WO2024099190A1 - Procédé et appareil d'indication de capacité, terminal, dispositif côté réseau, et support d'enregistrement lisible - Google Patents

Procédé et appareil d'indication de capacité, terminal, dispositif côté réseau, et support d'enregistrement lisible Download PDF

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Publication number
WO2024099190A1
WO2024099190A1 PCT/CN2023/128651 CN2023128651W WO2024099190A1 WO 2024099190 A1 WO2024099190 A1 WO 2024099190A1 CN 2023128651 W CN2023128651 W CN 2023128651W WO 2024099190 A1 WO2024099190 A1 WO 2024099190A1
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WIPO (PCT)
Prior art keywords
ntn
capability
terminal
dmrs
target
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PCT/CN2023/128651
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English (en)
Chinese (zh)
Inventor
蔡建生
林志鹏
王勇
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维沃移动通信有限公司
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Publication of WO2024099190A1 publication Critical patent/WO2024099190A1/fr

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  • the present application belongs to the field of communication technology, and specifically relates to a capability indication method, apparatus, terminal, network-side equipment, and readable storage medium.
  • DMRS demodulation reference signal
  • TDW Time Domain Window
  • the terminal needs to report the capability to indicate whether it supports the ability to restart DMRS bundling (i.e. restart an actual time window actual TDW) after a semi-static event or dynamic event.
  • the embodiments of the present application provide a capability indication method, apparatus, terminal, network-side equipment and readable storage medium, which can solve the problem of how to report whether the terminal supports the ability to re-bundle DMRS under NTN and TN when the terminal supports access to TN and NTN for communication.
  • a capability indication method which is applied to a terminal, and the method includes: the terminal sends target indication information to a network side device, and the target indication information indicates whether the terminal supports the capability of re-DMRS bundling in a target network, and the target network includes at least one of the following: NTN, terrestrial network TN.
  • the terminal accesses NTN, or the target network includes NTN.
  • a capability indication device comprising: a sending module.
  • the sending module is used to send target indication information to a network side device, the target indication information indicating whether the capability indication device supports the ability to re-bundle DMRS in a target network, the target network including at least one of the following: NTN, terrestrial network TN.
  • the capability indication device is connected to NTN, or the target network includes NTN.
  • a capability indication method is provided, which is applied to a network side device, and the method includes: the network side device receives target indication information from a terminal, and the target indication information indicates whether the terminal supports the capability of re-DMRS bundling in a target network, and the target network includes at least one of the following: NTN, TN; the network side device determines whether the terminal supports the capability of re-DMRS bundling in the target network according to the target indication information.
  • the terminal accesses NTN, or the target network includes NTN.
  • a capability indication device comprising: a receiving module and a determining module.
  • the receiving module is used to receive target indication information from a terminal, the target indication information indicating whether the terminal supports the capability of re-DMRS bundling in a target network, and the target network includes at least one of the following: NTN, TN.
  • the determining module is used to determine whether the terminal supports the capability of re-DMRS bundling in the target network according to the target indication information received by the receiving module.
  • the terminal accesses NTN, or the target network includes NTN.
  • a terminal comprising a processor and a memory, wherein the memory stores a program or instruction that can be run on the processor, and when the program or instruction is executed by the processor, the steps of the method described in the first aspect are implemented.
  • a terminal including a processor and a communication interface, wherein the communication interface is used to send target indication information to a network side device, the target indication information indicating whether the terminal supports the ability to re-bundle DMRS in a target network, and the target network includes at least one of the following: NTN, terrestrial network TN.
  • the terminal accesses NTN, or the target network includes NTN.
  • a network side device which includes a processor and a memory, wherein the memory stores programs or instructions that can be run on the processor, and when the program or instructions are executed by the processor, the steps of the method described in the third aspect are implemented.
  • a network side device including a processor and a communication interface, wherein the communication interface is used to receive target indication information from a terminal, the target indication information indicating whether the terminal supports the ability to re-bundle DMRS in a target network, and the target network includes at least one of the following: NTN, TN; the processor is used to determine whether the terminal supports the ability to re-bundle DMRS in the target network according to the target indication information.
  • the terminal accesses NTN, or the target network includes NTN.
  • a capability indication system comprising: a terminal and a network side device, wherein the terminal can be used to execute the steps of the method described in the first aspect, and the network side device can be used to execute the steps of the method described in the third aspect.
  • a readable storage medium on which a program or instruction is stored.
  • the program or instruction is executed by a processor, the steps of the method described in the first aspect are implemented, or the steps of the method described in the third aspect are implemented.
  • a chip comprising a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run a program or instructions to implement the steps of the method described in the first aspect, or to implement the method described in the third aspect.
  • a computer program/program product is provided, wherein the computer program/program product is stored in a storage In the storage medium, the computer program/program product is executed by at least one processor to implement the steps of the method described in the first aspect, or to implement the method described in the third aspect.
  • the terminal may send target indication information to the network side device indicating whether the terminal supports the ability to re-bundle DMRS in the target network (i.e., at least one of NTN and TN); wherein the terminal accesses NTN, or the target network includes NTN.
  • the target network i.e., at least one of NTN and TN
  • the terminal may send target indication information to the network side device to indicate to the network side device whether the terminal supports the ability to re-bundle DMRS in at least one of NTN and TN
  • the problem of how to report whether the terminal supports the ability to re-bundle DMRS in NTN and TN when the terminal can access TN and NTN for communication can be solved, so that the network side device can determine the method of performing joint channel estimation on the uplink channel sent by the terminal according to whether the terminal supports the ability to re-bundle DMRS in at least one of NTN and TN. In this way, the performance of the uplink channel sent by the terminal can be improved.
  • FIG1 is a block diagram of a wireless communication system provided in an embodiment of the present application.
  • FIG2 is a flow chart of a capability indication method according to an embodiment of the present application.
  • FIG3 is a second flow chart of the capability indication method provided in an embodiment of the present application.
  • FIG4 is a third flow chart of the capability indication method provided in an embodiment of the present application.
  • FIG5 is a schematic diagram of a structure of a capability indication device according to an embodiment of the present application.
  • FIG6 is a second schematic diagram of the structure of the capability indication device provided in an embodiment of the present application.
  • FIG7 is a schematic diagram of the structure of a communication device provided in an embodiment of the present application.
  • FIG8 is a schematic diagram of the hardware structure of a terminal provided in an embodiment of the present application.
  • FIG. 9 is a schematic diagram of the hardware structure of a network-side device provided in an embodiment of the present application.
  • the terminal re-bundles DMRS
  • the network side device can configure a nominal time window nominal TDW for the terminal, so that when the terminal sends multiple uplink channels to the network side device, it may enable DMRS bundling, so that the terminal can map DMRS in one of the multiple uplink channels, and maintain the phase continuity and power consistency of the uplink channel in the nominal TDW, so that the network side device can perform joint channel estimation on the multiple uplink channels according to the DMRS mapped to the one uplink channel.
  • the size of the network-configured nominal TDW is continuously divided into one or more nominal TDWs within the duration of the uplink transmission.
  • the terminal can divide a nominal TDW into or multiple actual time windows Actual TDW, and enable DMRS bundling in each Actual TDW, so that the network side device can perform joint channel estimation on the uplink channel corresponding to each Actual TDW.
  • the terminal has the ability to restart a new Actual TDW after the phase continuity or power consistency is destroyed due to a semi-static event, that is, the terminal can be assumed to have the ability to re-DMRS bundling after the phase continuity or power consistency is destroyed due to a semi-static event.
  • the terminal does not have the ability to restart a new Actual TDW after a dynamic event occurs that destroys phase continuity or power consistency, it will not restart a new Actual TDW after the dynamic event occurs until the end of the current nominal TDW. In other words, the terminal will not re-perform DMRS bundling after the dynamic event occurs until the end of the current nominal TDW.
  • the terminal will restart a new Actual TDW after the dynamic event occurs until the next dynamic event (or semi-static event) occurs or the current nominal TDW ends.
  • Dynamic events are events triggered by Downlink Control Information (DCI) or Media Access Control (MAC) Control Element (CE) that disrupt the phase continuity or power consistency within the TDW. Dynamic events do not include configuring frequency hopping transmission.
  • DCI Downlink Control Information
  • MAC Media Access Control
  • CE Control Element
  • the dynamic event may include: the terminal receives a DCI, where the DCI carries a configuration for configuring the terminal to adjust power.
  • Semi-static events refer to events that destroy the phase continuity and/or power consistency within the TDW, except for dynamic events.
  • Semi-static events are mainly configured by system messages or Radio Resource Control (RRC) parameters, such as configuring frequency hopping transmission, configuring two Physical Uplink Shared Channel (PUSCH) repeated transmissions to use different Semi-Persistent Scheduling (SPS) resource set associations, configuring two PUCCH repeated transmissions to use different Spatial Relations or Power Control Parameters, etc.
  • RRC Radio Resource Control
  • first, second, etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the terms used in this way are interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by “first” and “second” are generally of the same type, and the number of objects is not limited.
  • the first object can be one or more.
  • “and/or” in the specification and claims represents at least one of the connected objects, and the character “/" generally represents that the objects associated with each other are in an "or” relationship.
  • the present invention relates to a wireless communication system comprising: a wireless communication system including a wireless communication network, a wireless communication system with a wireless transmission rate of 400 MHz and a wireless transmission rate of 500 MHz.
  • a wireless communication system comprising: a wireless communication system including a wireless communication system with a wireless transmission rate of 400 MHz and a wireless transmission rate of 500 MHz.
  • the present invention relates to a wireless communication system including: ...
  • FIG1 shows a block diagram of a wireless communication system applicable to an embodiment of the present application.
  • the wireless communication system includes a terminal 11 and a network side device 12 .
  • the terminal 11 can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a handheld computer, a netbook, an ultra-mobile personal computer (ultra-mobile personal computer, UMPC), a mobile Internet device (Mobile Internet Device, MID), augmented reality (augmented reality, AR)/virtual reality (virtual reality, VR) equipment, a robot, a wearable device (Wearable Device), a vehicle-mounted device (VUE), a pedestrian terminal (PUE), a smart home (home appliances with wireless communication functions, such as refrigerators, televisions, washing machines or furniture, etc.), a game console, a personal computer (personal computer, PC), an ATM or a self-service machine and other terminal side devices, and the wear
  • the network side device 12 may include an access network device or a core network device, wherein the access network device 12 may also be referred to as a radio access network device, a radio access network (RAN), a radio access network function or a radio access network unit.
  • the access network device 12 may include a base station, a WLAN access point or a WiFi node, etc.
  • the base station may be referred to as a node B, an evolved node B (eNB), an access point, a base transceiver station (BTS), a radio base station, a radio transceiver, a basic service set (BSS), an extended service set (ESS), a home B node, a home evolved B node, a transmitting and receiving point (TRP) or other appropriate terms in the field, as long as the same technical effect is achieved, the base station is not limited to a specific technical vocabulary, it should be noted that in the embodiment of the present application, only the base station in the NR system is used as an example for introduction, and the specific type of the base station is not limited.
  • DMRS bundling can be enabled.
  • the terminal then maintains phase continuity and power consistency within the TDW corresponding to the transmission of the multiple uplink channels, so that the network-side device can estimate/infer/obtain channel information for other uplink channel transmissions based on the DMRS mapped to the one uplink channel.
  • the network-side device can then perform joint channel estimation on the multiple uplink channels to obtain better channel estimation accuracy, improve the receiving performance of the network-side device, and achieve the effect of improving coverage capability.
  • the terminal may send indication information to the network side device indicating whether the terminal supports the ability to re-bundle DMRS in at least one of the networks NTN and TN; wherein the terminal accesses NTN, or the capability indicated by the indication information includes whether the terminal supports the ability to re-bundle DMRS in NTN.
  • the terminal may send target indication information to the network side device to indicate to the network side device whether the terminal supports the ability to re-bundle DMRS in at least one of the networks NTN and TN
  • the problem of how to report the ability of the terminal to re-bundle DMRS in NTN and TN when the terminal can access TN and NTN for communication can be solved, so that the network side device can determine the method of performing joint channel estimation on the uplink channel sent by the terminal according to whether the terminal supports the ability to re-bundle DMRS in at least one of the networks NTN and TN, thereby improving the performance of the uplink channel sent by the terminal.
  • Fig. 2 shows a flow chart of a capability indication method provided by an embodiment of the present application.
  • the capability indication method provided by an embodiment of the present application may include the following step 101.
  • Step 101 The terminal sends target indication information to a network side device.
  • the above-mentioned target indication information indicates whether the terminal supports the capability of re-DMRS bundling in the target network
  • the above-mentioned target network includes at least one of the following: non-terrestrial networks (Non-Terrestrial Networks, NTN) and terrestrial networks (Terrestrial Networks, TN).
  • the network side device may be a network side device corresponding to NTN, or a network side device corresponding to TN.
  • the terminal accesses the NTN, or the target network includes the NTN.
  • the target network may include at least one of NTN and TN; or, when the terminal accesses TN (that is, the network side device is a network side device corresponding to TN), the target network includes NTN.
  • the terminal may send RRC signaling to a network side device, where the RRC signaling includes target indication information.
  • whether the terminal supports the ability to re-bundle DMRS in the target network may be any of the following:
  • DMRS re-bundling is not supported in the target network.
  • the terminal when the terminal supports re-DMRS bundling in the target network, the terminal can, when receiving configuration signaling (the configuration signaling is used to configure a specific event), restart a new Actual TDW at the effective time of the configuration signaling, and re-DMRS bundling in the uplink channel between the start time of the new Actual TDW and the end time of the current nominal TDW (or the next specific time).
  • the specific event can be a semi-static event in the following embodiments, and/or a dynamic event.
  • current nominal TDW can be understood as: the nominal TDW at which the configuration signaling takes effect.
  • the terminal can maintain the phase continuity and power consistency of the uplink channel from the start time of the new Actual TDW to the end time of the current nominal TDW (or the next specific time), so that the network side device can estimate/infer/obtain the channel information for other uplink channel transmissions based on the DMRS mapped by an uplink channel, so that the network side device can perform joint channel estimation on multiple uplink channels.
  • the terminal will not restart a new Actual TDW, but end the previous Actual TDW until the next dynamic event (or semi-static event) occurs or the current nominal TDW ends.
  • whether the terminal supports the capability of re-DMRS bundling under NTN and whether the terminal supports the capability of re-DMRS bundling under TN may be the same or different.
  • the target network can be TN, that is, the target indication information indicates that the terminal can report that the terminal supports DMRS re-bundling under TN, so that the network side device can determine that the terminal supports DMRS re-bundling under NTN based on the terminal's support for DMRS re-bundling under TN, that is, the terminal can reuse the capability indication (that is, the target indication information) under TN.
  • the target network may be at least one of NTN and TN, that is, the terminal may relatively independently report whether the terminal supports the capability of DMRS re-bundling under NTN and whether the terminal supports the capability of DMRS re-bundling under TN.
  • the target network when the terminal accesses the NTN, the target network includes the NTN.
  • the terminal can report to the network side device whether the terminal supports the ability of re-DMRS bundling under NTN.
  • the terminal when the terminal accesses NTN, the terminal can report to the network side device whether the terminal supports the ability of re-DMRS bundling under NTN and TN, so that the network side device can determine whether the terminal supports the ability of re-DMRS bundling under TN, and then the network side device can determine whether the terminal is suitable for switching to TN, so that the terminal can access a suitable network.
  • the target network when the terminal accesses a TN, the target network includes an NTN.
  • the terminal when the terminal is connected to TN, the terminal can report to the network side device whether the terminal supports the ability of re-DMRS bundling under NTN.
  • the terminal can report to the network side device whether the terminal supports the ability to re-DMRS bundling under NTN, so that the network side device can determine whether the terminal supports the ability to re-DMRS bundling under NTN, and then the network side device can determine whether the terminal is suitable for switching to NTN, so that the terminal can access a suitable network.
  • the terminal can send target indication information to the network side device to indicate whether the terminal supports the capability of re-DMRS bundling in the target network (i.e., at least one of NTN and TN); wherein the terminal accesses NTN, or the target network includes NTN.
  • the target network i.e., at least one of NTN and TN
  • the terminal can send target indication information to the network side device to indicate to the network side device whether the terminal supports the capability of re-DMRS bundling in at least one of NTN and TN
  • the problem of how to report whether the terminal supports the capability of re-DMRS bundling in NTN and TN when the terminal can access TN and NTN for communication can be solved, so that the network side device can determine the method of performing joint channel estimation on the uplink channel sent by the terminal according to whether the terminal supports the capability of re-DMRS bundling in at least one of NTN and TN. In this way, the performance of the uplink channel sent by the terminal can be improved.
  • the capability of supporting re-DMRS bundling includes at least one of the following:
  • the terminal when the terminal supports re-DMRS bundling after a semi-static event occurs in the target network, the terminal can restart a new Actual TDW at the time of occurrence of the semi-static event, and re-DMRS bundling in the uplink channel between the start time of the new Actual TDW and the end time of the current nominal TDW (or the time of occurrence of the next semi-static event).
  • the terminal when the terminal receives configuration signaling from the network side device, the terminal can identify the event identifier in the configuration signaling, and when it is identified that the event identifier indicates a semi-static event, the terminal can determine the effective time of the configuration signaling as the time when the semi-static event occurs, so that the terminal can restart a new Actual TDW at the time when the semi-static event occurs.
  • the terminal when the terminal supports re-DMRS bundling after the occurrence of a dynamic event in the target network, the terminal can restart a new Actual TDW at the time of the occurrence of the dynamic event, and re-DMRS bundling in the uplink channel between the start time of the new Actual TDW and the end time of the current nominal TDW (or the time of occurrence of the next dynamic event).
  • the terminal when the terminal receives a configuration signaling from a network side device, the terminal can identify the event identifier in the configuration signaling, and when it is identified that the event identifier indicates a dynamic event, the terminal can determine the effective time of the configuration signaling as the time when the dynamic event occurs, so that the terminal can restart a new Actual TDW at the time when the dynamic event occurs.
  • the terminal accesses NTN; the above-mentioned target network is TN; the capability indicated by the target indication information is used to determine whether the terminal supports the ability to re-bundle DMRS after a dynamic event occurs under NTN.
  • the terminal when the terminal can access NTN and TN, the terminal can reuse the capability identification bit of the capability indication (i.e., the target indication information) under TN, that is, the capability indication under TN can be sent to the network side device to indicate whether the terminal supports re-DMRS after the dynamic event occurs under NTN and TN. Bundling capabilities.
  • the capability identification bit of the capability indication i.e., the target indication information
  • the capability indication under TN can be sent to the network side device to indicate whether the terminal supports re-DMRS after the dynamic event occurs under NTN and TN. Bundling capabilities.
  • whether the terminal supports the ability to re-bundle DMRS after a dynamic event occurs under NTN is the same as whether the terminal supports the ability to re-bundle DMRS after a dynamic event occurs under TN.
  • the terminal if the target indication information indicates that the terminal supports re-DMRS bundling after a dynamic event occurs under TN, the terminal also supports re-DMRS bundling after a dynamic event occurs under NTN.
  • the terminal when the terminal can access NTN and TN, it can be assumed that the terminal supports re-DMRS bundling after a semi-static event occurs under NTN or TN.
  • the terminal supports re-DMRS bundling as a mandatory function of the terminal under NTN or TN after a semi-static event occurs. That is, after a semi-static event occurs, the terminal can restart a new Actual TDW and re-DMRS bundling in the uplink channel between the start time of the new Actual TDW and the end time of the current nominal TDW (or the time when the next semi-static event occurs).
  • the terminal since it reports whether it supports the ability to re-DMRS bundling after a dynamic event occurs under TN, it is possible to determine whether the terminal supports the ability to re-DMRS bundling after a dynamic event occurs under NTN, without the need for the terminal to report whether it supports the ability to re-DMRS bundling after a dynamic event occurs under NTN and TN. Therefore, the number of times the terminal reports the capability can be reduced, thus saving reporting resources.
  • the terminal defaults to supporting re-DMRS bundling after a semi-static event occurs under NTN.
  • the terminal when the terminal can access NTN and TN, the terminal can assume that the terminal supports re-DMRS bundling after a semi-static event occurs under NTN.
  • the target indication information indicates that the terminal supports re-DMRS bundling after a dynamic event occurs under the target network, it can be considered that the terminal supports re-DMRS bundling after a dynamic event occurs under NTN and/or TN; if the target indication information indicates that the terminal does not support re-DMRS bundling after a dynamic event occurs under the target network, it can be considered that the terminal does not support re-DMRS bundling after a dynamic event occurs under NTN and/or TN.
  • the terminal can only indicate to the network side device whether the terminal supports the ability to re-DMRS bundling after a dynamic event occurs under the target network. Therefore, the data amount of the target indication information can be reduced.
  • the target network includes NTN; the target indication information indicates whether the terminal supports the ability to re-bundle DMRS after a dynamic event occurs under NTN.
  • the target network when the terminal accesses NTN, the target network includes NTN, and the target indication information indicates whether the terminal supports the ability to re-bundle DMRS after a dynamic event occurs under NTN.
  • whether the terminal supports the ability to re-DMRS bundling under NTN is whether the terminal supports the ability to re-DMRS bundling after a dynamic event occurs under NTN, and the terminal can independently indicate whether the terminal supports the ability to re-DMRS bundling under NTN and TN. of.
  • the terminal can independently report to the network side device whether the terminal supports the ability of re-DMRS bundling under NTN, the flexibility of the terminal in reporting the terminal capabilities to the network side device can be improved.
  • the target network includes NTN; the target indication information includes any one of the following: a first capability level, a second capability level, and a third capability level.
  • the first capability level indicates that the terminal does not support re-DMRS bundling after a semi-static event occurs under NTN, and does not support re-DMRS bundling after a dynamic event occurs;
  • the terminal does not support re-DMRS bundling after a semi-static event and/or a dynamic event occurs until the current nominal TDW ends.
  • the above-mentioned second capability level indicates that the terminal supports re-DMRS bundling after a semi-static event occurs under NTN, and does not support re-DMRS bundling after a dynamic event occurs.
  • the terminal can re-perform DMRS bundling after a semi-static event occurs; however, after a dynamic event occurs, re-DMRS bundling is not supported until the next dynamic event (or semi-static event) occurs or the current nominal TDW ends.
  • the above-mentioned third capability level indicates that the terminal supports re-DMRS bundling after a semi-static event occurs under NTN, and supports re-DMRS bundling after a dynamic event occurs.
  • the terminal can re-perform DMRS bundling after a semi-static event occurs, and can re-perform DMRS bundling after a dynamic event occurs.
  • each capability level among the first capability level, the second capability level and the third capability level indicates whether the terminal supports the capability of re-DMRS bundling after a semi-static event occurs and the capability of re-DMRS bundling after a dynamic event occurs under NTN, that is, each capability level indicates multiple capabilities of the terminal under NTN
  • the terminal can report multiple capabilities of the terminal under NTN by reporting any one capability level among the first capability level, the second capability level and the third capability level, without separately reporting each capability of the terminal under NTN, thereby saving reporting resources.
  • Fig. 3 shows a flow chart of a capability indication method provided by an embodiment of the present application.
  • the capability indication method provided by an embodiment of the present application may include the following steps 201 and 202.
  • Step 201 A network-side device receives target indication information from a terminal.
  • the above-mentioned target indication information indicates whether the terminal supports the capability of re-DMRS bundling under the target network
  • the target network includes at least one of the following: NTN, TN.
  • the network side device may be a network side device corresponding to NTN, or a network side device corresponding to TN.
  • the terminal accesses the NTN, or the target network includes the NTN.
  • the network side device may receive RRC signaling from the terminal, where the RRC signaling includes target indication information.
  • the target network when the terminal accesses NTN, the target network includes NTN and TN.
  • the terminal when the terminal accesses NTN, the terminal can report to the network side device whether the terminal supports the ability of re-DMRS bundling under NTN and TN, so that the network side device can determine whether the terminal supports the ability of re-DMRS bundling under TN, and then the network side device can determine whether the terminal is suitable for switching to TN, so that the terminal can access a suitable network.
  • the target network when the terminal accesses a TN, the target network includes an NTN.
  • the terminal when the terminal accesses TN, the terminal can report to the network side device whether the terminal supports the ability of re-DMRS bundling under NTN, so that the network side device can determine whether the terminal supports the ability of re-DMRS bundling under NTN, and then the network side device can determine whether the terminal is suitable for switching to NTN, so that the terminal can access a suitable network.
  • Step 202 The network-side device determines whether the terminal supports the capability of re-DMRS bundling in the target network based on the target indication information.
  • the network side device can directly determine the capability indicated by the target indication information as whether the terminal supports the ability to re-bundle DMRS under NTN.
  • the network side device may determine whether the terminal supports the capability of re-DMRS bundling under TN as indicated by the target indication information as whether the terminal supports the capability of re-DMRS bundling under NTN, and whether the terminal supports the capability of re-DMRS bundling under TN.
  • the network side device when the terminal supports re-DMRS bundling in the target network, can determine the effective time of the configuration signaling when sending a configuration signaling to the terminal (the configuration signaling is used to configure a specific event) to determine a new Actual TDW for the terminal to restart, so that the network side device can perform joint channel estimation on the uplink channel between the start time of the new Actual TDW and the end time of the current nominal TDW (or the next specific time).
  • the specific event can be a semi-static event in the following embodiments, and/or a dynamic event.
  • the network side device may perform joint channel estimation on the uplink channel transmitted by the terminal.
  • a network side device can receive target indication information from a terminal indicating whether the terminal supports the capability of re-performing DMRS bundling in a target network (i.e., at least one of NTN and TN), and determine whether the terminal has the capability of re-performing DMRS bundling in the target network based on the target indication information; wherein the terminal accesses NTN, or the target network includes NTN.
  • a target network i.e., at least one of NTN and TN
  • the network side device can receive the target indication information from the terminal and determine whether the terminal supports the capability of re-performing DMRS bundling in at least one of NTN and TN, the problem of how to report whether the terminal has the capability of re-performing DMRS bundling in NTN and TN when the terminal can access TN and NTN for communication can be solved, so that the network side device can determine the capability of sending to the terminal based on whether the terminal supports the capability of re-performing DMRS bundling in at least one of NTN and TN.
  • the uplink channel performs joint channel estimation, so that the performance of the terminal sending the uplink channel can be improved.
  • whether the capability of re-DMRS bundling is supported may include at least one of the following:
  • the terminal accesses NTN; the target network is TN.
  • the step 202 can be implemented by the following step 202a.
  • Step 202a The network-side device determines the capability indicated by the target indication information as whether the terminal supports the capability of re-DMRS bundling after a dynamic event occurs under the NTN.
  • the network side equipment can determine whether the terminal supports the ability of re-DMRS bundling after the occurrence of a dynamic event under NTN based on whether the terminal supports the ability of re-DMRS bundling after the occurrence of a dynamic event under TN, there is no need for the terminal to report whether the terminal supports the ability of re-DMRS bundling after the occurrence of a dynamic event under NTN and TN. Therefore, the number of times the terminal reports the capability can be reduced, thus saving reporting resources.
  • the network side device defaults to the terminal supporting re-DMRS bundling after a semi-static event occurs under NTN.
  • the terminal can only indicate to the network side device whether the terminal supports the ability to re-DMRS bundling after a dynamic event occurs under the target network. Therefore, the data amount of the target indication information can be reduced.
  • the target network includes NTN.
  • the target indication information indicates whether the terminal supports the ability to re-bundle DMRS after a dynamic event occurs under NTN.
  • the network side device can determine whether the terminal supports the ability to re-bundle DMRS under NTN after a dynamic event occurs based on the capabilities of the terminal under NTN indicated by the target indication information, and determine whether the terminal supports the ability to re-bundle DMRS under TN based on the capabilities indicated by the target indication information.
  • the target network includes NTN; the target indication information includes any one of the following: a first capability level, a second capability level, and a third capability level.
  • the step 202 can be implemented by any one of the following steps 202b to 202d.
  • Step 202b When the target indication information includes the first capability level, the network side device determines that the terminal does not support re-DMRS bundling after a semi-static event occurs under the NTN, and does not support re-DMRS bundling after a dynamic event occurs.
  • Step 202c When the target indication information includes the second capability level, the network side device determines that the terminal supports re-DMRS bundling after a semi-static event occurs under the NTN, and does not support re-DMRS bundling after a dynamic event occurs.
  • Step 202d When the target indication information includes the third capability level, the network side device determines that the terminal is in the NTN The following supports re-DMRS bundling after a semi-static event occurs, and supports re-DMRS bundling after a dynamic event occurs.
  • the capability indication method provided in the embodiment of the present application may be executed by a capability indication device.
  • the capability indication device provided in the embodiment of the present application is described by taking the capability indication method executed by the capability indication device as an example.
  • Fig. 5 shows a schematic diagram of the structure of a capability indication device provided in an embodiment of the present application.
  • a capability indication device 50 provided in an embodiment of the present application may include: a sending module 51 .
  • the sending module 51 is used to send target indication information to the network side device, and the target indication information indicates whether the capability indication device 50 supports the capability of re-DMRS bundling in the target network, and the target network includes at least one of the following: NTN, TN.
  • the capability indication device 50 is connected to NTN, or the target network includes NTN.
  • the above-mentioned ability to support re-DMRS bundling includes at least one of the following: whether the ability to support re-DMRS bundling after a semi-static event occurs; whether the ability to support re-DMRS bundling after a dynamic event occurs.
  • the capability indication device 50 is connected to the NTN; the target network is the TN; the capability indicated by the target capability indication information is used to determine whether the capability indication device 50 supports the ability to re-bundle DMRS after a dynamic event occurs under the NTN.
  • the capability indication device 50 defaults to supporting re-DMRS bundling after a semi-static event occurs under NTN.
  • the target network includes NTN; the target indication information indicates whether the capability indication device 50 supports the capability of re-bundling DMRS after a dynamic event occurs under NTN.
  • the target network includes NTN;
  • the target indication information includes any one of the following: a first capability level, a second capability level, and a third capability level.
  • the first capability level indicates that the capability indication device 50 does not support DMRS re-bundling after a semi-static event occurs under NTN, and does not support DMRS re-bundling after a dynamic event occurs;
  • the second capability level indicates that the capability indication device 50 supports DMRS re-bundling after a semi-static event occurs under NTN, and does not support DMRS re-bundling after a dynamic event occurs;
  • the third capability level indicates that the capability indication device 50 supports DMRS re-bundling after a semi-static event occurs under NTN, and supports DMRS re-bundling after a dynamic event occurs.
  • the target network when the capability indication device 50 is connected to the NTN, the target network includes the NTN; when the capability indication device 50 is connected to the TN, the target network includes the NTN.
  • the capability indication device provided in the embodiment of the present application can send target indication information to the network side device to indicate to the network side device whether the capability indication device supports the ability of re-DMRS bundling in at least one of the NTN and TN networks. Therefore, when the capability indication device can access the TN and the NTN for communication, the problem of how to report whether the capability indication device supports the ability of re-DMRS bundling in the NTN and the TN can be solved. Therefore, the network side device can determine to perform joint signaling on the uplink channel sent by the capability indication device according to whether the capability indication device supports the ability of re-DMRS bundling in at least one of the NTN and the TN networks. The channel estimation method is adopted, so that the performance of the capability indication device in sending the uplink channel can be improved.
  • the capability indication device in the embodiment of the present application may be an electronic device, such as an electronic device with an operating system, or a component in an electronic device, such as an integrated circuit or a chip.
  • the electronic device may be a terminal, or may be other devices other than a terminal.
  • the terminal may include but is not limited to the types of terminal 11 listed above, and other devices may be servers, network attached storage (NAS), etc., which are not specifically limited in the embodiment of the present application.
  • the capability indication device provided in the embodiment of the present application can implement each process implemented by the method embodiment of Figure 2 and achieve the same technical effect. To avoid repetition, it will not be described here.
  • FIG6 shows a schematic diagram of the structure of a capability indication device provided in an embodiment of the present application.
  • a capability indication device 60 provided in an embodiment of the present application may include: a receiving module 61 and a determining module 62.
  • the receiving module 61 is used to receive target indication information from a terminal, and the target indication information indicates whether the terminal supports the capability of re-DMRS bundling in a target network, and the target network includes at least one of the following: NTN, TN.
  • the determining module 62 is used to determine whether the terminal supports the capability of re-DMRS bundling in a target network according to the target indication information received by the receiving module 61.
  • the terminal accesses NTN, or the target network includes NTN.
  • the ability to support DMRS re-bundling includes at least one of the following: whether the ability to support DMRS re-bundling after a semi-static event occurs; whether the ability to support DMRS re-bundling after a dynamic event occurs.
  • the terminal accesses NTN; the target network is TN.
  • the determination module 62 is specifically used to determine the capability indicated by the target indication information as whether the terminal supports the capability of re-DMRS bundling after a dynamic event occurs under NTN.
  • the capability indication device 60 defaults to the terminal supporting re-DMRS bundling after a semi-static event occurs under NTN.
  • the target network includes NTN; the target indication information indicates whether the terminal supports the ability to re-bundle DMRS after a dynamic event occurs under NTN.
  • the target network includes NTN; the target indication information includes any one of the following: a first capability level, a second capability level, and a third capability level.
  • the determination module 62 is specifically used for any one of the following: when the target indication information includes the first capability level, determining that the terminal does not support DMRS re-bundling after a semi-static event occurs under NTN, and does not support DMRS re-bundling after a dynamic event occurs; when the target indication information includes the second capability level, determining that the terminal supports DMRS re-bundling after a semi-static event occurs under NTN, and does not support DMRS re-bundling after a dynamic event occurs; when the target indication information includes the third capability level, determining that the terminal supports DMRS re-bundling after a semi-static event occurs under NTN, and supports DMRS re-bundling after a dynamic event occurs.
  • the target network when the terminal accesses NTN, the target network includes NTN and TN; when the terminal accesses TN, the target network includes NTN.
  • the capability indication device provided in the embodiment of the present application can receive target indication information from the terminal and determine whether the terminal supports the capability of re-DMRS bundling in at least one of the networks NTN and TN. Therefore, when the terminal can access TN and NTN for communication, the problem of how to report whether the terminal has the capability of re-DMRS bundling in NTN and TN can be solved. Therefore, the capability indication device can determine the method of performing joint channel estimation on the uplink channel sent by the terminal according to whether the terminal supports the capability of re-DMRS bundling in at least one of the networks NTN and TN. In this way, the performance of the uplink channel sent by the terminal can be improved.
  • the capability indication device in the embodiment of the present application may be an electronic device, such as an electronic device with an operating system, or a component in an electronic device, such as an integrated circuit or a chip.
  • the electronic device may be a terminal, or may be other devices other than a terminal.
  • the terminal may include but is not limited to the types of terminal 11 listed above, and other devices may be servers, network attached storage (NAS), etc., which are not specifically limited in the embodiment of the present application.
  • the capability indication device provided in the embodiment of the present application can implement the various processes implemented by the method embodiments of Figures 3 and 4 and achieve the same technical effect. To avoid repetition, it will not be described here.
  • an embodiment of the present application further provides a communication device 70, including a processor 71 and a memory 72, wherein the memory 72 stores a program or instruction that can be run on the processor 71.
  • the communication device 70 is a terminal
  • the program or instruction is executed by the processor 71 to implement the various steps of the above-mentioned capability indication method embodiment, and can achieve the same technical effect.
  • the communication device 70 is a network side device
  • the program or instruction is executed by the processor 71 to implement the various steps of the above-mentioned capability indication method embodiment, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • the embodiment of the present application also provides a terminal, including a processor and a communication interface, the communication interface is used to send target indication information to the network side device, the target indication information indicates whether the terminal supports the ability to re-DMRS bundling in the target network, and the target network includes at least one of the following: NTN, ground network TN. Among them, the terminal accesses NTN, or the target network includes NTN.
  • the terminal embodiment corresponds to the above-mentioned terminal side method embodiment, and each implementation process and implementation method of the above-mentioned method embodiment can be applied to the terminal embodiment and can achieve the same technical effect.
  • Figure 8 is a schematic diagram of the hardware structure of a terminal that implements an embodiment of the present application.
  • the terminal 100 includes but is not limited to: a radio frequency unit 101, a network module 102, an audio output unit 103, an input unit 104, a sensor 105, a display unit 106, a user input unit 107, an interface unit 108, a memory 109 and at least some of the components of a processor 110.
  • the terminal 100 may also include a power source (such as a battery) for supplying power to each component, and the power source may be logically connected to the processor 110 through a power management system, so as to implement functions such as managing charging, discharging, and power consumption management through the power management system.
  • a power source such as a battery
  • the terminal structure shown in FIG8 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine certain components, or arrange components differently, which will not be described in detail here.
  • the input unit 104 may include a graphics processing unit (GPU) 1041 and a microphone 1042.
  • the graphics processor 1041 processes the image data of a static picture or video obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode.
  • the display unit 106 may The display panel 1061 is included, and the display panel 1061 can be configured in the form of a liquid crystal display, an organic light emitting diode, etc.
  • the user input unit 107 includes a touch panel 1071 and at least one of other input devices 1072.
  • the touch panel 1071 is also called a touch screen.
  • the touch panel 1071 may include two parts: a touch detection device and a touch controller.
  • Other input devices 1072 may include, but are not limited to, a physical keyboard, function keys (such as a volume control button, a switch button, etc.), a trackball, a mouse, and a joystick, which will not be repeated here.
  • the RF unit 101 after receiving downlink data from the network side device, can transmit the data to the processor 110 for processing; in addition, the RF unit 101 can send uplink data to the network side device.
  • the RF unit 101 includes but is not limited to an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc.
  • the memory 109 can be used to store software programs or instructions and various data.
  • the memory 109 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.), etc.
  • the memory 109 may include a volatile memory or a non-volatile memory, or the memory 109 may include both volatile and non-volatile memories.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory.
  • the volatile memory may be a random access memory (RAM), a static random access memory (SRAM), a dynamic random access memory (DRAM), a synchronous dynamic random access memory (SDRAM), a double data rate synchronous dynamic random access memory (DDRSDRAM), an enhanced synchronous dynamic random access memory (ESDRAM), a synchronous link dynamic random access memory (SLDRAM) and a direct memory bus random access memory (DRRAM).
  • the memory 109 in the embodiment of the present application includes but is not limited to these and any other suitable types of memory.
  • the processor 110 may include one or more processing units; optionally, the processor 110 integrates an application processor and a modem processor, wherein the application processor mainly processes operations related to an operating system, a user interface, and application programs, and the modem processor mainly processes wireless communication signals, such as a baseband processor. It is understandable that the modem processor may not be integrated into the processor 110.
  • the radio frequency unit 101 is used to send target indication information to the network side device, where the target indication information indicates whether the terminal supports the ability to re-bundle DMRS in the target network, where the target network includes at least one of the following: NTN, terrestrial network TN.
  • the terminal accesses NTN, or the target network includes NTN.
  • the terminal provided in the embodiment of the present application can solve the problem of how to report whether the terminal has the ability to re-perform DMRS bundling under NTN and TN when the terminal can access TN and NTN for communication, because the network side device can receive target indication information from the terminal and determine whether the terminal supports the ability to re-perform DMRS bundling under at least one of the networks NTN and TN. Therefore, the network side device can determine the method of performing joint channel estimation on the uplink channel sent by the terminal according to whether the terminal supports the ability to re-perform DMRS bundling under at least one of the networks NTN and TN. In this way, the performance of the terminal sending the uplink channel can be improved.
  • the embodiment of the present application also provides a network side device, including a processor and a communication interface, the communication interface is used to receive target indication information from a terminal, the target indication information indicates whether the terminal supports the ability to re-bundle DMRS in the target network, and the target network includes at least one of the following: NTN, TN; the processor is used to determine whether the terminal supports the ability to re-bundle DMRS in the target network according to the target indication information.
  • the terminal accesses NTN, or the target network includes NTN.
  • the network side device embodiment corresponds to the above-mentioned network side device method embodiment, and each implementation process and implementation method of the above-mentioned method embodiment can be applied to the network side device embodiment, and can achieve the same technical effect.
  • the embodiment of the present application also provides a network side device.
  • the network side device 200 includes: an antenna 201, a radio frequency device 202, a baseband device 203, a processor 204 and a memory 205.
  • the antenna 201 is connected to the radio frequency device 202.
  • the radio frequency device 202 receives information through the antenna 201 and sends the received information to the baseband device 203 for processing.
  • the baseband device 203 processes the information to be sent and sends it to the radio frequency device 202.
  • the radio frequency device 202 processes the received information and sends it out through the antenna 201.
  • the method executed by the network-side device in the above embodiment may be implemented in the baseband device 203, which includes a baseband processor.
  • the baseband device 203 may include, for example, at least one baseband board, on which multiple chips are arranged, as shown in Figure 9, one of which is, for example, a baseband processor, which is connected to the memory 205 through a bus interface to call the program in the memory 205 and execute the network device operations shown in the above method embodiment.
  • the network side device may also include a network interface 206, which is, for example, a common public radio interface (CPRI).
  • a network interface 206 which is, for example, a common public radio interface (CPRI).
  • CPRI common public radio interface
  • the network side device 200 of the embodiment of the present application also includes: instructions or programs stored in the memory 205 and executable on the processor 204.
  • the processor 204 calls the instructions or programs in the memory 205 to execute the method executed by each module shown in Figure 9 and achieves the same technical effect. To avoid repetition, it will not be repeated here.
  • An embodiment of the present application also provides a readable storage medium, on which a program or instruction is stored.
  • a program or instruction is stored.
  • the various processes of the above-mentioned capability indication method embodiment are implemented and the same technical effect can be achieved. To avoid repetition, it will not be repeated here.
  • the processor is the processor in the terminal described in the above embodiment.
  • the readable storage medium includes a computer readable storage medium, such as a computer read-only memory ROM, a random access memory RAM, a magnetic disk or an optical disk.
  • An embodiment of the present application further provides a chip, which includes a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the various processes of the above-mentioned capability indication method embodiment, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • the chip mentioned in the embodiments of the present application can also be called a system-level chip, a system chip, a chip system or a system-on-chip chip, etc.
  • the present application embodiment further provides a computer program/program product, wherein the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement the above-mentioned capability indication method.
  • the various processes of the embodiments can achieve the same technical effect, and to avoid repetition, they will not be described again here.
  • An embodiment of the present application also provides a capability indication system, including: a terminal and a network side device, wherein the terminal can be used to execute the steps of the capability indication method corresponding to the terminal as described above, and the network side device can be used to execute the steps of the capability indication method corresponding to the network side device as described above.
  • the technical solution of the present application can be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM/RAM, a magnetic disk, or an optical disk), and includes a number of instructions for enabling a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in each embodiment of the present application.
  • a storage medium such as ROM/RAM, a magnetic disk, or an optical disk
  • a terminal which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.

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Abstract

La présente demande se rapporte au domaine technique des communications, et divulgue un procédé et un appareil d'indication de capacité, un terminal, un dispositif côté réseau, et un support d'enregistrement lisible. Le procédé d'indication de capacité dans des modes de réalisation de la présente demande comprend les étapes suivantes : un terminal envoie des informations d'indication cibles à un dispositif côté réseau, les informations d'indication cibles indiquant si le terminal prend en charge la capacité d'effectuer à nouveau un groupement DMRS dans un réseau cible, et le réseau cible comprenant au moins l'un des éléments suivants : un réseau non terrestre (NTN) et un réseau terrestre (TN). Le terminal accède au NTN, ou le réseau cible comprend le NTN.
PCT/CN2023/128651 2022-11-07 2023-10-31 Procédé et appareil d'indication de capacité, terminal, dispositif côté réseau, et support d'enregistrement lisible WO2024099190A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202211387249.3 2022-11-07
CN202211387249.3A CN117998349A (zh) 2022-11-07 2022-11-07 能力指示方法、装置、终端、网络侧设备及可读存储介质

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