WO2019013540A1 - 차세대 무선망에서 전송 블록을 전송하는 방법 및 그 장치 - Google Patents
차세대 무선망에서 전송 블록을 전송하는 방법 및 그 장치 Download PDFInfo
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- WO2019013540A1 WO2019013540A1 PCT/KR2018/007837 KR2018007837W WO2019013540A1 WO 2019013540 A1 WO2019013540 A1 WO 2019013540A1 KR 2018007837 W KR2018007837 W KR 2018007837W WO 2019013540 A1 WO2019013540 A1 WO 2019013540A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
Definitions
- the present embodiments are directed to a specific method for transmitting a transmission block (TB) on a preemption basis for providing a URLLC service of a next generation / radio access network (hereinafter, also referred to as NR).
- TB transmission block
- NR next generation / radio access network
- RAN WG1 provides frame structure, channel coding and modulation for NR (New Radio) , Waveforms and multiple access methods.
- NR is required not only to improve data transmission rate in comparison with LTE / LTE-Advanced, but also to design various requirements that are required according to detailed and specific usage scenarios.
- LTE / LTE-Advanced has been proposed as a representative use scenario of NR.
- enhancement Mobile BroadBand (MMB) massive Machine Type Communication (MMTC)
- MMTC massive Machine Type Communication
- Ultra Reliable and Low Latency Communications A flexible frame structure design is required.
- the resource in order to satisfy the low latency characteristic, when the necessity of data transmission occurs, the resource is not scheduled in advance, but instead, a preemption point preemption based transmission method is considered.
- a method of receiving a transmission block from a terminal or transmitting a transmission block to a terminal comprising: constructing a transmission candidate region; And receiving the transmission block from the terminal through the transmission candidate region or transmitting the transmission block to the terminal.
- a method of transmitting a transmission block to a base station or a transmission block from a base station comprising: receiving information indicating a transmission candidate region from a base station; Or receiving a transport block from a base station.
- a base station for receiving a transmission block from a terminal or transmitting a transmission block to a terminal, the base station comprising: a controller configuring a transmission candidate region; A transmitter for transmitting a transmission block to a terminal, and a receiver for receiving a transmission block from a terminal through a transmission candidate region in an uplink transmission.
- a terminal for transmitting a transmission block to a base station or receiving a transmission block from a base station, the base station comprising: a receiver for receiving information indicating a transmission candidate region from a base station, And a transmitter for transmitting a transmission block to a base station through a transmission candidate region in an uplink transmission.
- the complexity of the search can be reduced and the size of the available data channel can be increased as compared with the conventional method in which the receiving end recognizes data transmitted to itself based on all the scheduling information included in the transport block.
- FIG. 1 is a diagram illustrating an example of transmitting a URLLC transport block on a preemption basis in the present embodiment.
- FIG. 2 is a diagram illustrating a procedure in which a base station receives a transmission block from a terminal or transmits a transmission block to the terminal in this embodiment.
- FIG. 3 is a diagram illustrating a procedure in which a mobile station transmits a transmission block to a base station or a transmission block from a base station in this embodiment.
- FIG. 4 is a diagram illustrating a configuration of a base station according to the present embodiments.
- FIG. 5 is a diagram illustrating a configuration of a user terminal according to the present embodiments.
- a wireless communication system refers to a system for providing various communication services such as voice, packet data, and the like.
- a wireless communication system includes a user equipment (UE) and a base station (BS).
- UE user equipment
- BS base station
- the user terminal is a comprehensive concept that means a terminal in a wireless communication, and it is a comprehensive concept which means a mobile station (MS) in GSM, a mobile station (MS) in UT (User Terminal), a Subscriber Station (SS), a wireless device, and the like.
- MS mobile station
- MS mobile station
- UT User Terminal
- SS Subscriber Station
- a base station or a cell generally refers to a station that communicates with a user terminal and includes a Node-B, an evolved Node-B, a gNode-B, a Low Power Node A sector, a site, various types of antennas, a base transceiver system (BTS), an access point, a point (for example, a transmission point, a reception point, a transmission / reception point) (RRH), a radio unit (RU), and a small cell, as well as a relay cell, a relay node, a megacell, a macrocell, a microcell, a picocell, a femtocell, an RRH,
- BTS base transceiver system
- RRH transmission point
- RU radio unit
- the base station can be interpreted into two meanings. Macro cell, micro cell, picocell, femtocell, small cell, or 2) the wireless region itself in connection with the wireless region. 1), all of the devices that interact to configure the wireless area to be cooperatively controlled by the same entity are all pointed to the base station. A point, a transmission / reception point, a transmission point, a reception point, and the like are examples of the base station according to the configuration method of the radio area. 2 may direct the base station to the wireless region itself to receive or transmit signals at the point of view of the user terminal or in the vicinity of the neighboring base station.
- a cell refers to a component carrier having a coverage of a signal transmitted from a transmission point or a transmission point or a transmission point or a transmission / reception point of a signal transmitted from a transmission / reception point, and a transmission / reception point itself .
- the user terminal and the base station are used in a broad sense as two (uplink or downlink) transmitting and receiving subjects used to implement the technology or technical idea described in the present invention, and are not limited by a specific term or word Do not.
- an uplink means a method of transmitting / receiving data to / from a base station by a user terminal, and a downlink (DL or downlink) .
- the time division duplex (TDD) scheme which is transmitted using different time periods, can be used for the uplink and downlink transmission, and a frequency division duplex (FDD) scheme in which different frequencies are used, a TDD scheme and an FDD scheme A hybrid method can be used.
- TDD time division duplex
- FDD frequency division duplex
- the uplink and the downlink are configured with reference to one carrier or carrier pair to form a standard.
- the uplink and the downlink transmit control information through a control channel such as a physical downlink control channel (PDCCH), a physical uplink control channel (PUCCH), and the like.
- a control channel such as a physical downlink control channel (PDCCH), a physical uplink control channel (PUCCH), and the like.
- the physical downlink shared channel (PDSCH), the physical uplink shared channel (PUSCH) It is composed of the same data channel and transmits data.
- a downlink may refer to a communication or communication path from a multipoint transmission / reception point to a terminal
- an uplink may refer to a communication or communication path from a terminal to a multiple transmission / reception point.
- the transmitter may be a part of the multiple transmission / reception points, and the receiver may be a part of the terminal.
- the transmitter in the uplink, the transmitter may be a part of the terminal, and the receiver may be a part of multiple transmission / reception points.
- a situation in which a signal is transmitted / received through a channel such as PUCCH, PUSCH, PDCCH, and PDSCH is expressed as 'PUCCH, PUSCH, PDCCH and PDSCH are transmitted and received'.
- the High Layer Signaling described below includes RRC signaling for transmitting RRC information including RRC parameters.
- the base station performs downlink transmission to the UEs.
- the base station includes downlink control information such as scheduling required for reception of a downlink data channel, which is a main physical channel for unicast transmission, and physical downlink control information for transmitting scheduling grant information for transmission in an uplink data channel.
- a control channel can be transmitted.
- the transmission / reception of a signal through each channel will be described in a form in which the corresponding channel is transmitted / received.
- TDMA Frequency Division Multiple Access
- CDMA Code Division Multiple Access
- OFDMA Orthogonal Frequency Division Multiple Access
- NOMA Non-Orthogonal Multiple Access
- SCMA Sparse Code Multiple Access
- LDS Low Density Spreading
- One embodiment of the present invention relates to asynchronous wireless communications that evolve into LTE / LTE-Advanced, IMT-2020 over GSM, WCDMA, HSPA, and synchronous wireless communications such as CDMA, CDMA- Can be applied.
- a MTC (Machine Type Communication) terminal may mean a terminal supporting low cost (or low complexity) or a terminal supporting coverage enhancement.
- the MTC terminal may refer to a terminal defined in a specific category for supporting low cost (or low complexity) and / or coverage enhancement.
- the MTC terminal in this specification may mean a newly defined 3GPP Release-13 low cost (or low complexity) UE category / type for performing LTE-based MTC-related operations.
- the MTC terminal supports the enhanced coverage over the existing LTE coverage, or the UE category / type defined in the existing 3GPP Release-12 or lower that supports the low power consumption, or the newly defined Release-13 low cost low complexity UE category / type. Or a further Enhanced MTC terminal defined in Release-14.
- NarrowBand Internet of Things (NB-IoT) terminal means a terminal supporting wireless access for cellular IoT.
- the objectives of NB-IoT technology include improved indoor coverage, support for large-scale low-rate terminals, low latency sensitivity, ultra-low cost, low power consumption, and optimized network architecture.
- Enhanced Mobile Broadband eMBB
- massive Machine Type Communication mMTC
- Ultra Reliable and Low Latency Communication URLLC
- a frequency, a frame, a subframe, a resource, a resource block, a region, a band, a subband, a control channel, a data channel, a synchronization signal, various reference signals, various signals May be interpreted as past or presently used meanings or various meanings used in the future.
- 3GPP recently approved a study item "Study on New Radio Access Technology" for studying next generation / 5G radio access technology. Based on this, 3GPP has developed frame structure, channel coding and modulation, waveform, The discussion on frame structure, channel coding & modulation, waveform & multiple access scheme, etc. has begun.
- NR is required to be designed to satisfy not only the improved data transmission rate as compared to LTE / LTE-Advanced, but also various requirements that are required according to granular and specific usage scenarios.
- enhancement Mobile BroadBand (eMBB) massive MTC (MMTC) and Ultra Reliable and Low Latency Communications (URLLC) have been proposed as typical usage scenarios of NR, and requirements for each usage scenario have been proposed. It is required to design a flexible frame structure as compared with LTE / LTE-Advanced.
- eMBB, mMTC, and URLLC are considered as typical usage scenarios of NR that are being discussed in 3GPP. Since each usage scenario has different requirements for data rates, latency, coverage, etc., it is possible to use each frequency band constituting any NR system
- a radio resource unit based on different numerology e.g., subcarrier spacing, subframe, TTI, etc.
- numerology e.g., subcarrier spacing, subframe, TTI, etc.
- a numerator with different subcarrier spacing (SCS) values is multiplexed on a TDM, FDM or TDM / FDM basis via one NR carrier to support
- SCS subcarrier spacing
- the subframe of NR is an absolute reference duration, which is the time unit on which the actual uplink / downlink data scheduling is based as a slot and a mini-slot ) Can be defined.
- an arbitrary slot may be composed of 14 symbols, and all symbols may be used for DL transmission according to a transmission direction of the slot, or all symbols may be used for uplink transmission UL transmission, or in the form of a DL portion + a gap + an UL portion.
- a minislot consisting of fewer symbols than a corresponding slot is defined in an arbitrary numerology (or SCS), and based on this, a time-domain scheduling interval having a short length for transmitting / receiving data for uplink / scheduling interval may be set or a long-time time-domain scheduling interval for uplink / downlink data transmission / reception through slot aggregation may be configured.
- SCS numerology
- multiplexers supporting different SCS values in one NR carrier are multiplexed and supported by the TDM scheme or the FDM scheme, so that the number of slots (or mini- Scheduling of data in accordance with latency requirements is also considered.
- the SCS is 60 kHz
- the symbol length is reduced to about 1/4 of that of the SCS 15 kHz
- the slot length based on the 15 kHz is 0.5 ms
- the slot length based on 60 kHz is reduced to about 0.125 ms.
- NR is discussing how to satisfy the requirements of URLLC and eMBB by defining different SCSs or different TTI lengths.
- an eMBB in which an existing wireless service is extended
- a mMTC in multi-connectivity
- a URLLC that satisfies extremely low delay / high reliability have.
- the pre-emption indication for instructing the corresponding user to change the information can be performed.
- the transmitting terminal may transmit a new signal in a region where blind detection is to be performed at the receiving end based on time units subdivided into mini-slots, A control message including information of an area including embedded data can be inserted.
- the transmitting end may be a specific base station or a terminal
- the receiving end may be a base station or a terminal different from the transmitting end.
- the base station becomes the transmitting end and the terminal can be the receiving end.
- the terminal in the uplink transmission, the terminal may be the transmitting end and the base station may be the receiving end.
- blind detection is continuously performed on the area to perform the blind detection to determine whether the information is transmitted to the user, and the user can successfully receive the blind detection.
- the scheduling unit becomes smaller in NR's mini-slot based scheduling.
- the starting point may be 7 to 14 times more than the slot-based scheduling. Therefore, the number of locations that need to be searched for the same unit time can also be increased.
- transmitting terminal data instructing to advance the candidate region in order to the receiving end for receiving can be sent data to a receiving end and (2) data transmission terminal is transferred to the actual receiver is And transmitting the data so that the receiving end can identify the transmission data to be transmitted to the receiving end .
- the communication data to be transmitted is standardized into a frame, which can be divided into two time units, i.e., a slot and a mini-slot.
- a relatively large unit is defined as a slot.
- a slot may be composed of 7 or 14 symbols (eg, OFDM symbol) according to intervals of subcarriers, and a minislot may be formed by one or two symbols Lt; / RTI >
- the slot and minislot length to which this embodiment is applied is not limited.
- a receiving end using the URLLC service can perform data transmission in the minislot unit.
- data scheduling and transmission in a slot unit may be performed in place of scheduling in units of minislots in the same frame, and data scheduling and transmission in a corresponding slot unit may be performed by data scheduling and transmission have.
- Method (1) The transmitting end Receiving data The receiving end A candidate region in which data can be transmitted At the receiving end How to dictate in advance
- the method limits the search range to be searched by limiting the area where data transmission can be performed, thereby reducing the overall search complexity.
- the candidate regions to which data may be transmitted may or may not overlap between different receiving ends. Whether or not the candidate regions to which data can be transmitted between different receiving ends overlap may be determined according to the implementation of the transmitting end, or may be defined separately in the NR standard.
- a method of pre-indicating an area where data transmission can be performed may be performed through upper layer signaling (e.g., RRC signaling) or DCI.
- RRC signaling e.g., RRC signaling
- DCI DCI
- the above-described data can be transmitted in the form of a transport block.
- the method is a method of transmitting information such as frequency information of a transmission band capable of data transmission to a target receiver or granularity of a mini-slot through RRC signaling or DCI.
- the above-described frequency information may be specified in units of physical resource blocks (PRBs), and priority may be given according to frequency positions.
- PRBs physical resource blocks
- This priority is used to specify a location for transmitting a transport block in an environment in which the size of the transport block must be varied according to the amount of data transmitted at a specific point in time.
- the terminal can reduce the range in which data is first searched.
- the method is a method of instructing the target receiving end through the DCI in advance of the DMRS sequence information, MCS information, antenna, and transmission mode information corresponding to the actual transmission block.
- Method (2) The transmitting end real To the receiving end
- the data to be transferred is The receiving end How to send it so that it can be distinguished from the transmission data coming to itself
- the transmitting end uses the pre-emption-based transmission described above to transmit the area previously scheduled for another receiving end to the corresponding receiving end It is possible to carry out the data transmission arbitrarily.
- the method is a method of inserting a UE-specific specific reference signal at a predetermined position in a data transmission area and positioning data in the remaining area.
- the receiving end detects the presence or absence of the reference signal, and can determine whether there is data to be transmitted to the receiving end in the corresponding data transmission area.
- the reference signal used at this time may be defined as a new reference signal for the corresponding operation, or the existing reference signal such as the DMRS may be reused. Also, a new reference signal and a previously used reference signal can be used at the same time.
- the reference signal may be unique for each receiving terminal, but it may further include variation information for each reference signal.
- the receiver can detect such variation information and obtain additional information necessary for reception.
- This method is a method of inserting a newly defined control message into the transmission area for the data transmission area.
- the format and position information of the control message can be included in the advance instruction information described in method (1), for example.
- the format and position information of the control message may be included in the information for transmitting the reference signal.
- the receiving end can detect the format and position information of the control message by blind detection.
- the control message may be designed to include a minimum amount of information having a large degree of change with time in order to reduce the complexity.
- a method of selectively including one or more of MCS information, antenna and transmission mode information, and uplink scheduling information in the case of downlink is provided.
- Other information required for control such as downlink scheduling information may be transmitted to the receiving end via the pre-indicating method described in method (1).
- the above-described method (2) can be equally applied not only in the downlink but also in the uplink situation. That is, the above-described method can be applied not only to a case where a base station transmits a transmission block to a terminal but also when a terminal transmits a transmission block to a base station.
- the method (2) can distinguish the receiving terminal from the transmission data transmitted by the receiving terminal.
- the subject managing the pre-indicating message may be the receiving terminal, that is, the base station.
- FIG. 1 illustrates an example of a method for determining a transmission area through method (2) in an environment in which method (1) is applied.
- Figure 1 illustrates one embodiment, and it is to be understood that this does not limit the method provided in this embodiment.
- candidate regions 1, 2, and 3 there are candidate regions 1, 2, and 3 to which URLLC data can be transmitted.
- the candidate regions 1, 2, and 3 may be displayed in the frequency domain (PRB unit).
- URLLC data can be transmitted through candidate region 1.
- the unit of data to be transmitted is a mini-slot
- the transmitted data includes a UE-specific reference signal or control channel information, an existing reference signal (e.g., DMRS), and URLLC data can do.
- DMRS existing reference signal
- the symbols through which the URLLC data is transmitted on the mini-slot and the symbols through which the remaining information are transmitted may be different from each other.
- URLLC data can be transmitted through candidate regions 1, 2, and 3.
- the unit and type of data to be transmitted, the symbol through which the URLLC data is transmitted, and the symbol through which the remaining information is transmitted are the same as those in Slot # 1.
- URLLC data can be transmitted through candidate areas 1 and 2.
- the unit and type of data to be transmitted, the symbol through which the URLLC data is transmitted, and the characteristics of the symbols through which the remaining information is transmitted are the same as in the case of Slot # 1 and Slot # 2.
- FIG. 2 is a diagram illustrating a procedure in which a base station receives a transmission block from a terminal or transmits a transmission block to the terminal in this embodiment.
- a base station can configure a transmission candidate region for receiving URLLC data without a pre-scheduling operation (S200).
- the unit constituting the transmission candidate region on the time axis may be a mini-slot composed of one or two symbols. That is, in order to transmit the URLLC data with a low latency, the transmission candidate region may be configured with a time unit smaller than that of the existing LTE slot.
- the transmission candidate region on the frequency axis may be configured in units of a physical resource block (PRB).
- PRB physical resource block
- the base station may transmit information indicating the transmission candidate region configured in step S200 to the terminal (S210).
- the information indicating the transmission candidate region may be UE-specific / cell-specific / UE-group specific higher layer signaling (e.g., RRC signaling ) Or DCI. ≪ / RTI >
- the terminal After receiving the information indicating the transmission candidate region from the base station, the terminal can determine whether to monitor data transmitted through the corresponding preemption candidate region.
- the base station can receive the transmission block from the terminal or transmit the transmission block to the terminal through the transmission candidate region (S220).
- the transport block received from the terminal or transmitted to the terminal may include URLLC data, and may further include data for identifying a destination to which the transport block is transmitted.
- a transmission block received from or transmitted to a terminal through a transmission candidate region may include a reference signal RS specific to the terminal.
- the reference signal may be a DMRS or a newly defined reference signal.
- a transmission block received from or transmitted to the terminal through the transmission candidate region may include a control message specific to the terminal.
- FIG. 3 is a diagram illustrating a procedure in which a mobile station transmits a transmission block to a base station in this embodiment.
- a terminal can receive information indicating a transmission candidate region from a base station (S300).
- the unit constituting the transmission candidate region on the time axis may be a mini-slot composed of one or two symbols. That is, in order to transmit the URLLC data with a low latency, the transmission candidate region may be configured with a time unit smaller than that of the existing LTE slot.
- the transmission candidate region on the frequency axis may be configured in units of a physical resource block (PRB).
- PRB physical resource block
- the information indicating the transmission candidate region may be UE-specific / cell-specific / UE-group specific higher layer signaling (e.g., RRC signaling ) Or from the base station via DCI.
- RRC signaling e.g., RRC signaling
- the terminal After receiving information indicating a transmission candidate region from a base station, the terminal can determine whether to monitor data transmitted through the transmission candidate region.
- the mobile station may transmit the transmission block to the base station through the transmission candidate region received in step S300 or may receive the transmission block from the base station.
- the transmission block transmitted to the base station or received from the base station may include URLLC data, and may further include data for identifying the transmission destination of the transmission block.
- the transmission block transmitted to or received from the base station through the transmission candidate region may include a reference signal RS specific to the terminal.
- the reference signal may be a DMRS or a newly defined reference signal.
- the transport block transmitted to or received from the base station through the transport candidate region may include a control message specific to the terminal.
- FIG. 4 is a diagram illustrating a configuration of a base station according to the present embodiments.
- the base station 400 includes a controller 410, a transmitter 420, and a receiver 430.
- the control unit 410 may configure a transmission candidate region for transmitting URLLC data without a pre-scheduling operation.
- the unit constituting the transmission candidate region on the time axis may be a mini-slot composed of one or two symbols. That is, in order to transmit the URLLC data with a low latency, the transmission candidate region may be configured with a time unit smaller than that of the existing LTE slot.
- the transmission candidate region on the frequency axis may be configured in units of a physical resource block (PRB).
- PRB physical resource block
- the transmitting unit 420 and the receiving unit 430 are used to transmit and receive signals, messages, and data necessary for carrying out the present invention to and from the terminal.
- the transmission unit 420 can transmit information indicating the above-described transmission candidate region to the terminal. If the downlink transmission is performed, that is, the base station transmits the transmission block to the terminal, the transmission unit 420 may transmit the transmission block to the terminal through the transmission candidate region described above.
- the receiver 430 can receive the transmission block from the terminal through the transmission candidate region.
- the information indicating the transmission candidate region may be UE-specific / cell-specific / UE-group specific higher layer signaling (e.g., RRC signaling ) Or DCI. ≪ / RTI >
- the terminal After receiving information indicating a transmission candidate region from a base station, the terminal can determine whether to monitor data transmitted through the transmission candidate region.
- the transmission block received from the terminal or transmitted to the terminal may include URLLC data, and may further include data for identifying the transmission destination of the transmission block.
- a transmission block received from or transmitted to a terminal through a transmission candidate region may include a reference signal RS specific to the terminal.
- the reference signal may be a DMRS or a newly defined reference signal.
- a transmission block received from or transmitted to the terminal through the transmission candidate region may include a control message specific to the terminal.
- FIG. 5 is a diagram illustrating a configuration of a user terminal according to the present embodiments.
- the user terminal 500 includes a receiving unit 510, a control unit 520, and a transmitting unit 530.
- the receiving unit 510 receives downlink control information, data, and a message from the base station through the corresponding channel.
- the receiving unit 510 can receive information indicating a transmission candidate region from the base station. If the downlink transmission is performed, that is, the base station transmits the transmission block to the terminal, the receiver 510 can receive the transmission block from the base station through the transmission candidate region described above.
- the transmitter 530 may transmit the transmission block to the base station through the transmission candidate region described above.
- the unit constituting the transmission candidate region on the time axis may be a mini-slot composed of one or two symbols. That is, in order to transmit the URLLC data with a low latency, the transmission candidate region may be configured with a time unit smaller than that of the existing LTE slot.
- the transmission candidate region on the frequency axis may be configured in units of a physical resource block (PRB).
- PRB physical resource block
- the information indicating the transmission candidate region may be UE-specific / cell-specific / UE-group specific higher layer signaling (e.g., RRC signaling ) Or from the base station via DCI.
- RRC signaling e.g., RRC signaling
- the terminal After receiving information indicating a transmission candidate region from a base station, the terminal can determine whether to monitor data transmitted through the transmission candidate region.
- the transmission block transmitted to the base station or received from the base station may include URLLC data, and may further include data for identifying the transmission destination of the transmission block.
- the transmission block transmitted to or received from the base station through the transmission candidate region may include a reference signal RS specific to the terminal.
- the reference signal may be a DMRS or a newly defined reference signal.
- the transport block transmitted to or received from the base station through the transport candidate region may include a control message specific to the terminal.
Abstract
Description
Claims (15)
- 기지국이 단말로부터 전송 블록을 수신하거나 단말로 전송 블록을 전송하는 방법에 있어서,전송 후보 영역을 구성하는 단계;상기 전송 후보 영역을 지시하는 정보를 단말로 전송하는 단계; 및상기 전송 후보 영역을 통해 상기 단말로부터 전송 블록을 수신하거나 상기 단말로 전송블록을 전송하는 단계를 포함하는 것을 특징으로 하는 방법.
- 제 1항에 있어서,상기 전송 후보 영역은 1개 또는 2개의 심볼 단위로 구성되는 것을 특징으로 하는 방법.
- 제 1항에 있어서,상기 전송 블록은,상기 단말에 특정된 참조 신호를 포함하는 것을 특징으로 하는 방법.
- 제 3항에 있어서,상기 참조 신호는 DMRS인 것을 특징으로 하는 방법.
- 제 1항에 있어서,상기 전송 블록은,상기 단말에 특정된 제어 메시지를 포함하는 것을 특징으로 하는 방법.
- 단말이 기지국으로 전송 블록을 전송하거나 기지국으로부터 전송 블록을 수신하는 방법에 있어서,전송 후보 영역을 지시하는 정보를 기지국으로부터 수신하는 단계; 및상기 전송 후보 영역을 통해 상기 기지국으로 전송 블록을 전송하거나 기지국으로부터 전송 블록을 수신하는 단계를 포함하는 것을 특징으로 하는 방법.
- 제 6항에 있어서,상기 전송 후보 영역은 1개 또는 2개의 심볼 단위로 구성되는 것을 특징으로 하는 방법.
- 제 6항에 있어서,상기 전송 블록은,상기 단말에 특정된 참조 신호를 포함하는 것을 특징으로 하는 방법.
- 제 8항에 있어서,상기 참조 신호는 DMRS인 것을 특징으로 하는 방법.
- 제 6항에 있어서,상기 전송 블록은,상기 단말에 특정된 제어 메시지를 포함하는 것을 특징으로 하는 방법.
- 단말로부터 전송 블록을 수신하거나 단말로 전송 블록을 전송하는 기지국에 있어서,전송 후보 영역을 구성하는 제어부;상기 전송 후보 영역을 지시하는 정보를 단말로 전송하고, 다운링크 전송 시에 상기 단말로 전송 블록을 전송하는 송신부; 및업링크 전송 시에 상기 전송 후보 영역을 통해 상기 단말로부터 전송 블록을 수신하는 수신부를 포함하는 것을 특징으로 하는 기지국.
- 제 11항에 있어서,상기 전송 후보 영역은 1개 또는 2개의 심볼 단위로 구성되는 것을 특징으로 하는 기지국.
- 제 11항에 있어서,상기 전송 블록은,상기 단말에 특정된 참조 신호를 포함하는 것을 특징으로 하는 기지국.
- 제 13항에 있어서,상기 참조 신호는 DMRS인 것을 특징으로 하는 기지국.
- 제 11항에 있어서,상기 전송 블록은,상기 단말에 특정된 제어 메시지를 포함하는 것을 특징으로 하는 기지국.
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KR1020180079412A KR20190008113A (ko) | 2017-07-14 | 2018-07-09 | 차세대 무선망에서 전송 블록을 전송하는 방법 및 그 장치 |
KR10-2018-0079412 | 2018-07-09 |
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WO2017059829A2 (en) * | 2016-11-04 | 2017-04-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods, base station and user equipment |
Non-Patent Citations (4)
Title |
---|
INTEL CORPORATION: "Uplink URLLC Transmission Based on Scheduling Request and Grant", RI-1700376, 3GPP TSG RAN WG1 NR AD-HOC MEETING, 10 January 2017 (2017-01-10), Spokane, USA, XP051202854 * |
LENOVO: "On eMBB/URLLC multiplexing for uplink transmission", RI-1710606, 3GPP TSG RAN WG1 NR AD-HOC #2, 16 June 2017 (2017-06-16), Qingdao, P.R. China, XP051304309 * |
SAMSUNG: "Performance of preemption based multiplexing for eMBB and URLLC", RI-1705412, 3GPP TSG RAN WG1 MEETING #88BIS, 24 March 2017 (2017-03-24), Spokane, USA, XP051250690 * |
ZTE: "About pre-emption indication", RI-1710123, 3GPP TSG RAN WG1 NR AD-HOC #2, 17 June 2017 (2017-06-17), Qingdao, CHINA, XP051304845 * |
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