WO2018228176A1 - 通信方法、终端设备和网络设备 - Google Patents

通信方法、终端设备和网络设备 Download PDF

Info

Publication number
WO2018228176A1
WO2018228176A1 PCT/CN2018/088815 CN2018088815W WO2018228176A1 WO 2018228176 A1 WO2018228176 A1 WO 2018228176A1 CN 2018088815 W CN2018088815 W CN 2018088815W WO 2018228176 A1 WO2018228176 A1 WO 2018228176A1
Authority
WO
WIPO (PCT)
Prior art keywords
time
frequency resource
terminal device
reference signal
information
Prior art date
Application number
PCT/CN2018/088815
Other languages
English (en)
French (fr)
Inventor
吕永霞
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to JP2019569351A priority Critical patent/JP2020523893A/ja
Priority to EP18816990.8A priority patent/EP3627932A4/en
Publication of WO2018228176A1 publication Critical patent/WO2018228176A1/zh
Priority to US16/711,958 priority patent/US11296855B2/en

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • 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
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
    • H04L5/10—Channels characterised by the type of signal the signals being represented by different frequencies with dynamo-electric generation of carriers; with mechanical filters or demodulators
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1858—Transmission or retransmission of more than one copy of acknowledgement message
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • 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
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority

Definitions

  • the present application relates to the field of communications, and more particularly to communication methods, terminal devices, and network devices.
  • Reference Signal also known as "pilot signal”.
  • LTE Long Term Evolution
  • the terminal device after receiving a reference signal on a time-frequency resource that transmits a reference signal, the terminal device directly uses the reference signal to achieve channel estimation, channel sounding, or data demodulation.
  • a network device transmits data of an enhanced mobile broadband (eMBB) service
  • data of an ultra reliable and low latency communications (URLLC) service needs to be transmitted
  • the network device In order to meet the short transmission delay required for transmitting the URLLC service, the network device transmits the data of the URLLC service on the time-frequency resource that has been allocated data for transmitting the eMBB service. At this time, the data of the URLLC service is highly likely to occupy.
  • the terminal device receives the signal on the time-frequency resource of the transmission reference signal, directly uses the received signal for channel estimation, channel sounding or data demodulation, which reduces channel estimation, channel detection, or data demodulation. reliability.
  • the present application provides a communication method, a terminal device, and a network device, which are beneficial to improving reliability of channel estimation, channel detection, or data demodulation of a terminal device.
  • a communication method comprising:
  • the terminal device receives the first indication information that is sent by the network device, where the first indication information is used to indicate that the first time-frequency resource of the reference signal of the terminal device is transmitted;
  • the time-frequency resource included in the first time-frequency resource and the second time-frequency resource or
  • the interval from the second time-frequency resource is less than a preset first interval, or
  • Time-frequency resources related to the second time-frequency resource are related to the second time-frequency resource.
  • the second terminal time-frequency resource is determined by the terminal device by sending the second indication information to the terminal device, where the third time-frequency resource may be originally used for transmitting the reference signal, but an abnormality occurs.
  • Time-frequency resources so that the terminal device further determines whether to use the signal received by the third time-frequency resource, which avoids the prior art, the terminal device directly uses the signal received on the time-frequency resource of the transmission reference signal as a reference signal, and reduces the channel. Estimation, accuracy of channel sounding or demodulation of derivative data fails.
  • the second indication information is further used to indicate that a signal on the second time-frequency resource is unavailable, and/or
  • the second indication information is further used to indicate a retransmitted coding block or a retransmitted coding block group CBG, where the retransmitted coding block or the retransmitted CBG occupies the second time resource resource in the previous transmission. Time-frequency resources.
  • the reference signal is used by the terminal device to determine channel state information
  • the method further includes:
  • the terminal device When the third time-frequency resource is included in the first time-frequency resource, the terminal device does not send the channel state information to the network device; or
  • the terminal device sends the channel state information and third indication information to the network device, where the third indication information is used to indicate The channel state information is invalid; or
  • the terminal device When the proportion of the third time-frequency resource in the first time-frequency resource reaches or exceeds a first threshold, the terminal device does not send the channel state information to the network device; or
  • the terminal device When the proportion of the third time-frequency resource in the first time-frequency resource reaches or exceeds a first threshold, the terminal device sends the channel state information and the third indication information to the network device, where The third indication information is used to indicate that the channel state information is invalid.
  • the reference signal is used by the terminal device to determine channel state information
  • the method further includes:
  • the terminal device When the proportion of the third time-frequency resource in the first time-frequency resource does not reach or exceed the first threshold, the terminal device sends the channel state information to the network device, where the channel state The information is obtained by using at least a part of the first time-frequency resource other than the third time-frequency resource; or
  • the terminal device sends the channel state information to the network device, where the channel state information is obtained by using at least a part of the first time-frequency resource except the third time-frequency resource.
  • the channel state information is related to a first frequency domain resource, where the first frequency domain resource is less than or equal to a system bandwidth.
  • the reference signal is used by the terminal device to demodulate at least one information block
  • the method further includes:
  • the terminal device When the third time-frequency resource is included in the first time-frequency resource, the terminal device does not use the signal on the third time-frequency resource to demodulate the at least one information block, or does not demodulate the At least one information block; and/or
  • the terminal device When the proportion of the third time-frequency resource in the first time-frequency resource reaches or exceeds a second threshold, the terminal device does not demodulate the at least one information block; and/or
  • the terminal device uses the first time-frequency resource to divide the third time-frequency resource.
  • a signal on at least a portion of the time-frequency resources other than the at least one information block is demodulated.
  • the reference signal includes only the first demodulation reference signal, or the reference signal includes a first demodulation reference signal and a second demodulation reference signal,
  • the first demodulation reference signal is a basic demodulation reference signal for demodulating the at least one information block
  • the second demodulation reference signal is an additional solution for demodulating the at least one information block. Adjust the reference signal.
  • the reference signal is used by the terminal device to demodulate at least one information block, where the reference signal includes a first demodulation reference signal and a second Demodulating a reference signal, wherein the first demodulation reference signal is a base demodulation reference signal for demodulating the at least one information block, and the second demodulation reference signal is for demodulating the at least one An additional demodulation reference signal of the information block, the first demodulation reference signal occupies a first portion of the first time-frequency resource, and the second demodulation reference signal occupies a second portion of the first time-frequency resource;
  • the method further includes:
  • the terminal device When the third time-frequency resource is included in the first part, the terminal device does not use the signal on the third time-frequency resource to demodulate the at least one information block, or does not demodulate the at least one information. Block; and/or
  • the terminal device When the ratio of the third time-frequency resource to the first intersection of the first portion in the first portion reaches or exceeds a third threshold, the terminal device does not demodulate the at least one information block; and / or
  • the terminal device uses the first portion to divide the first Demodulating the at least one information block by at least a portion of the signal on the time-frequency resource other than the intersection;
  • the terminal device When the third time-frequency resource is included in the second part, the terminal device does not use the signal on the third time-frequency resource to demodulate the at least one information block, or does not demodulate the at least one Information block; and/or
  • the terminal device When the ratio of the third time-frequency resource and the second intersection of the second part in the second part reaches or exceeds a fourth threshold, the terminal device does not use the second demodulation reference signal Demodulating the at least one information block; and/or
  • the terminal device uses the second part to divide A signal on at least a portion of the time-frequency resources other than the second intersection demodulates the at least one information block.
  • the reference signal is used to calculate a phase error
  • the method further includes:
  • the terminal device does not use the reference signal to calculate the phase error
  • the terminal device When the proportion of the third time-frequency resource in the first time-frequency resource exceeds a fifth threshold, the terminal device does not use the reference signal to calculate the phase error; or
  • the terminal device calculates the phase error by using the reference signal.
  • At least one of the foregoing first threshold, second threshold, third threshold, fourth threshold, and fifth threshold may be specified by a communication standard protocol Pre-defined or configured by the network device through signaling for the terminal device.
  • the network device may configure the terminal device by using physical layer control signaling, or MAC layer signaling, or RRC layer signaling.
  • a communication method including:
  • the network device sends the first indication information to the terminal device, where the first indication information is used to indicate a first time-frequency resource for transmitting the reference signal of the terminal device;
  • the network device sends the second indication information to the terminal device, where the second indication information is used to indicate the second time-frequency resource, and the second indication information is further used to determine whether the first time-frequency resource is included
  • the third time-frequency resource where the third time-frequency resource is:
  • the time-frequency resource included in the first time-frequency resource and the second time-frequency resource or
  • the interval from the second time-frequency resource is less than a preset first interval, or
  • Time-frequency resources related to the second time-frequency resource are related to the second time-frequency resource.
  • the second terminal time-frequency resource is determined by the terminal device by sending the second indication information to the terminal device, where the third time-frequency resource may be originally used for transmitting the reference signal, but an abnormality occurs.
  • Time-frequency resources so that the terminal device further determines whether to use the signal received by the third time-frequency resource, which avoids the prior art, the terminal device directly uses the signal received on the time-frequency resource of the transmission reference signal as a reference signal, and reduces the channel. Estimation, accuracy of channel sounding or demodulation of derivative data fails.
  • the second indication information is further used to indicate that a signal on the second time-frequency resource is unavailable, and/or,
  • the second indication information is further used to indicate a retransmitted coding block or a retransmitted coding block group CBG, where the retransmitted coding block or the retransmitted CBG occupies the second time resource resource in the previous transmission. Time-frequency resources.
  • the reference signal is used by the terminal device to determine channel state information
  • the method further includes:
  • the network device receives the channel state information and the third indication information that are sent by the terminal device, where the third indication information is used to indicate The channel state information is invalid; or
  • the third indication information is used to indicate that the channel state information is invalid.
  • the reference signal is used by the terminal device to determine channel state information
  • the method further includes:
  • the channel state information is obtained by using at least a part of the first time-frequency resource except the third time-frequency resource;
  • the network device receives the channel state information that is sent by the terminal device, where the channel state information is obtained by using at least a part of the first time-frequency resource except the third time-frequency resource.
  • the channel state information is related to the first frequency domain resource, where the first frequency domain resource is less than or equal to a system bandwidth.
  • the foregoing first threshold may be predefined by a communication standard protocol specification or configured by the network device by using signaling.
  • the network device may configure the terminal device by using physical layer control signaling, or MAC layer signaling, or RRC layer signaling.
  • a terminal device comprising means for performing the respective modules in the first aspect.
  • a network device comprising means for performing the various modules in the second aspect.
  • a terminal device including a transceiver, a processor, and a memory.
  • the processor is for controlling transceiver transceiver signals for storing a computer program for calling and running the computer program from the memory such that the terminal device performs the method of the first aspect above.
  • a network device including a transceiver, a processor, and a memory.
  • the processor is for controlling transceiver transceiver signals for storing a computer program for calling and running the computer program from memory such that the network device performs the method of the second aspect.
  • a computer program product comprising: computer program code for performing the method of the above aspects when the computer program code is executed.
  • a computer readable medium storing program code, the program code comprising instructions for performing the method of the above aspects.
  • a chip comprising a processor and a memory, the processor for performing the method of the above aspects.
  • FIG. 1 is a wireless communication system 100 to which an embodiment of the present application is applied.
  • FIG. 2 is a schematic diagram of data-preserving time-frequency resources of data used for transmitting eMBB services by the data of the URLLC service.
  • FIG. 3 is a schematic flowchart of a communication method according to an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a relationship between a second time-frequency resource and a third time-frequency resource in the embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a relationship between a second time-frequency resource and a third time-frequency resource in the embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a relationship between a second time-frequency resource and a third time-frequency resource in the embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a relationship between a second time-frequency resource and a third time-frequency resource in the embodiment of the present application.
  • FIG. 8 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 9 is a schematic block diagram of a terminal device according to another embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a communication network device according to an embodiment of the present application.
  • FIG. 11 is a schematic block diagram of a network device according to another embodiment of the present application.
  • FIG. 1 is a wireless communication system 100 to which an embodiment of the present application is applied.
  • the wireless communication system 100 can include a network device 110.
  • Network device 110 may be a device that communicates with a terminal device.
  • Network device 110 can provide communication coverage for a particular geographic area and can communicate with terminal device 120 located within the coverage area.
  • FIG. 1 exemplarily shows one network device and two terminals.
  • the wireless communication system 100 may include multiple network devices and may include other numbers of terminals within the coverage of each network device. This example does not limit this.
  • the wireless communication system 100 may further include other network entities, such as a network controller, a mobility management entity, and the like.
  • network entities such as a network controller, a mobility management entity, and the like.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced Long Term Evolution
  • UMTS Universal Mobile Telecommunication System
  • 5G 5G
  • the terminal device may include, but is not limited to, a mobile station (Mobile Station, MS), a mobile terminal (Mobile Terminal), a mobile phone (Mobile Telephone), a user equipment (User Equipment, UE), a mobile device (handset) and portable devices, etc.
  • the terminal device can communicate with one or more core networks via a Radio Access Network (RAN), for example, the terminal device can be a mobile phone (or For "cellular" phones, computers with wireless communication capabilities, etc., the terminal devices can also be portable, pocket-sized, handheld, computer-integrated or in-vehicle mobile devices.
  • RAN Radio Access Network
  • the network device may be a network device, for example, may be a base station, a Transmit and Receive Point (TRP) or an access point, and the base station may be a base station in GSM or CDMA (Base Transceiver Station, BTS)
  • the base station (NodeB) in WCDMA and may also be an evolved base station (evolved Node B, eNB or e-NodeB) in LTE, and may also be an NR or 5G base station (gNB). This is not specifically limited.
  • a communication scenario to which the communication method of the embodiment of the present application is applied is briefly introduced in conjunction with the communication system shown in FIG. 1. It should be understood that the following scenarios are only for the purpose of facilitating the understanding of the specific scenarios of the communication method in the embodiment of the present application.
  • the communication scenario applicable to the communication method in the embodiment of the present application is not specifically limited.
  • Scenario 1 The time-frequency resources used to transmit the reference signal are preempted.
  • Typical URLLC services typically include wireless control in industrial manufacturing or production processes, motion control for driverless cars and drones, and tactile interaction applications such as remote repair and remote surgery.
  • the main features of these services are the requirement for ultra-high reliability and low transmission delay.
  • the data packet of the URLLC service is usually a small packet (for example, 32, 50, 200 bytes, etc.), and the generation of the data packet of the URLLC service is sudden and random, and may not be generated for a long time. Packets may also generate multiple packets in a short period of time.
  • the data packet of the URLLC service may be scheduled using a shorter time scheduling unit, for example, a symbol, a mini-slot or a larger subcarrier may be used.
  • the time slots are used as the smallest time scheduling unit.
  • Typical eMBB services include web browsing, data transmission, video broadcasting, and ultra high definition video.
  • the main features of these services are large amount of data transmission and high transmission rate. Therefore, a longer time scheduling unit is generally used for data transmission to improve transmission efficiency.
  • one time slot with a 15 kHz subcarrier spacing, corresponding to seven time domain symbols corresponds to a time length of 0.5 ms.
  • the URLLC service data usually adopts a shorter time scheduling unit to meet the requirements of ultra-short delay, for example, two time domain symbols with 15 kHz subcarrier spacing, or one time slot with 60 kHz subcarrier spacing, corresponding to seven time slots.
  • the domain symbol, the corresponding length of time is 0.125ms.
  • the network device Due to the burstiness and randomness of the data generated by the URLLC service, in order to improve the system resource utilization, in the downlink transmission process, the network device usually does not reserve a dedicated time-frequency resource for the data of the URLLC service, and the network device needs to be reserved.
  • the network device When the data of the URLLC service is sent, in order to satisfy the short transmission delay required for transmitting the data of the URLLC service, the network device cannot wait for the data transmission of the scheduled eMBB service to complete, and then transmit the data of the URLLC service.
  • the network device usually allocates time-frequency resources for URLLC service data in a resource preemption manner.
  • FIG. 2 is a schematic diagram of data-preserving time-frequency resources of data used for transmitting eMBB services by the data of the URLLC service. It can be seen from the schematic diagram of the time-frequency resource shown in FIG. 2 that the network device selects part or all of the time-frequency resources to transmit the URLLC service data on the allocated time-frequency resources for transmitting the eMBB service data. The network device may not send the data of the eMBB service on the time-frequency resources of the data preemption of the URLLC service.
  • the network device may select the most suitable frequency domain resource for the URLLC service to ensure the reliability of the URLLC service.
  • the terminal device that can preempt the time-frequency resource by the URLLC service (which may be the terminal device that transmits the data of the eMBB service, for convenience of description, hereinafter referred to as "eMBB terminal device") may have more than one, and different eMBB terminal devices are The ratio of the number of time-frequency resources preempted by the URLLC service to the total number of time-frequency resources allocated by the network device is also different.
  • the network device can avoid time-frequency resources for transmitting data of the eMBB service, or at least avoid the importance of transmitting the eMBB service, when preempting the time-frequency resources for the data of the URLLC service.
  • the transmission resource of a signal eg, a reference signal.
  • the network device preempts the time-frequency resources for the data of the URLLC service, it is difficult to specifically avoid the time-frequency resources used for transmitting the reference signal in the data process of transmitting the eMBB service.
  • the eMBB terminal device directly uses the signal received on the preempted time-frequency resource for channel estimation, channel sounding or data demodulation, the channel estimation or channel sounding accuracy or the data solution may be reduced to some extent. Tune failed.
  • the time-frequency resources used to transmit signals are vacant.
  • the network device After the network device allocates the time-frequency resource to the terminal device to transmit the reference signal, it decides to use the time-frequency resource to perform other operations, for example, measuring the interference of the neighboring cell on the time-frequency resource, and finally, the original is used for transmitting the reference.
  • the time-frequency resources of the signal are vacant, that is, the network device does not transmit the signal on the time-frequency resource that is originally intended to transmit the signal, nor does it transmit other signals.
  • the terminal device will still receive the signal on the vacant time-frequency resource and perform unnecessary terminal behavior.
  • Scenario 3 Transmit the signal and other signals on a time-frequency resource for transmitting a signal (such as a reference signal or a data signal).
  • a signal such as a reference signal or a data signal.
  • the network device transmitting other signals and the signal may be the same network device, and the network device transmitting other signals and the signal may also be different network devices; or the transmitting end of other signals may be other terminal devices.
  • the signal and other signals may use different signal characteristics, such as transmitting the signal and other signals by different modulation methods, or transmitting the signal and other signals through different beams so that the terminal device can transmit the signal.
  • the signal and other signals are distinguished on the time-frequency resource.
  • the terminal device may miss receiving the "useful signal", that is, other signals.
  • the interference signal has a high degree of interference to the signal, for example, when the transmission power of the interference signal is large, the reception reliability of the signal may be affected.
  • the signal is a reference signal, at this time, if the terminal device still directly uses the received "unreliable” reference signal, the accuracy of channel estimation or channel sounding may be lowered, or the data demodulation may fail. If the signal is a data signal, if the terminal device still directly uses the received "unreliable" data signal, the correct decoding probability of the data signal is reduced.
  • FIG. 3 is a schematic flowchart of a communication method of an embodiment of the present application, which is shown from the perspective of device interaction. It should be understood that FIG. 3 illustrates the communication steps or operations of the communication method of the embodiment of the present application, but the steps or operations are merely examples, and other operations of the present application or variations of the various operations in FIG. 3 may be performed. Moreover, the various steps in FIG. 3 may be performed in a different order than that presented in FIG. 3, and it is possible that not all operations in FIG. 3 are to be performed.
  • the network device sends the first indication information to the terminal device, where the first indication information is used to indicate the first time-frequency resource that transmits the reference signal of the terminal device.
  • the foregoing first time-frequency resource may be all or part of a time-frequency resource used for transmitting the reference signal of the terminal device.
  • the first time-frequency resource may be a time-frequency resource that transmits the same reference signal.
  • the first time-frequency resource may also be a time-frequency resource that transmits a reference signal of the same port.
  • the reference signal may be at least one of the following reference signals: a Channel State Information-Reference Signal (CSIRS), a Demodulation Reference Signal (DMRS), and a Phase Tracking Reference Signal (Phase-tracking). Reference signal, PTRS), etc.
  • CSIRS Channel State Information-Reference Signal
  • DMRS Demodulation Reference Signal
  • Phase-tracking Phase Tracking Reference Signal
  • the CSIRS is used by the terminal device to measure at least one channel state information, where the CSIRS may also be a reference signal for measuring interference, for example, a channel state information-CSI-interference measurement (CSI-IM) reference signal;
  • the CSIRS may also be a zero-power reference signal, that is, the network device does not transmit a signal at a time-frequency resource location corresponding to the zero-power reference signal, such as a zero-power channel state information reference signal (Zero-power CSI-RS, ZP CSIRS);
  • the CSIRS may also be a reference signal for measuring the quality of the lobe, for example, a Beam State Information Reference Signal (BSIRS).
  • BIRS Beam State Information Reference Signal
  • the DMRS described above is used by the terminal device to demodulate data and/or control information.
  • the demodulating may include performing channel estimation according to the DMRS, using the channel estimation to demodulate (or de-constellate mapping, etc.) the received signal of the data and/or control information, and further, may further include The demodulated signal is subjected to decoding or the like.
  • the PTRS described above is used by the terminal device to estimate phase noise (or phase error, phase deviation, etc.) in the received signal. Further, the terminal device may further process the phase noise in the received signal by using the estimation result, for example, correct or compensate the phase noise and the like.
  • the reference signal may be a signal having the same function as the reference signal in the future communication system, in addition to the above reference signal in the existing communication system.
  • the specific presentation forms of the first indication information are different for different types of reference signals.
  • the first indication information may be configuration information that is sent by the radio resource control (RRC) signaling to indicate that the terminal device reports the channel state information, where the configuration information is used to indicate the terminal.
  • the device can report the channel state information, for example, the content of the channel state information and the timing of reporting the channel state information, etc., the terminal device can determine, according to the configuration information, the location of the time-frequency resource of the CSI-RS signal used for determining the channel state information;
  • the indication information may also be the downlink control information (DCI) indicating that the terminal device reports the channel state information at one time; the first indication information may also be the time-frequency resource of the configuration terminal device CSI-RS carried by the RRC signaling.
  • the location information such as the time unit location where the CSI-RS is located, the time-frequency pattern, and the like.
  • the first indication information may be a DCI, where the DCI is used for scheduling data transmission, and the terminal device determines, according to the DCI for scheduling data transmission, a first DMRS for demodulating the data. Time-frequency resources.
  • the terminal device may be based on the presence of the first indication information. Determining the presence of the DMRS to determine the first time-frequency resource, or determining that the terminal device carries the DMRS on the first time-frequency resource according to the presence of the first indication information.
  • the foregoing first indication information may be configuration information of the RRC signaling, where the configuration information is used to configure a time-frequency resource for transmitting the PT-RS, or the configuration information is used to configure the transmission of the PT-RS.
  • the sending opportunity and the sending location; or the first information may also be the indication information in the DCI, where the indication information is used to indicate that the PT-RS is carried in the data signal transmitted by the DCI scheduling.
  • the network device sends the second indication information to the terminal device, where the second indication information is used to indicate the second time-frequency resource.
  • the second indication information is further used to indicate that a signal on the second time-frequency resource is unavailable, and/or the second indication information is further used to indicate a retransmitted coded block or retransmitted.
  • the coded block group CBG, the time-frequency resource occupied by the retransmitted coded block or the retransmitted CBG in the previous transmission is the second time-frequency resource.
  • the foregoing second indication information is further used to indicate that a signal on the second time-frequency resource is unavailable.
  • the unavailability of the signal on the second time-frequency resource may indicate that the second time-frequency resource is abnormal, or that the signal transmitted by the second time-frequency resource requires special processing or the like.
  • the signal on the second time-frequency resource is unavailable, and may also mean that the signal originally scheduled to be sent on the second time-frequency resource is not transmitted on the second time-frequency resource, and other signals are sent.
  • the signal on the second time-frequency resource is unavailable, and may mean that neither the signal originally scheduled to be sent on the second time-frequency resource nor the other signal is sent on the second time-frequency resource.
  • the signal on the second time-frequency resource is unavailable, that is, the original signal is sent on the second time-frequency resource, and other signals are sent on the second time-frequency resource, and the other signal may be
  • the signal useful to the terminal device can also be an interference signal.
  • signal originally scheduled to be transmitted on the second time-frequency resource may mean that the network device has passed before the time domain location where the second time-frequency resource is located (physical layer, RRC layer, multimedia control layer).
  • the signaling indicates to the terminal device that the second time-frequency resource is used for the transmitted signal.
  • the above "signal originally scheduled to be transmitted on the second time-frequency resource” may also refer to a signal used by the second time-frequency resource predefined by the communication standard specification for transmission.
  • the foregoing second indication information may also be resource indication information, that is, the second indication information may directly indicate a time-frequency resource whose signal is unavailable.
  • the second time-frequency resource may be indicated by a bitmap file, that is, different time-frequency resources (for example, Resource Element (RE)).
  • the second time-frequency resource may be indicated by a value of a different bit corresponding to a different bit.
  • the second indication information may further indicate a second time-frequency resource by using a field including N bits, and the second time-frequency resource may be indicated by M states of the N bits, where M ⁇ 2 N .
  • the second indication information is further used to indicate a retransmitted coding block or a retransmitted coding block group (CBG), or the second indication information may also be a coding block or a heavy indicator used to indicate retransmission.
  • the indication information of the coded block group CBG is the second time-frequency resource, which can be understood as the retransmission indicated by the second indication information.
  • the coded block or retransmitted CBG during the previous transmission, at least part of the time-frequency resources occupied are used to transmit other signals; or the retransmitted coded block or retransmitted CBG indicated by the second indication information, In the previous transmission process, at least part of the time-frequency resources occupied are vacant; or the retransmitted coding block or the retransmitted CBG indicated by the second indication information is occupied at least in the previous transmission process. Time-frequency resources are disturbed.
  • the terminal device further receives second control information from the network device.
  • the second control information includes the second indication information.
  • the second control information is further used to schedule transmission of the retransmitted coded block or the retransmitted coded block group CBG indicated by the second indication information.
  • the foregoing coding block may be a network device scheduling terminal device performing physical layer data transmission, where one or more information blocks are actually divided, and one coding block group includes at least one coding block.
  • the information block may be a transport block, or a coded block, or a coded block set.
  • the foregoing second indication information may be specifically sent to the terminal device, or may be sent to the terminal device set where the terminal device is located, for example, sent to the terminal device in a multicast manner.
  • the terminal device determines, according to the second indication information, whether the third time-frequency resource is included in the first time-frequency resource, where the third time-frequency resource is: the first time-frequency resource and the first The time-frequency resource included in the second time-frequency resource, or the time-frequency resource adjacent to the second time-frequency resource, or the interval from the second time-frequency resource is less than a preset first interval, or Time-frequency resources related to the second time-frequency resource.
  • the second time-frequency resource and the third time-frequency resource indicated by the second indication information may be the same time-frequency resource, or the third time-frequency resource.
  • the resource is a subset of the second time-frequency resource, or the third time-frequency resource is empty.
  • the terminal device may determine, according to whether the first time-frequency resource and the second time-frequency resource have an intersection, whether the third time-frequency resource is included in the first time-frequency resource.
  • the terminal device determines that the first time-frequency resource includes the third time-frequency resource, and the third time-frequency resource is the first time-frequency resource and the second time-frequency resource
  • the intersection, or the third time-frequency resource is a time-frequency resource that is included in the first time-frequency resource and the second time-frequency resource.
  • the terminal device may determine whether the first time-frequency resource includes the third time-frequency resource by using at least one of the following methods:
  • the terminal device may determine that the first time-frequency resource includes the third time-frequency resource.
  • the second time-frequency resource is related to the third time-frequency resource.
  • the reference signal transmitted on the third time-frequency resource is used to demodulate at least part of the data transmitted on the second time-frequency resource.
  • the third time-frequency resource may be the first time-frequency resource, or the third time-frequency resource belongs to the first time-frequency resource.
  • FIG. 4 and FIG. 5 are schematic structural diagrams showing the relationship between the second time-frequency resource and the third time-frequency resource in the embodiment of the present application.
  • FIG. 4 and FIG. 5 there are two cases in the relative positions of the second time-frequency resource and the third time-frequency resource:
  • the terminal device may determine, according to the second indication information, that the second time-frequency resource used for transmitting the target coding block is re-allocated by the network network device for transmitting the data of the URLLC service, in the process of preparing the transmission target coding block for the first time, so The target coding block needs to be retransmitted, that is, the retransmitted target coding block is the coded block retransmitted above.
  • the network device When the network device re-allocates (preempts) the time-frequency resource for the data of the URLLC service, the network device usually preempts a plurality of consecutive time-frequency resources, and the second time-frequency resource surrounds the third time-frequency resource originally used for transmitting the reference signal.
  • the terminal device may determine that the third time-frequency resource is highly likely to be preempted by the network device, and is used for transmitting data of the URLLC service, and therefore, in the process of transmitting the target coding block last time (predetermined use of the second time-frequency resource transmission target) During the encoding of the block, the signal on the third time-frequency resource is not available.
  • the terminal device may determine, according to the second indication information, that the second time-frequency resource used for transmitting the target coding block is preempted by the network device in the process of preparing the transmission target coding block for the first time, and is used for transmitting the data of the URLLC service, so
  • the transmission target coding block, that is, the retransmitted target coding block is the coded block retransmitted above.
  • the second time-frequency resource includes the third time-frequency resource originally used for transmitting the reference signal, so the terminal device can determine that the third time-frequency resource is preempted by the network device, and is used to transmit the data of the URLLC service, and therefore, the last transmission In the process of encoding the target block (in the process of using the second time-frequency resource to transmit the target coding block), the signal on the third time-frequency resource is not available.
  • FIG. 6 is a schematic structural diagram of a relationship between a second time-frequency resource and a third time-frequency resource in the embodiment of the present application.
  • the terminal device may determine, according to the second indication information, that the second time-frequency resource used for transmitting the target coding block is preempted by the network device for transmitting the data of the URLLC service in the process of preparing the transmission target coding block for the first time.
  • the third time-frequency resource that is used to transmit the reference signal is adjacent to the second time-frequency resource, and the terminal device may determine that the third time-frequency resource is preempted by the network device, and the probability of transmitting the data of the URLLC service is high.
  • the signal on the third time-frequency resource is not available.
  • the foregoing neighboring means that one of the third time-frequency resources and at least one of the neighboring REs belong to the second time-frequency resource.
  • FIG. 7 is a schematic structural diagram of a relationship between a second time-frequency resource and a third time-frequency resource in the embodiment of the present application.
  • the terminal device may determine, according to the second indication information, that the second time-frequency resource used for transmitting the target coding block is preempted by the network device for transmitting the data of the URLLC service in the process of preparing the transmission target coding block for the first time.
  • the network device usually preempts a plurality of consecutive time-frequency resources when the time-frequency resources are preempted for transmitting the data of the URLLC service. Referring to FIG.
  • the time-frequency resource interval is smaller than the second time-frequency resource and the third time-frequency of the first interval. a resource, therefore, when the second time-frequency resource in FIG. 7 indicated by the second indication information, the third time-frequency resource that is spaced apart from the second time-frequency resource by less than the preset first time interval is highly likely to be also used by the network device. Preemption, used to transmit data for URLLC services. Therefore, during the first transmission of the target coding block, the signal transmitted on the third time-frequency resource is not available.
  • the case where the signal on the third time-frequency resource is unavailable may refer to the data of the URLLC service transmitted on the third time-frequency resource, or the reference signal transmitted on the third time-frequency resource is affected by the data of the URLLC service.
  • the interference is large.
  • the second terminal time-frequency resource is determined by the terminal device by sending the second indication information to the terminal device, where the third time-frequency resource may be originally used for transmitting the reference signal, but an abnormality occurs.
  • Time-frequency resources so that the terminal device further determines whether to use the signal received by the third time-frequency resource, which avoids the prior art, the terminal device directly uses the signal received on the time-frequency resource of the transmission reference signal as a reference signal, and reduces the channel. Estimation, accuracy of channel sounding or demodulation of derivative data fails.
  • the method further includes: the terminal device receiving a first signal on a time-frequency resource that transmits the reference signal; the terminal device determining, according to the second indication information, the The first signal includes an interference signal and the reference signal; or the terminal device determines, according to the second indication information, that the first signal is the interference signal; and the terminal device determines, according to the second indication information, The reference signal is processed, the processing comprising determining that the action of the reference signal has failed or continues to use the reference signal.
  • the second indication information is used to indicate that the signal on the third time-frequency resource includes a reference signal and a second signal
  • the method further includes: the terminal device is in the Receiving a second signal on the third time-frequency resource; the terminal device receiving the second signal and the terminal device continues to use the reference signal.
  • the reference signal and the second signal are transmitted by multiplexing the third time-frequency resource to improve utilization of system resources.
  • the reference signal is used by the terminal device to determine channel state information
  • the method further includes:
  • the terminal device When the third time-frequency resource is included in the first time-frequency resource, the terminal device does not send the channel state information to the network device; or
  • the terminal device sends the channel state information and third indication information to the network device, where the third indication information is used to indicate The channel state information is invalid; or
  • the terminal device When the proportion of the third time-frequency resource in the first time-frequency resource reaches or exceeds a first threshold, the terminal device does not send the channel state information to the network device; or
  • the terminal device When the proportion of the third time-frequency resource in the first time-frequency resource reaches or exceeds a first threshold, the terminal device sends the channel state information and the third indication information to the network device, where The third indication information is used to indicate that the channel state information is invalid.
  • the third time-frequency resource when the third time-frequency resource is included in the first time-frequency resource, it may be understood that at least part of the time-frequency resource (ie, the third time-frequency resource) of the transmission reference signal is abnormal (for example, Occupied, vacant, etc.).
  • the ratio of the third time-frequency resource in the first time-frequency resource may be the ratio between the number of resource elements (RE elements) in the third time-frequency resource and the number of REs in the first time-frequency resource, and
  • the time-frequency resource between the time-frequency resources used by the terminal device for transmitting the reference signal eg, occupied, vacant, etc.
  • the total amount of time-frequency resources used by the terminal device to transmit the reference signal may be ratio.
  • the channel state information and the third indication information may be two independent information, or the channel state information carries the third indication information, for example, one bit in the channel state information may be used as the third indication information. Or, a status value of the channel status information is used as the third indication information.
  • the terminal device may determine the accuracy of the channel state information according to the number of abnormalities (eg, occupied, vacant, etc.) of the time-frequency resource of the transmission reference signal, and when the accuracy of the channel state information is not high, the terminal device The channel state information may not be sent to the network device, or the channel state information of the network device may be invalidated to avoid the state indication information that the network device uses insufficient accuracy.
  • the number of abnormalities eg, occupied, vacant, etc.
  • the channel state information is related to the first frequency domain resource.
  • the first frequency domain resource is less than or equal to a system bandwidth.
  • the reference signal may be a reference signal for measuring a channel state of a wideband, and the reference signal may also be a channel state of the measured subband. Reference signal.
  • the channel state information is used only for the terminal device to feed back information related to the frequency domain resource, such as lobular state information, to the network device.
  • the reference signal is used by the terminal device to determine channel state information
  • the method further includes: when the third time-frequency resource is in the first time-frequency resource When the first threshold is not reached or not, the terminal device sends the channel state information to the network device, where the channel state information is other than the third time-frequency resource in the first time-frequency resource. At least part of the acquisition.
  • the ratio of the third time-frequency resource in the first time-frequency resource may be the ratio between the number of REs in the third time-frequency resource and the number of REs in the first time-frequency resource, and may also refer to The ratio between the number of time-frequency resources in which the terminal device is used to transmit the reference signal, such as occupied, vacant, etc., and the total amount of time-frequency resources used by the terminal device to transmit the reference signal.
  • the reference signal is used by the terminal device to determine channel state information
  • the method further includes: the terminal device sending the channel state information to the network device, where the channel state is The information is obtained by using at least a part of the first time-frequency resource except the third time-frequency resource.
  • the terminal device may discard the signal received on the third time-frequency resource, and calculate the channel of the first frequency domain resource by using the reference signal received on the time-frequency resource other than the third time-frequency resource in the first time-frequency resource. status information.
  • the channel state information determined by the terminal device includes at least one of the following information, channel state information (CSI), channel quality index information, and precoding indication (Precoding Matrix). Indicator, PMI) information, Rank Indicato (RI) information, lobe quality information, etc.
  • the CSI may be specifically referred to as information for a reaction channel state, or may be a general term for one or more of other information.
  • the CQI is used by the terminal device to feed back a coded modulation scheme (or efficiency) index to the network device, where the index is used to indicate a channel quality of a frequency domain resource corresponding to the index.
  • the PMI is used by the terminal device to feed back, to the network device, a precoding matrix or a precoding matrix index suitable for a channel of a frequency domain resource.
  • the RI is used by the terminal device to feed back to the network device a number of layers (or ranks) of multi-antenna transmission that the channel of the frequency domain resource can support.
  • the lobes quality information is used by the terminal device to feed back, to the network device, channel quality corresponding to at least one lob.
  • the communication method of the embodiment of the present application is described in detail below by taking a reference signal for a terminal device to demodulate at least one information block as an example.
  • the first demodulation reference signal referred to hereinafter may be a Basic DMRS, or may be a front-loaded DMRS, or may be referred to as a front DMRS, a normal DMRS, or a regular (regular) ) DMRS and so on.
  • the time-frequency resource of the transmission basic DMRS may be located before the time-frequency resource where the data demodulated by the basic DMRS is located, or the front part of the time-domain unit corresponding to the time-frequency resource where the data channel is located.
  • the second demodulation reference signal referred to hereinafter may be an additional DMRS, or may be referred to as a post-loaded or postposition DMRS, or a post DMRS or the like.
  • the time-frequency resources used to transmit the additional DMRS are located at the rear of the time domain transmission corresponding to the time-frequency resource in which the data demodulated using the additional DMRS is located.
  • the additional DMRS is optional DMRS, that is to say, not all data transmissions have corresponding additional DMRS.
  • the network device may send the indication information to the terminal device to indicate that the terminal device sends the additional DMRS together with the data after receiving the indication information, or the network device indicates the terminal device by using the indication information, after receiving the indication information, Additional DMRS will be sent with the data.
  • the additional DMRS is used to help the terminal device improve channel estimation accuracy, increase data channel reception reliability, thereby reducing the number of retransmissions, thereby improving the system. Time-frequency resource usage efficiency.
  • the base DMRS can obtain sufficient channel estimation accuracy, and no additional DMRS needs to be transmitted.
  • the configuration of the underlying DMRS has a higher priority than the additional DMRS.
  • the network device configures the basic DMRS, for example, a sequence generation parameter of the DMRS or a time-frequency location of the DMRS transmission.
  • Each data transmission will have a basic DMRS sent with this data.
  • the additional DMRS only has the underlying DMRS and the additional DMRS sent with the data in the data transmission if the network device indicates its presence to the terminal device (or indicates that the additional DMRS is activated/enabled/marked as available).
  • the reference signal is used by the terminal device to demodulate at least one information block, where the method further includes: when the third time-frequency resource is included in the first time-frequency resource And the terminal device does not use the signal on the third time-frequency resource to demodulate the at least one information block, or does not demodulate the at least one information block.
  • the first time-frequency resource that transmits the reference signal includes the third time-frequency resource, that is, the third time-frequency resource is abnormal (for example, occupied, or is vacant, etc.), or the reference on the third time-frequency resource
  • the terminal device may demodulate some or all of the information blocks without using signals on the third time-frequency resource.
  • the terminal device may not demodulate the at least one information.
  • the block is demodulated.
  • a block of information contains several bits of information.
  • the information bits are divided into one or more coded blocks depending on the number of information bits.
  • Information bits within a coded block are channel coded once to generate channel coded bits.
  • a coded block group contains at least one code block.
  • the above "information block” may be one or more transport blocks, one or more coded blocks, or one or more coded block groups.
  • the reference signal is used by the terminal device to demodulate at least one information block
  • the method further includes: when the third time-frequency resource is in the first time-frequency resource When the ratio reaches or exceeds the second threshold, the terminal device does not demodulate the at least one information block.
  • the ratio of the third time-frequency resource in the first time-frequency resource may be the ratio between the number of REs in the third time-frequency resource and the number of REs in the first time-frequency resource, and may also refer to The ratio between the number of time-frequency resources in which the terminal device is used to transmit the reference signal, such as occupied, vacant, etc., and the total amount of time-frequency resources used by the terminal device to transmit the reference signal.
  • the reference signal is used by the terminal device to demodulate at least one information block
  • the method further includes: when the third time-frequency resource is in the first time-frequency resource When the ratio does not reach or exceed the second threshold, the terminal device demodulates the at least one information block by using a signal on the at least part of the time-frequency resource except the third time-frequency resource by using the first time-frequency resource. .
  • the time-frequency resource except the third time-frequency resource used by the first time-frequency resource used by the terminal device can be understood as a time-frequency resource of the normal transmission reference signal. That is, the terminal device can demodulate at least one information block using a reference signal received on a transmission resource where an abnormality (eg, occupied, or vacant, etc.) does not occur.
  • an abnormality eg, occupied, or vacant, etc.
  • the ratio of the third time-frequency resource in the first time-frequency resource may be the ratio between the number of REs in the third time-frequency resource and the number of REs in the first time-frequency resource, and may also refer to The ratio between the number of time-frequency resources in which the terminal device is used to transmit the reference signal, such as occupied, vacant, etc., and the total amount of time-frequency resources used by the terminal device to transmit the reference signal.
  • the reference signal only includes a first demodulation reference signal, or the reference signal includes a first demodulation reference signal and a second demodulation reference signal, where the first demodulation reference signal is used for demodulation A base demodulation reference signal of the at least one information block, the second demodulation reference signal being an additional demodulation reference signal for demodulating the at least one information block.
  • the third time-frequency resource is configured to transmit at least part of the first demodulation reference signal and at least part of the second demodulation reference signal, but the proportion of the third time-frequency resource in the first time-frequency resource does not reach Or the second threshold is not exceeded, the terminal device can demodulate the information block using the reference signal. The number of retransmissions of the information block is reduced, thereby improving the efficiency of the system's time-frequency resource usage.
  • the reference signal is used by the terminal device to demodulate at least one information block, where the reference signal includes a first demodulation reference signal and a second demodulation reference signal, where the first demodulation reference signal a base demodulation reference signal for demodulating the at least one information block, the second demodulation reference signal being an additional demodulation reference signal for demodulating the at least one information block, the first demodulation
  • the reference signal occupies a first portion of the first time-frequency resource, and the second demodulation reference signal occupies a second portion of the first time-frequency resource;
  • the method further includes:
  • the terminal device When the third time-frequency resource is included in the first part, the terminal device does not use the signal on the third time-frequency resource to demodulate the at least one information block, or does not demodulate the at least one information. Block; and/or
  • the terminal device When the ratio of the third time-frequency resource to the first intersection of the first portion in the first portion reaches or exceeds a third threshold, the terminal device does not demodulate the at least one information block; and / or
  • the terminal device uses the first portion to divide the first Demodulating the at least one information block by at least a portion of the signal on the time-frequency resource other than the intersection;
  • the terminal device When the third time-frequency resource is included in the second part, the terminal device does not use the signal on the third time-frequency resource to demodulate the at least one information block, or does not demodulate the at least one Information block; and/or
  • the terminal device When the ratio of the third time-frequency resource and the second intersection of the second part in the second part reaches or exceeds a fourth threshold, the terminal device does not use the second demodulation reference signal Demodulating the at least one information block; and/or
  • the terminal device uses the second part to divide A signal on at least a portion of the time-frequency resources other than the second intersection demodulates the at least one information block.
  • the terminal device may not use the third time-frequency resource.
  • the upper signal demodulates the at least one information block, or the terminal device does not directly demodulate at least one information block. That is, the terminal device may demodulate the at least one information block without using a signal on the third time-frequency resource, or the terminal may be abnormal due to an abnormality of the time-frequency resource (ie, the third time-frequency resource) originally used for transmitting the basic DMRS.
  • the device does not directly demodulate at least one block of information.
  • an abnormal time-frequency resource ie, a third time-frequency resource
  • at least part of the time-frequency resource is used to transmit the first demodulation reference signal, and the first time-frequency resource and the first intersection of the first part are in the
  • the proportion in the first part reaches or exceeds the third threshold, that is, the number of abnormalities of the time-frequency resources originally used for transmitting the first demodulation reference signal is large, and the degree of demodulation accuracy of the information block is affected, and the terminal
  • the device may not demodulate at least one block of information.
  • the terminal device may not demodulate at least one information block.
  • the basic DMRS can generally provide better channel estimation accuracy than using the additional DMRS alone. According to the implementation manner of the foregoing example, whether the at least one information block is demodulated according to the affected degree of the basic DMRS may reduce the implementation complexity of the terminal device.
  • an abnormal time-frequency resource ie, a third time-frequency resource
  • the original DMRS is originally transmitted, and the time-frequency resource used for transmitting the basic DMRS does not have an abnormality, that is, the third time-frequency resource.
  • the terminal device can demodulate the information block using only the basic DMRS.
  • an abnormal time-frequency resource ie, a third time-frequency resource
  • the number of time-frequency resources in which an abnormality occurs is large, that is, the third time-frequency resource and the second part of the foregoing
  • the proportion of the second intersection in the second part reaches or exceeds the fourth threshold
  • the time-frequency resource used for transmitting the basic DMRS does not exhibit an abnormality, that is, the third time-frequency resource is not originally used for transmission.
  • the terminal device can demodulate the information block using only the basic DMRS.
  • the basic DMRS is a reference signal that is inevitably transmitted during data transmission
  • the time-frequency position of the basic DMRS is relatively fixed.
  • the time-frequency resources of the additional DMRS are more likely to be abnormal.
  • determining whether the resource of the additional DMRS is abnormal the abnormal time-frequency resource may be discriminated more carefully, and determining whether the information block is performed according to the specific situation of the time-frequency resource in which the abnormality occurs Demodulation, and how to use the reference signal to demodulate the information block, can improve the efficiency of spectrum use to a certain extent.
  • the reference signal is used to calculate a phase error
  • the method further includes:
  • the terminal device does not use the reference signal to calculate the phase error
  • the terminal device When the proportion of the third time-frequency resource in the first time-frequency resource exceeds a fifth threshold, the terminal device does not use the reference signal to calculate the phase error; or
  • the terminal device calculates the phase error using the reference signal.
  • phase noise jitter is often one of the factors that affect system performance.
  • the terminal determines whether to use the PTRS to calculate the phase error, which helps to improve the estimation accuracy of the phase noise, so that the terminal device compensates the phase noise more accurately in the process of receiving signal processing, improves the reception accuracy of the data channel, and reduces Unnecessary data channel retransmission, thereby improving the system's time-frequency resource usage efficiency.
  • the first threshold, the second threshold, the third threshold, the fourth threshold, and the fifth threshold mentioned above may be predefined by a communication standard protocol specification or signaled by the network device as a terminal device.
  • the network device can be configured for the terminal device by using the physical layer control signaling, or the MAC layer signaling, or the RRC layer signaling, which is not specifically limited in this embodiment.
  • the communication method of the embodiment of the present application is described in detail above with reference to FIG. 1 to FIG. 7.
  • the apparatus of the embodiment of the present application is described in detail below with reference to FIG. 8 to FIG. It should be understood that the apparatus shown in FIG. 8 to FIG. 11 can implement the various steps in FIG. 1 to FIG. 7. To avoid repetition, details are not described herein again.
  • FIG. 8 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • the terminal device 800 shown in FIG. 8 includes a receiving unit 810, and a determining unit 820.
  • the receiving unit 810 is configured to receive first indication information that is sent by the network device, where the first indication information is used to indicate a first time-frequency resource that transmits a reference signal of the terminal device;
  • the receiving unit 810 is further configured to receive second indication information that is sent by the network device, where the second indication information is used to indicate a second time-frequency resource;
  • the determining unit 820 is configured to determine, according to the second indication information that is received by the receiving unit, whether the third time-frequency resource is included in the first time-frequency resource, where the third time-frequency resource is:
  • the time-frequency resource included in the first time-frequency resource and the second time-frequency resource or
  • the interval from the second time-frequency resource is less than a preset first interval, or
  • Time-frequency resources related to the second time-frequency resource are related to the second time-frequency resource.
  • the second terminal time-frequency resource is determined by the terminal device by sending the second indication information to the terminal device, where the third time-frequency resource may be originally used for transmitting the reference signal, but an abnormality occurs.
  • Time-frequency resources so that the terminal device further determines whether to use the signal received by the third time-frequency resource, which avoids the prior art, the terminal device directly uses the signal received on the time-frequency resource of the transmission reference signal as a reference signal, and reduces the channel. Estimation, accuracy of channel sounding or demodulation of derivative data fails.
  • the second indication information is further used to indicate that a signal on the second time-frequency resource is unavailable, and/or,
  • the second indication information is further used to indicate a retransmitted coding block or a retransmitted coding block group CBG, where the retransmitted coding block or the retransmitted CBG occupies the second time resource resource in the previous transmission. Time-frequency resources.
  • the reference signal is used by the terminal device to determine channel state information
  • the terminal device further includes:
  • a first sending unit configured to not send the channel state information to the network device when the third time-frequency resource is included in the first time-frequency resource
  • the first sending unit is further configured to: when the first time-frequency resource includes the third time-frequency resource, the terminal device sends the channel state information and the third indication information to the network device, The third indication information is used to indicate that the channel state information is invalid; or
  • the first sending unit is further configured to: when the proportion of the third time-frequency resource in the first time-frequency resource reaches or exceeds a first threshold, does not send the channel state information to the network device. ;or
  • the first sending unit is further configured to: when the proportion of the third time-frequency resource in the first time-frequency resource reaches or exceeds a first threshold, send the channel state information to the network device, and
  • the third indication information is used to indicate that the channel state information is invalid.
  • the reference signal is used by the terminal device to determine channel state information
  • the terminal device further includes:
  • a second sending unit configured to send the channel state information to the network device when the proportion of the third time-frequency resource in the first time-frequency resource does not reach or exceed a first threshold, where The channel state information is obtained by using at least a part of the first time-frequency resource except the third time-frequency resource;
  • the second sending unit is further configured to send the channel state information to the network device, where the channel state information is obtained by using at least a part of the first time-frequency resource except the third time-frequency resource. of.
  • the channel state information is related to a first frequency domain resource, and the first frequency domain resource is less than or equal to a system bandwidth.
  • the reference signal is used by the terminal device to demodulate at least one information block
  • the terminal device further includes:
  • a first demodulation unit configured to: when the third time-frequency resource is included in the first time-frequency resource, demodulate the at least one information block without using a signal on the third time-frequency resource, or Demodulating the at least one information block; and/or
  • the first demodulation unit is further configured to: when the proportion of the third time-frequency resource in the first time-frequency resource reaches or exceeds a second threshold, does not demodulate the at least one information block; and /or
  • the first demodulation unit is further configured to: when the proportion of the third time-frequency resource in the first time-frequency resource does not reach or exceed a second threshold, use the first time-frequency resource to divide And demodulating the at least one information block by a signal on at least a portion of the time-frequency resources other than the third time-frequency resource.
  • the reference signal includes only the first demodulation reference signal, or
  • the reference signal includes a first demodulation reference signal and a second demodulation reference signal, the first demodulation reference signal being a base demodulation reference signal for demodulating the at least one information block, the second solution
  • the tone reference signal is an additional demodulation reference signal used to demodulate the at least one information block.
  • the reference signal is used by the terminal device to demodulate at least one information block
  • the reference signal includes a first demodulation reference signal and a second demodulation reference signal
  • the first demodulation reference signal is used for solution Adjusting a base demodulation reference signal of the at least one information block
  • the second demodulation reference signal being an additional demodulation reference signal for demodulating the at least one information block, the first demodulation reference signal occupying a first portion of the first time-frequency resource, where the second demodulation reference signal occupies a second portion of the first time-frequency resource;
  • the terminal device further includes:
  • a second demodulation unit configured to: when the third time-frequency resource is included in the first part, demodulate the at least one information block without using a signal on the third time-frequency resource, or not demodulate Said at least one information block; and/or
  • the second demodulation unit is further configured to: when the ratio of the third time-frequency resource and the first intersection of the first portion in the first portion reaches or exceeds a third threshold, does not demodulate the At least one information block; and/or
  • the second demodulation unit is further configured to use, when the ratio of the third time-frequency resource and the first intersection of the first portion in the first portion does not reach or exceed a third threshold, a first portion of the signal on at least a portion of the time-frequency resource except the first intersection demodulates the at least one information block; and/or
  • the second demodulation unit is further configured to: when the ratio of the third time-frequency resource and the second intersection of the second part in the second part reaches or exceeds a fourth threshold, does not use Deriving the at least one information block by the second demodulation reference signal; and/or
  • the second demodulation unit is further configured to: when a ratio of the third time-frequency resource and the second intersection of the second part in the second part does not reach or exceed a fourth threshold, Decoding the at least one information block by the signal on the at least part of the time-frequency resource other than the second intersection; and/or
  • the second demodulation unit is further configured to: when the third time-frequency resource is included in the second part, demodulate the at least one information block by using a signal on the third time-frequency resource, or The at least one information block is not demodulated.
  • the receiving unit 810 may be a transceiver 940
  • the determining unit 820 may be a processor 920
  • the terminal device may further include an input/output interface 930 and a memory 910, as shown in FIG. Shown.
  • FIG. 9 is a schematic block diagram of a terminal device according to another embodiment of the present application.
  • the terminal device 900 shown in FIG. 9 may include a memory 910, a processor 920, an input/output interface 930, and a transceiver 940.
  • the memory 910, the processor 920, the input/output interface 930, and the transceiver 940 are connected by an internal connection path for storing instructions for executing instructions stored in the memory 920 to control input/
  • the output interface 930 receives the input data and information, outputs data such as an operation result, and controls the transceiver 940 to transmit a signal.
  • the processor 920 is configured to determine a dedicated transmission resource used for transmitting the scheduling request SR.
  • the transceiver 940 is configured to send the SR to the network device on the dedicated transmission resource determined by the determining unit.
  • the processor 920 may be a general-purpose central processing unit (CPU), a microprocessor, an application specific integrated circuit (ASIC), or one or more.
  • CPU central processing unit
  • ASIC application specific integrated circuit
  • transceiver 940 also known as a communication interface, utilizes transceivers such as, but not limited to, transceivers to enable communication between terminal 900 and other devices or communication networks.
  • the memory 910 can include read only memory and random access memory and provides instructions and data to the processor 920.
  • a portion of processor 920 may also include a non-volatile random access memory.
  • processor 920 can also store information of the type of device.
  • each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 920 or an instruction in a form of software.
  • the communication method disclosed in the embodiment of the present application may be directly implemented as a hardware processor execution completion, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 910, and the processor 920 reads the information in the memory 910 and completes the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.
  • the processor may be a central processing unit (CPU), and the processor may also be other general-purpose processors, digital signal processors (DSPs), and dedicated integration.
  • DSPs digital signal processors
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • FIG. 10 is a schematic structural diagram of a communication network device according to an embodiment of the present application.
  • the network device 1000 shown in FIG. 10 includes a transmitting unit 1010 and a first receiving unit 1020.
  • a sending unit configured to send first indication information to the terminal device, where the first indication information is used to indicate a first time-frequency resource that transmits a reference signal of the terminal device;
  • the sending unit is further configured to send the second indication information to the terminal device, where the second indication information is used to indicate a second time-frequency resource, and the second indication information is further used to determine the first time-frequency. Whether the third time-frequency resource is included in the resource, and the third time-frequency resource is:
  • the time-frequency resource included in the first time-frequency resource and the second time-frequency resource or
  • the interval from the second time-frequency resource is less than a preset first interval, or
  • Time-frequency resources related to the second time-frequency resource are related to the second time-frequency resource.
  • the second terminal time-frequency resource is determined by the terminal device by sending the second indication information to the terminal device, where the third time-frequency resource may be originally used for transmitting the reference signal, but an abnormality occurs.
  • Time-frequency resources so that the terminal device further determines whether to use the signal received by the third time-frequency resource, which avoids the prior art, the terminal device directly uses the signal received on the time-frequency resource of the transmission reference signal as a reference signal, and reduces the channel. Estimation, accuracy of channel sounding or demodulation of derivative data fails.
  • the second indication information is further used to indicate that the signal on the second time-frequency resource is unavailable, or
  • the second indication information is further used to indicate a retransmitted coding block or a retransmitted coding block group CBG, where the retransmitted coding block or the retransmitted CBG occupies the second time resource resource in the previous transmission. Time-frequency resources.
  • the reference signal is used by the terminal device to determine channel state information
  • the network device further includes:
  • a first receiving unit configured to receive, when the first time-frequency resource includes the third time-frequency resource, the channel state information and the third indication information that are sent by the terminal device, where the third indication information is Used to indicate that the channel state information is invalid;
  • the first receiving unit is further configured to: when the proportion of the third time-frequency resource in the first time-frequency resource reaches or exceeds a first threshold, receiving the channel state information sent by the terminal device And the third indication information, where the third indication information is used to indicate that the channel state information is invalid.
  • the reference signal is used by the terminal device to determine channel state information
  • the network device further includes:
  • a second receiving unit configured to receive the channel state information sent by the terminal device when a proportion of the third time-frequency resource in the first time-frequency resource does not reach or exceed a first threshold,
  • the channel state information is obtained by using at least a part of the first time-frequency resource except the third time-frequency resource;
  • the second receiving unit is further configured to receive the channel state information that is sent by the terminal device, where the channel state information is that at least a part of the first time-frequency resource except the third time-frequency resource is used. Obtained.
  • the channel state information is related to the first frequency domain resource, where the first frequency domain resource is less than or equal to a system bandwidth.
  • the sending unit 1010 and the first receiving unit 1020 may be a transceiver 1140.
  • the network device may further include an input/output interface 1130 and a memory 1110, as shown in FIG. 11 .
  • FIG. 11 is a schematic block diagram of a network device according to another embodiment of the present application.
  • the network device 1100 shown in FIG. 11 may include a memory 1110, a processor 1120, an input/output interface 1130, and a transceiver 1140.
  • the memory 1110, the processor 1120, the input/output interface 1130, and the transceiver 1140 are connected by an internal connection path.
  • the memory 1110 is configured to store an instruction
  • the processor 1120 is configured to execute an instruction stored by the memory 1120 to control the input/
  • the output interface 1130 receives the input data and information, outputs data such as the operation result, and controls the transceiver 1140 to transmit a signal.
  • the transceiver 1140 is configured to send first indication information to the terminal device, where the first indication information is used to indicate a first time-frequency resource for transmitting a reference signal of the terminal device;
  • the second indication information is further used to send the second indication information to the terminal device, where the second indication information is used to indicate the second time-frequency resource, and the second indication information is further used to determine whether the first time-frequency resource includes the first
  • the third time-frequency resource, the third time-frequency resource is:
  • the time-frequency resource included in the first time-frequency resource and the second time-frequency resource or
  • the interval from the second time-frequency resource is less than a preset first interval, or
  • Time-frequency resources related to the second time-frequency resource are related to the second time-frequency resource.
  • the processor 1120 may be a general-purpose central processing unit (CPU), a microprocessor, an application specific integrated circuit (ASIC), or one or more.
  • CPU central processing unit
  • ASIC application specific integrated circuit
  • transceiver 1140 also known as a communication interface, enables communication between network device 1100 and other devices or communication networks using transceivers such as, but not limited to, transceivers.
  • the memory 1110 can include read only memory and random access memory and provides instructions and data to the processor 1120.
  • a portion of the processor 1120 can also include a non-volatile random access memory.
  • the processor 1120 can also store information of the device type.
  • each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 1120 or an instruction in a form of software.
  • the communication method disclosed in the embodiment of the present application may be directly implemented as a hardware processor execution completion, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 1110, and the processor 1120 reads the information in the memory 1110 and performs the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.
  • the processor may be a central processing unit (CPU), and the processor may also be other general-purpose processors, digital signal processors (DSPs), and dedicated integration.
  • DSPs digital signal processors
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the processor may be a central processing unit (CPU), and the processor may also be other general-purpose processors, digital signal processors (DSPs), and dedicated integration.
  • DSPs digital signal processors
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read only memory (ROMM), an erasable programmable read only memory (erasable PROM, EPROM), or an electrical Erase programmable EPROM (EEPROM) or flash memory.
  • the volatile memory can be a random access memory (RAM) that acts as an external cache.
  • RAM random access memory
  • RAM random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • synchronous dynamic randomness synchronous dynamic randomness.
  • Synchronous DRAM SDRAM
  • DDR SDRAM double data rate synchronous DRAM
  • ESDRAM enhanced synchronous dynamic random access memory
  • SLDRAM synchronous connection dynamic random access memory Take memory
  • DR RAM direct memory bus random access memory
  • the above embodiments may be implemented in whole or in part by software, hardware, firmware or any other combination.
  • the above-described embodiments may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions.
  • the computer program instructions When the computer program instructions are loaded or executed on a computer, the processes or functions described in accordance with embodiments of the present application are generated in whole or in part.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored in a computer readable storage medium or transferred from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions can be from a website site, computer, server or data center Transfer to another website site, computer, server, or data center by wire (eg, infrared, wireless, microwave, etc.).
  • the computer readable storage medium can be any available media that can be accessed by a computer or a data storage device such as a server, data center, or the like that contains one or more sets of available media.
  • the usable medium can be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a DVD), or a semiconductor medium.
  • the semiconductor medium can be a solid state hard drive.
  • the size of the sequence numbers of the foregoing processes does not mean the order of execution sequence, and the order of execution of each process should be determined by its function and internal logic, and should not be applied to the embodiment of the present application.
  • the implementation process constitutes any limitation.
  • the disclosed systems, devices, and methods 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, and may be in an electrical, mechanical or other form.
  • 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 purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application 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 functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used 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 application.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a removable hard disk, a read only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

Landscapes

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

Abstract

本申请提供了一种通信方法、终端设备和网络设备，该方法包括：终端设备接收网络设备发送的第一指示信息，所述第一指示信息用于指示传输所述终端设备的参考信号的第一时频资源；所述终端设备接收所述网络设备发送的第二指示信息，所述第二指示信息用于指示第二时频资源；所述终端设备根据所述第二指示信息确定所述第一时频资源内是否包含第三时频资源，所述第三时频资源为：所述第一时频资源与所述第二时频资源同时包含的时频资源，或者与所述第二时频资源相邻的时频资源，或者与所述第二时频资源的间隔小于预先设置的第一间隔，或者与所述第二时频资源相关的时频资源。以便终端设备进一步确定是否使用第三时频资源上的信号。

Description

通信方法、终端设备和网络设备
本申请要求于2017年06月15日提交中国专利局、申请号为201710454129.3、申请名称为“通信方法、终端设备和网络设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信领域，并且更具体地，涉及通信方法、终端设备和网络设备。
背景技术
参考信号(Reference Signal，RS)，又称“导频信号”。在长期演进(Long Term Evolution，LTE)系统中，终端设备在传输参考信号的时频资源上接收到参考信号后，会直接使用参考信号，以实现信道估计、信道探测或数据解调等目的。
然而，在5G通信系统中，存在多种不同类型的业务，不同类型的业务所需的传输需求不同，为了满足不同类型的业务的传输需求，会存在干扰或资源抢占(preemption)的情况。例如，在网络设备在传输增强型移动宽带(enhanced mobile broadband，eMBB)业务的数据的过程中，有高可靠低时延通信(ultra reliable and low latency communications，URLLC)业务的数据需要传输，网络设备为了满足传输URLLC业务所需的较短的传输时延，网络设备会在已经分配用于传输eMBB业务的数据的时频资源上传输URLLC业务的数据，此时，URLLC业务的数据极有可能占用了原本用于向传输eMBB业务的终端传输参考信号的时频资源。
因此，如果终端设备在传输参考信号的时频资源上接收到信号后，直接使用接收到的信号进行信道估计、信道探测或数据解调，会降低信道估计的、信道探测的、或数据解调可靠性。
发明内容
本申请提供一种通信方法、终端设备和网络设备，有利于提高终端设备进行信道估计、信道探测或数据解调的可靠性。
第一方面，提供了一种通信方法，包括：
终端设备接收网络设备发送的第一指示信息，所述第一指示信息用于指示传输所述终端设备的参考信号的第一时频资源；
所述终端设备接收所述网络设备发送的第二指示信息，所述第二指示信息用于指示第二时频资源；
所述终端设备根据所述第二指示信息确定所述第一时频资源内是否包含第三时频资源，所述第三时频资源为：
所述第一时频资源与所述第二时频资源同时包含的时频资源，或者
与所述第二时频资源相邻的时频资源，或者
与所述第二时频资源的间隔小于预先设置的第一间隔，或者
与所述第二时频资源相关的时频资源。
在本申请实施例中，通过向终端设备发送第二指示信息，使得终端设备确定是否存在第三时频资源，其中，第三时频资源有可能是原本用于传输参考信号，但出现异常的时频资源，以便终端设备进一步确定是否使用第三时频资源接收的信号，避免了现有技术中，终端设备直接将在传输参考信号的时频资源上接收的信号作为参考信号使用，降低信道估计、信道探测的精度或导数数据解调失败。
结合第一方面，在第一方面中的一种可能的实现方式中，所述第二指示信息还用于指示在所述第二时频资源上的信号不可用，和/或，
所述第二指示信息还用于指示重传的编码块或重传的编码块组CBG，所述重传的编码块或重传的CBG在前一次传输时所占用的时频资源为第二时频资源。
结合第一方面，在第一方面中的一种可能的实现方式中，所述参考信号用于所述终端设备确定信道状态信息；
所述方法还包括：
当所述第一时频资源内包含所述第三时频资源时，所述终端设备不向所述网络设备发送所述信道状态信息；或者
当所述第一时频资源内包含所述第三时频资源时，所述终端设备向所述网络设备发送所述信道状态信息和第三指示信息，所述第三指示信息用于指示所述信道状态信息失效；或者
当所述第三时频资源在所述第一时频资源中的占比达到或超过第一阈值时，所述终端设备不向所述网络设备发送所述信道状态信息；或者
当所述第三时频资源在所述第一时频资源中的占比达到或超过第一阈值时，所述终端设备向所述网络设备发送所述信道状态信息和第三指示信息，所述第三指示信息用于指示所述信道状态信息失效。
结合第一方面，在第一方面中的一种可能的实现方式中，所述参考信号用于所述终端设备确定信道状态信息；
所述方法还包括：
当所述第三时频资源在所述第一时频资源中的占比未达到或未超过第一阈值时，所述终端设备向所述网络设备发送所述信道状态信息，所述信道状态信息是利用所述第一时频资源中除所述第三时频资源以外的至少一部分获取的；或
所述终端设备向所述网络设备发送所述信道状态信息，所述信道状态信息是利用所述第一时频资源中除所述第三时频资源以外的至少一部分获取的。
结合第一方面，在第一方面中的一种可能的实现方式中，所述信道状态信息与第一频域资源相关，所述第一频域资源小于或等于系统带宽。
结合第一方面，在第一方面中的一种可能的实现方式中，所述参考信号用于所述终端设备解调至少一个信息块；
所述方法还包括：
当所述第一时频资源内包含所述第三时频资源时，所述终端设备不使用所述第三时频 资源上的信号解调所述至少一个信息块，或不解调所述至少一个信息块；和/或
当所述第三时频资源在所述第一时频资源中的占比达到或超过第二阈值时，所述终端设备不解调所述至少一个信息块；和/或
当所述第三时频资源在所述第一时频资源中的占比未达到或未超过第二阈值时，所述终端设备使用所述第一时频资源除所述第三时频资源以外的至少一部分时频资源上的信号解调所述至少一个信息块。
结合第一方面，在第一方面中的一种可能的实现方式中，所述参考信号仅包括第一解调参考信号，或者所述参考信号包括第一解调参考信号和第二解调参考信号，
其中，所述第一解调参考信号为用于解调所述至少一个信息块的基础解调参考信号，所述第二解调参考信号为用于解调所述至少一个信息块的额外解调参考信号。
结合第一方面，在第一方面中的一种可能的实现方式中，所述参考信号用于所述终端设备解调至少一个信息块，所述参考信号包括第一解调参考信号和第二解调参考信号，其中，所述第一解调参考信号为用于解调所述至少一个信息块的基础解调参考信号，所述第二解调参考信号为用于解调所述至少一个信息块的额外解调参考信号，所述第一解调参考信号占用所述第一时频资源的第一部分，所述第二解调参考信号占用所述第一时频资源的第二部分；
所述方法还包括：
当所述第一部分内包含所述第三时频资源时，所述终端设备不使用所述第三时频资源上的信号解调所述至少一个信息块，或不解调所述至少一个信息块；和/或
当所述第三时频资源与所述第一部分的第一交集在所述第一部分中的占比达到或超过第三阈值时，所述终端设备不解调所述至少一个信息块；和/或
当所述第三时频资源与所述第一部分的第一交集在所述第一部分中的占比未达到或未超过第三阈值时，所述终端设备使用所述第一部分除所述第一交集以外的至少一部分时频资源上的信号解调所述至少一个信息块；和/或
当所述第二部分内包含所述第三时频资源时，所述终端设备不使用所述第三时频资源上的信号解调所述至少一个信息块，或不解调所述至少一个信息块；和/或
当所述第三时频资源与所述第二部分的第二交集在所述第二部分中的占比达到或超过第四阈值时，所述终端设备不使用所述第二解调参考信号解调所述至少一个信息块；和/或
当所述第三时频资源与所述第二部分的第二交集在所述第二部分中的占比未达到或未超过第四阈值时，所述终端设备使用所述第二部分除所述第二交集以外的至少一部分时频资源上的信号解调所述至少一个信息块。
结合第一方面，在第一方面中的一种可能的实现方式中，所述参考信号用于计算相位误差，所述方法还包括：
所述终端设备不使用所述参考信号计算所述相位误差；或
当所述第三时频资源在所述第一时频资源中的占比超过第五阈值时，所述终端设备不使用所述参考信号计算所述相位误差；或
当所述第三时频资源在所述第一时频资源中的占比未超过或未达到第五阈值时，所述终端设备使用所述参考信号计算所述相位误差。
结合第一方面，在第一方面中的一种可能的实现方式中，上述第一阈值，第二阈值，第三阈值，第四阈值和第五阈值中的至少一个阈值可以由通信标准协议规范预定义或者由网络设备通过信令为终端设备配置。其中，由网络设备通过信令为终端设备配置时，网络设备可以通过物理层控制信令、或MAC层信令、或RRC层信令为终端设备配置。
第二方面，提供一种通信方法，包括：
网络设备向终端设备发送第一指示信息，所述第一指示信息用于指示传输所述终端设备的参考信号的第一时频资源；
所述网络设备向所述终端设备发送第二指示信息，所述第二指示信息用于指示第二时频资源，所述第二指示信息还用于确定所述第一时频资源内是否包含第三时频资源，所述第三时频资源为：
所述第一时频资源与所述第二时频资源同时包含的时频资源，或者
与所述第二时频资源相邻的时频资源，或者
与所述第二时频资源的间隔小于预先设置的第一间隔，或者
与所述第二时频资源相关的时频资源。
在本申请实施例中，通过向终端设备发送第二指示信息，使得终端设备确定是否存在第三时频资源，其中，第三时频资源有可能是原本用于传输参考信号，但出现异常的时频资源，以便终端设备进一步确定是否使用第三时频资源接收的信号，避免了现有技术中，终端设备直接将在传输参考信号的时频资源上接收的信号作为参考信号使用，降低信道估计、信道探测的精度或导数数据解调失败。
结合第二方面，在第二方面的一种可能的实现方式中，
所述第二指示信息还用于指示在所述第二时频资源上的信号不可用，和/或，
所述第二指示信息还用于指示重传的编码块或重传的编码块组CBG，所述重传的编码块或重传的CBG在前一次传输时所占用的时频资源为第二时频资源。
结合第二方面，在第二方面的一种可能的实现方式中，所述参考信号用于所述终端设备确定信道状态信息；
所述方法还包括：
当所述第一时频资源内包含所述第三时频资源时，所述网络设备接收所述终端设备发送的所述信道状态信息和第三指示信息，所述第三指示信息用于指示所述信道状态信息失效；或者
当所述第三时频资源在所述第一时频资源中的占比达到或超过第一阈值时，所述网络设备接收所述终端设备发送的所述信道状态信息和第三指示信息，所述第三指示信息用于指示所述信道状态信息失效。
结合第二方面，在第二方面的一种可能的实现方式中，所述参考信号用于所述终端设备确定信道状态信息；
所述方法还包括：
当所述第三时频资源在所述第一时频资源中的占比未达到或未超过第一阈值时，所述网络设备接收所述终端设备发送的所述信道状态信息，所述信道状态信息是利用所述第一时频资源中除所述第三时频资源以外的至少一部分获取的；或
所述网络设备接收所述终端设备发送的所述信道状态信息，所述信道状态信息是利用 所述第一时频资源中除所述第三时频资源以外的至少一部分获取的。
结合第二方面，在第二方面的一种可能的实现方式中，所述信道状态信息与所述第一频域资源相关，所述第一频域资源小于或等于系统带宽。
结合第二方面，在第二方面中的一种可能的实现方式中，上述第一阈值，可以由通信标准协议规范预定义或者由网络设备通过信令为终端设备配置。其中，由网络设备通过信令为终端设备配置时，网络设备可以通过物理层控制信令、或MAC层信令、或RRC层信令为终端设备配置。
第三方面，提供了一种终端设备，所述终端设备包括用于执行第一方面中的各个模块。
第四方面，提供了一种网络设备，所述网络设备包括用于执行第二方面中的各个模块。
第五方面，提供了一种终端设备，包括收发器、处理器和存储器。该处理器用于控制收发器收发信号，该存储器用于存储计算机程序，该处理器用于从存储器中调用并运行该计算机程序，使得该终端设备执行上述第一方面中的方法。
第六方面，提供了一种网络设备，包括收发器、处理器和存储器。该处理器用于控制收发器收发信号，该存储器用于存储计算机程序，该处理器用于从存储器中调用并运行该计算机程序，使得该网络设备执行第二方面中的方法。
第七方面，提供了一种计算机程序产品，所述计算机程序产品包括：计算机程序代码，当所述计算机程序代码被运行时，用于执行上述各方面中的方法。
第八方面，提供了一种计算机可读介质，所述计算机可读介质存储有程序代码，所述程序代码包括用于执行上述各方面中的方法的指令。
第九方面，提供一种芯片，包括处理器和存储器，所述处理器用于执行上述各方面中的方法。
附图说明
图1是本申请实施例应用的无线通信系统100。
图2是URLLC业务的数据抢占用于传输eMBB业务的数据的时频资源的示意图。
图3是本申请实施例的通信方法的示意性流程图。
图4是本申请实施例中第二时频资源与第三时频资源位置关系的示意性结构图。
图5是本申请实施例中第二时频资源与第三时频资源位置关系的示意性结构图。
图6是本申请实施例中第二时频资源与第三时频资源位置关系的示意性结构图。
图7是本申请实施例中第二时频资源与第三时频资源位置关系的示意性结构图。
图8是本申请实施例的一种终端设备的示意性框图。
图9是本申请另一实施例的终端设备的示意性框图。
图10是本申请实施例的一种通信网络设备的示意性结构图。
图11是本申请另一实施例的网络设备的示意性框图。
具体实施方式
下面将结合附图，对本申请中的技术方案进行描述。
图1是本申请实施例应用的无线通信系统100。该无线通信系统100可以包括网络设备110。网络设备110可以是与终端设备通信的设备。网络设备110可以为特定的地理区 域提供通信覆盖，并且可以与位于该覆盖区域内的终端设备120进行通信。
图1示例性地示出了一个网络设备和两个终端，可选地，该无线通信系统100可以包括多个网络设备并且每个网络设备的覆盖范围内可以包括其它数量的终端，本申请实施例对此不做限定。
可选地，该无线通信系统100还可以包括网络控制器、移动管理实体等其它网络实体，本申请实施例对此不作限定。
应理解，本申请的技术方案可以应用于各种通信系统，例如：全球移动通讯(Global System of Mobile communication，GSM)系统、码分多址(Code Division Multiple Access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)系统、通用分组无线业务(General Packet Radio Service，GPRS)、长期演进(Long Term Evolution，LTE)系统、先进的长期演进(Advanced long term evolution，LTE-A)系统、通用移动通信系统(Universal Mobile Telecommunication System，UMTS)、新空口(New Radio Access Technology，NR)、5G等。
还应理解，在本申请实施例中，终端设备可以包括但不限于移动台(Mobile Station，MS)、移动终端(Mobile Terminal)、移动电话(Mobile Telephone)、用户设备(User Equipment，UE)、手机(handset)及便携设备(portable equipment)等，该终端设备可以经无线接入网(Radio Access Network，RAN)与一个或多个核心网进行通信，例如，终端设备可以是移动电话(或称为“蜂窝”电话)、具有无线通信功能的计算机等，终端设备还可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置。
本申请实施例中，网络设备可以是网络设备，例如可以是基站、发射和接收点(Transmit and Receive Point，TRP)或接入点，基站可以是GSM或CDMA中的基站(Base Transceiver Station，BTS)，也可以是WCDMA中的基站(NodeB)，还可以是LTE中的演进型基站(evolved Node B，eNB或e-NodeB)，还可以是NR或5G的基站(gNB)，本申请实施例对此不作具体限定。
为了便于理解，结合图1所示的通信系统简单介绍本申请实施例的通信方法适用的通信场景。应理解，下述场景仅是为了便于理解本申请实施例的通信方法列举的具体场景，本申请实施例对于本申请实施例的通信方法适用的通信场景不做具体限定。
场景一、用于传输参考信号的时频资源被抢占。
典型的URLLC业务通常包含工业制造或生产流程中的无线控制、无人驾驶汽车和无人驾驶飞机的运动控制以及远程修理、远程手术等触觉交互类应用。这些业务的主要特点是要求超高可靠性、以及较低的传输延时。URLLC业务的数据包通常为小包(例如，为32、50、200个字节等)，且URLLC业务的数据包的产生具有突发性和随机性，可能在很长一段时间内都不会产生数据包，也可能在很短时间内产生多个数据包。为了满足URLLC业务的传输特性，在通信系统中，可以使用较短的时间调度单元对URLLC业务的数据包进行调度，例如，可以使用符号、迷你时隙(mini-slot)或更大的子载波间隔的时隙作为最小的时间调度单元。
典型的eMBB业务包含网页浏览、数据传输、视频广播、超高清视频)等，这些业务的主要特点是传输数据量大、传输速率很高。因此通常采用较长的时间调度单元进行数据传输以提高传输效率，例如，采用15kHz子载波间隔的一个时隙，对应7个时域符号，对 应的时间长度为0.5ms。URLLC业务数据通常采用较短的时间调度单元，以满足超短时延的需求，例如，采用15kHz子载波间隔的2个时域符号，或者采用60kHz子载波间隔的一个时隙，对应7个时域符号，对应的时间长度为0.125ms。
由于URLLC业务的数据产生的突发性和随机性，为了提高系统资源利用率，在下行传输过程中，网络设备通常不会为URLLC业务的数据预留专用的时频资源，当网络设备中有待发送的URLLC业务的数据时，为了满足传输URLLC业务的数据所需的较短的传输时延，网络设备无法等待将本次调度的eMBB业务的数据传输完成之后，再传输URLLC业务的数据。网络设备通常采用资源抢占的方式，为URLLC业务数据分配时频资源。
图2是URLLC业务的数据抢占用于传输eMBB业务的数据的时频资源的示意图。从图2所示的时频资源的示意图中可以看出，网络设备在已经分配的、用于传输eMBB业务数据的时频资源上选择部分或全部的时频资源传输URLLC业务数据，此时，网络设备在URLLC业务的数据抢占的时频资源上可以不发送eMBB业务的数据。
另外，由于传输URLLC业务所需的较低的时延和较高的可靠性，网络设备可能为URLLC业务选择最合适的频域资源以保证URLLC业务的可靠性。这种情况下，被URLLC业务抢占时频资源的终端设备(可以是传输eMBB业务的数据的终端设备，为便于描述，下面简称“eMBB终端设备”)可能不止一个，并且，不同eMBB终端设备被URLLC业务抢占的时频资源数量占网络设备为其分配的总时频资源的数量的比值也不一样。
当系统负载较轻的时候，网络设备在为URLLC业务的数据抢占时频资源时，可以尽可能避开用于传输eMBB业务的数据的时频资源，或者至少可以避开传输eMBB业务中的重要信号(例如，参考信号)的传输资源。然而，当系统负载较重的时候，网络设备为URLLC业务的数据抢占时频资源时，很难专门避开传输eMBB业务的数据过程中用于传输参考信号的时频资源。此时，如果eMBB终端设备直接使用在被抢占的时频资源上接收的信号进行信道估计、信道探测或者数据解调，在一定程度上，会降低信道估计或者信道探测的精度、或者导致数据解调失败。
场景二、用于传输信号(例如参考信号或数据信号等)的时频资源被空置。
网络设备在将时频资源分配给终端设备传输参考信号后，又决定利用该时频资源完成其它的操作，例如，在该时频资源上测量邻小区的干扰，最终，该原本用来传输参考信号的时频资源被空置，也就是说，网络设备在该原本约定好用来传输信号的时频资源上没有传输该信号，也没有传输其它信号。
此时，终端设备依然会在被空置的时频资源上接收该信号，执行无谓的终端行为。
场景三、用于传输信号(例如参考信号或数据信号)的时频资源上传输该信号及其它信号。
1、当其它信号对于终端设备而言是“有用的信号”时，也就是说，在给该终端设备传输该信号的时频资源上同时传输该信号和其它信号(可以理解为复用传输该信号的时频资源)。
应理解，发送其它信号和该信号的网络设备可以是相同的网络设备，发送其它信号和该信号的网络设备也可以是不同的网络设备；或者其它信号的发送端可以为其它终端设备。
还应理解，该信号和其它信号可以使用不同的信号特征，例如，通过不同的调制方式 发送该信号和其它信号，或者通过不同的波束发送该信号和其它信号，以便终端设备可以在传输该信号的时频资源上区分该信号和其它信号。
此时，如果终端设备在用于传输该信号的时频资源上，依然只接收该信号，可能会遗漏接收“有用的信号”，即其它信号。
2、当其它信号对于终端设备而言是干扰信号时，如果干扰信号对该信号的干扰程度较高时，例如，干扰信号的发送功率较大时，会影响该信号的接收可靠性。
若该信号是参考信号，此时，如果终端设备依然直接使用接收到的“不可靠”的参考信号，会降低信道估计或者信道探测的精度、或者导致数据解调失败。若该信号是数据信号，如果终端设备依然直接使用接收到的“不可靠”的数据信号，会降低该数据信号的正确译码概率。
为了在一定程度上解决上述不同通信场景中的问题，下文结合图3，详细描述本申请实施例的通信方法。
图3是从设备交互的角度示出的本申请实施例的通信方法的示意性流程图。应理解，图3示出了本申请实施例的通信方法的通信步骤或操作，但这些步骤或操作仅是示例，本申请实施例还可以执行其它操作或者图3中的各种操作的变形。此外，图3中的各个步骤可以按照与图3呈现的不同的顺序来执行，并且有可能并非要执行图3中的全部操作。
310，网络设备向终端设备发送第一指示信息，所述第一指示信息用于指示传输所述终端设备的参考信号的第一时频资源。
具体地，上述第一时频资源可以是用于传输所述终端设备的所述参考信号的全部或者部分时频资源。例如，所述第一时频资源可以是传输同一种参考信号的时频资源。又例如，通信系统为多天线系统，同一种参考信号对应多个端口时，所述第一时频资源还可以是传输同一个端口的参考信号的时频资源。
上述参考信号可以是下列参考信号中的至少一种：信道状态信息参考信号(Channel State Information-Reference Signal，CSIRS)、解调参考信号(Demodulation Reference Signal，DMRS)、相位追踪参考信号(Phase-tracking reference signal，PTRS)等。
上述CSIRS用于终端设备测量至少一种信道状态信息，所述CSIRS还可以是用于测量干扰的参考信号，例如，信道状态信息-干扰测量(CSI-interference measurement,CSI-IM)参考信号；所述CSIRS还可以是零功率参考信号，即网络设备在该零功率参考信号对应的时频资源位置不发送信号，例如零功率信道状态信息参考信号(Zero-power CSI-RS,ZP CSIRS)；所述CSIRS还可以是用于测量波瓣质量的参考信号，例如，波瓣状态信息参考信号(Beam State Information Reference Signal，BSIRS)。
上述DMRS用于所述终端设备解调数据和/或控制信息。具体地，解调可以包括根据所述DMRS进行信道估计，利用该信道估计对所述数据和/或控制信息的接收信号解调(或者说，解星座映射等)，进一步地，还可以包括根据所述解调后信号实施译码等。
上述PTRS用于所述终端设备估计接收的信号中的相位噪声(或者，相位误差，相位偏差等)。进一步地，所述终端设备还可以利用该估计结果对接收信号中的相位噪声进行处理，例如纠正或者补偿该相位噪声等。
需要说明的是，上述参考信号除了可以是现有的通信系统中的上述参考信号之外，还可以是未来通信系统中与上述参考信号具有相同功能的信号。
针对不同类型的参考信号，上述第一指示信息的具体呈现形式不同。
当上述参考信号为CSI-RS时，上述第一指示信息可以是无线资源控制(Radio Resource Control，RRC)信令中承载的指示终端设备上报信道状态信息的配置信息，该配置信息用于指示终端设备如何上报信道状态信息，例如上报信道状态信息的内容和上报信道状态信息的时机等，终端设备可以根据该配置信息确定用于确定信道状态信息的CSI-RS信号所在时频资源位置；上述第一指示信息还可以是指示终端设备一次性上报信道状态信息的下行控制信息(Downlink Control Information，DCI)；上述第一指示信息还可以是RRC信令承载的配置终端设备CSI-RS所在时频资源的位置的信息，例如CSI-RS所在的时间单位位置、时频图案等。
当上述参考信号为DMRS时，上述第一指示信息可以是DCI，该DCI用于调度数据的传输，终端设备根据该用于调度数据传输的DCI确定用于解调该数据的DMRS所在的第一时频资源。
需要说明的是，若用于解调数据的部分或者全部DMRS还用于解调该第一指示信息，在终端设备确定第一指示信息的发送后，终端设备可以根据该第一指示信息的存在确定所述DMRS的存在进而确定第一时频资源，或者说，终端设备根据第一指示信息的存在确定第一时频资源上承载有DMRS。
当上述参考信号为PTRS时，上述第一指示信息可以是RRC信令的配置信息，该配置信息用于配置传输PT-RS的时频资源，或者说该配置信息用于配置传输PT-RS的发送时机和发送位置；或者上述第一信息还可以是DCI中的指示信息，该指示信息用于指示由该DCI调度传输的数据信号中携带PT-RS。
320，网络设备向终端设备发送第二指示信息，所述第二指示信息用于指示第二时频资源。
可选地，所述第二指示信息还用于指示在所述第二时频资源上的信号不可用，和/或，所述第二指示信息还用于指示重传的编码块或重传的编码块组CBG，所述重传的编码块或重传的CBG在前一次传输时所占用的时频资源为第二时频资源。
具体地，上述第二指示信息还用于指示在所述第二时频资源上的信号不可用。所述第二时频资源上的信号不可用可以指所述第二时频资源出现异常，或者所述第二时频资源传输的信号需要特殊处理等。所述第二时频资源上的信号不可用，还可以指在第二时频资源上未发送原定于在第二时频资源上发送的信号，而发送了其它信号。或者，所述第二时频资源上的信号不可用，可以指在第二时频资源上既没有发送原定于在第二时频资源上发送的信号，也没有发送其它信号。或者，所述第二时频资源上的信号不可用，是指第二时频资源上发送了原定信号，同时第二时频资源上还发送有其它信号，该其它信号可以是对于所述终端设备有用的信号也可以是干扰信号。
需要说明的是，上述“原定于在第二时频资源上发送的信号”可以指，在第二时频资源所在的时域位置之前网络设备已经通过(物理层、RRC层、多媒体控制层)信令向终端设备指示过第二时频资源用于发送的信号。上述“原定于在第二时频资源上发送的信号”还可以指，由通信标准规范预定义的第二时频资源用于发送的信号。
上述第二指示信息还可以为资源指示信息，也就是说，第二指示信息可以直接指出其信号不可用的时频资源。
例如，第二指示信息作为资源指示信息时，可以通过位图文件(bitmap)的方式指示第二时频资源，也就是说，不同的时频资源(例如，资源粒子(Resource Element，RE))可以对应不同的比特位，通过不同比特位的取值指示第二时频资源。上述第二指示信息还可以采用一个包含N个比特位的字段指示第二时频资源，可以通过N个比特位的M个状态指示第二时频资源，其中，M≤2 N。
上述第二指示信息还用于指示重传的编码块或重传的编码块组(Coding Block Group，CBG)，或者说，上述第二指示信息还可以是用于指示重传的编码块或重传的编码块组CBG的指示信息。所述重传的编码块或重传的CBG在此前的一次传输(例如，前一次传输)时所占用的时频资源为第二时频资源，可以理解为，第二指示信息指示的重传的编码块或重传的CBG，在此前一次的传输过程中，所占用的至少部分时频资源被用于传输其它信号；或第二指示信息指示的重传的编码块或重传的CBG，在此前一次的传输过程中，所占用的至少部分时频资源被空置；或第二指示信息指示的重传的编码块或重传的CBG，在此前一次的传输过程中，所占用的至少部分时频资源被干扰。
进一步地，终端设备还接收来自网络设备的第二控制信息。所述第二控制信息包括上述第二指示信息。所述第二控制信息还用于调度上述由第二指示信息指示的重传的编码块或重传的编码块组CBG的传输。
应理解，上述编码块可以是网络设备调度终端设备进行物理层数据传输时，实际传输的是一个或者多个信息块被划分形成的，且一个编码块组至少包含一个编码块。所述信息块可以是传输块，或者，编码块，或者，编码块组。
需要说明的是，上述第二指示信息可以是专门向终端设备发送的，还可以是向终端设备所在的终端设备集合发送的，例如，通过组播的形式向终端设备发送。
330，所述终端设备根据所述第二指示信息确定所述第一时频资源内是否包含第三时频资源，所述第三时频资源为：所述第一时频资源与所述第二时频资源同时包含的时频资源，或者与所述第二时频资源相邻的时频资源，或者与所述第二时频资源的间隔小于预先设置的第一间隔，或者与所述第二时频资源相关的时频资源。
具体地，若上述第二指示信息作为上文中提到的资源指示信息，第二指示信息指示的第二时频资源与第三时频资源可以是相同的时频资源，或者，第三时频资源为第二时频资源的子集，或者第三时频资源为空。终端设备可以根据第一时频资源和第二时频资源是否有交集判断第一时频资源内是否包含第三时频资源。若第一时频资源和第二时频资源有交集，终端设备确定第一时频资源内包含第三时频资源，且第三时频资源为第一时频资源和第二时频资源有交集，或者说，第三时频资源为第一时频资源与第二时频资源同时包含的时频资源。
若上述第二指示信息指示重传的编码块或重传的CBG，终端设备可以通过以下至少一种方法判断第一时频资源是否包含第三时频资源：
若第二指示信息指示的第二时频资源包含第三时频资源；或者第二时频资源和第三时频资源相邻；或者第二时频资源和第三时频资源之间的间隔小于预先设置的第一间隔；或者第二时频资源与第三时频资源相关，则终端设备可以确定第一时频资源包括第三时频资源。
应理解，上述第二时频资源与第三时频资源相关，可替换的，在第三时频资源上传输 的参考信号用于解调与在第二时频资源上传输的至少部分数据。
还应理解，上述第三时频资源可以为第一时频资源，或者上述第三时频资源属于第一时频资源。
例如，结合图4和图5举例说明所述第三时频资源与第二时频资源的相对位置。图4和图5是本申请实施例中第二时频资源与第三时频资源位置关系的示意性结构图。在图4和图5中，第二时频资源和第三时频资源的相对位置存在两种情况：
情况1，当第二指示信息通过指示传输重传的编码块或编码块组，进一步指示传输重传的编码块或编码块组的时频资源时，图4和图5中示出的第二时频资源和第三时频资源相邻。
终端设备可以根据第二指示信息确定在第一次准备传输目标编码块的过程中，用于传输目标编码块的第二时频资源被网络网络设备重新分配，用于传输URLLC业务的数据，所以需要重新传输目标编码块，即重新传输的目标编码块为上文中重传的编码块。由于网络设备在为传输URLLC业务的数据重新分配(抢占)时频资源时，通常会抢占连续的多个时频资源，且第二时频资源包围原本用于传输参考信号的第三时频资源，因此，终端设备可以确定第三时频资源极有可能被网络设备抢占，用于传输URLLC业务的数据，因此，在上一次传输目标编码块的过程中(预定使用第二时频资源传输目标编码块的过程中)，第三时频资源上的信号不可用。
情况2，当第二指示信息通过指示传输重传的编码块或编码块组，进一步指示传输传的编码块或编码块组的时频资源所在的连续的时频资源区域时，图4和图5中示出的第二时频资源和第三时频资源相邻。
终端设备可以根据第二指示信息确定在第一次准备传输目标编码块的过程中，用于传输目标编码块的第二时频资源被网络设备抢占，用于传输URLLC业务的数据，所以需要重新传输目标编码块，即重新传输的目标编码块为上文中重传的编码块。由于第二时频资源包含原本用于传输参考信号的第三时频资源，因此，终端设备可以确定第三时频资源被网络设备抢占，用于传输URLLC业务的数据，因此，在上一次传输目标编码块的过程中(预定使用第二时频资源传输目标编码块的过程中)，第三时频资源上的信号不可用。
又例如，结合图6说明第二时频资源与第三时频资源相邻的情况。图6是本申请实施例中第二时频资源与第三时频资源位置关系的示意性结构图。终端设备可以根据第二指示信息确定在第一次准备传输目标编码块的过程中，用于传输目标编码块的第二时频资源被网络设备抢占，用于传输URLLC业务的数据。由于原本用于传输参考信号的第三时频资源与第二时频资源相邻，终端设备可以确定第三时频资源被网络设备抢占，用于传输URLLC业务的数据的概率较高，因此，在第一次传输目标编码块的过程中，第三时频资源上的信号不可用。
应理解，上述相邻是指，所述第三时频资源中的一个RE，与其相邻的RE中至少又一个属于第二时频资源。
又例如，结合图7举例说明第二时频资源和第三时频资源之间的间隔小于预先设置的第一间隔的情况。图7是本申请实施例中第二时频资源与第三时频资源位置关系的示意性结构图。终端设备可以根据第二指示信息确定在第一次准备传输目标编码块的过程中，用于传输目标编码块的第二时频资源被网络设备抢占，用于传输URLLC业务的数据。由于 网络设备在为传输URLLC业务的数据抢占时频资源时，通常会抢占连续的多个时频资源，参见图7中时频资源间隔小于第一间隔的第二时频资源和第三时频资源，因此，当第二指示信息指示的图7中的第二时频资源时，与第二时频资源的间隔小于预先设置的第一间隔的第三时频资源极有可能也被网络设备抢占，用于传输URLLC业务的数据。因此，在第一次传输目标编码块的过程中，第三时频资源上传输的信号不可用。
需要说明的是，上述第三时频资源上的信号不可用的情况可以指第三时频资源上传输的URLLC业务的数据，或者第三时频资源上传输的参考信号受URLLC业务的数据的干扰较大。
在本申请实施例中，通过向终端设备发送第二指示信息，使得终端设备确定是否存在第三时频资源，其中，第三时频资源有可能是原本用于传输参考信号，但出现异常的时频资源，以便终端设备进一步确定是否使用第三时频资源接收的信号，避免了现有技术中，终端设备直接将在传输参考信号的时频资源上接收的信号作为参考信号使用，降低信道估计、信道探测的精度或导数数据解调失败。
可选地，作为一个实施例，所述方法还包括：所述终端设备在传输所述参考信号的时频资源上接收第一信号；所述终端设备根据所述第二指示信息，确定所述第一信号包括干扰信号和所述参考信号；或所述终端设备根据所述第二指示信息，确定所述第一信号为所述干扰信号；所述终端设备根据所述第二指示信息，对所述参考信号进行处理，所述处理包括确定所述参考信号的作用失效或继续使用所述参考信号。
可选地，作为一个实施例，所述第二指示信息用于指示在所述第三时频资源上的信号包括参考信号和第二信号，所述方法还包括：所述终端设备在所述第三时频资源上接收第二信号；所述终端设备接收所述第二信号且所述终端设备继续使用所述参考信号。
通过复用第三时频资源，传输参考信号和第二信号，以提高系统资源的利用率。
可选地，作为一个实施例，所述参考信号用于所述终端设备确定信道状态信息；
所述方法还包括：
当所述第一时频资源内包含所述第三时频资源时，所述终端设备不向所述网络设备发送所述信道状态信息；或者
当所述第一时频资源内包含所述第三时频资源时，所述终端设备向所述网络设备发送所述信道状态信息和第三指示信息，所述第三指示信息用于指示所述信道状态信息失效；或者
当所述第三时频资源在所述第一时频资源中的占比达到或超过第一阈值时，所述终端设备不向所述网络设备发送所述信道状态信息；或者
当所述第三时频资源在所述第一时频资源中的占比达到或超过第一阈值时，所述终端设备向所述网络设备发送所述信道状态信息和第三指示信息，所述第三指示信息用于指示所述信道状态信息失效。
具体地，上述当所述第一时频资源内包含所述第三时频资源时，可以理解为，传输参考信号的至少部分时频资源(即，第三时频资源)出现异常(例如被占用，被空置等)时。上述第三时频资源在第一时频资源中的占比，可以指第三时频资源中资源元素(Resource Element，RE)的数量与第一时频资源中RE数量之间的比值，还可以指，该终端设备用于传输参考信号的时频资源中出现异常(例如被占用，被空置等)的时频资源数量与该终端 设备用于传输参考信号的时频资源总量之间的比值。
需要说明的是，上述信道状态信息和第三指示信息可以是两条独立的信息，或者信道状态信息携带第三指示信息，例如，可以通过信道状态信息中的1个比特位作为第三指示信息，或者，通过信道状态信息的一个状态值作为第三指示信息。
本申请实施例中，终端设备可以根据传输参考信号的时频资源出现异常(例如被占用，被空置等)的数量，确定信道状态信息的精度，当信道状态信息的精度不高时，终端设备可以不向网络设备发送信道状态信息，或者指示网络设备信道状态信息失效，来避免网络设备使用精度不够的状态指示信息。
需要说明的是，在一个例子中，上述信道状态信息与第一频域资源相关。所述第一频域资源小于或等于系统带宽。例如，上述信道状态信息可以是CQI、PMI和RI等中的至少一种时，上述参考信号可以是用于测量宽带的信道状态的参考信号，上述参考信号还可以是测量子带的信道状态的参考信号。在另外一个例子中，上述信道状态信息仅用于终端设备向网络设备反馈与频域资源无关的信息，例如波瓣状态信息等。
可选地，作为一个实施例，所述参考信号用于所述终端设备确定信道状态信息；所述方法还包括：当所述第三时频资源在所述第一时频资源中的占比未达到或未超过第一阈值时，所述终端设备向所述网络设备发送所述信道状态信息，所述信道状态信息是利用所述第一时频资源中除所述第三时频资源以外的至少一部分获取的。
应理解，上述第三时频资源在第一时频资源中的占比，可以指第三时频资源中RE的数量与第一时频资源中RE数量之间的比值，还可以指，该终端设备用于传输参考信号的时频资源中出现异常(例如被占用，被空置等)的时频资源数量与该终端设备用于传输参考信号的时频资源总量之间的比值。
可选地，作为一个实施例，所述参考信号用于所述终端设备确定信道状态信息；所述方法还包括：所述终端设备向所述网络设备发送所述信道状态信息，所述信道状态信息是利用所述第一时频资源中除所述第三时频资源以外的至少一部分获取的。
具体地，终端设备可以丢弃第三时频资源上接收的信号，使用第一时频资源中除第三时频资源之外的时频资源上接收的参考信号，计算第一频域资源的信道状态信息。
需要说明的是，所述终端设备确定的信道状态信息包括以下信息中的至少一种，信道状态信息(Channel State Information，CSI)，信道质量索引(Channel Quality Index)信息，预编码指示(Precoding Matrix Indicator，PMI)信息，秩指示(Rank Indicato，RI)信息，波瓣质量信息等。
具体地，所述CSI可以专指用于反应信道状态的信息，也可以是其它信息中的一种或者多种的统称。所述CQI用于终端设备向网络设备反馈编码调制方案(或效率)索引，该索引用于指示与该索引对应的一段频域资源的信道质量。所述PMI用于终端设备向网络设备反馈一段频域资源的信道适合的预编码矩阵或者预编码矩阵索引。所述RI用于终端设备向网络设备反馈一段频域资源的信道能够支持的多天线传输的层数(或者秩数)。所述波瓣质量信息用于所述终端设备向网络设备反馈至少一个波瓣对应的信道质量。
下文以用于终端设备解调至少一个信息块的参考信号为例，详细描述本申请实施例的通信方法。
为了便于理解，先简单介绍本申请实施例中涉及的参考信号：
下文中涉及的第一解调参考信号可以是基础(Basic)DMRS，还可以是前置(front-loaded)DMRS，又可以称为前(front)DMRS、普通(normal)DMRS、或者常规(regular)DMRS等。在时域上，传输基础DMRS的时频资源可以位于使用该基础DMRS解调的数据所在时频资源之前，或者该数据信道所在时频资源对应的时域单位的前部。
下文中涉及的第二解调参考信号可以是额外(Additional)DMRS，又可以称为后置(post-loaded or postposition)DMRS，或者后(post)DMRS等。在时域上，用于传输附加DMRS的时频资源位于使用该附加DMRS解调的数据所在时频资源对应的时域传输的后部。并且附加DMRS是可选的DMRS，也就是说，不是所有数据传输的时候都有对应的额外DMRS。网络设备可以向终端设备发送指示信息，以指示终端设备在接收到该指示信息之后会有额外DMRS与数据一起发送，或者，网络设备通过该指示信息指示终端设备，在接收到该指示信息之后不会有额外DMRS与数据一起发送。当终端设备处于信道变化较快的或者信道质量较差的信号传播环境时，额外DMRS用来帮助终端设备提高信道估计精度，增加数据信道接收可靠性，从而减小重传次数，进而提高系统的时频资源使用效率。当终端设备处于信道编码较慢的或者信道质量较好的信号传播环境时，使用基础DMRS即可获得足够好的信道估计精度，则不需要发送额外DMRS。
还应理解，对于一次数据传输，基础DMRS的配置优先级高于额外DMRS。具体地，网络设备对基础DMRS进行配置，例如该DMRS的序列生成参数或者该DMRS发送的时频位置等。每一次数据传输都会有基础DMRS与该数据一起发送。而额外DMRS只有在网络设备向终端设备指示其存在(或者说指示额外DMRS被激活/被使能/标记为可用等)，数据传输中才会有基础DMRS和额外DMRS与该数据一起发送。
可选地，作为一个实施例，所述参考信号用于所述终端设备解调至少一个信息块，所述方法还包括：当所述第一时频资源内包含所述第三时频资源时，所述终端设备不使用所述第三时频资源上的信号解调所述至少一个信息块，或不解调所述至少一个信息块。
具体地，当传输参考信号的第一时频资源包含第三时频资源，即第三时频资源出现异常(例如，被占用，或被空置等)，或者，第三时频资源上的参考信号被干扰，终端设备可以不使用第三时频资源上的信号对部分或全部信息块进行解调。
或者，当传输参考信号的第三传输资源出现异常(例如，被占用，或被空置等)，或者，第三时频资源上的参考信号被干扰，终端设备可以不解调所述至少一个信息块进行解调。
应理解，网络设备调度终端设备进行物理层数据传输时，实际传输的是一个或者多个信息块。一个信息块包含若干信息比特。根据该信息比特的数目，该信息比特被分为一个或者多个编码块。一个编码块内的信息比特经过一次信道编码，生成信道编码比特。一个编码块组至少包含一个编码块。上述“信息块”可以是一个或者多个传输块，也可以是一个或者多个编码块，还可以是一个或者多个编码块组。
可选地，作为一个实施例，所述参考信号用于所述终端设备解调至少一个信息块，所述方法还包括：当所述第三时频资源在所述第一时频资源中的占比达到或超过第二阈值时，所述终端设备不解调所述至少一个信息块。
应理解，上述第三时频资源在第一时频资源中的占比，可以指第三时频资源中RE的数量与第一时频资源中RE数量之间的比值，还可以指，该终端设备用于传输参考信号的 时频资源中出现异常(例如被占用，被空置等)的时频资源数量与该终端设备用于传输参考信号的时频资源总量之间的比值。
可选地，作为一个实施例，所述参考信号用于所述终端设备解调至少一个信息块，所述方法还包括：当所述第三时频资源在所述第一时频资源中的占比未达到或未超过第二阈值时，所述终端设备使用所述第一时频资源除所述第三时频资源以外的至少一部分时频资源上的信号解调所述至少一个信息块。
具体地，终端设备使用的第一时频资源除所述第三时频资源以外的时频资源，可以理解为正常传输参考信号的时频资源。也就是说，终端设备可以使用在未出现异常(例如，被占用，或被空置等)的传输资源上接收的参考信号对至少一个信息块进行解调。
应理解，上述第三时频资源在第一时频资源中的占比，可以指第三时频资源中RE的数量与第一时频资源中RE数量之间的比值，还可以指，该终端设备用于传输参考信号的时频资源中出现异常(例如被占用，被空置等)的时频资源数量与该终端设备用于传输参考信号的时频资源总量之间的比值。
可选地，所述参考信号仅包括第一解调参考信号，或者所述参考信号包括第一解调参考信号和第二解调参考信号，所述第一解调参考信号为用于解调所述至少一个信息块的基础解调参考信号，所述第二解调参考信号为用于解调所述至少一个信息块的额外解调参考信号。
例如，第三时频资源用于传输至少部分的第一解调参考信号和至少部分的第二解调参考信号，但是第三时频资源在所述第一时频资源中的占比未达到或未超过第二阈值，终端设备可以使用参考信号对信息块进行解调。减小信息块的重传次数，进而提高系统的时频资源使用效率。
可选地，所述参考信号用于所述终端设备解调至少一个信息块，所述参考信号包括第一解调参考信号和第二解调参考信号，其中，所述第一解调参考信号为用于解调所述至少一个信息块的基础解调参考信号，所述第二解调参考信号为用于解调所述至少一个信息块的额外解调参考信号，所述第一解调参考信号占用所述第一时频资源的第一部分，所述第二解调参考信号占用所述第一时频资源的第二部分；
所述方法还包括：
当所述第一部分内包含所述第三时频资源时，所述终端设备不使用所述第三时频资源上的信号解调所述至少一个信息块，或不解调所述至少一个信息块；和/或
当所述第三时频资源与所述第一部分的第一交集在所述第一部分中的占比达到或超过第三阈值时，所述终端设备不解调所述至少一个信息块；和/或
当所述第三时频资源与所述第一部分的第一交集在所述第一部分中的占比未达到或未超过第三阈值时，所述终端设备使用所述第一部分除所述第一交集以外的至少一部分时频资源上的信号解调所述至少一个信息块；和/或
当所述第二部分内包含所述第三时频资源时，所述终端设备不使用所述第三时频资源上的信号解调所述至少一个信息块，或不解调所述至少一个信息块；和/或
当所述第三时频资源与所述第二部分的第二交集在所述第二部分中的占比达到或超过第四阈值时，所述终端设备不使用所述第二解调参考信号解调所述至少一个信息块；和/或
当所述第三时频资源与所述第二部分的第二交集在所述第二部分中的占比未达到或未超过第四阈值时，所述终端设备使用所述第二部分除所述第二交集以外的至少一部分时频资源上的信号解调所述至少一个信息块。
例如，若上述第一部分内包含所述第三时频资源时，即原本用于传输第一解调参考信号(即基础DMRS)的时频资源出现异常，终端设备可以不使用第三时频资源上的信号解调所述至少一个信息块，或者终端设备直接不解调至少一个信息块。也就是说，由于原本用于传输基础DMRS的时频资源(即第三时频资源)出现异常，终端设备可以不使用第三时频资源上的信号解调所述至少一个信息块，或者终端设备直接不解调至少一个信息块。
又例如，若出现异常的时频资源(即第三时频资源)中至少部分时频资源用于传输第一解调参考信号，并且第三时频资源与第一部分的第一交集在所述第一部分中的占比达到或超过第三阈值时，也就是说，原本用于传输第一解调参考信号的时频资源出现异常的数量较多，到了影响信息块解调精度的程度，终端设备可以不解调至少一个信息块。
需要说明的是，原本用于传输第一解调参考信号的时频资源出现异常的数量较多，到了影响信息块解调精度的程度，无论原本用于传输额外DMRS的时频资源是否出现异常，终端设备都可以不解调至少一个信息块。
由于基础DMRS的配置优先级较高，因此相较于单独使用额外DMRS，基础DMRS通常可以提供更好的信道估计精度。采用上述例子的实现方式，根据基础DMRS的受影响程度决定是否对至少一个信息块进行解调，可以降低终端设备的实现复杂度。
又例如，若出现异常的时频资源(即第三时频资源)原本是用于传输额外DMRS，并且用于传输基础DMRS的时频资源并未出现异常，也就是说，第三时频资源原本都不是用于传输基础DMRS的，此时，终端设备可以仅仅使用基础DMRS对信息块进行解调。
又例如，若出现异常的时频资源(即第三时频资源)原本是用于传输额外DMRS，并且出现异常的时频资源数量较多，即第三时频资源与上述第二部分的第二交集在所述第二部分中的占比达到或超过第四阈值时，并且用于传输基础DMRS的时频资源并未出现异常，也就是说，第三时频资源原本都不是用于传输基础DMRS的，此时，终端设备可以仅仅使用基础DMRS对信息块进行解调。
由于基础DMRS是数据传输时必然发送的参考信号，因此基础DMRS的时频位置相对固定。相比于基础DMRS，额外DMRS所在的时频资源出现异常的可能性更高一些。进一步地，采用上述例子中的实现方式，单独确定额外DMRS所在资源是否出现异常，可以更仔细地甄别出现异常的时频资源，根据出现异常的时频资源的具体情况，确定是否对信息块进行解调，以及如何使用参考信号对信息块进行解调，在一定程度上可以提高频谱使用效率。
可选地，作为一个实施例，所述参考信号用于计算相位误差，所述方法还包括：
所述终端设备不使用所述参考信号计算所述相位误差；或
当所述第三时频资源在所述第一时频资源中的占比超过第五阈值时，所述终端设备不使用所述参考信号计算所述相位误差；或
当所述第三时频资源在所述第一时频资源中的占比未超过或未达到第五阈值时，所述 终端设备使用所述参考信号计算所述相位误差。
对于多天线系统，特别是工作在6GHz以上频段的多天线系统，相位噪声的抖动通常是影响系统性能的因素之一。终端确定是否使用PTRS计算所述相位误差，有助于提高相位噪声的估计精度，从而使得终端设备在接收信号处理过程中更精确的对相位噪声进行补偿，提高数据信道的接收准确性，减小不必要的数据信道重传，进而提高系统的时频资源使用效率。
应理解，上文中提到的第一阈值，第二阈值，第三阈值，第四阈值和第五阈值中的至少一个阈值可以由通信标准协议规范预定义或者由网络设备通过信令为终端设备配置。其中，由网络设备通过信令为终端设备配置时，网络设备可以通过物理层控制信令、或MAC层信令、或RRC层信令为终端设备配置，本申请实施例对此不作具体限定。
上文结合图1至图7详细的说明了描述了本申请实施例的通信方法，下面结合图8至图11，详细描述本申请实施例的装置。应理解，图8至图11所示的装置能够实现图1至图7中的各个步骤，为避免重复，在此不再详细赘述。
图8是本申请实施例的一种终端设备的示意性框图。图8所示的终端设备800包括：接收单元810，和确定单元820。
接收单元810，用于接收网络设备发送的第一指示信息，所述第一指示信息用于指示传输所述终端设备的参考信号的第一时频资源；
所述接收单元810，还用于接收所述网络设备发送的第二指示信息，所述第二指示信息用于指示第二时频资源；
确定单元820，用于根据所述接收单元接收的所述第二指示信息确定所述第一时频资源内是否包含第三时频资源，所述第三时频资源为：
所述第一时频资源与所述第二时频资源同时包含的时频资源，或者
与所述第二时频资源相邻的时频资源，或者
与所述第二时频资源的间隔小于预先设置的第一间隔，或者
与所述第二时频资源相关的时频资源。
在本申请实施例中，通过向终端设备发送第二指示信息，使得终端设备确定是否存在第三时频资源，其中，第三时频资源有可能是原本用于传输参考信号，但出现异常的时频资源，以便终端设备进一步确定是否使用第三时频资源接收的信号，避免了现有技术中，终端设备直接将在传输参考信号的时频资源上接收的信号作为参考信号使用，降低信道估计、信道探测的精度或导数数据解调失败。
可选地，作为一个实施例，
所述第二指示信息还用于指示在所述第二时频资源上的信号不可用，和/或，
所述第二指示信息还用于指示重传的编码块或重传的编码块组CBG，所述重传的编码块或重传的CBG在前一次传输时所占用的时频资源为第二时频资源。
可选地，作为一个实施例，
所述参考信号用于所述终端设备确定信道状态信息；
所述终端设备还包括：
第一发送单元，用于当所述第一时频资源内包含所述第三时频资源时，不向所述网络设备发送所述信道状态信息；或者
所述第一发送单元，还用于当所述第一时频资源内包含所述第三时频资源时，所述终端设备向所述网络设备发送所述信道状态信息和第三指示信息，所述第三指示信息用于指示所述信道状态信息失效；或者
所述第一发送单元，还用于当所述第三时频资源在所述第一时频资源中的占比达到或超过第一阈值时，不向所述网络设备发送所述信道状态信息；或者
所述第一发送单元，还用于当所述第三时频资源在所述第一时频资源中的占比达到或超过第一阈值时，向所述网络设备发送所述信道状态信息和第三指示信息，所述第三指示信息用于指示所述信道状态信息失效。
可选地，作为一个实施例，
所述参考信号用于所述终端设备确定信道状态信息；
所述终端设备还包括：
第二发送单元，用于当所述第三时频资源在所述第一时频资源中的占比未达到或未超过第一阈值时，向所述网络设备发送所述信道状态信息，所述信道状态信息是利用所述第一时频资源中除所述第三时频资源以外的至少一部分获取的；或
所述第二发送单元，还用于向所述网络设备发送所述信道状态信息，所述信道状态信息是利用所述第一时频资源中除所述第三时频资源以外的至少一部分获取的。
可选地，作为一个实施例，
所述信道状态信息与第一频域资源相关，所述第一频域资源小于或等于系统带宽。
可选地，作为一个实施例，
所述参考信号用于所述终端设备解调至少一个信息块；
所述终端设备还包括：
第一解调单元，用于当所述第一时频资源内包含所述第三时频资源时，不使用所述第三时频资源上的信号解调所述至少一个信息块，或不解调所述至少一个信息块；和/或
所述第一解调单元，还用于当所述第三时频资源在所述第一时频资源中的占比达到或超过第二阈值时，不解调所述至少一个信息块；和/或
所述第一解调单元，还用于当所述第三时频资源在所述第一时频资源中的占比未达到或未超过第二阈值时，使用所述第一时频资源除所述第三时频资源以外的至少一部分时频资源上的信号解调所述至少一个信息块。
可选地，作为一个实施例，
所述参考信号仅包括第一解调参考信号，或者
所述参考信号包括第一解调参考信号和第二解调参考信号，所述第一解调参考信号为用于解调所述至少一个信息块的基础解调参考信号，所述第二解调参考信号为用于解调所述至少一个信息块的额外解调参考信号。
可选地，作为一个实施例，
所述参考信号用于所述终端设备解调至少一个信息块，所述参考信号包括第一解调参考信号和第二解调参考信号，其中，所述第一解调参考信号为用于解调所述至少一个信息块的基础解调参考信号，所述第二解调参考信号为用于解调所述至少一个信息块的额外解调参考信号，所述第一解调参考信号占用所述第一时频资源的第一部分，所述第二解调参考信号占用所述第一时频资源的第二部分；
所述终端设备还包括：
第二解调单元，用于当所述第一部分内包含所述第三时频资源时，不使用所述第三时频资源上的信号解调所述至少一个信息块，或不解调所述至少一个信息块；和/或
所述第二解调单元，还用于当所述第三时频资源与所述第一部分的第一交集在所述第一部分中的占比达到或超过第三阈值时，不解调所述至少一个信息块；和/或
所述第二解调单元，还用于当所述第三时频资源与所述第一部分的第一交集在所述第一部分中的占比未达到或未超过第三阈值时，使用所述第一部分除所述第一交集以外的至少一部分时频资源上的信号解调所述至少一个信息块；和/或
所述第二解调单元，还用于当所述第三时频资源与所述第二部分的第二交集在所述第二部分中的占比达到或超过第四阈值时，不使用所述第二解调参考信号解调所述至少一个信息块；和/或
所述第二解调单元，还用于当所述第三时频资源与所述第二部分的第二交集在所述第二部分中的占比未达到或未超过第四阈值时，使用所述第二部分除所述第二交集以外的至少一部分时频资源上的信号解调所述至少一个信息块；和/或
所述第二解调单元，还用于当所述第二部分内包含所述第三时频资源时，不使用所述第三时频资源上的信号解调所述至少一个信息块，或不解调所述至少一个信息块。
在可选的实施例中，所述接收单元810可以为收发机940，所述确定单元820可以为处理器920，所述终端设备还可以包括输入/输出接口930和存储器910，具体如图9所示。
图9是本申请另一实施例的终端设备的示意性框图。图9所示的终端设备900可以包括：存储器910、处理器920、输入/输出接口930、收发机940。其中，存储器910、处理器920、输入/输出接口930和收发机940通过内部连接通路相连，该存储器910用于存储指令，该处理器920用于执行该存储器920存储的指令，以控制输入/输出接口930接收输入的数据和信息，输出操作结果等数据，并控制收发机940发送信号。
所述处理器920，用于确定用于传输调度请求SR的专用的传输资源；
所述收发机940，用于在所述确定单元确定的所述专用的传输资源上向网络设备发送所述SR。
应理解，在本申请实施例中，该处理器920可以采用通用的中央处理器(Central Processing Unit，CPU)，微处理器，应用专用集成电路(Application Specific Integrated Circuit，ASIC)，或者一个或多个集成电路，用于执行相关程序，以实现本申请实施例所提供的技术方案。
还应理解，收发机940又称通信接口，使用例如但不限于收发器一类的收发装置，来实现终端900与其它设备或通信网络之间的通信。
该存储器910可以包括只读存储器和随机存取存储器，并向处理器920提供指令和数据。处理器920的一部分还可以包括非易失性随机存取存储器。例如，处理器920还可以存储设备类型的信息。
在实现过程中，上述方法的各步骤可以通过处理器920中的硬件的集成逻辑电路或者软件形式的指令完成。结合本申请实施例所公开的通信方法可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域 成熟的存储介质中。该存储介质位于存储器910，处理器920读取存储器910中的信息，结合其硬件完成上述方法的步骤。为避免重复，这里不再详细描述。
应理解，本申请实施例中，该处理器可以为中央处理单元(central processing unit，CPU)，该处理器还可以是其它通用处理器、数字信号处理器(digital signal processor，DSP)、专用集成电路(application specific integrated circuit，ASIC)、现成可编程门阵列(field programmable gate array，FPGA)或者其它可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
图10是本申请实施例的一种通信网络设备的示意性结构图。图10所示的网络设备1000包括：发送单元1010，和第一接收单元1020。
发送单元，用于向终端设备发送第一指示信息，所述第一指示信息用于指示传输所述终端设备的参考信号的第一时频资源；
所述发送单元，还用于向所述终端设备发送第二指示信息，所述第二指示信息用于指示第二时频资源，所述第二指示信息还用于确定所述第一时频资源内是否包含第三时频资源，所述第三时频资源为：
所述第一时频资源与所述第二时频资源同时包含的时频资源，或者
与所述第二时频资源相邻的时频资源，或者
与所述第二时频资源的间隔小于预先设置的第一间隔，或者
与所述第二时频资源相关的时频资源。
在本申请实施例中，通过向终端设备发送第二指示信息，使得终端设备确定是否存在第三时频资源，其中，第三时频资源有可能是原本用于传输参考信号，但出现异常的时频资源，以便终端设备进一步确定是否使用第三时频资源接收的信号，避免了现有技术中，终端设备直接将在传输参考信号的时频资源上接收的信号作为参考信号使用，降低信道估计、信道探测的精度或导数数据解调失败。
可选地，作为一个实施例，
所述第二指示信息还用于指示在所述第二时频资源上的信号不可用，或者，
所述第二指示信息还用于指示重传的编码块或重传的编码块组CBG，所述重传的编码块或重传的CBG在前一次传输时所占用的时频资源为第二时频资源。
可选地，作为一个实施例，
所述参考信号用于所述终端设备确定信道状态信息；
所述网络设备还包括：
第一接收单元，用于当所述第一时频资源内包含所述第三时频资源时，接收所述终端设备发送的所述信道状态信息和第三指示信息，所述第三指示信息用于指示所述信道状态信息失效；或者
所述第一接收单元，还用于当所述第三时频资源在所述第一时频资源中的占比达到或超过第一阈值时，接收所述终端设备发送的所述信道状态信息和第三指示信息，所述第三指示信息用于指示所述信道状态信息失效。
可选地，作为一个实施例，
所述参考信号用于所述终端设备确定信道状态信息；
所述网络设备还包括：
第二接收单元，用于当所述第三时频资源在所述第一时频资源中的占比未达到或未超过第一阈值时，接收所述终端设备发送的所述信道状态信息，所述信道状态信息是利用所述第一时频资源中除所述第三时频资源以外的至少一部分获取的；或
所述第二接收单元，还用于接收所述终端设备发送的所述信道状态信息，所述信道状态信息是利用所述第一时频资源中除所述第三时频资源以外的至少一部分获取的。
可选地，作为一个实施例，所述信道状态信息与所述第一频域资源相关，所述第一频域资源小于或等于系统带宽。
在可选的实施例中，所述发送单元1010和所述第一接收单元1020可以为收发机1140，所述网络设备还可以包括输入/输出接口1130和存储器1110，具体如图11所示。
图11是本申请另一实施例的网络设备的示意性框图。图11所示的网络设备1100可以包括：存储器1110、处理器1120、输入/输出接口1130、收发机1140。其中，存储器1110、处理器1120、输入/输出接口1130和收发机1140通过内部连接通路相连，该存储器1110用于存储指令，该处理器1120用于执行该存储器1120存储的指令，以控制输入/输出接口1130接收输入的数据和信息，输出操作结果等数据，并控制收发机1140发送信号。
所述收发机1140，用于向终端设备发送第一指示信息，所述第一指示信息用于指示传输所述终端设备的参考信号的第一时频资源；
还用于向所述终端设备发送第二指示信息，所述第二指示信息用于指示第二时频资源，所述第二指示信息还用于确定所述第一时频资源内是否包含第三时频资源，所述第三时频资源为：
所述第一时频资源与所述第二时频资源同时包含的时频资源，或者
与所述第二时频资源相邻的时频资源，或者
与所述第二时频资源的间隔小于预先设置的第一间隔，或者
与所述第二时频资源相关的时频资源。
应理解，在本申请实施例中，该处理器1120可以采用通用的中央处理器(Central Processing Unit，CPU)，微处理器，应用专用集成电路(Application Specific Integrated Circuit，ASIC)，或者一个或多个集成电路，用于执行相关程序，以实现本申请实施例所提供的技术方案。
还应理解，收发机1140又称通信接口，使用例如但不限于收发器一类的收发装置，来实现网络设备1100与其它设备或通信网络之间的通信。
该存储器1110可以包括只读存储器和随机存取存储器，并向处理器1120提供指令和数据。处理器1120的一部分还可以包括非易失性随机存取存储器。例如，处理器1120还可以存储设备类型的信息。
在实现过程中，上述方法的各步骤可以通过处理器1120中的硬件的集成逻辑电路或者软件形式的指令完成。结合本申请实施例所公开的通信方法可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器1110，处理器1120读取存储器1110中的信 息，结合其硬件完成上述方法的步骤。为避免重复，这里不再详细描述。
应理解，本申请实施例中，该处理器可以为中央处理单元(central processing unit，CPU)，该处理器还可以是其它通用处理器、数字信号处理器(digital signal processor，DSP)、专用集成电路(application specific integrated circuit，ASIC)、现成可编程门阵列(field programmable gate array，FPGA)或者其它可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
应理解，本申请实施例中，该处理器可以为中央处理单元(central processing unit，CPU)，该处理器还可以是其它通用处理器、数字信号处理器(digital signal processor，DSP)、专用集成电路(application specific integrated circuit，ASIC)、现成可编程门阵列(field programmable gate array，FPGA)或者其它可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
还应理解，本申请实施例中的存储器可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(read-only memory，ROM)、可编程只读存储器(programmable ROM，PROM)、可擦除可编程只读存储器(erasable PROM，EPROM)、电可擦除可编程只读存储器(electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(random access memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的随机存取存储器(random access memory，RAM)可用，例如静态随机存取存储器(static RAM，SRAM)、动态随机存取存储器(DRAM)、同步动态随机存取存储器(synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(synchlink DRAM，SLDRAM)和直接内存总线随机存取存储器(direct rambus RAM，DR RAM)。
上述实施例，可以全部或部分地通过软件、硬件、固件或其它任意组合来实现。当使用软件实现时，上述实施例可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令。在计算机上加载或执行所述计算机程序指令时，全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以为通用计算机、专用计算机、计算机网络、或者其它可编程装置。所述计算机指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集合的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质(例如，软盘、硬盘、磁带)、光介质(例如，DVD)、或者半导体介质。半导体介质可以是固态硬盘。
应理解，本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
应理解，在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(ROM)、随机存取存储器(RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (26)

  1. 一种通信方法，其特征在于，包括：
    终端设备接收网络设备发送的第一指示信息，所述第一指示信息用于指示传输所述终端设备的参考信号的第一时频资源；
    所述终端设备接收所述网络设备发送的第二指示信息，所述第二指示信息用于指示第二时频资源；
    所述终端设备根据所述第二指示信息确定所述第一时频资源内是否包含第三时频资源，所述第三时频资源为：
    所述第一时频资源与所述第二时频资源同时包含的时频资源，或者
    与所述第二时频资源相邻的时频资源，或者
    与所述第二时频资源的间隔小于预先设置的第一间隔，或者
    与所述第二时频资源相关的时频资源。
  2. 如权利要求1所述的方法，其特征在于，
    所述第二指示信息还用于指示在所述第二时频资源上的信号不可用，和/或，
    所述第二指示信息还用于指示重传的编码块或重传的编码块组CBG，所述重传的编码块或重传的CBG在前一次传输时所占用的时频资源为第二时频资源。
  3. 如权利要求1或2所述的方法，其特征在于，所述参考信号用于所述终端设备确定信道状态信息；
    所述方法还包括：
    当所述第一时频资源内包含所述第三时频资源时，所述终端设备不向所述网络设备发送所述信道状态信息；或者
    当所述第一时频资源内包含所述第三时频资源时，所述终端设备向所述网络设备发送所述信道状态信息和第三指示信息，所述第三指示信息用于指示所述信道状态信息失效；或者
    当所述第三时频资源在所述第一时频资源中的占比达到或超过第一阈值时，所述终端设备不向所述网络设备发送所述信道状态信息；或者
    当所述第三时频资源在所述第一时频资源中的占比达到或超过第一阈值时，所述终端设备向所述网络设备发送所述信道状态信息和第三指示信息，所述第三指示信息用于指示所述信道状态信息失效。
  4. 如权利要求1至3中任一项所述的方法，其特征在于，所述参考信号用于所述终端设备确定信道状态信息；
    所述方法还包括：
    当所述第三时频资源在所述第一时频资源中的占比未达到或未超过第一阈值时，所述终端设备向所述网络设备发送所述信道状态信息，所述信道状态信息是利用所述第一时频资源中除所述第三时频资源以外的至少一部分获取的；或
    所述终端设备向所述网络设备发送所述信道状态信息，所述信道状态信息是利用所述第一时频资源中除所述第三时频资源以外的至少一部分获取的。
  5. 如权利要求3或4所述的方法，其特征在于，所述信道状态信息与第一频域资源相关，所述第一频域资源小于或等于系统带宽。
  6. 如权利要求1或2所述的方法，其特征在于，所述参考信号用于所述终端设备解调至少一个信息块；
    所述方法还包括：
    当所述第一时频资源内包含所述第三时频资源时，所述终端设备不使用所述第三时频资源上的信号解调所述至少一个信息块，或不解调所述至少一个信息块；和/或
    当所述第三时频资源在所述第一时频资源中的占比达到或超过第二阈值时，所述终端设备不解调所述至少一个信息块；和/或
    当所述第三时频资源在所述第一时频资源中的占比未达到或未超过第二阈值时，所述终端设备使用所述第一时频资源除所述第三时频资源以外的至少一部分时频资源上的信号解调所述至少一个信息块。
  7. 如权利要求6所述的方法，其特征在于，所述参考信号仅包括第一解调参考信号，或者所述参考信号包括第一解调参考信号和第二解调参考信号，
    其中，所述第一解调参考信号为用于解调所述至少一个信息块的基础解调参考信号，所述第二解调参考信号为用于解调所述至少一个信息块的额外解调参考信号。
  8. 如权利要求1或2所述的方法，其特征在于，所述参考信号用于所述终端设备解调至少一个信息块，所述参考信号包括第一解调参考信号和第二解调参考信号，其中，所述第一解调参考信号为用于解调所述至少一个信息块的基础解调参考信号，所述第二解调参考信号为用于解调所述至少一个信息块的额外解调参考信号，所述第一解调参考信号占用所述第一时频资源的第一部分，所述第二解调参考信号占用所述第一时频资源的第二部分；
    所述方法还包括：
    当所述第一部分内包含所述第三时频资源时，所述终端设备不使用所述第三时频资源上的信号解调所述至少一个信息块，或不解调所述至少一个信息块；和/或
    当所述第三时频资源与所述第一部分的第一交集在所述第一部分中的占比达到或超过第三阈值时，所述终端设备不解调所述至少一个信息块；和/或
    当所述第三时频资源与所述第一部分的第一交集在所述第一部分中的占比未达到或未超过第三阈值时，所述终端设备使用所述第一部分除所述第一交集以外的至少一部分时频资源上的信号解调所述至少一个信息块；和/或
    当所述第二部分内包含所述第三时频资源时，所述终端设备不使用所述第三时频资源上的信号解调所述至少一个信息块，或不解调所述至少一个信息块；和/或
    当所述第三时频资源与所述第二部分的第二交集在所述第二部分中的占比达到或超过第四阈值时，所述终端设备不使用所述第二解调参考信号解调所述至少一个信息块；和/或
    当所述第三时频资源与所述第二部分的第二交集在所述第二部分中的占比未达到或未超过第四阈值时，所述终端设备使用所述第二部分除所述第二交集以外的至少一部分时频资源上的信号解调所述至少一个信息块。
  9. 一种通信方法，其特征在于，包括：
    网络设备向终端设备发送第一指示信息，所述第一指示信息用于指示传输所述终端设备的参考信号的第一时频资源；
    所述网络设备向所述终端设备发送第二指示信息，所述第二指示信息用于指示第二时频资源，所述第二指示信息还用于确定所述第一时频资源内是否包含第三时频资源，所述第三时频资源为：
    所述第一时频资源与所述第二时频资源同时包含的时频资源，或者
    与所述第二时频资源相邻的时频资源，或者
    与所述第二时频资源的间隔小于预先设置的第一间隔，或者
    与所述第二时频资源相关的时频资源。
  10. 如权利要求9所述的方法，其特征在于，
    所述第二指示信息还用于指示在所述第二时频资源上的信号不可用，和/或，
    所述第二指示信息还用于指示重传的编码块或重传的编码块组CBG，所述重传的编码块或重传的CBG在前一次传输时所占用的时频资源为第二时频资源。
  11. 如权利要求9或10所述的方法，其特征在于，所述参考信号用于所述终端设备确定信道状态信息；
    所述方法还包括：
    当所述第一时频资源内包含所述第三时频资源时，所述网络设备接收所述终端设备发送的所述信道状态信息和第三指示信息，所述第三指示信息用于指示所述信道状态信息失效；或者
    当所述第三时频资源在所述第一时频资源中的占比达到或超过第一阈值时，所述网络设备接收所述终端设备发送的所述信道状态信息和第三指示信息，所述第三指示信息用于指示所述信道状态信息失效。
  12. 如权利要求9至11中任一项所述的方法，其特征在于，所述参考信号用于所述终端设备确定信道状态信息；
    所述方法还包括：
    当所述第三时频资源在所述第一时频资源中的占比未达到或未超过第一阈值时，所述网络设备接收所述终端设备发送的所述信道状态信息，所述信道状态信息是利用所述第一时频资源中除所述第三时频资源以外的至少一部分获取的；或
    所述网络设备接收所述终端设备发送的所述信道状态信息，所述信道状态信息是利用所述第一时频资源中除所述第三时频资源以外的至少一部分获取的。
  13. 如权利要求11或12所述的方法，其特征在于，所述信道状态信息与所述第一频域资源相关，所述第一频域资源小于或等于系统带宽。
  14. 一种终端设备，其特征在于，包括：
    接收单元，用于接收网络设备发送的第一指示信息，所述第一指示信息用于指示传输所述终端设备的参考信号的第一时频资源；
    所述接收单元，还用于接收所述网络设备发送的第二指示信息，所述第二指示信息用于指示第二时频资源；
    确定单元，用于根据所述接收单元接收的所述第二指示信息确定所述第一时频资源内是否包含第三时频资源，所述第三时频资源为：
    所述第一时频资源与所述第二时频资源同时包含的时频资源，或者
    与所述第二时频资源相邻的时频资源，或者
    与所述第二时频资源的间隔小于预先设置的第一间隔，或者
    与所述第二时频资源相关的时频资源。
  15. 如权利要求14所述的终端设备，其特征在于，
    所述第二指示信息还用于指示在所述第二时频资源上的信号不可用，和/或，
    所述第二指示信息还用于指示重传的编码块或重传的编码块组CBG，所述重传的编码块或重传的CBG在前一次传输时所占用的时频资源为第二时频资源。
  16. 如权利要求14或15所述的终端设备，其特征在于，所述参考信号用于所述终端设备确定信道状态信息；
    所述终端设备还包括：
    第一发送单元，用于当所述第一时频资源内包含所述第三时频资源时，不向所述网络设备发送所述信道状态信息；或者
    所述第一发送单元，还用于当所述第一时频资源内包含所述第三时频资源时，所述终端设备向所述网络设备发送所述信道状态信息和第三指示信息，所述第三指示信息用于指示所述信道状态信息失效；或者
    所述第一发送单元，还用于当所述第三时频资源在所述第一时频资源中的占比达到或超过第一阈值时，不向所述网络设备发送所述信道状态信息；或者
    所述第一发送单元，还用于当所述第三时频资源在所述第一时频资源中的占比达到或超过第一阈值时，向所述网络设备发送所述信道状态信息和第三指示信息，所述第三指示信息用于指示所述信道状态信息失效。
  17. 如权利要求14至16中任一项所述的终端设备，其特征在于，所述参考信号用于所述终端设备确定信道状态信息；
    所述终端设备还包括：
    第二发送单元，用于当所述第三时频资源在所述第一时频资源中的占比未达到或未超过第一阈值时，向所述网络设备发送所述信道状态信息，所述信道状态信息是利用所述第一时频资源中除所述第三时频资源以外的至少一部分获取的；或
    所述第二发送单元，还用于向所述网络设备发送所述信道状态信息，所述信道状态信息是利用所述第一时频资源中除所述第三时频资源以外的至少一部分获取的。
  18. 如权利要求16或17所述的终端设备，其特征在于，所述信道状态信息与第一频域资源相关，所述第一频域资源小于或等于系统带宽。
  19. 如权利要求14或15所述的终端设备，其特征在于，所述参考信号用于所述终端设备解调至少一个信息块；
    所述终端设备还包括：
    第一解调单元，用于当所述第一时频资源内包含所述第三时频资源时，不使用所述第三时频资源上的信号解调所述至少一个信息块，或不解调所述至少一个信息块；和/或
    所述第一解调单元，还用于当所述第三时频资源在所述第一时频资源中的占比达到或超过第二阈值时，不解调所述至少一个信息块；和/或
    所述第一解调单元，还用于当所述第三时频资源在所述第一时频资源中的占比未达到 或未超过第二阈值时，使用所述第一时频资源除所述第三时频资源以外的至少一部分时频资源上的信号解调所述至少一个信息块。
  20. 如权利要求19所述的终端设备，其特征在于，所述参考信号仅包括第一解调参考信号，或者
    所述参考信号包括第一解调参考信号和第二解调参考信号，其中，所述第一解调参考信号为用于解调所述至少一个信息块的基础解调参考信号，所述第二解调参考信号为用于解调所述至少一个信息块的额外解调参考信号。
  21. 如权利要求14或15所述的终端设备，其特征在于，所述参考信号用于所述终端设备解调至少一个信息块，所述参考信号包括第一解调参考信号和第二解调参考信号，其中，所述第一解调参考信号为用于解调所述至少一个信息块的基础解调参考信号，所述第二解调参考信号为用于解调所述至少一个信息块的额外解调参考信号，所述第一解调参考信号占用所述第一时频资源的第一部分，所述第二解调参考信号占用所述第一时频资源的第二部分；
    所述终端设备还包括：
    第二解调单元，用于当所述第一部分内包含所述第三时频资源时，不使用所述第三时频资源上的信号解调所述至少一个信息块，或不解调所述至少一个信息块；和/或
    所述第二解调单元，还用于当所述第三时频资源与所述第一部分的第一交集在所述第一部分中的占比达到或超过第三阈值时，不解调所述至少一个信息块；和/或
    所述第二解调单元，还用于当所述第三时频资源与所述第一部分的第一交集在所述第一部分中的占比未达到或未超过第三阈值时，使用所述第一部分除所述第一交集以外的至少一部分时频资源上的信号解调所述至少一个信息块；和/或
    所述第二解调单元，还用于当所述第三时频资源与所述第二部分的第二交集在所述第二部分中的占比达到或超过第四阈值时，不使用所述第二解调参考信号解调所述至少一个信息块；和/或
    所述第二解调单元，还用于当所述第三时频资源与所述第二部分的第二交集在所述第二部分中的占比未达到或未超过第四阈值时，使用所述第二部分除所述第二交集以外的至少一部分时频资源上的信号解调所述至少一个信息块；和/或
    所述第二解调单元，还用于当所述第二部分内包含所述第三时频资源时，不使用所述第三时频资源上的信号解调所述至少一个信息块，或不解调所述至少一个信息块。
  22. 一种网络设备，其特征在于，包括：
    发送单元，用于向终端设备发送第一指示信息，所述第一指示信息用于指示传输所述终端设备的参考信号的第一时频资源；
    所述发送单元，还用于向所述终端设备发送第二指示信息，所述第二指示信息用于指示第二时频资源，所述第二指示信息还用于确定所述第一时频资源内是否包含第三时频资源，所述第三时频资源为：
    所述第一时频资源与所述第二时频资源同时包含的时频资源，或者
    与所述第二时频资源相邻的时频资源，或者
    与所述第二时频资源的间隔小于预先设置的第一间隔，或者
    与所述第二时频资源相关的时频资源。
  23. 如权利要求22所述的网络设备，其特征在于，
    所述第二指示信息还用于指示在所述第二时频资源上的信号不可用，或者，
    所述第二指示信息还用于指示重传的编码块或重传的编码块组CBG，所述重传的编码块或重传的CBG在前一次传输时所占用的时频资源为第二时频资源。
  24. 如权利要求22或23所述的网络设备，其特征在于，所述参考信号用于所述终端设备确定信道状态信息；
    所述网络设备还包括：
    第一接收单元，用于当所述第一时频资源内包含所述第三时频资源时，接收所述终端设备发送的所述信道状态信息和第三指示信息，所述第三指示信息用于指示所述信道状态信息失效；或者
    所述第一接收单元，还用于当所述第三时频资源在所述第一时频资源中的占比达到或超过第一阈值时，接收所述终端设备发送的所述信道状态信息和第三指示信息，所述第三指示信息用于指示所述信道状态信息失效。
  25. 如权利要求22至24中任一项所述的网络设备，其特征在于，所述参考信号用于所述终端设备确定信道状态信息；
    所述网络设备还包括：
    第二接收单元，用于当所述第三时频资源在所述第一时频资源中的占比未达到或未超过第一阈值时，接收所述终端设备发送的所述信道状态信息，所述信道状态信息是利用所述第一时频资源中除所述第三时频资源以外的至少一部分获取的；或
    所述第二接收单元，还用于接收所述终端设备发送的所述信道状态信息，所述信道状态信息是利用所述第一时频资源中除所述第三时频资源以外的至少一部分获取的。
  26. 如权利要求24或25所述的网络设备，其特征在于，所述信道状态信息与所述第一频域资源相关，所述第一频域资源小于或等于系统带宽。
PCT/CN2018/088815 2017-06-15 2018-05-29 通信方法、终端设备和网络设备 WO2018228176A1 (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2019569351A JP2020523893A (ja) 2017-06-15 2018-05-29 通信方法、端末デバイス、及びネットワークデバイス
EP18816990.8A EP3627932A4 (en) 2017-06-15 2018-05-29 COMMUNICATION METHOD, TERMINAL AND NETWORK DEVICE
US16/711,958 US11296855B2 (en) 2017-06-15 2019-12-12 Communication method, terminal device, and network device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710454129.3 2017-06-15
CN201710454129.3A CN109152009B (zh) 2017-06-15 2017-06-15 通信方法、终端设备和网络设备

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US16/711,958 Continuation US11296855B2 (en) 2017-06-15 2019-12-12 Communication method, terminal device, and network device

Publications (1)

Publication Number Publication Date
WO2018228176A1 true WO2018228176A1 (zh) 2018-12-20

Family

ID=64659635

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/088815 WO2018228176A1 (zh) 2017-06-15 2018-05-29 通信方法、终端设备和网络设备

Country Status (5)

Country Link
US (1) US11296855B2 (zh)
EP (1) EP3627932A4 (zh)
JP (1) JP2020523893A (zh)
CN (1) CN109152009B (zh)
WO (1) WO2018228176A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020223976A1 (zh) * 2019-05-09 2020-11-12 Oppo广东移动通信有限公司 无线通信方法、终端设备和网络设备

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109996341B (zh) * 2017-12-29 2023-03-24 华为技术有限公司 控制信息的传输方法
US11943774B2 (en) * 2018-07-25 2024-03-26 Sony Corporation System and method for indicating a first set and a second set of uplink channel transmission parameters
CN110830195B (zh) * 2018-08-09 2021-10-01 华为技术有限公司 一种信息的处理方法和通信装置
CN111294184B (zh) * 2019-04-28 2022-09-02 北京紫光展锐通信技术有限公司 侧链路信息传输方法、用户终端及计算机可读存储介质
CN111953457B (zh) * 2019-05-14 2022-06-21 上海朗帛通信技术有限公司 一种被用于无线通信的节点中的方法和装置
CN113708901B (zh) * 2020-05-22 2024-08-23 上海朗帛通信技术有限公司 一种被用于无线通信的节点中的方法和装置
CN113973375A (zh) * 2020-07-24 2022-01-25 大唐移动通信设备有限公司 信号的传输方法、装置、终端、基站及存储介质
WO2023245445A1 (en) * 2022-06-21 2023-12-28 Huawei Technologies Co., Ltd. Apparatuses and methods for protecting a reference signal and adjusting timing advance (ta) values in full-duplex transmission

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105979597A (zh) * 2016-06-27 2016-09-28 宇龙计算机通信科技(深圳)有限公司 通信资源的分配方法、分配装置、基站和终端
CN106376050A (zh) * 2016-09-30 2017-02-01 宇龙计算机通信科技(深圳)有限公司 reference numerology的子载波间隔的设置/确定方法、装置、基站和终端
CN106788931A (zh) * 2016-09-30 2017-05-31 展讯通信（上海）有限公司 通信系统中信息传输的方法及基站、用户设备
CN106851846A (zh) * 2017-01-23 2017-06-13 深圳市金立通信设备有限公司 一种控制信息发送方法、基站、用户设备及系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10306597B2 (en) * 2015-07-21 2019-05-28 Samsung Electronics Co., Ltd. Method and apparatus for beam-level radio resource management and mobility in cellular network
KR102694099B1 (ko) * 2017-01-04 2024-08-09 인터디지탈 패튼 홀딩스, 인크 무선 시스템들에서의 수신기 피드백
US11303392B2 (en) * 2017-03-16 2022-04-12 Qualcomm Incorporated Multi-HARQ methods and apparatus for codeblock group based transmissions
US10932278B2 (en) * 2017-03-20 2021-02-23 Convida Wireless, Llc Scheduling and control in new radio using preemption indication
US10727987B2 (en) 2017-04-03 2020-07-28 Qualcomm Incorporated Feedback for codeblock group based transmissions
CN115603869A (zh) * 2017-05-03 2023-01-13 Idac控股公司（Us） 用于在受到低时延业务量影响时提升eMBB的HARQ反馈性能的方法和装置
WO2018201490A1 (en) * 2017-05-05 2018-11-08 Zte Corporation Transmission based on data blocks
KR102365147B1 (ko) 2017-08-10 2022-02-18 애플 인크. 뉴 라디오에 대한 선점 지시들

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105979597A (zh) * 2016-06-27 2016-09-28 宇龙计算机通信科技(深圳)有限公司 通信资源的分配方法、分配装置、基站和终端
CN106376050A (zh) * 2016-09-30 2017-02-01 宇龙计算机通信科技(深圳)有限公司 reference numerology的子载波间隔的设置/确定方法、装置、基站和终端
CN106788931A (zh) * 2016-09-30 2017-05-31 展讯通信（上海）有限公司 通信系统中信息传输的方法及基站、用户设备
CN106851846A (zh) * 2017-01-23 2017-06-13 深圳市金立通信设备有限公司 一种控制信息发送方法、基站、用户设备及系统

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3627932A4

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020223976A1 (zh) * 2019-05-09 2020-11-12 Oppo广东移动通信有限公司 无线通信方法、终端设备和网络设备
CN112219419A (zh) * 2019-05-09 2021-01-12 Oppo广东移动通信有限公司 无线通信方法、终端设备和网络设备

Also Published As

Publication number Publication date
CN109152009A (zh) 2019-01-04
JP2020523893A (ja) 2020-08-06
CN109152009B (zh) 2020-12-08
EP3627932A1 (en) 2020-03-25
US20200145173A1 (en) 2020-05-07
EP3627932A4 (en) 2020-06-17
US11296855B2 (en) 2022-04-05

Similar Documents

Publication Publication Date Title
WO2018228176A1 (zh) 通信方法、终端设备和网络设备
JP7354302B2 (ja) データを伝送するための方法及び端末装置
US11552749B2 (en) Data transmission method and terminal device
WO2019090522A1 (zh) D2d通信中资源配置的方法、终端设备和网络设备
WO2021204208A1 (zh) 信道状态信息csi报告的确定方法和通信设备
US11212798B2 (en) Method for transmitting uplink information, terminal device and network device
CN113490278B (zh) 下行信号传输的方法和设备
WO2018202031A1 (zh) 干扰测量的方法及装置和获得信道状态信息的方法及装置
WO2020248101A1 (zh) 上报csi的方法和终端设备
JP7293391B2 (ja) 通信方法、端末機器およびネットワーク機器
US20200296746A1 (en) Method for transmitting information, method for receiving information, terminal device, and network device
WO2021031042A1 (zh) 信号发送和接收方法以及装置
WO2020206581A1 (zh) 传输信号的方法、终端设备和网络设备
AU2018447235B2 (en) Uplink control information determination method and communication device
WO2020211095A1 (zh) 一种信号加扰方法及装置、通信设备
WO2018202041A1 (zh) 信息发送的方法及其装置和信息接收的方法及其装置
WO2021068264A1 (zh) 无线通信方法、装置和通信设备
WO2022206578A1 (zh) 发送信道状态信息报告的方法和装置
EP4280516A1 (en) Signal transmission method, apparatus, terminal device, network device, and storage medium
WO2022028501A1 (zh) 一种信号传输方法、装置及存储介质
WO2023206302A1 (zh) 信号发送、信号接收装置以及方法
WO2020073173A1 (zh) 通信方法和通信设备

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18816990

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2019569351

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2018816990

Country of ref document: EP

Effective date: 20191219