WO2018228293A1 - 一种信号传输的方法、设备和系统 - Google Patents

一种信号传输的方法、设备和系统 Download PDF

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Publication number
WO2018228293A1
WO2018228293A1 PCT/CN2018/090499 CN2018090499W WO2018228293A1 WO 2018228293 A1 WO2018228293 A1 WO 2018228293A1 CN 2018090499 W CN2018090499 W CN 2018090499W WO 2018228293 A1 WO2018228293 A1 WO 2018228293A1
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WIPO (PCT)
Prior art keywords
resource
information
reference signal
terminal device
indicate
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Ceased
Application number
PCT/CN2018/090499
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English (en)
French (fr)
Inventor
吴明
张弛
秦熠
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to EP18817864.4A priority Critical patent/EP3567787B1/en
Publication of WO2018228293A1 publication Critical patent/WO2018228293A1/zh
Priority to US16/567,523 priority patent/US11153774B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • 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
    • H04L5/0048—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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, 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
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0092—Indication of how the channel is divided
    • 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
    • H04L5/0062—Avoidance of ingress interference, e.g. ham radio channels
    • 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
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing

Definitions

  • the present application relates to the field of communications technologies, and in particular, to a method, device, and system for signal transmission.
  • LTE-A long term evolution-Advanced
  • Type A CLASS A
  • Type B CLASS B
  • CLASS A one channel status information
  • the base station configures a channel state information reference signal (CSI-RS) and a channel state information interference measurement (CSI-IM) resource for the terminal device.
  • CSI-RS channel state information reference signal
  • CSI-IM channel state information interference measurement
  • the terminal device configures a CSI subframe set
  • the base station allocates at most two CSI-IM resources to the terminal device in one CSI process.
  • the base station configures one or more CSI-RS resources and one or more CSI-IM resources for the terminal device.
  • the terminal device selects the interference measurement result on one of the resources to report, and reports the CSI-RS resource indicator (CRI) corresponding to the resource.
  • CRI CSI-RS resource indicator
  • TDD dynamic time division duplexing
  • the uplink and downlink transmissions are configured separately.
  • the uplink and downlink ratios between different cells may be different, and the information transmission direction between adjacent cells is different, resulting in cross-interference between uplink and downlink, that is, a transit reception point (TRP)-TRP User equipment (UE)-inter-UE interference.
  • TRP transit reception point
  • UE User equipment
  • the time slot 2 can be used for both uplink data transmission and downlink data transmission, and since the distance between the terminal device 1 and the terminal device 2 is relatively close, when the terminal device 1 transmits information on the time slot 2, it will be the terminal.
  • the information received by the device 2 causes interference, which is UE-UE interference.
  • the base station 2 transmits information to the terminal device 2, it interferes with the information received by the base station 1, and the interference is interference between the TRP and the TRP.
  • Inter-UE-UE interference and interference between TRP-TRP can be regarded as cross-interference. The scenario of cross-interference can also be shown in Figure 1b.
  • the gNB sends the information and the terminal device sends the information in the same time slot
  • the information sent by the terminal device causes interference to the RN1, and the interference is also cross interference, when the cross interference If it is large, it will lead to the failure of normal data transmission.
  • it is necessary to avoid scheduling terminal devices with large inter-cell interference at the same time, such as scheduling, beam and power.
  • the base station In order to coordinate between the base stations, the base station needs to know the interference situation between the UE-UE and before the TRP-TRP.
  • the uplink transmission interferes with the downlink transmission
  • the interference measurement method in the prior art mainly measures the same-direction interference, and the following line transmits the interference to the downlink transmission, and thus
  • the interference measurement method in the art is not applicable to the measurement of cross interference.
  • the embodiment of the present application provides a method, a device, and a system for signal transmission, which are helpful for improving the flexibility of resource configuration of a reference signal, and are therefore applicable to a scenario of cross-interference measurement.
  • an embodiment of the present application provides a method for signal transmission, including:
  • the second device may send the first information to the first device in the sending state or the receiving state to configure the resource of the reference signal for the first device, and improve the flexibility of resource configuration of the reference signal.
  • the technical solution is applied to the cross-interference measurement, taking the interference measurement between the UE and the UE as an example, the structure of the resource of the interference measurement signal configured by the transmitting base station for the transmitting terminal device and the receiving terminal are the receiving terminal.
  • the pattern of the resource configured for the interference measurement by the device is matched, thereby facilitating the receiving terminal device to receive the interference measurement signal sent by the transmitting terminal device on the resource used for the interference measurement to perform corresponding interference measurement, and obtain the transmission.
  • the interference situation of the terminal device on the receiving terminal device helps to improve the accuracy of the interference measurement between the UE and the UE.
  • the terminal device at the receiving end refers to a terminal device for receiving an interference measurement signal, performing interference measurement, and transmitting a reported value; the receiving base station is configured to allocate interference measurement resources for the terminal device, and receive the reported value.
  • the base station, the transmitting terminal device refers to a terminal device for transmitting an interference measurement signal, and the transmitting terminal base station is configured to indicate what signal the transmitting terminal device uses as an interference measurement signal.
  • FIG. 1a the terminal device 2 is a receiving terminal device
  • the base station 2 is a receiving terminal base station
  • the terminal device 1 is a transmitting terminal device
  • the base station 1 is a transmitting terminal base station.
  • only one transmitting terminal device and one transmitting base station are provided.
  • the scenario to be applied in this embodiment may be multiple sending terminal devices or multiple transmitting base stations, which is not limited.
  • the resource of the reference signal indicated by the first information may be a reference signal resource, or may be a plurality of reference signal resources, which is not limited in this embodiment of the present application.
  • the resource may be a resource of a non-zero power reference signal or a resource of a zero power reference signal.
  • the terminal device When the resource of the reference signal is a resource of a non-zero power reference signal, the terminal device sends a non-zero power reference signal on the resource of the reference signal, or receives the non-zero power reference signal on the resource of the reference signal, and Performing at least one of channel measurement and interference measurement; when the resource of the reference signal is configured as a resource of the power reference signal, the terminal device sends a zero-power reference signal on the resource of the reference signal (ie, the power of the transmitted reference signal is 0, equivalent to not transmitting a reference signal, or performing at least one of channel measurement and interference measurement on the resource.
  • the first device receives the second information sent by the second device, where the second information is used to indicate a transmission direction of the first device on the resource; Then, the first device determines, according to the second information, to perform at least one of interference measurement and channel measurement on the resource; or transmits the reference signal on the resource.
  • the first device determines at least one of signal interference measurement and channel measurement on the resource indicated by the first information, or determines a manner of transmitting the signal on the resource indicated by the first information, which is convenient to implement.
  • the first device sends a signal on the resource, or the received signal indicates the transmission direction of the first device on the resource, or indicates whether the first device is configured by using the uplink configuration or the downlink configuration of the resource itself.
  • the direction of transmission on this resource is a predefined range of the resource.
  • the first device may not be indicated by the second information, optionally, Determining, by the first device, a transmission direction of the first device on the resource according to a predefined rule; and then determining, by the first device, the resource on the resource according to a transmission direction of the first device on the resource At least one of interference measurement and channel measurement, or transmitting the reference signal on the resource.
  • a predefined rule is used to indicate a fixed transmission direction corresponding to the resource.
  • the second information is used to indicate a transmission direction of the first device on the resource, including:
  • the second information is used to indicate a transmission direction of the resource; or the second information is used to indicate a transceiver status of the first device.
  • the reference signal is a CSI-RS
  • the resource of the reference signal indicated by the first information is a CSI-RS resource
  • the first device is on the CSI-RS resource.
  • the first device determines to transmit the reference signal on the resource.
  • cross interference measurement can be performed by CSI-RS, thereby simplifying the way of cross interference measurement.
  • the reference signal sounding reference signal SRS the resource of the reference signal indicated by the first information is an SRS resource; and the transmission direction of the first device on the SRS resource When in downlink, the first device determines to perform at least one of interference measurement and channel measurement on the resource.
  • cross-interference measurement can be performed through SRS, thereby simplifying the way of cross-interference measurement.
  • the embodiment of the present application provides a method for signal transmission, including:
  • the second device sends the first information to the first device, where the first information is used to indicate a resource of the reference signal; the second device sends the second information to the first device, where the second information is used to indicate the location
  • the direction of transmission of the first device on the resource can be instructed to transmit the direction of the first device on the resource, so that the first device can determine, by using the transmission direction, at least one of signal interference measurement and channel measurement on the resource indicated by the first information, It is also determined how to send a signal on the resource indicated by the first information, which is convenient to implement.
  • the second information is used to indicate a transmission direction of the first device on the resource, and the second information is used to indicate the transmission of the resource. Or the second information is used to indicate the transceiver status of the first device.
  • an embodiment of the present application provides a device for signal transmission, including: a transceiver module and a processing module, where:
  • the transceiver module is configured to receive first information sent by the second device, where the first information is used to indicate a resource of the reference signal;
  • the processing module is configured to determine to perform at least one of interference measurement and channel measurement on the resource, or transmit the reference signal on the resource.
  • the transceiver module is further configured to receive second information sent by the second device, where the second information is used to indicate transmission of the first device on the resource
  • a processing module configured to determine, according to the second information, to perform at least one of interference measurement and channel measurement on the resource; or send the reference signal on the resource.
  • the second information is used to indicate a transmission direction of the first device on the resource, and the second information is used to indicate transmission of the resource. Or the second information is used to indicate the transceiver status of the first device.
  • the processing module is configured to determine, according to a predefined rule, a transmission direction of the first device on the resource; and according to the first device, on the resource And a transmission direction, determining to perform at least one of interference measurement and channel measurement on the resource, or transmitting the reference signal on the resource.
  • the predefined rule is used to indicate a fixed transmission direction corresponding to the resource.
  • the reference signal is a channel state information reference signal CSI-RS
  • the resource of the reference signal indicated by the first information is a CSI-RS resource
  • the reference signal sounding reference signal SRS the resource of the reference signal indicated by the first information is an SRS resource; and the processing module is configured to use a transmission direction on the SRS resource.
  • the first device determines to perform at least one of interference measurement and channel measurement on the resource.
  • the processing module corresponds to a processor in the hardware device
  • the transceiver module corresponds to the transceiver in the hardware module
  • the embodiment of the present application further provides a network side device, including a processor, a transceiver, and a memory, where the memory is used to store program instructions and information received and transmitted by the transceiver, and the processor is configured to execute the program stored in the memory.
  • the instruction implements the technical solution of any possible design provided by the first aspect or the first aspect of the embodiment of the present application.
  • the embodiment of the present application further provides a computer storage medium for storing the program of the first aspect or the technical solution of any possible design provided by the first aspect.
  • the embodiment of the present application provides a chip, which is coupled to a transceiver in a network side device, and is used to implement the technical solution of any of the possible aspects provided by the first aspect or the first aspect of the embodiment of the present application.
  • "coupled” in the context of the present application means that the two components are combined directly or indirectly with each other. This combination may be fixed or movable, which may allow for the transfer of fluid, electrical, electrical or other types of signals between the two components.
  • an embodiment of the present application provides a device for signal transmission, including: a transceiver and a processor, where the processor is configured to control the transceiver to send first information to a first device, where the first information is used by And a second information sent to the first device, where the second information is used to indicate a transmission direction of the first device on the resource.
  • the second information is used to indicate a transmission direction of the first device on the resource, and the second information is used to indicate transmission of the resource. Or the second information is used to indicate the transceiver status of the first device.
  • the processing module corresponds to a processor in the hardware device
  • the transceiver module corresponds to the transceiver in the hardware module
  • the embodiment of the present application further provides a network side device, including a processor, a transceiver, and a memory, where the memory is used to store program instructions and information received and transmitted by the transceiver, and the processor is configured to execute the program stored in the memory.
  • the instruction is to implement the technical solution of any possible design provided by the second aspect or the second aspect of the embodiment of the present application.
  • the embodiment of the present application further provides a computer storage medium for storing a program of any of the possible technical solutions provided by the second aspect or the second aspect.
  • the embodiment of the present application provides a chip, which is coupled to a transceiver in the network side device, and is used to implement the technical solution of any possible design provided by the second aspect or the second aspect of the embodiment of the present application.
  • "coupled” in the context of the present application means that the two components are combined directly or indirectly with each other. This combination may be fixed or movable, which may allow for the transfer of fluid, electrical, electrical or other types of signals between the two components.
  • the embodiment of the present application further provides a communication system, including the device of any of the possible aspects provided by the third aspect and the third aspect, and the device of any of the possible aspects provided by the fourth aspect and the fourth aspect.
  • FIG. 1a and 1b are schematic diagrams showing the architecture of a communication system
  • FIG. 2 is a schematic structural diagram of a communication system
  • FIG. 3 is a schematic flowchart of a signal transmission method according to an embodiment of the present application.
  • 4a and 4b are schematic diagrams of CSI-RS resources in an embodiment of the present application.
  • FIG. 5 is a schematic diagram of resources for sending an SRS according to an embodiment of the present application.
  • 6a and 6b are schematic diagrams of devices for signal transmission according to an embodiment of the present application.
  • FIG. 7a and 7b are schematic diagrams of devices for signal transmission according to an embodiment of the present application.
  • FIG. 8 is a schematic diagram of a communication system according to an embodiment of the present application.
  • the embodiments of the present application may be applied to, but not limited to, a long term evolution (LTE) system, a long term evolution-advanced (LTE-A) system, and an enhanced long term evolution (enhanced long term evolution).
  • LTE long term evolution
  • LTE-A long term evolution-advanced
  • enhanced long term evolution enhanced long term evolution
  • -advanced, eLTE), new radio (NR) systems and other communication systems can also be extended to, for example, wireless fidelity (WiFi), worldwide interoperability for microwave access (wimax),
  • WiFi wireless fidelity
  • wimax worldwide interoperability for microwave access
  • 3gpp 3rd generation partnership project
  • the specific communication system architecture applied in the embodiment of the present application may be as shown in FIG. 2, including the base station and the terminal device, which need to be explained.
  • the communication system to which the embodiment of the present application is applied may further include a plurality of devices having a relay function, such
  • the first device involved in the embodiment of the present application may be a terminal device, and may also be a device having a relay function.
  • the terminal device may be a device for providing voice and/or data connectivity to the user. Handheld devices with wireless connectivity or other processing devices connected to a wireless modem.
  • the terminal device may also be a wireless terminal, wherein the wireless terminal may communicate with one or more core networks via a radio access network (RAN), and the wireless terminal may be a mobile terminal, such as a mobile phone (or A cellular telephone, or a computer having a mobile terminal, for example, a computer having a mobile terminal can be a portable, pocket, handheld, computer built-in or in-vehicle mobile device that exchanges language and/or data with the wireless access network.
  • RAN radio access network
  • the wireless terminal can also be a personal communication service (PCS) phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant. (personal digital assistant, PDA) and other equipment.
  • a wireless terminal may also be called a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, an access point (AP).
  • the remote terminal, the access terminal, the user terminal, the user agent, the user device, or the UE, etc., are not limited in this embodiment.
  • the device with the relay function in the embodiment of the present application may be a relay device, a terminal device, a base station, and other relay devices.
  • the embodiment of the present application is not limited, and the hub is a special repeater.
  • the second device in the embodiment of the present application may be a device with a relay function or a network device.
  • the second device may be a base station of various forms (such as a macro base station and a micro base station). A small station)), a relay station, an access point, etc., or may refer to a device in the access network that communicates with the wireless terminal over one or more sectors over the air interface.
  • the network device is a base station
  • the base station may be configured to convert the received air frame and an internet protocol (IP) packet into a router between the wireless terminal and the rest of the access network, where the access network The rest can include an IP network.
  • IP internet protocol
  • the base station can also be used to coordinate attribute management of the air interface.
  • the names of devices having a base station function may be different, for example, a global system for mobile communication (GSM) or code division multiple access (code division)
  • GSM global system for mobile communication
  • code division code division multiple access
  • a base station in a multiple access (CDMA) system is called a base transceiver station (BTS)
  • BTS base transceiver station
  • WCDMA wideband code division multiple access
  • node B node B
  • LTE LTE system
  • the base station in the middle is called an evolved base station (eNB), and the base station in the NR system is called a gNB.
  • eNB evolved base station
  • gNB evolved base station
  • the embodiments of the present application are not limited.
  • the second device when the first device is a terminal device, the second device may be a network device (such as a base station), and may also be a relay device.
  • the base station and the terminal device are far apart, the base station needs to be used by the relay device.
  • the first information that needs to be sent to the terminal device is sent to the terminal device; in addition, when the first device is the first relay device, the second device may be a network device, and may also be a second relay device, where the first relay The device and the second relay device are different relay devices.
  • the relay device in the embodiment of the present application may be a device having a relay function, such as a relay device, a terminal device, and a base station.
  • a relay device such as a relay device, a terminal device, and a base station.
  • the embodiment of the present application is not limited, and the hub is a special repeater.
  • the interference measurement is used to measure the interference signal
  • the channel measurement is used to measure the channel state information.
  • the base station configures the CSI-IM resource for the terminal device, and the terminal device measures the signal power received on the resource on the CSI-IM resource, and measures the CSI by using parameter information such as RSRP.
  • -IM interference situation for channel measurement, in LTE-A, the base station configures the CSI-RS resource for the terminal device, the terminal device measures on the CRS-RS resource, and calculates a channel quality indicator (CQI) based on the measurement result. ) to indicate the channel condition.
  • CQI channel quality indicator
  • the following is an example in which the first device is the terminal device and the second device is the base station.
  • the method for signal transmission in the embodiment of the present application includes:
  • Step 300 The base station sends first information to the terminal device, where the first information is used to indicate a resource of the reference signal.
  • Step 301 After receiving the first information sent by the base station, the terminal device determines to perform at least one of interference measurement and channel measurement on the resource, or sends a reference signal on the resource.
  • the resource of the reference signal indicated by the first information may be a reference signal resource, or may be a plurality of reference signal resources, which is not limited in this embodiment of the present application.
  • the resource can be a resource of a non-zero power reference signal or a resource of a zero power reference signal.
  • the terminal device When the resource of the reference signal is a resource of a non-zero power reference signal, the terminal device sends a non-zero power reference signal on the resource of the reference signal, or receives the non-zero power reference signal on the resource of the reference signal, and Performing at least one of channel measurement and interference measurement; when the resource of the reference signal is configured as a resource of the power reference signal, the terminal device sends a zero-power reference signal on the resource of the reference signal (ie, the power of the transmitted reference signal is 0, equivalent to not transmitting a reference signal, or performing at least one of channel measurement and interference measurement on the resource.
  • the non-zero power reference signal refers to the transmit power of the reference signal is greater than 0, and the zero power reference signal refers to the transmit power of the reference signal is 0, that is, the reference signal is not transmitted.
  • the base station may send the resource configuration of the same reference signal to the terminal device in the uplink sending state or the downlink receiving state, for example, resource configuration of the CSI-RS or resource configuration of the SRS.
  • the resource for transmitting the measurement signal and the resource for the interference measurement are configured by configuring the terminal device that transmits the measurement signal in the interference measurement and the terminal device that performs the interference measurement to configure the resource of the same reference signal.
  • the matching helps to obtain the interference situation of the terminal device that sends the measurement signal to the terminal device that performs the interference measurement, thereby helping to improve the accuracy of the interference measurement between the UE and the UE.
  • the uplink refers to a direction in which the terminal device sends data to the base station
  • the downlink refers to a direction in which the base station sends data to the terminal device
  • the base station may send the first information to the terminal device in the uplink state or the downlink state to indicate the resource of the reference signal. Therefore, after receiving the first information, the terminal device needs to determine the resource of the reference signal. Whether the configuration is for downstream configuration or for upstream configuration.
  • an optional implementation manner is: the base station sends the second information to the terminal device, where the second information is used to indicate the transmission direction of the terminal device on the resource, so that the terminal device determines, according to the second information, Performing at least one of interference measurement and channel measurement on the resource, or transmitting the reference signal on the resource, for example, when the transmission direction of the terminal device on the resource is uplink, the terminal device may determine to send the reference signal on the resource; When the transmission direction of the device on the resource is downlink, the terminal device may determine to perform at least one of interference measurement and channel measurement on the resource.
  • the second information may be a bitmap to indicate whether the resource of the reference signal is configured for uplink configuration or downlink configuration, for example, for a reference in the base station.
  • the configuration in which the resources in the resource configuration set of the signal are configured for the uplink configuration or the downlink configuration may be indicated by a bitmap; for example, the resource configuration of the reference signal includes a resource configuration of five reference signals, which may be through 5-bit information.
  • the resources of the respective reference signals are respectively indicated to be configured for uplink configuration or for downlink configuration.
  • the bit of the bit is 1 indicates that the reference signal resource corresponding to the bit is configured for uplink configuration
  • the bit of the bit is 0, indicating that the reference signal resource corresponding to the bit is configured for the downlink configuration
  • the resource configurations of the five reference signals are used for uplink, uplink, downlink, downlink, and uplink, respectively, and the bitmap is 11001. If the base station allocates resources of two reference signals in the resource set of the reference signal to the terminal device, the position of the corresponding bit of the resources of the two reference signals in the bitmap is the first bit from left to right in the bitmap. And the second bit, the resource indicated by the second information is configured as a configuration for uplink.
  • the base station may further perform a separate notification for the downlink or the uplink of the resource configuration of the reference signal indicated by the first information, and assume that the bit of the bit is 1 and the configuration of the resource identifying the reference signal is configured for uplink, and the bit is configured.
  • the bit of 0 identifies the configuration of the resource of the reference signal for the configuration of the downlink. If the base station configures a resource of a reference signal as a configuration for uplink, the second information includes a bit with a bit of 1.
  • the bits used in the second information to indicate different reference signal resource configurations may not be contiguous. The foregoing method is only an example, and more factors need to be considered in practice. The specific implementation manner of the second information is not limited in the embodiment of the present application.
  • the second information may be carried in radio resource control (RRC) signaling, and may also be carried in other signaling, such as a broadcast message, a system information block (SIB), and a main information.
  • RRC radio resource control
  • SIB system information block
  • MIB Master Information Block
  • MAC CE medium access control control unit
  • DCI downlink control information
  • the second information is used to indicate that the terminal device has a transmission direction on the resource
  • the second information is used to indicate a transmission direction of the resource.
  • the transmission direction of the resource refers to whether the resource is an uplink resource or a downlink resource, which may be pre-defined between the terminal device and the base station by using a protocol, or may be dynamically configured by the base station. This example does not limit this.
  • time division duplexing supports seven uplink and downlink ratios
  • the base station configures the uplink and downlink ratio of the TDD through RRC signaling
  • the configuration information of the uplink and downlink ratios can determine whether the transmission direction on each subframe is uplink or downlink. Since the transmission ratios of the 7 ratios in the LTE are the same in the subframe numbers 0, 2, and 5, the transmission directions of the 7 uplink and downlink ratios on the subframe numbers 0, 2, and 5 are downlink, uplink, and downlink. .
  • the terminal device can directly determine whether the resource configuration of the reference signal is used for downlink or uplink, and does not need to send uplink and downlink through the base station.
  • the matching information is determined.
  • the transmission direction on each time domain resource unit may change dynamically.
  • the time domain resource unit may be a slot, a transmission time interval (TTI), a subframe, a mini-slot, or the like.
  • TTI transmission time interval
  • subframe a mini-slot
  • the transmission direction of the time domain resource unit may be configured by the base station, or may be defined in advance.
  • the method for configuring the transmission direction of the time domain resource unit is not limited in the embodiment of the present application, for example, The base station configures the transmission direction of the time domain resource unit 5 to be downlink, and the time domain resource unit where the resource is located is the time domain resource unit 5, and the second information indicates that the transmission direction of the resource is downlink; and also in the flexible duplex scenario of the NR
  • the time domain resource units with fixed transmission directions may be pre-arranged between the terminal device and the base station by using a protocol, etc., for example, which time domain resource units are predefined for fixed uplink transmission or downlink transmission in the protocol, or may be performed by the base station.
  • the transmission direction of the resource indicated by the second information includes the transmission direction of the time slot in which the resource is located. If the protocol pre-defines a time domain resource unit of a fixed transmission direction, and the configured reference signal resource is located on the fixed time domain resource unit, the terminal device may determine a transmission direction on the resource of the reference signal according to a predefined rule.
  • the predefined methods can also include other methods.
  • the synchronization signal in the communication system is generally a downlink signal.
  • the time-frequency resource of the initial synchronization signal is usually predefined in the protocol. If the resource of the reference signal and the resource of the synchronization signal are located at the same time domain location, since the transmission direction of the terminal device in a frequency band at the same time may be the same, the terminal device may determine the transmission direction on the resource of the reference signal. For the downlink, it is further determined that at least one of interference measurement or channel measurement is performed on the resource.
  • the predefined method may also include other methods. In principle, the principle of the predefined method is that the terminal device can determine whether to transmit the reference signal or perform channel measurement and when performing the configured reference signal resource according to the predefined information. At least one of the interference measurements.
  • the content of the predefined information is not limited in the embodiment of the present application.
  • the second information may be used to indicate a transmission direction of one or more time domain resource units, where the content indicated by the second information includes a transmission direction on a time domain resource unit where the resource of the reference signal is located.
  • the second information is used to indicate a format of one or more time domain resource units, where the format of the time domain resource unit is multiple, for example, each symbol in the time domain resource unit is a downlink, or each of the time domain resource units Each symbol is an uplink, or the time domain resource unit has both an upstream symbol and a downlink symbol, and may have other portions, and so on.
  • the content indicated by the second information includes format information of the time domain resource unit where the resource of the reference signal is located, and the terminal device may determine, according to the second information, a transmission direction of the symbol where the resource of the reference signal is located.
  • the second information may also be used to indicate the scheduling information of the base station. For example, the scheduling of the base station on a certain time domain resource unit is downlink scheduling or uplink scheduling, and the terminal device may determine, according to the second information, the time domain resource of the resource of the reference signal. The direction of transmission on the unit.
  • the second information may also be used to indicate other information or configuration, and the terminal device may determine the transmission direction of the resource of the reference signal by using the configuration, that is, equivalent to an implicit indication method.
  • the content of the indication of the second information is not limited in the embodiment of the present application.
  • the second information in the above method only indicates the transmission direction on the time domain resource.
  • This method is mainly for a scenario where the terminal device can only use one transmission direction at the same time. Due to the large bandwidth supported by the NR, the terminal device may use different transmission directions in different frequency domain locations (such as inter-band inter-band), or different terminal devices in the same time domain resource in a full-duplex scenario.
  • the transmission direction of frequency domain resources may be different. Therefore, the second information may also be used to indicate a time domain resource and/or a frequency domain resource to indicate that the transmission direction is for the time domain resource and/or the frequency domain resource.
  • the second information is used to indicate that the transmission direction of the terminal device on the resource may be, and the second information is used to indicate the sending and receiving state of the terminal device.
  • the sending and receiving state of the terminal device refers to a state in which the terminal device is in a sending signal. Still the state of the received signal.
  • the second information may also be directly used to indicate the behavior of the terminal device, for example, directly indicating that the terminal device sends the reference signal on the resource of the reference signal, or directly instructing the terminal device to perform at least interference measurement and channel measurement on the resource of the reference signal.
  • the terminal device may determine, according to the behavior indicated by the second information, whether the resource is uplink or downlink, whether it is a transmitting state or a receiving state.
  • the terminal device determines, according to the predefined rule, the transmission direction of the terminal device on the resource of the reference signal; And determining, according to the transmission direction of the terminal device on the resource, performing at least one of interference measurement and channel measurement on the resource, or transmitting the reference signal on the resource.
  • the terminal device may further determine, by using the predefined rule and the second information, the transmission direction of the terminal device on the resource.
  • a time domain resource unit of a fixed uplink configuration or a downlink configuration may be predefined to appear in one or a certain fixed position (or number, index) of the time domain resource unit set, but for one time
  • the number of time domain resource units in the set of domain resource units and/or the starting end position of the set of time domain resource units may be configured by the base station.
  • the terminal device needs to determine the transmission direction on the reference signal resource by combining the predefined rule and the second information indicated by the base station.
  • the method of combining the pre-defined rule with the indication of the base station may also be other methods, which is not limited by the embodiment of the present application.
  • the uplink transmission of the system uses SRS for channel measurement
  • the downlink transmission of the system uses CSI-RS for interference measurement.
  • one possible UE-UE interference measurement method is that the transmitting terminal device transmits the SRS as the measurement signal, and the receiving base station configures the CSI-RS resource to the receiving terminal device for the interference measurement. And / or channel measurement.
  • the CSI-RS resource in the existing NR technology includes one or more CSI-RS RE pattern, where the component CSI-RS RE pattern is (Y, Z), Y. It is the number of consecutive Resource Elements (REs) in the frequency domain, and Z is the number of consecutive REs in the time domain.
  • the candidate (Y, Z) has (1, 2), (2, 1), (4, 1), (8, 1), (2, 2), (2, 4), and the like.
  • the CSI-RS resource includes a (4, 1) component CSI-RS RE pattern as shown in FIG. 4a.
  • the transmitting base station configures a comb structure resource for the transmitting terminal device to send the SRS, where the combo subcarrier spacing of the SRS is 2 subcarriers or 4 subcarriers, and when the subcarrier spacing of the SRS is 4 subcarriers, the transmitting end
  • the base station configures the comb structure resource for the transmitting terminal device.
  • the receiving base station configures the receiving terminal device.
  • the pattern of the CSI-RS resource is not matched with the pattern of the comb structure resource configured by the transmitting base station for transmitting the SRS for the transmitting terminal device, and thus the interference between individual UE-UEs cannot be accurately measured.
  • the terminal device at the receiving end refers to a terminal device for receiving an interference measurement signal, performing interference measurement, and transmitting a reported value; the receiving base station is configured to allocate interference measurement resources for the terminal device, and receive the reported value.
  • the base station, the transmitting terminal device refers to a terminal device for transmitting an interference measurement signal, and the transmitting terminal base station is configured to indicate what signal the transmitting terminal device uses as an interference measurement signal.
  • FIG. 1a the terminal device 2 is a receiving terminal device
  • the base station 2 is a receiving terminal base station
  • the terminal device 1 is a transmitting terminal device
  • the base station 1 is a transmitting terminal base station.
  • only one transmitting terminal device and one transmitting base station are provided.
  • the scenario to be applied in this embodiment may be multiple sending terminal devices or multiple transmitting base stations, which is not limited.
  • the terminal and the base station referred to in the embodiment of the present application may be a transmitting end terminal device and a transmitting end base station, or may also be a receiving end terminal and a receiving end base station.
  • the first method is that the transmitting terminal device still transmits the SRS (the resource of the SRS is a comb structure) as the measurement signal for the interference measurement.
  • the receiving end base station also configures the receiving end terminal device with the matched SRS resources for interference measurement.
  • a feasible method is a configuration method in which the receiving end multiplexes the uplink SRS resources, that is, the receiving end base station can send the interference measurement resource with the SRS configuration to the receiving terminal device.
  • the second method is that the receiving base station still configures the CSI-RS resource as the interference measurement resource for the receiving terminal device, but the transmitting base station configures the CSI-RS resource matched with the transmitting terminal device for transmitting the interference measurement signal.
  • a feasible method is a configuration method in which the transmitting end multiplexes the downlink CSI-RS resources, that is, the transmitting end base station can send the reference signal transmitting resource with the CSI-RS configuration to the transmitting terminal device.
  • the terminal device may be a transmitting terminal device that performs interference measurement between the UE and the UE, that is, a terminal device that transmits a reference signal, and the transmitting base station that manages the transmitting terminal device sends the signal to the transmitting terminal.
  • the first information sent by the terminal device is used to indicate the CSI-RS resource.
  • the CSI-RS configuration is different only for the configuration on the downlink resource.
  • the transmitting terminal device may send the CSI-RS on the CSI-RS resource.
  • the CSI-RS sent by the transmitting terminal device to the receiving terminal device on the uplink CSI-RS resource configured by the transmitting base station is used for the interference measurement of the receiving terminal device.
  • the sequence of the CSI-RS may be the same as the existing CSI-RS sequence, or may be different from the existing CSI-RS sequence, which is not limited in this application.
  • the scenario shown in FIG. 1 is taken as an example. Since the base station 1 can configure the CSI-RS resource with the transmission direction as the uplink for the terminal device 1, the terminal device 1 can send the CSI-RS on the CSI-RS resource, and the terminal device 2 can The CSI-RS transmitted by the terminal device 1 is received. In the prior art, the base station can only allocate CSI-RS resources for the terminal device on the downlink resources for interference measurement or channel measurement of the terminal device.
  • the terminal device 2 can receive the CSI-RS transmitted by the terminal device 1 on the downlink CSI-RS resource allocated by the base station 2 for the terminal device 2, and the CSI-RS and the CSI-RS resource are mutually matched, so the terminal device 2
  • the interference measurement can be performed based on the CSI-RS sent by the terminal device 1 to obtain the interference measurement result of the terminal device 1 to the terminal device 2, thereby helping to avoid the prior art that the interference measurement resource and the interference measurement signal do not match. Get the interference situation of a single terminal device.
  • the terminal device may be a receiving end (or measuring end) terminal device that performs interference measurement between UEs and UEs, that is, receiving a reference signal (or performing interference measurement and/or channel measurement).
  • the terminal device, the base station that manages the receiving terminal device sends the first information to the receiving terminal device to indicate the SRS resource configuration, and the terminal device is different from the transmission direction of the SRS resource in the prior art after receiving the first information. It can only be configured as uplink.
  • the terminal device When the terminal device is in the downlink direction of the SRS resource, the terminal device performs at least one of interference measurement and channel measurement on the SRS resource.
  • the receiving end (or measuring end) terminal device performs at least one of interference measurement and channel measurement on the downlink SRS resource configured by the base station.
  • the interference measurement resource may be a reference power resource of zero power or non-zero power
  • the SRS configuration may be a zero power resource configuration or a non-zero power resource configuration. If the SRS configuration may be a non-zero-power resource configuration, the reference signal sequence corresponding to the SRS resource configuration may be the same as the existing SRS sequence, or may be different from the existing SRS sequence, which is not limited in this application. .
  • the names of the resources of the two reference signals may be different.
  • the non-zero-power CSI-RS reference signal resource in LTE-A is called a CSI-RS resource
  • a zero-power CSI-RS resource is called a CSI-IM (interference measurement) resource.
  • the configuration of the CSI-IM resource belongs to a part of the CSI-RS resource, and can be regarded as a resource configuration of the CSI-RS in essence.
  • the resource configuration of the reference signal uses a name, such as a CSI-RS configuration or an SRS configuration, it may actually include a zero power reference signal resource configuration or a non-zero power reference signal resource configuration.
  • the scenario shown in FIG. 1 is taken as an example.
  • the base station can only allocate the SRS resource for the terminal device on the uplink resource, and the base station 2 can be the terminal device 2 in the embodiment of the present application.
  • the SRS configuration is transmitted, so the terminal device 2 can receive the SRS transmitted by the terminal device 1 on the comb resource. Since the SRS and the SRS resources are mutually matched, the terminal device 2 can obtain the interference measurement result of the terminal device 1 to the terminal device 2 when performing interference measurement according to the received SRS, thereby helping to avoid the prior art When the interference measurement resource does not match the interference measurement signal, the interference of the single terminal device cannot be obtained.
  • a reference signal may have similar rules.
  • the base station sends a certain channel, or a certain signal, or a configuration of an RS to the terminal device. Then, the terminal device is notified by an explicit signaling or an implicit method that the configuration is an uplink configuration or a downlink configuration, or the terminal device is notified to send or receive on the configured resource.
  • the notification method can be similar to the previous SRS and CSI-RS configuration methods.
  • the channel, the signal, and the RS may be existing channels, signals, and RSs, and may be new channels, signals, and RSs that are proposed for new requirements in future wireless communication systems.
  • the embodiments of the present application can be applied to an integrated access and backhaul system (a communication system in which a plurality of relays exist).
  • the relay in the system or the device with the relay function can perform downlink transmission and uplink reception.
  • the relay or the relay-enabled device receives the configuration of a certain channel, signal, and RS, it may need to determine that the reception is from The channel, the signal, the RS of the device that is relayed, or the channel, the signal, and the RS are sent to the device that accesses the relay device.
  • the embodiments of the present application are also applicable to other communication systems, such as a sidelink system or other existing communication systems or future wireless communication systems.
  • the application scenario in this application does not limit the application scenario.
  • the foregoing embodiment mainly describes a case where the first device is a terminal device, and the second device is a network device (base station).
  • the first device may also be a relay device or other device, and the second device may also be a relay device or other device.
  • the first device may be a terminal device, the second device is a relay device, or the first device is a relay device, and the second device is a network device or the like. Therefore, the present invention does not limit the first device and the second device, and may be determined according to a specific application scenario.
  • an apparatus for signal transmission is further provided in the embodiment of the present application, and the device is used to perform the action or function of the first device in the foregoing method embodiment.
  • the device of the present application further provides a device for performing signal transmission, and the device is used to perform the action or function of the second device in the foregoing method embodiment.
  • the application example also provides a communication system including a first device and a second device.
  • the content of the device part can be specifically seen in the method embodiment, and the repeated description will not be repeated.
  • the device for signal transmission of the embodiment of the present invention includes: a transceiver module 610a and a processing module 620a, wherein: the transceiver module 610a is configured to receive first information sent by the second device, where the first information is used for a resource indicating a reference signal; the processing module 620a is configured to determine to perform at least one of interference measurement and channel measurement on the resource, or transmit the reference signal on the resource.
  • the transceiver module 610a is further configured to receive second information sent by the second device, where the second information is used to indicate a transmission direction of the first device on the resource; 620a is configured to determine, according to the second information, to perform at least one of interference measurement and channel measurement on the resource; or send the reference signal on the resource.
  • the second information is used to indicate a transmission direction of the first device on the resource, and the second information is used to indicate a transmission direction of the resource; or The second information is used to indicate the transceiver status of the first device.
  • the processing module 620a is configured to determine, according to a predefined rule, a transmission direction of the first device on the resource, and determine, according to a transmission direction of the first device on the resource, Performing at least one of interference measurement and channel measurement on the resource, or transmitting the reference signal on the resource.
  • a predefined rule is used to indicate a fixed transmission direction corresponding to the resource.
  • the reference signal is a channel state information reference signal CSI-RS
  • the resource of the reference signal indicated by the first information is a CSI-RS resource
  • the processing module is used in the CSI-RS.
  • the reference signal sounding reference signal SRS the resource of the reference signal indicated by the first information is an SRS resource
  • the processing module is configured to: when the transmission direction on the SRS resource is downlink, The first device determines to perform at least one of interference measurement and channel measurement on the resource.
  • the processing module 620a may be implemented by a processor, and the transceiver module 610a may be implemented by a transceiver: specifically, as shown in FIG. 6b, the device 600b for signal transmission may include a processor 610b and a transceiver. 620b and memory 630b.
  • the transceiver 620b includes a receiver and a transmitter, and the memory 630b can be used to store a code for execution by the processor 610b for implementing the method performed by the first device in the embodiment of the present application.
  • the processor 610b may be a general-purpose central processing unit (CPU), a microprocessor, an application specific integrated circuit (ASIC), or one or more integrated circuits for performing related operations.
  • CPU central processing unit
  • ASIC application specific integrated circuit
  • the device 600b shown in FIG. 6b only shows the processor 610b, the transceiver 620b, and the memory 630b, in a specific implementation process, those skilled in the art should understand that the device 600b also includes a normal operation. Other devices that are required. At the same time, those skilled in the art will appreciate that the device 600b may also include hardware devices that implement other additional functions, depending on the particular needs. Moreover, those skilled in the art will appreciate that the device 600b may also only include the devices or modules necessary to implement the embodiments of the present application, and does not necessarily include all of the devices shown in FIG. 6b.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).
  • the apparatus 700 for signal transmission of the embodiment of the present application includes: a processing module 710a and a transceiver module 720a, wherein the processing module 710a is configured to control the transceiver module 720a to send first information to the first device.
  • the first information is used to indicate a resource of the reference signal; and the second information is sent to the first device, where the second information is used to indicate a transmission direction of the first device on the resource.
  • the second information is used to indicate a transmission direction of the first device on the resource, and the second information is used to indicate a transmission direction of the resource; or The second information is used to indicate the transceiver status of the first device.
  • the processing module 710a may be implemented by a processor
  • the transceiver module 720a may be implemented by a transceiver:
  • the device 700b shown in FIG. 7b may include a processor 710b, a transceiver 720b, and a memory 730b.
  • the transceiver 720b includes a receiver and a transmitter
  • the memory 730b can be used to store the program/code pre-installed by the device 700b, or can store code for the execution of the processor 710b, the code is used to implement the application.
  • the processor 710b may be a general-purpose CPU, a microprocessor, an ASIC, or one or more integrated circuits for performing related operations to implement the technical solutions provided by the embodiments of the present application.
  • the device 700b shown in FIG. 7b only shows the processor 710b, the transceiver 720b, and the memory 730b, in a specific implementation process, those skilled in the art will understand that the device 700b also includes a normal operation. Other devices that are required. At the same time, those skilled in the art will appreciate that the device 700b may also include hardware devices that implement other additional functions, depending on the particular needs. Moreover, those skilled in the art will appreciate that the device 700b may also only include the devices or modules necessary to implement the embodiments of the present application, and does not necessarily include all of the devices shown in Figure 7b.
  • the above storage medium may be a magnetic disk, an optical disk, a ROM, a RAM, or the like.
  • the communication system 800 of the embodiment of the present application includes a device 600a as shown in FIG. 6a and a device 700a as shown in FIG.
  • embodiments of the present application can be provided as a method, system, or computer program product.
  • the present application can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment in combination of software and hardware.
  • the application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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Abstract

一种信号传输的方法、设备和系统，涉及通信技术领域，其中该方法包括：第一设备在接收到第二设备发送的第一信息后，确定在资源上进行干扰测量和信道测量中的至少一个，或者在资源上发送参考信号。由于第二设备可以给处于发送状态或接收状态的第一设备发送第一信息，来为第一设备配置参考信号的资源，从而提高了参考信号的资源配置的灵活性，在将该技术方案应用于交叉干扰测量时，有助于提高UE-UE间的干扰测量的准确性。

Description

一种信号传输的方法、设备和系统
本申请中要求在2017年06月16日提交中国专利局、申请号为201710459134.3、申请名称为“一种信号传输的方法、设备和系统”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
本申请涉及通信技术领域，特别涉及一种信号传输的方法、设备和系统。
背景技术
长期演进高级(long term evolution-Advanced，LTE-A)系统中干扰测量上报的方式有两种类型：种类A(CLASS A)和种类B(CLASS B)，对于CLASS A类型，一个信道状态信息(channel state information，CSI)进程内，基站给终端设备配置一个信道状态信息参考信号(channel state information reference signal，CSI-RS)和一个信道状态信息干扰测量(CSI-interference measurement，CSI-IM)资源。若终端设备配置CSI子帧集合，那么一个CSI进程内，基站给终端设备最多配置两个CSI-IM资源。对于Class B类型，在一个CSI进程内，基站给终端设备配置一个或多个CSI-RS资源和一个或多个CSI-IM资源。不管是对于CLASS类型还是CLASS B类型，干扰测量上报时，终端设备选择其中的一个资源上的干扰测量结果进行上报，并且上报该资源对应的CSI-RS资源指示(CSI-RS resource indicator，CRI)。
为了高效地满足网络侧设备业务量的实际需求，提升资源的利用率，现有技术中引入了灵活双工技术(包括动态时分双工(time division duplexing，TDD))，可以对每个小区的上下行传输进行单独的配置。这种情况下，不同小区之间的上下行配比可能不同，相邻小区之间信息的传输方向不同，导致出现上下行之间的交叉干扰，即收发节点(transmission reception point，TRP)-TRP、用户设备(User Equipment，UE)-UE间的干扰，具体的，如图1a所示，终端设备1在时隙2向基站1发送信息，基站2在时隙2向终端设备2发送信息，因此时隙2即同时可用于上行数据传输，又可用于下行数据传输，而由于终端设备1和终端设备2距离可能较近，因此，当终端设备1在时隙2上发送信息时会对终端设备2接收的信息造成干扰，该干扰为UE-UE间干扰，基站2向终端设备2发送信息时会对基站1接收的信息造成干扰，而该干扰为TRP-TRP间干扰。UE-UE间干扰、TRP-TRP间的干扰可看做交叉干扰，出现交叉干扰的场景还可以如图1b所示，通用节点B(general node B，gNB)向中继节点(relay node，RN)1发送信息，终端设备向RN2发送信息，当gNB发送信息和终端设备发送信息在同一个时隙上时，则终端设备发送的信息对RN1造成干扰，该干扰也为交叉干扰，当交叉干扰较大时，会导致正常数据传输的失败，为了解决这一问题需要避免同时调度小区间干扰较大的终端设备，如可以通过调度、波束和功率等进行协调。而为了进行基站间的协调，基站需要知道UE-UE间、TRP-TRP之前的干扰情况。
对于交叉干扰，如UE-UE间干扰的是上行传输对下行传输的干扰，而现有技术中的干扰测量方式主要是针对同向干扰进行测量的，如下行传输对下行传输的干扰，因而现有技术中的干扰测量方式不适用于交叉干扰的测量。
发明内容
本申请实施例提供了一种信号传输的方法、设备和系统，有助于提高参考信号的资源配置的灵活性，从而适用于交叉干扰测量的场景。
第一方面，本申请实施例提供了一种信号传输的方法，包括：
第一设备接收第二设备发送的第一信息，所述第一信息用于指示参考信号的资源；然后确定在所述资源上进行干扰测量和信道测量中的至少一个，或者在所述资源上发送所述参考信号。
通过上述技术方案，第二设备可以给处于发送状态或接收状态的第一设备发送第一信息，来为第一设备配置参考信号的资源，提高了参考信号的资源配置的灵活性，在将该技术方案应用于交叉干扰测量时，以UE-UE间的干扰测量为例，能够使得发送端基站为发送端终端设备配置的干扰测量信号的资源的结构(pattern)与接收端基站为接收端终端设备配置的用于干扰测量的资源的pattern是匹配的，因而有助于接收端终端设备在用于干扰测量的资源上接收发送端终端设备发送的干扰测量信号进行相应的干扰测量，得到该发送端终端设备对该接收端终端设备的干扰情况，有助于提高UE-UE间的干扰测量的准确性。
需要说明的是，接收端终端设备指的是用于接收干扰测量信号，进行干扰测量，以及发送上报值的终端设备；接收端基站指的用于为终端设备分配干扰测量资源，以及接收上报值的基站，发送端终端设备指的是用于发送干扰测量信号的终端设备；发送端基站用于指示发送端终端设备使用什么信号作为干扰测量信号。以图1a为例，终端设备2为接收端终端设备，基站2为接收端基站，终端设备1为发送端终端设备，基站1为发送端基站。其中图1中仅是出了一个发送端终端设备和一个发送基站，本申请实施例应用的场景中可以为多个发送端终端设备或者多个发送端基站，对此不进行限定。
还需要说明的是，第一信息指示的参考信号的资源可以为一个参考信号资源，也可以为多个参考信号资源，本申请实施例对此不进行限定，具体的本申请实施例中参考信号的资源可以为非零功率参考信号的资源，也可以为零功率参考信号的资源。该参考信号的资源为非零功率参考信号的资源时，那么终端设备在该参考信号的资源上发送非零功率参考信号，或者，在该参考信号的资源上接收该非零功率参考信号，并进行信道测量和干扰测量中的至少一个；该参考信号的资源配置为零功率参考信号的资源时，则终端设备在该参考信号的资源上发送零功率参考信号(即发送的参考信号的功率为0，相当于不发送参考信号)，或者在该资源上进行信道测量和干扰测量中的至少一个。
基于第一方面，在一种可能的设计中，第一设备接收所述第二设备发送的第二信息，所述第二信息用于指示所述第一设备在所述资源上的传输方向；然后，第一设备根据第二信息，确定在所述资源上进行干扰测量和信道测量中的至少一个；或者在所述资源上发送所述参考信号。
通过上述技术方案，简化了第一设备确定在第一信息指示的资源上进行信号干扰测量和信道测量中的至少一个，还是确定在第一信息指示的资源上发送信号的方式，便于实现。
具体的，可以通过第一设备在该资源上是发送信号，还是接收信号来指示第一设备在该资源上的传输方向，或者通过资源本身的配置的是上行配置还是下行配置来指示第一设备在该资源上的传输方向。
此外，当预定义了某些资源的配置为上行配置还是下行配置固定时，若第一信息指示的资源在这些资源上时，则可以不用通过第二信息来指示第一设备，可选的，第一设备根 据预定义规则，确定所述第一设备在所述资源上的传输方向；然后，第一设备根据所述第一设备在所述资源上的传输方向，确定在所述资源上进行干扰测量和信道测量中的至少一个，或者在所述资源上发送所述参考信号。
基于第一方面，在一种可能的设计中，预定义规则用于指示所述资源对应的固定传输方向。
基于第一方面，在一种可能的设计中，第二信息用于指示第一设备在所述资源上的传输方向，包括：
第二信息用于指示所述资源的传输方向；或者，第二信息用于指示所述第一设备的收发状态。
基于第一方面，在一种可能的设计中，所述参考信号为CSI-RS，则第一信息指示的参考信号的资源为CSI-RS资源；第一设备在所述CSI-RS资源上的传输方向为上行时，所述第一设备确定在所述资源上发送所述参考信号。
通过上述技术方案，可以通过CSI-RS进行交叉干扰测量，从而简化了交叉干扰测量的方式。
基于第一方面，在一种可能的设计中，所述参考信号探测参考信号SRS，则所述第一信息指示的参考信号的资源为SRS资源；第一设备在所述SRS资源上的传输方向为下行时，所述第一设备确定在所述资源上进行干扰测量和信道测量中的至少一个。
通过上述技术方案，可以通过SRS进行交叉干扰测量，从而简化了交叉干扰测量的方式。
第二方面，本申请实施例提供了一种信号传输的方法，包括：
第二设备向第一设备发送第一信息，所述第一信息用于指示参考信号的资源；所述第二设备向所述第一设备发送第二信息,所述第二信息用于指示所述第一设备在所述资源上的传输方向。通过上述技术方案，能够向第一设备指示第一设备在资源上的传输方向，使得第一设备能够通过传输方向确定在第一信息指示的资源上进行信号干扰测量和信道测量中的至少一个，还是确定在第一信息指示的资源上发送信号的方式，便于实现。
基于第二方面，在一种可能的设计中，所述第二信息用于指示所述第一设备在所述资源上的传输方向，包括：所述第二信息用于指示所述资源的传输方向；或者，所述第二信息用于指示所述第一设备的收发状态。
通过上述技术方案，提供了两种第二信息的具体实现方式。
第三方面，本申请实施例提供了一种信号传输的设备，包括：收发模块和处理模块，其中：
收发模块用于接收第二设备发送的第一信息，所述第一信息用于指示参考信号的资源；
处理模块用于确定在所述资源上进行干扰测量和信道测量中的至少一个，或者在所述资源上发送所述参考信号。
基于第三方面，在一种可能的设计中，收发模块还用于接收所述第二设备发送的第二信息，所述第二信息用于指示所述第一设备在所述资源上的传输方向；处理模块用于用于根据所述第二信息，确定在所述资源上进行干扰测量和信道测量中的至少一个；或者在所述资源上发送所述参考信号。
基于第三方面，在一种可能的设计中，所述第二信息用于指示所述第一设备在所述资 源上的传输方向，包括：所述第二信息用于指示所述资源的传输方向；或者，所述第二信息用于指示所述第一设备的收发状态。
基于第三方面，在一种可能的设计中，处理模块用于根据预定义规则，确定所述第一设备在所述资源上的传输方向；并根据所述第一设备在所述资源上的传输方向，确定在所述资源上进行干扰测量和信道测量中的至少一个，或者在所述资源上发送所述参考信号。
基于第三方面，在一种可能的设计中，预定义规则用于指示所述资源对应的固定传输方向。
基于第三方面，在一种可能的设计中，所述参考信号为信道状态信息参考信号CSI-RS，则所述第一信息指示的参考信号的资源为CSI-RS资源；处理模块用于在所述CSI-RS资源上的传输方向为上行时，所述第一设备确定在所述资源上发送所述参考信号。
基于第三方面，在一种可能的设计中，所述参考信号探测参考信号SRS，则所述第一信息指示的参考信号的资源为SRS资源；处理模块用于在SRS资源上的传输方向为下行时，所述第一设备确定在所述资源上进行干扰测量和信道测量中的至少一个。
需要说明的是，在第三方面以及第三方面任意一种可能的设计中，处理模块对应于硬件设备中的处理器，收发模块对应于硬件模块中的收发器。
另一方面，本申请实施例还提供了一种网络侧设备，包括处理器、收发器和存储器，其中存储器用于存储程序指令和收发器接收和发送的信息，处理器用于执行存储器存储的程序指令，实现本申请实施例第一方面或者第一方面提供的任一可能设计的技术方案。
又一方面，本申请实施例还提供了一种计算机存储介质，用于存储第一方面或者第一方面提供的任一可能设计的技术方案的程序。
还一方面，本申请实施例提供了一种芯片，该芯片与网络侧设备中的收发器耦合，用于执行本申请实施例第一方面或者第一方面提供的任一可能设计的技术方案。应理解，在本申请实施例中“耦合”是指两个部件彼此直接或间接地结合。这种结合可以是固定的或可移动性的，这种结合可以允许流动液、电、电信号或其它类型信号在两个部件之间通信。
第四方面，本申请实施例提供了一种信号传输的设备，包括：收发器和处理器，所述处理器用于控制所述收发器向第一设备发送第一信息，所述第一信息用于指示参考信号的资源；以及向所述第一设备发送第二信息，所述第二信息用于指示所述第一设备在所述资源上的传输方向。
基于第四方面，在一种可能的设计中，所述第二信息用于指示所述第一设备在所述资源上的传输方向，包括：所述第二信息用于指示所述资源的传输方向；或者，所述第二信息用于指示所述第一设备的收发状态。
需要说明的是，在第四方面以及第四方面任意一种可能的设计中，处理模块对应于硬件设备中的处理器，收发模块对应于硬件模块中的收发器。
另一方面，本申请实施例还提供了一种网络侧设备，包括处理器、收发器和存储器，其中存储器用于存储程序指令和收发器接收和发送的信息，处理器用于执行存储器存储的程序指令，实现本申请实施例第二方面或者第二方面提供的任一可能设计的技术方案。
又一方面，本申请实施例还提供了一种计算机存储介质，用于存储第二方面或者第二方面提供的任一可能设计的技术方案的程序。
还一方面，本申请实施例提供了一种芯片，该芯片与网络侧设备中的收发器耦合，用于执行本申请实施例第二方面或者第二方面提供的任一可能设计的技术方案。应理解，在 本申请实施例中“耦合”是指两个部件彼此直接或间接地结合。这种结合可以是固定的或可移动性的，这种结合可以允许流动液、电、电信号或其它类型信号在两个部件之间通信。
本申请实施例还提供了一种通信系统，包括第三方面以及第三方面提供的任一可能设计的设备，和第四方面以及第四方面提供的任一可能设计的设备。
附图说明
图1a和图1b分别为通信系统的架构示意图；
图2为通信系统的架构示意图；
图3为本申请实施例信号传输方法的流程示意图；
图4a和图4b分别为本申请实施例CSI-RS资源的示意图；
图5为本申请实施例用于发送SRS的资源的示意图；
图6a和图6b分别为本申请实施例信号传输的设备的示意图；
图7a和图7b分别为本申请实施例信号传输的设备的示意图；
图8为本申请实施例通信系统的示意图。
具体实施方式
下面结合说明书附图对本申请实施例进行详细介绍。
应理解，本申请实施例可以应用于但不限于长期演进(long term evolution，LTE)系统，长期演进高级(long term evolution-advanced，LTE-A)系统，增强的长期演进技术(enhanced long term evolution-advanced，eLTE)，新无线(new radio，NR)系统等通信系统中，也可以扩展到如无线保真(wireless fidelity，WiFi)、全球微波互联接入(worldwide interoperability for microwave access，wimax)、以及第三代合作伙伴计划(3rd generation partnership project，3gpp)等相关的蜂窝系统中，具体的本申请实施例所应用的通信系统架构可以如图2所示，包括基站和终端设备，需要说明的是本申请实施例所应用的通信系统还可以包括多个具有中继功能的设备，如RN。
应理解，本申请实施例所涉及的第一设备可以为终端设备，还可以为具有中继功能的设备，具体的，终端设备可以为用于向用户提供语音和/或数据连通性的设备、具有无线连接功能的手持式设备、或连接到无线调制解调器的其他处理设备。终端设备还可以为无线终端，其中，无线终端可以经无线接入网(radio access network，RAN)与一个或多个核心网进行通信，无线终端可以是移动终端，如移动电话(或称为“蜂窝”电话)、或具有移动终端的计算机，例如，具有移动终端的计算机可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置，它们与无线接入网交换语言和/或数据。例如，无线终端还可以为个人通信业务(personal communication service，PCS)电话、无绳电话、会话发起协议(session initiation protocol，SIP)话机、无线本地环路(wireless local loop，WLL)站、个人数字助理(personal digital assistant，PDA)等设备。无线终端也可以称为系统、订户单元(subscriber unit)、订户站(subscriber station)，移动站(mobile station)、移动台(mobile)、远程站(remote station)、接入点(access point，AP)、远程终端(remote terminal)、接入终端(access terminal)、用户终端(user terminal)、用户代理(user agent)、用户设备(user device)、或UE等，本申请实施例不做限定。本申请实施例中具有中继功能的设备可以为中继器、终端设备、基站等其它中继设备，本申请实施例不做限定，其中集线器 是一种特殊的中继器。
本申请实施例中的第二设备可以为具有中继功能的设备，也可以为网络设备，当第二设备为网络设备时，可以为各种形式的基站(如宏基站、微基站(也成为小站))、中继站、接入点等，或者可以是指接入网中在空中接口上通过一个或多个扇区与无线终端通信的设备。当网络设备为基站时，基站可用于将收到的空中帧与网际协议(internet protocol，IP)分组进行相互转换，作为无线终端与接入网的其余部分之间的路由器，其中接入网的其余部分可包括IP网络。基站还可用于协调对空中接口的属性管理。其中，在采用不同无线接入技术的通信系统中，具备基站功能的设备的名称可能会有所不同，例如，全球移动通信系统(global system for mobile communication，GSM)或码分多址(code division multiple access，CDMA)系统中的基站称之为基站(base transceiver station，BTS)、宽带码分多址(wideband code division multiple access，WCDMA)中的基站称之为节点B(node B)、LTE系统中的基站称之为演进型基站(evolutional node B，eNB)、NR系统中的基站称之为gNB等。本申请实施例并不限定。
在本申请实施例中第一设备为终端设备时，第二设备可以为网络设备(如基站)，还可以为中继设备，例如基站与终端设备距离较远时，需要通过中继设备将基站需要发送给终端设备的第一信息发送给终端设备；此外，在第一设备为第一中继设备时，第二设备可以为网络设备，还可以为第二中继设备，其中第一中继设备和第二中继设备为不同的中继设备。
本申请实施例中涉及的中继设备可以为中继器、终端设备、基站等具有中继功能的设备，本申请实施例不做限定，其中集线器是一种特殊的中继器。
应理解，在本申请实施例中干扰测量是用来测量干扰信号的，信道测量是用来测量信道状态信息的。示例的，对于干扰测量，在LTE-A中，基站给终端设备配置CSI-IM资源，终端设备在CSI-IM资源上测量该资源上接收到的信号功率等，通过RSRP等参数信息来衡量CSI-IM的干扰情况；对于信道测量，在LTE-A中，基站给终端设备配置CSI-RS资源，终端设备在CRS-RS资源上测量，并基于测量结果计算信道质量指示(channel qulity indicator，CQI)来指示信道情况。
下面以第一设备为终端设备、第二设备为基站为例进行说明。
如图3所示，本申请实施例信号传输的方法，包括：
步骤300，基站向终端设备发送第一信息，第一信息用于指示参考信号的资源。
步骤301，终端设备在接收到基站发送的第一信息后，确定在资源上进行干扰测量和信道测量中的至少一个，或者在资源上发送参考信号。
需要说明的是，第一信息指示的参考信号的资源可以为一个参考信号资源，也可以为多个参考信号资源，本申请实施例对此不进行限定，具体的本申请实施例中参考信号的资源可以为非零功率参考信号的资源，也可以为零功率参考信号的资源。该参考信号的资源为非零功率参考信号的资源时，那么终端设备在该参考信号的资源上发送非零功率参考信号，或者，在该参考信号的资源上接收该非零功率参考信号，并进行信道测量和干扰测量中的至少一个；该参考信号的资源配置为零功率参考信号的资源时，则终端设备在该参考信号的资源上发送零功率参考信号(即发送的参考信号的功率为0，相当于不发送参考信号)，或者在该资源上进行信道测量和干扰测量中的至少一个。
具体的，在本申请实施例中，非零功率参考信号指的是参考信号的发射功率大于0， 零功率参考信号指的是参考信号的发射功率为0，即不发送参考信号。
本申请实施例中基站可以给处于上行发送状态或下行接收状态的终端设备发送同一种参考信号的资源配置，例如CSI-RS的资源配置或SRS的资源配置。在进行UE-UE间的干扰测量时，通过给干扰测量中发送测量信号的终端设备和进行干扰测量的终端设备配置同一种参考信号的资源，使得用于发送测量信号的资源和干扰测量的资源相匹配，有助于得到发送测量信号的终端设备对进行干扰测量的终端设备的干扰情况，从而有助于提高UE-UE间的干扰测量的准确性。
需要说明的是，在本申请实施例中上行指的是终端设备向基站发送数据的方向，下行指的是基站向终端设备发送数据的方向。
在本申请实施例中，基站给处于上行状态或下行状态的终端设备都可能发送第一信息用于指示参考信号的资源，因此，终端设备在接收到第一信息后，需要确定参考信号的资源配置是用于下行的配置还是用于上行的配置。具体的，一种可选的实现方式为：基站向终端设备发送第二信息，第二信息用于指示终端设备在该资源上的传输方向，这样终端设备根据第二信息，就可以确定在该资源上进行干扰测量和信道测量中的至少一个，或者在该资源上发送参考信号，例如，终端设备在该资源上的传输方向为上行时，终端设备可以确定在该资源上发送参考信号；终端设备在该资源上的传输方向为下行时，终端设备可以确定在该资源上进行干扰测量和信道测量中的至少一个。
在本申请实施例中，示例的，第二信息可以为比特图(bitmap)，用于指示参考信号的资源配置为用于上行的配置还是用于下行的配置，例如，基站中对于某个参考信号的资源配置集合中各个资源配置为用于上行的配置还是下行的配置可以通过bitmap进行指示；示例的，参考信号的资源配置集合中包括5个参考信号的资源配置，可以通过5比特信息来分别指示各个参考信号的资源配置为用于上行的配置还是用于下行的配置。例如假设比特位的比特为1表示该比特位对应的参考信号资源配置为用于上行的配置，比特位的比特为0表示该比特位对应的参考信号资源配置为用于下行的配置，若该5个参考信号的资源配置分别用于上行、上行、下行、下行、上行，则bitmap为11001。若基站为终端设备分配了参考信号的资源集合中的2个参考信号的资源，其中2个参考信号的资源分别对应的比特在比特图中的位置为bitmap中从左向右数的第一位和第二位，则第二信息指示的资源配置为用于上行的配置。此外，基站还可以针对第一信息指示的参考信号的资源配置用于下行还是上行进行单独的通知，假设比特位的比特为1标识该参考信号的资源的配置为用于上行的配置，比特位的比特为0标识该参考信号的资源的配置为用于下行的配置。若基站将某个参考信号的资源配置为用于上行的配置，那么第二信息中包含一个比特为1的比特位。第二信息中用于指示不同的参考信号资源配置的比特位可能不是连续的。上述方法仅为一个示例，实际中还需要考虑更多因素，本申请实施例对第二信息的具体实现方式不做限定。需要说明的是，第二信息可承载在无线资源控制(radio resource control，RRC)信令中，还可以承载在其他信令，例如广播消息，系统信息块(system information block，SIB)，主信息块(Master Information Block，MIB)，介质访问控制控制单元(MAC control element，MAC CE)，物理层信令(如下行控制信息(downlink control information，DCI))等信令中。本申请实施例对此不做限定。
进一步的，第二信息用于指示终端设备在该资源上的传输方向可以为，第二信息用于指示该资源的传输方向。其中，该资源的传输方向指的是该资源为上行资源还是下行资源， 其可以是通过协议等形式在终端设备和基站之间预先规定好的，也可以是由基站动态配置的，本申请实施例对此不进行限定。
例如长期演进高级(long term evolution advanced，LTE-A)通信系统中时分双工(time division duplexing，TDD)支持7种上下行配比，基站通过RRC信令配置TDD的上下行配比，终端设备通过上下行配比的配置信息可以确定在每个子帧上的传输方向为上行还是下行。由于LTE中的7中配比在子帧编号0、2、5的时候传输方向都相同，7种上下行配比在子帧编号0、2、5上的传输方向均为下行、上行、下行。因此对于LTE-A系统，若参考信号的资源配置位于这几个编号的子帧上时，终端设备可以直接确定参考信号的资源配置是用于下行还是上行，可以不需要通过基站发送的上下行配比信息确定。此时，相当于协议的一种预定义规则。此外，NR中的灵活双工场景下，每个时域资源单元上的传输方向可能动态改变。其中，需要说明的是，在本申请实施例中时域资源单元可以为时隙(slot)、传输时间间隔(transmission time interval，TTI)、子帧、迷你时隙(mini-slot)或者其它具有相同功能的结构，本申请实施例对此不进行限定。下面以时域资源单元为例进行说明，其中时域资源单元的传输方向可以由基站进行配置，也可以预先定义，本申请实施例对时域资源单元的传输方向的配置方法不进行限定，例如基站配置时域资源单元5的传输方向为下行，而资源所在的时域资源单元为时域资源单元5，则第二信息指示资源的传输方向为下行；同时在NR的灵活双工场景中还存在一些固定传输方向的时域资源单元，即在这些时域资源单元上所有小区的传输方向均为上行或均为下行。这些传输方向固定的时域资源单元可以通过协议等形式在终端设备和基站之间预先约定好，例如协议中预定义在哪些时域资源单元上为固定上行传输或下行传输，也可以由基站进行配置，则第二信息指示的资源的传输方向包括该资源所在时隙的传输方向。若协议预定义了固定传输方向的时域资源单元，并且配置的参考信号资源位于该固定的时域资源单元上，那么终端设备可以根据预定义规则确定参考信号的资源上的传输方向。预定义的方法还可以包含其他方法。例如通信系统中的同步信号一般是下行信号，为了便于终端设备接入基站，通常协议里会预定义初始的同步信号的时频资源。若该参考信号的资源与同步信号的资源位于相同时域位置上，由于终端设备在相同时刻的一段频带上的传输方向可能是相同的，因此终端设备可以判断该参考信号的资源上的传输方向为下行，进而可以判断在该资源上进行干扰测量或者信道测量中的至少一个。除此之外，预定义方法还可以包含其他方法，总之预定义方法的原则就是，终端设备可以根据该预定义的信息判断在配置的参考信号资源上时发送该参考信号或是进行信道测量和干扰测量中的至少一个。本申请实施例对预定义信息的内容不做限定。
第二信息可以用于指示一个或多个时域资源单元的传输方向，该第二信息指示的内容中包括参考信号的资源所在时域资源单元上的传输方向。或者第二信息用于指示一个或多个时域资源单元的格式，时域资源单元的格式有多种，例如时域资源单元中的每个符号均为下行，或时域资源单元中的每个符号均为上行，或时域资源单元中既有上行符号又有下行符号，还可能有其他部分，等等。第二信息指示的内容中包括参考信号的资源所在时域资源单元的格式信息，终端设备可以根据该第二信息确定参考信号的资源所在的符号的传输方向。第二信息还可以用于指示基站的调度信息，例如，基站在某个时域资源单元上的调度为下行调度或者上行调度，终端设备可以根据该第二信息确定参考信号的资源所在时域资源单元上的传输方向。第二信息还可以用于指示其他信息或配置，终端设备可以通过 该配置来确定参考信号的资源的传输方向，即相当于一种隐式指示方法。本申请实施例对第二信息的指示内容不做限定。
上述方法中第二信息只指示时域资源上的传输方向。这种方法主要是针对终端设备在同一时间上只能使用一种传输方向的场景。由于NR支持的带宽很大，终端设备在不同的频域位置上(如带间inter-band)可能使用不同的传输方向，或者在全双工场景下，终端设备在相同时域资源上的不同频域资源的传输方向可能不同。因此第二信息还可以用于指示时域资源和/或频域资源，以表示所述传输方向是针对那块时域资源和/或频域资源的。
此外，第二信息用于指示终端设备在该资源上的传输方向可以为，第二信息用于指示终端设备的收发状态，具体的，终端设备的收发状态指的是终端设备处于发送信号的状态还是接收信号的状态。
第二信息还可以是直接用来指示终端设备的行为，例如直接指示终端设备在参考信号的资源上发送参考信号，或者直接指示终端设备在参考信号的资源上进行干扰测量和信道测量中的至少一个。终端设备可根据第二信息指示的行为来判断在该资源上是上行还是下行或者是发送状态还是接收状态。
另一种可选的确定参考信号的资源配置是用于下行的配置还是用于上行的配置的实现方式为：终端设备根据预定义规则，确定终端设备在该参考信号的资源上的传输方向；并根据终端设备在资源上的传输方向，确定在资源上进行干扰测量和信道测量中的至少一个，或者在资源上发送参考信号。
在本申请实施例中终端设备还可通过预定义规则和第二信息共同来确定终端设备在该资源上的传输方向。例如，对于灵活双工场景，可以预定义固定的上行配置或下行配置的时域资源单元出现在时域资源单元集合的某一个或某几个固定位置(或编号，index)，但是对于一个时域资源单元集合中的时域资源单元个数和/或该时域资源单元集合的起始终止位置可以由基站进行配置。这种情况下终端设备就需要结合预定义规则和基站指示的第二信息来确定参考信号资源上的传输方向。预定义规则和基站的指示相结合的方法还可以由其他方法，本申请实施例对此不做限定。
由于现有技术中，系统的上行传输使用SRS进行信道测量，系统的下行传输使用CSI-RS进行干扰测量。
对于UE-UE间的干扰测量，一种可能的UE-UE间的干扰测量方法是干扰测量的发送端终端设备发送SRS作为测量信号，接收端基站给接收终端设备配置CSI-RS资源进行干扰测量和/或信道测量。而现有NR技术中的CSI-RS资源包括一个或多个一个或多个CSI-RS资源单元结构(component CSI-RS RE pattern)，其中component CSI-RS RE pattern为(Y，Z)，Y为频域上连续的资源单元(Resource Element，RE)个数，Z为时域上连续的RE的个数。候选的(Y，Z)有(1，2)、(2，1)、(4，1)、(8，1)、(2，2)、(2，4)等。示例的，CSI-RS资源包含一个(4，1)的component CSI-RS RE pattern时如图4a所示。CSI-RS资源包含一个(2，2)的component CSI-RS RE pattern时，如图4b所示。而发送端基站为发送端终端设备配置梳状结构资源来发送SRS，其中SRS的梳齿的子载波间隔为2个子载波或4个子载波，当SRS的子载波间隔为4个子载波时，发送端基站为发送端终端设备配置梳状结构资源如图5所示，由于现有的component CSI-RS RE pattern无法组合得到如图5所示的梳状资源，因此接收端基站为接收端终端设备配置的CSI-RS资源的pattern与发送端基站为发送端终端设备配置的用于发送SRS的梳状结构资源的pattern 是不匹配的，因而无法准确测量单个UE-UE间的干扰。
需要说明的是，接收端终端设备指的是用于接收干扰测量信号，进行干扰测量，以及发送上报值的终端设备；接收端基站指的用于为终端设备分配干扰测量资源，以及接收上报值的基站，发送端终端设备指的是用于发送干扰测量信号的终端设备；发送端基站用于指示发送端终端设备使用什么信号作为干扰测量信号。以图1a为例，终端设备2为接收端终端设备，基站2为接收端基站，终端设备1为发送端终端设备，基站1为发送端基站。其中图1中仅是出了一个发送端终端设备和一个发送基站，本申请实施例应用的场景中可以为多个发送端终端设备或者多个发送端基站，对此不进行限定。
本申请实施例中所指的终端和基站可以为发送端终端设备和发送端基站，或者也可以为接收端终端和接收端基站。
为了使干扰测量的发送测量信号的资源的pattern和接收测量信号的资源的pattern相匹配，方法一是发送端终端设备仍然发送SRS(SRS的资源为梳状结构)作为用于干扰测量的测量信号，接收端基站也给接收端终端设备配置与其匹配的SRS资源进行干扰测量。为了避免定义一种新的资源配置方法，一种可行的方法是接收端复用上行SRS资源的配置方法，即接收端基站可以给接收端终端设备下发具有SRS配置的干扰测量资源。方法二是接收端基站仍然为接收端终端设备配置CSI-RS资源作为干扰测量资源，但是发送端基站给发送端终端设备配置与其匹配的CSI-RS资源用于发送干扰测量信号。一种可行的方法是发送端复用下行CSI-RS资源的配置方法，即发送端基站可以给发送端终端设备下发具有CSI-RS配置的参考信号发送资源。
下面以参考信号分别为CSI-RS和SRS为例分别进行说明。参考信号为CSI-RS时，此时该终端设备可以是进行UE-UE间的干扰测量的发送端终端设备，即发送参考信号的终端设备，管理该发送端终端设备的发送端基站向该发送端终端设备发送的第一信息用于指示CSI-RS资源，该发送端终端设备在接收到第一信息后，不同于现有技术中CSI-RS配置只能是用于下行资源上的配置，当发送端终端设备在所述CSI-RS资源的传输方向为上行时，发送端终端设备可以在该CSI-RS资源上发送CSI-RS。对于UE-UE间的干扰测量，该发送端终端设备在发送端基站配置的上行CSI-RS资源上向接收端终端设备发送的CSI-RS，用于接收端终端设备的干扰测量。需要说明的是，所述CSI-RS的序列可能与现有的CSI-RS序列相同，也可能与现有的CSI-RS序列不相同，本申请不做限制。
其中以图1所示的场景为例，由于基站1能够为终端设备1配置传输方向为上行的CSI-RS资源，因此终端设备1能够在CSI-RS资源上发送CSI-RS，终端设备2可以接收终端设备1发送的CSI-RS。而现有技术中基站只能在下行资源上为终端设备分配CSI-RS资源用于终端设备的干扰测量或者信道测量。终端设备2能够在基站2为终端设备2分配的传输方向为下行的CSI-RS资源上接收终端设备1发送的CSI-RS，由于CSI-RS与CSI-RS资源是相互匹配的，因此终端设备2能够基于终端设备1发送的CSI-RS进行干扰测量，得到终端设备1对终端设备2的干扰测量结果，因而有助于避免现有技术中由于干扰测量资源与干扰测量信号不匹配时，无法得到单个终端设备的干扰情况。
此外，参考信号为SRS时，此时该终端设备可以是进行UE-UE间的干扰测量的接收端(或者测量端)终端设备，即接收参考信号(或者进行干扰测量和/或信道测量)的终端设备，管理该接收端终端设备的基站向该接收端终端设备发送第一信息用于指示SRS资源配置，该终端设备在接收到第一信息后，不同于现有技术中SRS资源的传输方向只能配置 为上行，当终端设备在该SRS资源的传输方向为下行，终端设备在SRS资源上进行干扰测量和信道测量中的至少一个。也就是说，该接收端(或者测量端)终端设备在基站配置的下行SRS资源上进行干扰测量和信道测量中的至少一种。需要说明的是，由于干扰测量资源可以为零功率或者非零功率的参考信号资源，因此所述SRS配置可以为零功率的资源配置或者非零功率的资源配置。若所述SRS配置可以为非零功率的资源配置，那么所述SRS资源配置对应的参考信号序列可能与现有的SRS序列相同，也可能与现有的SRS序列不相同，本申请不做限制。
对于零功率的参考信号和非零功率的参考信号，对两者参考信号的资源的名称可能不同，例如LTE-A中非零功率的CSI-RS参考信号资源称为CSI-RS资源，而对于零功率的CSI-RS资源，称为CSI-IM(interference measurement)资源。但CSI-IM资源的配置属于CSI-RS资源中的一部分，本质上也可以看做是CSI-RS的资源配置。本申请实施例中虽然对参考信号的资源配置均使用一个名称，例如CSI-RS配置或SRS配置，但其实际可以包括零功率参考信号资源配置或非零功率参考信号资源配置。
其中以图1所示的场景为例，现有技术中基站只能在上行资源上为终端设备分配SRS资源用于终端设备发送SRS，而在本申请实施例中由于基站2能够为终端设备2发送SRS配置，因此终端设备2能够在梳状的资源上接收终端设备1发送的SRS。由于SRS与SRS资源是相互匹配的，从而使得终端设备2在根据接收到的SRS进行干扰测量时，能够得到终端设备1对终端设备2的干扰测量结果，因而有助于避免现有技术中由于干扰测量资源与干扰测量信号不匹配时，无法得到单个终端设备的干扰情况。
除了CSI-RS和SRS之外，其他的信号如参考信号(reference signal，RS)等也可以有类似规则，例如基站给终端设备发送某一个信道、或某一个信号、或某一个RS的配置，再通过显式信令或隐式的方法通知终端设备该配置为上行配置或下行配置或者通知终端设备在配置的资源上进行发送或者接收。通知方法可以和前面SRS、CSI-RS配置方法类似。该信道、信号、RS可以为已有的信道、信号、RS，也可以是未来无线通信系统中针对新的需求提出的新的信道、信号、RS，本申请实施例对此不做限定。本申请实施例可以应用于接入回传一体化系统(存在多个中继(relay)的通信系统)。在该系统中的中继或具有中继功能的设备可以进行下行发送和上行接收，中继或者具有中继功能的设备接收到某个信道、信号、RS的配置时，可能需要确定是接收来自中继接入的设备的信道、信号、RS还是向接入该中继设备的设备发送信道、信号、RS。当然，本申请实施例也可应用于其他通信系统，例如sidelink系统或其他已有的通信系统或未来的无线通信系统。本申请实施例对应用场景不做限定。
上述实施例中主要针对第一设备是终端设备，第二设备为网络设备(基站)的情况进行说明。实际中第一设备还可能为中继设备或其他设备，第二设备也可能为中继设备或其他设备。例如在存在多个中继的通信系统中，第一设备可以为终端设备，第二设备为中继设备或者第一设备为中继设备，第二设备为网络设备等。因此本发明对第一设备和第二设备不做限定，可以视具体应用场景而定。
基于同一构思，本申请实施例中还提供了一种信号传输的设备，该设备用于执行上述方法实施例中的第一设备的动作或功能。
基于同一构思，本申请实施例中还提供了一种信号传输的设备，该设备用于执行上述方法实施例中的第二设备的动作或功能。
本申请示例还提供了一种通信系统，包括第一设备和第二设备。
为了节省篇幅，装置部分的内容可以具体能见方法实施例，重复之处不再赘述。
如图6a所示，本申请实施例的信号传输的设备，包括：收发模块610a和处理模块620a，其中：收发模块610a用于接收第二设备发送的第一信息，所述第一信息用于指示参考信号的资源；处理模块620a用于确定在所述资源上进行干扰测量和信道测量中的至少一个，或者在所述资源上发送所述参考信号。
在一种可能的设计中，收发模块610a还用于接收所述第二设备发送的第二信息，所述第二信息用于指示所述第一设备在所述资源上的传输方向；处理模块620a用于用于根据所述第二信息，确定在所述资源上进行干扰测量和信道测量中的至少一个；或者在所述资源上发送所述参考信号。
在一种可能的设计中，所述第二信息用于指示所述第一设备在所述资源上的传输方向，包括：所述第二信息用于指示所述资源的传输方向；或者，所述第二信息用于指示所述第一设备的收发状态。
在一种可能的设计中，处理模块620a用于根据预定义规则，确定所述第一设备在所述资源上的传输方向；并根据所述第一设备在所述资源上的传输方向，确定在所述资源上进行干扰测量和信道测量中的至少一个，或者在所述资源上发送所述参考信号。
在一种可能的设计中，预定义规则用于指示所述资源对应的固定传输方向。
在一种可能的设计中，所述参考信号为信道状态信息参考信号CSI-RS，则所述第一信息指示的参考信号的资源为CSI-RS资源；处理模块用于在所述CSI-RS资源上的传输方向为上行时，所述第一设备确定在所述资源上发送所述参考信号。
在一种可能的设计中，所述参考信号探测参考信号SRS，则所述第一信息指示的参考信号的资源为SRS资源；处理模块用于在SRS资源上的传输方向为下行时，所述第一设备确定在所述资源上进行干扰测量和信道测量中的至少一个。
应注意，本申请实施例中，处理模块620a可以由处理器实现，收发模块610a可以由收发器实现：具体的，可以如图6b所示，信号传输的设备600b可以包括处理器610b、收发器620b和存储器630b。其中，收发器620b包括接收器和发送器，存储器630b可以用于存储用于处理器610b执行时的代码，用于实现本申请实施例中第一设备所执行的方法。
其中，处理器610b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，用于执行相关操作，以实现本申请实施例所提供的技术方案。
应注意，尽管图6b所示的设备600b仅仅示出了处理器610b、收发器620b和存储器630b，但是在具体实现过程中，本领域的技术人员应当明白，该设备600b还包含实现正常运行所必须的其他器件。同时，根据具体需要，本领域的技术人员应当明白，该设备600b还可包含实现其他附加功能的硬件器件。此外，本领域的技术人员应当明白，该设备600b也可仅仅包含实现本申请实施例所必须的器件或模块，而不必包含图6b中所示的全部器件。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程，是可以通过计算机程序来指令相关的硬件来完成，上述的程序可存储于一计算机可读取存储介质中，该程序在执行时，可包括如上述各方法的实施例的流程。其中，上述的存储介质可为磁盘、光盘、只读存储记忆体(read-only memory，ROM)或随机存储记忆体(random access  memory，RAM)等。
如图7a所示，本申请实施例的信号传输的设备700，包括：处理模块710a和收发模块720a，其中，处理模块710a用于控制所述收发模块720a向第一设备发送第一信息，所述第一信息用于指示参考信号的资源；以及向所述第一设备发送第二信息，所述第二信息用于指示所述第一设备在所述资源上的传输方向。
在一种可能的设计中，所述第二信息用于指示所述第一设备在所述资源上的传输方向，包括：所述第二信息用于指示所述资源的传输方向；或者，所述第二信息用于指示所述第一设备的收发状态。
应注意，本申请实施例中，处理模块710a可以由处理器实现，收发模块720a可以由收发器实现：具体的，如图7b所示的设备700b可以包括处理器710b、收发器720b和存储器730b。其中，收发器720b包括接收器和发送器，存储器730b可以用于存储设备700b出厂时预装的程序/代码，也可以存储用于处理器710b执行时的代码，所述代码用于实现本申请中第二设备所需执行的方法。
其中，处理器710b可以采用通用的CPU，微处理器，ASIC，或者一个或多个集成电路，用于执行相关操作，以实现本申请实施例所提供的技术方案。
应注意，尽管图7b所示的设备700b仅仅示出了处理器710b、收发器720b和存储器730b，但是在具体实现过程中，本领域的技术人员应当明白，该设备700b还包含实现正常运行所必须的其他器件。同时，根据具体需要，本领域的技术人员应当明白，该设备700b还可包含实现其他附加功能的硬件器件。此外，本领域的技术人员应当明白，该设备700b也可仅仅包含实现本申请实施例所必须的器件或模块，而不必包含图7b中所示的全部器件。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程，是可以通过计算机程序来指令相关的硬件来完成，上述的程序可存储于一计算机可读取存储介质中，该程序在执行时，可包括如上述各方法的实施例的流程。其中，上述的存储介质可为磁盘、光盘、ROM或RAM等。
如图8所示，本申请实施例的通信系统800，包括如图6a所示的设备600a和如图7所示的设备700a。
本领域内的技术人员应明白，本申请实施例可提供为方法、系统、或计算机程序产品。因此，本申请可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本申请可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
本申请是参照根据本申请实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方 式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
尽管已描述了本申请中一些可能的实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例作出另外的变更和修改。所以，所附权利要求意欲解释为包括本申请实施例以及落入本申请范围的所有变更和修改。
显然，本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的精神和范围。这样，倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。

Claims (19)

  1. 一种信号传输的方法，其特征在于，包括：
    第一设备接收第二设备发送的第一信息，所述第一信息用于指示参考信号的资源；
    所述第一设备确定在所述资源上进行干扰测量和信道测量中的至少一个，或者在所述资源上发送所述参考信号。
  2. 如权利要求1所述的方法，其特征在于，所述方法还包括：
    所述第一设备接收所述第二设备发送的第二信息，所述第二信息用于指示所述第一设备在所述资源上的传输方向；
    所述第一设备确定在所述资源上进行干扰测量和信道测量中的至少一个，或者在所述资源上发送所述参考信号，包括：
    所述第一设备根据所述第二信息，确定在所述资源上进行干扰测量和信道测量中的至少一个；或者在所述资源上发送所述参考信号。
  3. 如权利要求2所述的方法，其特征在于，所述第二信息用于指示所述第一设备在所述资源上的传输方向，包括：
    所述第二信息用于指示所述资源的传输方向；或者，
    所述第二信息用于指示所述第一设备的收发状态。
  4. 如权利要求1至3中任一所述的方法，其特征在于，所述第一设备确定在所述资源上进行干扰测量和信道测量中的至少一个，或者在所述资源上发送所述参考信号，包括：
    所述第一设备根据预定义规则，确定所述第一设备在所述资源上的传输方向；
    所述第一设备根据所述第一设备在所述资源上的传输方向，确定在所述资源上进行干扰测量和信道测量中的至少一个，或者在所述资源上发送所述参考信号。
  5. 如权利要求4所述的方法，其特征在于，所述预定义规则用于指示所述资源对应的固定传输方向。
  6. 如权利要求1至5中任一所述的方法，其特征在于，所述参考信号为信道状态信息参考信号CSI-RS，则所述第一信息指示的参考信号的资源为CSI-RS资源；
    所述第一设备确定在所述资源上进行干扰测量和信道测量中的至少一个，或者在所述资源上发送所述参考信号，包括：
    所述第一设备在所述CSI-RS资源上的传输方向为上行时，所述第一设备确定在所述资源上发送所述参考信号。
  7. 如权利要求1至5中任一所述的方法，其特征在于，所述参考信号探测参考信号SRS，则所述第一信息指示的参考信号的资源为SRS资源；
    所述第一设备确定在所述资源上进行干扰测量和信道测量中的至少一个，或者在所述资源上发送所述参考信号，包括：
    所述第一设备在所述SRS资源上的传输方向为下行时，所述第一设备确定在所述资源上进行干扰测量和信道测量中的至少一个。
  8. 一种信号传输的方法，其特征在于，包括：
    第二设备向第一设备发送第一信息，所述第一信息用于指示参考信号的资源；
    所述第二设备向所述第一设备发送第二信息，所述第二信息用于指示所述第一设备在所述资源上的传输方向。
  9. 如权利要求8所述的方法，其特征在于，所述第二信息用于指示所述第一设备在所述资源上的传输方向，包括：
    所述第二信息用于指示所述资源的传输方向；或者，
    所述第二信息用于指示所述第一设备的收发状态。
  10. 一种信号传输的设备，其特征在于，包括：
    收发器，用于接收第二设备发送的第一信息，所述第一信息用于指示参考信号的资源；
    处理器，用于确定在所述资源上进行干扰测量和信道测量中的至少一个，或者在所述资源上发送所述参考信号。
  11. 如权利要求10所述的设备，其特征在于，所述收发器还用于：
    接收所述第二设备发送的第二信息，所述第二信息用于指示所述第一设备在所述资源上的传输方向；
    所述处理器，用于确定在所述资源上进行干扰测量和信道测量中的至少一个，或者在所述资源上发送所述参考信号，包括：
    所述处理器，用于根据所述第二信息，确定在所述资源上进行干扰测量和信道测量中的至少一个；或者在所述资源上发送所述参考信号。
  12. 如权利要求10所述的设备，其特征在于，所述第二信息用于指示所述第一设备在所述资源上的传输方向，包括：
    所述第二信息用于指示所述资源的传输方向；或者，
    所述第二信息用于指示所述第一设备的收发状态。
  13. 如权利要求10至12中任一所述的设备，其特征在于，所述处理器，用于确定在所述资源上进行干扰测量和信道测量中的至少一个，或者在所述资源上发送所述参考信号，包括：
    所述处理器，用于根据预定义规则，确定所述第一设备在所述资源上的传输方向；并根据所述第一设备在所述资源上的传输方向，确定在所述资源上进行干扰测量和信道测量中的至少一个，或者在所述资源上发送所述参考信号。
  14. 如权利要求12所述的设备，其特征在于，所述预定义规则用于指示所述资源对应的固定传输方向。
  15. 如权利要求10至14中任一所述的设备，其特征在于，所述参考信号为信道状态信息参考信号CSI-RS，则所述第一信息指示的参考信号的资源为CSI-RS资源；
    所述处理器，用于确定在所述资源上进行干扰测量和信道测量中的至少一个，或者在所述资源上发送所述参考信号，包括：
    所述处理器，用于在所述CSI-RS资源上的传输方向为上行时，所述第一设备确定在所述资源上发送所述参考信号。
  16. 如权利要求10至15中任一所述的设备，其特征在于，所述参考信号探测参考信号SRS，则所述第一信息指示的参考信号的资源为SRS资源；
    所述处理器，用于确定在所述资源上进行干扰测量和信道测量中的至少一个，或者在所述资源上发送所述参考信号，包括：
    所述处理器，用于在所述SRS资源上的传输方向为下行时，所述第一设备确定在所述资源上进行干扰测量和信道测量中的至少一个。
  17. 一种信号传输的设备，其特征在于，包括，收发器和处理器，所述处理器用于控 制所述收发器向第一设备发送第一信息，所述第一信息用于指示参考信号的资源；以及向所述第一设备发送第二信息，所述第二信息用于指示所述第一设备在所述资源上的传输方向。
  18. 如权利要求17所述的设备，其特征在于，所述第二信息用于指示所述第一设备在所述资源上的传输方向，包括：
    所述第二信息用于指示所述资源的传输方向；或者，
    所述第二信息用于指示所述第一设备的收发状态。
  19. 一种通信系统，其特征在于，包括如权利要求10至16任一所述的设备，和如权利要求17或18所述的设备。
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