WO2022007930A1 - Procédé et appareil de traitement de transfert de porteuse, et terminal - Google Patents

Procédé et appareil de traitement de transfert de porteuse, et terminal Download PDF

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Publication number
WO2022007930A1
WO2022007930A1 PCT/CN2021/105407 CN2021105407W WO2022007930A1 WO 2022007930 A1 WO2022007930 A1 WO 2022007930A1 CN 2021105407 W CN2021105407 W CN 2021105407W WO 2022007930 A1 WO2022007930 A1 WO 2022007930A1
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WIPO (PCT)
Prior art keywords
bwp
carrier
target
target carrier
indicated
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PCT/CN2021/105407
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English (en)
Chinese (zh)
Inventor
施源
孙晓东
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维沃移动通信有限公司
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Publication of WO2022007930A1 publication Critical patent/WO2022007930A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0096—Indication of changes in allocation
    • H04L5/0098—Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals

Definitions

  • the present application belongs to the field of communication technologies, and specifically relates to a carrier switching processing method, device and terminal.
  • the terminal equipment is limited by transmit power, hardware capacity, etc., and the number of received carriers may be larger than the number of transmitted carriers, which makes it impossible to obtain downlink channel state information (Channel State Information, CSI) of all carriers through uplink and downlink reciprocity.
  • CSI Channel State Information
  • the current solution is to switch to the carrier position corresponding to only the downlink BWP activated through carrier switching, and send a channel sounding reference signal (Sounding Reference Signal, SRS) to obtain the downlink CSI of the current carrier.
  • SRS channel sounding Reference Signal
  • BWP Bandwidth Part
  • a frequency band supports up to 16 Component Carriers (CCs), and the CCs can be discontinuous but not overlapping.
  • CCs Component Carriers
  • a maximum of 4 BWPs can be configured under each CC, and the BWPs can overlap each other and can be continuous or discontinuous. In this way, at the time of carrier switching, determining the activated uplink BWP has become an urgent problem to be solved.
  • the purpose of the embodiments of the present application is to provide a carrier switching processing method, device and terminal, which can solve how to determine the BWP during carrier switching.
  • the embodiments of the present application provide a carrier switching processing method, which is applied to a terminal, including:
  • the source carrier is switched to the target carrier
  • the target BWP is one or more BWPs on the target carrier.
  • an embodiment of the present application provides a carrier switching processing device, including:
  • a processing module for switching from the source carrier to the target carrier according to the carrier switching information
  • a sending module configured to send a sounding reference signal SRS on the target bandwidth part BWP of the target carrier
  • the target BWP is one or more BWPs on the target carrier.
  • an embodiment of the present application further provides a terminal, the terminal includes a processor, a memory, and a program or instruction stored in the memory and executable on the processor, the program or instruction being When executed by the processor, the steps of the method according to the first aspect are implemented.
  • an embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the method according to the first aspect is implemented. step.
  • an embodiment of the present application provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction, and implement the first aspect the method described.
  • the source carrier is switched to the target carrier, and then SRS is sent on one or more BWPs of the target carrier, so as to complete uplink CSI acquisition of all carriers.
  • 1 is a block diagram of a wireless communication system
  • FIG. 2 is a schematic flowchart of a carrier switching processing method according to an embodiment of the present application
  • FIG. 3 is a schematic structural diagram of a carrier switching processing apparatus according to an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a terminal according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a terminal according to another embodiment of the present application.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
  • NR New Radio
  • the following description describes a New Radio (NR) system for example purposes, and NR terminology is used in most of the description below, although these techniques are also applicable to applications other than NR system applications, such as 6th generation ( 6 th Generation, 6G) communication system.
  • 6th generation 6 th Generation, 6G
  • FIG. 1 shows a block diagram of a wireless communication system to which the embodiments of the present application can be applied.
  • the wireless communication system includes a terminal 11 and a network-side device 12 .
  • the terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital computer Assistant (Personal Digital Assistant, PDA), PDA, netbook, ultra-mobile personal computer (UMPC), mobile Internet Device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (VUE), pedestrian terminal (PUE) and other terminal-side devices, wearable devices include: bracelets, headphones, glasses, etc.
  • PDA Personal Digital Assistant
  • the network side device 12 may be a base station or a core network, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, Send Transmitting and Receiving Point (TRP) or some other suitable term 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 embodiments of this application, only Take the base station in the NR system as an example, but the specific type of the base station is not limited.
  • a carrier switching processing method applied to a terminal, includes:
  • Step 201 according to the carrier switching information, switch from the source carrier to the target carrier.
  • the carrier switching information may be carrier switching signaling that triggers carrier switching, or may be configuration information that carries information related to carrier switching.
  • the carrier switching information may include: carrier switching condition information, carrier switching effective time information, source The carrier identifier of the carrier, the carrier identifier of the target carrier, the switching sequence of carrier switching, etc.
  • the carrier switching information may be configured by radio resource control (Radio Resource Control, RRC) signaling, or may be indicated by downlink control information (Downlink Control Information, DCI), for example, indicated by DCI format (format) 2_3.
  • RRC Radio Resource Control
  • DCI Downlink Control Information
  • the terminal switches from the source carrier to the target carrier according to the carrier switching information, in order to complete the acquisition of downlink CSI on the target carrier.
  • Step 202 Send a sounding reference signal SRS on the target bandwidth part BWP of the target carrier, where the target BWP is one or more BWPs on the target carrier.
  • one or more BWPs on the target carrier are used as target BWPs to transmit SRS to acquire downlink CSI.
  • the source carrier is switched to the target carrier, and then SRS is sent on one or more BWPs of the target carrier, so as to complete the downlink of all carriers.
  • CSI acquisition firstly, according to the carrier switching information, the source carrier is switched to the target carrier, and then SRS is sent on one or more BWPs of the target carrier, so as to complete the downlink of all carriers.
  • the all carriers may be all the carriers that need to be switched, or may be all the carriers in the RRC configuration, which are not limited herein.
  • the source carrier may be an initial carrier, that is, a carrier determined by a serving cell index (serving cell index) and a serving cell carrier (serving cell carrier) in high-level parameters, or a non-initial carrier.
  • the carriers received by the terminal include CC1, CC2 and CC3, but the transmitted carrier is only CC1.
  • CC1 can be used as a source carrier, and CC1 is switched to CC2; and CC2 can also be used as a source carrier, and CC2 is switched to CC3.
  • the methods of the embodiments of the present application can be applied to a scenario in which the number of carriers received by the terminal is greater than the number of carriers sent under the NR system.
  • the received carriers include CC1, CC2, CC3 and CC4, and the transmitted carrier is only CC1.
  • the terminal can send the SRS on the target BWP of CC2, so as to obtain CSI on the target carrier subsequently.
  • the target carrier may be configured with one or more BWPs.
  • the BWP can be used as the target BWP to send the SRS, or a target BWP with a larger bandwidth can be configured to send the SRS;
  • the target carrier includes multiple BWPs, the SRS among the multiple BWPs can be configured One or more send SRS as target BWP.
  • the target BWP is the UL (Uplink) BWP on the target carrier. Therefore, on the target carrier, there may be only one UL BWP as the target BWP, or there may be multiple UL BWPs as the target BWP.
  • the multiple UL BWPs may be part or all of the UL BWPs on the target carrier.
  • the target BWP includes at least one of the following:
  • the first uplink UL BWP at a preset position on the target carrier
  • the second UL BWP on the target carrier the ID of the second UL BWP is the same as the ID of the downlink DL BWP activated on the target carrier;
  • the fourth UL BWP is the UL BWP with the smallest bandwidth among the UL BWPs that can cover the DL BWP activated on the target carrier;
  • the fifth UL BWP on the target carrier is indicated by the UL BWP ID activated on the source carrier;
  • the sixth UL BWP on the target carrier, the sixth UL BWP is indicated by a preset signaling or a configured UL BWP ID.
  • the preset position is a predefined, configured or indicated specific position of the BWP configured on the target carrier.
  • the preset location may be the location of the first UL BWP, the location of the second UL BWP, and the location of the last UL BWP on the target carrier.
  • the target BWP is the first UL BWP
  • the first UL BWP is at least one of the first UL BWP, the second UL BWP, and the last UL BWP on the target carrier.
  • the target BWP is the second UL BWP
  • the target BWP is the UL BWP on the target carrier whose own ID is the same as the ID of the DL BWP activated on the target carrier. It can also be said that the ID of the target BWP follows the ID of the DL BWP activated on the target carrier.
  • the center carrier frequency of the target BWP can also follow the center carrier frequency of the activated DL BWP.
  • the target BWP is the third UL BWP
  • the target BWP is the UL BWP on the target carrier with a bandwidth greater than or equal to other UL BWPs. It can also be said that the ID of the target BWP uses the ID of the UL BWP with the largest bandwidth on the target carrier.
  • the target BWP is the fourth UL BWP
  • the target BWP is required not only to cover the DL BWP activated on the target carrier, but also a UL BWP on the target carrier with a bandwidth smaller than other UL BWPs.
  • the target BWP is the fifth UL BWP
  • the target BWP is the UL BWP indicated by the UL BWP ID activated on the source carrier on the target carrier. It can also be said that the ID of the target BWP follows the ID of the activated UL BWP on the source carrier.
  • the target BWP may also be the UL BWP indicated by the preset signaling or the configured UL BWP ID on the target carrier. It can also be said that the ID of the target BWP is indicated or configured by preset signaling.
  • the preset signaling can indicate or configure one UL BWP ID, and the target BWP is only one BWP; the preset signaling can indicate or configure multiple UL BWP IDs, and the target BWP includes multiple BWPs.
  • the preset signaling indicates or configures all the UL BWP IDs of the target carrier, the handover of all UL BWPs in the target carrier is performed.
  • the target BWPs realized in the above different ways if the target BWPs realized in one of the ways do not match, the target BWPs realized in other ways may also be selected for SRS transmission. For example, if the target BWP following the DL BWP ID activated on the target carrier does not match, the UL BWP with the largest bandwidth on the target carrier may be further used as the target BWP.
  • the preset signaling includes at least one of the following:
  • Radio resource control signaling RRC RRC
  • Multimedia control unit signaling MAC CE Multimedia control unit signaling MAC CE.
  • the implementation of the preset signaling is not limited to the above three kinds of signaling, and can also be completed by other applicable signaling, which will not be repeated here.
  • the preset signaling indicates or configures a set of BWP IDs used for carrier switching.
  • the preset signaling may indicate or configure the set of BWP IDs used for carrier switching.
  • a set of BWP IDs for carrier switching can be pre-defined or configured, and the set is identified.
  • the preset signaling can directly indicate or configure the set identifier, so as to avoid too large information indicated or configured.
  • the BWP ID set is associated with one or more carriers.
  • the BWP ID set is indicated or configured corresponding to only one carrier, or the BWP ID set is indicated or configured corresponding to each carrier one by one.
  • the carrier associated with or corresponding to the BWP ID set may not be limited, but in combination with the carrier switching information, it may also be limited that the carrier is a carrier that needs to be switched.
  • the preset signaling is downlink control signaling DCI
  • the UL BWP ID indicated or configured by the DCI is associated with one or more carriers.
  • the UL BWP ID indicated or configured by the DCI can be applied to one carrier or to multiple carriers. Therefore, for the case where one carrier is applicable, it can be realized that the UL BWP ID is indicated or configured corresponding to only one carrier, or the UL BWP ID is indicated or configured corresponding to each carrier one by one. Of course, there may be one or more UL BWP IDs indicated or configured by the DCI.
  • DCI can be used for carrier switching indication
  • the DCI is configured with a carrier that needs to be switched. Therefore, the DCI indication or the configured UL BWP ID is associated with one or more carriers that need to be switched. carrier.
  • one or more UL BWP IDs indicated or configured by the DCI are associated with one or more carriers requiring carrier switching, such as CC1, CC2 and CC3 have been instructed to perform carrier switching in the DCI, if one or more of the DCI indicated or configured Multiple UL BWP IDs, applicable to CC1, CC2 and CC3, when switching to CC1, CC2 and CC3, the one or more UL BWP IDs are used to determine the target BWP; if one or more of the UL BWP IDs indicated or configured by CI UL BWP ID, applicable to CC2 and CC3, only when switching to CC2 and CC3, the one or more UL BWP IDs are used to determine the target BWP.
  • one or more UL BWP IDs indicated or configured by the DCI are indicated or configured corresponding to each carrier requiring carrier switching, for example, CC1, CC2 and CC3 have been instructed to perform carrier switching in the DCI, and the DCI Perform UL BWP ID indication or configuration for each of the three CCs, so that when switching to CC1, one or more UL BWP IDs indicated or configured by DCI need to be used for CC1 to determine the target BWP on CC1; switch to CC2 When switching to CC3, one or more UL BWP IDs indicated or configured by DCI for CC2 need to be used to determine the target BWP on CC2; when switching to CC3, one or more UL BWP IDs indicated or configured by DCI for CC3 need to be used to determine the target BWP on CC3 Target BWP.
  • the DCI indicates or configures multiple UL BWP IDs, which may be implemented by indicating or configuring a BWP ID set including the multiple UL BWP IDs.
  • the BWP ID set may be associated with one or more carriers, and for DCI 2-3, the BWP ID set may be associated with one or more carriers that require carrier switching.
  • the sixth UL BWP includes:
  • the number of BWP IDs used to determine the target BWP associated with the channel sounding reference signal carrier switching information (SRS-CarrierSwitching) carried by the RRC can be one or more, and multiple BWP IDs can be implemented through a set of BWP IDs.
  • the target BWP is directly indicated.
  • step 202 includes:
  • the target BWP is multiple BWPs
  • switch among the multiple BWPs in sequence based on a first order and send SRS; wherein the first order is based on the indicated BWP ID order, the configured BWP ID order , or the size of the BWP ID is determined.
  • the multiple BWPs are switched in sequence based on the indicated or configured BWP IDs, or, based on the size of the BWP IDs, sequentially switched in descending or ascending order.
  • the bandwidth of the target BWP satisfies at least one of the following:
  • the bandwidth of the target BWP can be equal to the bandwidth of the target carrier, the bandwidth of the DL BWP activated on the target carrier, or the bandwidth of the terminal on the target carrier.
  • the bandwidth of the target BWP is preferably the bandwidth of the activated DL BWP;
  • the bandwidth of the target BWP is preferably the uplink maximum capability bandwidth that the terminal can support on the target carrier.
  • the method of the embodiment of the present application firstly switches the source carrier to the target carrier according to the carrier switching information, and then sends SRS on one or more BWPs of the target carrier, so as to complete the uplink CSI acquisition of all carriers.
  • the execution subject may be a carrier switching processing apparatus, or a control module in the carrier switching processing apparatus for executing the loading carrier switching processing method.
  • the carrier switching processing method provided by the embodiments of the present application is described by taking the carrier switching processing apparatus performing the loading carrier switching processing method as an example.
  • a carrier switching processing apparatus 300 includes:
  • the processing module 310 is configured to switch from the source carrier to the target carrier according to the carrier switching information
  • the sending module 320 is used to send the sounding reference signal SRS on the target bandwidth part BWP of the target carrier;
  • the target BWP is one or more BWPs on the target carrier.
  • the target BWP includes at least one of the following:
  • the first uplink UL BWP at a preset position on the target carrier
  • the second UL BWP on the target carrier the ID of the second UL BWP is the same as the ID of the downlink DL BWP activated on the target carrier;
  • the fourth UL BWP is the UL BWP with the smallest bandwidth among the UL BWPs that can cover the DL BWP activated on the target carrier;
  • the fifth UL BWP on the target carrier is indicated by the UL BWP ID activated on the source carrier;
  • the sixth UL BWP on the target carrier, the sixth UL BWP is indicated by a preset signaling or a configured UL BWP ID.
  • the preset signaling is downlink control signaling DCI
  • the UL BWP ID indicated or configured by the DCI is associated with one or more carriers.
  • the sixth UL BWP includes:
  • the preset signaling indicates or configures a set of BWP IDs used for carrier switching.
  • the BWP ID set is associated with one or more carriers.
  • processing module is also used for:
  • the target BWP is multiple BWPs
  • switch among the multiple BWPs in sequence based on a first order and send SRS; wherein the first order is based on the indicated BWP ID order, the configured BWP ID order , or the size of the BWP ID is determined.
  • the bandwidth of the target BWP satisfies at least one of the following:
  • the apparatus of this embodiment firstly switches from the source carrier to the target carrier according to the carrier switching information, and then sends SRS on one or more BWPs of the target carrier, so as to complete uplink CSI acquisition of all carriers.
  • the carrier switching processing apparatus in this embodiment of the present application may be an apparatus, or may be a component, an integrated circuit, or a chip in a terminal.
  • the apparatus may be a mobile electronic device or a non-mobile electronic device.
  • the mobile electronic device can be a mobile phone, a tablet computer, a notebook computer, a PDA, a car electronic device, a wearable device, a super mobile personal computer, a netbook or a personal digital assistant, etc.
  • the non-mobile electronic device can be a server, a network-affiliated device, etc.
  • a storage Network Attached Storage, NAS), a personal computer (personal computer, PC), a television (television, TV), a teller machine or a self-service machine, etc., are not specifically limited in the embodiments of the present application.
  • the carrier switching processing apparatus in this embodiment of the present application may be an apparatus having an operating system.
  • the operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
  • the carrier switching processing apparatus provided in the embodiment of the present application can implement each process implemented by the terminal in the method embodiment of FIG. 1 , and in order to avoid repetition, details are not repeated here.
  • an embodiment of the present application further provides a terminal 400 , including a processor 401 , a memory 402 , and a program stored on the memory 402 and executable on the processor 401 or
  • a terminal 400 including a processor 401 , a memory 402 , and a program stored on the memory 402 and executable on the processor 401 or
  • the program or instruction is executed by the processor 401, each process of the above carrier switching processing method embodiment is implemented, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • FIG. 5 is a schematic diagram of a hardware structure of a terminal implementing various embodiments of the present application.
  • the terminal 500 includes but is not limited to: a radio frequency unit 501, a network module 502, an audio output unit 503, an input unit 504, a sensor 505, a display unit 506, a user input unit 507, an interface unit 508, a memory 509, a processor 510 and other components .
  • the terminal 500 may further include a power supply (such as a battery) for supplying power to various components, and the power supply may be logically connected to the processor 510 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
  • a power supply such as a battery
  • the terminal structure shown in FIG. 5 does not constitute a limitation to the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 504 may include a graphics processor (Graphics Processing Unit, GPU) 5041 and a microphone 5042. Such as camera) to obtain still pictures or video image data for processing.
  • the display unit 506 may include a display panel 5061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 507 includes a touch panel 5071 and other input devices 5072 .
  • the touch panel 5071 is also called a touch screen.
  • the touch panel 5071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 5072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which are not described herein again.
  • the radio frequency unit 501 receives the downlink data from the network side device, and then processes it to the processor 510; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 501 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • Memory 509 may be used to store software programs or instructions as well as various data.
  • the memory 509 may mainly include a storage program or instruction area and a storage data area, wherein the stored program or instruction 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.) and the like.
  • the memory 509 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • the processor 510 may include one or more processing units; optionally, the processor 510 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, application programs or instructions, etc., Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 510.
  • the processor 510 is configured to switch from the source carrier to the target carrier according to the carrier switching information
  • the target BWP is one or more BWPs on the target carrier.
  • the terminal in this embodiment firstly switches from the source carrier to the target carrier according to the carrier switching information, and then sends SRS on one or more BWPs of the target carrier, so as to complete uplink CSI acquisition of all carriers.
  • the embodiments of the present application further provide a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the foregoing carrier switching processing method embodiment can be achieved, and can achieve the same In order to avoid repetition, the technical effect will not be repeated here.
  • the processor is the processor in the electronic device described in the foregoing embodiments.
  • the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, referred to as ROM), random access memory (Random Access Memory, referred to as RAM), a magnetic disk or an optical disk, etc.
  • ROM computer read-only memory
  • RAM random access memory
  • magnetic disk or an optical disk etc.
  • An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the above embodiments of the carrier switching processing method and can achieve the same technical effect, in order to avoid repetition, it will not be repeated here.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip, or the like.
  • the method of the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation.
  • the technical solution of the present application can be embodied in the form of a software product in essence or in a part that contributes to the prior art, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of this application.
  • a storage medium such as ROM/RAM, magnetic disk, CD-ROM

Abstract

La présente demande se rapporte au domaine technique des communications. Sont divulgués un procédé et un appareil de traitement de transfert de porteuse, et un terminal. Le procédé est appliqué au terminal, et comprend les étapes suivantes : le transfert d'une porteuse source à une porteuse cible en fonction d'informations de transfert de porteuse ; et l'envoi d'un signal de référence de sondage (SRS) sur une partie de bande passante (BWP) cible de la porteuse cible, la BWP cible étant une ou plusieurs BWP sur la porteuse cible. La solution de la présente demande est utilisée pour résoudre le problème du mode d'exécution d'un transfert sur une porteuse composante configurée avec une BWP.
PCT/CN2021/105407 2020-07-10 2021-07-09 Procédé et appareil de traitement de transfert de porteuse, et terminal WO2022007930A1 (fr)

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CN202010665083.1 2020-07-10
CN202010665083.1A CN113922933B (zh) 2020-07-10 2020-07-10 一种载波切换处理方法、装置及终端

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WO2022007930A1 true WO2022007930A1 (fr) 2022-01-13

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CN (1) CN113922933B (fr)
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