WO2018141258A1 - Procédé et dispositif d'interaction d'informations entre des nœuds de communication - Google Patents

Procédé et dispositif d'interaction d'informations entre des nœuds de communication Download PDF

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Publication number
WO2018141258A1
WO2018141258A1 PCT/CN2018/074992 CN2018074992W WO2018141258A1 WO 2018141258 A1 WO2018141258 A1 WO 2018141258A1 CN 2018074992 W CN2018074992 W CN 2018074992W WO 2018141258 A1 WO2018141258 A1 WO 2018141258A1
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Prior art keywords
communication node
information
transmission mode
indicating
resource
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PCT/CN2018/074992
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English (en)
Chinese (zh)
Inventor
王瑜新
鲁照华
陈艺戬
李儒岳
吴昊
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中兴通讯股份有限公司
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Publication of WO2018141258A1 publication Critical patent/WO2018141258A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/247—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters where the output power of a terminal is based on a path parameter sent by another terminal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present disclosure relates to the field of communications, and in particular to a method and apparatus for information interaction between communication nodes.
  • High-frequency carrier communication has a large available bandwidth and can provide efficient high-speed data communication.
  • a big technical challenge faced by high-frequency carrier communication is that relatively low-frequency signals, the fading of high-frequency signals in space is very large, although the high-frequency signals in the outdoor communication have a spatial fading loss problem, but because of With its wavelength reduction, more antennas can usually be used so that communication can be based on the beam to compensate for fading losses in space.
  • the high-frequency communication system will configure a large number of antennas to form a downlink transmission beam to compensate for the spatial fading of high-frequency communication, and the terminal will also be configured with a large number of terminals.
  • the antenna forms an uplink transmission beam, and the base station side also selects an appropriate reception beam to match the received uplink signal.
  • different transmit beams of the UE should have different power parameter configurations and different transmissions.
  • the power parameter setting of the beam should take into account the level of interference caused by the adjacent area.
  • the embodiments of the present disclosure provide a method and an apparatus for information exchange between communication nodes, so as to at least solve the problem that the uplink signal transmission power cannot be effectively controlled in high frequency communication in the related art.
  • a method for information interaction between communication nodes including: a first communication node transmitting information to a second communication node, wherein the information includes at least one of: for indicating the first Information of a transmission mode scan period of the communication node, information for indicating a transmission mode scan resource of the first communication node, information for instructing the first communication node to initiate uplink transmission mode scanning, and indicating a transmission mode of the third communication node Information of a scan period, information for instructing a third communication node to scan a resource.
  • the sending manner includes at least one of: a transmitting beam, a transmitting antenna, a transmitting sector, a precoding of a transmitting end, an antenna port, an antenna weight vector, an antenna weight matrix, and a space division multiplexing manner.
  • Transmission method transmission method corresponding to frequency domain transmission diversity, transmission method corresponding to time domain transmission diversity, reference signal index indication mode, spatial domain transmission filter, spatial quasi-co-location (spatial quasi-co-location) ).
  • the information for indicating a transmission mode scan period of the first communication node includes: a time interval or a period in which the first communication node initiates a downlink transmission mode scan.
  • the information for indicating a transmission mode scan resource of the first communication node includes: the first communication node starts a downlink transmission mode scan where the time domain resource and/or the frequency domain resource and/or code are located. Domain resource.
  • the information for instructing the first communication node to initiate an uplink transmission mode scan includes: the first communication node is configured to initiate a uplink transmission mode scan of the time domain resource and/or configured by the third communication node. Frequency domain resources and/or code domain resources.
  • the information for indicating a transmission mode scan period of the third communication node includes at least one of: an uplink transmission mode scan period of the third communication node, and a third communication node The time interval between each uplink transmission mode.
  • the information for indicating a transmission mode scan resource of the third communication node includes: the third communication node starts time domain resources and/or frequency domain resources in which the uplink transmission mode scan is performed, and/or Code domain resources.
  • the method further includes: the first communication node receiving status information fed back by the second communication node, and controlling transmission power of the third communication node according to the status information.
  • the status message includes at least one of: a received power or interference level of the third communication node measured in different transmission modes by the second communication node in different transmission modes. And the received power or interference level of the third communication node in different transmission modes measured by the second communication node in the same receiving manner.
  • the receiving manner includes at least one of a receiving beam, a receiving antenna, a receiving sector, a reference signal, and a beam resource of a receiving end of the quasi-co-location indication of the antenna port, a reference reference signal, and an antenna port.
  • the beam resource at the receiving end of the quasi-co-location indication includes at least one of a receiving beam, a receiving antenna, a receiving sector, a reference signal, and a beam resource of a receiving end of the quasi-co-location indication of the antenna port, a reference reference signal, and an antenna port.
  • a method for information interaction between communication nodes including: receiving, by a second communication node, information sent by a first communication node, wherein the information includes at least one of: Information of a transmission mode scan period of a communication node, information for indicating a transmission mode scan resource of the first communication node, information for instructing the first communication node to initiate uplink transmission mode scanning, and for indicating transmission by the third communication node The information of the mode scan period and the information for instructing the third communication node to scan the resource.
  • the second communication node transmits a status message to the first communication node to cause the first communication node to control the transmission power of the third communication node according to the status information.
  • the status message includes at least one of: a received power or interference level of the third communication node measured in different transmission modes by the second communication node in different transmission modes. And the received power or interference level of the third communication node in different transmission modes measured by the second communication node in the same receiving manner.
  • the receiving manner includes at least one of a receiving beam, a receiving antenna, a receiving sector, a reference signal, and a beam resource of a receiving end of the quasi-co-location indication of the antenna port, a reference reference signal, and an antenna port.
  • the beam resource at the receiving end of the quasi-co-location indication includes at least one of a receiving beam, a receiving antenna, a receiving sector, a reference signal, and a beam resource of a receiving end of the quasi-co-location indication of the antenna port, a reference reference signal, and an antenna port.
  • the sending manner includes at least one of: a transmitting beam, a transmitting antenna, a transmitting sector, a precoding of a transmitting end, an antenna port, an antenna weight vector, an antenna weight matrix, and a space division multiplexing manner.
  • Transmission mode transmission mode corresponding to frequency domain/time domain transmission diversity, reference signal index indication mode, spatial domain transmission filter, spatial quasi-co-location.
  • the information for indicating a transmission mode scan period of the first communication node includes: a time interval or a period in which the first communication node initiates a downlink transmission mode scan.
  • the information for indicating a transmission mode scan resource of the first communication node includes: the first communication node starts a downlink transmission mode scan where the time domain resource and/or the frequency domain resource and/or code are located. Domain resource.
  • the information for instructing the first communication node to initiate an uplink transmission mode scan includes: the first communication node is configured to initiate a uplink transmission mode scan of the time domain resource and/or configured by the third communication node. Frequency domain resources and/or code domain resources.
  • the information for indicating a transmission mode scan period of the third communication node includes at least one of: an uplink transmission mode scan period of the third communication node, and a third communication node The time interval between each uplink transmission mode.
  • the information for indicating a transmission mode scan resource of the third communication node includes: the third communication node starts time domain resources and/or frequency domain resources in which the uplink transmission mode scan is performed, and/or Code domain resources.
  • the method further includes: the second communication node measuring the sending manner according to the information on one or more receiving manners The downlink reference signal or the uplink reference signal.
  • an information interaction apparatus between communication nodes, comprising: a processor and a memory storing the processor-executable instructions, when the instructions are executed by the processor, performing the following Operation: transmitting information to the second communication node, where the information includes at least one of: information for indicating a transmission mode scan period of the first communication node, information for indicating a transmission mode scan resource of the first communication node And information for instructing the first communication node to initiate uplink transmission mode scanning, information for indicating a transmission mode scan period of the third communication node, and information for indicating a transmission mode scan resource of the third communication node.
  • the sending manner includes at least one of: a transmitting beam, a transmitting antenna, a transmitting sector, a precoding of a transmitting end, an antenna port, an antenna weight vector, an antenna weight matrix, and a space division multiplexing manner.
  • Transmission method transmission method corresponding to frequency domain transmission diversity, transmission method corresponding to time domain transmission diversity, reference signal index indication mode, spatial domain transmission filter, spatial quasi-co-location (spatial quasi-co-location) ).
  • an information interaction apparatus between communication nodes, comprising: a processor and a memory storing the processor-executable instructions, when the instructions are executed by the processor, performing the following Operation: receiving information sent by the first communications node, where the information includes at least one of: information for indicating a sending mode scanning period of the first communications node, and indicating a sending mode of the first communications node to scan resources
  • the information is used to instruct the first communication node to start the uplink transmission mode scanning, the information indicating the transmission mode scanning period of the third communication node, and the information indicating the transmission mode scanning resource of the third communication node.
  • the sending manner includes at least one of: a transmitting beam, a transmitting antenna, a transmitting sector, a precoding of a transmitting end, an antenna port, an antenna weight vector, an antenna weight matrix, and a space division multiplexing manner.
  • Transmission method transmission method corresponding to frequency domain transmission diversity, transmission method corresponding to time domain transmission diversity, reference signal index indication mode, spatial domain transmission filter, spatial quasi-co-location (spatial quasi-co-location) ).
  • a storage medium is also provided.
  • the storage medium is arranged to store program code for performing the following steps:
  • the first communication node sends information to the second communication node, where the information includes at least one of: information indicating a transmission mode scan period of the first communication node, and a transmission mode scanning resource for indicating the first communication node And the information for instructing the first communication node to initiate the uplink transmission mode scan, the information indicating the transmission mode scan period of the third communication node, and the information indicating the transmission mode scan resource of the third communication node.
  • the storage medium is further arranged to store program code for performing the following steps:
  • the second communication node receives the information sent by the first communication node, where the information includes at least one of: information indicating a transmission mode scan period of the first communication node, and a transmission mode scan for indicating the first communication node
  • the information of the resource the information for instructing the first communication node to initiate the uplink transmission mode scan, the information indicating the transmission mode scan period of the third communication node, and the information indicating the transmission mode scan resource of the third communication node.
  • the first communication node transmits information to the second communication node, wherein the information includes at least one of: information indicating a transmission mode scan period of the first communication node, and indicating the first communication node
  • the information of the transmission mode scan resource, the information for instructing the first communication node to initiate the uplink transmission mode scan, the information indicating the transmission mode scan period of the third communication node, and the transmission mode scanning resource for indicating the third communication node The information solves the problem that the uplink signal transmission power cannot be effectively controlled in the high-frequency communication in the related art, and achieves the technical effect that the uplink signal transmission power can be effectively controlled.
  • FIG. 1 is a flow chart of a method of information interaction between communication nodes in accordance with an embodiment of the present disclosure
  • FIG. 2 is a structural block diagram of an information interaction device between communication nodes according to an embodiment of the present disclosure
  • FIG. 3 is a flow chart of a method of information interaction between another communication node in accordance with an embodiment of the present disclosure
  • FIG. 4 is a structural block diagram of an information interaction device between another communication node according to an embodiment of the present disclosure.
  • the Physical Downlink Control Channel (PDCCH) is used to carry uplink and downlink scheduling information and uplink power control information.
  • Downlink Control Information (DCI) format is divided into DCI format 0, 1, 1A, 1B, 1C, 1D, 2, 2A, 3, 3A, etc., and later evolved to LTE-A version 12 ( DCI formats 2B, 2C, and 2D have been added to LTE-A Release 12 to support a variety of different applications and transmission modes.
  • the base station eNB, e-Node-B
  • the uplink power control in the wireless system is very important. Through the uplink power control, the UE in the cell can ensure the quality of the data sent by the uplink, minimize the interference to other users in the system, and prolong the use time of the UE battery. .
  • the uplink data between different users in the same cell is orthogonal. Therefore, the LTE system adopts slow uplink power control, and mainly considers that the uplink transmission is adapted to different wireless transmission environments through power control. , including path loss, shadow fading, etc.
  • the objects of LTE power control include PUCCH, PUSCH, SRS, and the like. Although the data rates and importance of these uplink signals are different, the specific power control methods and parameters are not the same. But the principles are basically the same, which can be summarized as:
  • the open loop industrial control point target power P0 + open loop path loss compensation ⁇ ⁇ (PL).
  • the target power P0 is further divided into two parts: the cell target power and the UE-specific target power.
  • the open loop path loss PL is based on the UE's estimate of the path loss for the downlink.
  • the UE measures the received power (Reference Signal Received Power, RSRP) of the downlink reference signal RSRP reference signal, and performs signal phase power with a known RS (how much power is used when the reference signal base station transmits, and the terminal is signaled) Subtraction to estimate the path loss.
  • RSRP Reference Signal Received Power
  • the eNodeB determines the weight of the path loss in the uplink power control of the UE by the parameter path loss compensation factor ⁇ . For example, for a UE at the edge of a cell, if its transmit power is too high, it will cause interference to other cells, thereby reducing the capacity of the entire system. For PUCCH, since different PUCCH users are code division multiplexed, and ⁇ is 1, the interference between different PUCCH users can be better controlled.
  • the dynamic power offset consists of two parts, based on the power modulation ⁇ TF of the Modulation Coding Scheme (MCS) and the power control of the closed loop.
  • the MCS based power adjustment may cause the UE to dynamically adjust the corresponding transmit power spectral density based on the selected MCS.
  • the closed loop power control refers to the UE adjusting the transmit power of the UE by using a Transmitting Power Command (TPC) transmission power command in the PDCCH.
  • TPC Transmitting Power Command
  • the cumulative adjustment mode is applicable to PUSCH, PUCCH, and SRS.
  • the absolute value adjustment mode is only applicable to PUSCH.
  • the transition between the two different adjustment modes is semi-static.
  • the eNB indicates whether the UE adopts the accumulation mode or the absolute value mode through dedicated RRC radio resource control (RRC) signaling.
  • RRC radio resource control
  • the cumulative mode means that the current power adjustment value is increased/decreased in the value of the last power adjustment by an adjustment step indicated in the TPC, and the accumulation mode is the adjustment mode used by the UE by default.
  • the cumulative mode TPC in LTE can have two sets of different adjustment steps. The first set of steps is (-1, 0, 1, 3) dB, which is indicated by DCI format 0/3 for PUSCH and DCI for PUCCH. Format 1/1A/1B/1D/2/2A/3 indication. The second set of steps is (-1, 1), indicated by DCI format3a (for PUCCH and PUSCH).
  • the absolute value mode refers to directly using the power adjustment value indicated in the TPC, which is only applicable to the PUSCH. At this time, the eNodeB needs to explicitly turn off the power adjustment mode of the accumulation mode through RRC signaling.
  • the TPC value is (-4, -1, 1, 4) dB, indicated by DCI format 0/3, and its power adjustment range is up to 8 db, which is suitable for UE discontinuous uplink transmission.
  • the eNodeB is caused to adjust the UE's transmit power to a desired value in one step.
  • FIG. 1 is a flowchart of a method for information interaction between communication nodes according to an embodiment of the present disclosure. As shown in FIG. 1, the process includes the following steps:
  • Step S102 The first communications node sends information to the second communications node, where the information includes at least one of: information indicating a sending mode scan period of the first communications node, and indicating a sending manner of the first communications node.
  • the foregoing first communication node or the second communication node includes at least one of the following: a base station of a macro cell, a base station of a small cell, a transmission node, a sending node in a high frequency communication system, and a sending node in an Internet of Things system. , sending and controlling the device node of the terminal.
  • the third communication node includes at least one of the following: a user terminal UE, a mobile phone, a portable device, a car, and a receiving node in a communication system.
  • the application scenario of the information interaction method between the foregoing communication nodes includes, but is not limited to, a new radio access technology (New Radio Access Technology, NR for short), in the application scenario.
  • the first communication node sends information to the second communication node, where the information includes at least one of: information for indicating a transmission mode scan period of the first communication node, and a transmission mode scan resource for indicating the first communication node.
  • the information, the information for instructing the first communication node to initiate the uplink transmission mode scanning, the information indicating the transmission mode scanning period of the third communication node, and the information for indicating the transmission mode scanning resource of the third communication node are solved.
  • the problem that the uplink signal transmission power cannot be effectively controlled in the high frequency communication achieves the technical effect that the uplink signal transmission power can be effectively controlled.
  • the foregoing sending manner includes at least one of: a transmitting beam, a transmitting antenna, a transmitting sector, a precoding of a transmitting end, an antenna port, an antenna weight vector, an antenna weight matrix, and a space division multiplexing manner.
  • the foregoing information used to indicate a transmission mode scan period of the first communication node includes: a time interval or a period in which the first communication node initiates a downlink transmission mode scan.
  • the foregoing information for indicating a transmission mode scan resource of the first communication node includes: the first communication node starts a downlink transmission mode scanning time domain resource and/or a frequency domain resource and/or a code domain resource.
  • the foregoing information for instructing the first communication node to start the uplink transmission mode scanning includes: the first uplink node sends the time domain resource and/or the frequency domain resource and/or the code domain resource in the uplink uplink mode configured by the third communication node. .
  • the information for indicating a transmission mode scan period of the third communication node includes at least one of an uplink transmission mode scan period of the third communication node and a time interval between the uplink transmission modes of the third communication node.
  • the foregoing information for indicating a transmission mode scan resource of the third communication node includes: the third communication node starts a time domain resource and/or a frequency domain resource and/or a code domain resource where the uplink transmission mode scan is performed.
  • the foregoing method further includes the following steps:
  • Step S11 The first communication node receives the status information fed back by the second communication node, and controls the transmission power of the third communication node according to the status information.
  • the status message includes at least one of the following: the received power or interference level of the third communication node in different transmission modes measured by the second communication node in different receiving modes, and the second communication node is the same The received power or interference level of the third communication node in different transmission modes measured in the receiving mode.
  • the receiving manner includes at least one of the following: a receiving beam, a receiving antenna, a receiving sector, a reference signal, and a beam resource of the receiving end of the quasi-co-location indication of the antenna port, a reference reference signal, and a quasi-co-location indication of the antenna port. Beam resources at the receiving end.
  • the first communication node sends a message to the second communication node, the message including at least one of: information for indicating a transmission mode scan period of the first communication node or scanning resource information.
  • the information of the scan mode of the first communication node is a time interval or a period during which the first communication node starts the downlink transmission mode scanning, and the scan resource information is the time domain resource that the first communication node initiates the downlink transmission mode scan and/or Or frequency domain resources and/or code domain resources.
  • the second communication node measures the CSI-RS from the transmit beam on different wide beams or narrow beams.
  • the received power is fed back to the first communication node, and the first communication node adjusts the transmit power of the first communication node according to the fed back state information.
  • the first communication node sends a message to the second communication node, the message including at least one of the following: information for instructing the first communication node to initiate an uplink transmission mode scan.
  • the information for instructing the first communications node to initiate the uplink sending mode scanning includes at least one of the following:
  • the first communication node scans the time domain resource and/or the frequency domain resource and/or the code domain resource in the startup uplink transmission mode configured by the third communication node.
  • the third communication node performs scanning of the transmitting beam by using the uplink SRS, and after receiving the message, the second communication node measures SRSs from different transmitting beams on different wide beams or narrow beams. The received power is fed back to the first communication node, and the first communication node adjusts the transmit power of the third communication node of the cell according to the feedback status information. If the interference of the third communication node to the second communication node in a certain transmission mode is greater than or equal to a certain threshold value K, the first communication node reduces the transmission mode of the third communication node in the case of guaranteeing the target received power. The transmission power under. If the interference of the third communication node to the second communication node in a certain transmission mode is less than the threshold K, the first communication node increases the transmission power of the third communication node in the transmission mode, thereby improving the transmission mode. Transmission efficiency.
  • the first communication node sends a message to the second communication node, the message including at least one of the following: information for instructing the first communication node to initiate an uplink transmission mode scan.
  • the information for instructing the first communication node to initiate the uplink transmission mode scanning is that the first communication node scans the time domain resource and/or the frequency domain resource and/or the frequency domain resource in the uplink uplink mode configured by the third communication node. Code domain resources.
  • the third communication node performs scanning of the transmission beam by using the uplink SRS, and after receiving the message, the second communication node scans the time domain resource and/or the frequency domain resource and/or the code domain resource in the uplink transmission mode.
  • the received power of the SRSs from different transmit beams is measured, and the measured received power is fed back to the first communication node, and the first communication node adjusts the transmit power of the third communication node of the cell to which the cell belongs according to the fed back state information.
  • the first communication node sends a message to the second communication node, the message including at least one of: information indicating a transmission mode scan period of the third communication node.
  • the information indicating the transmission mode scan period of the third communication node is an uplink transmission mode scan period of the third communication node and a time interval between respective uplink transmission modes of the third communication node.
  • the third communication node performs scanning of the transmitting beam by using the uplink SRS, and after receiving the message, the second communication node measures SRSs from different transmitting beams on different wide beams or narrow beams. The received power is fed back to the first communication node, and the first communication node adjusts the transmit power of the third communication node of the cell according to the feedback status information.
  • the first communication node sends a message to the second communication node, the message including at least one of the following: information for indicating a transmission mode of the third communication node to scan the resource.
  • the information for indicating the transmission mode scan resource of the third communication node is the time domain resource and/or the frequency domain resource and/or the code domain resource where the third communication node starts the uplink transmission mode scan.
  • the third communication node performs scanning of the transmission beam by using the uplink SRS, and after receiving the message, the second communication node scans the time domain resource and/or the frequency domain resource and/or the code domain resource in the uplink transmission mode.
  • the received power of the SRSs from different transmit beams is measured, and the measured received power is fed back to the first communication node, and the first communication node adjusts the transmit power of the third communication node of the cell to which the cell belongs according to the fed back state information.
  • the first communication node receives the status information fed back by the second communication node, and controls the transmission power of the third communication node according to the status information.
  • the status information of the feedback includes: the received power or interference level of the third communication node in different transmission modes measured by the second communication node in different receiving modes, and the second communication node is in the same receiving The received power or interference level of the third communication node measured in different transmission modes.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present disclosure which is essential or contributes to the related art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, CD-ROM).
  • the instructions include a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present disclosure.
  • an information interaction device between the communication nodes is also provided, and the device is used to implement the foregoing embodiments and preferred embodiments, and details are not described herein.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • the device includes: a processor 22 and a memory 24 storing the processor executable instructions.
  • the instruction When the instruction is executed by the processor, performing the following operations: transmitting information to the second communication node, where the information includes at least one of the following: information indicating a transmission mode scan period of the first communication node, for indicating Transmitting information of a communication node, information of the scanning resource, information for instructing the first communication node to initiate uplink transmission mode scanning, information for indicating a transmission mode scanning period of the third communication node, and indicating transmission by the third communication node Way to scan information about resources.
  • the foregoing first communication node or the second communication node includes at least one of the following: a base station of a macro cell, a base station of a small cell, a transmission node, a sending node in a high frequency communication system, and a sending node in an Internet of Things system. , sending and controlling the device node of the terminal.
  • the third communication node includes at least one of the following: a user terminal UE, a mobile phone, a portable device, a car, and a receiving node in a communication system.
  • the application scenario of the information interaction device between the foregoing communication nodes includes, but is not limited to, a new radio access technology (New Radio Access Technology, NR for short), in the application scenario.
  • the first communication node sends information to the second communication node, where the information includes at least one of: information indicating a transmission mode scan period of the first communication node, and a transmission mode scanning resource for indicating the first communication node.
  • the information, the information for instructing the first communication node to initiate the uplink transmission mode scanning, the information indicating the transmission mode scanning period of the third communication node, and the information for indicating the transmission mode scanning resource of the third communication node are solved.
  • the problem that the uplink signal transmission power cannot be effectively controlled in the high frequency communication achieves the technical effect that the uplink signal transmission power can be effectively controlled.
  • the foregoing sending manner includes at least one of: a transmitting beam, a transmitting antenna, a transmitting sector, a precoding of a transmitting end, an antenna port, an antenna weight vector, an antenna weight matrix, and a space division multiplexing manner.
  • the foregoing information used to indicate a transmission mode scan period of the first communication node includes: a time interval or a period in which the first communication node initiates a downlink transmission mode scan.
  • the foregoing information for indicating a transmission mode scan resource of the first communication node includes: the first communication node starts a downlink transmission mode scanning time domain resource and/or a frequency domain resource and/or a code domain resource.
  • the foregoing information for instructing the first communication node to start the uplink transmission mode scanning includes: the first uplink node sends the time domain resource and/or the frequency domain resource and/or the code domain resource in the uplink uplink mode configured by the third communication node. .
  • the information for indicating a transmission mode scan period of the third communication node includes at least one of an uplink transmission mode scan period of the third communication node and a time interval between the uplink transmission modes of the third communication node.
  • the foregoing information for indicating a transmission mode scan resource of the third communication node includes: the third communication node starts a time domain resource and/or a frequency domain resource and/or a code domain resource where the uplink transmission mode scan is performed.
  • the first communications node receives the state information fed back by the second communications node, and controls the transmit power of the third communications node according to the state information.
  • the status message includes at least one of the following: the received power or interference level of the third communication node in different transmission modes measured by the second communication node in different receiving modes, and the second communication node is the same The received power or interference level of the third communication node in different transmission modes measured in the receiving mode.
  • the receiving manner includes at least one of the following: a receiving beam, a receiving antenna, a receiving sector, a reference signal, and a beam resource of the receiving end of the quasi-co-location indication of the antenna port, a reference reference signal, and a quasi-co-location indication of the antenna port. Beam resources at the receiving end.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are in any combination.
  • the forms are located in different processors.
  • FIG. 3 is a flowchart of a method for information interaction between another communication node according to an embodiment of the present disclosure. As shown in FIG. 3, the flow includes the following steps. step:
  • Step S302 The second communication node receives the information sent by the first communication node, where the information includes at least one of the following: information used to indicate a transmission mode scan period of the first communication node, and is used to indicate the sending of the first communication node.
  • the foregoing first communication node or the second communication node includes at least one of the following: a base station of a macro cell, a base station of a small cell, a transmission node, a sending node in a high frequency communication system, and a sending node in an Internet of Things system. , sending and controlling the device node of the terminal.
  • the third communication node includes at least one of the following: a user terminal UE, a mobile phone, a portable device, a car, and a receiving node in a communication system.
  • the application scenario of the information interaction method between the foregoing communication nodes includes, but is not limited to, a new radio access technology (New Radio Access Technology, NR for short), in the application scenario.
  • the second communication node receives the information sent by the first communication node, where the information includes at least one of the following: information used to indicate a transmission mode scan period of the first communication node, and is used to indicate a transmission mode scan of the first communication node.
  • Information of the resource information for instructing the first communication node to initiate uplink transmission mode scanning, information for indicating a transmission mode scan period of the third communication node, information for indicating a transmission mode of the third communication node, and solving the information
  • the problem that the uplink signal transmission power cannot be effectively controlled in the high frequency communication achieves the technical effect that the uplink signal transmission power can be effectively controlled.
  • the second communications node sends a status message to the first communications node, so that the first communications node controls the transmit power of the third communications node according to the state information.
  • the status message includes at least one of the following: the received power or interference level of the third communication node in different transmission modes measured by the second communication node in different receiving modes, and the second communication node is the same The received power or interference level of the third communication node in different transmission modes measured in the receiving mode.
  • the receiving manner includes at least one of the following: a receiving beam, a receiving antenna, a receiving sector, a reference signal, and a beam resource of the receiving end of the quasi-co-location indication of the antenna port, a reference reference signal, and a quasi-co-location indication of the antenna port. Beam resources at the receiving end.
  • the foregoing transmission manner includes at least one of the following: a transmit beam, a transmit antenna, a transmit sector, a precoding at the transmitting end, an antenna port, an antenna weight vector, an antenna weight matrix, a transmission mode corresponding to the space division multiplexing mode, and a frequency domain/time domain.
  • the transmission mode corresponding to the transmission diversity, the reference signal index indication mode, the spatial domain transmission filter, and the spatial quasi-co-location.
  • the information for indicating a transmission mode scan period of the first communication node includes: a time interval or a period in which the first communication node initiates a downlink transmission mode scan; and is used to indicate a transmission mode of the first communication node to scan resources.
  • the information includes: the first communication node starts a downlink transmission mode scanning time domain resource and/or a frequency domain resource and/or a code domain resource.
  • the information for instructing the first communication node to initiate the uplink transmission mode scanning includes: the first communication node sends the time domain resource and/or the frequency domain resource and/or the code domain resource in the uplink transmission mode configured by the third communication node.
  • the information for indicating a transmission mode scan period of the third communication node includes at least one of: an uplink transmission mode scan period of the third communication node, and a time interval between respective uplink transmission modes of the third communication node.
  • the information for indicating the transmission mode scan resource of the third communication node includes: the third communication node starts the time domain resource and/or the frequency domain resource and/or the code domain resource where the uplink transmission mode scan is performed.
  • the second communications node after receiving the information sent by the first communications node, the second communications node further includes: the second communications node, according to the information, measuring a downlink reference on the sending manner according to the information. Signal or uplink reference signal.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present disclosure may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium (such as ROM/RAM, disk, CD).
  • a number of instructions are included to cause a terminal device (which may be a cell phone, computer, server, or network device, etc.) to perform the methods described in various embodiments of the present disclosure.
  • an information interaction device between the communication nodes is also provided, and the device is used to implement the foregoing embodiments and preferred embodiments, and details are not described herein.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • the device includes: a processor 42 and a memory 44 storing the processor executable instructions.
  • the instruction When the instruction is executed by the processor, the operation is performed to: receive information sent by the first communication node, where the information includes at least one of: information for indicating a transmission mode scan period of the first communication node, for indicating Transmitting information of a communication node, information of the scanning resource, information for instructing the first communication node to initiate uplink transmission mode scanning, information for indicating a transmission mode scanning period of the third communication node, and indicating transmission by the third communication node Way to scan information about resources.
  • the foregoing first communication node or the second communication node includes at least one of the following: a base station of a macro cell, a base station of a small cell, a transmission node, a sending node in a high frequency communication system, and a sending node in an Internet of Things system. , sending and controlling the device node of the terminal.
  • the third communication node includes at least one of the following: a user terminal UE, a mobile phone, a portable device, a car, and a receiving node in a communication system.
  • the application scenario of the information interaction device between the foregoing communication nodes includes, but is not limited to, a new radio access technology (New Radio Access Technology, NR for short), in the application scenario.
  • the second communication node receives the information sent by the first communication node, where the information includes at least one of the following: information used to indicate a transmission mode scan period of the first communication node, and is used to indicate a transmission mode scan of the first communication node.
  • Information of the resource information for instructing the first communication node to initiate uplink transmission mode scanning, information for indicating a transmission mode scan period of the third communication node, information for indicating a transmission mode of the third communication node, and solving the information
  • the problem that the uplink signal transmission power cannot be effectively controlled in the high frequency communication achieves the technical effect that the uplink signal transmission power can be effectively controlled.
  • the second communications node sends a status message to the first communications node, so that the first communications node controls the transmit power of the third communications node according to the state information.
  • the status message includes at least one of the following: the received power or interference level of the third communication node in different transmission modes measured by the second communication node in different receiving modes, and the second communication node is the same The received power or interference level of the third communication node in different transmission modes measured in the receiving mode.
  • the receiving manner includes at least one of the following: a receiving beam, a receiving antenna, a receiving sector, a reference signal, and a beam resource of the receiving end of the quasi-co-location indication of the antenna port, a reference reference signal, and a quasi-co-location indication of the antenna port. Beam resources at the receiving end.
  • the foregoing transmission manner includes at least one of the following: a transmit beam, a transmit antenna, a transmit sector, a precoding at the transmitting end, an antenna port, an antenna weight vector, an antenna weight matrix, a transmission mode corresponding to the space division multiplexing mode, and a frequency domain/time domain.
  • the transmission mode corresponding to the transmission diversity, the reference signal index indication mode, the spatial domain transmission filter, and the spatial quasi-co-location.
  • the information for indicating a transmission mode scan period of the first communication node includes: a time interval or a period in which the first communication node initiates a downlink transmission mode scan; and is used to indicate a transmission mode of the first communication node to scan resources.
  • the information includes: the first communication node starts a downlink transmission mode scanning time domain resource and/or a frequency domain resource and/or a code domain resource.
  • the information for instructing the first communication node to initiate the uplink transmission mode scanning includes: the first communication node sends the time domain resource and/or the frequency domain resource and/or the code domain resource in the uplink transmission mode configured by the third communication node.
  • the information for indicating a transmission mode scan period of the third communication node includes at least one of: an uplink transmission mode scan period of the third communication node, and a time interval between respective uplink transmission modes of the third communication node.
  • the information for indicating the transmission mode scan resource of the third communication node includes: the third communication node starts the time domain resource and/or the frequency domain resource and/or the code domain resource where the uplink transmission mode scan is performed.
  • the second communications node after receiving the information sent by the first communications node, the second communications node further includes: the second communications node, according to the information, measuring a downlink reference on the sending manner according to the information. Signal or uplink reference signal.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are in any combination.
  • the forms are located in different processors.
  • Embodiments of the present disclosure also provide a storage medium.
  • the foregoing storage medium may be configured to store program code for performing the following steps:
  • the first communications node sends information to the second communications node, where the information includes at least one of: information indicating a sending mode scan period of the first communications node, and indicating a sending mode scan of the first communications node.
  • the information of the resource the information for instructing the first communication node to initiate the uplink transmission mode scan, the information indicating the transmission mode scan period of the third communication node, and the information indicating the transmission mode scan resource of the third communication node.
  • the storage medium is further arranged to store program code for performing the following steps:
  • the second communication node receives the information sent by the first communications node, where the information includes at least one of the following: information indicating a sending mode scan period of the first communications node, and indicating a sending manner of the first communications node.
  • the information of the scan resource the information for instructing the first communication node to initiate the uplink transmission mode scan, the information indicating the transmission mode scan period of the third communication node, and the information for indicating the transmission mode scan resource of the third communication node.
  • the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a magnetic memory.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • a mobile hard disk e.g., a hard disk
  • magnetic memory e.g., a hard disk
  • the processor performs the above step S1 according to the stored program code in the storage medium.
  • the processor performs the above step S2 according to the stored program code in the storage medium.
  • modules or steps of the present disclosure described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module. As such, the disclosure is not limited to any specific combination of hardware and software.
  • the information exchange method and device between the communication nodes of the present disclosure includes the first communication node transmitting information to the second communication node, wherein the information includes at least one of the following: information indicating a transmission mode scan period of the first communication node, Information for indicating a transmission mode scan resource of the first communication node, information for instructing the first communication node to initiate uplink transmission mode scanning, information for indicating a transmission mode scan period of the third communication node, for indicating the third The transmission mode of the communication node scans the information of the resource.

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

Abstract

L'invention concerne un procédé et un dispositif d'interaction d'informations entre des nœuds de communication. Le procédé comprend l'étape suivante : un premier nœud de communication envoie des informations à un deuxième nœud de communication, les informations comprenant au moins un des éléments suivants: des informations pour indiquer la période de balayage de mode de transmission du premier nœud de communication, des informations pour indiquer une ressource de balayage de mode de transmission du premier nœud de communication, des informations pour indiquer au premier nœud de communication de démarrer un balayage de mode de transmission de liaison montante, des informations pour indiquer la période de balayage de mode de transmission d'un troisième nœud de communication, et des informations pour indiquer une ressource de balayage de mode de transmission du troisième nœud de communication. Selon ladite solution technique, le problème, dans la technologie associée, de ne pas pouvoir commander efficacement la puissance de transmission de signal de liaison montante dans une communication à haute fréquence est résolu, et ainsi l'effet technique de pouvoir commander efficacement la puissance de transmission de signal de liaison montante est obtenu.
PCT/CN2018/074992 2017-02-04 2018-02-01 Procédé et dispositif d'interaction d'informations entre des nœuds de communication WO2018141258A1 (fr)

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