Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L5/00—Arrangements affording multiple use of the transmission path
  • H04L5/003—Arrangements for allocating sub-channels of the transmission path
  • H04L5/0058—Allocation criteria
  • H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W72/00—Local resource management
  • H04W72/20—Control channels or signalling for resource management
  • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L5/00—Arrangements affording multiple use of the transmission path
  • H04L5/0001—Arrangements for dividing the transmission path
  • H04L5/0014—Three-dimensional division
  • H04L5/0023—Time-frequency-space
• • 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
  • H04B7/06952—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping
  • H04B7/06964—Re-selection of one or more beams after beam failure
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L5/00—Arrangements affording multiple use of the transmission path
  • H04L5/0001—Arrangements for dividing the transmission path
  • H04L5/0003—Two-dimensional division
  • H04L5/0005—Time-frequency
  • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
  • H04L5/0012—Hopping in multicarrier systems
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L5/00—Arrangements affording multiple use of the transmission path
  • H04L5/003—Arrangements for allocating sub-channels of the transmission path
  • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L5/00—Arrangements affording multiple use of the transmission path
  • H04L5/003—Arrangements for allocating sub-channels of the transmission path
  • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L5/00—Arrangements affording multiple use of the transmission path
  • H04L5/003—Arrangements for allocating sub-channels of the transmission path
  • H04L5/0078—Timing of allocation
  • H04L5/0087—Timing of allocation when data requirements change
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W72/00—Local resource management
  • H04W72/12—Wireless traffic scheduling
  • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
  • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W72/00—Local resource management
  • H04W72/50—Allocation or scheduling criteria for wireless resources
  • H04W72/535—Allocation or scheduling criteria for wireless resources based on resource usage policies
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W72/00—Local resource management
  • H04W72/50—Allocation or scheduling criteria for wireless resources
  • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04J—MULTIPLEX COMMUNICATION
  • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
  • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
  • H04J11/0079—Acquisition of downlink reference signals, e.g. detection of cell-ID
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04J—MULTIPLEX COMMUNICATION
  • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
  • H04J2011/0003—Combination with other multiplexing techniques
  • H04J2011/0009—Combination with other multiplexing techniques with FDM/FDMA
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L27/00—Modulated-carrier systems
  • H04L27/26—Systems using multi-frequency codes
  • H04L27/2601—Multicarrier modulation systems
  • H04L27/2602—Signal structure
  • H04L27/26025—Numerology, i.e. varying one or more of symbol duration, subcarrier spacing, Fourier transform size, sampling rate or down-clocking
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L5/00—Arrangements affording multiple use of the transmission path
  • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W72/00—Local resource management
  • H04W72/50—Allocation or scheduling criteria for wireless resources
  • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
  • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
  • H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information

Definitions

• the present invention relates to wireless communication, and more particularly, to a signal transmission method according to a resource allocation priority and a terminal for the signal transmission method.
• massive MTC Machine Type Communicators
• eMBB enhanced mobility and broadband communication
• mMTC massive MTC
• URLLC Ultra-Relevant and Low Latency Communi- cation
• the present invention provides a signal transmission method in accordance with a resource allocation priority.
• Another object of the present invention is to provide a terminal for signal transmission according to a resource allocation priority.
• the symbol may include dropping the SRS transmission.
• the method may further comprise transmitting the PUCCH symbol in the superimposed symbol.
• the SRS symbol may comprise a plurality of consecutive symbols.
• the PUCCH symbol may correspond to a periodic PUCCH symbol or the PUCCH symbol may correspond to an aperiodic PUCCH symbol.
• a method for transmitting a signal according to a resource allocation priority of a mobile station including: receiving an aperiodic sounding reference signal (SRS) Transmitting a PUCCH for a request related to the beam failure when the Physical Uplink Control Channel (PUCCH) is set to be overlapped in a resource region; And dropping the transmission of the aperiodic SRS.
• SRS sounding reference signal
• the Physical Uplink Control Channel (PUCCH) for the request related to the panic failure may correspond to the Short PUCCH.
• a terminal for signal transmission according to resource allocation priority comprising: a transmitter; (SRS) symbol and a Physical Uplink Control Channel (PUCCH) symbol are overlapped with each other, the processor controls the SRS to transmit the SRS in a symbol that is not overlapped by the transmitter Overlapped symbols are configured to drop the SRS transmission (conf igured).
• the processor may control the transmitter to transmit a PUCCH symbol in the superimposed symbol.
• a terminal for signal transmission according to resource allocation priority comprising: a transmitter;
• the apparatus of claim 1 wherein the processor is further configured to: receive a non-periodic Sounding Reference Signal (SRS) and a Physical Uplink Control Channel (PUCCH) for requests associated with beam failure, To control transmission of a PUCCH for a request related to failure and to set the transmission of the aperiodic SRS to be dropped.
• the Physical Uplink Control Channel (PUCCH) for the request related to the beam failure may correspond to the Short PUCCH.
• the method of transmitting according to the resource allocation priority rule or multiplexing by FDM or the like and transmitting The communication performance can be improved.
• FIG. 1 is a block diagram showing the configuration of a base station 105 and a terminal 110 in a wireless communication system 100.
• FIG. 2A is a diagram showing a TXRU virtual model model 1 (sub-array model)
• FIG. 2B is a diagram showing a TXRU virtual model model 2 (a full 1 connection model) to be.
• FIG. 3 is a block diagram for hybrid beamforming.
• FIG. 4 is a diagram showing an example of a range mapped to BRS symbols in the hybrid beamforming.
• FIG. 5 is an exemplary diagram illustrating symbol / sub-symbol al ignment between different numerologies.
• FIG. 7 is a diagram illustrating a multiplex level hopping between the SRS and the PUCCH according to the first embodiment of the proposal 1 (symbol level hopping).
• FIG. 8 is a diagram illustrating a PUCCH hopping pattern.
• FIG. 9 is a diagram illustrating application of a PUCCH candidate position index as an embodiment of proposal 3.
• FIG. 10 is a diagram illustrating a method of allocating PRBs after allocation through VRB when multiplexing SRS and PUCCH.
• FIG. 11 is a diagram showing an example (Implicit allocation) of a periodic PUCCH, a TDM between an aperiodic PUCCH and a periodic SRS.
• FIG. 12 is a diagram illustrating transmission in the case where an SRS for receiving beam sweep and a PUCCH are overlapped.
• the UE collectively refers to a mobile stationary or stationary user equipment such as a UE Oser Equipment, an MS (Mobi le Stat), and an AMS (Advanced Mobile Station). It is also assumed that the base station collectively refers to any node at the network end that communicates with a terminal such as a Node B, an eNode B, a Base Statement, an AP (access point), and a gNode B.
• a terminal such as a Node B, an eNode B, a Base Statement, an AP (access point), and a gNode B.
• a user equipment can receive information through a downlink from a base station, and the terminal can also transmit information through uplink.
• the information transmitted or received by the terminal includes data and various control information, and various physical channels exist depending on the type of information transmitted or received by the terminal.
• FIG. 1 is a block diagram of a CDMA (Code Division Multiple Access), a FDMA (Frequency Division Multiplexed Access), a TDMA (TDMA), an orthogonal frequency division multiplex access (single carrier frequency division multiple access), and the like.
• CDMA may be implemented with radio technology such as UTRAC Universal Terrestrial Radio Access) or CDMA2000.
• TDMA may be implemented in wireless technologies such as GSM (Global System for Mobile Communications) / GPRS (General Packet Radio Service) / EDGE (Enhanced Data Rates for GSM Evolution).
• GSM Global System for Mobile Communications
• GPRS General Packet Radio Service
• EDGE Enhanced Data Rates for GSM Evolution
• 0FDMA Such as IEEE 802.11 (Wi-Fi), IEEE 802.16 (iMAX), IEEE 802-20, E-UTRAC Evolved UTRA).
• UTRA is part of the UMTS Universal Mobile Telecommunication Systems (UMTS).
• 3GPP (3rd Generation Partnership Project) LTEdong term evolution is part of E-UMTSC Evolved UMTS using E-UTRA, adopting 0FDMA in downlink and SC-FDMA in uplink.
• LTE-A Advanced is an evolutionary version of 3GPP LTE.
• FIG. 1 is a block diagram showing the configuration of a base station 105 and a terminal 110 in a wireless communication system 100.
• the wireless communication system 100 may include one or more base stations and / And may include a terminal.
• the base station 105 includes a transmission (Tx) data processor 115, a symbol modulator 120, a transmitter 125, a transmission / reception antenna 130, a processor 180, a memory 185, A receiver 190, a symbol demodulator 195, and a receive data processor 197.
• the terminal 110 includes a transmission (Tx) data processor 165, a symbol modulator 170, a transmitter 175, a transmission / reception antenna 135, a processor 155, a memory 160, a receiver 140, A demodulator 155, and a receive data processor 150.
• the base station 105 and the terminal 110 have a plurality of transmission / reception antennas. Accordingly, the base station 105 and the terminal 110 according to the present invention support a Multiplexed Input Multiple Output (MIMO) system. In addition, the base station 105 according to the present invention can support both the SU-MIM0 (Multiplex User-MIMO) scheme and the SU-MIM0.
• MIMO Multiplexed Input Multiple Output
• the transmit data processor 115 receives traffic data, formats, codes, and interleaves and modulates (or symbol maps) the received traffic data, (&Quot; data symbols ").
• a symbol modulator 120 receives and processes the data symbols and pilot symbols to provide a stream of symbols.
• the symbol modulator 120 multiplexes data and pilot symbols and transmits it to a transmitter (125).
• each transmission symbol may be a data symbol, a pilot symbol, or a signal value of zero.
• Pilot symbols may be transmitted continuously in the symbol period of an acq.
• the pilot symbols may be Frequency Division Multiplexing (FDM) Orthogonal Frequency Division Multiplexing (OFDM), Time Division Multiplexing (TDM), or Code Division Multiplexing (CDM) symbols.
• FDM Frequency Division Multiplexing
• OFDM Orthogonal Frequency Division Multiplexing
• TDM Time Division Multiplexing
• CDM Code Division Multiplexing
• the transmitter 125 receives the stream of symbols and converts it to one or more analog signals and further modulates (eg, amplifies, filters, and frequency upconverts) the analog signals , And generates a downlink signal suitable for transmission over a wireless channel. Then, the transmission antenna 130 transmits the generated downlink signal to the terminal.
• modulates eg, amplifies, filters, and frequency upconverts
• the reception antenna 135 receives the downlink signal from the base station and provides the received signal to the receiver 140.
• a receiver 140 conditions (e.g., filters, amplifies, and downconverts) the received signal and digitizes the conditioned signal to obtain samples.
• the symbol demodulator 145 demodulates the received pilot symbols and provides it to the processor 155 for channel estimation.
• Symbol demodulator 145 also receives frequency estimates for the downlink from processor 155 and performs data demodulation on the received data symbols to estimate the data (which are estimates of the transmitted data symbols) And provides data thimble estimates to a receive (Rx) data processor 150.
• the receive (Rx) The receive data processor 150 demodulates (i.e., symbol demaps), deinterleaves, and decodes the data symbol estimates to recover the transmitted traffic data.
• the processing by the symbol demodulator 145 and the received data processor 150 is complementary to the processing by the symbol modulator 120 and the transmit data processor 115 in the base station 105, respectively.
• the terminal 110 processes the traffic data by the transmit data processor 165 and provides data symbols.
• the symbol modulator 170 may receive and multiplex data symbols, perform modulation, and provide a stream of symbols to the transmitter 175.
• a transmitter 175 receives and processes the stream of symbols to generate an uplink signal.
• the transmission antenna 135 transmits the generated uplink signal to the base station 105.
• the transmitter and the receiver in the terminal and the base station may be configured as one R Radio Frequency) unit.
• an uplink signal is received from the terminal 110 through the receive antenna 130, and the receiver 190 processes the received uplink signal to acquire samples.
• the symbol demodulator 195 then processes these samples to provide received pilot symbols and data symbol estimates for the uplink.
• the receive data processor 197 processes the data symbol estimates to recover the traffic data transmitted from the terminal 110.
• the processors 155 and 180 of the terminal 110 and the base station 105 respectively instruct (for example, control, adjust, manage, etc.) the operation in the terminal 110 and the base station 105.
• Each of the processors 155 and 180 may be coupled with memory units 160 and 185 that store program codes and data.
• the memories 160 and 185 are connected to the processor 180 to store operating system applications and general files.
• the processors 155 and 180 may also be referred to as controllers, microcontrollers, microprocessors, microcomputers, and the like. While processors 155 and 180 may be implemented by hardware or firmware, software, or a combination thereof. When hardware embodiments are used to implement embodiments of the present invention, application specific integrated circuits (ASICs) or DSPs configured to carry out the present invention, DSP signal processing devices (DSPDs), PLDs programmable logic devices (FPGAs), and FPGAs (FPGA programmable gate arrays) may be provided in the processors 155 and 180.
• ASICs application specific integrated circuits
• DSPDs DSP signal processing devices
• FPGAs programmable logic devices
• FPGA programmable gate arrays FPGA programmable gate arrays
• pipware or software may be configured to include modules, procedures, or functions that perform the functions or operations of the present invention, May be contained within the processors 155 and 180 or may be stored in the memories 160 and 185 and driven by the processors 155 and 180.
• Layers of the wireless interface protocol between the terminal and the base station and the wireless communication system (network) are divided into a first layer (LI), a second layer (LI), and a second layer (LI) based on the lower three layers of the OSKopen system interconnection (L2), and a third layer (L3).
• the physical layer belongs to the first layer and provides an information transmission service through a physical channel.
• the RRC (Radio Resource Control) layer belongs to the third layer, Control radio resources.
• the UE and the base station can exchange RRC messages through the RRC layer with the wireless communication network.
• the processor 155 of the terminal and the processor 180 of the base station respectively store signals and data, except for the functions of the terminal 110 and the base station 105 to receive or transmit signals, Processing, but for the sake of descriptive convenience, the processors 155 and 180 are not specifically referred to below. It may be said that a series of operations such as data processing and the like are performed instead of the function of receiving or transmitting a signal even if the processors 155 and 180 are not specifically mentioned.
• trigger type 0 and each configuration of trigger type 1
• Bit SRS request field [4] in DC I format 4 indicates that the SRS parameter set given is the SRS parameter set,
• a single set of SRS parameters srs-Conf igApDCI-FormatO
• a single common set of SRS parameters, srs-Conf igApDCI- Format Ia2b2c is configured by hi each layer signaling.
• the SRS request field is 1 bit for DCI formats 0 / 1A / 2B / 2C / 2D
• a 1-bit SRS request field shall be included in the DCI formats 0 / 1A for frame structure type 1 and 0 / 1A / 2B / 2C / 2D, with a type 1 SRS triggered if the value of the SRS request field is set to. for frame structure type 2 if the UE is configured with SRS parameters for DCI formats 0 / 1A / 2B / 2C / 2D by higher-layer signaling.
• Table 2 shows the trigger type in DCI format 4 in the 3GPP LTE / LTE-A system.
• Table 3 is a table for further explaining the additional contents related to the SRS transmission in the 3GPP LTE / LTE-A system.
• the cell ID and the root value in the LTE system are shown in Table 10 below.
• R, the cell ID and the root value can be determined based on the items in Table 10 below.
• the sequence-group number u in slot «s is defined by a group hop ing pattern f gh (n s) and a sequence-shift pattern / ss according to
• Sequence-group hopping can be enabled or disabled by means of the cell-specific parameter Group-hopping-enab 1 ed. Sequence-group hopping for PUSCH can be disabled for a certain UE through the higher-layer parameter Di sablesequence-group-hopping while being enabled on a cell basis unless the PUSCH transmission corresponds to a Random Access Response Grant or a retransmission of the same transport block as part of the contention based random access procedure.
• the group-hopping pattern / gh ( « s ) may be different for PUSCH, PUCCH and SRS and is given by
• pseudo-random sequence c (i) is defined by clause 7.2.
• the pseudo ⁇ random sequence generator shall be initialized with c init at the beginning of each radio frame where 3 ⁇ 4 is iven by clause 5.5.1.5.
• the sequence-shift pattern / ss definition differs between PUCCH, PUSCH and SRS.
• the base sequence number v within the base sequence group in slot n s is defined by
• sequence c (i) is given by clause 7.2.
• the parameter Sequence-Hopping-Enabled Provisioning for higher layers determines if the sequence is hopping or not. Sequence hopping for PUSCH can be disabled for a certain UE through the higher-layer parameter Di sablesequence-group-
• transmission corresponds to a Random Access Response Grant or a
• the pseudo-random sequence generator shall be initialized with
• the wavelength is shortened so that a plurality of antenna elements can be installed in the same area.
• a total of 64 (8x8) antenna elements can be installed in a 30-GHz band in a 2-dimension array at 0.5 lambda (wavelength) intervals on a panel of 4 by 4 cm with a wavelength of 1 cm. Therefore, in O. W, the number of antenna elements can be used to increase the beamforming (BF) gain to increase the coverage or increase the throughput.
• TXRU Transceiver Unit
• independent beam forming can be performed for each frequency resource.
• Hybrid beamforming having B TXRUs that are fewer than Q antenna elements in an intermediate form of digital beamforming (Digital BF) and analogue BF (analog BF) may be considered.
• Digital BF digital beamforming
• analogue BF analog BF
• FIG. 2A is a diagram illustrating a TXRU virtualization model option 1 (sub-array model), and FIG. 2B is a diagram illustrating a TXRU virtualization model option 2 (ful 1 connection model).
• FIGS. 2A and 2B show typical examples of a connection method of a TXRU and an antenna element.
• the TXRU virtualization model shows the relationship between the output signal of the TXRU and the output signal of the antenna elements.
• 2A shows a manner in which a TXRU is connected to a sub-array, in which case the antenna element is connected to only one TXRU.
• 2B shows the manner in which a TXRU is connected to all antenna elements, in which case the antenna element is connected to all TXRUs.
• W represents a phase vector multiplied by an analog phase shifter. That is, the direction of the analog bombardment is determined by W.
• the mapping between the CSI-RS antenna ports and the TXRUs may be many 1-to-1 or 1-t.
• FIG. 3 is a block diagram for hybrid boundary analysis.
• analog beamforming refers to an operation of performing precoding (or combining) in the RF stage.
• the hybrid beam forming Technique uses precoding (or combining) method for each of the baseband stage and the RF stage to reduce the number of RF chains and the number of D / A (or A / D) converters, The performance of the system can be improved.
• the hybrid beamforming structure may be represented by N transceiver units (TXRU) and M physical antennas.
• TXRU transceiver units
• M physical antennas.
• the digital beamforming for L data l ayer to be transmitted by the transmitting side can be represented by N by L matrix, and then the converted N digital signals are converted into analog signals through TXRU and then expressed by M by N matrix Is applied.
• FIG. 3 is an abstract schematic diagram of a hybrid brooming structure in terms of the TXRU and physical antennas.
• the number of the digital beams is L
• the number of the analog beams is N.
• the base station is designed to change the analog beamforming on a symbol-by-symbol basis, thereby considering more efficient beamforming for a terminal located in a specific area.
• the New RAT system may include a method of introducing a plurality of antenna panels capable of applying independent hybrid bombardment .
• the base station needs at least a synchronization signal, system information, paging Paging), it is possible to consider a sweeping operation in which a plurality of analog bands to be applied by a base station in a specific subframe (SF) are changed on a symbol-by-symbol basis so that all terminals can receive a reception opportunity.
• SF subframe
• FIG. 4 is a diagram showing an example of a range mapped to BRS symbols in the hybrid beamforming.
• FIG. 4 schematically illustrates the generalized sweeping operation for a synchronization signal and system information in a downlink (DL) transmission process.
• the physical resource (or physical channel) through which the system information of the New RAT system is transmitted in a broadcast manner is referred to as xPBCHCphys i cal broadcast channel).
• xPBCHCphys i cal broadcast channel the physical resource through which the system information of the New RAT system is transmitted in a broadcast manner.
• analog beams belonging to different antenna panels within one symbol can be transmitted simultaneously, and a single analog band (which is diverted to a specific antenna panel) is applied as shown in Fig. 4 to measure the channels per analog beam Beam RS (BRS), which is the reference s ignal (RS) And the like.
• BRS analog beam Beam RS
• RS reference s ignal
• the BRS may be defined for a plurality of antenna ports, and each antenna port of the BRS may correspond to a single analog beam.
• the RS used as a reference signal (RS) for measuring a beam is designated as BRS, but may be named as another name.
• the synchronization signal or the xPBCH can be transmitted by applying all the analog signals in the analog beam group so that an arbitrary terminal can receive the signals.
• FIG. 5 is an exemplary diagram illustrating symbol / sub-symbol al ignment between different numerologies.
• the subcarrier spacing of NR is represented by (2nX l5) kHz, n is an integer, and the above subset or superset (at least 15, 30, 60, 120, 240, and 480 kHz) .
• Lt; RTI ID 0.0 > and / or < / RTI > sub-symbol al ignment by adjusting to have the same CP overhead rate.
• the numerology is determined by each service s (eMMB, URLLC, mMTC) and scenarios (high speed and so on) the time / frequency structure ity g ranu i ar a dynamic allocated in accordance with the above.
• the SRS hopping characteristics in the LTE system are as follows.
• the hopping pattern is a UE-specific (RRC)
• SRS can be transmitted in frequency hopping.
• the starting position and hopping formula of the SRS frequency domain is interpreted by the following equation (1).
• nsRs represents the hopping progress interval in the time domain
• Nb is the number of branches allocated to the tree level b
• b can be determined by the BSRS setting in the dedicated RRC
• LTE hopping pattern parameters can be set by terminal-specific R C signaling
• Table 11 is a table for avoiding SRS transmission and PUSCH transmission in NR.
• NR supports one or both of the following:
• Option 1 Support only one of the following options for avoiding collisions between NR-SRS and short PUCCH
• Option 2 Prioritize SRS or short PUCCH transmission, i.e., SRS or short PUCCH in case of col 1 ision
• the setting of SRS in NR can be allocated in various forms according to periodic, aperiodic, or semi-persistent scheduling.
• SRS resource allocation, antenna port mapping, and the like are changed depending on the purpose of SRS transmission (e.g., UL CSI acquisition, UL beam management, etc.) .
• consecutive 1, 2, or 4 symbols are dynamically allocated for SRS transmission, and frequency hopping can be applied to symbol-level or slot-level for SRS transmission.
• This SRS setting should not be confused with the PUCCH allocation area. However, there are various SRS settings for reserving the PUCCH resource.
• the PUCCH whenever the PUCCH is allocated, the SRS symbol position is avoided in case of time division multiplexing Or in case of frequency division multiplexing (FDM), it is necessary to be allocated while avoiding the hopping pattern of the SRS.
• FDM frequency division multiplexing
• hopping of periodic SRS is allocated with a pattern according to each symbol or slot index, so a PUCCH can also be allocated using this pattern. Therefore, the PUCCH can always be allocated without any resource constraint according to the SRS allocation according to the needs of the base station.
• ACK / NACK channel state information (CSI), SR, and the like.
• CSI channel state information
• Proposal 1 For a short or long PUCCH (eg, ACK / NACK, scheduling request (SR)) that is FDM in the time / frequency domain to be transmitted with the SRS, the base station uses SRS and short / long PUCCH with a frequency hopping pattern . Frequency hopping of SRS and short / long PUCCH can be performed through symbols, slots, mini-slots, sub-frames, and so on.
• a short or long PUCCH eg, ACK / NACK, scheduling request (SR)
• SR scheduling request
• the SRS region and the short / long PUCCH region may also be allocated as FDM with independent frequency hopping patterns between symbols, slots, mini-slots, and sub-frames.
• the short / long PUCCH resource Area is allocated to a resource area in which the SRS is not allocated in consideration of the frequency hopping pattern of the SRS.
• the short / long PUCCH resource region can be represented in conjunction with the SRS hopping pattern.
• the SRS resource region is short / long PUCCH The frequency of the resource area.
• a short / long PUCCH is assigned to a resource area that is not allocated.
• the SRS resource region can be represented in conjunction with the short / long PUCCH hopping pattern.
• FIG. 7 is a diagram illustrating multiplexing between SRS and PUCCH as a first embodiment of proposal 1 (symbol level hopping).
• FIG. 7 illustrates a resource allocation area according to the SRS pattern and a PUCCH area to be SRS and FDM. Two symbols are configured for SRS transmission and two symbols are set for PUCCH transmission. In this setting case, FIG. 7 shows an area where three terminals UE A, UE B, and UE C transmit SRS. In FIG. 7, SRS and PUCCH are frequency-hopped at a symbol-level.
• an SRS transmission region is set in a frequency resource region ranging from K to an entire frequency resource region on a symbol /, and an SRS transmission region is allocated in a frequency resource region on a k symbol to a + Is set.
• F 6 represents the position of the SRS set (or per 3 ⁇ 4-) region is srs SRS transmission symbol, slot, or slot mini- Quot;
• PUCCH can be defined as a PUCCH transmission symbol or a timing index of a slot.
• fc ( SRS ) and ( PUCCH ) can be defined as resource allocation start positions (for example, resource allocation frequency start positions) according to the hopping pattern of SRS and PUCCH, respectively. is /, can be represented in a symbol with + F b n SRS), / 2 symbols in the k 0 + F b (n can be represented by SRS). PUCCH transmission area /, k 0 + F (n PUCCH in symbol) as it can be expressed by / 2 in the symbol / c 0 + F "P mye.
• the PUCCH resource region is reserved in the SRS transmission region and can be FDM with the PUCCH frequency hopping and the SRS (SRS of two symbols in FIG. 7, PUCCH of two symbols, SRS transmission example).
• F ( PUCCH ) value is determined according to the symbol, slot, mini-slot, or subframe in which each PUCCH is transmitted.
• the symbol / 2 can be expressed as F ( PUCCH ).
• the SRS transmission region is reserved in advance (for example, in the case of periodic SRS triggering) and the PUCCH can be frequency hopped when FDM with the SRS in the corresponding SRS transmission region 7.
• the short / long PUCCH resource region size and location, or both, which are SRS and FDM, can be set in an upper layer. That is, short / long PUCCH
• the information on the size and / or location of the resource area may be transmitted by the base station to the mobile station through upper layer signaling.
• These short / long PUCCH resource region size and position candidates are represented by a set, and each candidate has a short / long PUCCH frequency hopping pattern.
• Information related to PUCCH frequency hopping can also be set in the upper layer.
• the PUCCH candidate set index may be transmitted by the base station to the UE through the downlink control information (DCI) or higher layer signaling.
• DCI downlink control information
• a size and position of a PUCCH resource region and a frequency hopping pattern information set are proposed.
• Table 12 below is a table illustrating the size and location of the PUCCH resource area and a set of frequency hopping pattern information.
• Table 13 may be pre-shared between the base station and the terminals and known to each other.
• the pattern function is ⁇ ( « ⁇ ; ⁇ ; // ).
• FIG. 8 is a diagram illustrating a PUCCH hopping pattern.
• PUSCCH proposes applying a frequency hopping pattern to a PUCCH when multiplexing with SRS.
• hopping patterns of candidates for each PUCCH transmission (or allocation) region can be determined according to SRS and PUCCH symbols to be FDM, s lot, mini-s lot, and black to subframe.
• the position of the PUCCH hopping pattern may be determined according to n puca / l.
• the PUCCH hopping pattern function F n P is changed by PuccH, It can be transmitted with FDM with SRS.
• a short / long PUCCH Assignable candidates are mapped.
• the Short / long PUCCH resource allocatable area is allocated to the entire UL BW part excluding the SRS resource area applied at this time (for example, represented by K / n SRS1, m SRS2, msRS3, ..., m _ a ⁇ , m SRS a ⁇ a an SRS resource assignment region of the terminal).
• a short / long PUCCH allocation index may be predetermined or this index may be explicitly determined.
• the base station may provide an aperiodic short / long PUCCH allocation candidate index to the UE using DCI or higher layer signaling (eg, RRC signaling) for SRS resource allocation of an aperiodic short / long PUCCH.
• DCI or higher layer signaling eg, RRC signaling
• the PUCCH candidate index may be included in the information on the PUCCH candidate set.
• Table 14 shows information on the PUCCH candidate set including the PUCCH allocation candidate index. Table 14 may be pre-shared between the base station and the terminals and known to each other.
• FIG. 9 is a diagram illustrating application of a PUCCH candidate position index as an embodiment of proposal 3.
• Figure 9 specifically illustrates determining an aperiodic PUCCH allocation location candidate index.
• the candidate can be determined on the basis of k 0 .
• An example of this criterion is that the base station and the terminal It can be determined according to an appointment, or can be explicitly provided to the terminal as an upper layer.
• An example explicitly provided can be expressed as an index or the like on the basis of k 0 .
• Table 15 may be pre-shared between the base station and the terminals and known to each other.
• the PUCCH (allocation) candidate index 0 in Table 15 is transmitted in a cell-specific manner (for example, cell-specific RRC), an area outside the area where each SRS is transmitted, as shown in FIG. 9, It is determined as a candidate, the PUCCH index candidate indexes in each k 0 reference 1,2
• the BS may provide one of the PUCCH candidate sets to the MS for the PUCCH allocation.
• the PUCCH resource allocation in the symbol, slot and mini-slot in which the SRS is set is allocated in units of VPRB (virtual PRB), and the PRS (physical resource) is allocated to a region other than the SRS resource allocation region to which frequency hopping is applied. block. That is, the SRS and the short / long PUCCH on the VPRB are FDM, and the function to be converted into PRB is also FDM on the PRB.
• the VPRB index may be a resource unit that distinguishes resources on the VPRB.
• It may be a function of a slot, a symbol, a mini-slot, a subframe, and / or a radio frame index, and may be expressed as, for example, fpuccH ( VPRB in d ex ' n PuccH.
• f PUCC H VPRB inde X , j
• j is a counter value for PUCCH triggering, or as a predefined function, PUCCH ( VPRB index).
• / ⁇ cc // ( ⁇ " ⁇ ) a ⁇ g ⁇ x
• the PRB mapping function in the PUCCH VPRB can be represented by a function that provides the degree of freedom of the resource allocation region of the PUCCH, and converts a specific symbol into a specific PRB according to a virtual resource index.
• the PRB mapping function causes the frequency hopping pattern of the SRS to be interlocked.
• the PUCCH is designed such that the SRS is mapped to a frequency resource region to which the SRS is not allocated.
• FIG. 10 is a diagram illustrating a method of allocating a PRB after allocation through VRB when multiplexing SRS and PUCCH.
• FIG. 10 illustrates PRB mapping rules in VRPB as an example and illustrates a mapping rule using PUCCH symbol indexes.
• the PUCCH transmission symbol index can be defined by the following equation (2).
• a short / long PUCCH When a short / long PUCCH is allocated to an area to which an SRS is allocated, a short / long PUCCH may be transmitted to a CDM (for example, Cyclic Shift (CS)) SRS resource which is not used.
• CDM Cyclic Shift
• the other CDM code e.g, For example, using a different CS, Mapping, and the remaining CDM codes (e.g., remaining CSs) may be used for PUCCH transmission.
• the number of transmittable ports is limited in the SRS resource for UL CSI acquisition, so the remaining CS can be utilized. In this case, the remaining CSs may be used for PUCCH transmission.
• the BS transmits an indicator (for example, f lag) for CDM application with the short / long PUCCH in the specific SRS resource to the MS through DCI, cell-specific upper layer signaling, or UE-specific upper layer signaling .
• the indicator (e.g., f lag) may include the following information.
• the BS may transmit the PUCCH and the CDM availability f lag when providing information on the target SRS resource.
• the base station can transmit a short PUCCH (ACK / NACK, SR, etc.) transmission indication through the SRS resource indicator (SRI).
• SRI SRS resource indicator
• the UE can transmit the PUCCH with CDM (for example, CS) together with the SRS resource indicated by the corresponding SRI.
• CDM for example, CS
• the base station can indicate the CS value used for PUCCH transmission in the corresponding SRS resource.
• the base station matches the time / frequency region in which the PUCCH is transmitted with the resource region in which the SRS is transmitted, the UE sets the PUCCH in the corresponding SRS resource.
• SRS and short / long PUCCH resource allocation areas are different according to symbol usage priority in TDM between SRS and short / long PUCCH.
• Case 1 When the cyclic short / long PUCCH transmission region is reserved and the non-periodic SRS is allocated over the mulitple symbols, if the resource region is indicated to be over lapped, the UE transmits a short / long PUCCH transmission symbol
• the SRS symbols in the previous or subsequent symbols are transmitted continuously or discontinuously.
• the base station may transmit an offset (fset) value indicating the location of the SRS transmission symbol to the terminal with LKDCI) or L3 (higher layer signaling (e.g., RRC signaling)).
• Case 2 When the periodic short / long PUCCH transmission region is reserved and the periodic short / long PUCCH transmission region is indicated to be over lapped with the SRS resource region, SRS (short / long PUCCH) Is a priority, the UE transmits the SRS in the corresponding symbols and the short / long PUCCH transmits in the symbol (s) before or after the SRS transmitted symbols.
• the short / long PUCCH indicates an offset value indicating the location of the PUCCH transmission symbol associated with the SRS transmission, in order to indicate the symbol (s) before or after the SRS transmitted symbols, such as LKDCI) or L3 (upper layer signaling For example, RRC signaling).
• Case 3 When the periodic SRS transmission region is reserved and the aperiodic short / long PUCCH is allocated to the SRS transmission region, the UE transmits SRS symbols in the previous or subsequent symbols of the short / long PUCCH transmission symbol. In order to indicate the previous or subsequent symbols of the short / long PUCCH transmission symbol, the base station transmits the value of of fsset indicating the location of the SRS transmission symbol to the terminal (LI (DCI) or L3 (higher layer signaling Lt; / RTI >
• Case 4 When the periodic SRS transmission region is reserved and the aperiodic short / long PUCCH is allocated to the SRS transmission region, the UE can transmit the short / long PUCCH from the previous or subsequent symbol (s) of the SRS transmission symbol .
• the base station sets the fset value of the Short / long PUCCH transmission symbol to LKDCI) or L3 (upper layer signaling (e.g., RRC signaling) To the terminal.
• the BS sets different TCs and TC of fsets for each SRS and short / long PUCCH, so that the UE transmits SRS and short / long PUCCH FDM can be performed in units of resource elements (RE).
• RE resource elements
• the aperiodic short / long PUCCH, and the SRS are allocated (or set) in the same slot, by reserving the periodic short / long PUCCH region
• An aperiodic short / long PUCCH may be assigned to the previous symbol of the symbol to which the cyclic short / long PUCCH is transmitted.
• the SRS is allocated to the symbol to which the aperiodic short / long PUCCH is transmitted (black is set)
• the SRS transmission can overlap with the aperiodic short / long PUCCH transmission. In this case, it can be set as follows (1), (2) and (3).
• TDM / FDM SRS is reserved for that symbol and the aperiodic short / long PUCCH location can be implicitly set to TDM or FDM.
• the aperiodic short / long PUCCH positions may be allocated to the previous symbol of the periodic short / long PUCCH to be close to the periodic short / long PUCCH, and the SRS may be allocated to the preceding symbols of the aperiodic short / long PUCCH TDM).
• short / long PUCCH and SRS can be transmitted by FDM if it is possible to secure transmission power capable of simultaneous transmission of short / long PUCCH and SRS in a cel l-centered terminal.
• the BS can know how much the PL loss appears through the path loss (PL) estimation of the uplink channel. If the lowest possible power level is 7, the reception level is greater than ⁇ when transmitting aperiodic short / long PUCCH, the reception level is also higher than 77 when SRS is transmitted, and aperiodic short ong PUCCH and SRS are 1 / 2, when the reception level of the aperiodic short / long PUCCH transmitted at 1/2 power is also larger than /; and when the reception level is also greater than?
• Periodic short / long PUCCH and SRS can be FDM.
• the position to be FDM can be implicitly preset.
• the aperiodic short / long PUCCH is transmitted in the next slot of the slot to which the SRS was transmitted, and the aperiodic short / long PUCCH position can be implicitly set to the next slot of the slot to which the SRS was transmitted .
• Periodic SRS can be allocated to a time / frequency region other than the short / long PUCCH transmission region in the case of overlapped periods of aperiodic short / long PUCCH transmission and periodic SRS transmission.
• FIG. 11 is a diagram showing an example (Implicit allocation) of a periodic PUCCH, a TDM between an aperiodic PUCCH and a periodic SRS.
• the aperiodic PUCCH resource allocation symbol is a 13th symbol in a slot and the SRS transmission region is a symbol from a 9th symbol to 13th in consideration of an aperiodic PUCCH region (14th symbol)
• an aperiodic PUCCH transmission and a periodic SRS The transmission can be stacked.
• the periodic SRS position can be set to the mapping black from 8th to 12th.
• the resource allocation location pattern message for multiplexing between the aperiodic short / long PUCCH and the periodic / aperiodic SRS may be set to an upper layer (eg, RRC) signaling). Information on layering priority may be included in the upper layer signaling.
• Table 16 is a table illustrating resource allocation location patterns for multiplexing between aperiodic short / long PUCCH and periodic / aperiodic SRS.
• the BS can transmit an Aperiodic PUCCH resource allocation position pattern index to the MS through an upper layer (L3), MAC-CE, or DCI.
• L3 upper layer
• MAC-CE MAC-CE
• DCI DCI
• Proposal 10 (Proposal 10)
• the UE When a specific event (for example, col list) is generated in the event triggering format, the UE changes the existing resource allocation area according to the event and the aperiodic short / long PUCCH resource allocation rule, Lt; / RTI > Table 17 is a table illustrating PUCCH resource allocation location rules according to Event + aperiodic PUCCH resource allocation location pattern index.
• a specific event for example, col list
• the UE changes the existing resource allocation area according to the event and the aperiodic short / long PUCCH resource allocation rule, Lt; / RTI >
• Table 17 is a table illustrating PUCCH resource allocation location rules according to Event + aperiodic PUCCH resource allocation location pattern index.
• Periodic PUCCH Transmit Symbol Previous Symbol Periodic PUCCH, Periodic 0
• the aperiodic PUCCH is divided into SRS,
• the base station decodes the uplink resource through the multiplexing pattern and the event triggering hypothesis (Hypothesis s) in the corresponding slot. Since the base station knows whether to transmit periodic / aperiodic PUCCHs and periodic / aperiodic SRSs allocated to specific uplink slots, and provides information on resource allocation priorities, the base station can flexibly perform uplink slot / lexible. For example, suppose a K s lot is assigned a periodic PUCCH, an aperiodic PUCCH, and a periodic SRS.
• the base station since the base station knows that it transmits the aperiodic PUCCH resource allocation position pattern index 2, it is understood that the base station allocates the SRS symbols after the aperiodic PUCCH symbol and the periodic PUCCH is allocated to the next symbol. As shown in FIG.
• the priority rule for each uplink channel and the SRS transmission is as follows.
• FIG. 12 is a diagram illustrating transmission when SRS and PUCCH for reception beam sweep overlap.
• the SRS for uplink beam management is allocated from the 10th (ie, symbol index 10) to the 13th symbol, and the PUCCH is allocated to the 13th symbol.
• the terminal transmits the PUCCH on the 13th symbol without transmitting the SRS allocated to the 13th symbol. That is, the UE transmits SRS only in the 10th to 12th symbols.
• the UE does not transmit the PUCCH.
• the PUCCH format includes important information such as ACK / NACK and SR (for example, LTE reference PUCCH format 0, 1, etc.)
• the UE transmits a superposition symbol ) Sends a PUCCH and does not send SRS (or SRS transmission drop).
• the terminal may not transmit the SRS to transmit across the mul t i-symbol. For example, the UE may not transmit the SRS allocated from 10th to 13th symbols on all the symbols from 10th to 13th symbols.
• the terminal does not transmit the PUCCH.
• a long PUCCH for example, a PUCCH allocated to a plurality of symbols
• the UE does not transmit the PUCCH when the resource allocation region partially or entirely overlaps.
• the PUCCH format includes important information such as ACK / NACK and SR (for example, LTE reference PUCCH format 0, 1, etc.)
• the UE transmits PUCCH from the overlapping symbols and SRS Do not transmit.
• the terminal does not transmit the SRS to transmit across the mul t i-symbol.
• FIG. 13 is a diagram illustrating a case where PUCCH and SRS for two symbol repetition transmission are partially overlapped.
• the UE transmits the SRS from the symbols corresponding to the indexes 9 to 12 And the PUCCH is transmitted in the symbol corresponding to the index 13.
• the terminal does not transmit the PUCCH in the symbol corresponding to the index 12 (superposition symbol of SRS and PUCCH).
• Table 18 summarizes the resource allocation priority rules according to the SRS usage type and the PUCCH setting.
• SRS and PUCCH are not transmitted for the purpose of obtaining channel status information
• PUCCH especially long PUCCH
• SRS is not transmitted in the overlapped symbol, or SRUC is not transmitted across PUCCH mul t i-symbol including SR / PUCCH transmission
• the resource allocation priority rule is determined according to the SRS / PUCCH transmission setting.
• the chopping order determines that the aperiodic PUCCH is higher. That is,
• the cyclic SRS that overlaps with the symbol to which the PUCCH is allocated is not transmitted.
• candidate beam information mapped to the SRS symbol may be mapped in the next SRS setting.
• the SRS for sounding is not transmitted to the overlapped symbol, or may be allocated to corresponding SRS resources in the next SRS setting. If simultaneous transmission of aperiodic PUCCH and periodic SRS is possible below the UL transmit power limit (considering PAPR / CM)
• Periodic SRS may be FDM with frequency resources outside the aperiodic PUCCH resource region. At this time, the FDM rule can be defined in advance.
• the UE may transmit periodic SRS but not aperiodic PUCCH in the overlapping symbols.
• the priority is higher in the periodic SRS.
• a format in which the payload is larger than a predetermined size among the periodic PUCCHs may be general-related information.
• the PUCCH that is transmitted to transmit information such as CQI, PMI, RI, PQI, and CRI may be formatted according to the payload, piggybacked with the upper link control information (UCI) of the PUSCH, )) Transmission, it can be set lower than the priority of the periodic SRS. If the PUCCH transmission with a payload larger than a predetermined size has a PUCCH transmission overlapping the periodic SRS transmission, the terminal may not transmit (on the superimposed symbol) the PUCCH, or may transmit in the next PUCCH setup.
• the cyclic PUCCH has a high priority in terms of transmission in the case of a periodic SRS symbol and a PUCCH format in which a predetermined size of a periodic PUCCH in which the SRS and a resource region overlap with each other has a smaller payload.
• the information of the PUCCH with a smaller payload than the predetermined size may basically contain important information (e.g., ACK / NACK, SR).
• the UE transmits the periodic PUCCH and does not transmit the periodic SRS.
• the UE may transmit the periodic SRS in the previous symbol of the periodic PUCCH or may transmit the periodic SRS in the specific symbol.
• L3 symbol index or an offset value L3
• Ll DCI
• MAOCE L2
• the aperiodic PUCCH is determined to have a high priority in view of transmission.
• the aperiodic PUCCH information does not contain significant information such as ACK / NACK, SR, then the Semi-Per-station SRS will have a higher priority in terms of transmission and the UE will not transmit an aperiodic PUCCH.
• the periodic PUCCH is a PUCCH format having a payload larger than a predetermined size
• the semi- persistent SRS is higher in terms of transmission Are determined in priority order.
• the UE transmits the semi-persistent SRS in the overlapping resource region and does not transmit the PUCCH format periodic PUCCH having a payload larger than a predetermined size. If the periodic PUCCH is a PUCCH format with a payload smaller than a predetermined size, the periodic PUCCH is determined to have a higher priority in terms of transmission. In this case, the mobile station transmits a PUCCH format having a payload smaller than a predetermined size in the overlapping resource region and does not transmit the semi-persistent SRS.
• the aperiodic SRS is assigned with a higher priority.
• the periodic PUCCH includes significant information such as ACK / NACK and / or SR
• the UE transmits the periodic PUCCH in the overlapped resource region and does not transmit the aperiodic SRS.
• the periodic PUCCH may be FDM with frequency resources outside the resource region of the aperiodic SRS.
• the FDM rules can be predefined.
• the aperiodic PUCCH is allocated with a higher priority.
• the UE transmits an aperiodic PUCCH in the piled up resource region and does not transmit the aperiodic SRS.
• the UE transmits an aperiodic SRS in the overlapped resource region and does not transmit the aperiodic PUCCH.
• the terminal transmits the aperiodic PUCCH in the overlapped symbol and does not transmit the aperiodic SRS.
• Table 19 summarizes the resource allocation priority rules according to the SRS / PUCCH transmission setting.
• Non-periodic SRS / periodic PUCCH Non-periodic SRS transmission
• Non-periodic SRS / periodic PUCCH (if ACK / NACK and / or non-periodic SRS do not transmit / does not include periodic PUCCH SR)
• Non-periodic SRS / Non-periodic PUCCH Non-periodic PUCCH transmission / Non-periodic SRS transmission
• resource allocation priority rules can be determined according to SRS / PUCCH transmission information.
• Short / long PUCCH When a Short / long PUCCH is used for a request related to beam failure (for example, a beam failure recovery request) and overlaps with an aperiodic / semi-persistent SRS, Long PUCCH used for requests related to beam failure (e.g., beam failure recovery requests), and does not transmit aperiodic / periodic / semi-persistent SRS.
• the PUCCH that transmits for a request related to beam failure is always set to have a higher resource allocation priority than an aperiodic / semi-persistent SRS.
• a request related to beam failure e.g., beam failure
• the terminal does not transmit the SRS itself.
• the PUCCH and aperiodic / periodic / semi-persistant SRS that send for a beam failure related request can not be FDM, and the terminal does not transmit SRS.
• SRS frequency hopping is performed as a technique for performing multiplexing in resource allocation between SRS and PUCCH in NR.
• SRS frequency hopping since the SRS may be overlapped with the PUCCH to be FDM, the allocated PUCCH needs to perform FDM or TDM considering the symbol level or slot level hopping operation of SRS in order to avoid this.
• the SRS and the PUCCH transmission are overlapped or collided, either the SRS or the PUCCH may be transmitted according to the predefined resource allocation priority rule.

Landscapes

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

Priority Applications (2)

Applications Claiming Priority (7)

Publications (2)

Family

ID=65039808

Family Applications (1)

Country Status (4)

Cited By (7)

Families Citing this family (21)

Citations (4)

Family Cites Families (4)

• 2018
  • 2018-07-27 WO PCT/KR2018/008543 patent/WO2019022561A1/ko not_active Ceased
  • 2018-07-27 KR KR1020180088011A patent/KR102277263B1/ko active Active
  • 2018-07-27 JP JP2020503959A patent/JP7174749B2/ja active Active
  • 2018-07-27 US US16/629,873 patent/US20200163079A1/en not_active Abandoned
• 2019
  • 2019-11-18 KR KR1020190147934A patent/KR102127399B1/ko active Active

Patent Citations (4)

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events