WO2019028735A1 - Détermination de ressource de canal de commande de liaison montante - Google Patents

Détermination de ressource de canal de commande de liaison montante Download PDF

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Publication number
WO2019028735A1
WO2019028735A1 PCT/CN2017/096808 CN2017096808W WO2019028735A1 WO 2019028735 A1 WO2019028735 A1 WO 2019028735A1 CN 2017096808 W CN2017096808 W CN 2017096808W WO 2019028735 A1 WO2019028735 A1 WO 2019028735A1
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WO
WIPO (PCT)
Prior art keywords
control channel
downlink transmit
uplink control
channel resource
receive
Prior art date
Application number
PCT/CN2017/096808
Other languages
English (en)
Inventor
Hongchao Li
Hongmei Liu
Haipeng Lei
Chenxi Zhu
Hyejung Jung
Original Assignee
Lenovo (Beijing) Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lenovo (Beijing) Limited filed Critical Lenovo (Beijing) Limited
Priority to PCT/CN2017/096808 priority Critical patent/WO2019028735A1/fr
Publication of WO2019028735A1 publication Critical patent/WO2019028735A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection

Definitions

  • the subject matter disclosed herein relates generally to wireless communications and more particularly relates to uplink control channel resource determination.
  • HARQ-ACK may represent collectively the Positive Acknowledge ( “ACK” ) and the Negative Acknowledge ( “NACK” ) .
  • ACK means that a TB is correctly received while NACK (or NAK) means a TB is erroneously received.
  • a resource for an uplink control channel may be defined by a network.
  • signaling the resource may use up transmission resources.
  • the apparatus includes a processor that: determines beam information based on a downlink transmit beam; and determines an uplink control channel resource based on an association between the uplink control channel resource and the beam information.
  • the apparatus includes a transmitter that transmits beam measurement information on the uplink control channel resource.
  • the beam information includes information corresponding to the downlink transmit beam.
  • the information corresponding to the downlink transmit beam includes a reference signal resource, a reference signal port, a time index, a beam index, synchronization signal port, synchronization signal block, synchronization signal block index, or some combination thereof.
  • the beam information includes information corresponding to a downlink transmit beam set including the downlink transmit beam.
  • the beam information includes information corresponding to an antenna group used to transmit the downlink transmit beam. In some embodiments, the beam information includes a receive beam associated with the downlink transmit beam. In one embodiment, the beam information includes a receive beam set associated with the downlink transmit beam. In a further embodiment, the beam information includes an antenna group associated with a receive beam. In certain embodiments, the apparatus includes a receiver that receives information indicating a set of available uplink control channel resources and parameters associated with the set of available uplink control channel resources.
  • the parameters include an associated downlink transmit beam, an associated downlink transmit beam set, an associated downlink transmit antenna group, an associated receive beam, an associated receive beam set, an associated receive antenna group, an associated reference signal resource, an associated reference signal port, an associated time index, an associated beam index, or some combination thereof.
  • the information indicating the set of available uplink control channel resources and the parameters associated with the set of available uplink control channel resources is transmitted by radio resource control signaling, downlink control information, or a combination thereof.
  • the beam measurement information transmitted on the uplink control channel resource includes an indication that indicates a selection of the downlink transmit beam.
  • the beam measurement information transmitted on the uplink control channel resource includes a reference signal received power absolute value. In various embodiments, the beam measurement information transmitted on the uplink control channel resource includes a reference signal received power offset value. In some embodiments, the beam measurement information transmitted on the uplink control channel resource includes an indication that indicates selection of a beam pair, and the uplink control channel resource is associated with the downlink transmit beam and a receive beam. In one embodiment, the beam measurement information transmitted on the uplink control channel resource includes an indication that indicates selection of a beam pair, and the uplink control channel resource is associated with the downlink transmit beam and a receive antenna group.
  • the beam measurement information transmitted on the uplink control channel resource includes an indicator that indicates selection of the downlink transmit beam and an identifier corresponding to a receive beam or a receive antenna group, and the uplink control channel resource is associated with the downlink transmit beam.
  • the beam measurement information transmitted on the uplink control channel resource includes an indicator that indicates selection of a receive beam or a receive antenna group and an identifier corresponding to the downlink transmit beam, and the uplink control channel resource is associated with the receive beam or the receive antenna group.
  • the beam measurement information transmitted on the uplink control channel resource includes a reference signal received power per beam pair, and the uplink control channel resource is associated with the downlink transmit beam and a receive beam.
  • the beam measurement information transmitted on the uplink control channel resource includes a reference signal received power per beam pair, and the uplink control channel resource is associated with the downlink transmit beam and a receive antenna group.
  • the beam measurement information transmitted on the uplink control channel resource includes a reference signal received power and an identifier corresponding to a receive beam or a receive antenna group, and the uplink control channel resource is associated with the downlink transmit beam.
  • the beam measurement information transmitted on the uplink control channel resource includes a reference signal received power and an identifier corresponding to the downlink transmit beam, and the uplink control channel resource is associated with a receive beam or a receive antenna group.
  • the uplink control channel resource includes one or more symbols in a time domain, a bandwidth range in a frequency domain, a sequence in a code domain, an orthogonal cover code sequence, or some combination thereof.
  • the beam measurement information includes a beam failure recovery request.
  • the apparatus includes a receiver and: the receiver receives information on an association between a first uplink control channel resource and one of a subset of downlink transmit beams or a subset of downlink transmit antenna ports; the processor selects a first downlink transmit beam or a first downlink transmit antenna port from the subset of downlink transmit beams or the subset of downlink transmit antenna ports, respectively; and the transmitter transmits information corresponding to the selected first downlink transmit beam or the selected first downlink transmit antenna port on the first uplink control channel resource.
  • the first downlink transmit beam or the first downlink transmit antenna port is selected based on measurements on the subset of downlink transmit beams or the subset of downlink transmit antenna ports.
  • the information corresponding to the selected first downlink transmit beam or the selected first downlink transmit antenna port comprises at least a first identifier, and the first identifier is an index of the selected first downlink transmit beam or the selected first downlink transmit antenna port among the subset of downlink transmit beams or the subset of downlink transmit antenna ports.
  • the first identifier has a smaller bit-width than a second identifier
  • the second identifier is an index of the selected first downlink transmit beam or the selected first downlink transmit antenna port among the set of downlink transmit beams or the set of downlink transmit antenna ports.
  • the information corresponding to the selected first downlink transmit beam or the selected first downlink transmit antenna port is channel coded and transmitted with a demodulation reference signal.
  • the first identifier has a smaller bit-width than a second identifier and is part of a second identifier
  • the second identifier is an index of the selected first downlink transmit beam or the selected first downlink transmit antenna port among the set of downlink transmit beams or the set of downlink transmit antenna ports
  • the remaining part of the second identifier besides the first identifier is associated with the uplink control channel resource that is used to carry the beam measurement information.
  • a method for uplink control channel resource determination includes determining beam information based on a downlink transmit beam. In some embodiments, the method includes determining an uplink control channel resource based on an association between the uplink control channel resource and the beam information. In various embodiments, the method includes transmitting beam measurement information on the uplink control channel resource.
  • an apparatus for uplink control channel resource determination includes a receiver that receives beam measurement information on an uplink control channel resource.
  • the uplink control channel resource may be determined based on an association between the uplink control channel resource and beam information corresponding to a downlink transmit beam.
  • the beam information includes information corresponding to the downlink transmit beam.
  • the information corresponding to the downlink transmit beam includes a reference signal resource, a reference signal port, a time index, a beam index, synchronization signal port, synchronization signal block, synchronization signal block index, or some combination thereof.
  • the beam information includes information corresponding to a downlink transmit beam set including the downlink transmit beam.
  • the beam information includes information corresponding to an antenna group used to transmit the downlink transmit beam. In some embodiments, the beam information includes a receive beam associated with the downlink transmit beam. In one embodiment, the beam information includes a receive beam set associated with the downlink transmit beam. In a further embodiment, the beam information includes an antenna group associated with a receive beam. In certain embodiments, the apparatus includes a transmitter that transmits information indicating a set of available uplink control channel resources and parameters associated with the set of available uplink control channel resources.
  • the parameters include an associated downlink transmit beam, an associated downlink transmit beam set, an associated downlink transmit antenna group, an associated receive beam, an associated receive beam set, an associated receive antenna group, an associated reference signal resource, an associated reference signal port, an associated time index, an associated beam index, or some combination thereof.
  • the information indicating the set of available uplink control channel resources and the parameters associated with the set of available uplink control channel resources is transmitted by radio resource control signaling, downlink control information, or a combination thereof.
  • the beam measurement information received on the uplink control channel resource includes an indication that indicates a selection of the downlink transmit beam.
  • the beam measurement information received on the uplink control channel resource includes a reference signal received power absolute value. In various embodiments, the beam measurement information received on the uplink control channel resource includes a reference signal received power offset value. In some embodiments, the beam measurement information received on the uplink control channel resource includes an indication that indicates selection of a beam pair, and the uplink control channel resource is associated with the downlink transmit beam and a receive beam. In one embodiment, the beam measurement information received on the uplink control channel resource includes an indication that indicates selection of a beam pair, and the uplink control channel resource is associated with the downlink transmit beam and a receive antenna group.
  • the beam measurement information received on the uplink control channel resource includes an indicator that indicates selection of the downlink transmit beam and an identifier corresponding to a receive beam or a receive antenna group, and the uplink control channel resource is associated with the downlink transmit beam.
  • the beam measurement information received on the uplink control channel resource includes an indicator that indicates selection of a receive beam or a receive antenna group and an identifier corresponding to the downlink transmit beam, and the uplink control channel resource is associated with the receive beam or the receive antenna group.
  • the beam measurement information received on the uplink control channel resource includes a reference signal received power per beam pair, and the uplink control channel resource is associated with the downlink transmit beam and a receive beam.
  • the beam measurement information received on the uplink control channel resource includes a reference signal received power per beam pair, and the uplink control channel resource is associated with the downlink transmit beam and a receive antenna group.
  • the beam measurement information received on the uplink control channel resource includes a reference signal received power and an identifier corresponding to a receive beam or a receive antenna group, and the uplink control channel resource is associated with the downlink transmit beam.
  • the beam measurement information received on the uplink control channel resource includes a reference signal received power and an identifier corresponding to the downlink transmit beam, and the uplink control channel resource is associated with a receive beam or a receive antenna group.
  • the uplink control channel resource includes one or more OFDM and/or SC-FDMA symbols in a time domain, a bandwidth range in a frequency domain, a sequence in a code domain, an orthogonal cover code sequence, or some combination thereof.
  • the beam measurement information includes a beam failure recovery request.
  • a method for uplink control channel resource determination includes receiving beam measurement information on an uplink control channel resource.
  • the uplink control channel resource may be determined based on an association between the uplink control channel resource and beam information corresponding to a downlink transmit beam.
  • Figure 1 is a schematic block diagram illustrating one embodiment of a wireless communication system for uplink control channel resource determination
  • Figure 2 is a schematic block diagram illustrating one embodiment of an apparatus that may be used for uplink control channel resource determination
  • Figure 3 is a schematic block diagram illustrating one embodiment of an apparatus that may be used for uplink control channel resource determination
  • Figure 4 is a schematic block diagram illustrating one embodiment of communications to facilitate uplink control channel resource determination
  • Figure 5 is a schematic block diagram illustrating another embodiment of communications to facilitate uplink control channel resource determination
  • Figure 6 is a schematic flow chart diagram illustrating one embodiment of a method for uplink control channel resource determination.
  • Figure 7 is a schematic flow chart diagram illustrating another embodiment of a method for uplink control channel resource determination.
  • embodiments may be embodied as a system, apparatus, method, or program product. Accordingly, embodiments may take the form of an entirely hardware embodiment, an entirely software embodiment (including firmware, resident software, micro-code, etc. ) or an embodiment combining software and hardware aspects that may all generally be referred to herein as a “circuit, ” “module” or “system. ” Furthermore, embodiments may take the form of a program product embodied in one or more computer readable storage devices storing machine readable code, computer readable code, and/or program code, referred hereafter as code. The storage devices may be tangible, non-transitory, and/or non-transmission. The storage devices may not embody signals. In a certain embodiment, the storage devices only employ signals for accessing code.
  • modules may be implemented as a hardware circuit comprising custom very-large-scale integration ( “VLSI” ) circuits or gate arrays, off-the-shelf semiconductors such as logic chips, transistors, or other discrete components.
  • VLSI very-large-scale integration
  • a module may also be implemented in programmable hardware devices such as field programmable gate arrays, programmable array logic, programmable logic devices or the like.
  • Modules may also be implemented in code and/or software for execution by various types of processors.
  • An identified module of code may, for instance, include one or more physical or logical blocks of executable code which may, for instance, be organized as an object, procedure, or function. Nevertheless, the executables of an identified module need not be physically located together, but may include disparate instructions stored in different locations which, when joined logically together, include the module and achieve the stated purpose for the module.
  • a module of code may be a single instruction, or many instructions, and may even be distributed over several different code segments, among different programs, and across several memory devices.
  • operational data may be identified and illustrated herein within modules, and may be embodied in any suitable form and organized within any suitable type of data structure. The operational data may be collected as a single data set, or may be distributed over different locations including over different computer readable storage devices.
  • the software portions are stored on one or more computer readable storage devices.
  • the computer readable medium may be a computer readable storage medium.
  • the computer readable storage medium may be a storage device storing the code.
  • the storage device may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, holographic, micromechanical, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing.
  • a storage device More specific examples (a non-exhaustive list) of the storage device would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a random access memory ( “RAM” ) , a read-only memory ( “ROM” ) , an erasable programmable read-only memory ( “EPROM” or Flash memory) , a portable compact disc read-only memory (CD-ROM” ) , an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
  • a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
  • Code for carrying out operations for embodiments may be any number of lines and may be written in any combination of one or more programming languages including an object oriented programming language such as Python, Ruby, Java, Smalltalk, C++, or the like, and conventional procedural programming languages, such as the ′′C′′ programming language, or the like, and/or machine languages such as assembly languages.
  • the code may execute entirely on the user′s computer, partly on the user′s computer, as a stand-alone software package, partly on the user′s computer and partly on a remote computer or entirely on the remote computer or server.
  • the remote computer may be connected to the user′s computer through any type of network, including a local area network ( “LAN” ) or a wide area network ( “WAN” ) , or the connection may be made to an external computer (for example, through the Internet using an Internet Service Provider) .
  • LAN local area network
  • WAN wide area network
  • the code may also be stored in a storage device that can direct a computer, other programmable data processing apparatus, or other devices to function in a particular manner, such that the instructions stored in the storage device produce an article of manufacture including instructions which implement the function/act specified in the schematic flowchart diagrams and/or schematic block diagrams block or blocks.
  • the code may also be loaded onto a computer, other programmable data processing apparatus, or other devices to cause a series of operational steps to be performed on the computer, other programmable apparatus or other devices to produce a computer implemented process such that the code which execute on the computer or other programmable apparatus provide processes for implementing the functions/acts specified in the flowchart and/or block diagram block or blocks.
  • each block in the schematic flowchart diagrams and/or schematic block diagrams may represent a module, segment, or portion of code, which includes one or more executable instructions of the code for implementing the specified logical function (s) .
  • Figure 1 depicts an embodiment of a wireless communication system 100 for uplink control channel resource determination.
  • the wireless communication system 100 includes remote units 102 and base units 104. Even though a specific number of remote units 102 and base units 104 are depicted in Figure 1, one of skill in the art will recognize that any number of remote units 102 and base units 104 may be included in the wireless communication system 100.
  • the remote units 102 may include computing devices, such as desktop computers, laptop computers, personal digital assistants ( “PDAs” ) , tablet computers, smart phones, smart televisions (e.g., televisions connected to the Internet) , set-top boxes, game consoles, security systems (including security cameras) , vehicle on-board computers, network devices (e.g., routers, switches, modems) , aerial vehicles, drones, or the like.
  • the remote units 102 include wearable devices, such as smart watches, fitness bands, optical head-mounted displays, or the like.
  • the remote units 102 may be referred to as subscriber units, mobiles, mobile stations, users, terminals, mobile terminals, fixed terminals, subscriber stations, UE, user terminals, a device, or by other terminology used in the art.
  • the remote units 102 may communicate directly with one or more of the base units 104 via UL communication signals.
  • the base units 104 may be distributed over a geographic region.
  • a base unit 104 may also be referred to as an access point, an access terminal, a base, a base station, a Node-B, an eNB, a gNB, a Home Node-B, a relay node, a device, a core network, an aerial server, or by any other terminology used in the art.
  • the base units 104 are generally part of a radio access network that includes one or more controllers communicably coupled to one or more corresponding base units 104.
  • the radio access network is generally communicably coupled to one or more core networks, which may be coupled to other networks, like the Internet and public switched telephone networks, among other networks. These and other elements of radio access and core networks are not illustrated but are well known generally by those having ordinary skill in the art.
  • the wireless communication system 100 is compliant with the 3GPP protocol, wherein the base unit 104 transmits using an OFDM modulation scheme on the DL and the remote units 102 transmit on the UL using a SC-FDMA scheme or an OFDM scheme. More generally, however, the wireless communication system 100 may implement some other open or proprietary communication protocol, for example, WiMAX, among other protocols. The present disclosure is not intended to be limited to the implementation of any particular wireless communication system architecture or protocol.
  • the base units 104 may serve a number of remote units 102 within a serving area, for example, a cell or a cell sector via a wireless communication link.
  • the base units 104 transmit DL communication signals to serve the remote units 102 in the time, frequency, and/or spatial domain.
  • a remote unit 102 may determine beam information based on a downlink transmit beam. In some embodiments, the remote unit 102 may determine an uplink control channel resource based on an association between the uplink control channel resource and the beam information. In various embodiments, the remote unit 102 may transmit beam measurement information on the uplink control channel resource. Accordingly, a remote unit 102 may be used for uplink control channel resource determination.
  • a base unit 104 may receive beam measurement information on an uplink control channel resource.
  • the uplink control channel resource may be determined based on an association between the uplink control channel resource and beam information corresponding to a downlink transmit beam. Accordingly, a base unit 104 may be used for uplink control channel resource determination.
  • Figure 2 depicts one embodiment of an apparatus 200 that may be used for uplink control channel resource determination.
  • the apparatus 200 includes one embodiment of the remote unit 102.
  • the remote unit 102 may include a processor 202, a memory 204, an input device 206, a display 208, a transmitter 210, and a receiver 212.
  • the input device 206 and the display 208 are combined into a single device, such as a touchscreen.
  • the remote unit 102 may not include any input device 206 and/or display 208.
  • the remote unit 102 may include one or more of the processor 202, the memory 204, the transmitter 210, and the receiver 212, and may not include the input device 206 and/or the display 208.
  • the processor 202 may include any known controller capable of executing computer-readable instructions and/or capable of performing logical operations.
  • the processor 202 may be a microcontroller, a microprocessor, a central processing unit ( “CPU” ) , a graphics processing unit ( “GPU” ) , an auxiliary processing unit, a field programmable gate array ( “FPGA” ) , or similar programmable controller.
  • the processor 202 executes instructions stored in the memory 204 to perform the methods and routines described herein.
  • the processor 202 may determine beam information based on a downlink transmit beam.
  • the processor 202 may determine an uplink control channel resource based on an association between the uplink control channel resource and the beam information.
  • the processor 202 is communicatively coupled to the memory 204, the input device 206, the display 208, the transmitter 210, and the receiver 212.
  • the memory 204 in one embodiment, is a computer readable storage medium.
  • the memory 204 includes volatile computer storage media.
  • the memory 204 may include a RAM, including dynamic RAM ( “DRAM” ) , synchronous dynamic RAM ( “SDRAM” ) , and/or static RAM ( “SRAM” ) .
  • the memory 204 includes non-volatile computer storage media.
  • the memory 204 may include a hard disk drive, a flash memory, or any other suitable non-volatile computer storage device.
  • the memory 204 includes both volatile and non-volatile computer storage media.
  • the memory 204 also stores program code and related data, such as an operating system or other controller algorithms operating on the remote unit 102.
  • the input device 206 may include any known computer input device including a touch panel, a button, a keyboard, a stylus, a microphone, or the like.
  • the input device 206 may be integrated with the display 208, for example, as a touchscreen or similar touch-sensitive display.
  • the input device 206 includes a touchscreen such that text may be input using a virtual keyboard displayed on the touchscreen and/or by handwriting on the touchscreen.
  • the input device 206 includes two or more different devices, such as a keyboard and a touch panel.
  • the display 208 may include any known electronically controllable display or display device.
  • the display 208 may be designed to output visual, audible, and/or haptic signals.
  • the display 208 includes an electronic display capable of outputting visual data to a user.
  • the display 208 may include, but is not limited to, an LCD display, an LED display, an OLED display, a projector, or similar display device capable of outputting images, text, or the like to a user.
  • the display 208 may include a wearable display such as a smart watch, smart glasses, a heads-up display, or the like.
  • the display 208 may be a component of a smart phone, a personal digital assistant, a television, a table computer, a notebook (laptop) computer, a personal computer, a vehicle dashboard, or the like.
  • the display 208 includes one or more speakers for producing sound.
  • the display 208 may produce an audible alert or notification (e.g., a beep or chime) .
  • the display 208 includes one or more haptic devices for producing vibrations, motion, or other haptic feedback.
  • all or portions of the display 208 may be integrated with the input device 206.
  • the input device 206 and display 208 may form a touchscreen or similar touch-sensitive display.
  • the display 208 may be located near the input device 206.
  • the transmitter 210 is used to provide UL communication signals to the base unit 104 and the receiver 212 is used to receive DL communication signals from the base unit 104.
  • the transmitter 210 may be used to transmit beam measurement information on the uplink control channel resource.
  • the remote unit 102 may have any suitable number of transmitters 210 and receivers 212.
  • the transmitter 210 and the receiver 212 may be any suitable type of transmitters and receivers.
  • the transmitter 210 and the receiver 212 may be part of a transceiver.
  • Figure 3 depicts one embodiment of an apparatus 300 that may be used for uplink control channel resource determination.
  • the apparatus 300 includes one embodiment of the base unit 104 and/or an aerial server.
  • the base unit 104 may include a processor 302, a memory 304, an input device 306, a display 308, a transmitter 310, and a receiver 312.
  • the processor 302, the memory 304, the input device 306, the display 308, the transmitter 310, and the receiver 312 may be substantially similar to the processor 202, the memory 204, the input device 206, the display 208, the transmitter 210, and the receiver 212 of the remote unit 102, respectively.
  • the receiver 312 may receive beam measurement information on an uplink control channel resource.
  • the uplink control channel resource may be determined based on an association between the uplink control channel resource and beam information corresponding to a downlink transmit beam.
  • the base unit 104 may have any suitable number of transmitters 310 and receivers 312.
  • the transmitter 310 and the receiver 312 may be any suitable type of transmitters and receivers.
  • the transmitter 310 and the receiver 312 may be part of a transceiver.
  • FIG. 4 is a schematic block diagram illustrating one embodiment of communications 400 to facilitate uplink control channel resource determination.
  • the communications 400 illustrated are between a UE 402 and a gNB 404.
  • a first transmit beam 406, a second transmit beam 408, a third transmit beam 410, a fourth transmit beam 412, and a fifth transmit beam 414 are transmitted from the gNB 404 as illustrated.
  • the transmit beams 406, 408, 410, 412, and 414 may be total radiated power ( “TRP” ) transmit beams.
  • TRP total radiated power
  • a certain PUCCH resource may be linked to each transmit beam (or beam pair) .
  • the first transmit beam 406 may be linked to a first PUCCH resource
  • the second transmit beam 408 may be linked to a second PUCCH resource
  • the third transmit beam 410 may be linked to a third PUCCH resource
  • the fourth transmit beam 412 may be linked to a fourth PUCCH resource
  • the fifth transmit beam 414 may be linked to a fifth PUCCH resource.
  • a first beam pair that includes the first transmit beam 406 may be linked to a first PUCCH resource
  • a second beam pair that includes the second transmit beam 408 may be linked to a second PUCCH resource
  • a third beam pair that includes the third transmit beam 410 may be linked to a third PUCCH resource
  • a fourth beam pair that includes the fourth transmit beam 412 may be linked to a fourth PUCCH resource
  • a fifth beam pair that includes the fifth transmit beam 414 may be linked to a fifth PUCCH resource.
  • a beam pair may be a transmit beam and a corresponding receive beam, a transmit beam and a corresponding set of receive beams, a receive beam and a corresponding set of transmit beams, a transmit antenna group and a corresponding receive antenna, a transmit antenna group and a corresponding receive beam, a receive antenna group and a corresponding transmit antenna, or other similar combinations.
  • a certain PUCCH resource may be linked to a certain TRP TX beam (or beam pair) .
  • reporting the TRP TX beam (or beams) may include reporting an identifier of a UE 402 RX beam or RX beam set associated with the TRP TX beam.
  • the PUCCH resource may be determined by (e.g., calculated from) information corresponding to the TRP TX beam.
  • the information corresponding to the TRP TX beam may include a CSI-RS resource, a CSI-RS port, a time index, and/or a beam index.
  • a certain PUCCH resource may be linked to a certain TRP TX beam (or beam pair) .
  • reporting the TRP TX beam (or beams) may include reporting an identifier of a UE 402 antenna group associated with the TRP TX beam.
  • the PUCCH resource may be determined by (e.g., calculated from) information corresponding to the TRP TX beam.
  • the information corresponding to the TRP TX beam may include a CSI-RS resource, a CSI-RS port, a time index, and/or a beam index.
  • FIG. 5 is a schematic block diagram illustrating another embodiment of communications 500 to facilitate uplink control channel resource determination.
  • the communications 500 illustrated are between a UE 502 and a gNB 504.
  • a first transmit beam 506, a second transmit beam 508, a third transmit beam 510, a fourth transmit beam 512, and a fifth transmit beam 514 are transmitted from the gNB 504 as illustrated.
  • the transmit beams 506, 508, 510, 512, and 514 may be TRP transmit beams.
  • a certain PUCCH resource may be linked to each transmit beam (or beam pair) .
  • the first transmit beam 506 may be linked to a first PUCCH resource
  • the second transmit beam 508 may be linked to a second PUCCH resource
  • the third transmit beam 510 may be linked to a third PUCCH resource
  • the fourth transmit beam 512 may be linked to a fourth PUCCH resource
  • the fifth transmit beam 514 may be linked to a fifth PUCCH resource.
  • a first receive beam 516, a second receive beam 518, a third receive beam 520, a fourth receive beam 522, and a fifth receive beam 524 are received by the UE 502 as illustrated.
  • a certain PUCCH resource may be linked to each transmit beam pair.
  • a first beam pair that includes the first transmit beam 506 and the first receive beam 516 may be linked to a first PUCCH resource
  • a second beam pair that includes the second transmit beam 508 and the second receive beam 518 may be linked to a second PUCCH resource
  • a third beam pair that includes the third transmit beam 510 and the third receive beam 520 may be linked to a third PUCCH resource
  • a fourth beam pair that includes the fourth transmit beam 512 and the fourth receive beam 522 may be linked to a fourth PUCCH resource
  • a fifth beam pair that includes the fifth transmit beam 514 and the fifth receive beam 524 may be linked to a fifth PUCCH resource.
  • a certain PUCCH resource may be linked to a certain UE 502 RX beam (or beam pair) .
  • reporting the TRP TX beam (or beams) may include reporting an identifier of the UE 502 RX beam or RX beam set associated with the TRP TX beam.
  • a certain PUCCH resource may be linked to a certain UE 502 antenna group (or beam pair) .
  • reporting the TRP TX beam (or beams) may include reporting an identifier of the UE antenna group associated with the TRP TX beam.
  • a PUCCH resource may include: one or more symbols (e.g., OFDM symbols, SC-FDMA symbols) in a time domain; a bandwidth range in a frequency domain (e.g., in terms of PRBs) ; a sequence in a code domain; and/or an orthogonal cover code sequence.
  • symbols e.g., OFDM symbols, SC-FDMA symbols
  • a bandwidth range in a frequency domain e.g., in terms of PRBs
  • a sequence in a code domain e.g., in terms of PRBs
  • a set of usable PUCCH resources for a measurement report may be configured by RRC signaling and/or DCI.
  • various parameters that may be configured may include: a TRP TX beam; TRP TX beams; a TX antenna group; TX antenna groups; a CSI-RS resource; a CSI-RS port; a time index; a beam index; a UE RX beam; UE RX beams; an RX antenna group; and/or RX antenna groups.
  • the various parameters may be configurable based on a measurement report type.
  • a transmitter of the UE 502 may report only TRP TX beam related information.
  • the following may be transmitted: one or more beam selection indicators (e.g., one bit on or off indicators) used to report selected one or more transmit beams may be transmitted on associated one or more PUCCH resources; an RSRP absolute value may be transmitted on the associated PUCCH resource; and/or an RSRP offset value with a reference and/or threshold may be transmitted on the associated PUCCH resource.
  • a transmitter of the UE 502 may report beam pair related information (e.g., TRP TX beam and UE RX beam and/or antenna group related information) .
  • the following may be transmitted: one or more beam pair selection indicators (e.g., one bit on or off indicators) used to report selected one or more beam pairs may be transmitted on associated one or more PUCCH resources (the PUCCH resource index and/or location may be associated with both a TRP TX beam and a UE RX beam and/or antenna group) ; a one bit (e.g., on or off) indicator and an identifier of a UE RX beam and/or antenna group may be transmitted on the associated PUCCH resource (the PUCCH resource index and/or location may be associated with the TRP TX beam) ; a one bit (e.g., on or off) indicator and an identifier of a TRP TX beam may be transmitted on the associated PUCCH resource (the PUCCH resource index and/or location may be associated with the TRP T
  • beam candidates for measurement reporting may be configurable.
  • the UE 502 may select beam candidates based on certain criteria (e.g., the RSRP is above a configured threshold, report the best N beams -where N may be configurable) .
  • a measurement reference resource e.g., a CSI-RS resource, a CSI-RS port, a time index, a beam index
  • a bandwidth which may be associated with a reference numerology
  • a periodic beam measurement report may include: TRP TX beam related information (e.g., CSI-RS resource, CSI-RS port, time index, beam index) ; usable UE RX beams and/or antenna group related information; and PUCCH resource related parameters (e.g., how to associate the beams with PUCCH resource) .
  • TRP TX beam related information e.g., CSI-RS resource, CSI-RS port, time index, beam index
  • PUCCH resource related parameters e.g., how to associate the beams with PUCCH resource
  • Such information for the beam measurement report may be configured by a high layer signaling.
  • some or all of the above-mentioned parameters for the periodic beam measurement report may be configured by high layer signaling.
  • some parameters may be indicated by DCI (e.g., PUCCH resource related parameters, and/or TRP TX beam related information) .
  • a beam failure recovery request may also use a PUCCH resource corresponding to beam related information.
  • the BFRR may indicate a failed beam or beams and/or the worst beam, beams, beam pair, or beam pairs.
  • the BFRR may be transmitted on a PUCCH resource whose index and/or position is associated with the failed beam or beams and/or the worst beam, beams, beam pair, or beam pairs.
  • the BFRR may indicate a best beam, best beams, a best beam pair, best beam pairs, a target beam, target beams, a target beam pair, or target beam pairs.
  • the BFRR may be transmitted on a PUCCH resource whose index and/or position is associated with the best beam, the best beams, the best beam pair, the best beam pairs, the target beam, the target beams, the target beam pair, or the target beam pairs. It should be noted that all the information described herein to be included in a beam measurement report may also be included in a BFRR. Furthermore, all of the elements, parameters, and/or methodologies used to determine the PUCCH resource, index, and/or location of a beam measurement report may be applicable to the BFRR.
  • mapping multiple gNB 504 TX beams (or multiple gNB 504 TX/UE 502 RX beam pairs) to a PUCCH resource may be performed in response to UCI bits being channel coded and transmitted with a DMRS. In various embodiments, this may reduce PUCCH radio resource overhead and may accommodate a larger number of UEs for a given set of PUCCH resources.
  • adding a few bits (e.g., 1 to 2 bits) to UCI may indicate which TX beam (or TX/RX beam pair) among the multiple configured TX beams (or TX/RX beam pairs) the report is associated with.
  • a UE 502 may measure 64 gNB 504 TX beams and report the best 4 beams. Calculations corresponding to coding and/or spreading rates may be based on an LTE PUCCH format 2 type of transmission (e.g., PUCCH with a 14 symbol duration with 4 DMRS symbols) .
  • beam grouping may be used. Specifically, a subset of beams may be associated with one PUCCH resource, and the UE 502 may be enabled to select only one beam from the subset of beams.
  • Figure 6 is a schematic flow chart diagram illustrating one embodiment of a method 600 for uplink control channel resource determination.
  • the method 600 is performed by an apparatus, such as the remote unit 102.
  • the method 600 may be performed by a processor executing program code, for example, a microcontroller, a microprocessor, a CPU, a GPU, an auxiliary processing unit, a FPGA, or the like.
  • the method 600 may include determining 602 beam information based on a downlink transmit beam. In some embodiments, the method 600 includes determining 604 an uplink control channel resource based on an association between the uplink control channel resource and the beam information. In various embodiments, the method 600 includes transmitting 606 beam measurement information on the uplink control channel resource.
  • the beam information includes information corresponding to the downlink transmit beam.
  • the information corresponding to the downlink transmit beam includes a reference signal resource, a reference signal port, a time index, a beam index, synchronization signal port, synchronization signal block, synchronization signal block index, or some combination thereof.
  • the beam information includes information corresponding to a downlink transmit beam set including the downlink transmit beam.
  • the beam information includes information corresponding to an antenna group used to transmit the downlink transmit beam. In some embodiments, the beam information includes a receive beam associated with the downlink transmit beam. In one embodiment, the beam information includes a receive beam set associated with the downlink transmit beam. In a further embodiment, the beam information includes an antenna group associated with a receive beam. In certain embodiments, the method 600 includes receiving information indicating a set of available uplink control channel resources and parameters associated with the set of available uplink control channel resources.
  • the parameters include an associated downlink transmit beam, an associated downlink transmit beam set, an associated downlink transmit antenna group, an associated receive beam, an associated receive beam set, an associated receive antenna group, an associated reference signal resource, an associated reference signal port, an associated time index, an associated beam index, or some combination thereof.
  • the information indicating the set of available uplink control channel resources and the parameters associated with the set of available uplink control channel resources is transmitted by radio resource control signaling, downlink control information, or a combination thereof.
  • the beam measurement information transmitted on the uplink control channel resource includes an indication that indicates a selection of the downlink transmit beam.
  • the beam measurement information transmitted on the uplink control channel resource includes a reference signal received power absolute value. In various embodiments, the beam measurement information transmitted on the uplink control channel resource includes a reference signal received power offset value. In some embodiments, the beam measurement information transmitted on the uplink control channel resource includes an indication that indicates selection of a beam pair, and the uplink control channel resource is associated with the downlink transmit beam and a receive beam. In one embodiment, the beam measurement information transmitted on the uplink control channel resource includes an indication that indicates selection of a beam pair, and the uplink control channel resource is associated with the downlink transmit beam and a receive antenna group.
  • the beam measurement information transmitted on the uplink control channel resource includes an indicator that indicates selection of the downlink transmit beam and an identifier corresponding to a receive beam or a receive antenna group, and the uplink control channel resource is associated with the downlink transmit beam.
  • the beam measurement information transmitted on the uplink control channel resource includes an indicator that indicates selection of a receive beam or a receive antenna group and an identifier corresponding to the downlink transmit beam, and the uplink control channel resource is associated with the receive beam or the receive antenna group.
  • the beam measurement information transmitted on the uplink control channel resource includes a reference signal received power per beam pair, and the uplink control channel resource is associated with the downlink transmit beam and a receive beam.
  • the beam measurement information transmitted on the uplink control channel resource includes a reference signal received power per beam pair, and the uplink control channel resource is associated with the downlink transmit beam and a receive antenna group.
  • the beam measurement information transmitted on the uplink control channel resource includes a reference signal received power and an identifier corresponding to a receive beam or a receive antenna group, and the uplink control channel resource is associated with the downlink transmit beam.
  • the beam measurement information transmitted on the uplink control channel resource includes a reference signal received power and an identifier corresponding to the downlink transmit beam, and the uplink control channel resource is associated with a receive beam or a receive antenna group.
  • the uplink control channel resource includes one or more symbols in a time domain, a bandwidth range in a frequency domain, a sequence in a code domain, an orthogonal cover code sequence, or some combination thereof.
  • the beam measurement information includes a beam failure recovery request.
  • the method 600 includes: receiving information on an association between a first uplink control channel resource and one of a subset of downlink transmit beams or a subset of downlink transmit antenna ports; selecting a first downlink transmit beam or a first downlink transmit antenna port from the subset of downlink transmit beams or the subset of downlink transmit antenna ports, respectively; and transmitting information corresponding to the selected first downlink transmit beam or the selected first downlink transmit antenna port on the first uplink control channel resource.
  • the first downlink transmit beam or the first downlink transmit antenna port is selected based on measurements on the subset of downlink transmit beams or the subset of downlink transmit antenna ports.
  • the information corresponding to the selected first downlink transmit beam or the selected first downlink transmit antenna port comprises at least a first identifier, and the first identifier is an index of the selected first downlink transmit beam or the selected first downlink transmit antenna port among the subset of downlink transmit beams or the subset of downlink transmit antenna ports.
  • the first identifier has a smaller bit-width than a second identifier
  • the second identifier is an index of the selected first downlink transmit beam or the selected first downlink transmit antenna port among the set of downlink transmit beams or the set of downlink transmit antenna ports.
  • the information corresponding to the selected first downlink transmit beam or the selected first downlink transmit antenna port is channel coded and transmitted with a demodulation reference signal.
  • Figure 7 is a schematic flow chart diagram illustrating another embodiment of a method 700 for uplink control channel resource determination.
  • the method 700 is performed by an apparatus, such as the base unit 104.
  • the method 700 may be performed by a processor executing program code, for example, a microcontroller, a microprocessor, a CPU, a GPU, an auxiliary processing unit, a FPGA, or the like.
  • the method 700 may include receiving 702 beam measurement information on an uplink control channel resource.
  • the uplink control channel resource may be determined based on an association between the uplink control channel resource and beam information corresponding to a downlink transmit beam.
  • the beam information includes information corresponding to the downlink transmit beam.
  • the information corresponding to the downlink transmit beam includes a reference signal resource, a reference signal port, a time index, a beam index, synchronization signal port, synchronization signal block, synchronization signal block index, or some combination thereof.
  • the beam information includes information corresponding to a downlink transmit beam set including the downlink transmit beam.
  • the beam information includes information corresponding to an antenna group used to transmit the downlink transmit beam. In some embodiments, the beam information includes a receive beam associated with the downlink transmit beam. In one embodiment, the beam information includes a receive beam set associated with the downlink transmit beam. In a further embodiment, the beam information includes an antenna group associated with a receive beam. In certain embodiments, the method 700 includes transmitting information indicating a set of available uplink control channel resources and parameters associated with the set of available uplink control channel resources.
  • the parameters include an associated downlink transmit beam, an associated downlink transmit beam set, an associated downlink transmit antenna group, an associated receive beam, an associated receive beam set, an associated receive antenna group, an associated reference signal resource, an associated reference signal port, an associated time index, an associated beam index, or some combination thereof.
  • the information indicating the set of available uplink control channel resources and the parameters associated with the set of available uplink control channel resources is transmitted by radio resource control signaling, downlink control information, or a combination thereof.
  • the beam measurement information received on the uplink control channel resource includes an indication that indicates a selection of the downlink transmit beam.
  • the beam measurement information received on the uplink control channel resource includes a reference signal received power absolute value. In various embodiments, the beam measurement information received on the uplink control channel resource includes a reference signal received power offset value. In some embodiments, the beam measurement information received on the uplink control channel resource includes an indication that indicates selection of a beam pair, and the uplink control channel resource is associated with the downlink transmit beam and a receive beam. In one embodiment, the beam measurement information received on the uplink control channel resource includes an indication that indicates selection of a beam pair, and the uplink control channel resource is associated with the downlink transmit beam and a receive antenna group.
  • the beam measurement information received on the uplink control channel resource includes an indicator that indicates selection of the downlink transmit beam and an identifier corresponding to a receive beam or a receive antenna group, and the uplink control channel resource is associated with the downlink transmit beam.
  • the beam measurement information received on the uplink control channel resource includes an indicator that indicates selection of a receive beam or a receive antenna group and an identifier corresponding to the downlink transmit beam, and the uplink control channel resource is associated with the receive beam or the receive antenna group.
  • the beam measurement information received on the uplink control channel resource includes a reference signal received power per beam pair, and the uplink control channel resource is associated with the downlink transmit beam and a receive beam.
  • the beam measurement information received on the uplink control channel resource includes a reference signal received power per beam pair, and the uplink control channel resource is associated with the downlink transmit beam and a receive antenna group.
  • the beam measurement information received on the uplink control channel resource includes a reference signal received power and an identifier corresponding to a receive beam or a receive antenna group, and the uplink control channel resource is associated with the downlink transmit beam.
  • the beam measurement information received on the uplink control channel resource includes a reference signal received power and an identifier corresponding to the downlink transmit beam, and the uplink control channel resource is associated with a receive beam or a receive antenna group.
  • the uplink control channel resource includes one or more symbols (e.g., OFDM and/or SC-FDMA symbols) in a time domain, a bandwidth range in a frequency domain, a sequence in a code domain, an orthogonal cover code sequence, or some combination thereof.
  • the beam measurement information includes a beam failure recovery request.

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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 des appareils, des procédés et des systèmes de détermination de ressource de canal de commande de liaison montante. Un appareil (200) comprend un processeur (202) qui détermine (602) des informations de faisceau basées sur un faisceau de transmission de liaison descendante. Le processeur (202) peut également déterminer (604) une ressource de canal de commande de liaison montante sur la base d'une association entre la ressource de canal de commande de liaison montante et les informations de faisceau. L'appareil (200) comprend un émetteur (210) qui transmet (606) des informations de mesure de faisceau sur la ressource de canal de commande de liaison montante.
PCT/CN2017/096808 2017-08-10 2017-08-10 Détermination de ressource de canal de commande de liaison montante WO2019028735A1 (fr)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104782204A (zh) * 2012-11-02 2015-07-15 德州仪器公司 上行链路harq-ack资源的高效分配
WO2016162055A1 (fr) * 2015-04-08 2016-10-13 Huawei Technologies Co., Ltd. Nœud de réseau, dispositif d'utilisateur, et procédés associés

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104782204A (zh) * 2012-11-02 2015-07-15 德州仪器公司 上行链路harq-ack资源的高效分配
WO2016162055A1 (fr) * 2015-04-08 2016-10-13 Huawei Technologies Co., Ltd. Nœud de réseau, dispositif d'utilisateur, et procédés associés

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HUAWEI ET AL.: "PUCCH resource allocation for HARQ-ACK and SR", 3GPP TSG RAN WGI MEETING #89, R1-1706960, 19 May 2017 (2017-05-19), XP051272190 *
HUAWEI ET AL.: "RRM Measurement for NR", 3GPP TSG RAN WG1 MEETING #86, R1-167200, 26 August 2016 (2016-08-26), XP051140571 *

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