WO2017142574A1 - Rapport d'informations de commande de liaison montante de cinquième génération (5g) (xuci) - Google Patents

Rapport d'informations de commande de liaison montante de cinquième génération (5g) (xuci) Download PDF

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Publication number
WO2017142574A1
WO2017142574A1 PCT/US2016/033069 US2016033069W WO2017142574A1 WO 2017142574 A1 WO2017142574 A1 WO 2017142574A1 US 2016033069 W US2016033069 W US 2016033069W WO 2017142574 A1 WO2017142574 A1 WO 2017142574A1
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WO
WIPO (PCT)
Prior art keywords
csi
csi report
subband
report
cqis
Prior art date
Application number
PCT/US2016/033069
Other languages
English (en)
Inventor
Yushu Zhang
Wenting CHANG
Gang Xiong
Bishwarup Mondal
Yuan Zhu
Original Assignee
Intel IP Corporation
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 Intel IP Corporation filed Critical Intel IP Corporation
Priority to CN201680079505.9A priority Critical patent/CN108476051B/zh
Priority to TW106101395A priority patent/TWI797072B/zh
Publication of WO2017142574A1 publication Critical patent/WO2017142574A1/fr
Priority to HK19100660.8A priority patent/HK1258296A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • 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
    • H04B7/0619—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 using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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
    • H04B7/0619—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 using feedback from receiving side
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting

Definitions

  • the present disclosure relates to wireless technology, and more specifically to techniques for communicating Uplink Control Information (UCI) in fifth generation (5G) systems.
  • UCI Uplink Control Information
  • Uplink Control Information (UCI) transmitted by User Equipments (UEs) in conventional Long Term Evolution (LTE) systems can be transmitted via the Physical Uplink Control Channel (PUCCH) or Physical Uplink Shared Channel (PUSCH) and can carry scheduling requests, Hybrid Automatic Repeat Request (HARQ) Acknowledgment (ACK) feedback, and/or Channel State Information (CSI) feedback.
  • PUCCH Physical Uplink Control Channel
  • PUSCH Physical Uplink Shared Channel
  • HARQ Hybrid Automatic Repeat Request
  • ACK Acknowledgment
  • CSI Channel State Information
  • FIG. 1 is a block diagram illustrating an example user equipment (UE) useable in connection with various aspects described herein.
  • UE user equipment
  • FIG. 2 is a block diagram illustrating a system that facilitates generation of a fifth generation (5G) Uplink Control Information (xUCI) report by a user equipment (UE) according to various aspects described herein.
  • 5G fifth generation
  • xUCI Uplink Control Information
  • FIG. 3 is a block diagram illustrating a system that facilitates reception of a xUCI message comprising a Channel State Information (CSI) report at a base station according to various aspects described herein.
  • CSI Channel State Information
  • FIG. 4 is a flow diagram illustrating an example method that facilitates generation of a CSI report based on CSI Reference Signal (CSI-RS) signals received via a plurality of transmit (Tx) beams at a UE according to various aspects described herein.
  • FIG. 5 is a flow diagram illustrating an example method that facilitates reception of a xUCI message comprising a CSI report via a 5G Physical Uplink Shared Channel (xPUSCH) by a base station according to various aspects described herein.
  • CSI-RS CSI Reference Signal
  • Tx transmit
  • FIG. 5 is a flow diagram illustrating an example method that facilitates reception of a xUCI message comprising a CSI report via a 5G Physical Uplink Shared Channel (xPUSCH) by a base station according to various aspects described herein.
  • xPUSCH 5G Physical Uplink Shared Channel
  • a component can be a processor (e.g., a microprocessor, a controller, or other processing device), a process running on a processor, a controller, an object, an executable, a program, a storage device, a computer, a tablet PC and/or a user equipment (e.g., mobile phone, etc.) with a processing device.
  • a processor e.g., a microprocessor, a controller, or other processing device
  • a process running on a processor e.g., a microprocessor, a controller, or other processing device
  • an object running on a server and the server
  • a user equipment e.g., mobile phone, etc.
  • an application running on a server and the server can also be a component.
  • One or more components can reside within a process, and a component can be localized on one computer and/or distributed between two or more computers.
  • a set of elements or a set of other components can be described herein, in which the term "set"
  • these components can execute from various computer readable storage media having various data structures stored thereon such as with a module, for example.
  • the components can communicate via local and/or remote processes such as in accordance with a signal having one or more data packets (e.g., data from one component interacting with another component in a local system, distributed system, and/or across a network, such as, the Internet, a local area network, a wide area network, or similar network with other systems via the signal).
  • a signal having one or more data packets (e.g., data from one component interacting with another component in a local system, distributed system, and/or across a network, such as, the Internet, a local area network, a wide area network, or similar network with other systems via the signal).
  • a component can be an apparatus with specific functionality provided by mechanical parts operated by electric or electronic circuitry, in which the electric or electronic circuitry can be operated by a software application or a firmware application executed by one or more processors.
  • the one or more processors can be internal or external to the apparatus and can execute at least a part of the software or firmware application.
  • a component can be an apparatus that provides specific functionality through electronic components without mechanical parts; the electronic components can include one or more processors therein to execute software and/or firmware that confer(s), at least in part, the functionality of the electronic components.
  • circuitry may refer to, be part of, or include an Application Specific Integrated Circuit (ASIC), an electronic circuit, a processor (shared, dedicated, or group), and/or memory (shared, dedicated, or group) that execute one or more software or firmware programs, a combinational logic circuit, and/or other suitable hardware components that provide the described functionality.
  • ASIC Application Specific Integrated Circuit
  • the circuitry may be implemented in, or functions associated with the circuitry may be implemented by, one or more software or firmware modules.
  • circuitry may include logic, at least partially operable in hardware.
  • FIG. 1 illustrates, for one embodiment, example components of a User Equipment (UE) device 100.
  • the UE device 100 may include application circuitry 102, baseband circuitry 104, Radio Frequency (RF) circuitry 106, front-end module (FEM) circuitry 108 and one or more antennas 1 10, coupled together at least as shown.
  • RF Radio Frequency
  • FEM front-end module
  • the application circuitry 102 may include one or more application processors.
  • the application circuitry 102 may include circuitry such as, but not limited to, one or more single-core or multi-core processors.
  • the processor(s) may include any combination of general-purpose processors and dedicated processors (e.g., graphics processors, application processors, etc.).
  • the processors may be coupled with and/or may include memory/storage and may be configured to execute instructions stored in the memory/storage to enable various applications and/or operating systems to run on the system.
  • the baseband circuitry 104 may include circuitry such as, but not limited to, one or more single-core or multi-core processors.
  • the baseband circuitry 104 may include one or more baseband processors and/or control logic to process baseband signals received from a receive signal path of the RF circuitry 106 and to generate baseband signals for a transmit signal path of the RF circuitry 106.
  • Baseband processing circuity 104 may interface with the application circuitry 102 for generation and processing of the baseband signals and for controlling operations of the RF circuitry 106.
  • the baseband circuitry 104 may include a second generation (2G) baseband processor 104a, third generation (3G) baseband processor 104b, fourth generation (4G) baseband processor 104c, and/or other baseband processor(s) 104d for other existing generations, generations in development or to be developed in the future (e.g., fifth generation (5G), 6G, etc.).
  • the baseband circuitry 104 e.g., one or more of baseband processors 104a-d
  • the radio control functions may include, but are not limited to, signal modulation/demodulation, encoding/decoding, radio frequency shifting, etc.
  • modulation/demodulation circuitry of the baseband circuitry 104 may include Fast-Fourier Transform (FFT), precoding, and/or constellation
  • encoding/decoding circuitry of the baseband circuitry 104 may include convolution, tail-biting convolution, turbo, Viterbi, and/or Low Density Parity Check (LDPC) encoder/decoder functionality.
  • LDPC Low Density Parity Check
  • Embodiments of modulation/demodulation and encoder/decoder functionality are not limited to these examples and may include other suitable functionality in other embodiments.
  • the baseband circuitry 104 may include elements of a protocol stack such as, for example, elements of an evolved universal terrestrial radio access network (EUTRAN) protocol including, for example, physical (PHY), media access control (MAC), radio link control (RLC), packet data convergence protocol (PDCP), and/or radio resource control (RRC) elements.
  • EUTRAN evolved universal terrestrial radio access network
  • a central processing unit (CPU) 104e of the baseband circuitry 104 may be configured to run elements of the protocol stack for signaling of the PHY, MAC, RLC, PDCP and/or RRC layers.
  • the baseband circuitry may include one or more audio digital signal processor(s) (DSP) 104f.
  • DSP audio digital signal processor
  • the audio DSP(s) 104f may be include elements for compression/decompression and echo cancellation and may include other suitable processing elements in other embodiments.
  • Components of the baseband circuitry may be suitably combined in a single chip, a single chipset, or disposed on a same circuit board in some embodiments.
  • some or all of the constituent components of the baseband circuitry 104 and the application circuitry 102 may be implemented together such as, for example, on a system on a chip (SOC).
  • SOC system on a chip
  • the baseband circuitry 104 may provide for communication compatible with one or more radio technologies.
  • the baseband circuitry 104 may support communication with an evolved universal terrestrial radio access network (EUTRAN) and/or other wireless metropolitan area networks (WMAN), a wireless local area network (WLAN), a wireless personal area network (WPAN).
  • EUTRAN evolved universal terrestrial radio access network
  • WMAN wireless metropolitan area networks
  • WLAN wireless local area network
  • WPAN wireless personal area network
  • multi-mode baseband circuitry Embodiments in which the baseband circuitry 104 is configured to support radio communications of more than one wireless protocol.
  • RF circuitry 106 may enable communication with wireless networks using modulated electromagnetic radiation through a non-solid medium.
  • the RF circuitry 106 may include switches, filters, amplifiers, etc. to facilitate the communication with the wireless network.
  • RF circuitry 106 may include a receive signal path which may include circuitry to down-convert RF signals received from the FEM circuitry 108 and provide baseband signals to the baseband circuitry 104.
  • RF circuitry 106 may also include a transmit signal path which may include circuitry to up-convert baseband signals provided by the baseband circuitry 1 04 and provide RF output signals to the FEM circuitry 108 for transmission.
  • the RF circuitry 106 may include a receive signal path and a transmit signal path.
  • the receive signal path of the RF circuitry 106 may include mixer circuitry 1 06a, amplifier circuitry 106b and filter circuitry 106c.
  • the transmit signal path of the RF circuitry 106 may include filter circuitry 106c and mixer circuitry 106a.
  • RF circuitry 106 may also include synthesizer circuitry 106d for synthesizing a frequency for use by the mixer circuitry 106a of the receive signal path and the transmit signal path.
  • the mixer circuitry 106a of the receive signal path may be configured to down-convert RF signals received from the FEM circuitry 108 based on the synthesized frequency provided by synthesizer circuitry 106d.
  • the amplifier circuitry 106b may be configured to amplify the down-converted signals and the filter circuitry 106c may be a low-pass filter (LPF) or band-pass filter (BPF) configured to remove unwanted signals from the down-converted signals to generate output baseband signals.
  • LPF low-pass filter
  • BPF band-pass filter
  • Output baseband signals may be provided to the baseband circuitry 104 for further processing.
  • the output baseband signals may be zero- frequency baseband signals, although this is not a requirement.
  • mixer circuitry 1 06a of the receive signal path may comprise passive mixers, although the scope of the embodiments is not limited in this respect.
  • the mixer circuitry 106a of the transmit signal path may be configured to up-convert input baseband signals based on the synthesized frequency provided by the synthesizer circuitry 106d to generate RF output signals for the FEM circuitry 108.
  • the baseband signals may be provided by the baseband circuitry 104 and may be filtered by filter circuitry 1 06c.
  • the filter circuitry 1 06c may include a low-pass filter (LPF), although the scope of the embodiments is not limited in this respect.
  • the mixer circuitry 106a of the receive signal path and the mixer circuitry 106a of the transmit signal path may include two or more mixers and may be arranged for quadrature downconversion and/or upconversion respectively.
  • the mixer circuitry 106a of the receive signal path and the mixer circuitry 106a of the transmit signal path may include two or more mixers and may be arranged for image rejection (e.g., Hartley image rejection).
  • the mixer circuitry 1 06a of the receive signal path and the mixer circuitry 106a may be arranged for direct downconversion and/or direct upconversion, respectively.
  • the mixer circuitry 106a of the receive signal path and the mixer circuitry 106a of the transmit signal path may be configured for super-heterodyne operation.
  • the output baseband signals and the input baseband signals may be analog baseband signals, although the scope of the embodiments is not limited in this respect.
  • the output baseband signals and the input baseband signals may be digital baseband signals.
  • the RF circuitry 106 may include analog-to-digital converter (ADC) and digital-to-analog converter (DAC) circuitry and the baseband circuitry 104 may include a digital baseband interface to communicate with the RF circuitry 106.
  • ADC analog-to-digital converter
  • DAC digital-to-analog converter
  • a separate radio IC circuitry may be provided for processing signals for each spectrum, although the scope of the
  • the synthesizer circuitry 106d may be a fractional-N synthesizer or a fractional N/N+1 synthesizer, although the scope of the embodiments is not limited in this respect as other types of frequency synthesizers may be suitable.
  • synthesizer circuitry 106d may be a delta-sigma synthesizer, a frequency multiplier, or a synthesizer comprising a phase-locked loop with a frequency divider.
  • the synthesizer circuitry 106d may be configured to synthesize an output frequency for use by the mixer circuitry 106a of the RF circuitry 1 06 based on a frequency input and a divider control input. In some embodiments, the synthesizer circuitry 106d may be a fractional N/N+1 synthesizer.
  • frequency input may be provided by a voltage controlled oscillator (VCO), although that is not a requirement.
  • VCO voltage controlled oscillator
  • Divider control input may be provided by either the baseband circuitry 104 or the applications processor 102 depending on the desired output frequency.
  • a divider control input (e.g., N) may be determined from a look-up table based on a channel indicated by the applications processor 1 02.
  • Synthesizer circuitry 1 06d of the RF circuitry 106 may include a divider, a delay-locked loop (DLL), a multiplexer and a phase accumulator.
  • the divider may be a dual modulus divider (DMD) and the phase accumulator may be a digital phase accumulator (DPA).
  • the DMD may be configured to divide the input signal by either N or N+1 (e.g., based on a carry out) to provide a fractional division ratio.
  • the DLL may include a set of cascaded, tunable, delay elements, a phase detector, a charge pump and a D-type flip- flop.
  • the delay elements may be configured to break a VCO period up into Nd equal packets of phase, where Nd is the number of delay elements in the delay line.
  • Nd is the number of delay elements in the delay line.
  • synthesizer circuitry 1 06d may be configured to generate a carrier frequency as the output frequency, while in other embodiments, the output frequency may be a multiple of the carrier frequency (e.g., twice the carrier frequency, four times the carrier frequency) and used in conjunction with quadrature generator and divider circuitry to generate multiple signals at the carrier frequency with multiple different phases with respect to each other.
  • the output frequency may be a LO frequency (fLO).
  • the RF circuitry 106 may include an IQ/polar converter.
  • FEM circuitry 108 may include a receive signal path which may include circuitry configured to operate on RF signals received from one or more antennas 1 10, amplify the received signals and provide the amplified versions of the received signals to the RF circuitry 106 for further processing.
  • FEM circuitry 108 may also include a transmit signal path which may include circuitry configured to amplify signals for transmission provided by the RF circuitry 106 for transmission by one or more of the one or more antennas 1 1 0.
  • the FEM circuitry 108 may include a TX/RX switch to switch between transmit mode and receive mode operation.
  • the FEM circuitry may include a receive signal path and a transmit signal path.
  • the receive signal path of the FEM circuitry may include a low-noise amplifier (LNA) to amplify received RF signals and provide the amplified received RF signals as an output (e.g., to the RF circuitry 106).
  • LNA low-noise amplifier
  • the transmit signal path of the FEM circuitry 108 may include a power amplifier (PA) to amplify input RF signals (e.g., provided by RF circuitry 106), and one or more filters to generate RF signals for subsequent transmission (e.g., by one or more of the one or more antennas 1 1 0.
  • PA power amplifier
  • the UE device 100 may include additional elements such as, for example, memory/storage, display, camera, sensor, and/or input/output (I/O) interface.
  • additional elements such as, for example, memory/storage, display, camera, sensor, and/or input/output (I/O) interface.
  • BS base station
  • eNB Evolved NodeB
  • Massive Multiple Input and Multiple Output (MIMO) techniques can be employed in 5G systems to enhance coverage and improve spectrum efficiency.
  • the eNB can maintain a number of Transmitting (Tx) and Receiving (Rx) beams.
  • a UE can report the Channel State Information (CSI) as well as the beam information.
  • the beam information can contain the Tx beam index and the Beam Reference Signal Receiving Power (BRS-RP).
  • the 5G Uplink Control Information can be reported via the 5G Physical Uplink Shared Channel (xPUSCH) if the uplink grant is received.
  • xPUSCH 5G Physical Uplink Shared Channel
  • System 200 can include a processor 210 (e.g., a baseband processor such as one of the baseband processors discussed in connection with FIG.
  • system 200 can be included within a user equipment (UE). As described in greater detail below, system 200 can facilitate reception of Channel State Information (CSI) Reference Signal (CSI-RS) signals via one or more transmit (Tx) beams and generation of a xUCI message based on the received CSI-RS signals.
  • CSI Channel State Information
  • Tx transmit
  • Processor 210 can process CSI-RS signals received by receiver circuitry 220.
  • CSI-RS signals received by receiver circuity can comprise a distinct set of CSI-RS signals for each of a plurality of Tx beams. Based on the CSI-RS signals received over each Tx beam of the plurality of Tx beams, processor 210 can determine a set of CSI parameters associated with that beam.
  • Each set of CSI parameters determined for a Tx beam by processor 210 can comprise one or more of: at least one Channel Quality Indicator (CQI) associated with that Tx beam (e.g., a wideband CQI and/or one or more subband differential CQIs, etc.), at least one Precoding Matrix Indicator (PMI) associated with that Tx beam (e.g., a wideband PMI and/or one or more subband differential PMIs, etc.), or a Rank Indicator (Rl) for that beam.
  • CQI Channel Quality Indicator
  • PMI Precoding Matrix Indicator
  • Rl Rank Indicator
  • processor 21 0 can generate a CSI report (e.g., as a set of CSI bits) that indicates the n distinct set(s) of CSI parameters for each of the n Tx beams.
  • a CSI report e.g., as a set of CSI bits
  • what those distinct sets of CSI parameters comprise may vary. Examples of CSI reports discussed herein include example wideband CQI reports and subband CQI reports configured via higher layer signaling, such as higher layer configured subband CQI reports and higher layer configured subband CQI and subband PMI reports.
  • processor 210 can process a distinct set of beam reference signals (BRS) received by receiver circuitry 220 over each Tx beam of at least a subset of the Tx beams. Based on the set of BRS signals received over a given Tx beam, processor 210 can determine a BRS Received Power (BRS-RP) associated with that Tx beam.
  • BRS-RP BRS Received Power
  • processing e.g., by processor 210, processor 310, etc.
  • processing can comprise one or more of: identifying physical resources associated with the signal/message, detecting the signal/message, resource element group deinterleaving, demodulation, descrambling, and/or decoding.
  • Processor 210 can generate a xUCI message that can comprise the CSI report (e.g., that indicates the n distinct set(s) of CSI parameters for the n Tx beams).
  • the xUCI message can also comprise a BRS-RP report indicating BRS-RPs for x beams (e.g., with x predefined or configured via higher layer signaling).
  • processor 210 can output the BRS-RP report for transmission as MAC (medium access control) Control Elements.
  • Processor 210 can output the xUCI message for
  • generation can comprise one or more of: generating a set of associated bits (e.g., xUCI bits) that indicate the data of the signal or message (e.g., for the xUCI message, this can comprise the CSI report and/or BRS-RP report), coding (e.g., which can include adding a cyclic redundancy check (CRC) and/or coding via one or more of turbo code, low density parity-check (LDPC) code, tailbiting convolution code (TBCC), etc.), scrambling (e.g., based on a scrambling seed), modulating (e.g., via one of binary phase shift keying (BPSK), quadrature phase shift keying (QPSK), or some form of quadrature amplitude modulation (QAM), etc.), and/or resource mapping (e.g., via one of binary phase shift keying (BPSK), quadrature phase shift keying (QPSK), or some form of quadrature amplitude modulation (QAM), etc.),
  • a beam indicator e.g., indicated via 3 bits
  • a wideband CQI e.g., indicated via 4 bits
  • PMI e.g., indicated via 2N bits for rank 1 or N bits for rank 2, where N can be predetermined or configured via higher layer signaling and/or based on system bandwidth, etc.
  • Rl e.g., indicated via 1 bit
  • the wideband CQI report can comprise, in order: the Bl, wideband CQI, PMI, and Rl for a first Tx beam of the n Tx beams; the Bl, wideband CQI, PMI, and Rl for a second Tx beam of the n Tx beams; etc.; through to the Bl, wideband CQI, PMI, and Rl for a nth Tx beam of the n Tx beams.
  • the wideband CQI report can comprise a bit sequence in an order indicated herein, for example, beginning with the first bit of the Bl of the first Tx beam, and ending with the last bit of the Rl of the nth Tx beam.
  • the PMI can be in increasing order of subband index (or an alternate order, e.g., decreasing order of subband index), and multiple bit fields can be in order of most significant bit (MSB) to least significant bit (LSB) (or, alternatively, LSB to MSB).
  • MSB most significant bit
  • LSB least significant bit
  • a Bl e.g., indicated via 3 bits
  • a wideband CQI e.g., indicated via 4 bits
  • one or more subband differential CQIs e.g., indicated via 2N bits, with N as described herein
  • PMI e.g., indicated via 2 bits for rank 1 or 1 bit for rank 2
  • Rl e.g., indicated via 1 bit
  • the higher layer configured subband CQI report can comprise, in order: the Bl, wideband CQI, one or more subband differential CQIs, PMI, and Rl for a first Tx beam of the n Tx beams; the Bl, wideband CQI, one or more subband differential CQIs, PMI, and Rl for a second Tx beam of the n Tx beams; etc.; through to the Bl, wideband CQI, one or more subband differential CQIs, PMI, and Rl for a nth Tx beam of the n Tx beams.
  • the higher layer configured subband CQI report can comprise a bit sequence in an order indicated herein, for example, beginning with the first bit of the Bl of the first Tx beam, and ending with the last bit of the Rl of the nth Tx beam.
  • the subband differential CQI(s) can be in increasing order of subband index (or an alternate order, e.g., decreasing order of subband index), and multiple bit fields can be in order of MSB to LSB (or, alternatively, LSB to MSB).
  • a Bl e.g., indicated via 3 bits
  • a wideband CQI e.g., indicated via 4 bits
  • subband differential CQI(s) e.g., indicated via 2N bits, with N as described herein
  • subband PMI(s) e.g., indicated via 2N bits for rank 1 or N bit for rank 2
  • Rl e.g., indicated via 1 bit
  • the higher layer configured subband CQI and subband PMI report can comprise, in order: the Bl, wideband CQI, subband differential CQI(s), subband PMI(s), and Rl for a first Tx beam of the n Tx beams; the Bl, wideband CQI, subband differential CQI(s), subband PMI(s), and Rl for a second Tx beam of the n Tx beams; etc.; through to the Bl, wideband CQI, subband differential CQI(s), subband PMI(s), and Rl for a nth Tx beam of the n Tx beams.
  • the higher layer configured subband CQI and subband PMI report can comprise a bit sequence in an order indicated herein, for example, beginning with the first bit of the Bl of the first Tx beam, and ending with the last bit of the Rl of the nth Tx beam.
  • the subband differential CQI(s) and/or subband PMI(s) can be in increasing order of subband index (or an alternate order, e.g., decreasing order of subband index), and multiple bit fields can be in order of MSB to LSB (or, alternatively, LSB to MSB).
  • System 300 can include a processor 31 0 (e.g., a baseband processor such as one of the baseband processors discussed in connection with FIG. 1 ), transmitter circuitry 320, receiver circuitry 330, and memory 340 (which can comprise any of a variety of storage mediums and can store instructions and/or data associated with one or more of processor 310, transmitter circuitry 320, or receiver circuitry 330).
  • processor 31 0 e.g., a baseband processor such as one of the baseband processors discussed in connection with FIG. 1
  • transmitter circuitry 320 e.g., a baseband processor such as one of the baseband processors discussed in connection with FIG. 1
  • transmitter circuitry 320 e.g., transmitter circuitry 320, receiver circuitry 330, and memory 340 (which can comprise any of a variety of storage mediums and can store instructions and/or data associated with one or more of processor 310, transmitter circuitry 320, or receiver circuitry 330).
  • system 300 can be included within an
  • Evolved Universal Terrestrial Radio Access Network E-UTRAN
  • Node B Evolved Node B, eNodeB, or eNB
  • the processor 310, the transmitter circuitry 320, the receiver circuitry 330, and the memory 340 can be included in a single device, while in other aspects, they can be included in different devices, such as part of a distributed architecture.
  • system 300 can facilitate processing of a xUCI message received from a UE that indicates CSI associated with one or more Tx beams.
  • Processor 310 can generate a distinct set of CSI-RS signals for each of one or more Tx beams, and can output the distinct sets of CSI-RS signals to transmitter circuitry 320 for transmission to a UE via the associated Tx beam.
  • Processor 310 can process a xUCI message received by receiver circuitry 330 from the UE.
  • the n Tx beams can comprise at least one of the one or more Tx beams transmitted by transmitter circuitry 320, or can comprise none of the one or more Tx beams.
  • the distinct set of CSI parameters for each of the n Tx beams can vary.
  • each distinct set of CSI parameters can comprise a Bl, wideband CQI, PMI, and Rl for the Tx beam associated with that set of CSI parameters; for a higher layer configured (e.g., by higher layer signaling generated by processor 310, etc.) subband CQI report, each distinct set of CSI parameters can comprise a Bl, wideband CQI, one or more subband differential CQIs, PMI, and Rl for the Tx beam associated with that set of CSI parameters; for a higher layer configured (e.g., by higher layer signaling generated by processor 31 0, etc.) subband CQI and PMI report, each distinct set of CSI parameters can comprise a Bl, wideband CQI, one or more subband differential CQIs, one or more subband differential PMIs, and Rl for the Tx beam associated with that set of CSI parameters; etc.
  • processor 310 can determine transmit parameters for some or all of the n Tx beams, which can be determined based at least in part on the distinct set of CSI parameters associated with that Tx beam.
  • a UE can report the CSI for the two best beams measured from CSI-RS received by the eNB.
  • the UE can report the following information in the wideband CQI report: Bl for beam 1 ; wideband CQI, PMI, and Rl for beam 1 ; Bl for beam 2; and wideband CQI, PMI, and Rl for beam 2.
  • Table 1 shows fields and example corresponding bit widths for the CQI feedback for wideband reports for xPDSCH (5G Physical Downlink Shared Channel) transmissions.
  • N in Table 1 below can be configured by higher layer signaling and/or determined by system bandwidth.
  • Table 1 Fields for channel quality information feedback for wideband CQI reports
  • Table 2 shows the fields and example corresponding bit widths for the rank indication feedback for wideband CQI reports for xPDSCH transmissions.
  • Table 2 Fields for rank indication feedback for wideband CQI reports
  • the field of PMI can be in an increasing order of subband index.
  • the first bit of each field can correspond to the MSB for that field, and the last bit can correspond to the LSB for that field.
  • the UE can report the CSI for the two best beams measured from the CSI-RS.
  • the UE can report the following information: Bl for beam 1 , subband CQI and PMI for beam 1 , Rl for beam 1 , Bl for beam 2, subband CQI and PMI for beam 2, and Rl for beam 2.
  • Table 3, below, shows the fields and example corresponding bit widths for the channel quality information feedback for higher layer configured reports for xPDSCH transmissions.
  • Table 3 Fields for channel quality information feedback for higher layer configured subband CQI reports
  • Table 4 shows the fields and example corresponding bit widths for the channel quality information feedback for higher layer configured reports for xPDSCH transmissions configured with subband PMI/RI reporting.
  • Table 4 Fields for channel quality information feedback for higher layer configured subband CQI and subband PMI reports Bit Width
  • Subband precoding matrix indicator first beam 2N N
  • Table 5 shows the fields and example corresponding bit widths for the rank indication feedback for higher layer configured subband CQI reports or higher layer configured subband CQI and subband PMI reports for xPDSCH transmissions.
  • Table 5 Fields for rank indication feedback for higher layer configured subband CQI reports or higher layer configured subband CQI and subband PMI reports
  • the channel quality bits in Tables 3, 4, and 5 can form the bit sequence 0, o t , o 2 , - , o 0 - ⁇ with o 0 corresponding to the first bit of the first field in each of the tables, o 1 corresponding to the second bit of the first field in each of the tables, and o 0 _ x corresponding to the last bit in the last field in each of the tables.
  • the fields of the PMI and subband differential CQI can be in an increasing order of subband index.
  • the first bit of each field can correspond to the MSB for that field, and the last bit can correspond to the LSB for that field.
  • the BRS-RP for x beams can be reported by a UE to an eNB by xPUSCH when triggered, where can be provided by higher layer signaling or predefined in the specification.
  • the BRS-RPs can be reported as MAC Control
  • the BRS-RPs can be reported as a component of xUCI, for example, when the xUCI is transmitted without data.
  • FIG. 4 illustrated is a flow diagram of a method 400 that facilitates generation of a CSI report based on CSI-RS signals received via a plurality of Tx beams at a UE according to various aspects described herein.
  • method 400 can be performed at a UE.
  • a machine readable medium can store instructions associated with method 400 that, when executed, can cause a UE to perform the acts of method 400.
  • a distinct set of CSI-RS signals can be received over each of a plurality of Tx beams.
  • a distinct set of CSI parameters can be calculated for each of the plurality of Tx beams based on the CSI-RS received via that Tx beam.
  • the distinct set of CSI parameters for each Tx beam can comprise one or more of a wideband CQI, one or more subband differential CQIs, a PMI, one or more subband PMIs, or a Rl.
  • the n Tx beams can be selected based on the distinct set(s) of CSI parameters associated with the n Tx beams (e.g., the n beams having the best channel quality, etc.).
  • a xUCI message can be generated that can comprise a CSI report indicating the n sets of CSI parameters associated with the n Tx beams.
  • the xUCI message can also comprise a BRS-RP report generated as described herein.
  • the CSI report can be transmitted to an eNB (e.g., via xPUSCH).
  • method 500 that facilitates reception of a xUCI message comprising a CSI report via xPUSCH by a base station according to various aspects described herein.
  • method 500 can be performed at an eNB.
  • a machine readable medium can store instructions associated with method 500 that, when executed, can cause an eNB to perform the acts of method 500.
  • a distinct set of CSI-RS signals can be generated for each of one or more Tx beams.
  • the distinct set(s) of CSI-RS signals can be transmitted via the associated Tx beams to a UE.
  • a xUCI message can be received from the UE, wherein the xUCI report can comprise a CSI report that indicates n sets of CSI parameters each associated with a distinct Tx beam.
  • the set(s) of CSI parameters can comprise one or more of the following: a wideband CQI, one or more subband differential CQIs, a PMI, one or more subband PMIs, or a Rl.
  • the xUCI message can also comprise a BRS-RP report.
  • transmit characteristics or parameters associated with one or more of the n Tx beams can be determined.
  • Examples herein can include subject matter such as a method, means for performing acts or blocks of the method, at least one machine-readable medium including executable instructions that, when performed by a machine (e.g., a processor with memory, an application-specific integrated circuit (ASIC), a field programmable gate array (FPGA), or the like) cause the machine to perform acts of the method or of an apparatus or system for concurrent communication using multiple communication technologies according to embodiments and examples described.
  • a machine e.g., a processor with memory, an application-specific integrated circuit (ASIC), a field programmable gate array (FPGA), or the like
  • Example 1 is an apparatus configured to be employed within a User
  • UE comprising a processor configured to: process, for each of a plurality of transmit (Tx) beams, a set of channel state information (CSI) reference signal (CSI- RS) signals received over that Tx beam; determine, for each of the plurality of Tx beams, a distinct set of CSI parameters associated with that Tx beam, wherein each set of CSI parameters comprises one or more channel quality indicators (CQIs), one or more precoding matrix indicators (PMIs), and a rank indicator (Rl) associated with that Tx beam; generate a CSI report indicating a first set of CSI parameters associated with a first Tx beam of the plurality of Tx beams and indicating a second set of CSI parameters associated with a second Tx beam of the plurality of Tx beams; generate a fifth generation (5G) uplink control information (xUCI) message comprising the CSI report; and output the xUCI message for transmission to an Evolved NodeB (eNB).
  • Tx transmit
  • CSI- RS
  • Example 2 comprises the subject matter of any variation of example 1 , wherein the first set of CSI parameters comprises a first wideband CQI associated with the first Tx beam and the second set of CSI parameters comprises a second wideband CQI associated with the second Tx beam.
  • Example 3 comprises the subject matter of any variation of example 2, wherein the CSI report indicates the first wideband CQI and the second wideband CQI via four bits each.
  • Example 4 comprises the subject matter of any variation of any of examples 1 -3, wherein the CSI report is a wideband CSI report.
  • Example 5 comprises the subject matter of any variation of example 4, wherein the CSI report indicates a first Bl, a first wideband CQI, a first PMI and a first Rl associated with the first Tx beam, and indicates a second Bl, a second wideband CQI, a second PMI and a second Rl associated with the second Tx beam.
  • Example 6 comprises the subject matter of any variation of example 5, wherein the CSI report indicates the first PMI and the second PMI via 2N bits each when a rank 1 transmission is received via the associated Tx beam, and indicates the first PMI and the second PMI via N bits each when a rank 2 transmission is received via the associated Tx beam.
  • Example 7 comprises the subject matter of any variation of example 6, wherein N is configured via higher layer signaling.
  • Example 8 comprises the subject matter of any variation of example 6, wherein N is determined based on system bandwidth.
  • Example 9 comprises the subject matter of any variation of any of examples 1 -3, wherein the CSI report is a subband CSI report configured via higher layer signaling.
  • Example 10 comprises the subject matter of any variation of example 9, wherein the CSI report indicates a first set of subband differential CQIs associated with the first Tx beam and a second set of subband differential CQIs associated with the second Tx beam.
  • Example 1 1 comprises the subject matter of any variation of example 1 , wherein the CSI report is a wideband CSI report.
  • Example 12 comprises the subject matter of any variation of example 1 , wherein the CSI report is a subband CSI report configured via higher layer signaling.
  • Example 13 is a machine readable medium comprising instructions that, when executed, cause a User Equipment (UE) to: receive a distinct set of channel state information (CSI) reference signal (CSI-RS) signals over each of a plurality of transmit (Tx) beams; calculate a set of CSI parameters for each Tx beam of the plurality of Tx beams, wherein each set of CSI parameters is calculated based on the distinct set of CSI-RS signals received over that Tx beam, wherein each set of CSI parameters comprises one or more channel quality indicators (CQIs), one or more precoding matrix indicators (PMIs), and a rank indicator (Rl) associated with that Tx beam; select a first Tx beam and a second Tx beam of the plurality of Tx beams, wherein the first Tx beam is selected based at least in part on a first set of CSI parameters based on the distinct set of CSI-RS signals received over the first Tx beam, and the second Tx beam is selected based at least in part on a second set
  • Example 14 comprises the subject matter of any variation of example 13, wherein the first set of CSI parameters comprises a first Bl, a first wideband CQI, and a first Rl associated with the first Tx beam, and wherein the second set of CSI parameters comprises a second Bl, a second wideband CQI, and a second Rl associated with the second Tx beam.
  • Example 15 comprises the subject matter of any variation of example 13, wherein the CSI report comprises a plurality of bits that indicate, in order, a first Bl, one or more first CQIs, one or more first PMIs, and a first Rl associated with the first Tx beam, and a second Bl, one or more second CQIs, one or more second PMIs, and a second Rl associated with the second Tx beam.
  • Example 16 comprises the subject matter of any variation of any of examples 13-1 5, wherein the CSI report is a subband CSI report configured via higher layer signaling.
  • Example 17 comprises the subject matter of any variation of example 16, wherein the CSI report indicates one or more first subband differential CQIs associated with distinct subbands of the first Tx beam and one or more second subband differential CQIs associated with distinct subbands of the second Tx beam.
  • Example 18 comprises the subject matter of any variation of example 16, wherein the CSI report indicates the one or more first subband differential CQIs and the one or more second subband differential CQIs in order of increasing subband indices.
  • Example 19 comprises the subject matter of any variation of example 16, wherein the CSI report indicates one or more first subband PMIs associated with distinct subbands of the first Tx beam and one or more second subband PMIs associated with distinct subbands of the second Tx beam.
  • Example 20 comprises the subject matter of any variation of any of examples 13-1 5, wherein the CSI report is a wideband CSI report.
  • Example 21 comprises the subject matter of any variation of any of examples 13-1 5, wherein the xUCI message comprises a beam reference signal (BRS) received power (BRS-RP) report that indicates an associated BRS-RP for each of one or more Tx beams, wherein each of the associated BRS-RPs is calculated based on a set of BRSs received via the associated Tx beam.
  • BRS beam reference signal
  • BRS-RP received power
  • Example 22 comprises the subject matter of any variation of example 21 , wherein the number of BRS-RPs indicated in the BRS-RP report is configured via higher layer signaling.
  • Example 23 comprises the subject matter of any variation of example 21 , wherein the number of BRS-RPs indicated in the BRS-RP report is predefined.
  • Example 24 comprises the subject matter of any variation of example 13, wherein the CSI report is a subband CSI report configured via higher layer signaling.
  • Example 25 comprises the subject matter of any variation of example 13, wherein the CSI report is a wideband CSI report.
  • Example 26 comprises the subject matter of any variation of example 13, wherein the xUCI message comprises a beam reference signal (BRS) received power (BRS-RP) report that indicates an associated BRS-RP for each of one or more Tx beams, wherein each of the associated BRS-RPs is calculated based on a set of BRSs received via the associated Tx beam.
  • BRS beam reference signal
  • BRS-RP received power
  • Example 27 is an apparatus configured to be employed within an Evolved NodeB (eNB), comprising a processor configured to: generate, for each of one or more transmit (Tx) beams, a distinct set of channel state information (CSI) reference signal (CSI-RS) signals associated with that Tx beam; output each distinct set of CSI-RS signals for transmission to a user equipment (UE) via the Tx beam associated with that distinct set of CSI-RS signals; process a CSI report received from the UE via a fifth generation uplink control information (xUCI) message, wherein the CSI report indicates a first beam index (Bl), one or more first channel quality indicators (CQIs), one or more first precoding matrix indicators (PMIs), and a first rank indicator (Rl) associated with a first Tx beam, and wherein the CSI report indicates a second Bl, one or more second CQIs, one or more second PMIs, and a second Rl associated with a distinct second Tx beam.
  • CSI-RS channel state information
  • Example 28 comprises the subject matter of any variation of example 27, wherein the CSI report is a wideband CSI report.
  • Example 29 comprises the subject matter of any variation of example 27, wherein the CSI report is a subband CSI report generated based at least in part on configuration via higher layer signaling.
  • Example 30 comprises the subject matter of any variation of example 29, wherein the one or more first CQIs comprise a first wideband CQI and one or more first subband differential CQIs, and wherein the one or more second CQIs comprise a second wideband CQI and one or more second subband differential CQIs.
  • Example 31 comprises the subject matter of any variation of any of examples 29-30, wherein the one or more first PMIs comprise one or more first subband PMIs, and wherein the one or more second PMIs comprise one or more second subband PMIs.
  • Example 32 comprises the subject matter of any variation of example 29, wherein the one or more first PMIs comprise one or more first subband PMIs, and wherein the one or more second PMIs comprise one or more second subband PMIs.
  • Example 33 is an apparatus configured to be employed within a User Equipment (UE), comprising: means for receiving configured to receive a distinct set of channel state information (CSI) reference signal (CSI-RS) signals over each of a plurality of transmit (Tx) beams; means for processing configured to: calculate a set of CSI parameters for each Tx beam of the plurality of Tx beams, wherein each set of CSI parameters is calculated based on the distinct set of CSI-RS signals received over that Tx beam, wherein each set of CSI parameters comprises one or more channel quality indicators (CQIs), one or more precoding matrix indicators (PMIs), and a rank indicator (Rl) associated with that Tx beam; select a first Tx beam and a second Tx beam of the plurality of Tx beams, wherein the first Tx beam is selected based at least in part on a first set of CSI parameters based on the distinct set of CSI-RS signals received over the first Tx beam, and the second Tx beam is selected based at least in part
  • Example 34 comprises the subject matter of any variation of example 33, wherein the first set of CSI parameters comprises a first Bl, a first wideband CQI, and a first Rl associated with the first Tx beam, and wherein the second set of CSI parameters comprises a second Bl, a second wideband CQI, and a second Rl associated with the second Tx beam.
  • Example 35 comprises the subject matter of any variation of example 33, wherein the CSI report comprises a plurality of bits that indicate, in order, a first Bl, one or more first CQIs, one or more first PMIs, and a first Rl associated with the first Tx beam, and a second Bl, one or more second CQIs, one or more second PMIs, and a second Rl associated with the second Tx beam.
  • Example 36 comprises the subject matter of any variation of any of examples 33-35, wherein the CSI report is a subband CSI report configured via higher layer signaling.
  • Example 37 comprises the subject matter of any variation of example 36, wherein the CSI report indicates one or more first subband differential CQIs associated with distinct subbands of the first Tx beam and one or more second subband differential CQIs associated with distinct subbands of the second Tx beam.
  • Example 38 comprises the subject matter of any variation of example 36, wherein the CSI report indicates the one or more first subband differential CQIs and the one or more second subband differential CQIs in order of increasing subband indices.
  • Example 39 comprises the subject matter of any variation of example 36, wherein the CSI report indicates one or more first subband PMIs associated with distinct subbands of the first Tx beam and one or more second subband PMIs associated with distinct subbands of the second Tx beam.
  • Example 40 comprises the subject matter of any variation of any of examples 33-35, wherein the CSI report is a wideband CSI report.
  • Example 41 comprises the subject matter of any variation of any of examples 33-35, wherein the xUCI message comprises a beam reference signal (BRS) received power (BRS-RP) report that indicates an associated BRS-RP for each of one or more Tx beams, wherein each of the associated BRS-RPs is calculated based on a set of BRSs received via the associated Tx beam.
  • BRS beam reference signal
  • BRS-RP received power
  • Example 42 comprises the subject matter of any variation of example 41 , wherein the number of BRS-RPs indicated in the BRS-RP report is configured via higher layer signaling.
  • Example 43 comprises the subject matter of any variation of example 41 , wherein the number of BRS-RPs indicated in the BRS-RP report is predefined.
  • Example 44 comprises the subject matter of any variation of any of examples 1 -12, wherein the processor being configured to generate the xUCI message comprises the processor being configured to: generate a set of xUCI bits that indicate the CSI report; code the set of xUCI bits; scramble the set of xUCI bits; modulate the set of xUCI bits; and determine a set of physical resources to map the set of xUCI bits to.

Abstract

La présente invention concerne des techniques permettant de générer des messages d'informations de commande de liaison montante de cinquième génération (5G) (xUCI pour x Uplink Control Information). Un appareil donné à titre d'exemple comprend un processeur configuré de sorte à traiter, pour chaque faisceau de transmission d'une pluralité de faisceaux de transmission (Tx), un ensemble de signaux de signal de référence d'informations d'état de canal (CSI pour Channel State Information) (CSI-RS) reçus sur ce faisceau de transmission; à déterminer, pour chaque faisceau de transmission, un ensemble distinct associé de paramètres d'informations CSI qui comprend un ou plusieurs indicateurs de qualité de canal (CQI pour Channel Quality Indicator), un ou plusieurs indicateurs de matrice de précodage (PMI pour Precoding Matrix Indicator) et un indicateur de rang (RI pour Rank Indicator) pour ce faisceau de transmission; à générer un rapport d'informations CSI indiquant un premier ensemble de paramètres d'informations CSI associés à un premier faisceau de transmission et indiquant un second ensemble de paramètres d'informations CSI associés à un second faisceau de transmission; à générer un message d'informations xUCI comprenant le rapport d'informations CSI; et à produire le message d'informations xUCI pour la transmission à un nœud B évolué (eNB).
PCT/US2016/033069 2016-02-19 2016-05-18 Rapport d'informations de commande de liaison montante de cinquième génération (5g) (xuci) WO2017142574A1 (fr)

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CN111132216B (zh) * 2018-10-31 2023-03-24 维沃移动通信有限公司 信息上报方法、终端及网络设备
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WO2023173245A1 (fr) * 2022-03-14 2023-09-21 Zte Corporation Création de rapport d'informations d'état de canal

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