WO2018203402A1 - Dispositif d'utilisateur et station de base - Google Patents

Dispositif d'utilisateur et station de base Download PDF

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Publication number
WO2018203402A1
WO2018203402A1 PCT/JP2017/017301 JP2017017301W WO2018203402A1 WO 2018203402 A1 WO2018203402 A1 WO 2018203402A1 JP 2017017301 W JP2017017301 W JP 2017017301W WO 2018203402 A1 WO2018203402 A1 WO 2018203402A1
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WIPO (PCT)
Prior art keywords
parameter
base station
user apparatus
radio
user device
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PCT/JP2017/017301
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English (en)
Japanese (ja)
Inventor
真平 安川
聡 永田
尚人 大久保
ウリ アンダルマワンティ ハプサリ
高橋　秀明
Original Assignee
株式会社Ｎｔｔドコモ
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Application filed by 株式会社Ｎｔｔドコモ filed Critical 株式会社Ｎｔｔドコモ
Priority to PCT/JP2017/017301 priority Critical patent/WO2018203402A1/fr
Publication of WO2018203402A1 publication Critical patent/WO2018203402A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities

Definitions

  • the present invention relates to a wireless communication system.
  • New SID on Enhanced Support Vehicles is being developed to examine the feasibility of specific types of user equipment (User Equipment: UE) such as drones in the LTE network. Approved by Partnership Project), performance evaluation, potential problems, and improvement technologies when connecting unmanned aircraft in an existing LTE network are being studied.
  • UE User Equipment
  • Unmanned aerial vehicles such as drones are capable of flying at higher altitudes than base stations, and are expected to perform wireless communications within a line-of-sight environment of multiple cells. For this reason, wireless communication control different from existing user devices arranged on the ground is desired.
  • an object of the present invention is to provide a wireless communication control technique suitable for a specific type of user device.
  • an aspect of the present invention is a user device, which includes a parameter management unit that manages parameters related to the user device, and a transmission / reception unit that transmits and receives radio signals to and from the base station.
  • the parameter management unit has a type parameter indicating that the type of the user device is a specific type, and when the user device is in an idle state, the transmission / reception unit receives the received from the base station.
  • the present invention relates to a user apparatus that applies a radio parameter corresponding to a specific type.
  • FIG. 1 is a schematic diagram illustrating that a certain type of user equipment interferes with neighboring cells.
  • FIG. 2 is a schematic diagram illustrating a wireless communication system according to an embodiment of the present invention.
  • FIG. 3 is a block diagram illustrating a functional configuration of a user apparatus according to an embodiment of the present invention.
  • FIG. 4 is a block diagram showing a functional configuration of a base station according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram illustrating transmission of radio parameters for each UE type from a base station according to an embodiment of the present invention.
  • FIG. 6A is a schematic diagram illustrating an application example of radio parameters for each UE type according to an embodiment of the present invention.
  • FIG. 6B is a schematic diagram illustrating an application example of radio parameters for each UE type according to an embodiment of the present invention.
  • FIG. 7A is a schematic diagram illustrating an application example of radio parameters for each UE type according to an embodiment of the present invention.
  • FIG. 7B is a schematic diagram illustrating an application example of radio parameters for each UE type according to an embodiment of the present invention.
  • FIG. 8 is a sequence diagram illustrating a wireless communication process between a specific type of user apparatus and a base station according to an embodiment of the present invention.
  • FIG. 9 is a block diagram illustrating a hardware configuration of a user apparatus and a base station according to an embodiment of the present invention.
  • a specific type user apparatus that easily gives uplink interference to a neighboring cell and a base station that controls radio communication with the specific type user apparatus are disclosed.
  • Various embodiments will be described with reference to a non-terrestrial user equipment that is not located on the ground, such as a drone, but the present invention is not limited to this, and any one that is likely to cause uplink interference to neighboring cells. It is applicable to this type of user equipment.
  • a drone can fly at a higher altitude than a base station, and is assumed to perform wireless communication within a line-of-sight environment of multiple cells. Under such an assumption, for example, uplink transmission from a drone to a connected cell may cause uplink interference to a neighboring cell as shown in FIG. Therefore, transmission power control suitable for a specific type of user equipment that is likely to cause uplink interference in such adjacent cells is desired.
  • an uplink transmission power control method is provided when a specific type of user equipment is in an idle state (such as an RRC (Radio Resource Control) _IDLE state). That is, the user apparatus holds a type parameter indicating the type of the user apparatus, and when the base station broadcasts system information indicating a radio parameter for each user apparatus type, the user apparatus corresponds to the type indicated in the type parameter. Perform uplink transmission to the base station according to the radio parameters. Thereby, even when the base station cannot acquire the registration information of the user apparatus from the core network, such as when the user apparatus is in an idle state, uplink transmission is executed with a radio parameter suitable for the type of the user apparatus.
  • RRC Radio Resource Control
  • Uplink interference to neighboring cells due to uplink transmission from a non-terrestrial user apparatus can be avoided.
  • the user apparatus adaptively adjusts the type parameter, or applies a radio parameter suitable for the measured radio state, altitude, and the like. Thereby, transmission power control can be adaptively adjusted with respect to the user apparatus in flight and the user apparatus on the ground.
  • FIG. 2 is a schematic diagram illustrating a wireless communication system according to an embodiment of the present invention.
  • the wireless communication system 10 includes a user apparatus 100 and a base station 200.
  • the wireless communication system 10 may be any wireless communication system defined by 3GPP, such as an LTE system, an LTE-Advanced system, or an NR system, or may be any other wireless communication system. May be.
  • the user apparatus 100 is any information processing apparatus that can be communicably connected to the base station 200.
  • the user apparatus 100 may be a drone, an unmanned aircraft, a non-ground-arranged user apparatus, or a part thereof.
  • the user apparatus 100 is any type of user apparatus that is preferably subjected to wireless control different from that of a conventional ground-based user apparatus.
  • the base station 200 performs wireless communication with a number of user apparatuses including the user apparatus 100 under the control of an upper station (not shown) such as a core network.
  • an upper station such as a core network.
  • the base station 200 can be referred to as eNB (evolved NodeB), for example.
  • the base station 200 can be referred to as gNB, for example.
  • only one base station 200 is shown, but typically multiple base stations are arranged to cover the coverage area of the wireless communication system 10.
  • FIG. 3 is a block diagram illustrating a functional configuration of a user apparatus according to an embodiment of the present invention.
  • the user apparatus 100 includes a parameter management unit 110 and a transmission / reception unit 120.
  • the parameter management unit 110 manages parameters related to the user device 100. Specifically, the parameter management unit 110 holds and updates various parameters that are set in advance or dynamically set for the user device 100.
  • the parameter management unit 110 may have a type parameter indicating the type of the user device 100.
  • the type parameter may be a parameter indicating whether the user device 100 is a conventional ground-type user device such as a smartphone or a tablet, or a non-ground-type user device such as a drone or an unmanned aircraft.
  • the type parameter Drone indicator is preset to “0”, and when the user device 100 is a non-ground-placement type user device, the type parameter Drone indicator is “1”. May be set in advance.
  • the user device 100 can determine whether the user device 100 is a ground-arranged user device or a non-ground-arranged user device by referring to the type parameter.
  • the type parameter described above is set to “0” or “1” and can be represented by one bit, but is not limited thereto, and may be represented by an arbitrary number of bits.
  • the type parameter may indicate authentication or license for communication under specific conditions.
  • the type parameter Drone indicator is set to 1 in advance indicates that the terminal is authenticated in advance to perform communication while flying.
  • the transmission / reception unit 120 transmits / receives a radio signal to / from the base station 200. Specifically, the transmission / reception unit 120 transmits / receives a downlink / uplink control signal and a downlink / uplink data signal to / from the base station 200 according to various radio parameters notified from the base station 200.
  • the transmission / reception unit 120 corresponds to the specific type received from the base station 200.
  • Apply radio parameters That is, when the user apparatus 100 is in the idle state and located in the base station 200, the transmission / reception unit 120 receives various system information related to the located cell that is periodically broadcast from the base station 200.
  • the base station 200 broadcasts system information for each type of the user equipment 100, and specifically, the radio parameters for the ground-arranged user apparatus and the radio parameters for the non-terrestrial-arranged user apparatus are obtained. Including system information.
  • the transmission / reception unit 120 transmits a wireless connection request to the base station 200 in accordance with the wireless parameters indicated in the received system information. Specifically, when the type parameter indicates that the user apparatus 100 is a terrestrial user apparatus, the transmission / reception unit 120 sends a radio connection request to the base station 200 according to the received radio parameter for the terrestrial user apparatus. Send. On the other hand, when the type parameter indicates that the user device 100 is a non-terrestrial user device, the transmission / reception unit 120 transmits a radio connection request to the base station 200 according to the received radio parameter for the non-terrestrial user device. To do.
  • the radio parameters for non-terrestrial user equipment are for terrestrial user equipment so that the user equipment 100 does not cause uplink interference in neighboring cells when performing uplink transmission in a line-of-sight environment.
  • the transmission power may be instructed to be lower than the radio parameter. That is, in the uplink transmission power parameter for non-terrestrial user equipment, lower transmission power is set than the uplink transmission power parameter for conventional terrestrial user equipment.
  • the radio parameter is applicable to UL / DL communication and is not limited to the frequency range where radio communication is performed or can be performed, and is also applied within the frequency range. May be.
  • FIG. 4 is a block diagram showing a functional configuration of a base station according to an embodiment of the present invention.
  • the base station 200 includes a system information management unit 210 and a communication control unit 220.
  • the system information management unit 210 transmits system information as well as system information indicating radio parameters for each type of user device. Specifically, the system information management unit 210 holds system information indicating radio parameters for ground-based user devices and radio parameters for non-ground-based user devices, and broadcasts the system information to the cell.
  • the system information management unit 210 may transmit system information indicating radio parameters for user devices whose type parameters are not set or held in addition to the radio parameters for each type of user device.
  • Uplink power control parameters and normal uplink power control parameters (Common UL) may be broadcast.
  • the communication control unit 220 controls wireless communication with the user device 100. For example, upon receiving a connection request from the idle user device 100, the communication control unit 220 establishes a wireless connection with the user device 100. Thereafter, the communication control unit 220 schedules radio resources for the user apparatus 100 and sets various radio parameters for controlling radio communication with the user apparatus 100.
  • the type parameter may be a position dependent parameter. That is, the type parameter may be variably set according to the geographical range represented by the latitude and longitude of the user device 100.
  • the parameter management unit 110 may set the Drone indicator to “1” in a predetermined geographical range, and set the Drone indicator to “0” in other geographical ranges. It may be good or unset.
  • the user equipment 100 that can function as a non-terrestrial user apparatus is located at a relatively high altitude and may cause uplink interference to neighboring cells. It is possible to apply wireless parameters for the device.
  • the type parameter may be a parameter depending on one or both of the position and the height. That is, the type parameter may be variably set according to one or both of the geographical range and the altitude of the user device 100. According to this embodiment, one or both of the variable setting of the Drone indicator according to the above-described geographical range and the variable setting of the Drone indicator according to the altitude are applied, so that the control of the Drone indicator with higher granularity is applied. Is possible.
  • the type parameter may be represented by an arbitrary number of bits.
  • the Drone indicator is set to a parameter value of “0” or “1”, but is not limited thereto, and may be represented by an arbitrary number of bits.
  • the Drone indicator may be set to “0”, “1”, or “2”.
  • the Drone indicator is set to “1” in one geographical range, “2” in a different geographical range, and the Drone indicator is set to “2” in other geographical ranges. It may be set to “0” or may not be set.
  • the altitude range is divided into three ranges of low altitude (altitude ⁇ Xm), medium altitude (Xm ⁇ altitude ⁇ Ym), and high altitude (Ym ⁇ altitude).
  • Drone indicator is set to “0” or not set, “1” and “2”.
  • the parameter management unit 110 may hold a Drone indicator preset to “0” or not set, “1” or “2” for each predetermined three-dimensional space range.
  • a parameter value represented by an arbitrary number of bits can be set for each spatial range, and control of the Drone indicator with higher granularity becomes possible.
  • the type parameter may be a parameter independent of position and / or altitude. That is, if the user device 100 is a drone, the fact itself is not position and / or altitude dependent. Therefore, the parameter management unit 110 may retain a fixed type parameter indicating that the user device 100 is a ground-based user device or a non-ground-based user device without depending on the position and / or altitude. Good.
  • the system information management unit 210 may further transmit system information indicating a flight availability parameter.
  • the flight propriety parameter may indicate flight feasibility, a flight feasible range, etc. in the cell.
  • the non-ground placement type user apparatus 100 determines that the flight is possible in the cell, and the received flight propriety parameter indicates that the flight is not possible.
  • the non-ground-arranged type user apparatus 100 can determine that flight is not possible in the cell. According to the present embodiment, it is possible to separately notify the user apparatus 100 whether or not the flight in the cell is possible.
  • the transmission / reception unit 120 may apply radio parameters applied in an idle state (such as RRC_IDLE state) even after transitioning to a connected state (such as an RRC_CONNECTED state). For example, the transmission / reception unit 120 may continue to apply the wireless parameter applied in the idle state (such as the RRC_IDLE state) until a new wireless parameter is instructed from the communication control unit 220 after the transition to the connection state.
  • the transmission / reception unit 120 shifts to the connected state while reducing the delay due to the time required for the inquiry.
  • the radio signal can be exchanged with the base station 200 immediately after.
  • the parameter management unit 110 holds various parameters such as radio parameters and / or authentication information that are effective in the coverage, and the parameters are notified and / or written by application and / or NAS (Non-Access Stratum) signaling. It may be written to the user apparatus 100 and / or a SIM (Subscriber Identity Module) card at the time of contract by the business operator. Various parameters may be different for each frequency.
  • NAS Non-Access Stratum
  • the wireless parameter may be a parameter used in a random access procedure. That is, when the user apparatus 100 in an idle state establishes a wireless connection with the base station 200, the transmission / reception unit 120 performs a wireless connection process on a RACH (Random Access Channel). The transmission / reception unit 120 executes a random access procedure by applying a radio parameter corresponding to the value of the type parameter managed by the parameter management unit 110 among the radio parameters for each type of user apparatus received from the base station 200. .
  • RACH Random Access Channel
  • the radio parameter may be a RACH power ramping parameter in which an initial received power target, a power step, and / or a maximum transmission power are defined.
  • the radio parameter may be a Message 3 transmission power parameter in which an open loop power control parameter (target reception power, path loss compensation factor, etc.), transmission power offset, and / or maximum transmission power are defined.
  • the radio parameter may specify RACH resources such as RACH time, frequency and / or sequence.
  • RACH resources such as RACH time, frequency and / or sequence.
  • the radio parameter may specify a RACH preamble format.
  • a preamble suitable for a non-ground-based user device The format may be set separately.
  • the preamble formats suitable for the ground-arranged type user apparatus and the non-ground-arranged type user apparatus are different, it is possible to set a preamble format suitable for each.
  • the radio parameter may specify whether or not the RACH can be transmitted. For example, at high altitudes where the level of interference is very high, the radio parameter may prohibit RACH transmission (such as temporarily). As described above, by prohibiting the user apparatus 100 located at a high altitude from RACH transmission, it is possible to protect the uplink transmission of a normal user apparatus.
  • the wireless parameter may be PUSCH (Physical Uplink Shared Channel), PUCCH (Physical Uplink Control Channel), and / or SRS (Sounding Reference Signal).
  • the radio parameter may specify a target reception power, a path loss compensation term, and / or a maximum transmission power in the open loop transmission power control of each channel of PUSCH, PUCCH, and / or SRS.
  • the set transmission power parameter can be applied as an initial value.
  • the wireless control process for the user device 100 in the idle state has been described.
  • the wireless control process for the user device 100 in the connected state after establishing the wireless connection will be described.
  • the radio control process for the user apparatus 100 in the connected state which will be described later, may be executed after the radio control process for the user apparatus 100 in the idle state described above is applied, or the user apparatus in the idle state described above.
  • the radio control process for 100 may be executed independently.
  • the transmission / reception unit 120 measures a radio state between the user apparatus 100 and the base station 200, and sets a radio parameter for each type of user apparatus received from the base station 200 according to the measured radio state. You may choose. Specifically, the transmission / reception unit 120 measures indicators such as RSRP (Reference Signal Received Power) and RSRQ (Reference Signal Received Quality) indicating path loss between the user apparatus 100 and the base station 200, and responds to the measurement result. Thus, the radio parameter for each type of user apparatus received from the base station 200 may be selected.
  • RSRP Reference Signal Received Power
  • RSRQ Reference Signal Received Quality
  • the transmitting / receiving unit 120 Wireless parameters for the placement type user equipment may be applied. Further, when the condition is satisfied or no longer satisfied, the transmission / reception unit 120 may report the measurement result to the base station 200 in the connected state. Further, at this time, the transmission / reception unit 120 may autonomously apply the radio parameters for the non-terrestrial deployment type user apparatus, or for the non-terrestrial configuration type user apparatus by higher layer signaling from the base station 200. Wireless parameters may be applied.
  • the transmission / reception unit 120 may report the measurement result to the base station 200 only once, or thereafter report the measurement result to the base station 200 a predetermined number of times and / or periodically. May be. Further, the transmission / reception unit 120 may stop reporting the measurement result based on the report stop instruction from the base station 200. According to the present embodiment, when the above condition is satisfied and uplink interference is likely to occur, the occurrence of uplink interference is reduced by applying the radio parameters for the non-terrestrial user device, and the user device 100 It becomes possible to minimize the degradation of the throughput.
  • the transmission / reception unit 120 may measure the altitude of the user apparatus 100 and select a radio parameter for each type of user apparatus received from the base station 200 according to the measured altitude. Specifically, only when the altitude of the user device 100 measured autonomously is equal to or greater than a predetermined threshold, the transmission / reception unit 120 may apply the radio parameters for the non-terrestrial user device. According to the present embodiment, when the user apparatus 100 is at an altitude equal to or higher than a predetermined threshold and uplink interference is likely to occur, the occurrence of uplink interference is suppressed by applying the radio parameters for the non-terrestrial user apparatus. It is possible to reduce the degradation of the throughput of the user apparatus 100 while minimizing it.
  • the various threshold values described above may be preset values, broadcast values, or values set by higher layer signaling.
  • Various threshold values may be set in advance from the viewpoint of ensuring operational flexibility while supporting the wireless control processing for the user device 100 in the idle state described above.
  • various parameters can be realized as flags that can be set to “0” or “1” (for example, the above-described Drone indicator), but the present invention is not limited to this. And may be set to multiple levels. For example, when parameters that can be set at a plurality of levels are used, radio parameters can be set according to position, altitude, and / or interference level. Similarly, the various threshold values described above may be set at a plurality of levels.
  • the specific parameter value managed by the parameter management unit 110 described above may be managed as rewritable capability information (UE category, UE capability, etc.), or when a plurality of parameter values are set.
  • the parameter management unit 110 may be set to the corresponding parameter value.
  • the user apparatus 100 connects to the base station 200, the user apparatus 100 reports capability information to the base station 200, so the base station 200 does not query the core network for registration information of the user apparatus 100, The type of the user device 100 can be recognized.
  • FIG. 8 is a sequence diagram illustrating a wireless communication process between a specific type of user apparatus and a base station according to an embodiment of the present invention.
  • the base station (gNB) 200 transmits system information indicating radio parameters for each type of user apparatus. Specifically, the base station 200 broadcasts in the system information radio parameters for terrestrial-arranged user apparatuses, radio parameters for non-terrestrial-arranged user apparatuses and / or radio parameters for ordinary user apparatuses.
  • the idle user apparatus 100 transmits a wireless connection request to the base station 200 according to the wireless parameter corresponding to the type of the user apparatus 100 from the received system information. That is, the user device 100 determines whether the user device 100 is a ground-arranged user device or a non-ground-arranged user device based on a preset type parameter.
  • the wireless connection request is transmitted to the base station 200 according to the wireless parameter for the terrestrial-arranged user apparatus, and the user apparatus 100 is a non-terrestrial user apparatus
  • the user apparatus 100 transmits the wireless connection request according to the wireless parameter for the non-terrestrial user apparatus Is transmitted to the base station 200.
  • the radio parameter may be, for example, a parameter used in a random access procedure.
  • a RACH power ramping parameter a Message 3 transmission power parameter, a parameter indicating a RACH radio resource, a RACH preamble format, and the like. Or a parameter indicating whether or not the RACH can be transmitted.
  • the radio parameter may be a transmission power parameter such as PUSCH, PUCCH and / or SRS.
  • step S103 a wireless connection is established between the user apparatus 100 and the base station 200, and the user apparatus 100 shifts to a connected state.
  • the user apparatus 100 may continue to use the radio parameter corresponding to the user apparatus type until the UE is individually set from the base station 200.
  • step S104 the base station 200 transmits control information including radio resources allocated for uplink transmission to the user apparatus 100.
  • the control information may include new radio parameters for the user apparatus 100.
  • step S105 the user apparatus 100 transmits an uplink radio signal according to the set radio parameter.
  • each functional block may be realized by one device physically and / or logically coupled, and two or more devices physically and / or logically separated may be directly and / or indirectly. (For example, wired and / or wireless) and may be realized by these plural devices.
  • the user apparatus 100 and the base station 200 may function as a computer that performs processing of the wireless communication method of the present invention.
  • FIG. 9 is a block diagram illustrating a hardware configuration of the user apparatus 100 and the base station 200 according to an embodiment of the present invention.
  • the above-described user apparatus 100 and base station 200 may be physically configured as a computer apparatus including a processor 1001, a memory 1002, a storage 1003, a communication apparatus 1004, an input apparatus 1005, an output apparatus 1006, a bus 1007, and the like. .
  • the term “apparatus” can be read as a circuit, a device, a unit, or the like.
  • the hardware configurations of the user apparatus 100 and the base station 200 may be configured to include one or a plurality of the apparatuses illustrated in the figure, or may be configured not to include some apparatuses.
  • Each function in the user apparatus 100 and the base station 200 is obtained by reading predetermined software (program) on hardware such as the processor 1001 and the memory 1002, so that the processor 1001 performs an operation, and communication by the communication apparatus 1004 or memory This is realized by controlling data reading and / or writing in the storage 1003 and the storage 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
  • each component described above may be realized by the processor 1001.
  • the processor 1001 reads programs (program codes), software modules, and data from the storage 1003 and / or the communication device 1004 to the memory 1002, and executes various processes according to these.
  • programs program codes
  • software modules software modules
  • data data from the storage 1003 and / or the communication device 1004 to the memory 1002, and executes various processes according to these.
  • the program a program that causes a computer to execute at least a part of the operations described in the above embodiments is used.
  • the processing by each component of the user apparatus 100 and the base station 200 may be realized by a control program stored in the memory 1002 and operated by the processor 1001, or may be realized similarly for other functional blocks.
  • 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.
  • the program may be transmitted from a network via a telecommunication line.
  • the memory 1002 is a computer-readable recording medium, and includes, for example, at least one of ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (Electrically Erasable Programmable ROM), RAM (Random Access Memory), and the like. May be.
  • the memory 1002 may be called a register, a cache, a main memory (main storage device), or the like.
  • the memory 1002 can store a program (program code), a software module, and the like that can be executed to implement the wireless communication method according to the embodiment of the present invention.
  • the storage 1003 is a computer-readable recording medium such as an optical disk such as a CD-ROM (Compact Disc ROM), a hard disk drive, a flexible disk, a magneto-optical disk (for example, a compact disk, a digital versatile disk, a Blu-ray). (Registered trademark) disk, smart card, flash memory (for example, card, stick, key drive), floppy (registered trademark) disk, magnetic strip, and the like.
  • the storage 1003 may be referred to as an auxiliary storage device.
  • the storage medium described above may be, for example, a database, server, or other suitable medium including the memory 1002 and / or the storage 1003.
  • 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.
  • a network device for performing communication between computers via a wired and / or wireless network
  • a network controller for controlling network access
  • a network card for controlling communication between computers via a wired and / or wireless network
  • a communication module or the like.
  • each of the above-described components 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 memory 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 user apparatus 100 and the base station 200 include hardware such as a microprocessor, a digital signal processor (DSP), an ASIC (Application Specific Integrated Circuit), a PLD (Programmable Logic Device), and an FPGA (Field Programmable Gate Array). 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.
  • notification of information is not limited to the aspect / embodiment described in this 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)), upper 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.
  • the RRC signaling may be referred to as an RRC message, and may be, for example, an RRC connection setup (RRC Connection Setup) message, an RRC connection reconfiguration (RRC Connection Reconfiguration) message, or the like.
  • Each aspect / example described in this specification 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 Full 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 200 in this specification may be performed by the upper node in some cases.
  • various operations performed for communication with a terminal may be performed by the base station and / or other network nodes other than the base station (for example, Obviously, this can be done by MME or S-GW, but not limited to these.
  • MME Mobility Management Entity
  • S-GW Packet Control Function
  • Information etc. can be output from the upper layer (or lower layer) to the lower layer (or upper layer). Input / output may be performed via a plurality of network nodes.
  • the input / output information or the like may be stored in a specific location (for example, a memory) or may be managed by a management table. Input / output information and the like can be overwritten, updated, or additionally written. The output information or the like may be deleted. The input information or the like may be transmitted to another device.
  • the determination may be performed by a value represented by 1 bit (0 or 1), may be performed by a true / false value (Boolean: true or false), or may be performed by comparing numerical values (for example, a predetermined value) Comparison with the value).
  • notification of predetermined information is not limited to explicitly performed, but is performed implicitly (for example, notification of the predetermined information is not performed). Also good.
  • software, instructions, etc. may be transmitted / received via a transmission medium.
  • software may use websites, servers, or other devices using wired technology such as coaxial cable, fiber optic cable, twisted pair and digital subscriber line (DSL) and / or wireless technology such as infrared, wireless and microwave.
  • wired technology such as coaxial cable, fiber optic cable, twisted pair and digital subscriber line (DSL) and / or wireless technology such as infrared, wireless and microwave.
  • DSL digital subscriber line
  • wireless technology such as infrared, wireless and microwave.
  • the channel and / or symbol may be a signal.
  • the signal may be a message.
  • the component carrier (CC) may be called a carrier frequency, a cell, or the like.
  • system and “network” used in this specification are used interchangeably.
  • information, parameters, and the like described in this specification may be represented by absolute values, may be represented by relative values from a predetermined value, or may be represented by other corresponding information.
  • the radio resource may be indicated by an index.
  • the base station can accommodate one or a plurality of (for example, three) cells (also called sectors). When the base station accommodates a plurality of cells, the entire coverage area of the base station can be divided into a plurality of smaller areas, and each smaller area can be divided into a base station subsystem (for example, an indoor small base station RRH: Remote).
  • a communication service can also be provided by Radio Head).
  • the term “cell” or “sector” refers to part or all of the coverage area of a base station and / or base station subsystem that provides communication services in this coverage. Further, the terms “base station”, “eNB”, “cell”, and “sector” may be used interchangeably herein.
  • a base station may also be called in terms such as a fixed station (fixed station), a NodeB, an eNodeB (eNB), an access point (access point), a femto cell, and a small cell.
  • a mobile station is defined by those skilled in the art as 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, wireless It may also be called terminal, remote terminal, handset, user agent, mobile client, client, or some other appropriate terminology.
  • determining may encompass a wide variety of actions.
  • “Judgment”, “decision” can be, for example, calculating, computing, processing, deriving, investigating, looking up (eg, table, database or another (Searching in the data structure), and confirming (ascertaining) what has been confirmed may be considered as “determining” or “deciding”.
  • “determination” and “determination” include receiving (for example, receiving information), transmitting (for example, transmitting information), input (input), output (output), and access. (accessing) (e.g., accessing data in a memory) may be considered as "determined” or "determined”.
  • determination and “decision” 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”.
  • connection means any direct or indirect connection or coupling between two or more elements and It can include the presence of one or more intermediate elements between two “connected” or “coupled” elements.
  • the coupling or connection between the elements may be physical, logical, or a combination thereof.
  • the two elements are radio frequency by using one or more wires, cables and / or printed electrical connections, and as some non-limiting and non-inclusive examples
  • electromagnetic energy such as electromagnetic energy having a wavelength in the region, microwave region, and light (both visible and invisible) region, it can be considered to be “connected” or “coupled” to each other.
  • the reference signal may be abbreviated as RS (Reference Signal), and may be referred to as a pilot depending on an applied standard.
  • RS Reference Signal
  • 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.”
  • any reference to elements using designations such as “first”, “second”, etc. as used herein does not generally limit the amount or order of those elements. These designations can be used herein as a convenient way to distinguish between two or more elements. Thus, a reference to the first and second elements does not mean that only two elements can be employed there, or that in some way the first element must precede the second element.
  • the radio frame may be composed of one or a plurality of frames in the time domain. Each frame or frames in the time domain may be referred to as a subframe. A subframe may further be composed of one or more slots in the time domain. A slot may further be composed of one or more symbols (OFDM symbols, SC-FDMA symbols, etc.) in the time domain. Each of the radio frame, subframe, slot, and symbol represents a time unit for transmitting a signal. Radio frames, subframes, slots, and symbols may be called differently corresponding to each. For example, in the LTE system, the base station performs scheduling for allocating radio resources (frequency bandwidth, transmission power, etc. that can be used in each mobile station) to each mobile station.
  • radio resources frequency bandwidth, transmission power, etc. that can be used in each mobile station
  • TTI Transmission Time Interval
  • one subframe may be called a TTI
  • a plurality of consecutive subframes may be called a TTI
  • one slot may be called a TTI.
  • a resource block is a resource allocation unit in the time domain and the frequency domain, and may include one or a plurality of continuous subcarriers in the frequency domain.
  • one or a plurality of symbols may be included, and one slot, one subframe, or a length of 1 TTI may be included.
  • One TTI and one subframe may each be composed of one or a plurality of resource blocks.
  • the structure of the radio frame described above is merely an example, and the number of subframes included in the radio frame, the number of slots included in the subframe, the number of symbols and resource blocks included in the slots, and the subframes included in the resource block
  • the number of carriers can be variously changed.

Abstract

L'invention concerne un procédé de commande de communication sans fil qui est approprié pour des types spécifiques de dispositif d'utilisateur. Un mode de réalisation de la présente invention concerne un dispositif d'utilisateur qui comporte : une unité de gestion de paramètres destinée à gérer des paramètres associés au dispositif d'utilisateur ; et une unité d'émission/réception qui transmet et reçoit des signaux sans fil vers et depuis une station de base. L'unité de gestion de paramètres est pourvue d'un paramètre de type qui indique que le dispositif d'utilisateur est d'un type spécifique. Lorsque le dispositif d'utilisateur est dans un état de repos, l'unité d'émission/réception applique un paramètre sans fil qui est reçu en provenance de la station de base et qui correspond au type spécifique.
PCT/JP2017/017301 2017-05-02 2017-05-02 Dispositif d'utilisateur et station de base WO2018203402A1 (fr)

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WO2024075663A1 (fr) * 2022-10-05 2024-04-11 京セラ株式会社 Procédé de commande de communication
WO2024075664A1 (fr) * 2022-10-06 2024-04-11 京セラ株式会社 Procédé de commande de communication

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