CN102355336B - Buffer status report (BSR) triggering method, device and user equipment - Google Patents
Buffer status report (BSR) triggering method, device and user equipment Download PDFInfo
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- CN102355336B CN102355336B CN201110205559.4A CN201110205559A CN102355336B CN 102355336 B CN102355336 B CN 102355336B CN 201110205559 A CN201110205559 A CN 201110205559A CN 102355336 B CN102355336 B CN 102355336B
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- 230000004044 response Effects 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000013475 authorization Methods 0.000 description 18
- 230000007246 mechanism Effects 0.000 description 7
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- 238000004891 communication Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
- H04L1/1685—Details of the supervisory signal the supervisory signal being transmitted in response to a specific request, e.g. to a polling signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1854—Scheduling and prioritising arrangements
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- Mobile Radio Communication Systems (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Abstract
The invention discloses a buffer status report (BSR) triggering method, a BSR triggering device and user equipment. The method comprises that: the user equipment transmits a transport block carrying a BSR to an evolved NodeB; the user equipment determines the transmitted transport block has an HARQ failure or not according to whether information which is returned by the evolved NodeB and indicates whether the hybrid automatic repeat request (HARQ) feedback information of the transport block is received successfully or not; and when the transmitted transport block is determined to have the HARQ failure, the user equipment triggers the conventional BSR. By the method, the triggering condition of the conventional BSR is added, so that the user equipment (UE) can learn whether the transmitted BSR is accurately received or not in advance and timely and fast trigger a new conventional BSR to shorten unnecessary waiting time, avoid the frequent stream interruption phenomena of uplink transmission of the UE and greatly improve the uplink transmission efficiency of the UE.
Description
Technical field
The present invention relates to wireless communication technology field, espespecially a kind of buffer status report (Buffer Status Report,
BSR) triggering method, device and user equipment.
Background technology
In Long Term Evolution (Long Term Evolution, LTE) wireless network, user equipment (User Equipment,
UE) by medium education transmission block (MACMedia Access Control Transport block, MAC TB)
The upstream data size cached during BSR control elements are carried to notify serving BS (eNodeB) current UE logic channel group.
It is that UE distributes ascending resource that eNodeB is received after the BSR of UE according to corresponding dispatching algorithm, and by descending control signaling
Uplink authorization is carried in (Downlink Control Information, DCI) and notifies the corresponding ascending resources of UE, so that UE enters
Row upstream data sends.According to 3GPP 36.321MAC layer protocols, the BSR types of current UE have conventional BSR, filling BSR and week
Tri- kinds of phase BSR.
According to the description of 3GPP 36.321MAC layer protocols, at present routine BSR is triggered by following several situations：
1) belong to the logic channel of certain logic channel group, if wireless spread-spectrum technology (Radio Link Control,
RLC) have up in entity or PDCP (Packet Data Convergence Protocol, PDCP) entity
Data are available for transmission, and all logic channels can not pass data in current logic channel group, at this moment trigger routine BSR；
2) logic channel of certain logic channel group is belonged to, if having upstream data to be available in RLC entities or PDCP entities
Transmission, and the priority of this logic channel is higher than the logic channel that there is outgoing data in current any logic channel group
Priority, at this moment triggers routine BSR；
3) BSR intervalometers (retxBSR-Timer) time-out and UE any one logic in certain logic channel group are retransmitted
Channel has can pass data, at this moment trigger routine BSR.
According to 36.321 agreements, if triggered routine BSR is to be sent, but now without uplink authorization, UE
One dispatch request (Scheduling Request, SR) of triggering first asks service eNodeB to send routine for its configuration
The uplink authorization of BSR.
If cycle BSR intervalometer (periodicBSR-Timer) time-out of UE, the BSR at this moment triggering is referred to as the cycle
BSR。
If UE is assigned ascending resource, and filling bit number more than or equal to BSR MAC Control Element and its MAC head
Bit number sum, such BSR referred to as fills BSR.
If one filling BSR or cycle BSR is to be sent for triggering, but now without uplink authorization, then it is right not send
The filling BSR for answering or cycle BSR, will not also trigger SR and go to ask uplink authorization.
According to 36.321 agreements, UE often sends a BSR, needs to start or restart retxBSR-Timer intervalometers.Separately
Once outer UE receives the uplink authorization that new data is transmitted on Uplink Shared Channel (Uplink Shared Channel, UL-SCH)
Afterwards, retxBSR-Timer is restarted.According to 3GPP36.331RRC agreements, the minima of MAC layer retxBSR-Timer is 320ms.
Describe according to above-mentioned agreement, when not having uplink authorization, UE has no idea to send any BSR.But
It is its collocating uplink mandate that conventional BSR can trigger UE and first send a SR request service eNodeB, and is filled BSR and cycle
The BSR then not no authorities.So after UE have sent any BSR, if cannot get corresponding uplink authorization, can one
Directly wait until that the condition for triggering conventional BSR could trigger SR and go to obtain uplink authorization after producing.And in order to prevent UE frequently to
The request uplink authorization that eNodeB repeats, agreement strictly (sees above conventional BSR to the comparison that the condition for triggering routine BSR specifies
Three kinds of conditions of triggering), if the data without higher priority are produced, must be after retxBSR-Timer be overtime
Energy retriggered routine BSR goes to trigger the uplink authorization that SR obtains eNodeB, and retxBSR-Timer is the equal of to base station one
The time buffer window of individual distribution uplink authorization, within the time cycle, it is to avoid UE is to eNodeB repetitive requests uplink authorizations.
Generally, UE have sent any one BSR, and eNodeB can be as early as possible by uplink authorization in UE distribution after receiving
Row resource.But if eNodeB can be waited until due to dispatching no ascending resource in the busy or short time to the UE, the then UE
Trigger a routine BSR after retxBSR-Timer is overtime again to ask uplink authorization, in this case, trigger in agreement normal
The mechanism of rule BSR is rational.But the up TB comprising BSR sent if there is UE loses in air interface transmission, or
The TB due to air interface transmission code stream mistake cause base station decoding unsuccessfully wait base station can not be properly received carrying BSR TB situation,
Then occur that eNodeB cannot distribute uplink authorization for UE, causing UE to continue waiting for time of retxBSR-Timer length could
Remove to trigger SR using new triggering routine BSR and obtain uplink authorization, and in the meantime on former logic channel the data of new generation also without
Method triggers BSR or SR, causes the up problems for occurring stopping of time UE in retxBSR-Timer length.And work as the letter of UE
Road poor quality, is easier up TB loss occur or the situation of code stream mistake occurs in air interface transmission in up TB, just
Time up cannot the giving out a contract for a project that UE can be frequently occurred in retxBSR-Timer length causes the problem of up frequent cutout.
The content of the invention
The embodiment of the present invention provides a kind of BSR triggering method, device and user equipment, sends out to solve existing user equipment
When the transmission block of the carrying BSR for sending can not be received correctly by the base station, base station is caused to distribute asking for up authority for UE in time
Topic.
A kind of BSR triggering method, including：
User equipment sends the transmission block for carrying BSR to base station；
According to the hybrid automatic repeat-request HARQ feedback information for whether being properly received the transmission block returned to base station,
It is determined that whether the transmission block for sending there are HARQ failures；
When the determination is yes, a routine BSR is triggered.
A kind of BSR triggering devices, including：
Sending module, for sending the transmission block for carrying BSR to base station；
Determining module, for the hybrid automatic repeat-request for whether being properly received the transmission block that basis is returned to base station
HARQ feedback information, it is determined that whether the transmission block for sending HARQ failures occurs；
Trigger module, for when determining module is determined as, triggering a routine BSR.
A kind of user equipment, including above-mentioned BSR triggering devices.
The present invention has the beneficial effect that：
BSR triggering method provided in an embodiment of the present invention, device and user equipment, user equipment sends to base station and carries
After the transmission block of BSR, if the hybrid automatic repeat-request HARQ for whether being properly received the transmission block according to base station return is anti-
Feedforward information, it is determined that when HARQ failures occurs in the transmission block for sending, triggering a routine BSR.This method increase a routine BSR
Trigger condition, when the up TB comprising BSR for UE transmissions occur loses in air interface transmission, or the TB is due to air interface transmission
Code stream mistake causes base station decoding unsuccessfully to wait base station to be properly received the situation of the TB for carrying BSR, and UE can be known ahead of time
The BSR for sending is not received correctly by the base station, and quickly triggers new conventional BSR, shortens the unnecessary waiting time, keeps away
Exempt from the frequent cutout phenomenon of UE uplink, greatly improve the up efficiencies of transmission of UE.
Description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the present invention, this
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of BSR triggering method in prior art；
Fig. 2 is the structural representation of BSR triggering devices in the embodiment of the present invention.
Specific embodiment
In order that the technical problem to be solved, technical scheme and beneficial effect are clearer, clear, below tie
Drawings and Examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
When the transmission block of the carrying BSR sent for user equipment in prior art can not be received correctly by the base station, cause
The problem that base station can not distribute up authority for UE in time, the embodiment of the present invention provides a kind of BSR triggering method, makes the UE can be with profit
With some treatment mechanisms of existing protocol, know that eNodeB is not properly received BSR in advance, thus can terminate in advance to retransmit
BSR intervalometers (retxBSR-Timer), shorten the up cutout time, improve uplink efficiency.
Generally, the TB of UE uplink, eNodeB are can be to UE feedbacks either with or without the successfully TB is received, and this passes through 3GPP
Hybrid automatic repeat-request specified in 36.321MAC agreements (Hybrid Automatic Repeat Request, HARQ) machine
Make to complete.When UE often sends a up TB, eNodeB demodulation success or not is all to give UE corresponding HARQ feedbacks.Such as
Fruit eNodeB is demodulated successfully can confirm response (ACK) to UE feedback HARQ, and UE can discharge corresponding TB.If eNodeB is demodulated
Failure, can reply to UE and unsuccessfully reply (NACK) feedback request UE re-transmissions, if the number of times that UE retransmits same TB is equal to configuration
HARQ maximum retransmissions, eNodeB is also the failure to be properly received the TB, then it is assumed that there is HARQ failure (FAIL) so as to
Corresponding TB is abandoned, the TB uplink failure is at this moment thought.Based on HARQ mechanism specified in agreement, UE takes for each
Whether the up TB with BSR, the BSR that TB carryings can be identified through by the HARQ feedback of eNodeB is correct by eNodeB
Receive.Think that the BSR is up if HARQFAIL occurs in some TB comprising BSR and send failure, not by eNodeB just
Really receive, otherwise it is assumed that eNodeB is properly received the BSR.
TB based on HARQ mechanism receives affirmation mechanism, the trigger mechanism of routine BSR in the former agreement of present invention change, there is provided
A kind of BSR triggering method, its flow process is as shown in figure 1, comprise the steps：
Step S11：User equipment sends the transmission block for carrying BSR to base station.
The HARQ maximum retransmissions for assuming UE configurations are MaxHarqRetranNum.UE often sends a new BSR, right
The HARQ feedback of the TB comprising the BSR proceeds by statistics, arranges an enumerator (BsrHarqNakNum), is initialized as 0.
Step S12：According to the hybrid automatic repeat-request HARQ feedback for whether being properly received the transmission block that base station returns
Information, it is determined that whether the transmission block for sending HARQ failures occurs.
When the determination is yes, execution step S13；Otherwise execution step S14.
It is determined that whether the transmission block for sending the process of HARQ failures occurs, specifically include：User equipment monitors receive base station
The HARQ feedback information of the transmission block for returning.When the HARQ feedback information for receiving is unsuccessfully to reply NACK and receive
When the number of times of NACK is more than or equal to the HARQ maximum retransmissions for setting, it is determined that there are HARQ failures in the transmission block for sending.
User equipment starts an enumerator when sending the transmission block for carrying BSR to base station；Believe when HARQ feedback is received
Cease to confirm during response ACK, to reinitialize the enumerator；When HARQ feedback information is received unsuccessfully to reply NACK,
Enumerator adds 1, and the count value after adding 1 by enumerator with setting HARQ maximum retransmissions compare, when enumerator plus 1 it
When count value afterwards is more than or equal to the HARQ maximum retransmissions for setting, it is determined that there are HARQ failures in the transmission block for sending.
For the enumerator (BsrHarqNakNum) for arranging, the HARQ feedback information of the TB that base station sends to UE is ACK,
Then BsrHarqNakNum is reinitialized to into 0, and stops being counted for the HARQ feedback of the TB.If base station sends to UE
The HARQ feedback information of TB be NACK, then perform BsrHarqNakNum=BsrHarqNakNum+1.If then judged
BsrHarqNakNum ＞=MaxHarqRetranNum, then execution step S13 trigger a routine BSR.Otherwise continue to count to be somebody's turn to do
TB retransmit after HARQ feedback information, according to being ACK or NAK, the count value of refresh counter again.
Step S13：One routine BSR of triggering.
When the NACK of the TB currently transmitted for UE of base station feedback is counted on more than setting HARQ maximum retransmissions,
Think that HARQ failures occurs in the TB for sending, therefore trigger a routine BSR, request base station carries out uplink authorization.
Step S14：Do not operated.
That is, increased a triggering on the basis of the trigger condition of original triggering routine BSR in said method
There is HARQFAIL in the condition of conventional BSR, the TB of the carrying BSR sent recently as UE, then trigger a routine BSR.
Preferably, said method also includes：After user equipment sends the transmission block for carrying BSR to base station, if user
Equipment produces on logical channels new data, then trigger a routine BSR.
In order to avoid UE from constantly sending the BSR of repetition, then may determine that after UE sends a new BSR, to UE
Confirm that the BSR occurs between HARQ FAIL, if UE generates on logical channels new data, then trigger one in advance often
Rule BSR.The conventional BSR of so new triggering be exactly one from BSR different before.So can avoid because eNodeB is for UE
Some identical TB always demodulates the situation for unsuccessfully causing UE frequently to retransmit the up TB.
Based on above-mentioned BSR triggering method provided in an embodiment of the present invention, the embodiment of the present invention also provides a kind of BSR triggerings dress
Put, the device can be arranged in a user device, the structure of the device as shown in Fig. 2 including：Sending module 10, determining module
20 and trigger module 30.
Sending module 10, for sending the transmission block for carrying BSR to base station.
Determining module 20, the mixing of the transmission block for whether being properly received the transmission of sending module 10 for being returned according to base station
HARQ HARQ feedback information, it is determined that whether the transmission block for sending HARQ failures occurs.
Trigger module 30, for when determining module 20 is determined as, triggering a routine BSR.
Preferably, above-mentioned determining module 20, specifically for：Monitoring receives the transmission of the transmission of sending module 10 that base station returns
The HARQ feedback information of block；When the HARQ feedback information for receiving be unsuccessfully reply NACK and receive NACK number of times exceed set
During fixed HARQ maximum retransmissions, it is determined that there are HARQ failures in the transmission block for sending.
Preferably, above-mentioned determining module 20, specifically for：When sending module 10 sends the transmission block for carrying BSR to base station
Mono- enumerator of Shi Qidong；When HARQ feedback information is received to confirm response ACK, the enumerator is reinitialized；When
Receive HARQ feedback information for unsuccessfully reply NACK when, the enumerator adds 1, and the count value after adding 1 by enumerator with
The HARQ maximum retransmissions of setting compare；Count value after enumerator plus 1 is maximum more than or equal to the HARQ of setting to be retransmitted
During number of times, it is determined that there are HARQ failures in the transmission block for sending.
Preferably, above-mentioned trigger module 30, be additionally operable to the sending module to base station send carry BSR transmission block it
Afterwards, if user equipment produces on logical channels new data, a routine BSR is triggered.
Above-mentioned BSR triggering method and device, using existing HARQ mechanism, shortening base station can not be properly received UE transmissions
When carrying the data block of BSR, the triggered time of routine BSR is triggered.Generally, if UE is obtained when sending each up TB
The time cycle of HARQ feedback is 8ms, it is assumed that HARQ maximum retransmissions are 4 times, then UE is to one by the upper of TB transmissions
Row BSR judges that time delay is 32ms what base station side was not properly received, much smaller than re-transmission BSR intervalometers (retxBSR-Timer)
Time (minimum is configurable to 320ms).So using the said method of the present invention, UE can advance to the time of tens ms
Inside know that eNodeB is not properly received a BSR, so as to the new conventional BSR of quick retriggered, it is unnecessary etc. to shorten
Treat the time, it is to avoid the frequent cutout phenomenon of UE uplink, greatly improve the up efficiencies of transmission of UE.
Described above illustrates and describes a preferred embodiment of the present invention, but as previously mentioned, it should be understood that the present invention
Be not limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and can be used for various other combinations,
Modification and environment, and can be in invention contemplated scope described herein, by above-mentioned teaching or the technology or knowledge of association area
It is modified.And change that those skilled in the art are carried out and change be without departing from the spirit and scope of the present invention, then all should be at this
In the protection domain of bright claims.
Claims (7)
1. a kind of BSR triggering method, it is characterised in that include：
User equipment sends the transmission block for carrying BSR to base station；
According to the hybrid automatic repeat-request HARQ feedback information for whether being properly received the transmission block that base station returns, it is determined that sending out
Whether the transmission block for sending there are HARQ failures；
When the determination is yes, a routine BSR is triggered；
Wherein, methods described also includes：
After user equipment sends the transmission block for carrying BSR to base station, if user equipment produces on logical channels new number
According to, then trigger a routine BSR.
2. the method for claim 1, it is characterised in that it is determined that whether the transmission block for sending the mistake of HARQ failures occurs
Journey, specifically includes：
User equipment monitors receive the HARQ feedback information of the transmission block that base station returns；
When the HARQ feedback information for receiving be unsuccessfully reply NACK and receive NACK number of times exceed setting HARQ it is maximum
During number of retransmissions, it is determined that there are HARQ failures in the transmission block for sending.
3. method as claimed in claim 2, it is characterised in that described when the HARQ feedback information that receive is unsuccessfully to reply
NACK and receive the number of times of NACK more than or equal to setting HARQ maximum retransmissions when, it is determined that the transmission block for sending occurs
HARQ fails, and specifically includes：
User equipment starts an enumerator when sending the transmission block for carrying BSR to base station；
When HARQ feedback information is received to confirm response ACK, the enumerator is reinitialized；
When HARQ feedback information is received unsuccessfully to reply NACK, the enumerator adds 1, and the meter after adding 1 by enumerator
Numerical value compares with the HARQ maximum retransmissions of setting, and the count value after enumerator plus 1 is more than or equal to the HARQ for setting most
During big number of retransmissions, it is determined that there are HARQ failures in the transmission block for sending.
4. a kind of BSR triggering devices, it is characterised in that include：
Sending module, for sending the transmission block for carrying BSR to base station；
Determining module, the hybrid automatic repeat-request HARQ for whether being properly received the transmission block for being returned according to base station is anti-
Feedforward information, it is determined that whether the transmission block for sending HARQ failures occurs；
Trigger module, for when determining module is determined as, triggering a routine BSR；
Wherein, the trigger module is additionally operable to：After the sending module sends the transmission block for carrying BSR to base station, if
User equipment produces on logical channels new data, then trigger a routine BSR.
5. device as claimed in claim 4, it is characterised in that the determining module, specifically for：
Monitoring receives the HARQ feedback information of the transmission block that base station returns；When the HARQ feedback information for receiving is unsuccessfully should
When answering NACK and receiving the number of times of NACK more than or equal to the HARQ maximum retransmissions for setting, it is determined that the transmission block for sending occurs
HARQ fails.
6. device as claimed in claim 5, it is characterised in that the determining module, specifically for：
Start an enumerator when the sending module sends the transmission block for carrying BSR to base station；When receiving HARQ feedback
When information is to confirm response ACK, the enumerator is reinitialized；It is unsuccessfully to reply NACK when HARQ feedback information is received
When, the enumerator adds 1, and the count value after adding 1 by enumerator compares with the HARQ maximum retransmissions of setting；Work as counting
Device add 1 after count value more than or equal to setting HARQ maximum retransmissions when, it is determined that send transmission block occur HARQ mistake
Lose.
7. a kind of user equipment, it is characterised in that include the BSR triggering devices as described in claim 4-6 is arbitrary.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110205559.4A CN102355336B (en) | 2011-07-21 | 2011-07-21 | Buffer status report (BSR) triggering method, device and user equipment |
| PCT/CN2011/082900 WO2012151953A1 (en) | 2011-07-21 | 2011-11-24 | Method, device, and user apparatus for triggering bsr |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110205559.4A CN102355336B (en) | 2011-07-21 | 2011-07-21 | Buffer status report (BSR) triggering method, device and user equipment |
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| CN102355336A CN102355336A (en) | 2012-02-15 |
| CN102355336B true CN102355336B (en) | 2017-05-10 |
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| CN201110205559.4A Expired - Fee Related CN102355336B (en) | 2011-07-21 | 2011-07-21 | Buffer status report (BSR) triggering method, device and user equipment |
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| WO (1) | WO2012151953A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103369509B (en) * | 2012-03-29 | 2018-02-27 | 中兴通讯股份有限公司 | A kind of reporting cached state method and terminal device |
| CN105636098B (en) * | 2014-10-30 | 2020-03-13 | 中兴通讯股份有限公司 | Method and device for estimating waiting time delay of uplink service |
| CN105704739A (en) * | 2014-11-26 | 2016-06-22 | 深圳市中兴微电子技术有限公司 | User plane reinitializing method and device |
| EP3278483B1 (en) * | 2015-03-31 | 2021-09-29 | Panasonic Intellectual Property Corporation of America | Wireless communication method, user equipment and enode-b |
| CN106209326B (en) * | 2016-06-30 | 2019-06-07 | 深圳市海思半导体有限公司 | Method for transmitting uplink data and device |
| CN108631949A (en) * | 2017-03-23 | 2018-10-09 | 株式会社Ntt都科摩 | Data transmission method for uplink, data receiver method, user equipment and base station |
| EP3723311A1 (en) * | 2019-04-07 | 2020-10-14 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Methods and apparatuses for handling retransmissions in a wireless telecommunications system |
| CN112332953B (en) * | 2020-11-18 | 2022-10-18 | 紫光展锐(重庆)科技有限公司 | Data sending method and related device |
| US20230239731A1 (en) * | 2022-01-21 | 2023-07-27 | Qualcomm Incorporated | Buffer threshold for secondary cell group activation |
| CN115868236A (en) * | 2022-09-26 | 2023-03-28 | 北京小米移动软件有限公司 | Information transmission control method, information transmission control device, communication equipment and storage medium |
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| CN102119502A (en) * | 2008-08-11 | 2011-07-06 | 皇家飞利浦电子股份有限公司 | Method for communicating in a network, a secondary station and a system therefor |
| WO2010028157A1 (en) * | 2008-09-03 | 2010-03-11 | Qualcomm Incorporated | Buffer status report triggers in wireless communications |
| CN102118189A (en) * | 2009-12-31 | 2011-07-06 | 华为技术有限公司 | Contention-based resource configuration method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102355336A (en) | 2012-02-15 |
| WO2012151953A1 (en) | 2012-11-15 |
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