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WO2015096089A1 - Procédé de tolérance aux anomalies et dispositif pour informations de transmission de canal phich - Google Patents

Procédé de tolérance aux anomalies et dispositif pour informations de transmission de canal phich Download PDF

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Publication number
WO2015096089A1
WO2015096089A1 PCT/CN2013/090547 CN2013090547W WO2015096089A1 WO 2015096089 A1 WO2015096089 A1 WO 2015096089A1 CN 2013090547 W CN2013090547 W CN 2013090547W WO 2015096089 A1 WO2015096089 A1 WO 2015096089A1
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WO
WIPO (PCT)
Prior art keywords
mobile terminal
base station
data
response message
moment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2013/090547
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English (en)
Chinese (zh)
Inventor
朱希云
王轶蓓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN201380003518.4A priority Critical patent/CN103918210A/zh
Priority to PCT/CN2013/090547 priority patent/WO2015096089A1/fr
Publication of WO2015096089A1 publication Critical patent/WO2015096089A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/365—Power headroom reporting

Definitions

  • the embodiments of the present invention relate to communication technologies, and in particular, to a fault tolerance method and apparatus for transmitting information on a PHICH channel. Background technique
  • the eNode B in the process of Hybrid Automatic Repeat Request (HARQ), the eNode B sends a UL Grant to the UE, and the UE sends data according to the received UL grant information at a specific location, and the eNode B passes the PHICH. (Physical HARQ indicator channel) Feed back to the UE whether the last transmitted data is ACK or NACK, the UE demodulates the PHICH information at a specific location, and then determines whether it is necessary to resend the data at a specific location according to the demodulated AC/NACK information.
  • HARQ Hybrid Automatic Repeat Request
  • the UE sends an RRC Connection Request (MSG3) to the eNode B.
  • MSG3 RRC Connection Request
  • the eNode B feeds back the ACK to the UE through the PHICH, but the UE demodulates the ACK into a NACK, and then the eNode. B will send the RRC Connection Setup (MSG4) to the UE.
  • MSG4 RRC Connection Setup
  • the embodiments of the present invention provide a fault tolerance method and device for transmitting PHICH channel information, so as to overcome the problem of user access failure caused by UE errorly demodulating PHICH channel transmission information in the prior art.
  • an embodiment of the present invention provides a fault tolerance method for transmitting information on a PHICH channel, including: If the base station correctly receives the first data sent by the mobile terminal, the base station returns a first response message to the mobile terminal at the first moment, where the first response message includes a success message indicating that the first data has been correctly received. Descriptive information; the first data is not data sent by the last HARQ retransmission of the mobile terminal; the base station does not schedule new data of the mobile terminal at the first moment;
  • the preset time interval is 8 TTI.
  • an embodiment of the present invention provides a fault tolerance method for transmitting information on a PHICH channel, including:
  • the mobile terminal After the mobile terminal sends the first data to the base station, the first response message that is returned by the base station at the first moment is received, where the first response message includes success description information indicating that the first data has been correctly received.
  • the first data is not data sent by the last HARQ retransmission of the mobile terminal; the base station does not schedule new data of the mobile terminal at the first moment;
  • the preset time interval is 8 ⁇ .
  • the method further includes:
  • an embodiment of the present invention provides a base station, including:
  • a first sending module configured to: if the base station correctly receives the first data sent by the mobile terminal, Returning, to the mobile terminal, a first response message, where the first response message includes success description information indicating that the first data has been correctly received; the first data is not the last time of the mobile terminal.
  • the HARQ retransmits the data sent by the base station; the base station does not schedule the new data of the mobile terminal at the first moment;
  • a second sending module configured to send, by the base station, a second response message to the mobile terminal when the preset time interval after the first time arrives, where the second response message includes the success description information.
  • the preset time interval is 8 TTI.
  • an embodiment of the present invention provides a mobile terminal, including:
  • a first receiving module configured to: after the mobile terminal sends the first data to the base station, receive a first response message that is returned by the base station at the first moment, where the first response message includes Success description information of the data; the first data is not data sent by the last HARQ retransmission of the mobile terminal; the base station does not schedule new data of the mobile terminal at the first moment;
  • a second receiving module configured to receive, by the mobile terminal, a second response message sent by the base station when the preset time interval after the first time arrives, where the second response message includes the success description information.
  • the preset time interval is 8 ⁇ .
  • the method further includes:
  • a retransmission module configured to: if the mobile terminal incorrectly parses the success description information into failure description information, retransmit the first to the base station in a preset time interval after the first time Data; or
  • an embodiment of the present invention provides a base station device, including:
  • the memory storing execution instructions, when the base station device is in operation, the processor is in communication with the memory, the processor executing the execution instruction to cause A method in which the base station apparatus performs the first aspect and the first possible implementation manner of the first aspect.
  • a sixth aspect of the present invention provides a mobile terminal device, including:
  • the memory storing execution instructions, when the mobile terminal device is in operation, the processor is in communication with the memory, the processor executing the execution instruction to cause the mobile terminal device to perform A method of the second aspect, the first to the second aspect of the second aspect, which may be implemented.
  • a fault tolerance method and apparatus for transmitting PHICH channel information when the base station correctly receives the first data sent by the mobile terminal, returns a first response message to the mobile terminal, where the first response message includes And indicating, by the base station, a second response message, where the second response is sent, when the preset time interval after the first time arrives, the base station is configured to send the second response message to the mobile terminal.
  • the message includes the success description information, which ensures the correctness of the key process signaling.
  • FIG. 1 is a flowchart of Embodiment 1 of a fault tolerant method for transmitting PHICH channel information according to the present invention
  • FIG. 2 is a flowchart of Embodiment 2 of a fault tolerant method for PHICH channel transmission information according to the present invention
  • FIG. 3 is a fault tolerant method for transmitting PHICH channel information according to the present invention
  • 3 is a flowchart of Embodiment 4 of a fault tolerant method for transmitting PHICH channel information according to the present invention
  • FIG. 5 is a schematic structural diagram of Embodiment 1 of a fault tolerant device for transmitting PHICH channel information according to the present invention
  • Embodiment 6 is a schematic structural diagram of Embodiment 2 of a fault tolerant device for transmitting PHICH channel information according to the present invention
  • Embodiment 7 is a schematic structural diagram of Embodiment 1 of a base station device according to the present invention.
  • FIG. 8 is a schematic structural diagram of Embodiment 1 of a mobile terminal device according to the present invention.
  • the technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention.
  • the embodiments are a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
  • Embodiment 1 is a flowchart of Embodiment 1 of a fault tolerant method for transmitting PHICH channel information according to the present invention. As shown in FIG. 1, the method in this embodiment may include:
  • Step 101 If the base station correctly receives the first data sent by the mobile terminal, the base station returns a first response message to the mobile terminal at the first moment, where the first response message includes, to indicate that the first a success description information of the data; the first data is not data sent by the last HARQ retransmission of the mobile terminal; the base station does not schedule new data of the mobile terminal at the first moment.
  • the first moment may be a 4TTI moment after the first base station receives the first data sent by the mobile terminal.
  • Step 102 The base station sends a second response message to the mobile terminal when the preset time interval after the first time arrives, where the second response message includes the success description.
  • the preset time interval may be 8 TTI.
  • the successfully described information in the foregoing step may be an ACK sent by the base station to the mobile terminal through the PHICH channel, to indicate that the base station correctly receives the data sent by the mobile terminal.
  • the base station feeds back two ACKs to the same data, thereby improving the correct solution.
  • the probability of ACK is adjusted.
  • the base station After the base station sends an ACK to the mobile terminal and schedules new data according to the LTE protocol, after receiving the new data, the new data transmitted by the mobile terminal is received, and then the 4TTI base station feeds back the ACK to the mobile terminal for the data, so here
  • the time interval for the eNB to send the ACK twice is 8 TTI, that is, the preset time interval between the first response message and the second response message may be 8 TTI, so that when the mobile terminal retransmits the data to the base station by using the ACK demodulation error.
  • the base station can send an ACK again for the data, thereby improving the demodulation success rate of the mobile terminal.
  • the mobile terminal when the base station correctly receives the first data sent by the mobile terminal, The mobile terminal returns a first response message, where the first response message includes success description information indicating that the first data has been correctly received, and the base station arrives at a preset time interval after the first time Sending a second response message to the mobile terminal, where the second response message includes the success description information, so that when the base station correctly receives the data sent by the mobile terminal, the success description information is sent twice for the data. Therefore, the correct rate of the successful description information of the base station being correctly demodulated by the mobile terminal is improved, thereby improving the guarantee of the correctness of the key process signaling in the interaction process.
  • Embodiment 2 is a flowchart of Embodiment 2 of a fault tolerant method for transmitting PHICH channel information according to the present invention. As shown in FIG. 2, the method in this embodiment may include:
  • Step 201 After the mobile terminal sends the first data to the base station, the first response message that is returned by the base station at the first moment is received, where the first response message includes a success message that the first data is correctly received. Descriptive information; the first data is not data sent by the last HARQ retransmission of the mobile terminal; the base station does not schedule new data of the mobile terminal at the first moment.
  • the first moment may be a 4TTI moment after the mobile terminal sends the first data to the base station.
  • Step 202 The mobile terminal receives a second response message sent by the base station when the preset time interval of the mobile terminal arrives, where the second response message includes the success description information.
  • the preset time interval may be 8 TTI.
  • the mobile terminal erroneously parses the success description information into failure description information, retransmitting the first data to the base station within a preset time interval after the first time;
  • the mobile terminal After the mobile terminal sends the first data to the base station, after receiving the first response message returned by the base station at the first moment, if the mobile terminal incorrectly parses the successful description information in the first response message into the failure description information, After the mobile terminal retransmits the first data to the base station, the mobile terminal receives the second response message sent by the base station, that is, the time interval between the first response message and the second response message is 8 ⁇ .
  • the success description information in the first response message and the second response message may be The mobile terminal receives the ACK sent by the base station through the PHICH channel, and the corresponding failure description information is NACK.
  • the mobile terminal After the first data is sent by the mobile terminal to the base station, the first response message returned by the base station at the first moment is received by the mobile terminal, where the first response message includes a success message indicating that the first data has been correctly received.
  • the mobile terminal receives a second response message sent by the base station when the preset time interval after the first time arrives, and the second response message includes the success description information, and implements
  • the mobile terminal receives the success description information of the base station for the data twice, thereby improving the correct rate of the successful description information of the mobile terminal, and further improving the accuracy of the key process signaling in the interaction process.
  • FIG. 3 is a flowchart of a third embodiment of a fault tolerant method for transmitting PHICH channel information according to the present invention.
  • the method shown in FIG. 1 and FIG. 2 respectively illustrates a fault tolerance method for PHICH channel transmission information provided by the present invention from a base station side and a mobile terminal side
  • FIG. 3 is a schematic diagram of an interaction process between a base station and a mobile terminal.
  • the method in this embodiment may include:
  • Step 301 A base station (eNode B) sends an uplink resource assignment signaling (UL Grant) to a mobile terminal (UE).
  • eNode B sends an uplink resource assignment signaling (UL Grant) to a mobile terminal (UE).
  • UL Grant uplink resource assignment signaling
  • the UL Grant carries location information and modulation methods for transmitting uplink data.
  • Step 302 The UE sends data at a specific time according to the received information of the UL Grant, where the specific time is 4 TTI times after the UL Grant is sent by the eNode B.
  • Step 303 The eNode successfully receives data sent by the UE, and then uses the PHICH channel to
  • the UE feeds back an ACK.
  • Step 303 requires two preconditions, that is, (1) no new data is scheduled when the eNode B sends an ACK to the UE; (2) the ACK sent by the eNode B is not the last retransmission feedback of the UE to the UE. ACK.
  • the UE sends the new data to the base station at the 4TTI time according to the protocol, and the ACK sent by the eNode B to the UE at the 8TTI time. It is considered by the UE to be the feedback information for the new data. Therefore, the precondition (1) is set here to ensure that the ACK sent by the eNode B to the UE at the 8TTI time is to retransmit the data when the UE is likely to demodulate the error.
  • the eNode B feeds back an ACK for the last retransmission, thus The UE is caused to demodulate the ACK, and the UE cannot resend the data to the eNode B, so the precondition (2) is set here.
  • Step 304 The UE demodulates the PHICH information sent by the eNode B.
  • the UE demodulates the ACK into a NACK the UE resends the data to the eNode B at the four TTI times after the eNode B receives the ACK.
  • step 303 Under the two preconditions in step 303, after the end of step 303, the eNode B in the prior art considers that the feedback of all the received data is completed, and then the UE demodulates the error in step 304, and then re-sends to the eNode B. The data is sent, the eNode B does not send feedback information to the data, and the implementation performs step 305 after step 304.
  • Step 305 In step 303, the eNode B sends an ACK to the UE for 8 TTIs, and the eNode B sends an ACK for the retransmitted data in step 304 to the UE through the PHICH channel, so that the UE re-demodulates the ACK. .
  • the eNode B sends two ACKs to the UE for the same data to improve the UE demodulation success rate.
  • the eNode B successfully receives the data sent by the UE, and feeds back the ACK to the UE.
  • the UE may demodulate the ACK fed back by the eNode B into a NACK.
  • the UE re-transmits the UE through 8 TTIs when the ACK is sent to the UE by the eNode B.
  • the ACK for the previous data is sent, so that the UE demodulation success rate is improved, and the correctness of the key process signaling is ensured.
  • the method of the present embodiment is particularly applicable to a scenario in which PHICH accuracy is required, such as access, handover, and the like.
  • Embodiment 4 is a flowchart of Embodiment 4 of a fault tolerant method for transmitting PHICH channel information according to the present invention.
  • This embodiment uses the technical solution of the third embodiment to apply the solution to a user access scenario.
  • the embodiment is as shown in FIG. Methods can include:
  • Step 401 The eNode B sends a UL Grant to the UE.
  • Step 402 The UE sends an RRC Connection Request (MSG3) to the eNode B.
  • Step 403 After the eNode B receives the information correctly, the ACK is fed back through the PHICH.
  • MSG3 RRC Connection Request
  • Step 405 After the ACK is fed back to the UE through the PHICH for the first time, the eNode B sends an ACK to the UE again after 8 TTIs.
  • the UE receives the MSG3 feedback sent by the eNode B for it, ACK, demodulate the ACK into a NACK, if the UE considers that the eNode B does not receive the MSG3, it will resend the MSG3, and the eNode B sends an RRC Connection Setu (MSG4) to the UE after the ACK is fed back to the UE. If the eNode B does not receive the MSG3, the UE does not process the MSG4, and the MSG3 is not sent. The user access fails. In this embodiment, the eNode B passes the PHICH to the UE for the first time.
  • MSG4 RRC Connection Setu
  • the TTI sends an ACK to the UE again, so that even if the UE demodulates the ACK into a NACK for the first time, the probability of correcting the second demodulation is greatly increased, thereby improving the success rate of the access procedure and ensuring key process signaling. Correctness and reduced message delay during access.
  • the base station in this embodiment may include: a first sending module 51 and a second sending module 52, where the first sending The module 51 is configured to: when the base station correctly receives the first data sent by the mobile terminal, return a first response message to the mobile terminal at the first moment, where the first response message includes, to indicate that the first a success description information of the data; the first data is not the data sent by the last HARQ retransmission of the mobile terminal; the base station does not schedule the new data of the mobile terminal at the first moment, and the second sending module 52 And sending, by the base station, a second response message to the mobile terminal when the preset time interval after the first time arrives, where the second response message includes the success description information.
  • the preset time interval is 8 TTI.
  • the base station of this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 1.
  • the implementation principle and technical effects are similar, and details are not described herein again.
  • FIG. 6 is a schematic structural diagram of a second embodiment of a fault tolerant device for transmitting PHICH channel information according to the present invention.
  • the mobile terminal in this embodiment may include: a first receiving module 61 and a second receiving module 62, where The receiving module 61 is configured to: after the mobile terminal sends the first data to the base station, receive a first response message that is returned by the base station at the first moment, where the first response message includes, to indicate that the first data is correctly received.
  • the first data is not the data sent by the last HARQ retransmission of the mobile terminal; the base station does not schedule the new data of the mobile terminal at the first moment, and the second receiving module 62 is used by the The mobile terminal receives the second response message sent by the base station when the preset time interval of the mobile terminal arrives, and the second response message includes the success description information. Its The preset time interval is 8 TTI.
  • the mobile terminal may further include a retransmission module 63, configured to: if the mobile terminal incorrectly parses the success description information into failure description information, a preset time interval after the first moment Retransmitting the first data to the base station; or if the mobile terminal successfully parses the success description information, not to the base station within a preset time interval after the first time Send any new data.
  • a retransmission module 63 configured to: if the mobile terminal incorrectly parses the success description information into failure description information, a preset time interval after the first moment Retransmitting the first data to the base station; or if the mobile terminal successfully parses the success description information, not to the base station within a preset time interval after the first time Send any new data.
  • the mobile terminal of this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 2, and the implementation principle and the technical effect are similar, and details are not described herein again.
  • FIG. 7 is a schematic structural diagram of Embodiment 1 of a base station device according to the present invention.
  • the base station device 70 provided in this embodiment includes a processor 701 and a memory 702.
  • Base station device 70 may also include a transmitter 703 and a receiver 704.
  • Transmitter 703 and receiver 704 can be coupled to processor 701.
  • the transmitter 703 is configured to transmit data or information
  • the receiver 704 is configured to receive data or information
  • the memory 702 stores execution instructions, when the base station device 70 is in operation
  • the processor 701 communicates with the memory 702, and the processor 701 calls the memory.
  • the execution instruction in the 702 is used to perform the technical solution of the method embodiment shown in FIG. 1 , and the implementation principle and the technical effect are similar, and details are not described herein again.
  • FIG. 8 is a schematic structural diagram of Embodiment 1 of a mobile terminal device according to the present invention.
  • the mobile terminal device 80 provided in this embodiment includes a processor 801 and a memory 802.
  • the mobile terminal device 80 may further include a transmitter 803 and a receiver 804.
  • Transmitter 803 and receiver 804 can be coupled to processor 801.
  • the transmitter 803 is configured to transmit data or information
  • the receiver 804 is configured to receive data or information
  • the memory 802 stores execution instructions.
  • the processor 801 communicates with the memory 802, and the processor 801 calls
  • the execution instructions in the memory 802 are used to perform the technical solution of the method embodiment shown in FIG. 2, and the implementation principle and technical effects are similar, and details are not described herein again.
  • the disclosed apparatus and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interface, indirect coupling or communication of the device or unit. It can be electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as the unit may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. . Some or all of the units may be selected according to actual needs to achieve the objectives of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
  • the above-described integrated unit implemented in the form of a software functional unit can be stored in a computer readable storage medium.
  • the software functional unit is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to perform the method of various embodiments of the present invention. Part of the steps.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne des modes de réalisation d'un procédé de tolérance aux anomalies et d'un dispositif pour informations de transmission de canal PHICH. Le procédé de tolérance aux anomalies pour informations de transmission de canal PHICH de la présente invention comprend : si une station de base reçoit correctement des premières données envoyées par un terminal mobile, la station de base renvoie à un premier moment au terminal mobile un premier message de réponse, le premier message de réponse comprenant des informations de description de réussite indiquant que les premières données sont reçues correctement; les premières données ne sont pas les données envoyées par le terminal mobile dans la dernière retransmission HARQ; la station de base ne planifie pas de nouvelles données du terminal mobile au premier moment; et lorsqu'un intervalle de temps prédéfini est écoulé depuis le premier moment, la station de base envoie à la station mobile un second message de réponse, le second message de réponse comprenant les informations de description de réussite. La précision du signalement de processus clé peut être garantie.
PCT/CN2013/090547 2013-12-26 2013-12-26 Procédé de tolérance aux anomalies et dispositif pour informations de transmission de canal phich Ceased WO2015096089A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201380003518.4A CN103918210A (zh) 2013-12-26 2013-12-26 Phich信道传输信息的容错方法和装置
PCT/CN2013/090547 WO2015096089A1 (fr) 2013-12-26 2013-12-26 Procédé de tolérance aux anomalies et dispositif pour informations de transmission de canal phich

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CN102395187A (zh) * 2011-11-01 2012-03-28 新邮通信设备有限公司 物理混合重传指示信道的功率配置方法
CN103297939A (zh) * 2012-02-29 2013-09-11 Nec比葛露 推送装置、移动终端和推送系统

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WO2018028539A1 (fr) * 2016-08-12 2018-02-15 中兴通讯股份有限公司 Procédé de retransmission de liaison montante, station de base, ue, et système
CN108337072A (zh) * 2017-12-26 2018-07-27 上海华为技术有限公司 一种上行数据调度方法以及相关设备

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