WO2020062100A1 - Procédé et appareil de notification d'informations - Google Patents

Procédé et appareil de notification d'informations Download PDF

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Publication number
WO2020062100A1
WO2020062100A1 PCT/CN2018/108486 CN2018108486W WO2020062100A1 WO 2020062100 A1 WO2020062100 A1 WO 2020062100A1 CN 2018108486 W CN2018108486 W CN 2018108486W WO 2020062100 A1 WO2020062100 A1 WO 2020062100A1
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WIPO (PCT)
Prior art keywords
time
unit
time unit
indication information
pusch
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PCT/CN2018/108486
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English (en)
Chinese (zh)
Inventor
谢信乾
郭志恒
费永强
毕文平
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华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2018/108486 priority Critical patent/WO2020062100A1/fr
Priority to CN201980063493.4A priority patent/CN112771963B/zh
Priority to PCT/CN2019/080358 priority patent/WO2020062815A1/fr
Publication of WO2020062100A1 publication Critical patent/WO2020062100A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present invention relates to the field of mobile communications, and in particular, to a method and device for information notification.
  • a terminal device In a Long Term Evolution (LTE) system, a terminal device supports simultaneous access to two network devices. This access method is called Dual Connectivity (DC). One of the network devices is the main network device. The other network device is a secondary network device.
  • DC Dual Connectivity
  • One of the network devices is the main network device.
  • the other network device is a secondary network device.
  • Terminal equipment also supports simultaneous access to LTE network equipment and NR network equipment, because LTE is also called Evolved Universal Terrestrial Radio Access (Evolved Universal Terrestrial Radio Access, E-UTRA), so this access method is called Evolved Universal Terrestrial Wireless Access and New Air interface dual connection (E-UTRA, NR, Dual Connectivity, EN-DC).
  • E-UTRA Evolved Universal Terrestrial Wireless Access and New Air interface dual connection
  • LTE network equipment is the main network equipment
  • NR network equipment is the secondary network equipment.
  • NR E-UTRA Dual Connectivity, NE-DC
  • Frequency Division Duplex (FDD) mode and Time Division Duplex (TDD) mode can be divided into Frequency Division Duplex (FDD) mode and Time Division Duplex (TDD) mode according to the different duplex modes.
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • the system usually contains only one working frequency band, so this frequency band is also called unpaired frequency band.
  • the entire working frequency band is only used for downlink communication or only for uplink communication in the area covered by the same network device for a period of time;
  • FDD mode the system Usually contains two pairs of frequency bands for communication, one of which is used for downlink communication from the network device to the terminal device, and the other is used for uplink communication from the terminal device to the network device.
  • a typical deployment method is that NR is deployed in unpaired frequency bands using the TDD mode, such as a frequency band near 3.5GHz, and LTE is deployed in paired frequency bands, such as a frequency band near 1.8GHz.
  • terminal equipment working in EN-DC mode works in FDD mode on the LTE side, and works in TDD mode on the NR side.
  • terminals operating under EN-DC they only send uplink signals at one frequency point at the same time, that is, when When a terminal sends an uplink signal on NR, the terminal does not send an uplink signal on LTE, and vice versa.
  • the LTE network equipment configures the terminals working in DC mode with the same reference uplink and downlink configuration in the case of TDD-FDD carrier aggregation and TDD carrier as the main carrier, as follows Table 1 shows.
  • the network device may configure the terminal with one of the seven configurations in Table 1, so that the terminal device sends an uplink signal only on a part of the LTE uplink subframe. For example, when the terminal is configured with reference uplink and downlink configuration 0, the terminal device can only send uplink signals on subframes 2, 3, 4, 7, 8, and 9.
  • the uplink signals include PUCCH (Physical-layer uplink control channel, physical Uplink control channel), or PUSCH (Physical-layer shared channel), or PRACH (Physical-layer random access channel), or SRS (Sounding reference signal)
  • the terminal device cannot send any uplink signals on the sub-frames 0, 1, 5, and 6 (that is, the sub-frames marked with "-" in the table).
  • the network device can also configure an offset value for the terminal. The value of this offset value ranges from 0 to 9 and is used to adjust the number of uplink subframes that the terminal device can use. For example, when the terminal device is configured with reference uplink and downlink configuration 1, the original terminal device can only send uplink signals on subframes 2, 3, 7, and 8. If the terminal device is also configured with an offset value, such as 2 , Then the subframes in which the terminal sends uplink signals become subframes 4, 5, 9, and 0.
  • the terminal device can only send a PUCCH on the uplink subframe corresponding to the uplink and downlink configuration, and for other uplink signals including PUSCH and PRACH With SRS, the terminal device can also only send in the uplink subframe in which the PUCCH is sent.
  • the terminal on the NR side does not necessarily send uplink signals within the time period corresponding to these subframes, which will cause the terminal to waste uplink resources on the LTE side and reduce the network.
  • Spectrum utilization As shown in Figure 1, the correspondence between LTE and NR subframes, where "U” represents uplink, "D” represents downlink, and "X” represents a subframe that cannot be used for communication.
  • the terminal uses a 15kHz subcarrier interval on the LTE side.
  • the 30kHz subcarrier interval is used on the NR side.
  • the NR side only performs downlink reception in the time period corresponding to the LTE subframe included in the box, so LTE should have been able to perform uplink transmission in this subframe, but Due to the limitation of the reference uplink and downlink configuration in the prior art, the terminal cannot send an uplink signal on the subframe, resulting in a waste of resources.
  • the uplink and downlink configuration with reference to the uplink and single transmission is used to implement resource allocation of uplink information on the LTE side with insufficient flexibility.
  • This document describes a method and device for information notification, which can increase the flexibility of configuring an uplink time unit for a terminal device to send at least one of PUSCH, PRACH, or SRS signals.
  • an information notification method provided by an embodiment of the present invention includes:
  • the terminal device receives first instruction information sent by a first network device, where the first instruction information is used to indicate a first time unit configured for the terminal device to send an uplink signal, and the first time unit is a time domain At least one time unit in the unit, the uplink signal includes at least one signal of PUCCH, PUSCH, PRACH, or SRS;
  • the second time unit includes at least one time unit in the time domain unit except the first time unit.
  • the method further includes,
  • the terminal device determines, according to the first instruction information and the second instruction information, a time unit for transmitting at least one signal of PUSCH, PRACH, or SRS.
  • an information notification method provided by an embodiment of the present invention includes:
  • the first network device sends first instruction information to the terminal device, where the first instruction information is used to indicate a first time unit configured for the terminal device to send an uplink signal, and the first time unit is a time domain unit At least one time unit, the uplink signal includes at least one signal of PUCCH, PUSCH, PRACH, or SRS;
  • the first network device sends second instruction information to the terminal device, where the second instruction information is used to indicate a second time unit configured for the terminal device to send at least one of a PUSCH, PRACH, or SRS signal
  • the second time unit includes at least one time unit in the time domain unit except the first time unit.
  • the method further includes the first network device determining the first indication information and the second indication information.
  • an indication information is added to the first network device to indicate those time units that can be used for uplink transmission among the referenced time units that are configured to be unable to be transmitted upstream, so that the terminal can transmit on these time units PUSCH / PRACH / SRS, but cannot send PUCCH.
  • the terminal device working in the EN-DC mode can have more uplink subframes on the first network device side, which can improve the spectral efficiency of uplink transmission compared to the prior art.
  • the second time unit indicated by the second indication information is at least one time unit in the time domain unit.
  • the second time unit indicated by the second instruction information is a time unit in the time domain unit other than the first time unit At least one time unit.
  • the second indication information is a field containing N bits, and N is a positive integer greater than or equal to 1; each bit corresponds to a time unit, and when the bit is The first status value indicates that the corresponding time unit can send at least one of PUSCH, PRACH, or SRS signals. When the bit is the second status value, it indicates that the corresponding time unit cannot send at least one of PUSCH, PRACH, or SRS. signal.
  • the N is equal to the number of time units included in the time domain unit, and the N-bit field corresponds to the time unit included in the time domain unit one-to-one;
  • the N is equal to the number of time units included in the time domain unit minus the number of time units included in the first time unit; the N-bit field and the time in the time domain unit except the first time unit Units correspond one-to-one.
  • the second indication information is a field capable of indicating M different states, and M is a positive integer greater than or equal to 1, where M is equal to the The number of time unit combinations in the time domain unit other than the first time unit that can be used to send at least one signal in PUSCH, PRACH, or SRS.
  • M is equal to two.
  • the terminal device accesses the first network device through a first network access technology, and accesses the second network device through a second network access technology.
  • an information notification method provided by an embodiment of the present invention includes:
  • the terminal device receives first instruction information sent by a first network device, where the first instruction information is used to indicate a first time unit configured for the terminal device to send a PUCCH, and the first time unit is a time domain unit At least one time unit in
  • the terminal device receives second instruction information sent by the first network device, where the second instruction information is used to indicate a second time configured for the terminal device to transmit at least one of a PUSCH, PRACH, or SRS signal.
  • the second time unit is at least one time unit in a time domain unit;
  • the terminal device accesses the first network device through a first network access technology, and accesses the second network device through a second network access technology.
  • the method further includes:
  • the terminal device determines a time unit for transmitting at least one signal of PUSCH, PRACH, or SRS according to the second indication information.
  • an information notification method provided by an embodiment of the present invention includes:
  • the first network device sends first instruction information to the terminal device, where the first instruction information is used to indicate a first time unit configured for the terminal device to send a PUCCH, where the first time unit is a time domain unit At least one time unit;
  • the first network device sends second instruction information to the terminal device, where the second instruction information is used to indicate a second time unit configured for the terminal device to send at least one of a PUSCH, PRACH, or SRS signal
  • the second time unit is at least one time unit in a time domain unit
  • the terminal device accesses the first network device through a first network access technology, and accesses the second network device through a second network access technology.
  • the method further includes: the terminal device determining the first indication information and the second indication information.
  • configuring the first time unit for transmitting the PUCCH and the second time unit for transmitting at least one signal of the PUSCH, PRACH, or SRS respectively through different configuration information can improve the flexibility of resource configuration.
  • the first indication information and the second indication information are sent in different messages, and the second time unit includes a greater number of time units than the first time unit The number of time units included.
  • the second indication information is a field containing N bits, and the N bit field corresponds to the time unit included in the time domain unit one-to-one.
  • the first state value it means that the corresponding time unit can send at least one signal of PUSCH, PRACH, or SRS.
  • the bit is the second state value, it means that the corresponding time unit cannot send at least one of PUSCH, PRACH, or SRS.
  • a type of signal wherein, N is a positive integer greater than or equal to 1, and N is equal to the number of time units included in the time domain unit.
  • this application further provides an information receiving device, which can implement the information notification method described in the first aspect or the third aspect.
  • the device may be a terminal device or other devices capable of implementing the foregoing information notification method, and the method may be implemented by software, hardware, or by executing corresponding software by hardware.
  • this application further provides an information sending device, which can implement the information notification method described in the second aspect or the fourth aspect.
  • the device may be a network device, or may be another device capable of implementing the foregoing information notification, which may implement the foregoing method by using software, hardware, or executing corresponding software by hardware.
  • the device may include a processor and a memory.
  • the processor is configured to support the apparatus to perform a corresponding function in the method according to any one of the above aspects.
  • the memory is coupled to the processor and holds program instructions and data necessary for the device.
  • the device may further include a communication interface for supporting communication between the device and other devices.
  • the communication interface may be a transceiver or a transceiver circuit.
  • an embodiment of the present invention provides a communication system, and the system includes the information sending device and the information receiving device according to the foregoing aspect.
  • Another aspect of the present application provides a computer-readable storage medium having instructions stored in the computer-readable storage medium, which when executed on a computer, causes the computer to execute the methods described in the above aspects.
  • Yet another aspect of the present application provides a computer program product containing instructions that, when run on a computer, causes the computer to perform the methods described in the above aspects.
  • the present application further provides a chip system.
  • the chip system includes a processor, and may further include a memory, for implementing the method described in any one of the foregoing aspects.
  • any of the devices or computer storage media or computer program products or chip systems or communication systems provided above are used to execute the corresponding methods provided above. Therefore, for the beneficial effects that can be achieved, refer to the corresponding methods provided above. The beneficial effects of the corresponding solutions in the method are not repeated here.
  • FIG. 1 is a schematic diagram of a correspondence relationship between LTE and NR subframes
  • FIGS. 2a and 2b are a first schematic diagram of a system architecture applicable to the technical solution provided by the embodiment of the present application;
  • 3a and 3b are schematic diagrams 2 of a system architecture applicable to the technical solution provided by the embodiment of the present application;
  • FIG. 4 is a schematic flowchart of an information notification method according to an embodiment of the present application.
  • FIG. 5 is a relationship diagram between a time domain unit and a time unit according to an embodiment of the present application.
  • 6a-6f are schematic diagrams of subframe states provided by embodiments of the present application.
  • FIG. 7 is a schematic flowchart of an information notification method according to an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of an information receiving device according to an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of an information sending apparatus according to an embodiment of the present application.
  • a component may be, but is not limited to, a process running on a processor, a processor, an object, an executable, a thread of execution, a program, and / or a computer.
  • an application running on a computing device and a computing device can be components.
  • One or more components can reside within a process and / or thread of execution, and a component can be localized on one computer and / or distributed between 2 or more computers.
  • these components can execute from various computer readable media having various data structures stored thereon.
  • a component may, for example, be based on a signal having one or more data packets (e.g., data from two components that interact with another component between a local system, a distributed system, and / or a network, such as the Internet that interacts with other systems through signals) Communicate via local and / or remote processes.
  • data packets e.g., data from two components that interact with another component between a local system, a distributed system, and / or a network, such as the Internet that interacts with other systems through signals
  • GSM Global System
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GSM Global System
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced Long Term Evolution
  • UMTS Universal Mobile Telecommunications System
  • WLAN Wireless Local Area Networks
  • WiFi Wireless Fidelity
  • NR New Generation Radio
  • D2D Device to Device
  • M2M machine-to-machine
  • MTC machine-type communication
  • V2V vehicle-to-vehicle
  • the embodiments of the present invention describe various embodiments in combination with an access network device and a terminal device, where:
  • Terminal equipment can also be called user equipment (User Equipment, UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user Agent or user device.
  • the terminal device can be a station (STAION, ST) in the WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (WLL) station, and personal digital processing (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to a wireless modem, in-vehicle devices, wearable devices, and next-generation communication systems, such as fifth-generation communications (fifth- terminal equipment in a generation (5G) network, or terminal equipment in a public land mobile network (PLMN) network that will evolve in the future.
  • 5G fifth-generation communications
  • PLMN public land mobile network
  • the terminal device may also be a wearable device.
  • Wearable devices can also be referred to as wearable smart devices. They are the general name for applying wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a device that is worn directly on the body or is integrated into the user's clothing or accessories. Wearable devices are not only a hardware device, but also powerful functions through software support, data interaction, and cloud interaction.
  • Broad-spectrum wearable smart devices include full-featured, large-sized, full or partial functions that do not rely on smart phones, such as smart watches or smart glasses, and only focus on certain types of application functions, and need to cooperate with other devices such as smart phones Use, such as smart bracelets, smart jewelry, etc. for physical signs monitoring.
  • the access network device may be a device used to communicate with the mobile device, such as a network device, and the access network device may be used to provide a wireless communication function for the terminal device.
  • the access network device may include various forms of macro base stations, micro base stations (also referred to as small stations), relay stations, access points, and the like.
  • the access network device can be an access point (Access Point, AP) in WLAN, a base station (Base Transceiver Station, BTS) in GSM or CDMA, or a base station (NodeB, NB) in WCDMA, or an NR system
  • the gNB in LTE may also be an Evolutionary NodeB (eNB or eNodeB) in LTE, or a relay station or access point, or an in-vehicle device, a wearable device, and a network device in the future 5G network or a future evolved PLMN Network devices in the network, etc.
  • eNB Evolutionary NodeB
  • eNodeB Evolutionary NodeB
  • a wearable device or a network device in the future 5G network or a future evolved PLMN Network devices in the network, etc.
  • access network devices In this application, unless otherwise specified, network equipment and access network equipment are equivalent terms.
  • a network device provides services to a cell
  • a terminal device communicates with the network device through a transmission resource (for example, a frequency domain resource or a spectrum resource) used by the cell
  • the cell may be a network device
  • the corresponding cell for example, a base station
  • the small cell can belong to a macro base station or a small cell (small cell).
  • the small cell can include: urban cell, micro cell, pico cell (Pico cells), femto cells (Femto cells), etc. These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
  • multiple carriers on the carrier in the LTE system or 5G system can work on the same frequency at the same time.
  • the above carrier and cell concepts can be considered equivalent.
  • CA carrier aggregation
  • the carrier index of the secondary carrier and the cell ID (Cell Indentify, Cell ID) of the secondary cell operating on the secondary carrier will be carried at the same time.
  • the concept of a carrier is the same as a cell.
  • a UE accessing a carrier and accessing a cell are equivalent.
  • the frequency domain resources used by the network device and the terminal device for wireless communication are frequency domain resources used based on a competition mechanism.
  • the network device and / or the terminal device may detect whether a frequency domain resource with a certain bandwidth (for example, 20 MHz) is currently in an idle state, or whether the frequency domain resource is used by other devices.
  • a frequency domain resource with a certain bandwidth for example, 20 MHz
  • the network device and / or the terminal device can use the frequency domain resource for communication, for example, uplink transmission or downlink transmission.
  • the network device and / or the terminal device cannot use the frequency domain resource.
  • the frequency domain resources (or the frequency domain resources used by the network device and the terminal device based on the competition mechanism) used by the communication system 100 may also be licensed spectrum resources, that is,
  • the communication system 100 in the embodiment of the present invention is a communication system capable of using a licensed frequency band, and each communication device (network device and / or terminal device) in the system 100 can use the frequency domain resources of the licensed frequency band in a competitive manner.
  • a physical channel is specifically used for transmission of data information and / or control information.
  • the physical channel includes one or a combination of the following: PUSCH (physical uplink shared channel, PUSCH, physical uplink shared channel) , PUCCH (physical uplink control channel), PDCCH (Physical Downlink Control Channel), EPDCCH (Enhanced-Physical Downlink Control Channel), PCFICH (Physical Control Control Format Indicator) Channel (Physical Control Format Indication Channel), PHICH (Physical Hybrid Indicator Channel, Physical Hybrid Retransmission Indication Channel), PDSCH (Physical Downlink Shared Channel), or the newly introduced functions in the standard are the same, but Channels with different names, such as control channels or data channels introduced in short TTI transmission.
  • the time unit in the embodiment of the present invention may be a subframe, a time slot, a micro time slot, a symbol, or the like. It should be noted that different wireless communication systems have different definitions of subframes and time slots.
  • the time unit here may be an LTE subframe, time slot, sub-slot, symbol, or It is the subframe, time slot, micro time slot, and symbol of the NR system.
  • the wireless communication system includes network equipment and terminal equipment. There is downlink data transmission and uplink data transmission between the network equipment and the terminal equipment, and the network equipment can communicate with multiple terminal equipment.
  • the terminal device works in the dual connection mode of LTE and NR, that is, the terminal device accesses both the LTE network device and the NR network device at the same time.
  • Network equipment includes LTE network equipment and NR network equipment. As shown in FIG. 2a, in one implementation, a network device of LTE and a network device of NR can be deployed on the same site.
  • the LTE network equipment and the NR network equipment When the LTE network equipment and the NR network equipment are deployed at the same site, the LTE network equipment and the NR network equipment can share the same set of hardware devices, or they can use different hardware devices. As shown in FIG. 3a, in another implementation manner, the LTE network device and the NR network device may also be deployed at different sites.
  • the network device includes an LTE processor, an NR processor, and a transceiver.
  • the area served by the network device is a cell.
  • the transceiver can be one antenna or multiple antennas.
  • the terminal equipment includes: an LTE processor, an NR processor, and a transceiver.
  • the network device may include an LTE network device and an NR network device.
  • the LTE network device includes a processor and a transceiver.
  • NR network equipment includes: processor and transceiver.
  • the terminal equipment includes: an LTE processor, an NR processor, and a transceiver.
  • the network device sends information to the terminal device through the forward link (also known as the downlink) and receives information from the terminal device through the reverse link (also known as the uplink).
  • the forward link may use a different frequency band from the reverse link.
  • the forward link and the reverse link may use a common frequency band.
  • the network device or terminal device may be a wireless communication transmitting device and / or a wireless communication receiving device.
  • the wireless communication transmitting device may encode the data for transmission.
  • the wireless communication transmitting device may obtain (for example, generate, receive from another communication device, or save in a memory, etc.) a certain number of data bits to be transmitted to the wireless communication receiving device through a channel.
  • Such data bits may be included in a transport block (or transport blocks) of data, which may be segmented to generate a plurality of code blocks.
  • an embodiment of an information notification method provided by the present invention includes:
  • the first network device determines first indication information, where the first indication information is used to instruct the first network device to configure a first time unit for the terminal device to send an uplink signal, and the first time unit is a time domain At least one time unit in the unit, the uplink signal includes at least one signal of PUCCH, PUSCH, PRACH, or SRS.
  • the first time unit may be used to send at least one signal of PUCCH, PUSCH, PRACH, or SRS.
  • the time domain unit is a time domain resource unit configured for uplink signal transmission.
  • a time domain unit contains multiple time units.
  • the time domain resource unit configured for uplink transmission may be all uplink subframes on the uplink carrier, or of course it may be part of the uplink subframe; for a TDD system, it is configured for uplink transmission.
  • the time domain resource unit may be a subframe determined to be uplink according to uplink and downlink configuration information.
  • the time domain unit and time unit in this embodiment are used for uplink signal transmission, or may also be referred to as uplink time domain resources and uplink time unit.
  • the first indication information may be a field indicating a reference uplink and downlink ratio in the prior art, such as subframeAssignment-r15, and the value ranges from 0 to 6, corresponding to configurations 0 to 6 in Table 1.
  • the terminal device accesses the first network device through a first network access technology, and accesses the second network device through a second network access technology.
  • first network device and the second network device herein are network devices using different wireless access technologies.
  • the first network device is a network device using LTE access technology
  • the second network device is a network device using NR access technology.
  • the first network device determines second indication information, where the second indication information is used to indicate a second time configured by the first network device for the terminal device to send at least one of a PUSCH, PRACH, or SRS signal Unit, the second time unit includes at least one time unit in the time domain unit except the first time unit.
  • the terminal device may send at least one of PUSCH, PRACH, or SRS signals on the second time unit, but cannot send PUCCH on other time units than the first time unit in the second time unit.
  • the second time unit indicated by the second indication information is at least one time unit in the time domain unit.
  • the second time unit indicated by the second indication information is at least one time unit among the time domain units other than the first time unit.
  • FIG. 5 is a relationship diagram between a time domain unit and a time unit.
  • a time domain unit includes multiple time units.
  • the first time unit indicated by the first instruction information is a time unit with padding
  • the second time unit indicated by the second instruction information includes at least one of the time units without padding.
  • the second time unit indicated by the second indication information is at least one of the time units without padding, but the second time unit indicated by the second indication information does not include the time unit in the first time unit.
  • the second indication information configures a time unit in the first indication information that is not configured to send at least one signal of PUSCH, PRACH, or SRS, and is configured to be able to send at least one of PUSCH, PRACH, or SRS. Signal, but the second time unit is not used to send PUCCH.
  • steps S401 and S402 may be arbitrary, or may be performed simultaneously.
  • the first network device sends the first instruction information and the second instruction information to the terminal device, and the terminal device receives the first instruction information and the second instruction information.
  • the first indication information and the second indication information may be sent in one message or may be sent in two pieces of information.
  • the first indication information and the second indication information may be carried in the terminal-specific configuration information and sent by the first network device to the terminal device.
  • the terminal device determines a time unit for transmitting at least one signal of PUSCH, PRACH, or SRS according to the second indication information.
  • the terminal device determines a second time unit according to the second indication information, and the second time unit is a time unit used by the terminal device to send at least one signal of PUSCH, PRACH, or SRS.
  • the terminal device may jointly determine a time unit capable of transmitting at least one signal of PUSCH, PRACH, or SRS according to the first indication information and the second indication information.
  • the terminal device jointly determines, according to the first indication information and the second indication information, that a time unit capable of sending at least one signal of PUSCH, PRACH, or SRS is a union of the first time unit and the second time unit. For example, if the first time unit is sub-frame A, sub-frame B, and sub-frame C, and the second time unit is sub-frame C and sub-frame D, the terminal device determines at least one signal capable of sending PUSCH, PRACH, or SRS as Sub-frame A, sub-frame B, sub-frame C, and sub-frame D.
  • the terminal device determines a time unit for sending a PUCCH according to the first instruction information.
  • steps S404 and S405 may be arbitrary, or may be performed simultaneously.
  • the time domain unit is a frame, and the time unit is a subframe.
  • the embodiment of the present invention adds an indication information on the LTE side to indicate that those subframes that are referenced for uplink and downlink configuration and cannot be sent in uplink can
  • the subframes used for uplink transmission enable the terminal to send PUSCH / PRACH / SRS on these subframes, but cannot send PUCCH.
  • an indication information is added to the first network device to indicate those time units that can be used for uplink transmission among the referenced time units that are configured to be unable to be transmitted upstream, so that the terminal can operate on these time units.
  • the terminal device working in the EN-DC mode can have more uplink subframes on the first network device side, which can improve the spectral efficiency of uplink transmission compared to the prior art.
  • the terminal device cannot send an uplink signal in a time unit other than the first time unit and the second time unit in the time domain unit.
  • the specific form of the second indication information in the foregoing embodiment may be in one of the following ways.
  • the second indication information includes a field of N bits, where N is a positive integer greater than or equal to 1.
  • N corresponds to a time unit.
  • the bit When the bit is the first state value, it indicates that the corresponding time unit can send a PUSCH At least one of the PRACH or SRS signals, when the bit is the second state value, it means that the corresponding time unit cannot send at least one of the PUSCH, PRACH or SRS signals.
  • the N is equal to the number of time units included in the time domain unit, and the N-bit field has a one-to-one correspondence with the time units included in the time domain unit.
  • the first indication information is a field including 10 bits, and each bit of the field corresponds to a subframe in a frame.
  • the i-th bit corresponds to a subframe numbered (i-1), where the value of i is a positive integer from 1 to 10. For example, when the value of the i-th bit is 0, it indicates that the subframe (i-1) is a subframe that cannot send uplink signals, and when the value of the i-th bit is 1, it indicates that the subframe (i-1) is capable of sending uplink signals.
  • the sub-frames can of course also be reversed.
  • the terminal device may directly determine a time unit capable of transmitting at least one signal of PUSCH, PRACH, or SRS according to the second indication information.
  • the N is equal to the number of time units included in the time domain unit minus the number of time units included in the first time unit; the N-bit field and the time domain unit are divided by the first Time units other than one time unit correspond one-to-one.
  • the value of N is equal to the number of subframes in the configuration that cannot be used to send uplink signals.
  • the value of N is equal to 4; when the first indication information indicates configuration 1, the value of N is equal to 6; when the first indication information indicates configuration 2, the value of N is The value is equal to 8; when the first indication indicates configuration 3, the value of N is 7; when the first indication indicates configuration 4, the value of N is equal to 8; when the first indication indicates configuration 5, N The value of is equal to 9; when the first indication information indicates configuration 6, the value of N is equal to 5.
  • the terminal device may jointly determine a time unit capable of transmitting at least one signal of PUSCH, PRACH, or SRS according to the first indication information and the second indication information.
  • the signaling overhead of the second indication information can be reduced while ensuring the flexibility of the time unit configuration.
  • the second indication information is a field capable of indicating M different states, and M is a positive integer greater than or equal to 1, where M is equal to the time domain unit except the first time unit.
  • One of the M states in this field corresponds to a subframe configuration.
  • the value of M is 4, when the first indication information indicates configuration 0, the four states indicated by the second indication information correspond to the subframe states shown in FIGS. 6a-6f, as shown in FIG. 6a, which are marked as
  • the sub-frames of "X" and "Y" are sub-frames whose second indication information is configured to be unable to transmit uplink signals, and those marked with "Y” are configured to be capable of transmitting uplink signals (including PUSCH, PRACH, or SRS) through the first indication information At least one of the signals).
  • the terminal device determines, according to the configuration indicated by the second instruction information, a subframe that can send an uplink signal and / or a subframe that cannot send an uplink signal.
  • the second instruction information indicates configuration 1
  • two of the four states indicated by the first instruction information are available, as shown in FIG. 6b.
  • the second instruction information indicates the configuration 2
  • any one of the four states indicated by the first instruction information indicates the subframe configuration shown in FIG. 6c.
  • the first instruction information indicates configuration 3 two of the four states indicated by the second instruction information are available, as shown in FIG. 6d.
  • any one of the four states indicated by the second instruction information indicates the subframe configuration shown in FIG. 6e.
  • any one of the four states indicated by the second instruction information indicates the subframe configuration shown in FIG. 6f.
  • the method described above can be used, and only some of the states in the second instruction information can be used to indicate the time unit configuration. Whereas the remaining state is a reserved state, multiple states in the second instruction information may also correspond to a time unit configuration, which is not limited in this embodiment.
  • the terminal device may jointly determine a time unit capable of transmitting at least one signal of PUSCH, PRACH, or SRS according to the first indication information and the second indication information.
  • the first indication information is a field capable of indicating two different states.
  • the second indication information needs to indicate at most 4 states, that is, a 2-bit indication field is required for indication.
  • a 2-bit indication field is required for indication.
  • the second indication information only needs to indicate one of state 0 and state 1.
  • the first indication information indicates the configuration 0
  • the second indication information indicates the configuration of the subframe corresponding to the state 0 or the state 1 in FIG. 6a.
  • the first indication information indicates the configuration 1
  • the second indication information indicates the configuration of the subframe corresponding to the state 0 or the state 1 in FIG. 6b.
  • the second indication information indicates the subframe configuration in FIG. 5c.
  • any one of the two states indicated by the second instruction information indicates the subframe configuration shown in FIG. 6c.
  • the two states of the second instruction information correspond to the state 0 and the state 1 in FIG. 6d, respectively.
  • any one of the two states indicated by the second instruction information indicates the subframe configuration shown in FIG. 6e.
  • any one of the two states indicated by the second instruction information indicates the subframe configuration shown in FIG. 6f.
  • the method described above can be used, and only some of the states in the second instruction information can be used to indicate the time unit configuration. Whereas the remaining state is a reserved state, multiple states in the second instruction information may also correspond to a time unit configuration, which is not limited in this embodiment.
  • the signaling overhead of the second indication information can be reduced to the maximum.
  • an embodiment of an information notification method provided by the present invention includes:
  • the first network device determines first indication information, where the first indication information is used to instruct a first time unit configured by the first network device to the terminal device to send a PUCCH, where the first time unit includes a time domain unit At least one time unit.
  • the terminal device accesses the first network device through a first network access technology, and accesses the second network device through a second network access technology.
  • the first time unit can be used to send a PUCCH, but cannot be used to send a PUSCH, PRACH, or SRS.
  • first network device and the second network device herein are network devices using different wireless access technologies.
  • the first network device is a network device using LTE access technology
  • the second network device is a network device using NR access technology.
  • the first network device determines second indication information, where the second indication information is used to indicate a second time configured by the first network device for the terminal device to send at least one of a PUSCH, PRACH, or SRS signal Unit, the second time unit includes at least one time unit in the time domain unit except the first time unit.
  • the terminal device may send at least one of PUSCH, PRACH, or SRS signals on the second time unit, but cannot send PUCCH on other time units than the first time unit in the second time unit.
  • steps S701 and S702 may be arbitrary, or may be performed simultaneously.
  • the first network device sends the first instruction information and the second instruction information to the terminal device, and the terminal device receives the first instruction information and the second instruction information.
  • the first instruction information and the second instruction information are sent through different messages, respectively.
  • the first indication information and the second indication information may be carried in the terminal-specific configuration information and sent by the first network device to the terminal device.
  • the terminal device determines, according to the second indication information, a time unit for sending at least one signal of PUSCH, PRACH, or SRS.
  • the terminal device determines a time unit for sending a PUCCH according to the first instruction information.
  • steps S704 and S705 may be arbitrary, or may be performed simultaneously.
  • the time domain unit is a frame, and the time unit is a subframe.
  • the first time unit for sending PUCCH and the second time unit for sending at least one signal of PUSCH, PRACH, or SRS are respectively configured through different configuration information, which can improve the flexibility of resource configuration.
  • the terminal device cannot send an uplink signal in a time unit other than the first time unit and the second time unit in the time domain unit.
  • the second indication information is a field containing N bits, and N is a positive integer greater than or equal to 1.
  • N corresponds to a time unit.
  • the bit is the first state value, it indicates that the corresponding time unit can be sent.
  • the bit is the second state value, it indicates that the corresponding time unit cannot send at least one signal of PUSCH, PRACH, or SRS.
  • the N is equal to the time domain unit.
  • the number of time units, the N-bit field corresponds to the time domain unit one-to-one.
  • the first indication information is a field including 10 bits, and each bit of the field corresponds to a subframe in a frame.
  • the i-th bit corresponds to a subframe numbered (i-1), where the value of i is a positive integer from 1 to 10. For example, when the value of the i-th bit is 0, it indicates that the subframe (i-1) is a subframe that cannot send uplink signals, and when the value of the i-th bit is 1, it indicates that the subframe (i-1) is capable of sending uplink signals.
  • the sub-frames can of course also be reversed.
  • the present invention further provides an embodiment of an information receiving device.
  • the information receiving device includes:
  • the receiving unit 801 is configured to receive first instruction information and second instruction information sent by a first network device, where:
  • the first indication information is used to indicate a first time unit configured for the information receiving device to send an uplink signal, where the first time unit is at least one time unit in a time domain unit, and the uplink signal includes At least one signal of PUCCH, PUSCH, PRACH or SRS;
  • the second indication information is used to indicate a second time unit configured for the information receiving device to transmit at least one signal of PUSCH, PRACH, or SRS, and the second time unit includes the time domain unit. At least one time unit other than the first time unit.
  • the information receiving apparatus further includes: a processing unit 802, where:
  • the processing unit 802 is configured to determine a time unit for transmitting at least one signal of PUSCH, PRACH, or SRS according to the second indication information; or
  • the processing unit 802 is configured to determine, according to the first instruction information and the second instruction information, a time unit for transmitting at least one signal of a PUSCH, PRACH, or SRS.
  • the information receiving device accesses the first network device through a first network access technology, and accesses the second network device through a second network access technology.
  • the information receiving apparatus may execute the steps in the embodiment corresponding to FIG. 4.
  • the information receiving device is a terminal device.
  • the hardware element of the receiving unit may be a receiver or a transceiver, for example, the transceiver of the terminal device in FIG. 2b and FIG. 3b.
  • the hardware element of the processing unit may be a processor, for example, the LTE processor of the terminal device in FIG. 2b and FIG. 3b.
  • an information receiving device 800 includes:
  • the receiving unit 801 is configured to receive first instruction information and second instruction information sent by a first network device, where:
  • the first indication information is used to indicate a first time unit configured for the information receiving device to send a PUCCH, where the first time unit is at least one time unit in a time domain unit;
  • the second indication information is used to indicate a second time unit configured for the information receiving device to transmit at least one signal of PUSCH, PRACH, or SRS, and the second time unit is at least one of time domain units.
  • a time unit configured for the information receiving device to transmit at least one signal of PUSCH, PRACH, or SRS, and the second time unit is at least one of time domain units.
  • the information receiving device accesses the first network device through a first network access technology, and accesses the second network device through a second network access technology.
  • the information receiving apparatus further includes: a processing unit 802, configured to determine a time unit for sending a PUCCH according to the first instruction information, and determine to use for transmitting at least one signal of PUSCH, PRACH, or SRS according to the second instruction information. Time unit.
  • the information receiving apparatus may execute the steps in the embodiment corresponding to FIG. 7.
  • the function and implementation process of the first instruction information and the second instruction information refer to the method embodiment.
  • the information receiving device is a terminal device.
  • the hardware element of the receiving unit may be a receiver or a transceiver, for example, the transceiver of the terminal device in FIG. 2b and FIG. 3b.
  • the hardware element of the processing unit may be a processor, for example, the LTE processor of the terminal device in FIG. 2b and FIG. 3b.
  • an information sending device 900 includes:
  • the sending unit 901 is configured to send the first instruction information and the second instruction information to the terminal device, where:
  • the first indication information is used to indicate a first time unit configured for the terminal device to send an uplink signal, the first time unit is at least one time unit in a time domain unit, and the uplink signal includes a PUCCH At least one of the following signals: PUSCH, PUSCH, PRACH or SRS;
  • the second indication information is used to indicate a second time unit configured for the terminal device to transmit at least one signal of PUSCH, PRACH, or SRS, where the second time unit includes a time division unit At least one time unit other than the first time unit.
  • the information sending apparatus further includes: a processing unit 902, configured to determine the first indication information and the second indication information.
  • the information receiving apparatus may execute the steps in the embodiment corresponding to FIG. 4.
  • the information receiving apparatus is a first network device.
  • the information receiving apparatus is a network device supporting an LTE access technology.
  • the hardware element of the sending unit may be a receiver or a transceiver, for example, the transceiver of the network device in FIG. 2b and FIG. 3b.
  • the hardware element of the processing unit may be a processor, for example, the LTE processor of the network device in FIG. 2b and FIG. 3b.
  • an information sending apparatus includes:
  • the sending unit 901 is configured to send the first instruction information and the second instruction information to the terminal device, where:
  • the first indication information is used to indicate a first time unit configured for the terminal device to send a PUCCH, where the first time unit is at least one time unit in a time domain unit;
  • the second indication information is used to indicate a second time unit configured for the terminal device to transmit at least one signal of PUSCH, PRACH, or SRS, and the second time unit is at least one of time domain units.
  • Time unit configured for the terminal device to transmit at least one signal of PUSCH, PRACH, or SRS, and the second time unit is at least one of time domain units.
  • the terminal device accesses the first network device through a first network access technology, and accesses the second network device through a second network access technology.
  • the information sending apparatus further includes: a processing unit 902, configured to determine the first instruction information and the second instruction information.
  • the information receiving apparatus is a first network device.
  • the information receiving apparatus is a network device supporting an LTE access technology.
  • the hardware element of the sending unit may be a receiver or a transceiver, for example, the transceiver of the network device in FIG. 2b and FIG. 3b.
  • the hardware element of the processing unit may be a processor, for example, the LTE processor of the network device in FIG. 2b and FIG. 3b.
  • the device 800 or the device 900 may be presented in the form of dividing each functional module in an integrated manner.
  • the "module” herein may refer to a specific ASIC, a circuit, a processor and a storage device executing one or more software or firmware programs, an integrated logic circuit, and / or other devices that can provide the above functions.
  • the apparatus 800 or the apparatus 900 may include: a memory, a processor, and a communication interface.
  • the memory is used to store instructions.
  • the processor executes the instructions stored in the memory, so that the device executes the information notification method provided in the embodiment of the present application.
  • the memory may also be included in the processor.
  • the communication interface may be a circuit, a device, an interface, a bus, a software module, a transceiver, or any other device that can implement communication.
  • the processor may be a field-programmable gate array (FPGA), an application-specific integrated circuit (ASIC), a system chip (SoC), a central processing unit (CPU) ), Network processor (NP), digital signal processor (DSP), microcontroller (microcontroller unit, MCU), programmable controller (programmable logic device, PLD) or Other integrated chips.
  • the memory 701 includes volatile memory (for example, random-access memory (RAM); the memory may also include non-volatile memory (for example, flash memory) , Hard disk (HDD) or solid-state drive (SSD); memory can also include a combination of the above types of memory; memory can also include any other device with a storage function, such as circuits, devices or software Module.
  • volatile memory for example, random-access memory (RAM)
  • non-volatile memory for example, flash memory
  • HDD Hard disk
  • SSD solid-state drive
  • memory can also include a combination of the above types of memory
  • memory can also include any other device with a storage function, such as circuits, devices or software Module.
  • the method and device provided by the embodiments of the present invention can be applied to a terminal device or a network device, and the terminal device or the network device includes a hardware layer, an operating system layer running on the hardware layer, and an application layer running on the operating system layer .
  • This hardware layer includes hardware such as a central processing unit (CPU), a memory management unit (MMU), and a memory (also called main memory).
  • the operating system may be any one or more computer operating systems that implement business processing through processes, such as a Linux operating system, a Unix operating system, an Android operating system, an iOS operating system, or a windows operating system.
  • the application layer includes applications such as browsers, address books, word processing software, and instant messaging software.
  • the embodiment of the present invention does not specifically limit the specific structure of the execution subject of the method provided by the embodiment of the present invention, as long as the program that records the code of the method provided by the embodiment of the present invention can be run to provide the program according to the embodiment of the present invention.
  • the communication may be performed by using the method.
  • the method execution subject provided by the embodiment of the present invention may be a terminal device or a network device, or a function module in the terminal device or the network device that can call a program and execute the program.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
  • the computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be from a website site, computer, server, or data center Transmission by wire (for example, coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (for example, infrared, wireless, microwave, etc.) to another website site, computer, server, or data center.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, a data center, and the like that includes one or more available medium integration.
  • the available medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state disk (Solid State Disk (SSD)), and the like.
  • a magnetic medium for example, a floppy disk, a hard disk, a magnetic tape
  • an optical medium for example, a DVD
  • a semiconductor medium for example, a solid state disk (Solid State Disk (SSD)

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

L'invention concerne un procédé et un appareil de notification d'informations. Le procédé consiste à : ajouter un élément d'informations d'indication au niveau d'un côté premier dispositif de réseau pour indiquer les unités de temps pouvant être utilisées pour un envoi en liaison montante sur des unités de temps qui sont amenées, par une configuration de liaison montante et de liaison descendante, à ne pas permettre un envoi en liaison montante ; et fait appel à un dispositif terminal pouvant envoyer un PUSCH/PRACH/SRS sur ces unités de temps, mais ne pouvant pas envoyer de PUCCH. Le dispositif terminal fonctionnant dans un mode EN-DC peut par conséquent disposer de davantage de sous-trames de liaison montante au niveau d'un côté premier dispositif de réseau, ce qui permet d'améliorer le rendement spectral de transmission en liaison montante.
PCT/CN2018/108486 2018-09-28 2018-09-28 Procédé et appareil de notification d'informations WO2020062100A1 (fr)

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CN201980063493.4A CN112771963B (zh) 2018-09-28 2019-03-29 一种信息通知的方法和装置
PCT/CN2019/080358 WO2020062815A1 (fr) 2018-09-28 2019-03-29 Procédé et appareil de notification d'informations

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