CN103532658B - SR processing method, eNB and UE - Google Patents
SR processing method, eNB and UE Download PDFInfo
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- CN103532658B CN103532658B CN201210225120.2A CN201210225120A CN103532658B CN 103532658 B CN103532658 B CN 103532658B CN 201210225120 A CN201210225120 A CN 201210225120A CN 103532658 B CN103532658 B CN 103532658B
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- srs
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Abstract
The invention discloses a kind of SR processing method, eNB and UE, wherein, this method includes：ENB judges whether SR multiplexings on SRS；ENB will determine that result is notified to UE.By with the present invention, solve because SR and ACK is multiplexed, the code channel number for enabling ACK to send is reduced, cause feedback information inaccurate, and then descending sub frame is repeatedly retransmitted, the problem of flow system flow degradation, and then the method for proposing processing SR, this method is not take up ACK bit number, controls flow system flow well.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of dispatch request（Scheduling Request, referred to as
For SR）Processing method, evolved base station（E-UTRAN NodeB, referred to as eNB）And user equipment（User Equipment,
Referred to as UE）.
Background technology
In Long Term Evolution（Long-Term Evolution, referred to as LTE）Time division duplex（Time Division
Duplex, referred to as TDD）In system, eNB can be by certain cycle by fixed Physical Uplink Control Channel（Physical
Uplink Control Channel, referred to as PUCCH）SR is distributed to, wherein, SR has indicated whether resource for UE to eNB
Request.When UE has resource request, SR is put 1, set to 0 when no.UE sends SR using the forms of PUCCH format 1.If UE is same
When have correct/error response message（Positive acknowledgement/negative acknowledgement, referred to as
For ACK/NACK）When needing to send, UE SR and ACK/NACK are multiplexed after with PUCCH format 1b forms in same code channel
Upper transmission.
ENB can distribute resource requirement UE and send measuring reference signals in frequency of use selectivity scheduling strategy
（Sounding Reference Signal, referred to as SRS）.SRS is used for channel detection, and its detection cycle is also to be carried out by eNB
Configuration.ENB knows the channel quality status of the frequency band by detecting SRS that UE is sent on certain frequency band, on this basis
Give UE dispatch frequency range resources.
Because PUCCH format1b forms can only send 2bit information, while 1 can only be sent in during ACK and SR multiplexings
On code channel, so the hybrid automatic repeat-request to four descending sub frames that now ACK can only be roughly（Hybrid Automatic
Repeat Request, referred to as HARQ）As a result unified feedback is carried out, also can only be anti-if only having a frame to merge failure in four frames
NACK is presented, four frames are required for retransmitting, cause meaningless repeating transmission, cause flow system flow degradation.
The content of the invention
The invention provides a kind of SR processing method, eNB and UE, at least to solve in correlation technique, due to SR and ACK
Multiplexing, the code channel number that ACK is sent is reduced, cause feedback information inaccurate, and then repeatedly retransmit descending sub frame, system stream
The problem of measuring degradation.
According to an aspect of the invention, there is provided a kind of SR processing method, including：ENB judges whether SR being multiplexed
On SRS；The eNB will determine that result is notified to UE.
Preferably, eNB judges whether to include SR multiplexings on SRS：The eNB judges SR according to current scheduling strategy
Whether with correct/error response message ACK/NACK simultaneous transmissions；If it is, determine SR multiplexings on SRS.
Preferably, eNB judges whether to include SR multiplexings on SRS：The eNB judges according to current scheduling strategy
SRS whether with correct/error response message ACK/NACK/SR simultaneous transmissions；If it is, determine SR multiplexings on SRS.
Preferably, methods described also includes：If the eNB is determined SR multiplexings on SRS, notify the UE by SR
Multiplexing is sent on SRS；If the eNB is determined not by SR multiplexings on SRS, notify the UE that the SR is placed on into fixation
PUCCH channels on send.
According to another aspect of the present invention, a kind of SR processing method is additionally provided, including：UE is received from eNB's
Notice；The UE is determined whether SR multiplexings on SRS according to the notice.
Preferably, the UE performs corresponding operation according to the judged result and included：If the judged result is will
SR is multiplexed on SRS, then SR is multiplexed and sent on SRS by the UE；If the judged result is SR not to be multiplexed in SRS
On, then the SR is placed on fixed PUCCH channels and sent by the UE.
According to a further aspect of the invention, there is provided a kind of eNB, including：Judge module, for judging whether to answer SR
With on SRS；Notification module, for will determine that result is notified to user equipment (UE).
Preferably, the notification module includes：First notification unit, for it is determined that SR is multiplexed into the situation on SRS
Under, notify the UE to send SR multiplexings on SRS；Second notification unit, for it is determined that SR is not multiplexed into the feelings on SRS
Under condition, notify the UE to be placed on the SR on fixed PUCCH channels and send.
In accordance with a further aspect of the present invention, there is provided a kind of UE, including：Receiving module is logical from eNB for receiving
Know；Determining module, for determining whether SR being multiplexed in SRS according to the notice.
Preferably, the determining module includes：First execution unit, for being that SR multiplexings exist in the judged result
In the case that SRS is upper, SR multiplexings are sent on SRS；Second execution unit, for not being multiplexed SR in the judged result
In the case of on SRS, the SR is placed on fixed PUCCH channels and sent.
Present invention employs following method：ENB judges whether by SR multiplexings on SRS, and will determine that result is notified to UE.
When judgement needs multiplexing, it is determined that SR multiplexings are transmitted on SRS, solves because SR and ACK is multiplexed, ACK is sent out
The code channel number sent is reduced, and causes feedback information inaccurate, and then repeatedly retransmits descending sub frame, and flow system flow degradation is asked
Topic, and then the method for proposing processing SR, this method are not take up ACK bit number, control flow system flow well.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the flow chart one of SR according to embodiments of the present invention processing method；
Fig. 2 is the flowchart 2 of SR according to embodiments of the present invention processing method；
Fig. 3 is the flow chart of SR according to the preferred embodiment of the invention processing method；
Fig. 4 is eNB according to embodiments of the present invention structured flowchart one；
Fig. 5 is eNB according to embodiments of the present invention structured flowchart two；
Fig. 6 is UE according to embodiments of the present invention structured flowchart one；
Fig. 7 is UE according to embodiments of the present invention structured flowchart two.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
Based on the bit number reduction for occupying because SR and ACK is multiplexed, ACK in correlation technique, feedback information is caused to fail,
And then descending sub frame is repeatedly retransmitted, the problem of flow system flow degradation, the embodiments of the invention provide a kind of SR processing side
Method, the processing method are applied in LTE TDD systems.Above-mentioned processing procedure is as shown in figure 1, including step S102 to step
S104：
Step S102, eNB judge whether SR multiplexings on SRS；
Step S104, eNB will determine that result is notified to UE.
The present embodiment employs following method：ENB judge whether by SR multiplexing on SRS, and will determine that result notify to
UE.When judgement needs multiplexing, it is determined that SR multiplexings are transmitted on SRS, solves because SR and ACK is multiplexed, enables ACK
The code channel number of transmission is reduced, and causes feedback information inaccurate, and then repeatedly retransmits descending sub frame, flow system flow degradation
Problem, and then the method for proposing processing SR, this method are not take up ACK bit number, control flow system flow well.
In step S102 implementation processes, whether eNB judges SR with ACK/NACK while passing according to current scheduling strategy
It is defeated；If simultaneous transmission, it is determined that SR can be multiplexed on SRS；It is of course also possible to judged according to current scheduling strategy
SRS whether with ACK/NACK/SR simultaneous transmissions；If simultaneous transmission, it is determined that SR can be multiplexed on SRS.
In implementation process, different operations is performed according to different determination result notice UE.If eNB determines to answer SR
Sent with SRS, then notifying that SR is multiplexed by UE on SRS；If eNB determines that notice UE will or not SR multiplexings on SRS
SR is placed on fixed PUCCH channels and sent.
UE by modulation technique by SR modulates informations on SRS come realize and SRS running time-frequency resource be multiplexed.The process of realization
It can include：
Step 1：UE SR information and SRS ZC sequences and its length are input to modulator；
Step 2：Modulator is modulated and exports the SRS ZC sequences for the SR information for having modulated UE；
Step 3：It will be sent out on running time-frequency resource belonging to SRS of the SRS ZC sequences for the SR information for having modulated UE in base station scheduling
Send.
Based on above-mentioned SR processing method, the present embodiment additionally provides a kind of dispatch request SR processing method, this method
UE sides are can apply to, the flow of this method is as shown in Fig. 2 including step S202 to step S204：
Step S202, UE receive the notice from eNB；
Step S204, UE are determined whether SR multiplexings on SRS according to notice.
By above-mentioned processing method, UE carries out different operations according to the different content for receiving notice.If it is determined that knot
Fruit is that then SR is multiplexed and sent on SRS by UE by SR multiplexings on SRS；If it is judged that SR not to be multiplexed on SRS,
Then SR is placed on fixed PUCCH channels and sent by UE.
The eNB processes interacted with UE are illustrated below.
Under normal conditions, eNB can distribute the last symbol of generic uplink subframe to transmit SRS, certainly, eNB
Two symbols of special subframe can also be distributed to transmit SRS.
When eNB settings SRS can be with ACK/NACK/SR simultaneous transmissions, the PUCCH format that transmission can be selected to shorten is come
ACK/NACK/SR is transmitted, in the case of SR and ACK multiplexings, wherein the ACK/NACK/SR symbols of corresponding SRS positions are struck off.
If not setting, in SRS and other controls or data collision, UE can not transmit SRS.
If SR is modulated in SRS ZC sequences, eNB only needs to dispatch SRS resource without dispatching SR resources, Ke Yijie
This code channel resource is saved to be transmitted with PUCCH format1b for ACK/NACK.Now, ACK/NACK avoids the need for entering with SR
Row multiplexing, the problem of causing flow to decline so as to avoid SR and ACK from being multiplexed causing HARQ feedback loss of significance.Meanwhile eNB exists
During frequency of use selectivity scheduling strategy, it may require that UE continually sends SRS, if on the one hand SR multiplexings are avoided on SRS
UE must not transmit SRS situation when SRS conflicts with SR, so as to meet the demand that UE sends SRS, another aspect eNB well
UE uplink channel information is obtained while UE uplink bandwidth applications are received, facilitates scheduling of resource s of the eNB to UE
In addition, in order to ensure that SR is multiplexed the reliability on SRS, eNB can be combined with being previously allocated to UE SRS bandwidth
Judge whether to need UE by SR multiplexings on SRS with current scheduling strategy.
Above-mentioned embodiment is illustrated with reference to preferred embodiment.
Preferred embodiment
This preferred embodiment is UE and the step of in eNB interactions, how SR is handled, and the process includes step S302 extremely
Step S314：
Step S302, UE access eNB.
Step S304, eNB are that the UE of access distributes SRS cycles and bandwidth.
Step S306, eNB judge whether to need to allow UE by SR multiplexings on SRS according to scheduling strategy.If it is required, then hold
Row step S308, otherwise perform step S310.
SR is multiplexed on SRS by step S308, notice UE.Perform step S312.
Step S310, notice UE send out SR on fixed PUCCH channels.Perform step S314.
SR is multiplexed on SRS by step S312, UE according to eNB instruction.
Step S314, UE send out SR on fixed PUCCH channels according to eNB instruction.
The embodiment of the present invention additionally provides a kind of eNB, the structured flowchart of the eNB as shown in figure 4, including：Judge module 10,
For judging whether SR being multiplexed in SRS；Notification module 20, coupled with judge module 10, for will determine that result notify to
User equipment (UE).
Fig. 5 shows a kind of preferable eNB, wherein, notification module 20 includes：First notification unit 202, for it is determined that
In the case that SR is multiplexed on SRS, SR is multiplexed and sent on SRS by notice UE；Second notification unit 204, for it is determined that
In the case that SR is not multiplexed on SRS, SR is placed on fixed PUCCH channels by notice UE to be sent.
Corresponding with above-mentioned eNB, the present embodiment additionally provides a kind of UE, its structured flowchart as shown in fig. 6, including：Receive
Module 30, for receiving the notice from evolved base station eNB；Determining module 40, coupled with receiving module 30, for according to logical
Know and determine whether SR multiplexings on SRS.
Fig. 7 shows a kind of preferable UE, wherein it is determined that module 40 includes：First execution unit 402, for judging
As a result it is that in the case that SR is multiplexed on SRS, SR multiplexings are sent on SRS；Second execution unit 404, for judging
As a result it is in the case that SR is not multiplexed on SRS, SR to be placed on fixed PUCCH channels and sent.
In above-mentioned eNB and UE interaction, eNB judges whether to need SR being multiplexed, and UE is held according to eNB judged result
The corresponding operation of row, and then be multiplexed in the case where needing to be multiplexed, it is effectively controlled the flow of system.
As can be seen from the above description, the present invention realizes following technique effect：
The embodiment of the present invention employs following method：ENB judges whether by SR multiplexings on SRS, and will determine that result is led to
Know to UE.When judgement needs multiplexing, it is determined that SR multiplexings are transmitted on SRS, solves because SR and ACK is multiplexed, makes
The code channel number that ACK can be sent is reduced, and causes feedback information inaccurate, and then repeatedly retransmits descending sub frame, and flow system flow is serious
The problem of decline, and then the method for proposing processing SR, this method are not take up ACK bit number, control flow system flow well,
Improve the performance of system.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed
Network on, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to they are stored
Performed in the storage device by computing device, and in some cases, can be with different from shown in order execution herein
The step of going out or describing, they are either fabricated to each integrated circuit modules respectively or by multiple modules in them or
Step is fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware and software combination.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (6)
- A kind of 1. dispatch request SR processing method, it is characterised in that including：Evolved base station eNB judges whether SR multiplexings on SRS；The eNB will determine that result is notified to user equipment (UE)；If the eNB is determined SR multiplexings on SRS, the UE is notified to send SR multiplexings on SRS；If the eNB is determined not by SR multiplexings on SRS, notify the UE that the SR is placed on to fixed PUCCH channels Upper transmission.
- 2. according to the method for claim 1, it is characterised in that eNB judges whether to include SR multiplexings on SRS：The eNB according to current scheduling strategy judge SR whether with correct/error response message ACK/NACK simultaneous transmissions；If it is, determine SR multiplexings on SRS.
- 3. according to the method for claim 1, it is characterised in that eNB judges whether to include SR multiplexings on SRS：Whether the eNB judges SRS with correct/error response message ACK/NACK/SR while passing according to current scheduling strategy It is defeated；If it is, determine SR multiplexings on SRS.
- A kind of 4. dispatch request SR processing method, it is characterised in that including：User equipment (UE) receives the notice from evolved base station eNB；The UE is determined whether SR multiplexings on SRS according to the notice；If the judged result is by SR multiplexings on SRS, SR is multiplexed and sent on SRS by the UE；If the judged result is on SRS, the SR is placed on fixed PUCCH channels by the UE not by SR multiplexings Send.
- A kind of 5. evolved base station eNB, it is characterised in that including：Judge module, for judging whether SR being multiplexed in SRS；Notification module, for will determine that result is notified to user equipment (UE)；Wherein, the notification module includes：First notification unit, in the case of it is determined that SR is multiplexed on SRS, notifying SR is multiplexed and sent on SRS by the UE；Second notification unit, in the case of it is determined that SR is not multiplexed on SRS, leading to Know the UE to be placed on the SR on fixed PUCCH channels to send.
- A kind of 6. user equipment (UE), it is characterised in that including：Receiving module, for receiving the notice from evolved base station eNB；Determining module, for determining whether SR being multiplexed in SRS according to the notice；Wherein, the determining module includes：First execution unit, for being that SR is multiplexed on SRS in the judged result In the case of, SR multiplexings are sent on SRS；Second execution unit, for SR not being multiplexed in the judged result in SRS In the case of, the SR is placed on fixed PUCCH channels and sent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210225120.2A CN103532658B (en) | 2012-07-02 | 2012-07-02 | SR processing method, eNB and UE |
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| CN201210225120.2A CN103532658B (en) | 2012-07-02 | 2012-07-02 | SR processing method, eNB and UE |
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| CN103532658A CN103532658A (en) | 2014-01-22 |
| CN103532658B true CN103532658B (en) | 2017-12-12 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3565150B1 (en) * | 2017-01-04 | 2021-03-10 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Uplink transmission method, terminal, and network device |
| EP3635905B1 (en) * | 2017-06-09 | 2022-01-26 | Apple Inc. | Concurrent transmission of acknowledgment and scheduling request information on a control channel |
| JP6968263B2 (en) * | 2017-08-11 | 2021-11-17 | 中▲興▼通▲訊▼股▲ふぇん▼有限公司Zte Corporation | Methods and equipment for resource allocation in wireless communication |
| CN109644073B (en) * | 2017-08-11 | 2020-09-22 | Oppo广东移动通信有限公司 | Information transmission method and related product |
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| CN102150380A (en) * | 2008-08-12 | 2011-08-10 | Lg电子株式会社 | Vmethod and apparatus of transmitting scheduling request in wireless communication system |
| WO2011099300A1 (en) * | 2010-02-12 | 2011-08-18 | パナソニック株式会社 | Terminal apparatus and signal transmission control method |
| WO2012036704A1 (en) * | 2010-09-17 | 2012-03-22 | Research In Motion Limited | Sounding reference signal transmission in carrier aggregation |
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| US7778151B2 (en) * | 2006-10-03 | 2010-08-17 | Texas Instruments Incorporated | Efficient scheduling request channel for wireless networks |
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| CN102150380A (en) * | 2008-08-12 | 2011-08-10 | Lg电子株式会社 | Vmethod and apparatus of transmitting scheduling request in wireless communication system |
| WO2011099300A1 (en) * | 2010-02-12 | 2011-08-18 | パナソニック株式会社 | Terminal apparatus and signal transmission control method |
| WO2012036704A1 (en) * | 2010-09-17 | 2012-03-22 | Research In Motion Limited | Sounding reference signal transmission in carrier aggregation |
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