WO2019157672A1 - Procédé et appareil de réception d'informations de commande, procédé et appareil de transmission d'informations de commande et système de communication - Google Patents

Procédé et appareil de réception d'informations de commande, procédé et appareil de transmission d'informations de commande et système de communication Download PDF

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Publication number
WO2019157672A1
WO2019157672A1 PCT/CN2018/076766 CN2018076766W WO2019157672A1 WO 2019157672 A1 WO2019157672 A1 WO 2019157672A1 CN 2018076766 W CN2018076766 W CN 2018076766W WO 2019157672 A1 WO2019157672 A1 WO 2019157672A1
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Prior art keywords
samples
control information
response signal
equal
terminal device
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PCT/CN2018/076766
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English (en)
Chinese (zh)
Inventor
张磊
张健
张国玉
杨现俊
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富士通株式会社
张磊
张健
张国玉
杨现俊
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Application filed by 富士通株式会社, 张磊, 张健, 张国玉, 杨现俊 filed Critical 富士通株式会社
Priority to PCT/CN2018/076766 priority Critical patent/WO2019157672A1/fr
Publication of WO2019157672A1 publication Critical patent/WO2019157672A1/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/04—Error control

Definitions

  • the embodiments of the present invention relate to the field of communications technologies, and in particular, to a method, an apparatus, and a communication system for receiving and transmitting control information.
  • the fifth generation (5G) communication system In order to adapt to such a trend, future mobile communication networks need to have the ability to provide more flexible and more diverse services to meet the needs of different terminal devices and different services.
  • the fifth generation (5G) communication system in addition to the traditional enhanced mobile broadband (eMBB), the fifth generation (5G) communication system also supports massive machine type communication (mMTC) services and ultra high reliability.
  • mMTC massive machine type communication
  • URLLC Low-Reliable and Low Latency Communications
  • physical layer transmissions can be configured using higher layer signaling to support more flexible physical layer transmission schemes, such as configuring physical layer transmission parameters or transmission modes. How to reduce the configuration information transmission error and avoid the physical layer transmission error caused by the network device and the terminal device's understanding of the inconsistency of the old configuration or the new configuration is an urgent problem to be solved.
  • the new URLLC service may require 99.999% transmission reliability within 1ms. Therefore, in the future mobile communication system, how to reduce the configuration information transmission error and avoid the physical layer transmission error caused by the network device and the terminal device's understanding of the inconsistency of the old configuration or the new configuration is an urgent problem to be solved.
  • the embodiments of the present invention provide a method, a device, and a communication system for receiving and transmitting control information, and are expected to improve the transmission reliability of the transmission configuration itself, and/or reduce or prevent the network device and the terminal device from adopting the old configuration or the new configuration. Inconsistent understanding.
  • a method for receiving control information including:
  • the terminal device receives the control information sent by the network device; the control information is used to indicate that the terminal device performs the receiving or sending of the sample of the data, and the control information is further used to indicate that the response signal corresponding to the data includes at least two samples.
  • a device for receiving control information includes:
  • An information receiving unit which receives control information sent by the network device; the control information is used to instruct the terminal device to perform receiving or sending of samples of data, and the control information is further configured to indicate that the response signal corresponding to the data includes at least two Samples.
  • a method for transmitting control information including:
  • the network device sends the control information to the terminal device, where the control information is used to indicate that the terminal device performs the receiving or sending of the sample of the data, and the control information is further used to indicate that the response signal corresponding to the data includes at least two samples. .
  • a device for transmitting control information includes:
  • An information sending unit that sends control information to the terminal device; the control information is used to instruct the terminal device to perform receiving or sending of samples of data, and the control information is further configured to indicate that the response signal corresponding to the data includes at least Two samples.
  • a communication system including:
  • a terminal device including the receiving device of the control information as described above;
  • a network device comprising a transmitting device for controlling information as described above.
  • the beneficial information of the embodiment of the present invention is that: the control information sent by the network device is used to indicate that the terminal device performs the receiving or sending of the sample of the data, and the control information is further used to indicate that the response signal corresponding to the data includes at least two samples. .
  • the transmission reliability of the transmission configuration itself can be improved, and errors in subsequent data transmission can be reduced or avoided.
  • FIG. 1 is a schematic diagram of a communication system according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of a method for receiving control information according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a method for transmitting and receiving configuration information according to an embodiment of the present invention.
  • FIG. 4 is another schematic diagram of a method for transmitting and receiving configuration information according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a method for transmitting control information according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of a device for receiving control information according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a device for transmitting control information according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a network device according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of a terminal device according to an embodiment of the present invention.
  • the terms “first”, “second”, etc. are used to distinguish different elements from the title, but do not indicate the spatial arrangement or chronological order of the elements, and these elements should not be used by these terms. Limited.
  • the term “and/or” includes any and all combinations of one or more of the associated listed terms.
  • the terms “comprising,” “comprising,” “having,” or “an” are used to distinguish different elements from the title, but do not indicate the spatial arrangement or chronological order of the elements, and these elements should not be used by these terms. Limited.
  • the term “and/or” includes any and all combinations of one or more of the associated listed terms.
  • the term “communications network”, “wireless communication network” or “mobile communication network” may refer to any communication network conforms to the following criteria, for example, the fifth generation (5G, 5 th generation) communication systems, new radio (NR, New Radio) system, Long Term Evolution (LTE), Enhanced Long Term Evolution (LTE-A, LTE-Advanced), Wideband Code Division Multiple Access (WCDMA), High Speed Message access (HSPA, High-Speed Packet Access) and so on.
  • 5G fifth generation
  • NR New Radio
  • LTE Long Term Evolution
  • LTE-A Enhanced Long Term Evolution
  • WCDMA Wideband Code Division Multiple Access
  • High Speed Message access High-Speed Packet Access
  • the communication between the devices in the communication system may be performed according to any phase of the communication protocol, and may include, for example but not limited to, the following communication protocols: 1G (generation), 2G, 2.5G, 2.75G, 3G, 4G, 4.5G, and 5G. Etc., and/or other communication protocols currently known or to be developed in the future.
  • the term "network device” refers to, for example, a device in a communication system that accesses a terminal device to a communication network and provides a service for the terminal device.
  • the network device may include, but is not limited to, a device: a base station (BS, a base station), an access point (AP, an Access Point), a transmission and reception point (TRP), a broadcast transmitter, and a mobility management entity (MME, Mobile). Management Entity), gateway, server, Radio Network Controller (RNC), Base Station Controller (BSC), and so on.
  • BS base station
  • AP access point
  • TRP transmission and reception point
  • MME mobility management entity
  • Management Entity gateway
  • server Radio Network Controller
  • BSC Base Station Controller
  • the base station may include, but is not limited to, a Node B (NodeB or NB), an evolved Node B (eNodeB or eNB), and a 5G base station (gNB), and the like, and may further include a Remote Radio Head (RRH). , Remote Radio Unit (RRU), relay or low power node (eg femeto, pico, etc.).
  • RRH Remote Radio Head
  • RRU Remote Radio Unit
  • base station may include some or all of their functions, and each base station may provide communication coverage for a particular geographic area.
  • the term "cell” can refer to a base station and/or its coverage area, depending on the context in which the term is used.
  • the term “user equipment” refers to, for example, a device that accesses a communication network through a network device and receives a network service.
  • the terminal device may be fixed or mobile, and may also be referred to as a mobile station (MS, Mobile Station), a terminal, a subscriber station (SS, Subscriber Station), an access terminal (AT, Access Terminal), a station, and the like.
  • the terminal device may include but is not limited to the following devices: a cellular phone (Cellular Phone), a personal digital assistant (PDA, Personal Digital Assistant), a wireless modem, a wireless communication device, a handheld device, a machine type communication device, a laptop computer, Cordless phones, smart phones, smart watches, digital cameras, and more.
  • a cellular phone Cellular Phone
  • PDA Personal Digital Assistant
  • wireless modem Wireless Fidelity
  • a wireless communication device a handheld device
  • a machine type communication device a laptop computer
  • Cordless phones smart phones, smart watches, digital cameras, and more.
  • the terminal device may also be a machine or device that performs monitoring, measurement, production, and control, and may include, but is not limited to, machine type communication (MTC, Machine). Type Communication) terminal, vehicle communication terminal, drone type communication terminal, device to device (D2D, Device to Device) terminal, machine to machine (M2M, Machine to Machine) terminal, and the like.
  • MTC machine type communication
  • vehicle communication terminal drone type communication terminal
  • D2D Device to Device
  • M2M Machine to Machine
  • one terminal device may be a combination of two or more types of terminals in the above terminal types.
  • network side or “network device side” refers to one side of the network, which may be a certain base station, and may also include one or more network devices as above.
  • terminal side or “terminal device side” refers to a side of a user or a terminal, which may be a certain UE, or may include one or more terminal devices as above.
  • FIG. 1 is a schematic diagram of a communication system according to an embodiment of the present invention.
  • the terminal device and the network device are exemplarily illustrated.
  • the communication system 100 may include a network device 101 and a terminal device 102.
  • FIG. 1 is only described by taking one terminal device and one network device as an example, but the embodiment of the present invention is not limited thereto.
  • an existing service or a service that can be implemented in the future can be performed between the network device 101 and the terminal device 102.
  • these services may include, but are not limited to, enhanced mobile broadband (eMBB), massive machine type communication (mMTC), and high reliability low latency communication (URLLC, Ultra-Reliable and Low). -Latency Communication), and so on.
  • the receiving device for controlling information according to the present invention may be a terminal device, and the transmitting device for controlling the information may be a network device, but the present invention is not limited thereto.
  • the URLLC service has extremely high requirements for transmission reliability and transmission delay. For example, it may be required to start from the buffer of the layer 2/layer 3 of the data packet to the sending device, until the data packet is correctly demodulated and stored in the layer 2/layer 3 buffer of the receiving device, and the transmission delay cannot exceed 1 ms. . At the same time, the transmission needs to meet the correct rate of 99.999%, that is, only one transmission failure (timeout or transmission error) can occur for every 100,000 packets transmitted.
  • the network device may send configuration information for setting physical layer transmission related parameters and/or modes to the terminal device before the physical layer transmission; and enable or activate the URLLC physical layer transmission.
  • the network device may also send reconfiguration information to the terminal device, and the reconfiguration information may be used to change/replace, increase or decrease physical layer transmission related parameters and/or modes, and the like.
  • An error occurs in the configuration or reconfiguration information of the physical layer transmission, which may cause an error in the physical layer transmission of the URLLC packet itself, thereby threatening the transmission reliability of the URLLC data.
  • the network device and the terminal device may have inconsistent understanding of adopting a new configuration or an old configuration in the time domain unit. Due to this inconsistency, the URLLC packets transmitted in the time domain unit will have a large probability of error and the retransmission of the physical layer cannot reduce the probability of such errors, because physical layer retransmission can be overcome by channel changes.
  • An error caused by unreliable transmission which is caused by a mismatch between the sending and receiving methods themselves.
  • the reliability of the response signal (ACK/NACK) corresponding to the physical data channel carrying the high layer signaling is a weak link in the entire transmission process.
  • the network device sends configuration information to the terminal device, the terminal device fails to correctly receive the data channel and feeds back the NACK signal to the network device, but the NACK signal is incorrectly decoded into an ACK on the network device side.
  • the terminal device waits for the retransmission of the data channel while continuing to use the old configuration, and the network device assumes that the terminal device successfully receives the data channel and correctly interprets the high layer signaling carried therein, and then after the appointed time The configuration is changed to a new configuration. So far, after the appointment time, the network device and the terminal device have different understandings of the physical layer transmission configuration.
  • FIG. 2 is a schematic diagram of a method for receiving control information according to an embodiment of the present invention, showing a situation on the terminal device side. As shown in Figure 2, the method includes:
  • Step 202 The terminal device receives the control information sent by the network device, where the control information is used to indicate that the terminal device performs the receiving or sending of the sample of the data, where the control information is further used to indicate that the response signal corresponding to the data includes At least two samples.
  • the response signal corresponding to the data may be a response signal for indicating that the data reception is correct and/or incorrect.
  • an acknowledgment (ACK) signal can be used to confirm that the data is received correctly
  • NACK non-acknowledgement
  • the downlink control information or the uplink control information which may be a downlink data channel or an uplink data channel, may be used for carrying the response signal that the indication data is received correctly and/or incorrectly.
  • the response signal corresponding to the data may be used only to confirm that the reception of the data is completed or the transmission is completed.
  • the object sent and received by the terminal device is not necessarily a network device, but may also be other terminal devices.
  • the embodiment of the present invention is described by taking the communication between the terminal device and the network device as an example, but is not limited thereto.
  • control information is used to indicate that the terminal device performs transmission of data samples
  • the response signal with the data response may be downlink control information, where the downlink control information may be the same as the data by scheduling.
  • the new data of the HARQ process number is used to indicate that the data transmission of the terminal device is completed, or to indicate that the data of the terminal device is completely transmitted at the physical layer.
  • the network device may reach a consistent understanding of the success or failure of the transmission by the terminal device by using a pre-configured or pre-agreed method to “complete the transmission of the data at the physical layer this time”. This indicates that the transmission of the data is correct or incorrect by indicating the completion of the transmission.
  • the network device may reach a consistent understanding of the operations performed by the terminal device after the “transmission of the data at the physical layer” is completed by the pre-configured or pre-agreed method.
  • the terminal device knows the operations that need to be performed after the “data is transmitted at the physical layer this time”, for example, clearing the uplink memory or the like.
  • the response signal corresponding to the data comprises at least two samples, for example, the response signal corresponding to the data comprises M samples, wherein M is a positive integer and M is greater than or equal to 2.
  • the sample of the data is P, wherein P is a positive integer, P is greater than or equal to 1, and P is less than M. In one example, P is 1 and M is greater than or equal to 2.
  • the data channel transmits only one sample, and the response signal transmitted with it responds with M samples, in order to improve the transmission reliability of the response signal.
  • M is an odd number.
  • the receiving device of the response signal can determine the majority of the M sample detection results as the final detection result.
  • M is an odd number to avoid the case where the number of samples of the two results is equal, thereby increasing the reliability of the detection.
  • M is greater than or equal to 3
  • P is greater than or equal to 1
  • P is less than M.
  • the receiving device of the response signal when the control information indicates that the terminal device receives the data, the receiving device of the response signal may be a network device.
  • the receiving device of the response signal when the control information indicates that the terminal device transmits data, the receiving device of the response signal may be the terminal device; the present invention is not limited thereto.
  • the data is a bearer object of the physical layer data channel, and may be data of a higer layer, or may be high-level control signaling and/or control information.
  • the present invention is directed to solving the reliability of the terminal device and the network device for correctly transmitting the data, and/or whether the data is transmitted consistently and correctly.
  • the present invention is applicable to a scenario in which the terminal device and the network device have the correct and consistent understanding of whether the data is correctly transmitted and/or whether the data is transmitted or not, which helps ensure the reliability of subsequent data transmission. Or, to help ensure the reliability of other subsequent control processes.
  • the gist of the present invention is different from the prior art which is solely dedicated to enhancing the reliability of data transmission.
  • existing enhanced coverage NBIoT transmission technology In order to enhance the coverage of 20 dB, the NBIoT technology simultaneously enhances the reliability of the control channel for scheduling the data channel, the data channel carrying the data, and the control information for carrying the corresponding information with the data channel response.
  • One method in the NBIoT technology is that all of the above three channels are transmitted over multiple repetitions in the time domain, overcoming transmission failures caused by 20 dB of signal attenuation by simple energy accumulation.
  • the reliability of the data may be ensured by an existing physical layer retransmission or a radio link layer retransmission mechanism, or by other transmission methods, and the present invention does not This is limited.
  • the problem solved by the present invention is that the response signal corresponding to the data is a physical layer response signal, usually one transmission.
  • the "one-time transmission" means, for example, that there is no response signal for the response signal, and there is no retransmission mechanism for the response signal.
  • M samples of the response signal corresponding to the physical layer data channel are transmitted to ensure the network device and the terminal.
  • the device has a correct and consistent understanding of the response signal, thereby achieving one of the objects of the present invention, namely, highly reliable implementation of whether the terminal device and the network device correctly transmit the data, and/or the data Whether the transmission is complete and consistent.
  • the sample of the data refers, for example, to a sample of a physical layer transport block in which the data resides.
  • the sample of the transport block refers to the transport block after being processed, for example, after dividing the coded block and or channel coding, according to the indication of the control information or according to a pre-agreed in a soft memory (for example, called Some encoded bits read in Soft buffer).
  • the encoded bit is read in the soft memory, and the starting position of the reading can be indicated by the control information, or can be agreed in advance.
  • the number of coded bits included in a sample is related to the size of the time-frequency resource carrying the sample and/or the constellation modulation used by the sample, the multi-antenna transmission mode, and the like.
  • the coded bits contained in one sample and the other may be the same or different.
  • the response signal corresponding to the data includes at least two samples, wherein the at least two samples may be obtained by at least one of the following methods:
  • the response signal is repeated at least twice, and then the signal after the repeated signal is subjected to channel coding and/or sequence mapping to obtain a signal including at least two samples;
  • the response signal is a signal generated after channel coding and/or sequence mapping, and the generated signal is repeated at least once, and the generated signal corresponds to one sample, and one sample is repeated at a time, thereby obtaining at least one sample.
  • the response signal is a signal including at least two samples generated after channel coding, and at least one of the at least two samples includes a channel coded bit and a channel included in another sample. Different coding bits;
  • the at least two samples are mapped to the sequence generated by the response signal, the sequence of the response signal mapping differs in at least one of the at least two samples from another sequence, or
  • the sth element of at least one sequence is different from the sth element of another sequence, the element index of the sequence is from 1 to S, and S and S are positive integers, and s ranges from 1 to S.
  • the elements may be different in value or different in phase and/or amplitude of the elements.
  • control information is further configured to indicate that the response signal corresponding to the data includes at least two samples.
  • control information can be indicated in an implicit manner.
  • the control information passes through a format of its control information, or a control resource set (CORSET, control resource set) in which the control information is located, or a search space in which the control information is located.
  • CORSET control resource set
  • search space in which the control information is located.
  • location of the monitor information in the time domain or the like of the control information indicates that the response signal corresponding to the data includes at least two samples.
  • control information may also indicate, in an explicit manner, that the response signal corresponding to the data includes at least two samples.
  • the control information includes first indication information, and the first indication information may be used to indicate a number of samples (ie, a value of M) included in the response signal corresponding to the data.
  • the first indication information may be used to indicate that at least two samples are included, and the value of M is indicated to the terminal device by using other control information or control signaling, or the value of M is a communication standard specification. .
  • the response signal corresponding to the data is sent in a first mode (for example, a normal mode).
  • the first indication information indicates that the number of samples is greater than or equal to 2
  • the corresponding response signal of the data is sent in a second mode (for example, a multi-sample mode), or the corresponding response signal of the data includes at least two sample.
  • control information of the first format is used to indicate that the response signal corresponding to the data includes one sample (or two samples), and the control information of the second format is used to indicate that the response signal corresponding to the data includes At least two samples (or at least three samples).
  • first format control includes first indication information
  • control information of the second format does not include first indication information. The terminal device determines, according to the format of the control information (and/or the first indication information), the number of samples included in the response signal corresponding to the data.
  • the control information detected by the terminal device in the first CORESET (and/or search space) indicates that the response signal corresponding to the data includes one sample (or two samples), and the terminal device is The control information detected in the second CORESET (and/or search space) indicates that the response signal corresponding to the data contains one sample (or two samples).
  • the first format control includes first indication information
  • the control information of the second format does not include first indication information. The terminal device determines, according to the CORESET (and/or the search space, and/or the first indication information) of the control information, the number of samples included in the response signal corresponding to the data.
  • control information includes indication information indicating the value of M, but does not include indication information for indicating the number of samples of the data.
  • the sample of the data is one (or, the data is sent without repeating), and the response signal of the data response contains at least two samples (or, the response signal is sent in a duplicate manner) And the sample of the response signal is indicated by the control information.
  • the sending/receiving manner of the M-samples corresponding to the data response may be configured by the network device for the terminal device, or may be agreed by the communication standard specification, or may be preset in the network device and/or the terminal device.
  • the method of transmitting/receiving the M-samples with the data response is configured by the network device for the terminal device. As shown in FIG. 2, the method of the embodiment of the present invention may further include:
  • Step 201 The terminal device receives the high layer signaling sent by the network device, where the high layer signaling is used to indicate at least one of the following information: the number of the at least two samples, and the at least two samples The mode of transmission, the manner in which the at least two samples are received.
  • the high layer signaling may be Radio Resource Control (RRC) signaling (or information), or Media Access Control (MAC) signaling (or information).
  • RRC Radio Resource Control
  • MAC Media Access Control
  • the sending or receiving manner of the at least two samples may be one of the following manners, or a combination of two or more of the following manners:
  • the M samples of the response signal are transmitted in N time domain units; wherein M and N are positive integers and M is greater than or equal to N.
  • the time domain unit may be a frame, a subframe, a time slot, or a time domain symbol.
  • the high layer signaling may be used to configure the position of the N time domain units on the time axis, or the distribution pattern of the N time domain units on the time axis.
  • the position or distribution pattern on the time axis may be indicated by a bitmap, or the position or pattern may be agreed in advance and numbered, and the specific position or pattern may be indicated by the index.
  • M samples of the response signal are transmitted on N time domain units.
  • the positions of the N time domain units on the time axis may be continuous or discontinuous, or a part of them may be continuous while another part is discontinuous.
  • additional gain can be obtained, thereby improving the quality of the received signal or increasing the probability that the received signal is correctly received.
  • the M samples of the response signal are transmitted in M frequency domain resources in one time domain unit.
  • the high-level signal may be used to configure a location of the M frequency-domain resources in the frequency domain, or a distribution pattern of the M frequency-domain resources.
  • the position or distribution pattern in the frequency domain may be indicated by a bitmap form, or the position or pattern may be agreed in advance and numbered, and the specific position or pattern may be indicated by the index.
  • M frequency domain resources on the same time domain unit transmit M samples of the response signal.
  • M frequency domain resources may be continuous or discontinuous in the frequency domain.
  • the frequency gain of the M samples transmitted in the M frequency domain resources is used to obtain additional gain, thereby improving the quality of the received signal or the probability of being correctly received.
  • the M samples of the response signal are transmitted in M time-frequency resources, and at least two of the M time-frequency resources are located in different time domain units.
  • the high layer signaling may be used to configure the location of the M time-frequency resources, or the distribution pattern of the M time-frequency resources.
  • the position or distribution pattern may be indicated by a form of a bitmap, or a position or a pattern may be agreed in advance and numbered, and a specific position or pattern may be indicated by an index.
  • M samples of the response signal are transmitted at M time-frequency resources, wherein at least two time-frequency resources are located in different time domain units.
  • the extra gain is obtained by using the time domain diversity and the frequency domain diversity of the M samples transmitted in the M time-frequency resources, thereby improving the quality of the received signal or the probability of being correctly received.
  • the M samples of the response signal are transmitted on N carriers or a Bandwidth Part (BWP); wherein N is a positive integer and M is greater than or equal to N.
  • BWP Bandwidth Part
  • the high layer signaling may be used to indicate N carriers/BWPs, which may be indicated by an index of a carrier/BWP or a center frequency point or the like. Further optionally, the high layer signaling may further indicate at least one of a format, a mode, and a time-frequency resource location adopted by the response signal on the N carriers/BWPs.
  • M samples of one ACK/NACK signal are transmitted on N carriers/BWP.
  • the frequency diversity gain of the N carriers/BWP and the repetition gain between the plurality of links can be obtained, thereby improving the quality of the received signal or the probability of being correctly received.
  • the M samples of the response signal are transmitted on N transmit beams; wherein N is a positive integer and M is greater than or equal to N.
  • the high layer signaling may be used to indicate an index or an equivalent direction of the N transmit beams, or the high layer signaling is used to indicate to the terminal device in the configured N greater than or equal to N transmit beams. N.
  • M samples of the response signal are transmitted using N transmit beams (beams, or may also be referred to as lobes) to obtain spatial diversity gains, thereby increasing the quality of the received signal or the probability of being correctly received.
  • N transmit beams beams, or may also be referred to as lobes
  • the M samples of the response signal are transmitted on N antennas; wherein N is a positive integer and M is greater than or equal to N.
  • the antenna may be an actual physical antenna or an equivalent antenna port.
  • the high layer signaling may be used to indicate an index or a port of the antenna, or the high layer signaling is used to indicate to the terminal device in an actual antenna (or a configured antenna port) greater than or equal to N N.
  • M samples of the response signal are transmitted using N antennas, wherein at least one of the samples uses a number of transmit antennas less than N.
  • the spatial diversity gain is obtained, thereby improving the quality of the received signal or the probability of being correctly received.
  • At least one of the M samples of the response signal is sent in a Physical Uplink Control Channel (PUCCH), and at least another sample is in a Physical Uplink Shared Channel (PUSCH). send.
  • PUCCH Physical Uplink Control Channel
  • PUSCH Physical Uplink Shared Channel
  • the high layer signaling may be used to configure at least one of: transmitting on the PUSCH; time-frequency resources where the PUCCH is located; format of the PUCCH, and the like.
  • the transmission signal of at least one of the M samples of the response signal is a modulation symbol
  • the transmission signal of at least another sample is a sequence signal
  • the high layer signaling may be used to configure at least one of: a modulation order of modulation symbols; a constellation of modulation symbols; a sequence set, and the like.
  • At least two of the M samples of the response signal are modulated differently.
  • the high layer signaling may be used to configure at least one of: a modulation order of modulation symbols; a constellation of modulation symbols, and the like.
  • M is greater than or equal to N
  • M is greater than or equal to 2 (or greater than or equal to 3)
  • N may be greater than or equal to 1.
  • M can also be a positive integer and an odd number
  • M is greater than or equal to 2 (or greater than or equal to 3).
  • the high layer signaling may also be used to configure the value of M.
  • the terminal device may be a sending device of the response signal, and the high-level signaling indicates a sending mode to the terminal device; the terminal device may further be a receiving device of the response signal, where the high-layer signaling indicates to the terminal device Receiving method.
  • the method of transmitting/receiving the M samples corresponding to the response signal corresponding to the data may be stipulated by the communication standard specification or preset in the network device and/or the terminal device.
  • the foregoing sending/receiving manner indicated by the high layer signaling to the terminal device is agreed by the communication standard specification or preset in the network device and/or the terminal device.
  • some may be configured by higher layer signaling, and another part is agreed by the communication standard specification or preset in the network device and/or the terminal device. .
  • the receiving device receiving the response signal may perform a merge processing on the received M samples, and may obtain a merge processing gain.
  • the receiving device can also process the M samples separately by receiving the response signal, and the result is more as the final result. For example, M is equal to 3, and if 2 ACKs and 1 NACK are interpreted, it can be determined as ACK; the following can be avoided: when one of the samples is extremely poor in reliability, the merge processing may be lowered. The reliability of other good quality received signals, which in turn affects the combined results.
  • the above two processing methods can be respectively applied to different transmission environments. For example, in an indoor environment, a low-frequency (below 6 GHz) deployment, or a low-speed mobile transmission environment, the probability that a certain sample experiences extreme spread is very small, and the merge processing is relatively It will get better results when processed separately. For another example, in an outdoor environment, when moving at a high speed or when deployed in a frequency band greater than 6 GHz, the probability of one of the M samples experiencing the poor propagation is greater than in the former case, and then a separate treatment may achieve better results.
  • a low-frequency (below 6 GHz) deployment or a low-speed mobile transmission environment
  • the probability that a certain sample experiences extreme spread is very small, and the merge processing is relatively It will get better results when processed separately.
  • the probability of one of the M samples experiencing the poor propagation is greater than in the former case, and then a separate treatment may achieve better results.
  • the signal-to-noise ratio of signal propagation is high; in outdoor environments, the signal-to-noise ratio is low, and individual samples are prone to experience extremely poor propagation environments.
  • the channel experienced by the signal changes slowly, and the channel quality is stable.
  • the channel experienced by the channel changes rapidly, and the probability of deep fading is too large, and individual samples are prone to experience extremely poor.
  • Spread the environment Low-frequency deployment below 6 GHz, the carrier frequency is low, and the signal quality is stable compared to the deployment above 6 GHz.
  • the high-frequency deployment above 6 GHz is more prone to signal blockage and the probability of sudden signal interruption.
  • Low frequency deployments above 6 GHz so individual samples are prone to very poor propagation conditions.
  • the network device indicates, by using the control information, that the terminal device performs data transmission, and the data may include an indication that the terminal device sends to the network device to indicate completion of RRC configuration/reconfiguration/setting/establishment/reconstruction, etc.
  • the message, or including the MAC response/signaling sent by the terminal device, etc., the MAC response/signaling is used to confirm the correct reception of a signal to the receiving device (eg, the network device or other terminal device), or to receive
  • the device transmits information (such as memory status information, terminal device ID, etc.) and the like.
  • the network device indicates, by using the control information, that the terminal device performs data reception, and the data may include a message that is sent by the network device to the terminal device, such as RRC configuration/reconfiguration/setting/establishment/reconstruction, or includes the network device sending the information to the terminal device.
  • the related information of the at least two samples may be preset in the terminal device; the related information of the at least two samples may include at least one of: at least two samples a method of transmitting the at least two samples, a manner of receiving the at least two samples; but the invention is not limited thereto.
  • FIG. 3 is a schematic diagram of a method for transmitting and receiving information according to an embodiment of the present invention; an exemplary description is made from a network device side and a terminal device side. As shown in FIG. 3, the method may include:
  • Step 301 The terminal device receives the control information sent by the network device, where the control information is used to indicate that the terminal device performs the receiving of the sample of the data, where the control information is further used to indicate that the response signal corresponding to the data includes at least two Samples.
  • the data may be data including at least an RRC configuration message.
  • Step 302 The terminal device receives the data sent by the network device.
  • the data includes at least high layer signaling.
  • the high layer signaling includes at least configuration information related to the terminal device receiving or transmitting a physical layer signal, or the high layer signaling is used at least for the network device to configure the terminal device to send or receive a physical signal.
  • the invention is not limited thereto.
  • the high layer signaling may be an RRC configuration or a reconfiguration message
  • the network device may configure a parameter or a mode related to the physical layer transmission by using signaling such as “RRCConnectionSetup”, “RRCConnectionResume”, “RRCConnectionReconfiguration”, “RRCConnectionReestablishment” or the like;
  • signaling such as “RRCConnectionSetup”, “RRCConnectionResume”, “RRCConnectionReconfiguration”, “RRCConnectionReestablishment” or the like;
  • the invention is not limited thereto.
  • the method may further include:
  • Step 303 The terminal device sends the response signal (for example, ACK/NACK) including at least two samples to the network device.
  • the response signal for example, ACK/NACK
  • the response signal of step 303 can be used to confirm whether the reception of the high layer signaling of step 302 is correct.
  • FIG. 4 is another schematic diagram of an information sending and receiving method according to an embodiment of the present invention; an exemplary description is made from a network device side and a terminal device side. As shown in FIG. 4, the method may include:
  • Step 401 The terminal device receives the control information sent by the network device, where the control information is used to indicate that the terminal device performs the sending of the sample of the data, and the control information is further used to indicate that the response signal corresponding to the data includes at least two Samples.
  • the data may be data including at least an RRC configuration complete message.
  • Step 402 The terminal device sends the data to the network device.
  • the data includes at least a configuration completion message.
  • the configuration completion message is used to indicate to the network device that the setting of the configuration information is completed.
  • the network device may configure physical layer transmission related parameters or modes through signaling such as "RRCConnectionSetup”, “RRCConnectionResume”, “RRCConnectionReconfiguration”, “RRCConnectionReestablishment”, etc.; however, the present invention is not limited thereto.
  • the configuration completion message related to the physical layer transmission of the RRC configuration signaling bearer may be confirmed by the configuration completion message (for example, the RRC reconfiguration complete message) in step 402.
  • the method may further include:
  • Step 403 The network device sends the response signal (for example, physical layer downlink control information) that includes at least two samples to the terminal device.
  • the response signal for example, physical layer downlink control information
  • the physical layer downlink control information of step 403 can be used to confirm whether the receiving of the configuration completion message in step 402 is correct, or can be used to confirm whether the sending of the configuration completion message in step 402 is completed or whether the receiving is completed.
  • the invention is not limited thereto.
  • FIGS. 3 and 4 only schematically illustrate the embodiment of the present invention, but the present invention is not limited thereto.
  • the order of execution between the various steps can be appropriately adjusted, and other steps can be added or some of the steps can be reduced.
  • Those skilled in the art can appropriately adapt according to the above, and are not limited to the descriptions of FIGS. 3 and 4 described above.
  • RRC signaling including sample information is not shown in FIG. 3 or 4.
  • step 303 and step 403 are exemplified by RRC signaling, but the present invention is not limited thereto; the response signals in step 303 and step 403 can also be used for sending and receiving other data/information, for example, MAC The information is confirmed.
  • the response signal in step 303 or step 403 the foregoing has been exemplified, and details are not described herein again.
  • the control information sent by the network device is used to indicate that the terminal device performs the receiving or sending of the sample of the data, and the control information is further used to indicate that the response signal corresponding to the data includes at least two samples.
  • the embodiment of the present invention provides a method for transmitting control information, and the same content as that of Embodiment 1 is not described herein.
  • FIG. 5 is a schematic diagram of a method for transmitting control information according to an embodiment of the present invention, showing a situation on the network device side. As shown in FIG. 5, the method includes:
  • Step 502 The network device sends control information to the terminal device, where the control information is used to indicate that the terminal device performs the receiving or sending of the sample of the data, where the control information is further used to indicate that the response signal corresponding to the data includes at least Two samples.
  • control information includes indication information indicating that the response signal corresponding to the data has M samples, where M is a positive integer, and M is greater than or equal to 2.
  • M can be greater than or equal to 3; for another example, M can be an odd number.
  • the method may further include:
  • Step 501 The network device sends high layer signaling to the terminal device.
  • the high layer signaling is used to indicate a manner of sending or receiving at least two samples. For example, at least one of the following information may be included: the number of at least two samples, the manner in which at least two samples are transmitted, and the manner in which at least two samples are received.
  • step 501 is optional, that is, the embodiment of the present invention may also be implemented without step 201.
  • FIG. 5 only schematically illustrates the embodiment of the present invention, but the present invention is not limited thereto.
  • the order of execution between the various steps can be appropriately adjusted, and other steps can be added or some of the steps can be reduced.
  • Those skilled in the art can appropriately adapt to the above contents, and are not limited to the above description of FIG.
  • the control information sent by the network device is used to indicate that the terminal device performs the receiving or sending of the sample of the data, and the control information is further used to indicate that the response signal corresponding to the data includes at least two samples.
  • Embodiments of the present invention provide a receiving apparatus for control information.
  • the device may be, for example, a terminal device or a component or component of the terminal device.
  • the same contents of the third embodiment and the first embodiment will not be described again.
  • FIG. 6 is a schematic diagram of an information receiving apparatus according to an embodiment of the present invention. As shown in FIG. 6, the receiving apparatus 600 for controlling information includes:
  • the information receiving unit 601 receives the control information sent by the network device, where the control information is used to indicate that the terminal device performs the receiving or sending of the sample of the data, and the control information is further used to indicate that the response signal corresponding to the data includes at least Two samples.
  • control information includes indication information indicating that the response signal corresponding to the data has M samples, where M is a positive integer, and M is greater than or equal to 2.
  • M can be greater than or equal to 3; for another example, M can be an odd number.
  • the receiving device 600 for controlling information may further include:
  • the signaling receiving unit 602 receives the high layer signaling sent by the network device, where the high layer signaling is used to indicate a manner of sending or receiving at least two samples. For example, at least one of the following information may be included: the number of at least two samples, the manner in which at least two samples are transmitted, and the manner in which at least two samples are received.
  • the receiving device 600 for controlling information may further include other components or modules, and for the specific content of these components or modules, reference may be made to related art.
  • connection relationship or signal direction between the various components or modules is exemplarily shown in FIG. 6, but it should be clear to those skilled in the art that various related technologies such as bus connection can be employed.
  • the above various components or modules may be implemented by hardware facilities such as a processor, a memory, a transmitter, a receiver, etc.; the implementation of the present invention is not limited thereto.
  • the control information sent by the network device is used to indicate that the terminal device performs the receiving or sending of the sample of the data, and the control information is further used to indicate that the response signal corresponding to the data includes at least two samples.
  • Embodiments of the present invention provide a device for transmitting control information.
  • the device may be, for example, a network device or some or some of the components or components of the network device.
  • the same contents of the fourth embodiment and the second embodiment will not be described again.
  • FIG. 7 is a schematic diagram of a device for transmitting control information according to an embodiment of the present invention. As shown in FIG. 7, the device 700 for transmitting control information includes:
  • the information sending unit 701 sends control information to the terminal device, where the control information is used to instruct the terminal device to perform receiving or sending of samples of data, and the control information is further used to indicate that the response signal corresponding to the data includes At least two samples.
  • control information includes indication information indicating that the response signal corresponding to the data has M samples, where M is a positive integer.
  • the sending device 700 for controlling information may further include:
  • the signaling sending unit 702 sends high layer signaling to the terminal device; the high layer signaling is used to indicate a sending or receiving manner of at least two samples. For example, at least one of the following information may be included: the number of at least two samples, the manner in which at least two samples are transmitted, and the manner in which at least two samples are received.
  • the transmitting device 700 for controlling information may further include other components or modules, and for the specific content of these components or modules, reference may be made to related art.
  • connection relationship or signal direction between the various components or modules is exemplarily shown in FIG. 7, but it should be clear to those skilled in the art that various related technologies such as bus connection can be employed.
  • the above various components or modules may be implemented by hardware facilities such as a processor, a memory, a transmitter, a receiver, etc.; the implementation of the present invention is not limited thereto.
  • the control information sent by the network device is used to indicate that the terminal device performs the receiving or sending of the sample of the data, and the control information is further used to indicate that the response signal corresponding to the data includes at least two samples.
  • the embodiment of the present invention further provides a communication system.
  • the communication system 100 can include: a network device 101 and a terminal device 102.
  • the network device 101 can be configured with the transmitting device 700 of the control information as described in Embodiment 4, and the terminal device 102 is configured with the receiving device 600 of the control information as described in Embodiment 3.
  • the embodiment of the present invention further provides a network device, which may be, for example, a base station, but the present invention is not limited thereto, and may be other network devices.
  • a network device which may be, for example, a base station, but the present invention is not limited thereto, and may be other network devices.
  • FIG. 8 is a schematic structural diagram of a network device according to an embodiment of the present invention.
  • network device 800 can include a processor 810 (eg, a central processing unit CPU) and memory 820; and memory 820 is coupled to processor 810.
  • the memory 820 can store various data; in addition, a program 830 for information processing is stored, and the program 830 is executed under the control of the processor 810.
  • the processor 810 can be configured to execute the program 830 to implement the method of transmitting control information as described in embodiment 2; for example, the processor 810 can be configured to perform control of transmitting control information to the terminal device; The information is used to indicate that the terminal device performs reception or transmission of samples of data, and the control information is further configured to indicate that the response signal corresponding to the data includes at least two samples.
  • the network device 800 may further include: a transceiver 840, an antenna 850, and the like; wherein the functions of the foregoing components are similar to the prior art, and details are not described herein again. It should be noted that the network device 800 does not have to include all the components shown in FIG. 8; in addition, the network device 800 may also include components not shown in FIG. 8, and reference may be made to the prior art.
  • the embodiment of the present invention further provides a terminal device, but the present invention is not limited thereto, and may be other devices.
  • FIG. 9 is a schematic diagram of a terminal device according to an embodiment of the present invention.
  • the terminal device 900 can include a processor 910 and a memory 920; the memory 920 stores data and programs and is coupled to the processor 910.
  • the figure is exemplary; other types of structures may be used in addition to or in place of the structure to implement telecommunications functions or other functions.
  • the processor 910 may be configured to execute a program to implement the method of receiving control information as described in Embodiment 1; for example, the processor 910 may be configured to perform control of receiving control information transmitted by the network device; the control The information is used to indicate that the terminal device performs reception or transmission of samples of data, and the control information is further configured to indicate that the response signal corresponding to the data includes at least two samples.
  • the terminal device 900 may further include: a communication module 930, an input unit 940, a display 950, and a power supply 960.
  • the functions of the above components are similar to those of the prior art, and are not described herein again. It should be noted that the terminal device 900 does not have to include all the components shown in FIG. 9, and the above components are not necessary; in addition, the terminal device 900 may further include components not shown in FIG. There are technologies.
  • the embodiment of the present invention further provides a computer readable program, wherein when the program is executed in a network device, the program causes the network device to execute the method for transmitting control information described in Embodiment 2.
  • the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes the network device to execute the method for transmitting control information described in Embodiment 2.
  • the embodiment of the present invention further provides a computer readable program, wherein the program causes the terminal device to perform the method of receiving the control information described in Embodiment 1 when the program is executed in the terminal device.
  • the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes the terminal device to perform the method of receiving the control information described in Embodiment 1.
  • the above apparatus and method of the present invention may be implemented by hardware or by hardware in combination with software.
  • the present invention relates to a computer readable program that, when executed by a logic component, enables the logic component to implement the apparatus or components described above, or to cause the logic component to implement the various methods described above Or steps.
  • the present invention also relates to a storage medium for storing the above program, such as a hard disk, a magnetic disk, an optical disk, a DVD, a flash memory, or the like.
  • the method/apparatus described in connection with the embodiments of the invention may be embodied directly in hardware, a software module executed by a processor, or a combination of both.
  • one or more of the functional blocks shown in the figures and/or one or more combinations of the functional blocks may correspond to the various software modules of the computer program flow or to the various hardware modules.
  • These software modules may correspond to the respective steps shown in the figures.
  • These hardware modules can be implemented, for example, by curing these software modules using a Field Programmable Gate Array (FPGA).
  • FPGA Field Programmable Gate Array
  • the software module can reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, removable disk, CD-ROM, or any other form of storage medium known in the art.
  • a storage medium can be coupled to the processor to enable the processor to read information from, and write information to, the storage medium; or the storage medium can be an integral part of the processor.
  • the processor and the storage medium can be located in an ASIC.
  • the software module can be stored in the memory of the mobile terminal or in a memory card that can be inserted into the mobile terminal.
  • the software module can be stored in the MEGA-SIM card or a large-capacity flash memory device.
  • One or more of the functional blocks described in the figures and/or one or more combinations of functional blocks may be implemented as a general purpose processor, digital signal processor (DSP) for performing the functions described herein.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • One or more of the functional blocks described with respect to the figures and/or one or more combinations of functional blocks may also be implemented as a combination of computing devices, eg, a combination of a DSP and a microprocessor, multiple microprocessors One or more microprocessors in conjunction with DSP communication or any other such configuration.
  • Attachment 1 a method for receiving control information, comprising:
  • the terminal device receives the control information sent by the network device, where the control information is used to indicate that the terminal device performs the receiving or sending of the sample of the data, and the control information is further used to indicate that the response signal corresponding to the data includes at least two sample.
  • control information includes indication information indicating that the response signal corresponding to the data has M samples, M is a positive integer and greater than or equal to 2, or M is greater than or equal to 3.
  • the terminal device receives the high layer signaling sent by the network device, where the high layer signaling is used to indicate at least one of the following information: a number of the at least two samples, and a sending manner of the at least two samples, The manner in which the at least two samples are received.
  • the related information of the at least two samples comprises at least one of: a number of the at least two samples, a manner of transmitting the at least two samples, The manner in which the at least two samples are received.
  • control information implicitly indicates that the response signal corresponding to the data comprises at least two samples.
  • control information is indicated by at least one of: a format of the control information, a control resource set in which the control information is located, and where the control information is located
  • the search space the location of the monitoring information in the time domain.
  • control information explicitly indicates that the response signal corresponding to the data comprises at least two samples.
  • control information includes first indication information.
  • the terminal device is indicated by other control information or control signaling, or the value of M is agreed by the communication standard specification.
  • the first indication information indicates a number of samples included in a response signal corresponding to the data.
  • Supplementary note 25 a method for transmitting control information, comprising:
  • the network device sends the control information to the terminal device, where the control information is used to indicate that the terminal device performs the receiving or sending of the sample of the data, and the control information is further used to indicate that the response signal corresponding to the data includes at least two samples. .
  • control information comprises indication information indicating that the response signal corresponding to the data has M samples, wherein M is a positive integer and greater than or equal to 2.
  • the network device sends the high layer signaling to the terminal device; the high layer signaling is used to indicate at least one of the following information: the number of the at least two samples, the sending manner of the at least two samples, The manner in which at least two samples are received.

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

Abstract

L'invention concerne un procédé et un appareil de réception d'informations de commande, un procédé et un appareil de transmission d'informations, et un système de communication. Le procédé comprend les étapes suivantes : un dispositif de réseau envoie des informations de commande à un dispositif terminal, les informations de commande étant utilisées pour ordonner au dispositif terminal de recevoir ou de transmettre un échantillon de données, et les informations de commande étant également utilisées pour indiquer qu'un signal de réponse correspondant aux données comprend au moins deux échantillons. Ainsi, la fiabilité de transmission d'une configuration de transmission elle-même peut être améliorée, et des erreurs dans la transmission de données subséquentes provoquées par une erreur dans la transmission d'informations de configuration peuvent être réduites ou évitées.
PCT/CN2018/076766 2018-02-13 2018-02-13 Procédé et appareil de réception d'informations de commande, procédé et appareil de transmission d'informations de commande et système de communication WO2019157672A1 (fr)

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Citations (2)

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Publication number Priority date Publication date Assignee Title
CN102106170A (zh) * 2008-06-23 2011-06-22 株式会社Ntt都科摩 移动通信系统、通信装置以及通信方法
CN102224700A (zh) * 2008-11-04 2011-10-19 北电网络有限公司 通过无线设备提供确认信息

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CN102106170A (zh) * 2008-06-23 2011-06-22 株式会社Ntt都科摩 移动通信系统、通信装置以及通信方法
CN102224700A (zh) * 2008-11-04 2011-10-19 北电网络有限公司 通过无线设备提供确认信息

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