WO2018082693A1 - Procédé, appareil et dispositif de rapport de csi - Google Patents

Procédé, appareil et dispositif de rapport de csi Download PDF

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Publication number
WO2018082693A1
WO2018082693A1 PCT/CN2017/109539 CN2017109539W WO2018082693A1 WO 2018082693 A1 WO2018082693 A1 WO 2018082693A1 CN 2017109539 W CN2017109539 W CN 2017109539W WO 2018082693 A1 WO2018082693 A1 WO 2018082693A1
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Prior art keywords
csi reporting
semi
static
terminal device
base station
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PCT/CN2017/109539
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English (en)
Chinese (zh)
Inventor
朱广勇
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深圳市金立通信设备有限公司
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Publication of WO2018082693A1 publication Critical patent/WO2018082693A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/535—Allocation or scheduling criteria for wireless resources based on resource usage policies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
    • H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/008—Transmission of channel access control information with additional processing of random access related information at receiving side

Definitions

  • the present invention relates to communications technologies, and in particular, to a CSI reporting method, apparatus, and device.
  • Wireless communication systems are widely deployed to provide various telecommunication services such as telephony, video, data, messaging, and broadcast.
  • a typical wireless communication system may employ multiple access techniques capable of supporting communication with multiple users by sharing available system resources (eg, bandwidth, transmit power). Examples of such multiple access techniques include Code Division Multiple Access (CDMA) systems, Time Division Multiple Access (TDMA) systems, Frequency Division Multiple Access (FDMA) systems, Orthogonal Frequency Division Multiple Access (OFDMA) systems, and single carrier frequency division. Address (SC-FDMA) system and Time Division Synchronous Code Division Multiple Access (TD-SCDMA) system.
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Time Division Synchronous Code Division Multiple Access
  • TD-SCDMA Time Division Synchronous Code Division Multiple Access
  • LTE/LTE-A Long Term Evolution
  • UMTS Universal Mobile Telecommunications System
  • 3GPP Third Generation Partnership Project
  • LTE/LTE-A is designed to better support mobile broadband Internet access by improving spectral efficiency, reducing cost, improving service, utilizing new spectrum, and using OFDMA on the downlink (DL), on the uplink (UL) uses SC-FDMA and other open standards using Multiple Input Multiple Output (MIMO) antenna technology for better integration.
  • MIMO Multiple Input Multiple Output
  • 5G fifth-generation communication technology
  • RAN Radio Access Network
  • 3GPP Third Generation Partnership Project
  • SI research project
  • eMBB enhanced mobile broadband
  • URLLC ultra-reliable low-latency communications
  • mMTC massive machine type communications
  • an evolved base station uses a physical downlink control channel (Physical Downlink Control Channel, referred to as "PDCCH") for a user.
  • PDCCH Physical Downlink Control Channel
  • a device User Equipment, referred to as “UE” performs uplink and downlink data scheduling.
  • the minimum time interval for scheduling is one subframe, and the length of one subframe is 1 millisecond.
  • the PDCCH for downlink data scheduling is called downlink allocation (DL_Assignment), and the PDCCH for uplink data scheduling is called uplink grant (UL_Grant).
  • channel state information (CSI, Channel State Information) reported by the UE is required.
  • channel state information is a channel attribute of a communication link, and a user equipment (User Equipment, UE) can report CSI to a base station through channel measurement, so that the base station can perform CSI according to the UE.
  • Downstream scheduling is a subset of a communication link.
  • UE User Equipment
  • the traditional reporting method of the channel state information (CSI) can be divided into periodic CSI reporting and aperiodic reporting, but the above reporting method is less flexible or the overall overhead is still Larger, unable to meet the technical specifications of the next generation wireless communication system.
  • a new CSI reporting method is proposed, that is, the CSI reporting method also includes semi-static CSI reporting.
  • the semi-static CSI reporting refers to the CSI reporting manner performed by the UE after the measurement by the semi-static CSI-RS (Channel State Information-Reference Signal).
  • the semi-static CSI reporting is related to the position of the semi-static CSI-RS in the time-frequency resource block.
  • the reporting mode is slightly less flexible, but the control signaling overhead is small, and the spectrum utilization rate can be improved in a scenario where the channel variation is not obvious.
  • the introduction of the semi-static CSI reporting method brings about conflicts with other methods of CSI reporting.
  • the technical problem to be solved by the embodiments of the present invention is to provide a CSI reporting method, device, and device, which solves the problem of conflict between semi-static CSI reporting and other modes of CSI reporting.
  • the first aspect provides a channel state information CSI reporting method, including:
  • the terminal device receives the first trigger indication and the second trigger indication sent by the base station, where the first trigger indication is used to indicate that the terminal device performs semi-static CSI reporting at the first moment, and the second trigger indication is used to indicate The terminal device performs non-semi-static CSI reporting at the second moment;
  • the terminal device When the first time and the second time conflict, if the terminal device supports the carrier aggregation technology, the terminal device performs the non-semi-static CSI reporting to the base station by using the first carrier, and the second The carrier performs the semi-static CSI reporting to the base station.
  • the terminal device selects The optimal mode is to perform CSI reporting on the base station, where the optimal mode is the mode with the highest priority in the semi-static CSI reporting and the non-semi-static CSI reporting.
  • the terminal device selects an optimal mode to perform CSI reporting on the base station,
  • the optimal mode is the highest priority in the semi-static CSI reporting and the non-semi-static CSI reporting.
  • the non-semi-static CSI reporting is periodic CSI reporting and/or aperiodic CSI reporting.
  • the non-semi-static CSI reporting is periodic CSI reporting and aperiodic CSI reporting
  • the sequence of the priority level is the semi-static CSI reporting > the aperiodic CSI reporting > the periodic CSI reporting; or
  • the sequence of the priority level is the aperiodic CSI reporting > the periodic CSI reporting > the semi-static CSI reporting; or
  • the sequence of the priority level is the aperiodic CSI reporting > the semi-static CSI reporting > the periodic CSI reporting.
  • the performing, by the terminal device, the semi-static CSI reporting to the base station by using the second carrier is specifically:
  • the terminal device performs the semi-static CSI reporting on the base station by using a PUCCH channel or a PUSCH channel of the second carrier.
  • the first trigger indication is carried in downlink control information DCI format 0/4, or in a random access response. Uplink authorization, or downlink allocation in a random access response;
  • the second trigger indication is carried in the downlink control information DCI format 0/4, or the uplink grant in the random access response, or the downlink assignment in the random access response.
  • the second aspect provides a channel state information CSI reporting method, including:
  • the base station sends a first trigger indication and a second trigger indication to the terminal device, where the first trigger indication is used to indicate that the terminal device performs semi-static CSI reporting to the base station at a first moment, where the second trigger indication Instructing the terminal device to perform non-semi-static CSI reporting to the base station at a second moment;
  • the base station When the first time and the second time conflict, if the base station supports the carrier aggregation technology, the base station receives the non-semi-static CSI report by the terminal device by using the first carrier, and the second The carrier receives the semi-static CSI report performed by the terminal device.
  • the base station when the first time and the second time conflict, if the base station does not support the carrier aggregation technology, the base station adopts an optimal The mode receives the CSI report by the terminal device, where the optimal mode is the mode with the highest priority in the semi-static CSI reporting and the non-semi-static CSI reporting.
  • the base station when the first time does not conflict with the second time, the base station receives the CSI report by the terminal device in an optimal manner.
  • the optimal mode is the highest priority in the semi-static CSI reporting and the non-semi-static CSI reporting.
  • the non-semi-static CSI reporting is periodic CSI reporting and/or aperiodic CSI reporting.
  • the non-semi-static CSI reporting is periodic CSI reporting and aperiodic CSI reporting
  • the order of the priority levels is the semi-static CSI reporting > the aperiodic CSI reporting > Periodic CSI reporting; or,
  • the sequence of the priority level is the aperiodic CSI reporting > the periodic CSI reporting > the semi-static CSI reporting; or
  • the sequence of the priority level is the aperiodic CSI reporting > the semi-static CSI reporting > the periodic CSI reporting.
  • the semi-static CSI reporting performed by the base station by using the second carrier to receive the terminal device is specifically :
  • the base station receives the semi-static CSI reporting by the terminal device by using a PUCCH channel or a PUSCH channel of the second carrier.
  • the first trigger indication is carried in downlink control information DCI format 0/4, or in a random access response.
  • the second trigger indication is carried in the downlink control information DCI format 0/4, or the uplink grant in the random access response, or the downlink assignment in the random access response.
  • a third aspect provides a channel status information CSI reporting apparatus, including: a receiving module and a sending module,
  • the receiving module is configured to receive a first trigger indication and a second trigger indication sent by the base station, where the first trigger indication is used to indicate that the terminal device performs semi-static CSI reporting at a first moment, where the second trigger The indication is used to indicate that the terminal device performs non-semi-static CSI reporting at the second moment;
  • the sending module is configured to: when the first time and the second time conflict, if the terminal device supports the carrier aggregation technology, perform the non-semi-static CSI reporting to the base station by using the first carrier, The second carrier performs the semi-static CSI reporting to the base station.
  • the sending module is further configured to: when the first moment collides with the second moment, if the terminal device does not support carrier aggregation technology
  • the optimal mode is used to perform CSI reporting on the base station, where the optimal mode is the highest priority in the semi-static CSI reporting and the non-semi-static CSI reporting.
  • the sending module is further used When the first time does not collide with the second time, the optimal mode is selected to perform CSI reporting on the base station, where the optimal mode is the semi-static CSI reporting and the non-semi-static CSI. The highest priority in reporting.
  • the non-semi-static CSI reporting is periodic CSI reporting and/or aperiodic CSI reporting.
  • the non-semi-static CSI reporting is periodic CSI reporting and aperiodic CSI reporting
  • the sequence of the priority level is the semi-static CSI reporting > the aperiodic CSI reporting > the periodic CSI reporting; or
  • the sequence of the priority level is the aperiodic CSI reporting > the periodic CSI reporting > the semi-static CSI reporting; or
  • the sequence of the priority level is the aperiodic CSI reporting > the semi-static CSI reporting > the periodic CSI reporting.
  • the sending module is specifically configured to perform, by using the PUCCH channel or the PUSCH channel of the second carrier, the base station The semi-static CSI is reported.
  • the first trigger indication is carried in downlink control information DCI format 0/4, or in a random access response. Uplink authorization, or downlink allocation in a random access response;
  • the second trigger indication is carried in the downlink control information DCI format 0/4, or the uplink grant in the random access response, or the downlink assignment in the random access response.
  • a fourth aspect provides a channel status information CSI reporting apparatus, including: a sending module and a receiving module,
  • the sending module is configured to send a first trigger indication and a second trigger indication to the terminal device, where the first trigger indication is used to instruct the terminal device to perform semi-static CSI reporting to the base station at a first moment, where The second triggering indication is used to indicate that the terminal device performs non-semi-static CSI reporting to the base station at a second moment;
  • the receiving module is configured to: when the first moment collides with the second moment, if the base station Supporting the carrier aggregation technology, the non-semi-static CSI reporting by the terminal device is received by the first carrier, and the semi-static CSI reporting by the terminal device is received by the second carrier.
  • the receiving module is configured to: when the first time and the second time conflict, if the base station does not support carrier aggregation technology, Receiving the CSI report by the terminal device in an optimal manner, where the optimal mode is the mode with the highest priority in the semi-static CSI reporting and the non-semi-static CSI reporting.
  • the receiving module is configured to receive the terminal device in an optimal manner when the first time does not conflict with the second time The CSI is reported, wherein the optimal mode is the highest priority in the semi-static CSI reporting and the non-semi-static CSI reporting.
  • the non-semi-static CSI reporting is periodic CSI reporting and/or aperiodic CSI reporting.
  • the non-semi-static CSI reporting is periodic CSI reporting and aperiodic CSI reporting
  • the sequence of the priority level is the semi-static CSI reporting > the aperiodic CSI reporting > the periodic CSI reporting; or
  • the sequence of the priority level is the aperiodic CSI reporting > the periodic CSI reporting > the semi-static CSI reporting; or
  • the sequence of the priority level is the aperiodic CSI reporting > the semi-static CSI reporting > the periodic CSI reporting.
  • the receiving module is specifically configured to receive the terminal device by using a PUCCH channel or a PUSCH channel of the second carrier The semi-static CSI is reported.
  • the first trigger indication is carried in downlink control information DCI format 0/4, or in a random access response. Uplink authorization, or downlink allocation in a random access response;
  • the second trigger indication is carried in the downlink control information DCI format 0/4, or the uplink grant in the random access response, or the downlink assignment in the random access response.
  • a fifth aspect provides a terminal device, including: a processor, a memory, a communication interface, and a bus; wherein the processor, the memory, and the communication interface are connected by the bus and complete communication with each other; Storing executable program code; the processor executing a program corresponding to the executable program code by reading executable program code stored in the memory for executing a CSI reporting method; The method is the method of any of the first aspects.
  • a base station including: a processor, a memory, a communication interface, and a bus; the processor, the memory, and the communication interface are connected by the bus and complete communication with each other; the memory is stored Executing program code; the processor running a program corresponding to the executable program code by executing executable program code stored in the memory for executing a CSI reporting method; wherein the method The method of any of the second aspects.
  • the present invention provides a computer readable storage medium storing program code for CSI reporting performed by a computing device.
  • the program code includes instructions for performing the method of any of the first aspects.
  • the present invention provides a computer readable storage medium storing program code for CSI reporting performed by a computing device.
  • the program code includes instructions for performing the method of any of the second aspects.
  • the semi-static CSI reporting and the non-semi-static CSI reporting conflict may occur, and when the multi-carrier aggregation technology is supported between the base station and the terminal device, the terminal device performs the non-semi-static to the base station by using the first carrier.
  • the CSI reports the semi-static CSI reporting to the base station through the second carrier.
  • FIG. 1 is an interaction diagram of a first CSI reporting method according to an embodiment of the present invention
  • FIG. 2 is an interaction diagram of a second CSI reporting method according to an embodiment of the present invention.
  • FIG. 3 is an interaction diagram of a third CSI reporting method according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a CSI reporting apparatus according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of another CSI reporting apparatus according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a base station according to an embodiment of the present invention.
  • the terminal device may be referred to as a terminal, a mobile station (Mobile Station, abbreviated as "MS"), a mobile terminal (Mobile Terminal), and a user equipment (User Equipment, referred to as "UE").
  • the terminal device can communicate with one or more core networks via a Radio Access Network (RAN), for example, the terminal device can be a mobile phone (or “cellular” phone), having The computer or the like of the mobile terminal, for example, the terminal device may also be a portable, pocket-sized, handheld, computer-integrated or in-vehicle mobile device that exchanges voice and/or data with the wireless access network.
  • RAN Radio Access Network
  • the base station may be an evolved base station (Evolutional Node B, referred to as "eNB or e-NodeB”) in the LTE/LTE-A, or may be a base station in a future 5G system, and the present invention does not limited.
  • eNB evolved base station
  • e-NodeB evolved Node B
  • periodic CSI reporting aperiodic CSI reporting
  • semi-static CSI reporting are first introduced respectively:
  • the base station first sends periodic CSI transmission configuration information to the terminal device, and correspondingly, the terminal device acquires periodic CSI transmission configuration information sent by the base station. Then, the base station sends a trigger indication to the terminal device, and the terminal device receives the trigger indication and performs periodic CSI reporting in the specified period according to the periodic CSI transmission configuration information.
  • the base station sends a trigger indication to the terminal device, where the trigger indication includes information for sending an uplink resource of the aperiodic CSI.
  • the terminal device receives the trigger indication, and performs aperiodic CSI reporting on the base station at the time corresponding to the uplink resource.
  • the base station first sends a semi-static CSI transmission configuration letter to the terminal device. Accordingly, the terminal device acquires semi-static CSI transmission configuration information sent by the base station. Then, the base station sends a trigger indication to the terminal device, and the terminal device receives the trigger indication and performs semi-static CSI reporting in the specified period according to the semi-static CSI transmission configuration information.
  • the embodiment of the present invention provides a CSI reporting method, as shown in FIG. 1 , including the following steps:
  • Step 110 The base station sends a first trigger indication and a second trigger indication to the terminal device.
  • the terminal device receives the first trigger indication and the second trigger indication sent by the base station.
  • the first trigger indication is used to indicate that the terminal device performs semi-static CSI reporting at the first moment
  • the second trigger indication is used to indicate that the terminal device performs non-semi-static CSI reporting at the second moment.
  • the first trigger indication is carried in Downlink Control Information (DCI) format 0/4, or in an uplink grant in a Random Access Response (RAR), or randomly.
  • DCI Downlink Control Information
  • RAR Random Access Response
  • the second trigger indication is carried in the downlink control information DCI format 0/4, or the uplink grant in the random access response, or the downlink assignment in the random access response.
  • the first trigger indication may be any one or a combination of bits, scrambling codes, or other time-frequency resource information.
  • the second trigger indication may be any one or a combination of bits, scrambling codes or other time-frequency resource information.
  • the bit may be a DCI format 0/4, an uplink grant of the RAR, or a bit in a corresponding field in the downlink assignment of the RAR.
  • this bit is set to "0" or "1", Used to indicate the CSI report.
  • the 1-bit information value of the information field is 0, it indicates that the CSI report is not triggered.
  • the 1-bit information value of the information field is 1, it indicates that the CSI report is triggered.
  • the scrambling code may be an SPS Cell Radio Network Temporary Identifier (SPS C-RNTI), and may be a Cell Radio Network Temporary Identifier (C-RNTI). It can also be other scrambling codes.
  • SPS C-RNTI SPS Cell Radio Network Temporary Identifier
  • C-RNTI Cell Radio Network Temporary Identifier
  • the CSI may be any one or a combination of a Rank Indicator (RI), a Precoding Matrix Indicator (PMI), and a Channel Quality Indicator (CQI). .
  • RI Rank Indicator
  • PMI Precoding Matrix Indicator
  • CQI Channel Quality Indicator
  • the semi-static CSI reporting may be performed by using a Physical Uplink Shared Channel (PUSCH) (with uplink data transmission) or by a Physical Uplink Control Channel (PUCCH). Send (when no uplink data is sent).
  • the non-semi-static CSI report may be any one of a periodic CSI report, an aperiodic CSI report, a periodic CSI report, and an aperiodic CSI report, which is not specifically limited by the present invention.
  • the periodic CSI may be sent through the PUSCH or through the PUCCH, and the aperiodic CSI is sent through the PUSCH.
  • the terminal device determines, according to the first trigger indication and the second trigger indication, whether the first moment and the second moment collide.
  • the terminal device determines whether the terminal device supports the carrier aggregation technology.
  • the carrier aggregation technique is an operation on multiple carriers.
  • Carrier aggregation can also be referred to as multi-carrier operation.
  • a carrier can refer to a range of frequencies used for communication and can be associated with certain characteristics. For example, a carrier may be associated with system information and/or control information describing operations on the carrier.
  • a carrier may also be referred to as a component carrier (CC), a frequency channel, a cell, and the like.
  • a frequency band can include one or more carriers. Illustratively, each carrier can cover up to 20 MHz.
  • the terminal device can be configured with up to 5 carriers in one or two frequency bands.
  • the terminal device may include multiple receivers to simultaneously receive multiple downlink signals at different frequencies.
  • These multiple downlink signals may be transmitted by one or more base stations on multiple carriers at different frequencies for carrier aggregation.
  • Each receiver may receive one or more downlink signals transmitted to the terminal device on one or more carriers.
  • a terminal device operating in a carrier aggregation scenario is configured to aggregate certain functions of multiple carriers, such as control and feedback functions, on the same carrier, which may be referred to as a primary carrier or a primary component carrier.
  • the remaining carriers that rely on the primary carrier support are referred to as associated secondary or secondary component carriers.
  • the primary carrier is sent by the primary cell.
  • the secondary carrier is sent by the secondary cell.
  • the primary carrier includes a PUCCH and a PUSCH, and the secondary carrier includes only a PUSCH. It should be specially noted that in the LAA authorized secondary access system, the primary carrier may be an authorized spectrum, and the secondary carrier may be an unlicensed spectrum (eg, Such as WiFi).
  • the terminal device determines that the terminal device supports the carrier aggregation technology, the terminal device performs non-semi-static CSI reporting to the base station by using the first carrier, and performs semi-static CSI reporting to the base station by using the second carrier.
  • the base station receives the non-semi-static CSI report by the terminal device by using the first carrier, and receives the semi-static CSI report by the terminal device by using the second carrier.
  • the manner in which the terminal device performs non-semi-static CSI reporting to the base station by using the first carrier, and the semi-static CSI reporting to the base station by using the second carrier may include the following:
  • the terminal device may perform periodic CSI reporting on the PUCCH or the PUSCH of the primary carrier, and perform semi-static CSI reporting on the PUSCH of the secondary carrier. Alternatively, the terminal device may perform periodicity through the PUSCH of the secondary carrier. The CSI reports the semi-static CSI reporting through the PUCCH or the PUSCH of the primary carrier.
  • the terminal device may perform the aperiodic CSI reporting on the PUSCH of the primary carrier, and perform the semi-static CSI reporting on the PUSCH of the secondary carrier. Alternatively, the terminal device may perform the half through the PUSCH of the primary carrier. The static CSI is reported, and the aperiodic CSI is reported on the PUSCH of the secondary carrier.
  • the terminal device may perform periodic CSI reporting on the PUSCH or the PUCCH of the primary carrier, perform aperiodic CSI reporting on the PUSCH of the first secondary carrier, and pass the second secondary carrier.
  • the PUSCH performs the semi-static CSI reporting on the PUSCH of the primary carrier, and performs the periodic CSI reporting on the PUSCH of the primary secondary carrier, and performs the semi-static CSI reporting on the PUSCH of the second secondary carrier; or
  • the terminal device may perform the semi-static CSI reporting on the PUSCH or the PUCCH of the primary carrier, perform the aperiodic CSI reporting on the PUSCH of the first secondary carrier, and perform the periodic CSI reporting on the PUSCH of the second secondary carrier.
  • the terminal device when the first moment collides with the second moment, if the terminal device does not support carrier aggregation technology, the terminal device selects an optimal mode. Performing CSI reporting to the base station, where the optimal mode is the highest priority in the semi-static CSI reporting and the non-semi-static CSI reporting.
  • the order of the priority level is the semi-static CSI reporting > the aperiodic CSI reporting > the periodic CSI reporting; Or, or, the superior
  • the sequence of the first level is the aperiodic CSI reporting > the periodic CSI reporting > the semi-static CSI reporting; or the order of the priority level is the aperiodic CSI reporting > the semi-static CSI reporting > The periodic CSI is reported.
  • the terminal device selects an optimal mode to perform CSI reporting to the base station, where
  • the optimal mode is the highest priority in the semi-static CSI reporting and the non-semi-static CSI reporting.
  • the order of the priority level is the semi-static CSI reporting > the aperiodic CSI reporting > the periodic CSI reporting; Or the order of the priority level is the aperiodic CSI reporting > the periodic CSI reporting > the semi-static CSI reporting; or the order of the priority level is the aperiodic CSI reporting > the semi-static CSI Reporting > The periodic CSI is reported.
  • FIG. 4 is a schematic structural diagram of a CSI reporting apparatus according to an embodiment of the present invention.
  • the CSI reporting device 40 of this embodiment includes a receiving module 410 and a sending module 420.
  • the receiving module 410 is configured to receive a first trigger indication and a second trigger indication sent by the base station, where the first trigger indication is used to indicate that the terminal device performs semi-static CSI reporting at a first moment, where the second The triggering indication is used to indicate that the terminal device performs non-semi-static CSI reporting at the second moment;
  • the sending module 420 is configured to: when the first time and the second time conflict, if the terminal device supports the carrier aggregation technology, perform the non-semi-static CSI reporting to the base station by using the first carrier, The semi-static CSI reporting is performed to the base station by using a second carrier.
  • the sending module 420 is further configured to: when the first time and the second time collide, if the terminal device does not support the carrier aggregation technology, select an optimal mode to perform CSI reporting to the base station.
  • the optimal mode is the highest priority in the semi-static CSI reporting and the non-semi-static CSI reporting.
  • the sending module 420 is further configured to: when the first moment does not conflict with the second moment The optimal mode is used to perform CSI reporting on the base station, where the optimal mode is the highest priority in the semi-static CSI reporting and the non-semi-static CSI reporting.
  • the non-semi-static CSI reporting is periodic CSI reporting and/or aperiodic CSI reporting.
  • non-semi-static CSI reporting is periodic CSI reporting and aperiodic CSI reporting
  • the sequence of the priority level is the semi-static CSI reporting > the aperiodic CSI reporting > the periodic CSI reporting; or
  • the sequence of the priority level is the aperiodic CSI reporting > the periodic CSI reporting > the semi-static CSI reporting; or
  • the sequence of the priority level is the aperiodic CSI reporting > the semi-static CSI reporting > the periodic CSI reporting.
  • the sending module 420 is specifically configured to perform the semi-static CSI reporting on the base station by using a PUCCH channel or a PUSCH channel of the second carrier.
  • the first trigger indication is carried in downlink control information DCI format 0/4, or an uplink grant in a random access response, or a downlink assignment in a random access response;
  • the second trigger indication is carried in the downlink control information DCI format 0/4, or the uplink grant in the random access response, or the downlink assignment in the random access response.
  • the CSI reporting apparatus in the embodiment of the present invention can implement the CSI reporting method as shown in FIG. 1 .
  • FIG. 1 For details, refer to FIG. 1 and related embodiments, and details are not described herein again.
  • FIG. 5 is a schematic structural diagram of another CSI reporting apparatus according to an embodiment of the present invention.
  • the CSI reporting device 50 of this embodiment includes a sending module 510 and a receiving module 520.
  • the sending module 510 is configured to send a first trigger indication and a second trigger indication to the terminal device, where the first trigger indication is used to indicate that the terminal device performs semi-static CSI reporting to the base station at a first moment.
  • the second triggering indication is used to indicate that the terminal device performs non-semi-static CSI reporting to the base station at a second moment;
  • the receiving module 520 is configured to: when the first time and the second time conflict, if the base station supports a carrier aggregation technology, receive the non-semi-static CSI report by the terminal device by using a first carrier. Receiving, by the second carrier, the semi-static CSI reporting by the terminal device.
  • the receiving module 520 is configured to: when the first moment collides with the second moment, If the base station does not support the carrier aggregation technology, the CSI reporting by the terminal device is received in an optimal manner, where the optimal mode is the priority level of the semi-static CSI reporting and the non-semi-static CSI reporting. The highest way.
  • the receiving module 520 is configured to receive, by using an optimal manner, a CSI report performed by the terminal device, where the first time and the second time are not in conflict, where the optimal mode is The method of reporting the semi-static CSI and the non-semi-static CSI reporting the highest priority.
  • the non-semi-static CSI reporting is periodic CSI reporting and/or aperiodic CSI reporting.
  • non-semi-static CSI reporting is periodic CSI reporting and aperiodic CSI reporting
  • the sequence of the priority level is the semi-static CSI reporting > the aperiodic CSI reporting > the periodic CSI reporting; or
  • the sequence of the priority level is the aperiodic CSI reporting > the periodic CSI reporting > the semi-static CSI reporting; or
  • the sequence of the priority level is the aperiodic CSI reporting > the semi-static CSI reporting > the periodic CSI reporting.
  • the receiving module 520 is specifically configured to receive, by using a PUCCH channel or a PUSCH channel of the second carrier, the semi-static CSI reporting by the terminal device.
  • the first trigger indication is carried in downlink control information DCI format 0/4, or an uplink grant in a random access response, or a downlink assignment in a random access response;
  • the second trigger indication is carried in the downlink control information DCI format 0/4, or the uplink grant in the random access response, or the downlink assignment in the random access response.
  • the CSI reporting apparatus in the embodiment of the present invention can implement the CSI reporting method as shown in FIG. 1 .
  • FIG. 1 For details, refer to FIG. 1 and related embodiments, and details are not described herein again.
  • FIG. 6 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
  • the terminal in this embodiment may be a communication tool such as a user equipment (UE, such as a smart phone, etc.), or an office tool such as a tablet computer or a notebook, or another device such as an in-vehicle device.
  • UE user equipment
  • office tool such as a tablet computer or a notebook
  • another device such as an in-vehicle device.
  • the user equipment of the embodiment of the present invention may include a transceiver 610, a memory 620 including one or more computer readable storage media, an input unit 630, a display unit 640, a sensor 650, an audio circuit 660, and a WiFi (wireless fidelity,
  • the Wireless Fidelity module 670 includes a processor 680 having one or more processing cores, and a power supply 690 and the like. It will be understood by those skilled in the art that the user equipment structure shown in FIG. 6 does not constitute a limitation to the user equipment, and may include more or less components than those illustrated, or some components may be combined, or different component arrangements. among them:
  • the transceiver 610 can be used to measure reports to the LTE base station.
  • transceiver 610 includes, but is not limited to, an antenna, at least one amplifier, a tuner, one or more oscillators, a Subscriber Identity Module (SIM) card, a coupler, an LNA (Low Noise Amplifier), and the like.
  • SIM Subscriber Identity Module
  • the transceiver 1110 can also communicate with the network and other devices via wireless communication.
  • the wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System of Mobile communication), GPRS (General Packet Radio Service), CDMA (Code Division Multiple Access). , Code Division Multiple Access), WCDMA (Wideband Code Division Multiple Access), LTE (Long Term Evolution), e-mail, SMS (Short Messaging Service), and the like.
  • the memory 620 can be used for software programs and modules, and the processor 680 executes various functional applications and data processing by running software programs and modules stored in the memory 620.
  • the memory 620 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may be stored according to Data created by the use of user equipment, such as measurement reports.
  • memory 620 can include high speed random access memory, and can also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device. Accordingly, memory 620 can also include a memory controller to provide access to memory 620 by processor 680 and input unit 630.
  • Input unit 630 can be used to receive input numeric or character information, as well as to generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function controls.
  • input unit 630 can include touch-sensitive surface 631 as well as other input devices 632.
  • a touch-sensitive surface 631 also referred to as a touch display or trackpad, can collect touch operations on or near the user (eg, the user uses a finger, stylus, etc., on any suitable object or accessory on the touch-sensitive surface 631 or The operation near the touch-sensitive surface 631) and driving the corresponding connecting device according to a preset program.
  • touch sensitive meter The face 631 can include two portions of a touch detection device and a touch controller.
  • the touch detection device detects the touch orientation of the user, and detects a signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts the touch information into contact coordinates, and sends the touch information.
  • the processor 680 is provided and can receive commands from the processor 680 and execute them.
  • the touch sensitive surface 631 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
  • the input unit 630 can also include other input devices 632.
  • other input devices 632 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, joysticks, and the like.
  • Display unit 640 can be used to display information entered by the user or information provided to the user as well as various graphical user interfaces of the user device, which can be composed of graphics, text, icons, video, and any combination thereof.
  • the display unit 640 can include a display panel 641.
  • the display panel 641 can be configured in the form of an LCD (Liquid Crystal Display), an OLED (Organic Light-Emitting Diode), or the like.
  • the touch-sensitive surface 631 can cover the display panel 641, and when the touch-sensitive surface 631 detects a touch operation thereon or nearby, it is transmitted to the processor 680 to determine the type of touch event, and then the processor 680 is based on the touch event.
  • the type provides a corresponding visual output on display panel 641.
  • touch-sensitive surface 631 and display panel 641 are implemented as two separate components to implement input and input functions, in some embodiments, touch-sensitive surface 631 can be integrated with display panel 641 for input. And output function.
  • the user device may also include at least one type of sensor 650, such as a light sensor, motion sensor, and other sensors.
  • the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display panel 641 according to the brightness of the ambient light, and the proximity sensor may close the display panel 641 when the user equipment moves to the ear. / or backlight.
  • the gravity acceleration sensor can detect the magnitude of acceleration in all directions (usually three axes). When it is stationary, it can detect the magnitude and direction of gravity.
  • gesture of the mobile phone such as horizontal and vertical screen switching, related Game, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tapping), etc.; as for the user equipment can also be configured with gyroscopes, barometers, hygrometers, thermometers, infrared sensors and other sensors, here Let me repeat.
  • An audio circuit 660, a speaker 661, and a microphone 662 can provide an audio interface between the user and the user device.
  • the audio circuit 660 can transmit the converted electrical signal of the received audio data to the speaker. 661, converted into a sound signal output by the speaker 661; on the other hand, the microphone 662 converts the collected sound signal into an electrical signal, which is received by the audio circuit 660, converted into audio data, and then processed by the audio data output processor 680.
  • the transceiver 610 is sent to, for example, another user device, or the audio data is output to the memory 620 for further processing.
  • the audio circuit 660 may also include an earbud jack to provide communication of the peripheral earphones with the user equipment.
  • WiFi is a short-range wireless transmission technology
  • the user equipment can help users to send and receive emails, browse web pages, and access streaming media through the WiFi module 670, which provides users with wireless broadband Internet access.
  • FIG. 6 shows the WiFi module 670, it can be understood that it does not belong to the essential configuration of the user equipment, and may be omitted as needed within the scope of not changing the essence of the invention.
  • the processor 680 is a control center for the user equipment, connecting various portions of the entire handset with various interfaces and lines, by running or executing software programs and/or modules stored in the memory 620, and recalling data stored in the memory 620, The user's various functions and processing data are executed to perform overall monitoring of the mobile phone.
  • the processor 680 may include one or more processing cores; preferably, the processor 680 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, an application, and the like.
  • the modem processor primarily handles wireless communications. It will be appreciated that the above described modem processor may also not be integrated into the processor 680.
  • the terminal device also includes a power source 690 (such as a battery) that supplies power to the various components.
  • a power source 690 such as a battery
  • the power source can be logically coupled to the processor 680 through a power management system to manage functions such as charging, discharging, and power management through the power management system.
  • Power supply 690 may also include any one or more of a DC or AC power source, a recharging system, a power failure detection circuit, a power converter or inverter, a power status indicator, and the like.
  • the terminal device may further include a camera, a Bluetooth module, and the like, and details are not described herein again.
  • the display unit of the terminal device is a touch screen display
  • the terminal device further includes a memory, and one or more programs, wherein one or more programs are stored in the memory and configured to be one or one
  • the above processor performs the following operations:
  • first trigger indication is used to indicate that the terminal device performs semi-static CSI reporting at a first moment
  • second trigger indication is used to indicate the The terminal device performs non-semi-static CSI reporting at the second moment
  • the non-semi-static CSI reporting is performed to the base station by using the first carrier, and the second carrier is used to The base station performs the semi-static CSI reporting.
  • the optimal mode is selected to perform CSI reporting to the base station, where the optimal mode is performed.
  • the highest priority mode is reported in the semi-static CSI reporting and the non-semi-static CSI reporting.
  • the optimal mode is selected to perform CSI reporting on the base station, where the optimal mode is the semi-static CSI reporting and the non- The highest priority mode in semi-static CSI reporting.
  • the non-semi-static CSI reporting is periodic CSI reporting and/or aperiodic CSI reporting.
  • non-semi-static CSI reporting is periodic CSI reporting and aperiodic CSI reporting
  • the sequence of the priority level is the semi-static CSI reporting > the aperiodic CSI reporting > the periodic CSI reporting; or
  • the sequence of the priority level is the aperiodic CSI reporting > the periodic CSI reporting > the semi-static CSI reporting; or
  • the sequence of the priority level is the aperiodic CSI reporting > the semi-static CSI reporting > the periodic CSI reporting.
  • the semi-static CSI reporting is performed to the base station by using a PUCCH channel or a PUSCH channel of the second carrier.
  • the first trigger indication is carried in downlink control information DCI format 0/4, or an uplink grant in a random access response, or a downlink assignment in a random access response;
  • the second trigger indication is carried in the downlink control information DCI format 0/4, or the uplink grant in the random access response, or the downlink assignment in the random access response.
  • FIG. 7 is a schematic structural diagram of a base station according to an embodiment of the present invention.
  • the base station of this embodiment includes: at least one processor 701, a transmitter 702, a receiver 703, and a memory 704.
  • the processor 701, the transmitter 702, the receiver 703, and the memory 704 can be connected by using a bus or other manner. Take the connection through the bus 705 as an example. among them,
  • the processor 701 can be a general purpose processor, such as a central processing unit (Central Processing Unit, CPU).
  • CPU Central Processing Unit
  • Transmitter 702 can modulate a transmit local oscillator (LO) signal with data to obtain a modulated radio frequency (RF) signal, amplify the modulated RF signal to obtain an output RF signal having an appropriate transmit power level, and via The antenna transmits an output RF signal to the UE.
  • LO transmit local oscillator
  • RF radio frequency
  • Receiver 703 can obtain the received RF signal via an antenna, amplify and downconvert the received RF signal with the received LO signal, and process the downconverted signal to recover the data transmitted by the UE.
  • the memory 704 may include a volatile memory (Volatile Memory), such as a random access memory (RAM); the memory may also include a non-volatile memory (Non-Volatile Memory), such as a read-only memory (Read-Only). Memory, ROM), Flash Memory, Hard Disk Drive (HDD), or Solid-State Drive (SSD); the memory 704 may also include a combination of the above types of memories.
  • the memory 704 is configured to store a set of program codes, and the processor 701 is configured to call the program code stored in the memory 704 to perform the following operations:
  • first trigger indication is used to indicate that the terminal device performs semi-static CSI reporting to the base station at a first moment
  • the second trigger indication is used Instructing the terminal device to perform non-semi-static CSI reporting to the base station at a second moment
  • the base station receives the CSI report by the terminal device in an optimal manner, where The optimal mode is the highest priority in the semi-static CSI reporting and the non-semi-static CSI reporting.
  • the base station receives the CSI report by the terminal device in an optimal manner, where the optimal mode is the semi-static CSI.
  • the optimal mode is the semi-static CSI.
  • the highest priority is reported in the reporting and non-semi-static CSI reporting.
  • the non-semi-static CSI reporting is periodic CSI reporting and/or aperiodic CSI reporting.
  • non-semi-static CSI reporting is periodic CSI reporting and aperiodic CSI reporting
  • the sequence of the priority level is the semi-static CSI reporting > the aperiodic CSI reporting > the periodic CSI reporting; or
  • the sequence of the priority level is the aperiodic CSI reporting > the periodic CSI reporting > the semi-static CSI reporting; or
  • the sequence of the priority level is the aperiodic CSI reporting > the semi-static CSI reporting > the periodic CSI reporting.
  • the base station receives the semi-static CSI reporting by the terminal device by using a PUCCH channel or a PUSCH channel of the second carrier.
  • the first trigger indication is carried in downlink control information DCI format 0/4, or an uplink grant in a random access response, or a downlink assignment in a random access response;
  • the second trigger indication is carried in the downlink control information DCI format 0/4, or the uplink grant in the random access response, or the downlink assignment in the random access response.
  • the semi-static CSI reporting and the non-semi-static CSI reporting conflict may occur, and when the multi-carrier aggregation technology is supported between the base station and the terminal device, the terminal device performs the non-semi-static to the base station by using the first carrier.
  • the CSI reports the semi-static CSI reporting to the base station through the second carrier.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

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

Abstract

L'invention concerne un procédé, un appareil et un dispositif de rapport d'informations d'état de canal (CSI). Le procédé comprend les étapes suivantes : un dispositif terminal reçoit une première instruction de déclenchement et une deuxième instruction de déclenchement envoyées par une station de base, la première instruction de déclenchement étant utilisée pour donner l'instruction au dispositif terminal d'effectuer un rapport de CSI semi-statique à un premier instant, et la deuxième instruction de déclenchement étant utilisée pour donner l'instruction au dispositif terminal d'effectuer un rapport de CSI non semi-statique à un deuxième instant; et lorsque le premier instant est en conflit avec le deuxième instant, si le dispositif terminal prend en charge la technologie d'agrégation de porteuses, le dispositif terminal effectue le rapport de CSI non semi-statique à la station de base grâce à une première porteuse, et effectue le rapport de CSI semi-statique à la station de base grâce à une deuxième porteuse. Le procédé peut résoudre le problème des conflits de rapports de CSI semi-statiques avec d'autres façons d'effectuer un rapport de CSI.
PCT/CN2017/109539 2016-11-07 2017-11-06 Procédé, appareil et dispositif de rapport de csi WO2018082693A1 (fr)

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