WO2019220551A1 - ユーザ装置及び基地局装置 - Google Patents
ユーザ装置及び基地局装置 Download PDFInfo
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- WO2019220551A1 WO2019220551A1 PCT/JP2018/018825 JP2018018825W WO2019220551A1 WO 2019220551 A1 WO2019220551 A1 WO 2019220551A1 JP 2018018825 W JP2018018825 W JP 2018018825W WO 2019220551 A1 WO2019220551 A1 WO 2019220551A1
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- search space
- user apparatus
- base station
- random access
- pdcch
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- 238000004891 communication Methods 0.000 claims abstract description 31
- 238000012544 monitoring process Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims description 58
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- 238000010586 diagram Methods 0.000 description 10
- 238000012545 processing Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 230000011664 signaling Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 230000001960 triggered effect Effects 0.000 description 4
- 230000007774 longterm Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
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- 230000003287 optical effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
-
- 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
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- 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
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the present invention relates to a user apparatus and a base station apparatus in a wireless communication system.
- 5G or NR New Radio
- 5G or NR New Radio
- 5G various wireless technologies are being studied in order to satisfy the requirement to achieve a delay of 1 ms or less while achieving a throughput of 10 Gbps or more.
- Non-Patent Document 1 in initial access when a user apparatus and a base station apparatus establish a connection, cell detection and cell identification by a synchronization signal transmitted from the base station apparatus, and acquisition of a part of system information necessary for initial access Is performed by the user device (for example, Non-Patent Document 1).
- Non-Patent Document 2 a wide frequency band from a low frequency band similar to LTE (Long Term Evolution) to a higher frequency band than LTE is used.
- LTE Long Term Evolution
- a plurality of types are defined for a search space which is a set of PDCCH (Physical downlink control ⁇ channel) candidates (Candidates) monitored by the user apparatus.
- PDCCH Physical downlink control ⁇ channel
- the present invention has been made in view of the above points, and it is an object of the user apparatus to specify a search space used in a random access procedure in NR and efficiently perform monitoring.
- a user apparatus that communicates with a base station apparatus, and receives a DL (Downlink) signal included in a search space that is a set of PDCCH (Physical-downlink-control-channel) candidates from the base station apparatus. Based on a receiving unit, a control unit that performs monitoring for obtaining a PDCCH candidate addressed to the user device based on an effective period defined in the search space, and information included in the PDCCH candidate addressed to the user device, There is provided a user apparatus having a communication unit that receives PDSCH (Physical downlink shared channel) or transmits a UL (Uplink) signal to the base station device.
- PDSCH Physical downlink shared channel
- Uplink Uplink
- a user apparatus aims to specify a search space used in a random access procedure in NR and perform monitoring efficiently.
- LTE Long Term Evolution
- LTE-Advanced and LTE-Advanced and subsequent systems eg, NR or 5G.
- SS Synchronization ⁇ Signal
- PSS Primary SS
- SSS Secondary SS
- PBCH Physical broadcast channel
- PRACH Physical
- DL Downlink
- UL Uplink
- the Duplex method may be a TDD (Time Division Division Duplex) method, an FDD (Frequency Division Duplex) method, or other (for example, Flexible Duplex). This method may be used.
- transmitting a signal using a transmission beam may be transmitting a signal multiplied by a precoding vector (precoded with a precoding vector). Similarly, receiving a signal using a receive beam may be multiplying the received signal by a predetermined weight vector. Moreover, transmitting a signal using a transmission beam may be transmitting a signal at a specific antenna port. Similarly, receiving a signal using a receive beam may be receiving a signal at a particular antenna port.
- An antenna port refers to a logical antenna port or a physical antenna port defined in the 3GPP standard.
- the method of forming the transmission beam and the reception beam is not limited to the above method.
- a method of changing the angle of each antenna may be used, or a method of combining a method of using a precoding vector and a method of changing the angle of an antenna is used.
- different antenna panels may be switched and used, or a method of combining a plurality of antenna panels may be used, or other methods may be used.
- a plurality of different transmission beams may be used in the high frequency band. The use of multiple transmission beams is called multi-beam operation, and the use of one transmission beam is called single beam operation.
- “to be set” of a radio parameter or the like may mean that a predetermined value is set (Pre-configure) or specified in advance, The wireless parameter notified from the user apparatus 200 may be set.
- FIG. 1 is a diagram illustrating a configuration example of a wireless communication system according to an embodiment of the present invention.
- wireless communications system in embodiment of this invention contains the base station apparatus 100 and the user apparatus 200 as FIG. 1 shows. Although one base station apparatus 100 and one user apparatus 200 are shown in FIG. 1, this is an example, and there may be a plurality of each.
- the base station apparatus 100 is a communication apparatus that provides one or more NR cells and performs wireless communication with the user apparatus 200.
- the base station apparatus 100 transmits a synchronization signal and system information to the user apparatus 200.
- the synchronization signal is, for example, NR-PSS and NR-SSS.
- the system information is transmitted using, for example, NR-PBCH.
- the system information is also called notification information.
- Both the base station apparatus 100 and the user apparatus 200 can perform signal transmission and reception by performing beamforming.
- the user apparatus 200 is a communication apparatus having a wireless communication function such as a smartphone, a mobile phone, a tablet, a wearable terminal, and a communication module for M2M (Machine-to-Machine), and is wirelessly connected to the base station apparatus 100 to perform wireless communication.
- M2M Machine-to-Machine
- the user apparatus 200 transmits a random access preamble signal to the base station apparatus 100.
- the random access includes system information by RMSI (Physical-downlink-shared channel) that is scheduled by NR-PDCCH (Physical-downlink-control channel). Remaining (minimum (system information)).
- the RMSI includes information necessary for initial access such as RACH setting, for example.
- the base station apparatus 100 transmits a DL signal including control information to the user apparatus 200 via the PDCCH.
- the user apparatus 200 monitors the DL signal based on a search space for random access.
- the search space for random access includes, for example, a PDCCH that schedules a message 2 that is a random access response and a message 4 that performs collision resolution, and the user apparatus 200 receives the PDSCH scheduled on the PDCCH.
- the random access search space includes, for example, a PDCCH corresponding to UL signal scheduling for retransmitting the message 3, and the user apparatus 200 retransmits the message 3 based on the scheduling of the PDCCH.
- a set of PDCCH candidates monitored by the user apparatus 200 is defined as a set of PDCCH search spaces.
- the set of PDCCH search spaces is a set of common search spaces or a set of UE-specific search spaces.
- the user apparatus 200 monitors PDCCH candidates from a set of one or a plurality of search spaces.
- Base station apparatus 100 arranges a PDCCH addressed to a certain user apparatus 200 in a PDCCH search space, and transmits a signal including the PDCCH arranged in the PDCCH search space to user apparatus 200.
- the search space for random access may be defined as “Type-1 PDCCH common search space”.
- the content of “Type-1 PDCCH common search space” may be notified to the user apparatus 200 by an information element “ra-SearchSpace” included in RRC (Radio Resource Control) signaling, or may be defined in advance.
- RRC Radio Resource Control
- PDCCH that schedules message 2 that is a random access response is scrambled by CRC (Cyclic redundancy check) with RA-RNTI (Random Access-Radio Network Temporary Identifier).
- CRC Cyclic redundancy check
- RA-RNTI Random Access-Radio Network Temporary Identifier
- the PDCCH that schedules retransmission of the message 3 is CRC scrambled with a Temporary C-RNTI (Cell-RNTI).
- the message 4 for performing the collision resolution is CRC scrambled with the Temporary C-RNTI or C-RNTI.
- the user apparatus 200 monitors the control information scrambled as described above in the search space.
- message 1 which is a random access preamble does not need to be triggered in a search space for random access.
- message 1 may be triggered by RRC signaling.
- message 1 may be triggered by user device 200. Further, for example, it may be triggered by control information via the PDCCH from the network, and the user apparatus 200 may monitor the PDCCH for another type of common search space or UE-specific search space.
- FIG. 2 is a sequence diagram for explaining an example of a random access procedure in the embodiment of the present invention.
- FIG. 2 shows an example of a collision type random access procedure.
- a preamble to be used at random is selected from a predetermined range of preamble indexes.
- step S ⁇ b> 1 the user apparatus 200 transmits a random access preamble (message 1) to the base station apparatus 100 based on information specifying the RACH resource and the preamble index acquired in advance from the base station apparatus 100.
- step S2 the base station apparatus 100 transmits a random access response (message 2) to the user apparatus 200.
- the random access response is a response to the random access preamble, is transmitted to the RA-RNTI on the PDCCH, and includes at least the identifier of the random access preamble, the timing alignment, and the initial uplink grant.
- the random access procedure is completed in step S2.
- the process proceeds to step S3.
- the user apparatus 200 monitors the search space in order to receive a random access response.
- step S3 based on the initial uplink grant included in the random access response received in step S2, the user apparatus 200 performs scheduled UL transmission (message 3) to the base station apparatus 100.
- scheduled UL transmission messages 3
- the user apparatus 200 monitors the search space in order to receive the PDCCH.
- step S4 the base station apparatus 100 transmits scheduling corresponding to information for collision resolution to the user apparatus 200 via the PDCCH.
- the user apparatus 200 monitors the search space in order to receive the PDCCH.
- collision resolution is successful according to the information for collision resolution, the user apparatus 200 considers that random access has been successful and completes the random access procedure.
- FIG. 3 is a flowchart for explaining an example of a random access procedure in the embodiment of the present invention.
- FIG. 3 is a diagram illustrating an example of a collision type random access procedure. At the start of the random access procedure, the transmission counter is set to “1”.
- step S11 the user apparatus 200 is based on information for identifying a resource for executing a random access procedure received from the base station apparatus 100, that is, a RACH resource and a preamble format specified in the frequency domain and the time domain. Select a resource to use for random access. Subsequently, the user apparatus 200 transmits a random access preamble (message 1) to the base station apparatus 100 using the selected resource (S12).
- a random access preamble (message 1)
- step S13 the base station apparatus 100 transmits a random access response (message 2) to the user apparatus 200.
- the random access response is a response to the random access preamble, and is transmitted to the RA-RNTI via the PDCCH.
- the PDSCH scheduled by the PDCCH includes at least the identifier of the random access preamble, the timing alignment, the initial uplink grant, and the temporary C. -Includes RNTI.
- the user apparatus 200 monitors the search space in order to receive a random access response.
- the random access response is received by the user device 200 (YES in S13)
- the process proceeds to step S14.
- the random access response is not received by the user device 200 (NO in S13)
- the process proceeds to step S16.
- the message 3 is not normally received in the base station apparatus 100, scheduling corresponding to the retransmission instruction of the message 3 is transmitted to the user apparatus 200 via the PDCCH.
- the user apparatus 200 monitors the search space in order to receive the PDCCH
- step S14 the user apparatus 200 performs uplink transmission (message 3) based on the uplink grant included in the random access response.
- uplink transmission at least an RRC connection request and information indicating a NAS (Non-Access Stratum) UE (User Equipment) identifier are transmitted.
- the PDSCH that is transmitted from the base station apparatus 100 to the temporary C-RNTI or C-RNTI as the collision resolution (Contention resolution, message 4) to the temporary C-RNTI or C-RNTI and is scheduled by the PDCCH is at least RRC. It includes control information for establishing a connection and a predetermined MAC (Medium Access Control) control element transmitted from the user apparatus 200 in step S14.
- MAC Medium Access Control
- the MAC control element is used for collision resolution.
- the user apparatus 200 monitors the search space in order to receive the PDCCH that schedules the PDSCH including the message 4.
- the collision resolution (step S14) is performed when the collision type random access procedure is executed, and may not be performed when the non-collision type random access procedure is executed. If the MAC control element matches part or all of the data transmitted in step S14 (YES in S14), the user apparatus 200 proceeds to step S15. If not matched (NO in S14), the user apparatus 200 proceeds to step S16. move on.
- step S15 the user apparatus 200 considers that the random access is successful, and if the temporary C-RNTI is used, sets the temporary C-RNTI as C-RNTI and ends the random access procedure.
- step S16 the user apparatus 200 determines whether the transmission counter is notified or whether a predetermined upper limit is exceeded. If the upper limit is exceeded (YES in S16), the process proceeds to step S17. If the upper limit is not exceeded (NO in S16), the process proceeds to step S18.
- step S17 the user apparatus 200 considers that the random access has failed, and ends the random access procedure.
- step S18 the user apparatus 200 increments the transmission counter by 1, returns to step S11 to retransmit the random access preamble, and selects a random access resource again.
- the user apparatus 200 monitors the search space for random access, that is, the Type-1 PDCCH common search space, in the random access procedure. However, if the user apparatus 200 continuously monitors the Type-1 PDCCH common search space, PDCCH candidates are unnecessarily monitored. Since there is a limit on the number of PDCCH candidates that can be monitored by the user apparatus 200, when the user apparatus 200 continuously monitors the Type-1 PDCCH common search space, the consumed resources increase, and other types Will affect the search space monitoring.
- the user apparatus 200 can efficiently monitor the search space. That is, the user apparatus 200 can monitor the search space based on the effective period defined in the search space.
- the base station apparatus 100 arranges a PDCCH addressed to a certain user apparatus 200 so as to be included in the search space based on the effective period defined in the search space, and transmits the PDCCH to the user apparatus 200.
- the time point at which the user apparatus 200 starts monitoring the Type-1 PDCCH common search space is defined as one of the following time points. 1) Time when RAR (random access response) window for receiving message 2 is started 2) Time when message 1 is transmitted 3) Time when monitoring of PDCCH corresponding to message 2 is started
- the time point when the user apparatus 200 ends the monitoring of the Type-1 PDCCH common search space is set as one of the following time points. 4) When the random access procedure is completed 5) When reception of message 4 is completed 6) When conflict resolution is completed by message 4
- the time domain to be monitored in the Type-1 PDCCH common search space may be specified by the combination of
- monitoring may be defined as in 7) below.
- the user apparatus 200 uses the Type-1 PDCCH common search space only when monitoring the PDCCH for scheduling the message 2 or message 3 retransmission instruction or the message 4.
- the user apparatus 200 receives the PDCCH received in a period after the message 4 is received until another type of search space is set in the user apparatus 200.
- Type-1 PDCCH common search space may be used to monitor
- the user apparatus 200 receives the PDCCH received in a period until another type of search space is set in the user apparatus 200.
- Type-1 PDCCH common search space may be used to monitor
- the operation of the user device 200 may be defined by standardized specifications as described below. Standardized specification example: The user apparatus 200 monitors the Type-1 PDCCH common search space only during the period from the start of the RAR window to the completion of the random access procedure.
- the user apparatus 200 can perform search space monitoring efficiently by specifying a search space including a PDCCH candidate received from the base station apparatus 100 in the time domain in a random access procedure. Further, only when receiving a PDCCH that schedules a specific message, the user apparatus 200 can efficiently perform search space monitoring by using a predetermined type of search space.
- the user apparatus can specify the search space used in the random access procedure in the NR, and can execute monitoring efficiently.
- the base station apparatus 100 and the user apparatus 200 include functions for implementing the above-described embodiments. However, each of the base station apparatus 100 and the user apparatus 200 may have only some functions in the embodiments.
- FIG. 4 is a diagram illustrating an example of a functional configuration of the base station device 100.
- the base station apparatus 100 includes a transmission unit 110, a reception unit 120, a setting information management unit 130, and an initial access setting unit 140.
- the functional configuration shown in FIG. 4 is merely an example. As long as the operation
- the transmission unit 110 includes a function of generating a signal to be transmitted to the user apparatus 200 and transmitting the signal wirelessly.
- the reception unit 120 includes a function of receiving various signals transmitted from the user apparatus 200 and acquiring, for example, higher layer information from the received signals. Further, the transmission unit 110 has a function of transmitting NR-PSS, NR-SSS, NR-PBCH, DL / UL control signals, and the like to the user apparatus 200. For example, the transmission unit 110 transmits broadcast information or UL scheduling including information used for initial access to the user apparatus 200, and the reception unit 120 has a function of receiving a RACH preamble from the user apparatus 200.
- the setting information management unit 130 stores setting information set in advance and various setting information to be transmitted to the user apparatus 200.
- the contents of the setting information are, for example, information related to transmission / reception parameters for initial access.
- the initial access setting unit 140 notifies the user device 200 of information used for initial access, receives a random access preamble transmitted from the user device 200, and transmits a random access response. Etc. Further, the initial access setting unit 140 arranges the PDCCH to be transmitted to the user apparatus 200 in a search space defined as a Type-1 PDCCH common search space.
- FIG. 5 is a diagram illustrating an example of a functional configuration of the user device 200.
- the user device 200 includes a transmission unit 210, a reception unit 220, a setting information management unit 230, and an initial access control unit 240.
- the functional configuration shown in FIG. 5 is merely an example. As long as the operation
- the transmission unit 210 creates a transmission signal from the transmission data and transmits the transmission signal wirelessly.
- the receiving unit 220 wirelessly receives various signals and acquires higher layer signals from the received physical layer signals.
- the receiving unit 220 has a function of receiving NR-PSS, NR-SSS, NR-PBCH, DL / UL control signals and the like transmitted from the base station apparatus 100.
- the transmission unit 210 has a function of transmitting NR-PRACH, NR-PUSCH, and the like to the base station apparatus 100.
- the setting information management unit 230 stores various setting information received from the base station apparatus 100 or the user apparatus 200 by the receiving unit 220.
- the setting information management unit 230 also stores setting information set in advance.
- the contents of the setting information are, for example, information related to transmission / reception parameters for initial access.
- the initial access control unit 240 generates a preamble and a message related to initial access transmitted from the user apparatus 200 to the base station apparatus 100. Further, the initial access control unit 240 monitors a search space defined as a Type-1 PDCCH common search space, and acquires a PDCCH addressed to the own station.
- a function unit related to signal transmission in the initial access control unit 240 may be included in the transmission unit 210, and a function unit related to signal reception in the initial access control unit 240 may be included in the reception unit 220.
- each functional block may be realized by one device in which a plurality of elements are physically and / or logically combined, or two or more devices physically and / or logically separated may be directly and directly. It may be realized by a plurality of these devices connected indirectly (for example, wired and / or wirelessly).
- both the base station apparatus 100 and the user apparatus 200 according to the embodiment of the present invention may function as a computer that performs processing according to the embodiment of the present invention.
- FIG. 6 is a diagram illustrating an example of a hardware configuration of a radio communication apparatus that is the base station apparatus 100 or the user apparatus 200 according to the embodiment of the present invention.
- Each of the base station apparatus 100 and the user apparatus 200 described above is physically a computer apparatus including a processor 1001, a storage apparatus 1002, an auxiliary storage apparatus 1003, a communication apparatus 1004, an input apparatus 1005, an output apparatus 1006, a bus 1007, and the like. It may be configured.
- the term “apparatus” can be read as a circuit, a device, a unit, or the like.
- the hardware configuration of the base station apparatus 100 and the user apparatus 200 may be configured to include one or a plurality of apparatuses indicated by 1001 to 1006 shown in the figure, or may be configured not to include some apparatuses. May be.
- Each function in the base station apparatus 100 and the user apparatus 200 is performed by causing the processor 1001 to perform computation by reading predetermined software (program) on hardware such as the processor 1001 and the storage device 1002, and the communication by the communication apparatus 1004. This is realized by controlling reading and / or writing of data in the storage device 1002 and the auxiliary storage device 1003.
- the processor 1001 controls the entire computer by operating an operating system, for example.
- the processor 1001 may be configured by a central processing unit (CPU) including an interface with peripheral devices, a control device, an arithmetic device, a register, and the like.
- CPU central processing unit
- the processor 1001 reads a program (program code), software module, or data from the auxiliary storage device 1003 and / or the communication device 1004 to the storage device 1002, and executes various processes according to these.
- a program program that causes a computer to execute at least a part of the operations described in the above embodiments is used.
- the transmission unit 110, the reception unit 120, the setting information management unit 130, and the initial access setting unit 140 of the base station device 100 illustrated in FIG. 4 are realized by a control program stored in the storage device 1002 and operating on the processor 1001. May be.
- the storage device 1002 runs on the processor 1001. It may be realized by. Although the above-described various processes have been described as being executed by one processor 1001, they may be executed simultaneously or sequentially by two or more processors 1001. The processor 1001 may be implemented by one or more chips. Note that the program may be transmitted from a network via a telecommunication line.
- the storage device 1002 is a computer-readable recording medium.
- the storage device 1002 is at least one of ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (Electrically Erasable Programmable ROM), RAM (Random Access Memory), and the like. It may be configured.
- the storage device 1002 may be called a register, a cache, a main memory (main storage device), or the like.
- the storage device 1002 can store a program (program code), a software module, and the like that can be executed to perform the processing according to the embodiment of the present invention.
- the auxiliary storage device 1003 is a computer-readable recording medium, such as an optical disc such as a CD-ROM (Compact Disc) ROM, a hard disc drive, a flexible disc, a magneto-optical disc (eg, a compact disc, a digital versatile disc, a Blu-ray). -Ray (registered trademark) disk), smart card, flash memory (eg, card, stick, key drive), floppy (registered trademark) disk, magnetic strip, etc.
- the auxiliary storage device 1003 may be referred to as an auxiliary storage device.
- the above-described storage medium may be, for example, a database including the storage device 1002 and / or the auxiliary storage device 1003, a server, or other suitable medium.
- the communication device 1004 is hardware (transmission / reception device) for performing communication between computers via a wired and / or wireless network, and is also referred to as a network device, a network controller, a network card, a communication module, or the like.
- the transmission unit 110 and the reception unit 120 of the base station device 100 may be realized by the communication device 1004.
- the transmission unit 210 and the reception unit 220 of the user device 200 may be realized by the communication device 1004.
- the input device 1005 is an input device (for example, a keyboard, a mouse, a microphone, a switch, a button, a sensor, etc.) that accepts an input from the outside.
- the output device 1006 is an output device (for example, a display, a speaker, an LED lamp, etc.) that performs output to the outside.
- the input device 1005 and the output device 1006 may have an integrated configuration (for example, a touch panel).
- each device such as the processor 1001 and the storage device 1002 is connected by a bus 1007 for communicating information.
- the bus 1007 may be configured with a single bus or may be configured with different buses between apparatuses.
- the base station apparatus 100 and the user apparatus 200 each include a microprocessor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a programmable logic device (PLD), a field programmable gate array (FPGA), and the like.
- DSP digital signal processor
- ASIC application specific integrated circuit
- PLD programmable logic device
- FPGA field programmable gate array
- the hardware may be configured, and a part or all of each functional block may be realized by the hardware.
- the processor 1001 may be implemented by at least one of these hardware.
- a user apparatus that communicates with a base station apparatus, and includes a DL (Downlink) included in a search space that is a set of PDCCH (Physical downlink control channel) candidates.
- a receiving unit that receives a signal from the base station device, a control unit that performs monitoring for obtaining a PDCCH candidate addressed to the user device based on an effective period defined in the search space, and addressed to the user device
- a user apparatus is provided that includes a communication unit that receives a physical downlink shared channel (PDSCH) or transmits an UL (Uplink) signal to the base station apparatus based on information included in a PDCCH candidate.
- PDSCH physical downlink shared channel
- Uplink Uplink
- the user apparatus 200 can specify the search space including the PDCCH candidate received from the base station apparatus 100 in the time domain in the random access procedure, and can efficiently monitor the search space. That is, the user apparatus can specify the search space used in the random access procedure in the NR and perform monitoring efficiently.
- the valid period defined in the search space may be a period for executing a random access procedure.
- the user apparatus 200 can efficiently perform search space monitoring by using a predetermined type of search space only when receiving a PDCCH that schedules a specific message.
- the window for receiving the random access response is started, the random access preamble is transmitted, or monitoring of the PDCCH corresponding to the random access response is started. It may be at any point in time. With this configuration, the user apparatus 200 can specify the point in time when the search space is started.
- the point in time when the validity period defined in the search space is ended is either when the random access procedure is completed, when reception of the message 4 for conflict resolution is completed, or when conflict resolution is completed by the message 4 It may be.
- the user apparatus 200 can specify the point in time when the search space ends.
- monitoring for acquiring PDCCH candidates addressed to the user apparatus is performed for a period until a search space of a type other than the search space is set using the search space. Also good.
- the user apparatus 200 can specify a search space to be used and transmit / receive data.
- a base station apparatus that communicates with a user apparatus, wherein a DL (Downlink) signal included in a search space that is a set of PDCCH (Physical downlink control channel) candidates is transmitted to the user device.
- a DL (Downlink) signal included in a search space that is a set of PDCCH (Physical downlink control channel) candidates is transmitted to the user device.
- the base station apparatus 100 can specify the search space including the PDCCH candidate in the time domain in the random access procedure, and arrange the search space on the PDCCH so that the search space can be efficiently monitored. That is, the user apparatus can specify the search space used in the random access procedure in the NR and perform monitoring efficiently.
- the operations of a plurality of functional units may be physically performed by one component, or the operations of one functional unit may be physically performed by a plurality of components.
- the processing order may be changed as long as there is no contradiction.
- the base station apparatus 100 and the user apparatus 200 have been described using functional block diagrams. However, such apparatuses may be realized by hardware, software, or a combination thereof.
- the software operated by the processor of the base station apparatus 100 according to the embodiment of the present invention and the software operated by the processor of the user apparatus 200 according to the embodiment of the present invention are a random access memory (RAM), a flash memory, and a read, respectively. It may be stored in a dedicated memory (ROM), EPROM, EEPROM, register, hard disk (HDD), removable disk, CD-ROM, database, server, or any other suitable storage medium.
- notification of information is not limited to the aspect / embodiment described in the present specification, and may be performed by other methods.
- notification of information includes physical layer signaling (for example, DCI (Downlink Control Information), UCI (Uplink Control Information)), higher layer signaling (for example, RRC (Radio Resource Control) signaling, MAC (Medium Access Control) signaling, It may be implemented by broadcast information (MIB (Master Information Block), SIB (System Information Block)), other signals, or a combination thereof, and RRC signaling may be referred to as an RRC message. It may be a connection setup (RRC Connection Setup) message, an RRC connection reconfiguration (RRC Connection Reconfiguration) message, or the like.
- RRC Connection Setup RRC Connection Setup
- RRC Connection Reconfiguration RRC Connection Reconfiguration
- Each aspect / embodiment described herein includes LTE (Long Term Evolution), LTE-A (LTE-Advanced), SUPER 3G, IMT-Advanced 4G, 5G, FRA (Future Radio Access), W-CDMA.
- LTE Long Term Evolution
- LTE-A Long Term Evolution-Advanced
- SUPER 3G IMT-Advanced 4G
- 5G FRA (Future Radio Access)
- W-CDMA Wideband
- GSM registered trademark
- CDMA2000 Code Division Multiple Access 2000
- UMB User Mobile Broadband
- IEEE 802.11 Wi-Fi
- IEEE 802.16 WiMAX
- IEEE 802.20 UWB (Ultra-WideBand
- the present invention may be applied to a Bluetooth (registered trademark), a system using other appropriate systems, and / or a next generation system extended based on these systems.
- the specific operation performed by the base station apparatus 100 may be performed by the upper node in some cases.
- Various operations performed for communication with the user apparatus 200 in a network including one or a plurality of network nodes (network nodes) having the base station apparatus 100 are other than the base station apparatus 100 and / or the base station apparatus 100.
- it can be done by other network nodes (for example, but not limited to MME or S-GW).
- MME Mobility Management Entity
- the user equipment 200 can be obtained by those skilled in the art from a subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, It may also be referred to as a wireless terminal, remote terminal, handset, user agent, mobile client, client, or some other appropriate terminology.
- Base station apparatus 100 may also be referred to by those skilled in the art as NB (NodeB), eNB (evolved NodeB), gNB, Base Station, or some other appropriate terminology.
- NB NodeB
- eNB evolved NodeB
- gNB Base Station
- determining may encompass a wide variety of actions.
- “Judgment” and “determination” are, for example, judgment (judging), calculation (calculating), calculation (processing), processing (deriving), investigating (investigating), searching (looking up) (for example, table , Searching in a database or another data structure), considering ascertaining as “determining”, “deciding”, and the like.
- “determination” and “determination” are reception (for example, receiving information), transmission (for example, transmitting information), input (input), output (output), and access. (Accessing) (eg, accessing data in a memory) may be considered as “determined” or “determined”.
- determination and “determination” means that “resolving”, “selecting”, “choosing”, “establishing”, and “comparing” are regarded as “determining” and “deciding”. May be included. In other words, “determination” and “determination” may include considering some operation as “determination” and “determination”.
- the phrase “based on” does not mean “based only on”, unless expressly specified otherwise. In other words, the phrase “based on” means both “based only on” and “based at least on.”
- the initial access control unit 240 is an example of a control unit.
- the initial access setting unit 140 is an example of a setting unit.
- the PDCCH common search space is an example of a search space.
- the transmission unit 210 or the reception unit 220 is an example of a communication unit.
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Abstract
Description
1)メッセージ2を受信するためのRAR(ランダムアクセスレスポンス)ウィンドゥが開始される時点
2)メッセージ1を送信した時点
3)メッセージ2に対応するPDCCHのモニタリングを開始する時点
4)ランダムアクセス手順が完了した時点
5)メッセージ4の受信が完了した時点
6)メッセージ4により衝突解決が完了した時点
7)ユーザ装置200は、メッセージ2、メッセージ3の再送指示又はメッセージ4をスケジューリングするPDCCHをモニタリングする場合のみに、Type-1 PDCCHコモンサーチスペースを使用する
標準化仕様規定例:ユーザ装置200は、RARウィンドウの開始からランダムアクセス手順の完了までの期間に限り、Type-1 PDCCHコモンサーチスペースをモニタリングする。
次に、これまでに説明した処理及び動作を実行する基地局装置100及びユーザ装置200の機能構成例を説明する。基地局装置100及びユーザ装置200は上述した実施例を実施する機能を含む。ただし、基地局装置100及びユーザ装置200はそれぞれ、実施例の中の一部の機能のみを備えることとしてもよい。
図4は、基地局装置100の機能構成の一例を示す図である。図4に示されるように、基地局装置100は、送信部110と、受信部120と、設定情報管理部130と、初期アクセス設定部140とを有する。図4に示される機能構成は一例に過ぎない。本発明の実施の形態に係る動作を実行できるのであれば、機能区分及び機能部の名称はどのようなものでもよい。
図5は、ユーザ装置200の機能構成の一例を示す図である。図5に示されるように、ユーザ装置200は、送信部210と、受信部220と、設定情報管理部230と、初期アクセス制御部240とを有する。図5に示される機能構成は一例に過ぎない。本発明の実施の形態に係る動作を実行できるのであれば、機能区分及び機能部の名称はどのようなものでもよい。
上述の本発明の実施の形態の説明に用いた機能構成図(図4及び図5)は、機能単位のブロックを示している。これらの機能ブロック(構成部)は、ハードウェア及び/又はソフトウェアの任意の組み合わせによって実現される。また、各機能ブロックの実現手段は特に限定されない。すなわち、各機能ブロックは、物理的及び/又は論理的に複数要素が結合した1つの装置により実現されてもよいし、物理的及び/又は論理的に分離した2つ以上の装置を直接的及び/又は間接的に(例えば、有線及び/又は無線)で接続し、これら複数の装置により実現されてもよい。
以上、説明したように、本発明の実施の形態によれば、基地局装置と通信を行うユーザ装置であって、PDCCH(Physical downlink control channel)候補の組であるサーチスペースに含まれるDL(Downlink)信号を前記基地局装置から受信する受信部と、前記サーチスペースに規定された有効期間に基づいて、前記ユーザ装置宛てのPDCCH候補を取得するためのモニタリングを行う制御部と、前記ユーザ装置宛てPDCCH候補に含まれる情報に基づいて、PDSCH(Physical downlink shared channel)を受信するか、又は前記基地局装置にUL(Uplink)信号を送信する通信部とを有するユーザ装置が提供される。
以上、本発明の実施の形態を説明してきたが、開示される発明はそのような実施形態に限定されず、当業者は様々な変形例、修正例、代替例、置換例等を理解するであろう。発明の理解を促すため具体的な数値例を用いて説明がなされたが、特に断りのない限り、それらの数値は単なる一例に過ぎず適切な如何なる値が使用されてもよい。上記の説明における項目の区分けは本発明に本質的ではなく、2以上の項目に記載された事項が必要に応じて組み合わせて使用されてよいし、ある項目に記載された事項が、別の項目に記載された事項に(矛盾しない限り)適用されてよい。機能ブロック図における機能部又は処理部の境界は必ずしも物理的な部品の境界に対応するとは限らない。複数の機能部の動作が物理的には1つの部品で行われてもよいし、あるいは1つの機能部の動作が物理的には複数の部品により行われてもよい。実施の形態で述べた処理手順については、矛盾の無い限り処理の順序を入れ替えてもよい。処理説明の便宜上、基地局装置100及びユーザ装置200は機能的なブロック図を用いて説明されたが、そのような装置はハードウェアで、ソフトウェアで又はそれらの組み合わせで実現されてもよい。本発明の実施の形態に従って基地局装置100が有するプロセッサにより動作するソフトウェア及び本発明の実施の形態に従ってユーザ装置200が有するプロセッサにより動作するソフトウェアはそれぞれ、ランダムアクセスメモリ(RAM)、フラッシュメモリ、読み取り専用メモリ(ROM)、EPROM、EEPROM、レジスタ、ハードディスク(HDD)、リムーバブルディスク、CD-ROM、データベース、サーバその他の適切な如何なる記憶媒体に保存されてもよい。
110 送信部
120 受信部
130 設定情報管理部
140 初期アクセス設定部
200 ユーザ装置
210 送信部
220 受信部
230 設定情報管理部
240 初期アクセス制御部
1001 プロセッサ
1002 記憶装置
1003 補助記憶装置
1004 通信装置
1005 入力装置
1006 出力装置
Claims (6)
- 基地局装置と通信を行うユーザ装置であって、
PDCCH(Physical downlink control channel)候補の組であるサーチスペースに含まれるDL(Downlink)信号を前記基地局装置から受信する受信部と、
前記サーチスペースに規定された有効期間に基づいて、前記ユーザ装置宛てのPDCCH候補を取得するためのモニタリングを行う制御部と、
前記ユーザ装置宛てPDCCH候補に含まれる情報に基づいて、PDSCH(Physical downlink shared channel)を受信するか、又は前記基地局装置にUL(Uplink)信号を送信する通信部とを有するユーザ装置。 - 前記サーチスペースに規定された有効期間は、ランダムアクセス手順を実行する期間である請求項1記載のユーザ装置。
- 前記サーチスペースに規定された有効期間が開始される時点は、ランダムアクセスレスポンスを受信するためのウィンドウが開始される時点、ランダムアクセスプリアンブルを送信した時点又はランダムアクセスレスポンスに対応するPDCCHのモニタリングを開始する時点のいずれかである請求項2記載のユーザ装置。
- 前記サーチスペースに規定された有効期間が終了される時点は、ランダムアクセス手順が完了した時点、衝突解決のためのメッセージ4の受信が完了した時点又はメッセージ4により衝突解決が完了した時点のいずれかである請求項2記載のユーザ装置。
- ランダムアクセス手順が完了した後、さらに前記サーチスペースを使用して、前記サーチスペース以外の種別のサーチスペースが設定されるまでの期間、前記ユーザ装置宛てのPDCCH候補を取得するためのモニタリングを行う請求項2記載のユーザ装置。
- ユーザ装置と通信を行う基地局装置であって、
PDCCH(Physical downlink control channel)候補の組であるサーチスペースに含まれるDL(Downlink)信号を前記ユーザ装置に送信する送信部と、
前記サーチスペースに規定された有効期間に基づいて、前記ユーザ装置宛てのPDCCH候補を前記サーチスペースに配置する設定部と、
前記ユーザ装置宛てPDCCH候補に含まれる情報に基づいて、前記ユーザ装置から送信されたUL(Uplink)信号を受信する受信部とを有する基地局装置。
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WO2020024614A1 (zh) * | 2018-08-01 | 2020-02-06 | Oppo广东移动通信有限公司 | 一种随机接入的方法、设备及计算机存储介质 |
WO2020204681A1 (ko) * | 2019-03-29 | 2020-10-08 | 엘지전자 주식회사 | 무선 통신 시스템에서 신호를 송수신하는 방법 및 이를 지원하는 장치 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017195847A1 (ja) * | 2016-05-12 | 2017-11-16 | 株式会社Nttドコモ | ユーザ端末及び無線通信方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101104965B1 (ko) * | 2008-12-19 | 2012-01-12 | 한국전자통신연구원 | 하향링크 제어채널 자원을 고려한 기지국에서의 스케줄링 방법 및 장치 |
KR101691344B1 (ko) | 2009-04-23 | 2016-12-29 | 인터디지탈 패튼 홀딩스, 인크 | 멀티캐리어 무선 통신에서의 임의 접속을 위한 방법 및 장치 |
WO2012011239A1 (ja) * | 2010-07-21 | 2012-01-26 | パナソニック株式会社 | 基地局装置、端末装置、送信方法及び受信方法 |
US9467959B2 (en) | 2011-04-01 | 2016-10-11 | Mediatek, Inc. | Method of maintaining multiple timing advance |
CN102932950B (zh) * | 2011-08-09 | 2016-08-10 | 华为技术有限公司 | 一种在辅小区上随机接入的方法和设备 |
US9313807B2 (en) * | 2011-08-10 | 2016-04-12 | Lg Electronics Inc. | Method and device for random access in wireless communication system supporting multi-carrier wave |
KR101599058B1 (ko) | 2011-11-04 | 2016-03-02 | 인텔 코포레이션 | 탐색 공간 결정 |
JP2013157699A (ja) * | 2012-01-27 | 2013-08-15 | Sharp Corp | 移動局装置、基地局装置、および無線通信システム |
JP2013192039A (ja) * | 2012-03-14 | 2013-09-26 | Sharp Corp | 移動局装置、基地局装置、通信方法、集積回路および無線通信システム |
CN103327637A (zh) * | 2012-03-19 | 2013-09-25 | 上海贝尔股份有限公司 | 随机接入从小区的方法和接收数据的方法 |
JP2013229770A (ja) | 2012-04-26 | 2013-11-07 | Sharp Corp | 移動局装置、基地局装置、通信方法、集積回路および無線通信システム |
CN103688588B (zh) * | 2012-06-26 | 2018-05-11 | 华为技术有限公司 | 信息传输方法、网络节点、用户设备及系统 |
KR20150051303A (ko) * | 2013-11-01 | 2015-05-12 | 주식회사 케이티 | 무선 통신 시스템에서의 랜덤 액세스 방법 및 그 장치 |
KR20150051093A (ko) * | 2013-11-01 | 2015-05-11 | 주식회사 아이티엘 | 다중 요소 반송파 시스템에서의 랜덤 액세스 방법 및 장치 |
JP6381217B2 (ja) | 2014-01-30 | 2018-08-29 | 株式会社Nttドコモ | ユーザ装置、基地局、及び制御情報検出方法 |
EP3200530B1 (en) * | 2014-09-25 | 2020-11-25 | Ntt Docomo, Inc. | User device and control channel receiving method |
JP6255642B2 (ja) * | 2015-03-04 | 2018-01-10 | シャープ株式会社 | 移動局装置、基地局装置、および通信方法 |
WO2016204164A1 (ja) * | 2015-06-19 | 2016-12-22 | シャープ株式会社 | 端末装置、通信方法、および、集積回路 |
KR102568356B1 (ko) * | 2018-05-15 | 2023-08-18 | 가부시키가이샤 엔티티 도코모 | 유저장치 및 기지국장치 |
-
2018
- 2018-05-15 KR KR1020207031884A patent/KR102568356B1/ko active IP Right Grant
- 2018-05-15 PT PT189187248T patent/PT3796735T/pt unknown
- 2018-05-15 JP JP2020518865A patent/JP7127121B2/ja active Active
- 2018-05-15 WO PCT/JP2018/018825 patent/WO2019220551A1/ja active Application Filing
- 2018-05-15 EP EP23193177.5A patent/EP4274345A3/en active Pending
- 2018-05-15 BR BR112020022686-6A patent/BR112020022686A2/pt unknown
- 2018-05-15 EP EP18918724.8A patent/EP3796735B1/en active Active
- 2018-05-15 US US17/051,024 patent/US11350403B2/en active Active
- 2018-05-15 RU RU2020137302A patent/RU2769458C1/ru active
- 2018-05-15 CN CN201880092671.1A patent/CN112020895A/zh active Pending
-
2020
- 2020-12-09 CO CONC2020/0015344A patent/CO2020015344A2/es unknown
-
2022
- 2022-05-02 US US17/661,672 patent/US20220256517A1/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017195847A1 (ja) * | 2016-05-12 | 2017-11-16 | 株式会社Nttドコモ | ユーザ端末及び無線通信方法 |
Non-Patent Citations (5)
Title |
---|
3GPP TS 38.211, March 2018 (2018-03-01) |
3GPP TS 38.213, March 2018 (2018-03-01) |
NOKIA ET AL.: "Remaining details on RACH procedure", 3GPP TSG RAN WG1 MEETING RAN1#92 RL-1802022, 16 February 2018 (2018-02-16), XP051397448 * |
NTT DOCOMO, INC.: "Remaining issues on RACH procedure", 3GPP TSG RAN WG1 MEETING #93 R1- 1807603, 17 May 2018 (2018-05-17), XP051463111 * |
QUALCOMM INCORPORATED: "Summary of remaining details on RACH procedure", 3GPP TSG-RAN WG1 92BIS RL-1805754, 24 April 2018 (2018-04-24), XP051435705 * |
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EP4274345A2 (en) | 2023-11-08 |
KR102568356B1 (ko) | 2023-08-18 |
RU2769458C1 (ru) | 2022-03-31 |
BR112020022686A2 (pt) | 2021-02-09 |
US11350403B2 (en) | 2022-05-31 |
US20220256517A1 (en) | 2022-08-11 |
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US20210127370A1 (en) | 2021-04-29 |
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