WO2018028128A1 - Procédé pour renvoyer des informations de données de liaison montante et appareil associé - Google Patents

Procédé pour renvoyer des informations de données de liaison montante et appareil associé Download PDF

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Publication number
WO2018028128A1
WO2018028128A1 PCT/CN2016/113408 CN2016113408W WO2018028128A1 WO 2018028128 A1 WO2018028128 A1 WO 2018028128A1 CN 2016113408 W CN2016113408 W CN 2016113408W WO 2018028128 A1 WO2018028128 A1 WO 2018028128A1
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WIPO (PCT)
Prior art keywords
data packet
uplink data
feedback indication
indication information
ack
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Application number
PCT/CN2016/113408
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English (en)
Chinese (zh)
Inventor
朱亚军
李明菊
张云飞
Original Assignee
宇龙计算机通信科技(深圳)有限公司
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Publication of WO2018028128A1 publication Critical patent/WO2018028128A1/fr

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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
    • 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
    • H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
    • H04L1/1678—Details of the supervisory signal the supervisory signal being transmitted together with control information where the control information is for timing, e.g. time stamps
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to an information feedback method for uplink data and related devices.
  • the fifth generation of mobile communication technology needs to support ultra-high data transmission rates, massive number of connections and low data transmission delays to meet the needs of different scenarios.
  • the main scenarios of 5G mobile communication in the future include the following three types: enhanced mobile broadband (eMBB), Massive Machine Type Communications (mMTC) and high-reliability low-latency communication (Ultra-Reliable and Low). Latency Communications, URLLC).
  • eMBB enhanced mobile broadband
  • mMTC Massive Machine Type Communications
  • URLLC Latency Communications
  • the eMBB service is mainly for a service scenario that requires a higher data rate
  • the mMTC service is mainly for a large number of connected service scenarios
  • the URLLC service is mainly for a service scenario with a delay requirement and a high reliability.
  • the delay of the data packet for the user plane needs to be in the millisecond (ms) level, so it is required to support transmission with less effort.
  • HARQ Hybrid Automatic Repeat ReQuest
  • the base station After receiving the data packet, the base station performs ACK/NACK (acknowledgement/non-acknowledgement) feedback at a predetermined subframe position.
  • ACK/NACK acknowledgement/non-acknowledgement
  • the terminal transmits an uplink packet on the nth subframe, and the base station will perform feedback of the ACK/NACK information on the n+4th subframe. Therefore, there is a 4 ms delay in the data transmission and the corresponding feedback time in the HARQ mechanism of the conventional LTE downlink transmission.
  • the design of this delay is mainly to simplify the traditional terminal design and consider the terminal processing capability. However, this design cannot be applied to some scenarios in the 5G that require high latency, such as URLLC.
  • the invention provides an information feedback method and related device for uplink data, so as to effectively reduce the delay between the uplink data transmission and the corresponding information feedback, and improve the reliability and stability of the uplink data transmission.
  • An information feedback method for uplink data including:
  • response feedback indication information corresponding to the uplink data packet, where the response feedback indication information is used to indicate a time-frequency location of the ACK/NACK information feedback for the uplink data packet;
  • ACK/NACK information for the uplink data packet is fed back at the determined time-frequency location.
  • the generating the response feedback indication information corresponding to the uplink data packet includes:
  • the system information, the radio resource control signaling, the medium access control signaling, or the physical layer signaling carries the response feedback indication information corresponding to the uplink data packet.
  • the generating the response feedback indication information corresponding to the uplink data packet includes:
  • the uplink scheduling instruction is used to notify the terminal to receive ACK/NACK information for the uplink data packet at a corresponding time-frequency location.
  • the generating the response feedback indication information corresponding to the uplink data packet includes:
  • the terminal is notified by the scrambling sequence of the uplink scheduling instruction to receive ACK/NACK information for the uplink data packet at a corresponding time-frequency location.
  • the ACK/NACK information for the uplink data packet is fed back to the determined time-frequency location, including:
  • ACK/NACK information for the uplink data packet is fed back at at least one time-frequency location within the restricted set of time-frequency resources.
  • the response feedback indication information corresponding to the uplink data packet is generated, the response feedback indication information corresponding to the uplink data packet of different terminals is different.
  • An information feedback method for uplink data including:
  • response feedback indication information corresponding to the uplink data packet, where the response feedback indication information is used to indicate a time-frequency location of the ACK/NACK information feedback for the uplink data packet;
  • the obtaining the response feedback indication information corresponding to the uplink data packet includes:
  • the system information, the radio resource control signaling, the medium access control signaling, or the physical layer signaling carries the response feedback indication information corresponding to the uplink data packet.
  • the obtaining the response feedback indication information corresponding to the uplink data packet includes:
  • the uplink scheduling instruction carries the response feedback indication information corresponding to the uplink data packet;
  • the obtaining the response feedback indication information corresponding to the uplink data packet according to the uplink scheduling instruction includes:
  • Parsing the content of the uplink scheduling instruction the content of the uplink scheduling instruction carries the response feedback indication information corresponding to the uplink data packet;
  • the obtaining the response feedback indication information corresponding to the uplink data packet according to the uplink scheduling instruction includes:
  • the scrambling sequence of the uplink scheduling instruction carries the response feedback indication information corresponding to the uplink data packet;
  • ACK/NACK information for the uplink data packet, including:
  • the ACK/NACK information for the uplink data packet is received at at least one time-frequency location within the restricted set of time-frequency resources.
  • the response feedback indication information corresponding to the uplink data packet of different terminals is different.
  • a base station comprising:
  • a feedback indication generating unit configured to generate response feedback indication information corresponding to the uplink data packet, where the response feedback indication information is used to indicate a time-frequency location of the ACK/NACK information feedback for the uplink data packet;
  • a feedback location determining unit configured to determine a time-frequency location of the ACK/NACK information feedback for the uplink data packet according to the response feedback indication information
  • the response information feedback unit is configured to feed back ACK/NACK information for the uplink data packet at the determined time-frequency location.
  • the feedback indication generating unit is specifically configured to:
  • the system information, the radio resource control signaling, the medium access control signaling, or the physical layer signaling carries the response feedback indication information corresponding to the uplink data packet.
  • the base station further includes:
  • the scheduling instruction generating unit is configured to generate an uplink scheduling instruction for the uplink data packet, where the uplink scheduling instruction carries the response feedback indication information corresponding to the uplink data packet;
  • the feedback indication generating unit is further configured to notify the terminal to receive ACK/NACK information for the uplink data packet at a corresponding time-frequency location by using the uplink scheduling instruction.
  • the base station further includes:
  • the scheduling instruction generating unit is configured to generate an uplink scheduling instruction for the uplink data packet and a scrambling sequence of the uplink scheduling instruction, where the scrambling sequence of the uplink scheduling instruction carries the response feedback indication information corresponding to the uplink data packet;
  • the feedback indication generating unit is further configured to notify the terminal to receive ACK/NACK information for the uplink data packet at a corresponding time-frequency location by using a scrambling sequence of the uplink scheduling instruction.
  • the response information feedback unit is specifically configured as:
  • ACK/NACK information for the uplink data packet is fed back at at least one time-frequency location within the restricted set of time-frequency resources.
  • the response feedback indication information corresponding to the uplink data packet is generated, the response feedback indication information corresponding to the uplink data packet of different terminals is different.
  • a terminal comprising:
  • the feedback indication obtaining unit is configured to obtain the response feedback indication information corresponding to the uplink data packet, where the response feedback indication information is used to indicate a time-frequency location of the ACK/NACK information feedback for the uplink data packet;
  • a feedback location determining unit configured to determine a time-frequency location of the ACK/NACK information feedback for the uplink data packet according to the response feedback indication information
  • the response information receiving unit is configured to receive ACK/NACK information for the uplink data packet according to the determined time-frequency position.
  • the feedback indication acquiring unit is specifically configured as:
  • the system information, the radio resource control signaling, the medium access control signaling, or the physical layer signaling carries the response feedback indication information corresponding to the uplink data packet.
  • the feedback indication acquiring unit is specifically configured as:
  • the uplink scheduling instruction carries the response feedback indication information corresponding to the uplink data packet;
  • the terminal further includes:
  • the scheduling instruction parsing unit is configured to parse the content of the uplink scheduling instruction, and the content of the uplink scheduling instruction carries the response feedback indication information corresponding to the uplink data packet;
  • the feedback indication acquiring unit is further configured to acquire the response feedback indication information corresponding to the uplink data packet from the content of the uplink scheduling instruction.
  • the terminal further includes:
  • the scheduling instruction parsing unit is configured to parse the scrambling sequence of the uplink scheduling instruction; the scrambling sequence of the uplink scheduling instruction carries the response feedback indication information corresponding to the uplink data packet;
  • the feedback indication acquiring unit is further configured to acquire the response feedback indication information corresponding to the uplink data packet according to the scrambling sequence of the uplink scheduling instruction.
  • the response information receiving unit is specifically configured to:
  • the ACK/NACK information for the uplink data packet is received at at least one time-frequency location within the restricted set of time-frequency resources.
  • the response feedback indication information corresponding to the downlink data packet of different terminals is different.
  • the information feedback method of the uplink data by setting the response feedback indication information corresponding to the uplink data packet, to indicate that the base station feeds back ACK/NACK information for the uplink data packet at a time-frequency position corresponding to the response feedback indication information. And instructing the terminal to receive ACK/NACK information for the uplink data packet at a corresponding time-frequency location.
  • the response feedback indication information may be preset according to the delay control requirement or sent to the terminal by the base station, so that a smaller ACK/NACK information feedback delay can be implemented, and the uplink data transmission and the corresponding ACK/NACK information are effectively reduced. The delay between feedbacks improves the reliability and stability of uplink data transmission.
  • FIG. 1 is a first schematic flowchart of an information feedback method for uplink data according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a data transmission structure of an information feedback method for uplink data according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a first application scenario of an information feedback method for uplink data according to an embodiment of the present disclosure
  • FIG. 4 is a schematic diagram of a second application scenario of an information feedback method for uplink data according to an embodiment of the present disclosure
  • FIG. 5 is a second schematic flowchart of an information feedback method for uplink data according to an embodiment of the present disclosure
  • FIG. 6 is a schematic diagram of a first structure of a terminal according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic diagram of a second structure of a terminal according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic diagram of a first structure of a base station according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic diagram of a second structure of a base station according to an embodiment of the present invention.
  • the term “if” can be interpreted as “when” or “once” or “in response to determining” or “in response to detecting” depending on the context. .
  • the phrase “if determined” or “if detected [condition or event described]” may be interpreted in context to mean “once determined” or “in response to determining” or “once detected [condition or event described] ] or “in response to detecting [conditions or events described]”.
  • the terminal described in the embodiments of the present invention includes, but is not limited to, other portable devices such as a mobile phone, a laptop computer or a tablet computer having a touch sensitive surface (eg, a touch screen display and/or a touch pad). It should also be understood that in some embodiments, the device is not a portable communication device, but a desktop computer having a touch sensitive surface (eg, a touch screen display and/or a touch pad).
  • the terminal including a display and a touch sensitive surface is described.
  • the terminal can include one or more other physical user interface devices such as a physical keyboard, mouse, and/or joystick.
  • Various applications that can be executed on the terminal can use at least one common physical user interface device such as a touch sensitive surface.
  • One or more functions of the touch sensitive surface and corresponding information displayed on the terminal can be adjusted and/or changed within the application and/or within the respective application.
  • the common physical architecture of the terminal eg, a touch-sensitive surface
  • an information feedback method for uplink data including:
  • Step 101 Generate response feedback indication information corresponding to the uplink data packet, where the response feedback indication information is used to indicate a time-frequency location of the ACK/NACK information feedback for the uplink data packet.
  • Step 102 Determine, according to the response feedback indication information, a time-frequency location of ACK/NACK information feedback for the uplink data packet.
  • Step 103 Feed back ACK/NACK information for the uplink data packet at the determined time-frequency location.
  • the time-frequency position of the ACK/NACK information feedback for the uplink data packet may be the location of one downlink subframe, or may be the smallest physical medium that a data packet can map within the limited time-frequency resource. Resource block.
  • the smallest physical resource block that a data packet can map is defined as a minimum transmission unit, and the limited time is defined as a transmission interval. It can be understood that, within one transmission interval, a plurality of the minimum transmission units may be included, and each of the minimum transmission units may be used for transmission of uplink or downlink data. If there is a minimum transmission unit for uplink transmission and downlink transmission in the same transmission interval, a minimum transmission unit needs to be set as a guard interval to implement conversion of uplink transmission and downlink transmission.
  • the method proposed in the embodiment of the present invention is explained by taking six minimum transmission units in one transmission interval as an example, and the transmission interval includes three downlink transmissions.
  • the minimum transmission unit 3 minimum transmission units for uplink transmission and 1 minimum transmission unit as guard interval.
  • a transmission interval may contain more or less minimum transmission units, and the number of minimum transmission units used for uplink transmission or downlink transmission may vary.
  • the method proposed in the embodiment of the present invention is equally applicable to the case other than the above examples.
  • the time-frequency location of the uplink data packet transmission may be a minimum transmission unit for uplink transmission in the transmission interval
  • the time-frequency location of the ACK/NACK information feedback for the uplink data packet may be The smallest transmission unit used for downlink transmission within the same transmission interval. Therefore, in the embodiment of the present invention, the response feedback indication information is used to indicate that the base station feeds back ACK/NACK for the uplink data packet on a certain minimum transmission unit after receiving the uplink data packet by the base station. information.
  • the response feedback indication information may be an interval between the transmission of the uplink data packet and a minimum transmission unit that transmits the ACK/NACK information, for example, if the uplink data packet is in a transmission interval of the first
  • the k feedback transmission information may be j.
  • the base station may feed back on the k+j minimum transmission unit. And sending, by the acknowledgment feedback indication information, the ACK/NACK information for the uplink data packet to the terminal by using the ACK/NACK information of the uplink data packet.
  • the generating the response feedback indication information corresponding to the uplink data packet includes:
  • the system information, the radio resource control signaling, the medium access control signaling, or the physical layer signaling carries the response feedback indication information corresponding to the uplink data packet.
  • the feedback time interval of the fixed ACK/NACK information transmission and the uplink data packet transmission may be predefined in the base station side (in this embodiment, the two minimums for transmitting the uplink data packet and for transmitting the ACK/NACK information may be The difference between the number of minimum transmission units between the transmission units or the numbers of the two minimum transmission units is used as the predefined feedback indication information, after the base station receives the uplink data packet on a certain minimum transmission unit, Obtaining the predefined feedback indication information, and feeding back ACK/NACK information for the uplink data packet on a predetermined minimum transmission unit according to the predefined feedback indication information.
  • the base station may further notify the terminal by using the system information, the radio resource control signaling, the medium access control signaling, or the physical layer signaling, so that the terminal is received at the corresponding time-frequency location for the ACK/NACK information of the downlink packet.
  • the feedback time interval notified by the base station may be the same or different. As shown in FIG. 3, if the fixed feedback time interval is defined as two minimum transmission units, and the base station receives uplink data packets on the first, second, and third minimum transmission units, the base station is in the fourth, fifth, respectively. The corresponding ACK/NACK information is fed back on the 6 minimum transmission units.
  • the generating the response feedback indication information corresponding to the uplink data packet includes:
  • the uplink scheduling instruction is used to notify the terminal to receive ACK/NACK information for the uplink data packet at a corresponding time-frequency location.
  • the base station may notify the terminal to receive the time-frequency location of the ACK/NACK information by explicit signaling.
  • the base station may carry the response feedback indication information corresponding to the uplink data packet in the uplink scheduling instruction for the uplink data packet, and further notify the terminal to receive, by using the uplink scheduling instruction, the corresponding time-frequency location for the ACK/NACK information of the uplink packet.
  • the terminal after receiving the uplink scheduling instruction, the terminal obtains the response feedback indication information by parsing the uplink scheduling instruction, and further receives ACK/NACK information at a corresponding location.
  • the generating the response feedback indication information corresponding to the uplink data packet includes:
  • the terminal is notified by the scrambling sequence of the uplink scheduling instruction to receive ACK/NACK information for the uplink data packet at a corresponding time-frequency location.
  • the response feedback indication information corresponding to the uplink data packet may be determined by using different scrambling sequences.
  • the mapping relationship between the scrambling sequence and the ACK/NACK information feedback time-frequency position may be preset in the base station side and the terminal side, and each scrambling sequence correspondingly maps a response feedback indication information, when the terminal receives the location
  • the response feedback indication information is obtained by parsing the scrambling sequence of the uplink scheduling instruction, so that after the terminal sends the uplink data packet, the terminal may respond according to the response feedback indication information.
  • the ACK/NACK information for the uplink data packet is received on the smallest transmission unit.
  • the feeding back ACK/NACK information for the uplink data packet at the determined time-frequency location including:
  • ACK/NACK information for the uplink data packet is fed back at at least one time-frequency location within the restricted set of time-frequency resources.
  • the base station may have multiple time-frequency resource locations (in this embodiment, corresponding to the minimum transmission unit) that can feed back ACK/NACK information, and the base station may select to feed back ACK/NACK information on one of the time-frequency resource locations. It is also possible to choose to feed back ACK/NACK information on multiple time-frequency resource locations. In the case of feeding back ACK/NACK information on multiple time-frequency resource locations, the terminal needs to detect ACK/NACK information on multiple corresponding time-frequency resource locations. As shown in FIG. 4, the ACK/NACK information corresponding to the uplink data packet received by the base station on the first minimum transmission unit can be fed back on the 4th and 5th minimum transmission units; the base station is in the 2nd and 3rd.
  • the ACK/NACK information corresponding to the uplink data packet received on the minimum transmission unit may be fed back on the sixth minimum transmission unit.
  • the terminal needs to detect the ACK/NACK information corresponding to the uplink data packet sent on the first minimum transmission unit on the 4th and 5th minimum transmission units; and detect the second information on the 6th minimum transmission unit.
  • the response feedback indication information corresponding to the uplink data packet when the response feedback indication information corresponding to the uplink data packet is generated, the response feedback indication information corresponding to the uplink data packet of different terminals is different.
  • the execution body of the ACK/NACK information feedback method of the downlink data may be a communication device, for example, a base station.
  • a method for feeding back ACK/NACK information of downlink data includes:
  • Step 501 Acquire acknowledgment feedback indication information corresponding to the uplink data packet, where the acknowledgment feedback indication information is used to indicate a time-frequency location of ACK/NACK information feedback for the uplink data packet.
  • Step 502 Determine, according to the response feedback indication information, a time-frequency location of ACK/NACK information feedback for the uplink data packet.
  • Step 503 Receive ACK/NACK information for the uplink data packet according to the determined time-frequency location.
  • the obtaining the response feedback indication information corresponding to the uplink data packet includes:
  • the system information, the radio resource control signaling, the medium access control signaling, or the physical layer signaling carries the response feedback indication information corresponding to the uplink data packet.
  • the feedback time interval of the fixed ACK/NACK information transmission and the uplink data packet transmission may be predefined in the terminal side (in this embodiment, the two minimums for transmitting the uplink data packet and for transmitting the ACK/NACK information may be
  • the terminal transmits the uplink data packet on a certain minimum transmission unit by using the minimum transmission unit number between the transmission units or the difference between the numbers of the two minimum transmission units.
  • Pre-defined feedback indication information is provided, and ACK/NACK information for the uplink data packet is received on a predetermined minimum transmission unit according to the predefined feedback indication information.
  • the feedback indication information may also be notified by the base station to the terminal by using system information, radio resource control signaling, media access control signaling, or physical layer signaling. It should be noted that, for uplink packets of different terminals, the feedback time interval notified by the base station may be the same or different.
  • the obtaining the response feedback indication information corresponding to the uplink data packet includes:
  • the uplink scheduling instruction carries the response feedback indication information corresponding to the uplink data packet;
  • the obtaining the response feedback indication information corresponding to the uplink data packet according to the uplink scheduling instruction includes:
  • Parsing the content of the uplink scheduling instruction the content of the uplink scheduling instruction carries the response feedback indication information corresponding to the uplink data packet;
  • the base station may notify the terminal to receive the time-frequency location of the ACK/NACK information by explicit signaling.
  • the base station may carry the response feedback indication information corresponding to the uplink data packet in the uplink scheduling instruction for the uplink data packet, and further notify the terminal to receive, by using the uplink scheduling instruction, the corresponding time-frequency location for the ACK/NACK information of the uplink packet.
  • the terminal after receiving the uplink scheduling instruction, the terminal obtains the response feedback indication information by parsing the content of the uplink scheduling instruction, and further receives the ACK/NACK information at a corresponding location.
  • the obtaining the response feedback indication information corresponding to the uplink data packet according to the uplink scheduling instruction includes:
  • the scrambling sequence of the uplink scheduling instruction carries the response feedback indication information corresponding to the uplink data packet;
  • the response feedback indication information corresponding to the uplink data packet may be determined by using different scrambling sequences.
  • the mapping relationship between the scrambling sequence and the ACK/NACK information feedback time-frequency position may be preset in the base station side and the terminal side, and each scrambling sequence correspondingly maps a response feedback indication information, when the terminal receives the location
  • the response feedback indication information is obtained by parsing the scrambling sequence of the uplink scheduling instruction, so that after the terminal sends the uplink data packet, the terminal may respond according to the response feedback indication information.
  • the ACK/NACK information for the uplink data packet is received on the smallest transmission unit.
  • receiving, according to the determined time-frequency location, ACK/NACK information for the uplink data packet including:
  • the ACK/NACK information for the uplink data packet is received at at least one time-frequency location within the restricted set of time-frequency resources.
  • the base station may have multiple time-frequency resource locations (corresponding to the minimum transmission unit in this embodiment) that can feed back ACK/NACK information, and the base station may select to feed back ACK/ at one of the time-frequency resource locations.
  • the NACK information may also be selected to feed back ACK/NACK information on multiple time-frequency resource locations.
  • the terminal needs to detect ACK/NACK information on multiple corresponding time-frequency resource locations.
  • the response feedback indication information corresponding to the uplink data packet of different terminals is different.
  • the execution body of the ACK/NACK information feedback method of the downlink data may be a mobile terminal, for example, a mobile phone.
  • a terminal 60 including:
  • the feedback indication obtaining unit 61 is configured to acquire the response feedback indication information corresponding to the uplink data packet, where the response feedback indication information is used to indicate a time-frequency location of the ACK/NACK information feedback for the uplink data packet;
  • the feedback position determining unit 63 is configured to determine a time-frequency position of the ACK/NACK information feedback for the downlink data packet according to the response feedback indication information;
  • the response information receiving unit 65 is configured to receive ACK/NACK information for the uplink data packet according to the determined time-frequency position.
  • the feedback indication acquiring unit 61 is specifically configured to:
  • the system information, the radio resource control signaling, the medium access control signaling, or the physical layer signaling carries the response feedback indication information corresponding to the uplink data packet.
  • the feedback indication acquiring unit 61 is specifically configured to:
  • the uplink scheduling instruction carries the response feedback indication information corresponding to the uplink data packet;
  • the terminal 60 further includes:
  • the scheduling instruction parsing unit 67 is configured to parse the content of the uplink scheduling instruction, and the content of the uplink scheduling instruction carries the response feedback indication information corresponding to the uplink data packet;
  • the feedback indication obtaining unit 61 is further configured to acquire the response feedback indication information corresponding to the uplink data packet from the content of the uplink scheduling instruction.
  • the scheduling instruction parsing unit 67 is configured to parse the scrambling sequence of the uplink scheduling instruction, and the scrambling sequence of the uplink scheduling instruction carries the response feedback indication information corresponding to the uplink data packet. ;
  • the feedback indication obtaining unit 61 is further configured to acquire the response feedback indication information corresponding to the uplink data packet according to the scrambling sequence of the uplink scheduling instruction.
  • the response information receiving unit 65 is specifically configured to:
  • the ACK/NACK information for the uplink data packet is received at at least one time-frequency location within the restricted set of time-frequency resources.
  • the response feedback indication information corresponding to the downlink data packet of different terminals is different.
  • a terminal 70 for applying the information feedback method of the uplink data is provided.
  • the terminal 70 may be a mobile terminal, such as a mobile phone.
  • the terminal 70 includes at least one processor 71, such as a CPU, at least one communication bus 72, a user interface 73, at least one communication interface 74, and a memory 75.
  • the communication bus 72 is used to implement a communication connection between components of the terminal 70.
  • the user interface 73 can include a touch screen.
  • the user interface 73 can also include a standard wired interface, a wireless interface.
  • the communication interface 74 may include a standard wired interface (such as a data line interface, a network line interface, etc.), a wireless interface (such as a mobile communication interface such as 2G, 3G, 4G, 5G, a WI-FI interface, a Bluetooth interface, a near field communication interface, etc.)
  • the communication interface 74 can be used for data communication with the base station.
  • the memory 75 may be a high speed RAM memory or a non-transitory memory such as at least one disk memory. In one embodiment of the invention, the memory 75 may also be at least one storage device located remotely from the aforementioned processor 71.
  • an operating system, a user interface module, and an information receiving module may be included in the memory 75 as a computer storage medium.
  • the operating system is used to cooperate with the operations of the components of the terminal 70.
  • the user interface module is used to save and maintain user data of the terminal 70.
  • the processor 71 is configured to invoke the information receiving module, and perform the following operations:
  • response feedback indication information corresponding to the uplink data packet, where the response feedback indication information is used to indicate a time-frequency location of the ACK/NACK information feedback for the uplink data packet;
  • the obtaining the response feedback indication information corresponding to the uplink data packet includes:
  • the system information, the radio resource control signaling, the medium access control signaling, or the physical layer signaling carries the response feedback indication information corresponding to the uplink data packet.
  • the obtaining the response feedback indication information corresponding to the uplink data packet includes:
  • the uplink scheduling instruction carries the response feedback indication information corresponding to the uplink data packet;
  • the obtaining the response feedback indication information corresponding to the uplink data packet according to the uplink scheduling instruction includes:
  • Parsing the content of the uplink scheduling instruction the content of the uplink scheduling instruction carries the response feedback indication information corresponding to the uplink data packet;
  • the obtaining the response feedback indication information corresponding to the uplink data packet according to the uplink scheduling instruction includes:
  • the scrambling sequence of the uplink scheduling instruction carries the response feedback indication information corresponding to the uplink data packet;
  • ACK/NACK information for the uplink data packet, including:
  • the ACK/NACK information for the uplink data packet is received at at least one time-frequency location within the restricted set of time-frequency resources.
  • the response feedback indication information corresponding to the uplink data packet of different terminals is different.
  • a base station 80 including:
  • the feedback indication generating unit 81 is configured to generate response feedback indication information corresponding to the uplink data packet, where the response feedback indication information is used to indicate a time-frequency location of the ACK/NACK information feedback for the uplink data packet;
  • the feedback position determining unit 83 is configured to determine a time-frequency position of the ACK/NACK information feedback for the uplink data packet according to the response feedback indication information;
  • the response information feedback unit 85 is configured to feed back ACK/NACK information for the uplink data packet at the determined time-frequency location.
  • the feedback indication generating unit 81 is specifically configured to:
  • the system information, the radio resource control signaling, the medium access control signaling, or the physical layer signaling carries the response feedback indication information corresponding to the uplink data packet.
  • the base station 80 further includes:
  • the scheduling instruction generating unit 87 is configured to generate an uplink scheduling instruction for the uplink data packet, where the uplink scheduling instruction carries the response feedback indication information corresponding to the uplink data packet;
  • the feedback indication generating unit 81 is further configured to notify the terminal to receive ACK/NACK information for the uplink data packet at a corresponding time-frequency location by using the uplink scheduling instruction.
  • the scheduling instruction generating unit 87 is configured to generate an uplink scheduling instruction for an uplink data packet and a scrambling sequence of the uplink scheduling instruction, where the scrambling sequence of the uplink scheduling instruction carries the The response feedback indication information corresponding to the uplink data packet;
  • the feedback indication generating unit 81 is further configured to notify the terminal to receive ACK/NACK information for the uplink data packet at a corresponding time-frequency location by using a scrambling sequence of the uplink scheduling instruction.
  • the response information feedback unit 85 is specifically configured to:
  • ACK/NACK information for the uplink data packet is fed back at at least one time-frequency location within the restricted set of time-frequency resources.
  • the response feedback indication information corresponding to the uplink data packet is generated, the response feedback indication information corresponding to the uplink data packet of the different terminal is different.
  • a base station 90 including at least one processor 91, a memory 93, a communication interface 95, and a bus 97, the at least one processor 91, the memory 93, and the The communication interface 95 is connected through the bus 97 and completes communication with each other; the processor 91 is configured to call executable program code stored in the memory 93 and perform the following operations:
  • response feedback indication information corresponding to the uplink data packet, where the response feedback indication information is used to indicate a time-frequency location of the ACK/NACK information feedback for the uplink data packet;
  • ACK/NACK information for the uplink data packet is fed back at the determined time-frequency location.
  • the generating the response feedback indication information corresponding to the uplink data packet includes:
  • the system information, the radio resource control signaling, the medium access control signaling, or the physical layer signaling carries the response feedback indication information corresponding to the uplink data packet.
  • the generating the response feedback indication information corresponding to the uplink data packet includes:
  • the uplink scheduling instruction is used to notify the terminal to receive ACK/NACK information for the uplink data packet at a corresponding time-frequency location.
  • the generating the response feedback indication information corresponding to the uplink data packet includes:
  • the terminal is notified by the scrambling sequence of the uplink scheduling instruction to receive ACK/NACK information for the uplink data packet at a corresponding time-frequency location.
  • the ACK/NACK information for the uplink data packet is fed back to the determined time-frequency location, including:
  • ACK/NACK information for the uplink data packet is fed back at at least one time-frequency location within the restricted set of time-frequency resources.
  • the response feedback indication information corresponding to the uplink data packet is generated, the response feedback indication information corresponding to the uplink data packet of different terminals is different.
  • the information feedback method of the uplink data by setting the response feedback indication information corresponding to the uplink data packet, to indicate that the base station feeds back ACK/NACK information for the uplink data packet at a time-frequency position corresponding to the response feedback indication information. And instructing the terminal to receive ACK/NACK information for the uplink data packet at a corresponding time-frequency location.
  • the response feedback indication information may be preset according to the delay control requirement or sent to the terminal by the base station, so that a smaller ACK/NACK information feedback delay can be implemented, and the uplink data transmission and the corresponding ACK/NACK information are effectively reduced. The delay between feedbacks improves the reliability and stability of uplink data transmission.
  • the disclosed terminal 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 an indirect coupling or communication connection through some interface, device or unit, or an electrical, mechanical or other form of connection.
  • the units in the terminal in the embodiment of the present invention may be combined, divided, and deleted according to actual needs.
  • the units described as separate components may or may not be physically separated, and the components displayed as units 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 embodiments of the present invention.
  • 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 a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the technical solution of the present invention contributes in essence or to the prior art, or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium.
  • a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • 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. .

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

Abstract

Les modes de réalisation de la présente invention concernent un procédé pour renvoyer des informations de données de liaison montante et comprennent les étapes consistant à : générer des informations d'indication de rétroaction d'accusé de réception correspondant à un paquet de données de liaison montante, les informations d'indication de rétroaction d'accusé de réception étant utilisées pour indiquer un emplacement temps-fréquence pour renvoyer des informations ACK/NACK du paquet de données de liaison montante; déterminer, sur la base des informations d'indication de rétroaction d'accusé de réception, l'emplacement temps-fréquence pour renvoyer les informations ACK/NACK du paquet de données de liaison montante; et renvoyer les informations ACK/NACK du paquet de données de liaison montante à l'emplacement temps-fréquence déterminé. Conformément aux modes de réalisation, la présente invention concerne également une station de base et un terminal. Le procédé pour renvoyer des informations des données de liaison montante peut réduire efficacement le retard de la rétroaction d'informations ACK/NACK des données de liaison montante.
PCT/CN2016/113408 2016-08-11 2016-12-30 Procédé pour renvoyer des informations de données de liaison montante et appareil associé WO2018028128A1 (fr)

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CN201610664990.8A CN106301700A (zh) 2016-08-11 2016-08-11 一种上行数据的信息反馈方法及相关设备

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