Fig. 4 is the schematic flow sheet of another method for sending data provided in an embodiment of the present invention.
As shown in figure 4, the method for sending data includes：
Step 401, sending node sends data simultaneously at least two receiving nodes；
Step 402, if the sending node receives the feedback that the receiving node is sent after N number of packet is continuously transmitted
Information, and if the sending node receive the feedback information that the receiving node is sent in different uplink feedback resources, and
The receiving node that system is about positioned at sending node overlay area edge does not send uplink feedback information, then to the outer shroud
Dynamic gene increases a decline step-length；
Step 403, if the sending node does not receive what the receiving node was sent in different uplink feedback resources
Feedback information, and system is about positioned at the receiving node at sending node overlay area edge and does not send uplink feedback information,
Then increase the outer shroud Dynamic gene rising step-length；
Step 404, the sending node sends number with coding strategy according to the modulation being calculated to the receiving node
According to.
With reference to figure 5, Fig. 5 is the schematic flow sheet of another method for sending data provided in an embodiment of the present invention.
As shown in figure 5, the method for sending data includes：
Step 501, sending node sends data simultaneously at least two receiving nodes；
Step 502, if the sending node receives the feedback that the receiving node is sent after N number of packet is continuously transmitted
Information, and if the sending node receive the feedback information that the receiving node is sent in different uplink feedback resources, and
The receiving node that system is not positioned at sending node overlay area edge about does not send uplink feedback information, described to send section
Point obtains the receiving node number of send feedback information；
Step 503, if the receiving node number meets the requirement of the coverage rate of business, to the outer shroud Dynamic gene
One decline step-length of increase；Wherein, the coverage rate disclosure satisfy that target Block Error Rate to receive in the group of data simultaneously in user
It is required that number of users account for the ratio of total number of users；
Step 504, if the receiving node number meets the requirement of the coverage rate of business, to the outer shroud Dynamic gene
One rising step-length of increase；
Step 505, the sending node sends number with coding strategy according to the modulation being calculated to the receiving node
According to.
Specifically, totally 20 user UE 1, UE 2 ..., UE 20 receive a certain point-to-multipoint industry that base station is sent in group R1
It is engaged in, to base station send feedback information on each comfortable different resource.Initial MCS value MCSinit=5, detlaMCS initial value are 0,
Outer shroud rises step-length UpStep=1, and outer shroud declines step-length DownStep=-2.The TargetBLER=1% of business, then BLER
Statistic window size is N=100 packet.The requirement of service coverage rate is 95%.System is not arranged cell edge UE and not fed back.
First statistic window Window 1 is being passed through in base station, that is, after sending N=100 bag datas, on a feedback resources
The feedback information that UE is sent is detected, as shown in fig. 6, Fig. 6 is the side of another feedback information provided in an embodiment of the present invention
Method schematic diagram.
Service coverage rate now is：
(20-1)/20*100%=95%
Meet the requirement of service coverage rate, so when maintenance to detlaMCS it is as follows：
DetlaMCS=detlaMCS+UpStep=1；
The MCS value that then base station uses before detkaMCS is safeguarded next time is MCS=MCSinit+ detlaMCS=5+1
=6.
With reference to figure 7, Fig. 7 is the schematic flow sheet of another method for sending data provided in an embodiment of the present invention.
As shown in fig. 7, the method for sending data includes：
Step 701, sending node sends data simultaneously at least two receiving nodes；
Step 702, if the sending node receives the feedback that the receiving node is sent after N number of packet is continuously transmitted
Information, and if the sending node receive the feedback information that the receiving node is sent in different uplink feedback resources, and
Feedback information has been detected on the feedback resources of high priority receiving node, then the receiving node to the outer shroud adjust because
One decline step-length of son increase；
Step 703, if the sending node receives the feedback that the receiving node is sent after N number of packet is continuously transmitted
Information, and if be not detected by feedback information on the feedback resources of high priority receiving node, and if the sending node connect
The feedback information that the receiving node is sent in different uplink feedback resources is received, and system is about positioned at the sending node
The receiving node at overlay area edge does not send uplink feedback information, then increasing by one to the outer shroud Dynamic gene declines step
It is long；
Step 704, if the sending node receives the feedback that the receiving node is sent after N number of packet is continuously transmitted
Information, and if be not detected by feedback information on the feedback resources of high priority receiving node, and if the sending node not
The feedback information that the receiving node is sent in different uplink feedback resources is received, and system is about positioned at described send and saved
The receiving node at point overlay area edge does not send uplink feedback information, then increasing by one to the outer shroud Dynamic gene rises step
It is long；
Step 705, if the sending node receives the feedback that the receiving node is sent after N number of packet is continuously transmitted
Information, and if the sending node receive the feedback information that the receiving node is sent in different uplink feedback resources, and
If being not detected by feedback information on the feedback resources of high priority receiving node, and if system be not positioned at the transmission about
The receiving node at node coverage areas edge does not send uplink feedback information, and the sending node obtains connecing for send feedback information
Receive node number；If the receiving node number is unsatisfactory for the requirement of the coverage rate of business, the outer shroud Dynamic gene is increased
Add a decline step-length；If the receiving node number meets the requirement of the coverage rate of business, to the outer shroud Dynamic gene
One rising step-length of increase；Wherein, the coverage rate disclosure satisfy that target Block Error Rate to receive in the group of data simultaneously in user
It is required that number of users account for the ratio of total number of users；
Step 706, the sending node sends number with coding strategy according to the modulation being calculated to the receiving node
According to.
Specifically, totally 20 user UE 1, UE 2 ..., UE 20 receive a certain point-to-multipoint industry that base station is sent in group R1
Business, wherein, UE20 is high-priority users.To base station send feedback information on each each comfortable different resource of user.Initial MCS
Value MCSinit=5, detlaMCS initial value are 0, and outer shroud rises step-length UpStep=1, and outer shroud declines step-length DownStep=-
2.The TargetBLER=1% of business, then BLER statistic window size is N=100 packet.Service coverage rate requires
95%.System is not arranged cell edge UE and not fed back.
First statistic window Window 1 is being passed through in base station, that is, after sending N=100 bag datas, in UE20 feedback resources
On detect UE send feedback information, as shown in figure 8, Fig. 8 is another feedback information provided in an embodiment of the present invention
Method schematic diagram.Knowing has high-priority users loading error occurring, and now the maintenance to detlaMCS is as follows：
DetlaMCS=detlaMCS+DownStep=-2；
The MCS value that then base station uses before detkaMCS is safeguarded next time is MCS=MCSinit+ detlaMCS=5-2
=3.
With reference to figure 9, Fig. 9 is the schematic flow sheet of another method for sending data provided in an embodiment of the present invention.
As shown in figure 9, the method for sending data includes：
Step 901, sending node sends data simultaneously at least two receiving nodes；
Step 902, if the sending node receives the anti-of the receiving node transmission between N number of packet is continuously transmitted
Feedforward information, then increase the outer shroud Dynamic gene decline step-length；
Step 903, if the sending node does not receive what the receiving node was sent between N number of packet is continuously transmitted
Feedback information, then the outer shroud Dynamic gene is not handled；
Step 904, the sending node sends number with coding strategy according to the modulation being calculated to the receiving node
According to.
Specifically, totally 20 user UE 1, UE 2 ..., UE 20 receive a certain point-to-multipoint industry that base station is sent in group R1
It is engaged in, to base station send feedback information on each comfortable different resource.Initial MCS value MCSinit=5, detlaMCS initial value are 0,
Outer shroud rises step-length UpStep=1, and outer shroud declines step-length DownStep=-2.The TargetBLER=1% of business, then BLER
Statistic window size is N=100 packet.
Base station detects the feedback letter that UE is sent in first statistic window Window 1 on a feedback resources
Breath, such as Figure 10, Figure 10 are the method schematic diagrams of another feedback information provided in an embodiment of the present invention.
Maintenance now to detlaMCS is as follows：
DetlaMCS=detlaMCS+DownStep=-2
The MCS value that then base station uses before detkaMCS is safeguarded next time is MCS=MCSinit+ detlaMCS=5-2
=3.
With reference to figure 11, Figure 11 is a kind of high-level schematic functional block diagram of device for sending data provided in an embodiment of the present invention.
Described device includes：
First sending module 1101, for sending data simultaneously at least two receiving nodes；
Receiving module 1102, the feedback information sent for receiving the receiving node；
Computing module 1103, for calculating modulation and coding strategy according to the feedback information；
Second sending module 1104, for sending number to the receiving node with coding strategy according to the modulation being calculated
According to.
Preferably, the modulation being calculated and coding strategy be initial modulation with coding strategy and outer shroud adjust because
Sub- sum；
The initial modulation includes the modulation coding mode and code check of lowest-order with coding strategy.
Preferably, the computing module 1103, is used for：
If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and
If receiving the feedback information that the receiving node is sent in same uplink feedback resource, to outer shroud Dynamic gene increase by one
Individual decline step-length；
If the feedback information that the receiving node is sent in same uplink feedback resource is not received, to the outer shroud
Dynamic gene increases a rising step-length.
Preferably, the computing module 1103, is used for：
If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and
If the feedback information that the receiving node is sent in different uplink feedback resources is received, and system is about positioned at the transmission
The receiving node at node coverage areas edge does not send uplink feedback information, then increases the outer shroud Dynamic gene decline
Step-length；
If the feedback information that the receiving node is sent in different uplink feedback resources is not received, and system about positions
Receiving node in sending node overlay area edge does not send uplink feedback information, then the outer shroud Dynamic gene is increased
Add a rising step-length.
Preferably, the computing module 1103, is used for：
If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and
If the sending node receives the feedback information that the receiving node is sent in different uplink feedback resources, and system is not about
The receiving node for being positioned at sending node overlay area edge does not send uplink feedback information, and described obtain sends feedback letter
The receiving node number of breath；
If the receiving node number is unsatisfactory for the requirement of the coverage rate of business, to outer shroud Dynamic gene increase by one
Individual decline step-length；
If the receiving node number meets the requirement of the coverage rate of business, one is increased to the outer shroud Dynamic gene
Rise step-length；
Wherein, the coverage rate is that disclosure satisfy that the user of target Block Error Rate requirement the group for receive data simultaneously in user
Number accounts for the ratio of total number of users.
Preferably, the computing module 1103, is used for：
If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and
If the sending node receives the feedback information that the receiving node is sent in different uplink feedback resources, and high preferential
Feedback information has been detected on the feedback resources of level receiving node, then has increased the outer shroud Dynamic gene decline step-length.
Preferably, the computing module 1103, is used for：
If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and
If being not detected by feedback information on the feedback resources of high priority receiving node, and if receiving the receiving node in difference
Uplink feedback resource on the feedback information that sends, and system is about positioned at the reception section at sending node overlay area edge
Point does not send uplink feedback information, then increases the outer shroud Dynamic gene decline step-length；
If being not detected by feedback information on the feedback resources of high priority receiving node, and if not receiving the reception
The feedback information that node is sent in different uplink feedback resources, and system is about positioned at sending node overlay area side
The receiving node of edge does not send uplink feedback information, then increases the outer shroud Dynamic gene rising step-length.
Preferably, the computing module 1103, is used for：
If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and
If the sending node receives the feedback information that the receiving node is sent in different uplink feedback resources, and if in Gao You
Be not detected by feedback information on the feedback resources of first level receiving node, and if system be not positioned at sending node covering about
The receiving node of edges of regions does not send uplink feedback information, obtains the receiving node number of send feedback information；If described connect
The requirement that node number is unsatisfactory for the coverage rate of business is received, then increases the outer shroud Dynamic gene decline step-length；If institute
The requirement that receiving node number meets the coverage rate of business is stated, then increases the outer shroud Dynamic gene rising step-length；Its
In, the coverage rate disclosure satisfy that the number of users of target Block Error Rate requirement accounts for total use to receive in the group of data simultaneously in user
The ratio of amount.
Preferably, the computing module 1103, is used for：If receive described receive between N number of packet is continuously transmitted to save
The feedback information that point is sent, then increase the outer shroud Dynamic gene decline step-length；
If the feedback information that the receiving node is sent is not received between N number of packet is continuously transmitted, not to described
Outer shroud Dynamic gene is handled.
The embodiment of the present invention provides a kind of device for sending data, and sending node is sent simultaneously at least two receiving nodes
Data；The sending node receives the feedback information that the receiving node is sent, and according to the feedback information calculate modulation with
Coding strategy；The sending node sends data with coding strategy according to the modulation being calculated to the receiving node, so as to
Solve the problems, such as the link circuit self-adapting of point-to-multipoint transmission, greatly improve the air-interface efficiency of point-to-multipoint transmission.
The technical principle of the embodiment of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain this
The principle of inventive embodiments, and the limitation to protection domain of the embodiment of the present invention can not be construed in any way.Based on herein
Explanation, those skilled in the art, which would not require any inventive effort, can associate the other specific of the embodiment of the present invention
Embodiment, these modes are fallen within the protection domain of the embodiment of the present invention.
Claims (18)
- A kind of 1. method for sending data, it is characterised in that methods described includes：Sending node sends data simultaneously at least two receiving nodes；The sending node receives the feedback information that the receiving node is sent, and calculates modulation according to the feedback information and compile Code strategy；The sending node sends data with coding strategy according to the modulation being calculated to the receiving node.
- 2. according to the method for claim 1, it is characterised in that the modulation being calculated is initial with coding strategy Modulation and coding strategy and outer shroud Dynamic gene sum；The initial modulation includes the modulation coding mode and code check of lowest-order with coding strategy.
- 3. according to the method for claim 2, it is characterised in that the sending node receives the anti-of the receiving node transmission Feedforward information, and modulation and coding strategy are calculated according to the feedback information, including：If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and described Sending node receives the feedback information that the receiving node is sent in same uplink feedback resource, then to outer shroud Dynamic gene One decline step-length of increase；If the sending node does not receive the feedback information that the receiving node is sent in same uplink feedback resource, right The outer shroud Dynamic gene increases a rising step-length.
- 4. according to the method for claim 2, it is characterised in that the sending node receives the anti-of the receiving node transmission Feedforward information, and modulation and coding strategy are calculated according to the feedback information, including：If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and described Sending node receives the feedback information that the receiving node is sent in different uplink feedback resources, and system is about positioned at institute The receiving node for stating sending node overlay area edge does not send uplink feedback information, then to outer shroud Dynamic gene increase by one Individual decline step-length；If the sending node does not receive the feedback information that the receiving node is sent in different uplink feedback resources, and is The receiving node that system is about positioned at sending node overlay area edge does not send uplink feedback information, then the outer shroud is adjusted Integral divisor increases a rising step-length.
- 5. according to the method for claim 2, it is characterised in that the sending node receives the anti-of the receiving node transmission Feedforward information, and modulation and coding strategy are calculated according to the feedback information, including：If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and if institute State sending node and receive the feedback information that the receiving node is sent in different uplink feedback resources, and system does not position about Receiving node in sending node overlay area edge does not send uplink feedback information, and the sending node, which obtains, to be sent instead The receiving node number of feedforward information；If the receiving node number is unsatisfactory for the requirement of the coverage rate of business, the outer shroud Dynamic gene is increased under one Step-length drops；If the receiving node number meets the requirement of the coverage rate of business, increase the outer shroud Dynamic gene rising Step-length；Wherein, the coverage rate is that disclosure satisfy that the number of users of target Block Error Rate requirement the group for receive data simultaneously in user Account for the ratio of total number of users.
- 6. according to the method for claim 2, it is characterised in that the sending node receives the anti-of the receiving node transmission Feedforward information, and modulation and coding strategy are calculated according to the feedback information, including：If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and if institute State sending node and receive the feedback information that the receiving node is sent in different uplink feedback resources, and connect in high priority Receive and detected feedback information on the feedback resources of node, then the receiving node increases under one the outer shroud Dynamic gene Step-length drops.
- 7. according to the method for claim 2, it is characterised in that the sending node receives the anti-of the receiving node transmission Feedforward information, and modulation and coding strategy are calculated according to the feedback information, including：If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and if Feedback information is not detected by the feedback resources of high priority receiving node, and if the sending node reception reception section The feedback information that point is sent in different uplink feedback resources, and system is about positioned at sending node overlay area edge Receiving node do not send uplink feedback information, then to the outer shroud Dynamic gene increase by one decline step-length；If being not detected by feedback information on the feedback resources of high priority receiving node, and if the sending node do not receive The feedback information that the receiving node is sent in different uplink feedback resources, and system is about positioned at the sending node and covered The receiving node at cover area edge does not send uplink feedback information, then increases the outer shroud Dynamic gene rising step-length.
- 8. according to the method for claim 2, it is characterised in that the sending node receives the anti-of the receiving node transmission Feedforward information, and modulation and coding strategy are calculated according to the feedback information, including：If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and if institute State sending node and receive the feedback information that the receiving node is sent in different uplink feedback resources, and connect in high priority Receive node feedback resources on be not detected by feedback information, and if system be not positioned at sending node overlay area side about The receiving node of edge does not send uplink feedback information, and the sending node obtains the receiving node number of send feedback information；If The receiving node number is unsatisfactory for the requirement of the coverage rate of business, then increasing by one to the outer shroud Dynamic gene declines step It is long；If the receiving node number meets the requirement of the coverage rate of business, increase the outer shroud Dynamic gene rising Step-length；Wherein, the coverage rate is that disclosure satisfy that the number of users of target Block Error Rate requirement the group for receive data simultaneously in user Mesh accounts for the ratio of total number of users.
- 9. according to the method for claim 2, it is characterised in that the sending node receives the anti-of the receiving node transmission Feedforward information, and modulation and coding strategy are calculated according to the feedback information, including：If the sending node receives the feedback information that the receiving node is sent between N number of packet is continuously transmitted, right The outer shroud Dynamic gene increases a decline step-length；If the sending node does not receive the feedback information that the receiving node is sent between N number of packet is continuously transmitted, The outer shroud Dynamic gene is not handled.
- 10. a kind of device for sending data, it is characterised in that described device includes：First sending module, for sending data simultaneously at least two receiving nodes；Receiving module, the feedback information sent for receiving the receiving node；Computing module, for calculating modulation and coding strategy according to the feedback information；Second sending module, for sending data to the receiving node with coding strategy according to the modulation being calculated.
- 11. device according to claim 10, it is characterised in that the modulation being calculated and coding strategy are initial Modulation and coding strategy and outer shroud Dynamic gene sum；The initial modulation includes the modulation coding mode and code check of lowest-order with coding strategy.
- 12. device according to claim 11, it is characterised in that the computing module, be used for：If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and if connecing The feedback information that the receiving node is sent in same uplink feedback resource is received, then outer shroud Dynamic gene is increased under one Step-length drops；If not receiving the feedback information that the receiving node is sent in same uplink feedback resource, the outer shroud is adjusted The factor increases a rising step-length.
- 13. device according to claim 11, it is characterised in that the computing module, be used for：If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and if connecing The feedback information that the receiving node is sent in different uplink feedback resources is received, and system is about positioned at the sending node The receiving node at overlay area edge does not send uplink feedback information, then increasing by one to the outer shroud Dynamic gene declines step It is long；If the feedback information that the receiving node is sent in different uplink feedback resources is not received, and system is about positioned at institute The receiving node for stating sending node overlay area edge does not send uplink feedback information, then to outer shroud Dynamic gene increase by one Individual rising step-length.
- 14. device according to claim 11, it is characterised in that the computing module, be used for：If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and if institute State sending node and receive the feedback information that the receiving node is sent in different uplink feedback resources, and system does not position about Receiving node in sending node overlay area edge does not send uplink feedback information, the acquisition send feedback information Receiving node number；If the receiving node number is unsatisfactory for the requirement of the coverage rate of business, the outer shroud Dynamic gene is increased under one Step-length drops；If the receiving node number meets the requirement of the coverage rate of business, increase the outer shroud Dynamic gene rising Step-length；Wherein, the coverage rate is that disclosure satisfy that the number of users of target Block Error Rate requirement the group for receive data simultaneously in user Account for the ratio of total number of users.
- 15. device according to claim 11, it is characterised in that the computing module, be used for：If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and if institute State sending node and receive the feedback information that the receiving node is sent in different uplink feedback resources, and connect in high priority Receive and detected feedback information on the feedback resources of node, then increase the outer shroud Dynamic gene decline step-length.
- 16. device according to claim 11, it is characterised in that the computing module, be used for：If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and if Feedback information is not detected by the feedback resources of high priority receiving node, and if receiving the receiving node different upper The feedback information sent on row feedback resources, and system is about positioned at the receiving node at sending node overlay area edge not Uplink feedback information is sent, then increases the outer shroud Dynamic gene decline step-length；If being not detected by feedback information on the feedback resources of high priority receiving node, and if not receiving the receiving node The feedback information sent in different uplink feedback resources, and system is about positioned at sending node overlay area edge Receiving node does not send uplink feedback information, then increases the outer shroud Dynamic gene rising step-length.
- 17. device according to claim 11, it is characterised in that the computing module, be used for：If the sending node receives the feedback information that the receiving node is sent after N number of packet is continuously transmitted, and if institute State sending node and receive the feedback information that the receiving node is sent in different uplink feedback resources, and connect in high priority Receive node feedback resources on be not detected by feedback information, and if system be not positioned at sending node overlay area side about The receiving node of edge does not send uplink feedback information, obtains the receiving node number of send feedback information；If the receiving node Number is unsatisfactory for the requirement of the coverage rate of business, then increases the outer shroud Dynamic gene decline step-length；If the reception Node number meets the requirement of the coverage rate of business, then increases the outer shroud Dynamic gene rising step-length；Wherein, it is described Coverage rate disclosure satisfy that the number of users of target Block Error Rate requirement accounts for total number of users to receive in the group of data simultaneously in user Ratio.
- 18. device according to claim 11, it is characterised in that the computing module, be used for：If receiving the feedback information that the receiving node is sent between N number of packet is continuously transmitted, the outer shroud is adjusted The factor increases a decline step-length；If the feedback information that the receiving node is sent is not received between N number of packet is continuously transmitted, not to the outer shroud Dynamic gene is handled.
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| CN201610585936.4A CN107645361A (en) | 2016-07-22 | 2016-07-22 | A kind of method and device for sending data |
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| CN201610585936.4A CN107645361A (en) | 2016-07-22 | 2016-07-22 | A kind of method and device for sending data |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1741631A (en) * | 2004-08-24 | 2006-03-01 | 华为技术有限公司 | Method for realizing multi broadcasting service |
| CN101595749A (en) * | 2007-01-30 | 2009-12-02 | Lg电子株式会社 | In wireless communication system, select the method and the implement device thereof of modulation and encoding scheme (MCS) index |
| EP2146515A1 (en) * | 2007-05-01 | 2010-01-20 | NTT DoCoMo, Inc. | Base station device and communication control method |
| US20100151795A1 (en) * | 2007-07-13 | 2010-06-17 | Wook Bong Lee | Method of transmitting feedback information in multiple antenna system |
| CN105577324A (en) * | 2015-12-22 | 2016-05-11 | 京信通信技术(广州)有限公司 | Self-adaptive adjustment method and system of communication link |
-
2016
- 2016-07-22 CN CN201610585936.4A patent/CN107645361A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1741631A (en) * | 2004-08-24 | 2006-03-01 | 华为技术有限公司 | Method for realizing multi broadcasting service |
| CN101595749A (en) * | 2007-01-30 | 2009-12-02 | Lg电子株式会社 | In wireless communication system, select the method and the implement device thereof of modulation and encoding scheme (MCS) index |
| EP2146515A1 (en) * | 2007-05-01 | 2010-01-20 | NTT DoCoMo, Inc. | Base station device and communication control method |
| US20100151795A1 (en) * | 2007-07-13 | 2010-06-17 | Wook Bong Lee | Method of transmitting feedback information in multiple antenna system |
| CN105577324A (en) * | 2015-12-22 | 2016-05-11 | 京信通信技术(广州)有限公司 | Self-adaptive adjustment method and system of communication link |
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