WO2019095211A1 - 部分带宽的切换和配置方法、装置及通信系统 - Google Patents

部分带宽的切换和配置方法、装置及通信系统 Download PDF

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Publication number
WO2019095211A1
WO2019095211A1 PCT/CN2017/111368 CN2017111368W WO2019095211A1 WO 2019095211 A1 WO2019095211 A1 WO 2019095211A1 CN 2017111368 W CN2017111368 W CN 2017111368W WO 2019095211 A1 WO2019095211 A1 WO 2019095211A1
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Prior art keywords
bandwidth
partial bandwidth
partial
indication information
user equipment
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PCT/CN2017/111368
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English (en)
French (fr)
Inventor
李国荣
贾美艺
史玉龙
张磊
王昕�
Original Assignee
富士通株式会社
李国荣
贾美艺
史玉龙
张磊
王昕�
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Application filed by 富士通株式会社, 李国荣, 贾美艺, 史玉龙, 张磊, 王昕� filed Critical 富士通株式会社
Priority to PCT/CN2017/111368 priority Critical patent/WO2019095211A1/zh
Publication of WO2019095211A1 publication Critical patent/WO2019095211A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • H04W28/20—Negotiating bandwidth

Definitions

  • the embodiments of the present invention relate to the field of communications technologies, and in particular, to a partial bandwidth switching and configuration method, apparatus, and communication system.
  • BWP Bandwidth Part
  • 3GPP Third Generation Partnership Project
  • 3 rd Generation Partnership Project 3 rd Generation Partnership Project
  • the maximum channel bandwidth may reach 400 MHz (ie, a wide carrier). If a broadband capable user equipment is always operating on the above wide carrier, the power consumption will be large. Therefore, it is highly desirable that the bandwidth used by the user equipment can be adjusted according to the actual required throughput.
  • LTE Long Term Evolution
  • a user equipment transmits information at a lower data rate
  • the user equipment should be configured with a smaller (or narrower) bandwidth, which can reduce power consumption.
  • a wider bandwidth should be allocated to the user equipment, which can improve transmission efficiency.
  • one or more BWPs can be pre-configured for user equipment.
  • the user equipment can work using an activated BWP (active BWP), and multiple BWPs can be switched between signaling (eg, downlink control information) or a timer.
  • active BWP activated BWP
  • multiple BWPs can be switched between signaling (eg, downlink control information) or a timer.
  • RLF radio link failure
  • RRC Radio Resource Control
  • Embodiments of the present invention provide a partial bandwidth switching and configuration method, apparatus, and communication system.
  • the user equipment can autonomously switch to other BWPs to achieve fast channel recovery.
  • a method for switching a partial bandwidth includes:
  • a partial bandwidth switching apparatus including:
  • a switching unit that switches from the first partial bandwidth to the second partial bandwidth if the first partial bandwidth is abnormal.
  • a method for configuring a partial bandwidth includes:
  • a device for configuring a partial bandwidth includes:
  • a sending unit configured to send, to the user equipment, first indication information for indicating partial bandwidth switching, so that the user equipment indicates that part of the bandwidth switching is enabled, and the part of the bandwidth that is activated, that is, the first part of the bandwidth is abnormal. In case, the first part of the bandwidth is switched to the second part of the bandwidth.
  • a communication system including:
  • a network device comprising the partial bandwidth configuration device of the fourth aspect above;
  • User equipment comprising a partial bandwidth switching device as described in the second aspect above.
  • the beneficial effects of the embodiment of the present invention are: in the case that the activated BWP is abnormal, the user equipment autonomously switches to other BWPs; thus, the configuration information of the BWP of the user equipment does not need to be released immediately, thereby saving signaling overhead and data.
  • the time of recovery can reduce latency for fast channel recovery.
  • FIG. 1 is a schematic diagram of a communication system according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of a configured BWP according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a BWP being reconfigured according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of configuring multiple BWPs according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a method for switching a partial bandwidth according to an embodiment of the present invention.
  • FIG. 6 is another schematic diagram of a method for switching a partial bandwidth according to an embodiment of the present invention.
  • FIG. 7 is another schematic diagram of a method for switching a partial bandwidth according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a method for configuring a partial bandwidth according to an embodiment of the present invention.
  • FIG. 9 is another schematic diagram of a method for configuring a partial bandwidth according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of a partial bandwidth switching apparatus according to an embodiment of the present invention.
  • FIG. 11 is another schematic diagram of a partial bandwidth switching apparatus according to an embodiment of the present invention.
  • FIG. 12 is a schematic diagram of a partial bandwidth configuration apparatus according to an embodiment of the present invention.
  • FIG. 13 is another schematic diagram of a partial bandwidth configuration apparatus according to an embodiment of the present invention.
  • FIG. 14 is a schematic diagram of a network device according to an embodiment of the present invention.
  • FIG. 15 is a schematic diagram of a user equipment according to an embodiment of the present invention.
  • the terms “first”, “second”, etc. are used to distinguish different elements from the title, but do not indicate the spatial arrangement or chronological order of the elements, and these elements should not be used by these terms. Limited.
  • the term “and/or” includes any and all combinations of one or more of the associated listed terms.
  • the terms “comprising,” “comprising,” “having,” or “an” are used to distinguish different elements from the title, but do not indicate the spatial arrangement or chronological order of the elements, and these elements should not be used by these terms. Limited.
  • the term “and/or” includes any and all combinations of one or more of the associated listed terms.
  • the term “communication network” or “wireless communication network” may refer to a network that conforms to any communication standard such as Long Term Evolution (LTE), Enhanced Long Term Evolution (LTE-A, LTE- Advanced), Wideband Code Division Multiple Access (WCDMA), High-Speed Packet Access (HSPA), and the like.
  • LTE Long Term Evolution
  • LTE-A Enhanced Long Term Evolution
  • WCDMA Wideband Code Division Multiple Access
  • HSPA High-Speed Packet Access
  • the communication between devices in the communication system may be performed according to any phase of the communication protocol, and may include, for example but not limited to, the following communication protocols: 1G (generation), 2G, 2.5G, 2.75G, 3G, 4G, 4.5G, and future. 5G, New Radio (NR), etc., and/or other communication protocols currently known or to be developed in the future.
  • the term "network device” refers to, for example, a device in a communication system that accesses a terminal device to a communication network and provides a service for the terminal device.
  • the network device may include, but is not limited to, a device: a base station (BS, a base station), an access point (AP, an Access Point), a transmission and reception point (TRP), a broadcast transmitter, and a mobility management entity (MME, Mobile). Management Entity), gateway, server, Radio Network Controller (RNC), Base Station Controller (BSC), and so on.
  • BS base station
  • AP access point
  • TRP transmission and reception point
  • MME mobility management entity
  • Management Entity gateway
  • server Radio Network Controller
  • BSC Base Station Controller
  • the base station may include, but is not limited to, a Node B (NodeB or NB), an evolved Node B (eNodeB or eNB), and a 5G base station (gNB), and the like, and may further include a Remote Radio Head (RRH). , Remote Radio Unit (RRU), relay (relay) or low power node (example) Such as femto, pico, etc.).
  • RRH Remote Radio Head
  • RRU Remote Radio Unit
  • relay relay
  • low power node such as femto, pico, etc.
  • base station may include some or all of their functions, and each base station may provide communication coverage for a particular geographic area.
  • the term "cell” can refer to a base station and/or its coverage area, depending on the context in which the term is used.
  • the term "user equipment” (UE) or “Terminal Equipment” (TE) refers to, for example, a device that accesses a communication network through a network device and receives a network service.
  • the user equipment may be fixed or mobile, and may also be referred to as a mobile station (MS, Mobile Station), a terminal, a subscriber station (SS, Subscriber Station), an access terminal (AT, Access Terminal), a station, and the like.
  • the user equipment may include, but is not limited to, a cellular phone (Cellular Phone), a personal digital assistant (PDA, Personal Digital Assistant), a wireless modem, a wireless communication device, a handheld device, a machine type communication device, a laptop computer, Cordless phones, smart phones, smart watches, digital cameras, and more.
  • a cellular phone Cellular Phone
  • PDA Personal Digital Assistant
  • wireless modem Wireless Fidelity
  • a wireless communication device a handheld device
  • a machine type communication device a laptop computer
  • Cordless phones smart phones, smart watches, digital cameras, and more.
  • the user equipment may also be a machine or device that performs monitoring or measurement, and may include, but is not limited to, a Machine Type Communication (MTC) terminal, In-vehicle communication terminal, device to device (D2D, Device to Device) terminal, machine to machine (M2M, Machine to Machine) terminal, and the like.
  • MTC Machine Type Communication
  • D2D Device to Device
  • M2M Machine to Machine
  • network side or “network device side” refers to one side of the network, which may be a certain base station, and may also include one or more network devices as above.
  • user equipment side or “user side” refers to one side of the user, may be a certain UE, or may include one or more user equipments as above.
  • FIG. 1 is a schematic diagram of a communication system according to an embodiment of the present invention.
  • the user equipment and the network device are taken as an example.
  • the communication system 100 may include a network device 101 and a user equipment 102.
  • FIG. 1 is only described by taking one user equipment and one network device as an example, but the embodiment of the present invention is not limited thereto.
  • an existing service or a service that can be implemented in the future can be performed between the network device 101 and the user equipment 102.
  • these services may include, but are not limited to, enhanced mobile broadband (eMBB), massive machine type communication (mMTC), and high reliability low latency communication (URLLC, Ultra-Reliable and Low). -Latency Communication), and so on.
  • the bandwidth used by user equipment can be adjusted according to the actual required throughput.
  • FIG. 2 is a schematic diagram of a configured BWP of an embodiment of the present invention. As shown in FIG. 2, for some user equipment, such as user equipment with broadband capability but operating at a lower data rate, or user equipment with narrowband capability, a smaller or narrower bandwidth BWP may be configured.
  • FIG. 3 is a schematic diagram of a BWP being reconfigured according to an embodiment of the present invention.
  • the bandwidth of the BWP can be reconfigured as the data rate increases.
  • the BWP of the user equipment can be reconfigured from a narrower BWP 1 to a wider BWP 2.
  • FIG. 4 is a schematic diagram of configuring multiple BWPs according to an embodiment of the present invention.
  • a plurality of BWPs can be pre-configured.
  • the BWP of the user equipment may include a BWP 1 having a numerology 1 and a BWP 2 having a system 2.
  • BWPs are configured separately and independently.
  • DCI Downlink Control Information
  • DCI Downlink Control Information
  • DCI is used for handover of the DL active BWP. Whether to support a single DCI joint switching DL and UL BWP, further research is needed.
  • one DL BWP and one UL BWP are jointly configured as one BWP pair; for each UE-specific serving cell, the BWP pair in Release 15
  • the DL BWP and the UL BWP share the same center frequency, but the bandwidth may be different.
  • the DCI can be used for the switching of the activated BWP, which can be used to switch from one BWP pair to another.
  • a dedicated timer can be supported, based on which the active DL BWP can be switched to the default DL BWP. For example, when the user equipment switches its active DL BWP to other DL BWPs other than the default DL BWP, the user equipment starts the timer; when the user equipment successfully decodes the physical downlink shared channel (PDSCH, Physical downlink Shared) scheduled in the active DL BWP In the DCI of the Channel, the user equipment restarts the timer to the initial value; when the timer expires, the user equipment switches its active DL BWP to the default DL BWP.
  • PDSCH Physical downlink shared channel
  • a dedicated timer is supported for unpaired spectrum, and the activated DL/UL BWP can be switched to the default DL/UL BWP based on the timer. For example, when the user equipment switches its active DL/UL BWP to other DL/UL BWPs other than the default DL/UL BWP, the user equipment starts the timer; when the user equipment successfully decodes the PDSCH scheduled in the active DL/UL BWP In the DCI, the user equipment restarts the timer to an initial value; when the timer expires, the user equipment switches its active DL/UL BWP to the default DL/UL BWP.
  • the inventor has found that when an abnormality occurs in the activated BWP, for example, when RLF is detected or the signal quality is degraded, if the procedure of LTE is followed, the user equipment needs to initiate an RRC connection re-establishment process, which may cause a large delay. It is difficult to accept delay-sensitive business.
  • the frequency ranges of the BWPs configured to the user equipment do not overlap or are far apart from each other, there may be very different channel characteristics between the BWPs. Therefore, the occurrence of signal quality problems on the activated DL BWP may not necessarily mean that other BWPs will not work; the user equipment can autonomously switch to other BWPs to achieve fast channel recovery.
  • the embodiment of the invention provides a partial bandwidth switching method, which is applied to the user equipment side.
  • FIG. 5 is a schematic diagram of a method for switching a partial bandwidth according to an embodiment of the present invention, which is described from the perspective of a user equipment. As shown in FIG. 5, the switching method 500 includes:
  • Step 501 The user equipment determines whether the activated partial bandwidth, that is, the first partial bandwidth is abnormal;
  • Step 502 The user equipment switches from the first part of the bandwidth to the second part of the bandwidth if the first part of the bandwidth is abnormal.
  • the second part of the bandwidth may include one or more of the following: a default partial bandwidth, an initial partial bandwidth, a partial bandwidth defining a cell (eg, the cell can send system information), a predefined Partial bandwidth (eg, may be pre-defined by the UE or pre-configured by the network device), or a partial bandwidth with better channel conditions than the first portion of the bandwidth; the channel conditions herein may be, for example, reference signal received power (RSRP, Reference Signal Received Power) ), or reference signal received quality (RSRQ, Reference Signal Received Quality), or Signal to Interference plus Noise Ratio (SINR).
  • RSRP Reference Signal received power
  • RSRQ Reference Signal Received Quality
  • SINR Signal to Interference plus Noise Ratio
  • the present invention is not limited thereto, and may be any other configuration or definition BWP; or other channel conditions may be employed.
  • the BWP is not normal, for example, the quality of the channel or the signal may be degraded, or the RLF may occur, or the data transmission may be problematic and the content may not be satisfied.
  • the present invention is not limited thereto, and may be, for example, other cases in which normal data or information transmission cannot be satisfied.
  • the user equipment may choose to initiate an RRC connection re-establishment process or autonomously switch to the third part of the bandwidth.
  • RRC connection re-establishment process reference may be made to the related art; and the content autonomously switching from the second part of the bandwidth to the third part of the bandwidth is similar to the autonomous switching from the first part of the bandwidth to the second part of the bandwidth.
  • the embodiment of the present invention is described by taking an example of autonomously switching from the first partial bandwidth to the second partial bandwidth.
  • the present invention is not limited thereto, and may be similarly processed, for example, for a plurality of autonomous handovers.
  • FIG. 6 is another schematic diagram of a method for switching a partial bandwidth according to an embodiment of the present invention, which is described from the perspective of a user equipment and a network device. As shown in FIG. 6, the switching method 600 includes:
  • Step 601 The network device sends, to the user equipment, first indication information used to indicate part of the bandwidth switching.
  • the switching of the BWP may be indicated by the network device.
  • the first indication information may indicate whether the user equipment can perform partial bandwidth switching, for example, the first indication information is 1 bit, where “1” indicates that the user equipment can perform BWP handover, and “0” indicates that the user equipment does not. Ability to perform BWP switching.
  • the first indication information may indicate whether part of the bandwidth of each configuration is capable of partial bandwidth switching or whether partial bandwidth of multiple configurations is capable of partial bandwidth switching.
  • the user equipment is pre-configured with 4 BWPs, and the first indication information may include 4 bits, each bit corresponding to one BWP, or 2 bits, and each bit corresponds to two BWPs.
  • the first indication information may be included in a dedicated message, such as an RRC message configuring a BWP; or may be included in system information (SI, System Information).
  • SI System Information
  • the present invention is not limited thereto, and specific forms and/or carriers may be determined according to actual needs.
  • the BWP switching can be performed more flexibly between the network device and the user equipment.
  • the handover method 600 further includes:
  • Step 602 The user equipment determines whether the activated partial bandwidth, that is, the first partial bandwidth is abnormal
  • Step 603 The user equipment switches from the first partial bandwidth to the second partial bandwidth if the first indication information indicates that part of the bandwidth switching is possible and the first partial bandwidth is abnormal.
  • the existing LTE process may be adopted, which is not described in the embodiment of the present invention.
  • the first indication information indicates that the BWP handover can be performed and the first partial bandwidth is abnormal, in which case the user equipment autonomously performs the BWP handover.
  • the UL BWP and the DL BWP can be switched simultaneously; in the case of paired spectrum, only the DL BWP can be switched.
  • the user equipment may determine that the first part of the bandwidth is abnormal according to one or more conditions as follows. For example, a radio link failure is detected on the first part of the bandwidth; a synchronization signal block (SSB, Synchronization Signal Block) or a channel state information reference signal (CSI-RS, Channel State Information Reference) is configured on the first part of the bandwidth.
  • SSB Synchronization Signal Block
  • CSI-RS Channel State Information Reference
  • the signal quality of the SSB measured on the first partial bandwidth or the signal quality of the CSI-RS is lower than a preset first threshold; the CSI measured on the first partial bandwidth is low a preset second threshold value; the number of out-of-step indications detected on the first portion of the bandwidth (eg, expressed as out of sync) is higher than a preset third threshold; the bandwidth in the first portion
  • the block error rate (BLER) of the physical downlink control channel (PDCCH) is higher than a preset fourth threshold.
  • the above only schematically illustrates the condition for determining that the activated BWP is abnormal (or referred to as a problem), but the present invention is not limited thereto, and other conditions may be used. Further, each of the above conditions may be used singly or in combination of two or more conditions.
  • the first to fourth threshold values described above it may be set or defined in advance, for example, it may be determined according to an empirical value, which is not limited by the present invention.
  • the user equipment in a case that the first part of the bandwidth is abnormal, the user equipment does not perform the RRC connection re-establishment process, but maintains the configuration information of the second part of the bandwidth, or maintains part or all of the configured partial bandwidth. Configuration information. Thereby, signaling overhead and time for data recovery can be saved.
  • the user equipment may choose to initiate an RRC connection re-establishment procedure or autonomously switch to the third part of the bandwidth.
  • the handover method 600 may further include:
  • Step 604 The user equipment sends, to the network device, second indication information indicating that part of the bandwidth is switched.
  • the user equipment may notify the network device by using the second indication information: the user equipment has already Switching from the first part of the bandwidth (ie the activated BWP) to the second part of the bandwidth (eg default BWP, initial BWP or BWP defining the cell).
  • the second indication information may further indicate that the first part of the bandwidth is not working properly.
  • the second indication information may be displayed by a random access channel (RACH) or a physical uplink control channel (PUCCH, Physical Uplink Control Channel) or a physical uplink shared channel (PUSCH).
  • RACH random access channel
  • PUCCH Physical Uplink Control Channel
  • PUSCH physical uplink shared channel
  • the present invention is not limited thereto, and may be explicitly carried by, for example, RRC signaling or Medium Access Control (MAC) signaling.
  • MAC Medium Access Control
  • the UE may perform a random access procedure on the handed UL BWP, for example including the indication information in the RACH or random access message 3 (ie PUSCH); if the UL BWP is not switched, the UE The PUCCH or the PUSCH may still be transmitted on the activated UL BWP, for example, the indication information is included in the PUCCH or the PUSCH, indicating that the network device has performed autonomous handover.
  • the second indication information may be 1 bit, indicating that there is a problem with the activated BWP.
  • the UE may switch to the third BWP and generate the second indication information on the third BWP, and the second indication information may also be Contains multiple bits indicating the index or identification information of one or more BWPs that have had problems.
  • the second indication information may be implicitly indicated by RACH or PUCCH or PUSCH.
  • the present invention is not limited thereto, and may be implicitly indicated by, for example, RRC signaling or MAC signaling.
  • the UE may send the RACH or the PUCCH or the PUSCH on the uplink part bandwidth corresponding to the second part of the bandwidth (for example, the default BWP) to implicitly indicate the Two instructions.
  • the network device receives the RACH or PUCCH or PUSCH on the second part of the bandwidth (eg, the default BWP), that is, it can be known that the activated BWP of the UE has been switched.
  • the UE may use a resource associated with the second partial bandwidth, for example, a RACH preamble or a RACH time-frequency resource or a PUCCH resource having a certain mapping relationship with the DL BWP.
  • the PUSCH resource sending the RACH or the PUCCH or the PUSCH on the uplink part bandwidth (for example, the activated UL BWP) corresponding to the first part of the bandwidth, to implicitly indicate the second indication information.
  • the network device can know that the activated DL BWP of the UE has been switched according to these resources on the UL BWP.
  • the handover method 600 may further include:
  • Step 605 The network device performs connection reconfiguration on the user equipment, and releases or reconfigures one or more partial bandwidths of the user equipment.
  • the network device may perform subsequent operations. For example, an RRC connection reconfiguration process is performed to release or reconfigure an abnormal BWP.
  • FIG. 5 and FIG. 6 only schematically illustrate the embodiment of the present invention, but the present invention is not limited thereto.
  • the order of execution between the various steps can be appropriately adjusted, and other steps can be added or some of the steps can be reduced.
  • Those skilled in the art can appropriately adapt according to the above, and are not limited to the descriptions of FIGS. 5 and 6 described above.
  • the physical layer of the UE detects the out-of-synchronization on the activated BWP, the physical layer reports to the RRC layer; the out-of-synchronization indication reported by the physical layer to the RRC layer may carry the information of the BWP, for example, the current out-of-synchronization Whether the activated BWP is the default BWP, or the index or identity of the currently active BWP that is out of sync.
  • the RRC layer of the UE may determine whether the RLF occurs according to the out-of-synchronization indication of the physical layer and the 3GPP specifications. When it is determined that the RLF occurs, the RRC layer determines, according to the first indication information sent by the network device, that the routine is initiated. The RRC connection re-establishment process is still performing autonomous BWP handover. If it is determined that an autonomous BWP handover is made, the RRC layer will instruct the physical layer to switch from the active BWP to another BWP (e.g., the default BWP).
  • another BWP e.g., the default BWP
  • the user equipment autonomously switches to other BWPs; thus, it is not necessary to immediately release the configuration information of the BWP of the user equipment, which can save signaling overhead and data recovery time. Delay can be reduced to achieve fast channel recovery.
  • the embodiment of the invention provides a partial bandwidth switching method, which is applied to the user equipment side.
  • the same content of the embodiment of the present invention and the first embodiment will not be described again.
  • FIG. 7 is a schematic diagram of a method for switching a partial bandwidth according to an embodiment of the present invention, which is described from the perspective of a user equipment. As shown in FIG. 7, the handover method 700 includes:
  • Step 701 The user equipment switches from the activated partial bandwidth to the default part when the timer expires. Bandwidth;
  • Step 702 The user equipment sends, to the network device, indication information that indicates that part of the bandwidth is switched.
  • the UE configures a dedicated timer for switching from the activated BWP to the default BWP
  • the UE side retreats.
  • the dedicated timer to the default BWP will continue to run.
  • the network device restarts the dedicated timer of the network device side to fall back to the default BWP due to the PDCCH being transmitted on the activated BWP.
  • the network device retransmits the previous data because it does not receive the feedback from the UE. Therefore, the PDCCH is sent again on the activated BWP, and the dedicated timer of the BWP that is backed off by the network device side is restarted.
  • the UE-side dedicated timer that falls back to the default BWP may time out first, so that the UE will switch to the default BWP autonomously, and the network device does not time out due to the dedicated timer of the network device side falling back to the default BWP. It will be considered that the UE may still be on the previously activated BWP.
  • the UE after the UE autonomously switches to the default BWP based on the timer, the UE notifies the network device of the information that the BWP is switched, so that the network device can update the information of the BWP where the UE is located according to the information, the network device and Agreement can be reached between user devices.
  • the indication information may further indicate that the activated partial bandwidth cannot work normally.
  • the indication information may be explicitly carried by one or a combination of channels or signaling: RRC signaling (or message), MAC signaling, RACH, PUCCH, PUSCH. That is, it may be one of the above channels or signaling, or may be any combination of two or more.
  • the indication information may be implicitly indicated by one or a combination of channels or signaling: RRC signaling (or message), MAC signaling, RACH, PUCCH, PUSCH. That is, it may be one of the above channels or signaling, or may be any combination of two or more.
  • a RACH or PUCCH or PUSCH may be sent on the default partial bandwidth to implicitly indicate the indication information; or a resource transmission associated with the default partial bandwidth may be used on the activated partial bandwidth
  • the RACH is either a PUCCH or a PUSCH to implicitly indicate the indication information.
  • FIG. 7 only schematically illustrates the embodiment of the present invention, but the present invention is not limited thereto.
  • the order of execution between the various steps can be appropriately adjusted, and other steps can be added or some of the steps can be reduced.
  • Those skilled in the art can appropriately adapt to the above contents, and are not limited to the above description of FIG.
  • the embodiment of the invention provides a partial bandwidth configuration method, which is applied to a network device side.
  • the same content of the embodiment of the present invention and the first embodiment will not be described again.
  • FIG. 8 is a schematic diagram of a partial bandwidth configuration method according to an embodiment of the present invention, which is described from the perspective of a network device. As shown in FIG. 8, the configuration method 800 includes:
  • Step 801 The network device sends, to the user equipment, first indication information, which is used to indicate part of the bandwidth switching, so that the user equipment indicates that part of the bandwidth is switched, and the part of the bandwidth that is activated, that is, the first part of the bandwidth is abnormal. In case, the first part of the bandwidth is switched to the second part of the bandwidth.
  • the first indication information may indicate whether the user equipment is capable of performing partial bandwidth switching, or whether part of the bandwidth of each configuration is capable of performing partial bandwidth switching, or whether part of the bandwidth of multiple configurations can be Perform partial bandwidth switching.
  • the configuration method 800 may further include:
  • Step 802 The network device receives second indication information that is sent by the user equipment to indicate that part of the bandwidth is switched.
  • the second indication information may further indicate that the first part of the bandwidth is not working properly.
  • the second indication information may be explicitly carried by one or a combination of channels or signaling: random access channel, RRC signaling (or message), MAC signaling, physical uplink control channel , or physical uplink shared channel. That is, it may be one of the above channels or signaling, or may be any combination of two or more.
  • the second indication information may be implicitly indicated by one or a combination of channels or signaling: random access channel, RRC signaling (or message), MAC signaling, physical uplink control channel , or physical uplink shared channel. That is, it may be one of the above channels or signaling, or may be any combination of two or more.
  • the random access channel or the physical uplink control channel or the physical uplink shared channel or RRC signaling or MAC signaling is sent on the uplink part bandwidth corresponding to the second part of the bandwidth, to implicitly Instructing the second indication information; or the random access channel or the physical uplink control channel or the physical uplink shared channel or RRC signaling or MAC signaling is used on an uplink part bandwidth corresponding to the first part of bandwidth A resource associated with the second portion of the bandwidth is transmitted to implicitly indicate the second indication information.
  • the configuration method 800 may further include:
  • Step 803 The network device performs connection reconfiguration on the user equipment to release or reconfigure one or more partial bandwidths of the user equipment.
  • FIG. 8 only schematically illustrates the embodiment of the present invention, but the present invention is not limited thereto.
  • the order of execution between the various steps can be appropriately adjusted, and other steps can be added or some of the steps can be reduced.
  • Those skilled in the art can appropriately modify the above based on the above contents, and are not limited to the above description of FIG.
  • the user equipment autonomously switches to other BWPs; thus, it is not necessary to immediately release the configuration information of the BWP of the user equipment, which can save signaling overhead and data recovery time. Delay can be reduced to achieve fast channel recovery.
  • the embodiment of the invention provides a partial bandwidth configuration method, which is applied to a network device side.
  • the same content of the embodiment of the present invention and the second embodiment will not be described again.
  • FIG. 9 is a schematic diagram of a partial bandwidth configuration method according to an embodiment of the present invention, which is described from the perspective of a network device. As shown in FIG. 9, the configuration method 900 includes:
  • Step 901 The network device receives indication information that is sent by the user equipment to indicate that part of the bandwidth is switched. The user equipment switches from the activated partial bandwidth to the default partial bandwidth when the timer expires.
  • the indication information may further indicate that the activated partial bandwidth cannot work normally.
  • the indication information may be explicitly carried by one or a combination of the following channels or signaling: a random access channel, RRC signaling, MAC signaling, a physical uplink control channel, or a physical uplink shared channel. .
  • the indication information may be implicitly indicated by one or a combination of channels or signaling: random access channel, RRC signaling, MAC signaling, physical uplink control channel, or physical uplink shared channel .
  • the random access channel or the physical uplink control channel or the physical uplink shared channel or RRC signaling or MAC signaling is sent on the uplink part bandwidth corresponding to the default partial bandwidth, to implicitly Indicating the indication information; or the random access channel or the physical uplink control channel or Transmitting, by the physical uplink shared channel or RRC signaling or MAC signaling, resources associated with the default partial bandwidth on an uplink portion of the bandwidth corresponding to the activated partial bandwidth to implicitly indicate the indication information.
  • the configuration method 900 may further include:
  • Step 902 The network device performs connection reconfiguration on the user equipment to release or reconfigure one or more partial bandwidths of the user equipment.
  • FIG. 9 only schematically illustrates the embodiment of the present invention, but the present invention is not limited thereto.
  • the order of execution between the various steps can be appropriately adjusted, and other steps can be added or some of the steps can be reduced.
  • Those skilled in the art can appropriately adapt according to the above, and are not limited to the description of FIG. 9 described above.
  • the UE after the UE autonomously switches to the default BWP based on the timer, the UE notifies the network device of the information that the BWP is switched, so that the network device can update the information of the BWP where the UE is located according to the information, the network device and Agreement can be reached between user devices.
  • Embodiments of the present invention provide a partial bandwidth switching apparatus.
  • the device may be, for example, a user device or some or some of the components or components of the user device.
  • the same contents of the fifth embodiment as those of the first and third embodiments will not be described again.
  • FIG. 10 is a schematic diagram of a partial bandwidth switching apparatus according to an embodiment of the present invention. As shown in FIG. 10, a partial bandwidth switching apparatus 1000 includes:
  • Determining unit 1001 which determines whether the activated partial bandwidth, that is, the first partial bandwidth is normal
  • the switching unit 1002 switches from the first partial bandwidth to the second partial bandwidth if the first partial bandwidth is abnormal.
  • the partial bandwidth switching apparatus 1000 may further include:
  • the receiving unit 1003 receives the first indication information that is sent by the network device and is used to indicate part of the bandwidth switching.
  • the switching unit 1002 may further switch from the first partial bandwidth to the second partial bandwidth if the first indication information indicates that part of the bandwidth switching is possible and the first partial bandwidth is abnormal.
  • the partial bandwidth switching apparatus 1000 may further include:
  • the holding unit 1004 maintains configuration information of the second partial bandwidth or maintains configuration information of a plurality of or all configured partial bandwidths when the first partial bandwidth is abnormal.
  • the partial bandwidth switching apparatus 1000 may further include:
  • the sending unit 1005 sends second indication information for indicating that part of the bandwidth is switched to the network device.
  • FIG. 11 is another schematic diagram of a partial bandwidth switching apparatus according to an embodiment of the present invention. As shown in FIG. 11, a partial bandwidth switching apparatus 1100 includes:
  • the switching unit 110 which switches from the activated partial bandwidth to the default partial bandwidth when the timer expires;
  • the sending unit 1102 which will send indication information for indicating that part of the bandwidth is switched, to the network device.
  • the partial bandwidth switching device 1000 or 1100 may also include other components or modules. For specific contents of these components or modules, reference may be made to related technologies.
  • connection relationships or signal directions between the various components or modules are exemplarily shown in FIGS. 10 and 11, but it will be apparent to those skilled in the art that various related technologies such as bus connections can be employed.
  • the above various components or modules may be implemented by hardware facilities such as a processor, a memory, a transmitter, a receiver, etc.; the implementation of the present invention is not limited thereto.
  • the user equipment autonomously switches to other BWPs; thus, the configuration information of the BWP of the user equipment does not need to be released immediately, thereby saving signaling overhead and data recovery time. , can reduce the delay to achieve fast channel recovery.
  • the UE After the UE autonomously switches to the default BWP based on the timer, the UE notifies the network device of the information that the BWP is switched, so that the network device can update the information of the BWP where the UE is located according to the information, between the network device and the user equipment. Can reach an agreement.
  • Embodiments of the present invention provide a device for configuring partial bandwidth.
  • the device may be, for example, a network device or some or some of the components or components of the network device.
  • the same contents of the sixth embodiment and the second and fourth embodiments will not be described again.
  • FIG. 12 is a schematic diagram of a partial bandwidth configuration apparatus according to an embodiment of the present invention. As shown in FIG. 12, a partial bandwidth configuration apparatus 1200 includes:
  • the sending unit 1201 sends, to the user equipment, first indication information, which is used to indicate part of the bandwidth switching, so that the user equipment indicates that part of the bandwidth is switched, and the part of the bandwidth that is activated, that is, the first part of the bandwidth, is not in the first indication information. Normally, the first portion of the bandwidth is switched to the second portion of the bandwidth.
  • the partial bandwidth configuration apparatus 1200 may further include:
  • the receiving unit 1202 receives the second indication information that is sent by the user equipment to indicate that part of the bandwidth is switched.
  • the partial bandwidth configuration apparatus 1200 may further include:
  • the configuration unit 1203 performs connection reconfiguration on the user equipment to release or reconfigure one or more partial bandwidths of the user equipment.
  • FIG. 13 is another schematic diagram of a partial bandwidth configuration apparatus according to an embodiment of the present invention. As shown in FIG. 13, a partial bandwidth configuration apparatus 1300 includes:
  • the receiving unit 1301 receives the indication information sent by the user equipment for indicating that part of the bandwidth is switched; wherein the user equipment switches from the activated partial bandwidth to the default partial bandwidth when the timer expires.
  • the partial bandwidth configuration apparatus 1300 may further include:
  • the configuration unit 1302 performs connection reconfiguration on the user equipment to release or reconfigure one or more partial bandwidths of the user equipment.
  • the partial bandwidth configuration device 1200 or 1300 may also include other components or modules. For specific contents of these components or modules, reference may be made to related technologies.
  • connection relationships or signal directions between the various components or modules are exemplarily shown in FIGS. 12 and 13, but it will be apparent to those skilled in the art that various related technologies such as bus connections can be employed.
  • the above various components or modules may be implemented by hardware facilities such as a processor, a memory, a transmitter, a receiver, etc.; the implementation of the present invention is not limited thereto.
  • the user equipment autonomously switches to other BWPs; thus, the configuration information of the BWP of the user equipment does not need to be released immediately, thereby saving signaling overhead and data recovery time. , can reduce the delay to achieve fast channel recovery.
  • the UE After the UE autonomously switches to the default BWP based on the timer, the UE notifies the network device of the information that the BWP is switched, and the network device can update the information of the BWP where the UE is located according to the information. Agreement can be reached between the standby device and the user device.
  • the embodiment of the present invention further provides a communication system.
  • the communication system 100 can include:
  • a network device 101 which is configured with a partial bandwidth configuration device 1200 or 1300 as described in Embodiment 6;
  • User equipment 102 which is configured with a partial bandwidth switching device 1000 or 1100 as described in embodiment 5.
  • the embodiment of the present invention further provides a network device, which may be, for example, a base station, but the present invention is not limited thereto, and may be other network devices.
  • a network device which may be, for example, a base station, but the present invention is not limited thereto, and may be other network devices.
  • FIG. 14 is a schematic structural diagram of a network device according to an embodiment of the present invention.
  • network device 1400 can include a processor 1410 (eg, a central processing unit CPU) and a memory 1420; and a memory 1420 coupled to processor 1410.
  • the memory 1420 can store various data; in addition, a program 1430 for information processing is stored, and the program 1430 is executed under the control of the processor 1410.
  • processor 1410 can be configured to execute program 1430 to implement a partial bandwidth configuration method as described in embodiment 3.
  • the processor 1410 may be configured to perform control of: transmitting, to the user equipment, first indication information for indicating partial bandwidth switching, so that the user equipment indicates that the partial bandwidth switching is enabled and activated at the first indication information.
  • the part of the bandwidth that is, the first part of the bandwidth is not normal, is switched from the first part of the bandwidth to the second part of the bandwidth.
  • the first indication information indicates whether the user equipment is capable of performing partial bandwidth switching, or indicates whether a partial bandwidth of each configuration is capable of partial bandwidth switching, or whether a partial bandwidth of multiple configurations is available. Partial bandwidth switching.
  • the processor 1410 is further configured to perform control of receiving second indication information that is sent by the user equipment to indicate that part of the bandwidth is switched.
  • the second indication information further indicates that the first part of the bandwidth is not working properly.
  • the second indication information is explicitly carried by one or a combination of the following channels or signaling: a random access channel, RRC signaling, MAC signaling, a physical uplink control channel, or a physical uplink shared channel. .
  • the second indication information is implicitly indicated by one or a combination of the following channels or signaling: random access channel, RRC signaling, MAC signaling, physical uplink control channel, or physical uplink sharing. channel.
  • the random access channel or the physical uplink control channel or the physical uplink shared channel or RRC signaling or MAC signaling is sent on an uplink part bandwidth corresponding to the second part of the bandwidth, Implicitly indicating the second indication information; or the random access channel or the physical uplink control channel or the physical uplink shared channel or RRC signaling or MAC signaling in the uplink corresponding to the first part of the bandwidth Resources associated with the second portion of bandwidth are transmitted over a portion of the bandwidth to implicitly indicate the second indication information.
  • the processor 1410 can also be configured to perform control of connection reconfiguration of the user equipment to release or reconfigure one or more partial bandwidths of the user equipment.
  • processor 1410 can be configured to execute program 1430 to implement a partial bandwidth configuration method as described in embodiment 4.
  • the processor 1410 may be configured to perform the following control: receiving indication information sent by the user equipment for indicating that part of the bandwidth is switched; wherein the user equipment switches from the activated partial bandwidth to the default when the timer expires Part of the bandwidth.
  • the network device 1400 may further include: a transceiver 1440, an antenna 1450, and the like; wherein the functions of the foregoing components are similar to the prior art, and details are not described herein again. It should be noted that the network device 1400 does not have to include all the components shown in FIG. 14; in addition, the network device 1400 may further include components not shown in FIG. 14, and reference may be made to the prior art.
  • the embodiment of the present invention further provides a user equipment, but the present invention is not limited thereto, and may be other devices.
  • FIG. 15 is a schematic diagram of a user equipment according to an embodiment of the present invention.
  • the user device 1500 can include a processor 1510 and a memory 1520; the memory 1520 stores data and programs and is coupled to the processor 1510.
  • the figure is exemplary; other types of structures may be used in addition to or in place of the structure to implement telecommunications functions or other functions.
  • the processor 1510 can be configured to execute a program to implement the partial bandwidth switching method as described in Embodiment 1.
  • the processor 1510 can be configured to perform control of determining whether the activated partial bandwidth, ie, the first partial bandwidth, is normal; and switching from the first partial bandwidth to the second partial bandwidth if the first partial bandwidth is abnormal.
  • the second partial bandwidth includes: a default partial bandwidth, an initial partial bandwidth, a partial bandwidth defining a cell, a predefined partial bandwidth, or a partial bandwidth better than the first partial bandwidth.
  • the processor 1510 is further configured to perform control of: receiving, by the network device, first indication information for indicating partial bandwidth switching; and, in the first indication information, indicating that part of the bandwidth is available Switching from the first portion of the bandwidth to the second portion of the bandwidth if the first portion of the bandwidth is not normal.
  • the processor 1510 is further configured to perform control to determine that the first part of the bandwidth is abnormal according to one or more conditions: detecting a radio link failure on the first part of the bandwidth; In a case where a synchronization signal block or a channel state information reference signal is configured on the first partial bandwidth, a signal quality of a synchronization signal block or a channel state information reference signal measured on the first partial bandwidth is lower than a pre-predetermined signal a first threshold value; the channel state information measured on the first portion of the bandwidth is lower than a preset second threshold; and the number of out-of-synchronization indications detected on the first portion of the bandwidth is higher than a preset
  • the third threshold is set; the error block rate of the physical downlink control channel detected on the first part of the bandwidth is higher than a preset fourth threshold.
  • the processor 1510 may be further configured to perform control of maintaining configuration information of the second partial bandwidth or maintaining a plurality of or all configured portions if the first partial bandwidth is abnormal Bandwidth configuration information.
  • the processor 1510 may be further configured to perform control of transmitting, to the network device, second indication information indicating that a portion of the bandwidth is switched.
  • the processor 1510 can be configured to execute a program to implement the partial bandwidth switching method as described in Embodiment 2.
  • the processor 1510 can be configured to perform control to switch from the activated partial bandwidth to the default partial bandwidth if the timer expires; and to transmit indication information indicating that the partial bandwidth is switched to the network device.
  • the user equipment 1500 may further include: a communication module 1530, an input unit 1540, a display 1550, and a power source 1560.
  • the functions of the above components are similar to those of the prior art, and are not described herein again. It should be noted that the user equipment 1500 does not have to include all the components shown in FIG. 15, and the above components are not required; in addition, the user equipment 1500 may further include components not shown in FIG. There are technologies.
  • the embodiment of the present invention further provides a computer readable program, wherein when the program is executed in a network device, the program causes the network device to perform the partial bandwidth configuration method described in Embodiment 3 or 4.
  • An embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer is The reading program causes the network device to perform the partial bandwidth configuration method described in Embodiment 3 or 4.
  • the embodiment of the present invention further provides a computer readable program, wherein when the program is executed in a user equipment, the program causes the user equipment to perform the partial bandwidth switching method described in Embodiment 1 or 2.
  • the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes the user equipment to perform the partial bandwidth switching method described in Embodiment 1 or 2.
  • the above apparatus and method of the present invention may be implemented by hardware or by hardware in combination with software.
  • the present invention relates to a computer readable program that, when executed by a logic component, enables the logic component to implement the apparatus or components described above, or to cause the logic component to implement the various methods described above Or steps.
  • the present invention also relates to a storage medium for storing the above program, such as a hard disk, a magnetic disk, an optical disk, a DVD, a flash memory, or the like.
  • the method/apparatus described in connection with the embodiments of the invention may be embodied directly in hardware, a software module executed by a processor, or a combination of both.
  • one or more of the functional blocks shown in the figures and/or one or more combinations of the functional blocks may correspond to the various software modules of the computer program flow or to the various hardware modules.
  • These software modules may correspond to the respective steps shown in the figures.
  • These hardware modules can be implemented, for example, by curing these software modules using a Field Programmable Gate Array (FPGA).
  • FPGA Field Programmable Gate Array
  • the software module can reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, removable disk, CD-ROM, or any other form of storage medium known in the art.
  • a storage medium can be coupled to the processor to enable the processor to read information from, and write information to, the storage medium; or the storage medium can be an integral part of the processor.
  • the processor and the storage medium can be located in an ASIC.
  • the software module can be stored in the memory of the mobile terminal or in a memory card that can be inserted into the mobile terminal.
  • the software module can be stored in the MEGA-SIM card or a large-capacity flash memory device.
  • One or more of the functional blocks described in the figures and/or one or more combinations of functional blocks may be implemented as a general purpose processor, digital signal processor (DSP) for performing the functions described herein.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • One or more of the functional blocks described with respect to the figures and/or one or more combinations of functional blocks may also be implemented as a combination of computing devices, eg, a combination of a DSP and a microprocessor, multiple microprocessors One or more micro-combinations combined with DSP communication Processor or any other such configuration.
  • a partial bandwidth switching device comprising:
  • a switching unit that switches from an active partial bandwidth to a default partial bandwidth if the timer expires
  • a sending unit that will send indication information to the network device indicating that part of the bandwidth is switched.
  • Supplementary note 2 The device according to the supplementary note 1, wherein the indication information further indicates that the activated partial bandwidth is not working properly.
  • Supplementary note 3 The apparatus according to supplementary note 1, wherein the indication information is explicitly carried by one or a combination of the following channels or signaling: RRC signaling, MAC signaling, random access channel, physical uplink Control channel, or physical uplink shared channel.
  • Supplementary note 4 The device according to the supplementary note 1, wherein the indication information is implicitly indicated by one or a combination of the following channels or signaling: RRC signaling, MAC signaling, random access channel, physical uplink control Channel, or physical uplink shared channel.
  • the transmitting unit transmits the random access channel or the physical uplink control channel or the physics on an uplink part bandwidth corresponding to the default partial bandwidth Uplinking a shared channel or the RRC signaling or the MAC signaling to implicitly indicate the indication information; or
  • Appendix 6 a partial bandwidth configuration device, comprising:
  • a receiving unit which receives indication information that is sent by the user equipment to indicate that part of the bandwidth is switched;
  • the user equipment switches from the activated partial bandwidth to the default part when the timer expires. bandwidth.
  • indication information further indicates that the activated partial bandwidth is not working properly.
  • Supplementary note 8 The apparatus according to supplementary note 6, wherein the indication information is explicitly carried by one or a combination of the following channels or signaling: RRC signaling, MAC signaling, random access channel, physical uplink control Channel, or physical uplink shared channel.
  • indication information is implicitly indicated by one or a combination of channels or signaling: RRC signaling, MAC signaling, random access channel, physical uplink Control channel, or physical uplink shared channel.
  • the random access channel or the physical uplink control channel or the physical uplink shared channel or the RRC signaling or the MAC signaling is used on the uplink part bandwidth corresponding to the activated partial bandwidth.
  • a portion of the bandwidth associated resource is sent to implicitly indicate the indication information.
  • a configuration unit that performs connection reconfiguration on the user equipment to release or reconfigure one or more partial bandwidths of the user equipment.
  • Supplementary note 12 is a communication system, the communication system comprising:
  • a network device comprising a partial bandwidth configuration device as described in Attachment 6.

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Abstract

一种部分带宽的切换和配置方法、装置及通信系统。所述部分带宽的切换方法包括：确定激活的部分带宽即第一部分带宽是否不正常；以及在所述第一部分带宽不正常的情况下从所述第一部分带宽切换到第二部分带宽。由此，不需要立即释放用户设备的部分带宽的配置信息，能够节省信令开销和数据恢复的时间，可以降低时延以实现快速的信道恢复。

Description

部分带宽的切换和配置方法、装置及通信系统 技术领域
本发明实施例涉及通信技术领域，特别涉及一种部分带宽的切换和配置方法、装置及通信系统。
背景技术
在第三代合作伙伴计划(3GPP，3rd Generation Partnership Project)中引入了部分带宽(BWP，Bandwidth Part)，其中一个动机是优化用户设备(UE，User equipment)的功率消耗。
在长期演进(LTE，Long Term Evolution)系统Release 15中，最大信道带宽可能达到400MHz(即宽载波)。如果具有宽带能力的用户设备一直工作在上述宽载波上，那么功率消耗会很大。因此，非常期望用户设备使用的带宽能够根据实际要求的吞吐量被调节。
例如，如果用户设备以较低的数据速率发送信息，那么应当为该用户设备配置较小(或较窄)的带宽，这样能够降低功率消耗。相反，如果用户设备要求较高的数据速率，那么更宽的带宽应当被配置给该用户设备，这样能够提高传输效率。
应该注意，上面对技术背景的介绍只是为了方便对本发明的技术方案进行清楚、完整的说明，并方便本领域技术人员的理解而阐述的。不能仅仅因为这些方案在本发明的背景技术部分进行了阐述而认为上述技术方案为本领域技术人员所公知。
发明内容
发明人发现：随着BWP的引入，可以为用户设备预先配置一个或多个BWP。用户设备可以使用激活的BWP(active BWP)进行工作，并且多个BWP之间可以通过信令(例如下行控制信息)或者定时器进行切换。
但是，当在激活的BWP出现异常(或者称为出现问题)的情况下，例如检测到无线链路失败(RLF，Radio Link Failure)时，如果遵循LTE的过程，则用户设备需要发起无线资源控制(RRC，Radio Resource Control)连接重建过程；这个过程包括清除或复位某些BWP配置信息、执行小区选择、然后在选择的小区上执行RRC连接 重建过程、以及接收网络设备发送的RRC连接重配置信息来恢复之前的业务。这可能引起较大的延迟，对于时延敏感的业务来说难以接受。
本发明实施例提供一种部分带宽的切换和配置方法、装置及通信系统。在激活的BWP出现异常的情况下，用户设备能够自主地(autonomously)切换到其它BWP来实现快速的信道恢复。
根据本发明实施例的第一个方面，提供一种部分带宽的切换方法，包括：
确定激活的部分带宽即第一部分带宽是否不正常；以及
在所述第一部分带宽不正常的情况下从所述第一部分带宽切换到第二部分带宽。
根据本发明实施例的第二个方面，提供一种部分带宽的切换装置，包括：
确定单元，其确定激活的部分带宽即第一部分带宽是否不正常；以及
切换单元，其在所述第一部分带宽不正常的情况下从所述第一部分带宽切换到第二部分带宽。
根据本发明实施例的第三个方面，提供一种部分带宽的配置方法，包括：
向用户设备发送用于指示部分带宽切换的第一指示信息，以使得所述用户设备在所述第一指示信息指示能够进行部分带宽切换并且激活的部分带宽即第一部分带宽不正常的情况下，从所述第一部分带宽切换到第二部分带宽。
根据本发明实施例的第四个方面，提供一种部分带宽的配置装置，包括：
发送单元，其向用户设备发送用于指示部分带宽切换的第一指示信息，以使得所述用户设备在所述第一指示信息指示能够进行部分带宽切换并且激活的部分带宽即第一部分带宽不正常的情况下，从所述第一部分带宽切换到第二部分带宽。
根据本发明实施例的第五个方面，提供一种通信系统，包括：
网络设备，其包括如上第四方面所述的部分带宽的配置装置；
用户设备，其包括如上第二方面所述的部分带宽的切换装置。
本发明实施例的有益效果在于：在激活的BWP出现异常的情况下，用户设备自主地切换到其它BWP；由此，不需要立即释放用户设备的BWP的配置信息，能够节省信令开销和数据恢复的时间，可以降低时延以实现快速的信道恢复。
参照后文的说明和附图，详细公开了本发明的特定实施方式，指明了本发明的原理可以被采用的方式。应该理解，本发明的实施方式在范围上并不因而受到限制。在所附权利要求的精神和条款的范围内，本发明的实施方式包括许多改变、修改和等同。
针对一种实施方式描述和/或示出的特征可以以相同或类似的方式在一个或更多个其它实施方式中使用，与其它实施方式中的特征相组合，或替代其它实施方式中的特征。
应该强调，术语“包括/包含”在本文使用时指特征、整件、步骤或组件的存在，但并不排除一个或更多个其它特征、整件、步骤或组件的存在或附加。
附图说明
在本发明实施例的一个附图或一种实施方式中描述的元素和特征可以与一个或更多个其它附图或实施方式中示出的元素和特征相结合。此外，在附图中，类似的标号表示几个附图中对应的部件，并可用于指示多于一种实施方式中使用的对应部件。
图1是本发明实施例的通信系统的一示意图；
图2是本发明实施例的被配置的BWP的示意图；
图3是本发明实施例的BWP被重配置的示意图；
图4是本发明实施例的配置多个BWP的示意图；
图5是本发明实施例的部分带宽的切换方法的示意图；
图6是本发明实施例的部分带宽的切换方法的另一示意图；
图7是本发明实施例的部分带宽的切换方法的另一示意图；
图8是本发明实施例的部分带宽的配置方法的示意图；
图9是本发明实施例的部分带宽的配置方法的另一示意图；
图10是本发明实施例的部分带宽的切换装置的示意图；
图11是本发明实施例的部分带宽的切换装置的另一示意图；
图12是本发明实施例的部分带宽的配置装置的示意图；
图13是本发明实施例的部分带宽的配置装置的另一示意图；
图14是本发明实施例的网络设备的示意图；
图15是本发明实施例的用户设备的示意图。
具体实施方式
参照附图，通过下面的说明书，本发明的前述以及其它特征将变得明显。在说明书和附图中，具体公开了本发明的特定实施方式，其表明了其中可以采用本发明的原 则的部分实施方式，应了解的是，本发明不限于所描述的实施方式，相反，本发明包括落入所附权利要求的范围内的全部修改、变型以及等同物。
在本发明实施例中，术语“第一”、“第二”等用于对不同元素从称谓上进行区分，但并不表示这些元素的空间排列或时间顺序等，这些元素不应被这些术语所限制。术语“和/或”包括相关联列出的术语的一种或多个中的任何一个和所有组合。术语“包含”、“包括”、“具有”等是指所陈述的特征、元素、元件或组件的存在，但并不排除存在或添加一个或多个其他特征、元素、元件或组件。
在本发明实施例中，单数形式“一”、“该”等包括复数形式，应广义地理解为“一种”或“一类”而并不是限定为“一个”的含义；此外术语“所述”应理解为既包括单数形式也包括复数形式，除非上下文另外明确指出。此外术语“根据”应理解为“至少部分根据……”，术语“基于”应理解为“至少部分基于……”，除非上下文另外明确指出。
在本发明实施例中，术语“通信网络”或“无线通信网络”可以指符合如下任意通信标准的网络，例如长期演进(LTE，Long Term Evolution)、增强的长期演进(LTE-A，LTE-Advanced)、宽带码分多址接入(WCDMA，Wideband Code Division Multiple Access)、高速报文接入(HSPA，High-Speed Packet Access)等等。
并且，通信系统中设备之间的通信可以根据任意阶段的通信协议进行，例如可以包括但不限于如下通信协议：1G(generation)、2G、2.5G、2.75G、3G、4G、4.5G以及未来的5G、新无线(NR，New Radio)等等，和/或其他目前已知或未来将被开发的通信协议。
在本发明实施例中，术语“网络设备”例如是指通信系统中将终端设备接入通信网络并为该终端设备提供服务的设备。网络设备可以包括但不限于如下设备：基站(BS，Base Station)、接入点(AP、Access Point)、发送接收点(TRP，Transmission Reception Point)、广播发射机、移动管理实体(MME、Mobile Management Entity)、网关、服务器、无线网络控制器(RNC，Radio Network Controller)、基站控制器(BSC，Base Station Controller)等等。
其中，基站可以包括但不限于：节点B(NodeB或NB)、演进节点B(eNodeB或eNB)以及5G基站(gNB)，等等，此外还可包括远端无线头(RRH，Remote Radio Head)、远端无线单元(RRU，Remote Radio Unit)、中继(relay)或者低功率节点(例 如femto、pico等等)。并且术语“基站”可以包括它们的一些或所有功能，每个基站可以对特定的地理区域提供通信覆盖。术语“小区”可以指的是基站和/或其覆盖区域，这取决于使用该术语的上下文。
在本发明实施例中，术语“用户设备”(UE，User Equipment)或者“终端设备”(TE，Terminal Equipment)例如是指通过网络设备接入通信网络并接收网络服务的设备。用户设备可以是固定的或移动的，并且也可以称为移动台(MS，Mobile Station)、终端、用户台(SS，Subscriber Station)、接入终端(AT，Access Terminal)、站，等等。
其中，用户设备可以包括但不限于如下设备：蜂窝电话(Cellular Phone)、个人数字助理(PDA，Personal Digital Assistant)、无线调制解调器、无线通信设备、手持设备、机器型通信设备、膝上型计算机、无绳电话、智能手机、智能手表、数字相机，等等。
再例如，在物联网(IoT，Internet of Things)等场景下，用户设备还可以是进行监控或测量的机器或装置，例如可以包括但不限于：机器类通信(MTC，Machine Type Communication)终端、车载通信终端、设备到设备(D2D，Device to Device)终端、机器到机器(M2M，Machine to Machine)终端，等等。
此外，术语“网络侧”或“网络设备侧”是指网络的一侧，可以是某一基站，也可以包括如上的一个或多个网络设备。术语“用户设备侧”或“用户侧”是指用户的一侧，可以是某一UE，也可以包括如上的一个或多个用户设备。
以下通过示例对本发明实施例的场景进行说明，但本发明不限于此。
图1是本发明实施例的通信系统的一示意图，示意性说明了以用户设备和网络设备为例的情况，如图1所示，通信系统100可以包括网络设备101和用户设备102。为简单起见，图1仅以一个用户设备和一个网络设备为例进行说明，但本发明实施例不限于此。
在本发明实施例中，网络设备101和用户设备102之间可以进行现有的业务或者未来可实施的业务。例如，这些业务可以包括但不限于：增强的移动宽带(eMBB，enhanced Mobile Broadband)、大规模机器类型通信(mMTC，massive Machine Type Communication)和高可靠低时延通信(URLLC，Ultra-Reliable and Low-Latency Communication)，等等。
随着BWP的引入，用户设备使用的带宽能根据实际要求的吞吐量来被调节。
图2是本发明实施例的被配置的BWP的示意图。如图2所示，对于某些用户设备，例如具有宽带能力但工作在较低数据速率的用户设备、或者具有窄带能力的用户设备，可以被配置较小或较窄带宽的BWP。
图3是本发明实施例的BWP被重配置的示意图。如图3所示，对于某些用户设备，例如具有宽带能力但被配置了较小或较窄带宽的BWP的用户设备，随着数据速率的增加，BWP的带宽可以被重配置。例如如图3所示，该用户设备的BWP可以从较窄的BWP 1重配置为较宽的BWP 2。
图4是本发明实施例的配置多个BWP的示意图。如图4所示，对于某些用户设备，例如具有宽带能力且工作在较高数据速率的用户设备、或者具有载波聚合能力的用户设备，能够预先配置有多个BWP。例如如图4所示，该用户设备的BWP可以包括具有制式(numerology)1的BWP 1以及具有制式2的BWP 2。
在3GPP RAN1#90bis上对BWP有一些结论：
例如，对于频分双工(FDD，Frequency Division Duplex)的成对频谱，对于用户设备特定(UE-specific)的服务小区，在Release 15中下行(DL，Downlink)BWP和上行(UL，Uplink)BWP被单独和独立地配置。对于激活的BWP的切换可以使用下行控制信息(DCI，Downlink Control Information)，例如DCI被用于DL active BWP的切换。是否支持单个DCI联合切换DL和UL BWP，还需要进一步研究。
再例如，对于时分双工(TDD，Time Division Duplex)的不成对频谱，一个DL BWP和一个UL BWP被联合配置为一个BWP对；对每个UE特定的服务小区，在Release 15中该BWP对的DL BWP和UL BWP共享相同的中心频率、但带宽可能不同。对于激活的BWP的切换可以使用DCI，该DCI可以被用于从一个BWP对到另一个BWP对的切换。
再例如，成对频谱的情况下可以支持专用的定时器，基于定时器可以将激活的DL BWP切换到默认DL BWP。例如，当用户设备切换其active DL BWP到除了该默认DL BWP的其他DL BWP时，用户设备启动该定时器；当用户设备成功解码active DL BWP中调度的物理下行共享信道(PDSCH，Physical downlink Shared Channel)的DCI时，用户设备重启该定时器到初始值；在该定时器超时的情况下，用户设备切换自己的active DL BWP到默认DL BWP。
再例如，对不成对频谱的情况下支持专用的定时器，基于定时器可以将激活的DL/UL BWP切换到默认的DL/UL BWP。例如，当用户设备切换其active DL/UL BWP到除了该默认DL/UL BWP的其他DL/UL BWP时，用户设备启动该定时器；当用户设备成功解码active DL/UL BWP中调度的PDSCH的DCI时，用户设备重启该定时器到初始值；在该定时器超时的情况下，用户设备切换自己的active DL/UL BWP到默认的DL/UL BWP。
发明人发现，当在激活的BWP出现异常的情况下，例如检测到RLF时或者信号质量下降时，如果遵循LTE的过程，则用户设备需要发起RRC连接重建过程，这可能引起较大的延迟，对时延敏感的业务来说难以接受。
而在宽载波上，如果配置给用户设备的BWP的频率范围彼此不重叠或者相隔较远，BWP之间可能有非常不同的信道特点。因此，激活的DL BWP上出现信号质量问题可能不一定意味着其它BWP也无法工作；用户设备可以自主地切换到其它BWP来实现快速的信道恢复。
以下将以NR系统为例，对本发明实施例进行说明；但本发明不限于此，还可以适用于任何存在类似问题的系统中。
实施例1
本发明实施例提供一种部分带宽的切换方法，应用于用户设备侧。
图5是本发明实施例的部分带宽的切换方法的示意图，从用户设备的角度进行说明。如图5所示，切换方法500包括：
步骤501，用户设备确定激活的部分带宽即第一部分带宽是否不正常；以及
步骤502，用户设备在所述第一部分带宽不正常的情况下，从所述第一部分带宽切换到第二部分带宽。
在本实施例中，所述第二部分带宽可以包括如下的一种或多种：默认的部分带宽、初始的部分带宽、定义小区(例如该小区能够发送系统信息)的部分带宽、预先定义的部分带宽(例如可以由UE预先定义或者由网络设备预先配置)、或者信道条件比所述第一部分带宽更好的部分带宽；这里的信道条件例如可以是参考信号接收功率(RSRP，Reference Signal Received Power)，或者参考信号接收质量(RSRQ，Reference Signal Received Quality)，或者信干噪比(SINR，Signal to Interference plus Noise Ratio)。 但本发明不限于此，还可以是其他任意配置的或定义BWP；或者还可以采用其他的信道条件。
在本实施例中，BWP不正常例如可以是信道或信号的质量出现下降，或者出现RLF，或者数据传输出现问题而不能满足需要等。但本发明不限于此，例如还可以是其他不能满足正常的数据或信息传输的情况。
由此，通过用户设备的自主切换，不需要立即释放BWP的配置信息，能够节省信令开销和数据恢复的时间，可以降低时延以实现快速的信道恢复。
在本实施例中，如果用户设备切换到的第二部分带宽仍然不正常，则用户设备可以选择发起RRC连接重建过程或者自主切换到第三部分带宽。关于RRC连接重建过程可以参考相关技术；而从第二部分带宽自主切换到第三部分带宽的内容，与从第一部分带宽自主切换到第二部分带宽类似。本发明实施例以从第一部分带宽自主切换到第二部分带宽为例进行说明，但本发明不限于此，例如对于多次自主切换的情况可以类似地处理。
图6是本发明实施例的部分带宽的切换方法的另一示意图，从用户设备和网络设备的角度进行说明。如图6所示，切换方法600包括：
步骤601，网络设备向用户设备发送用于指示部分带宽切换的第一指示信息；
在本实施例中，可以由网络设备对BWP的切换进行指示。所述第一指示信息可以指示用户设备是否能够进行部分带宽切换，例如该第一指示信息为1比特(bit)，其中“1”表示该用户设备能够进行BWP切换，“0”表示用户设备不能够进行BWP切换。
或者，所述第一指示信息可以指示每一配置的部分带宽是否能够进行部分带宽切换或者指示多个配置的部分带宽是否能够进行部分带宽切换。例如，该用户设备预先配置有4个BWP，该第一指示信息可以包括4比特，每个比特分别对应一个BWP；或者包括2比特，每个比特分别对应两个BWP。
在本实施例中，第一指示信息可以被包括在专用消息中，例如配置BWP的RRC消息中；也可以被包括在系统信息(SI，System Information)中。但本发明不限于此，可以根据实际需要确定具体的形式和/或载体。通过该第一指示信息，网络设备和用户设备之间可以更加灵活地进行BWP切换。
如图6所示，切换方法600还包括：
步骤602，用户设备确定激活的部分带宽即第一部分带宽是否不正常；以及
步骤603，用户设备在所述第一指示信息指示能够进行部分带宽切换并且所述第一部分带宽不正常的情况下，从所述第一部分带宽切换到第二部分带宽。
在本实施例中，如果所述第一指示信息指示不能够进行BWP切换或者所述第一部分带宽正常，则可以采用现有的LTE过程，本发明实施例不再对此说明。
以下假设第一指示信息指示能够进行BWP切换且第一部分带宽不正常，在此情况下，用户设备自主地进行BWP切换。例如，在不成对频谱的情况下，UL BWP和DL BWP可以被同时切换；在成对频谱的情况下，可以只有DL BWP被切换。
在本实施例中，用户设备可以根据如下的一个或多个条件确定所述第一部分带宽不正常。例如，在所述第一部分带宽上检测到无线链路失败；在所述第一部分带宽上配置了同步信号块(SSB，Synchronization Signal Block)或者信道状态信息参考信号(CSI-RS，Channel State Information Reference Signal)的情况下，在所述第一部分带宽上测量到的SSB的信号质量或者CSI-RS的信号质量低于预设的第一门限值；在所述第一部分带宽上测量到的CSI低于预设的第二门限值；在所述第一部分带宽上检测到的失步指示个数(例如以out of sync表示)高于预设的第三门限值；在所述第一部分带宽上检测到的物理下行控制信道(PDCCH，Physical Downlink Control Channel)的误块率(BLER，Block Error Rate)高于预设的第四门限值。
值得注意的是，以上仅示意性说明了确定激活的BWP不正常(或者称为出现问题)的条件，但本发明不限于此，还可以使用其他的条件。此外，上述各条件可以单独使用，也可以将两个以上的条件结合起来使用。对于上述的第一至第四门限值，可以预先设置或定义，例如可以根据经验值确定，本发明不对此进行限制。
在本实施例中，在所述第一部分带宽不正常的情况下，用户设备不进行RRC连接重建过程，而是保持所述第二部分带宽的配置信息，或者保持多个或所有配置的部分带宽的配置信息。由此，能够节省信令开销和数据恢复的时间。此外，如果用户设备切换到的第二部分带宽仍然不正常，则用户设备可以选择发起RRC连接重建过程或者自主切换到第三部分带宽。
如图6所示，切换方法600还可以包括：
步骤604，用户设备向网络设备发送用于指示部分带宽被切换的第二指示信息。
在本实施例中，用户设备可以使用第二指示信息通知网络设备：该用户设备已经 从第一部分带宽(即激活的BWP)切换到第二部分带宽(例如默认的BWP、初始的BWP或定义小区的BWP)。此外，所述第二指示信息还可以指示所述第一部分带宽无法正常工作。
在一个实施方式中，第二指示信息可以由随机接入信道(RACH，Radom Access Channel)或者物理上行控制信道(PUCCH，Physical Uplink Control Channel)或者物理上行共享信道(PUSCH，Physical Uplink Shared Channel)显式地承载。但本发明不限于此，例如还可以由RRC信令或者介质访问控制(MAC，Medium Access Control)信令显式地承载。
例如，UE切换到默认的BWP上之后，可以判断UL BWP是否进行了切换。如果UL BWP被切换，UE可以在切换后的UL BWP上执行随机接入过程，例如将指示信息包含在RACH中或者随机接入消息3(即PUSCH)中；如果UL BWP没有被切换，则UE可以仍在激活的UL BWP上发送PUCCH或者PUSCH，例如将指示信息包含在PUCCH或者PUSCH中，指示网络设备该UE进行了自主切换。
例如，该第二指示信息可以为1比特，指示激活的BWP出现问题。当UE的默认BWP也发生问题且UE无法在默认BWP上发送第二指示信息时，UE可能切换到第三BWP上并在第三BWP上发生第二指示信息，此时第二指示信息也可以包含多个比特，指示一个或多个曾经出现问题的BWP的索引或标识信息。
在另一个实施方式中，第二指示信息可以由RACH或者PUCCH或者PUSCH隐式地指示。但本发明不限于此，例如还可以由RRC信令或MAC信令隐式地指示。
例如，对于UL BWP和DL BWP均被切换的情况，UE可以在所述第二部分带宽(例如默认的BWP)对应的上行部分带宽上发送RACH或者PUCCH或者PUSCH，以隐式地指示所述第二指示信息。网络设备在所述第二部分带宽(例如默认的BWP)上接收到RACH或者PUCCH或者PUSCH，即可以知道UE的激活的BWP已被切换。
再例如，对于DL BWP被切换的情况，UE可以使用与所述第二部分带宽相关联的资源，例如与该DL BWP具有某种映射关系的RACH前导(preamble)或RACH时频资源或PUCCH资源或PUSCH资源，在所述第一部分带宽对应的上行部分带宽(例如激活的UL BWP)上发送RACH或者PUCCH或者PUSCH，以隐式地指示所述第二指示信息。网络设备根据UL BWP上的这些资源，即可以知道UE的激活的DL BWP已被切换。
如图6所示，切换方法600还可以包括：
步骤605，网络设备对所述用户设备进行连接重配置，释放或重配置所述用户设备的一个或多个部分带宽。
在本实施例中，在收到第二指示信息后，网络设备可以执行后续的操作。例如执行RRC连接重配置过程，来释放或者重配置不正常的BWP。
值得注意的是，以上附图5和图6仅对本发明实施例进行了示意性说明，但本发明不限于此。例如可以适当地调整各个步骤之间的执行顺序，此外还可以增加其他的一些步骤或者减少其中的某些步骤。本领域的技术人员可以根据上述内容进行适当地变型，而不仅限于上述附图5和6的记载。
以下以在UE激活的BWP上发生了RLF为例进行说明。
例如，该UE的物理层在激活的BWP上检测到失步，则该物理层向RRC层进行报告；物理层向RRC层报告的失步指示中，可以携带BWP的信息，例如当前发生失步的激活的BWP是否是默认的BWP、或者当前发生失步的激活的BWP的索引或标识。
例如，该UE的RRC层可以根据该物理层的失步指示和3GPP规范来确定是否发生RLF，当确定发生了RLF时，RRC层将根据网络设备发送的第一指示信息，确定是发起常规的RRC连接重建过程还是进行自主的BWP切换。如果确定进行自主的BWP切换，该RRC层将指示该物理层从激活的BWP切换到其它BWP(例如默认的BWP)上。
由上述实施例可知，在激活的BWP出现异常的情况下，用户设备自主地切换到其它BWP；由此不需要立即释放用户设备的BWP的配置信息，能够节省信令开销和数据恢复的时间，可以降低时延以实现快速的信道恢复。
实施例2
本发明实施例提供一种部分带宽的切换方法，应用于用户设备侧。本发明实施例与实施例1相同的内容不再赘述。
图7是本发明实施例的部分带宽的切换方法的示意图，从用户设备的角度进行说明。如图7所示，切换方法700包括：
步骤701，用户设备在定时器超时的情况下，从激活的部分带宽切换到默认的部 分带宽；以及
步骤702，用户设备向网络设备发送用于指示部分带宽被切换的指示信息。
在UE配置了专用定时器用于从激活的BWP切换到默认的BWP的情况下，当UE的物理层未在激活的BWP上收到PDCCH或在激活的BWP上接收PDCCH失败时，UE侧回退到默认的BWP的专用定时器将继续运行。但是，网络设备由于在该激活的BWP上发送了PDCCH而会重启网络设备侧回退到默认的BWP的专用定时器。该网络设备由于没有收到UE的反馈，会重发之前的数据，因此会再次在该激活的BWP上发送PDCCH，并重启网络设备侧回退到默认的BWP的专用定时器。
这样，UE侧回退到默认BWP的专用定时器可能先超时，这样UE将自主地切换到该默认的BWP上，而网络设备由于网络设备侧回退到默认的BWP的专用定时器没有超时，会认为UE可能仍然位于之前激活的BWP上。
在本实施例中，UE在基于定时器自主地切换到默认的BWP后，将BWP被切换的信息通知给网络设备，由此网络设备可以根据该信息更新UE所在的BWP的信息，网络设备和用户设备之间能够达成一致。
在本实施例中，所述指示信息还可以指示所述激活的部分带宽无法正常工作。
在一个实施方式中，所述指示信息可以由如下的信道或者信令之一或组合显式地承载：RRC信令(或者消息)、MAC信令、RACH、PUCCH、PUSCH。即可以是上述的信道或信令之一，也可以任意两种或以上的组合。
在另一个实施方式中，所述指示信息可以由如下的信道或者信令之一或组合隐式地指示：RRC信令(或者消息)、MAC信令、RACH、PUCCH、PUSCH。即可以是上述的信道或信令之一，也可以任意两种或以上的组合。
例如，可以在所述默认的部分带宽上发送RACH或者PUCCH或者PUSCH，以隐式地指示所述指示信息；或者在所述激活的部分带宽上使用与所述默认的部分带宽相关联的资源发送RACH或者PUCCH或者PUSCH，以隐式地指示所述指示信息。
值得注意的是，以上附图7仅对本发明实施例进行了示意性说明，但本发明不限于此。例如可以适当地调整各个步骤之间的执行顺序，此外还可以增加其他的一些步骤或者减少其中的某些步骤。本领域的技术人员可以根据上述内容进行适当地变型，而不仅限于上述附图7的记载。
实施例3
本发明实施例提供一种部分带宽的配置方法，应用于网络设备侧。本发明实施例与实施例1相同的内容不再赘述。
图8是本发明实施例的部分带宽的配置方法的示意图，从网络设备的角度进行说明。如图8所示，配置方法800包括：
步骤801，网络设备向用户设备发送用于指示部分带宽切换的第一指示信息，使得所述用户设备在所述第一指示信息指示能够进行部分带宽切换并且激活的部分带宽即第一部分带宽不正常的情况下，从所述第一部分带宽切换到第二部分带宽。
在本实施例中，所述第一指示信息可以指示所述用户设备是否能够进行部分带宽切换，或者指示每一配置的部分带宽是否能够进行部分带宽切换，或者指示多个配置的部分带宽是否能够进行部分带宽切换。
如图8所示，配置方法800还可以包括：
步骤802，网络设备接收用户设备发送的用于指示部分带宽被切换的第二指示信息。
在本实施例中，所述第二指示信息还可以指示所述第一部分带宽无法正常工作。
在一个实施方式中，所述第二指示信息可以由如下的信道或信令之一或组合显式地承载：随机接入信道，RRC信令(或消息)，MAC信令，物理上行控制信道，或者物理上行共享信道。即可以是上述的信道或信令之一，也可以任意两种或以上的组合。
在另一个实施方式中，所述第二指示信息可以由如下信道或信令之一或组合隐式地指示：随机接入信道，RRC信令(或消息)，MAC信令，物理上行控制信道，或者物理上行共享信道。即可以是上述的信道或信令之一，也可以任意两种或以上的组合。
例如，所述随机接入信道或者所述物理上行控制信道或者所述物理上行共享信道或者RRC信令或者MAC信令在所述第二部分带宽对应的上行部分带宽上被发送，以隐式地指示所述第二指示信息；或者所述随机接入信道或者所述物理上行控制信道或者所述物理上行共享信道或者RRC信令或者MAC信令在所述第一部分带宽对应的上行部分带宽上使用与所述第二部分带宽相关联的资源被发送，以隐式地指示所述第二指示信息。
如图8所示，配置方法800还可以包括：
步骤803，网络设备对所述用户设备进行连接重配置，以释放或重配置所述用户设备的一个或多个部分带宽。
值得注意的是，以上附图8仅对本发明实施例进行了示意性说明，但本发明不限于此。例如可以适当地调整各个步骤之间的执行顺序，此外还可以增加其他的一些步骤或者减少其中的某些步骤。本领域的技术人员可以根据上述内容进行适当地变型，而不仅限于上述附图8的记载。
由上述实施例可知，在激活的BWP出现异常的情况下，用户设备自主地切换到其它BWP；由此不需要立即释放用户设备的BWP的配置信息，能够节省信令开销和数据恢复的时间，可以降低时延以实现快速的信道恢复。
实施例4
本发明实施例提供一种部分带宽的配置方法，应用于网络设备侧。本发明实施例与实施例2相同的内容不再赘述。
图9是本发明实施例的部分带宽的配置方法的示意图，从网络设备的角度进行说明。如图9所示，配置方法900包括：
步骤901，网络设备接收用户设备发送的用于指示部分带宽被切换的指示信息；其中，所述用户设备在定时器超时的情况下从激活的部分带宽切换到默认的部分带宽上。
在本实施例中，所述指示信息还可以指示所述激活的部分带宽无法正常工作。
在一个实施方式中，所述指示信息可以由如下的信道或信令之一或组合显式地承载：随机接入信道，RRC信令，MAC信令，物理上行控制信道，或者物理上行共享信道。
在另一个实施方式中，所述指示信息可以由如下信道或信令之一或组合隐式地指示：随机接入信道，RRC信令，MAC信令，物理上行控制信道，或者物理上行共享信道。
例如，所述随机接入信道或者所述物理上行控制信道或者所述物理上行共享信道或者RRC信令或者MAC信令在所述默认的部分带宽对应的上行部分带宽上被发送，以隐式地指示所述指示信息；或者所述随机接入信道或者所述物理上行控制信道或者 所述物理上行共享信道或者RRC信令或者MAC信令在所述激活的部分带宽对应的上行部分带宽上使用与所述默认的部分带宽相关联的资源被发送，以隐式地指示所述指示信息。
如图9所示，配置方法900还可以包括：
步骤902，网络设备对所述用户设备进行连接重配置，以释放或重配置所述用户设备的一个或多个部分带宽。
值得注意的是，以上附图9仅对本发明实施例进行了示意性说明，但本发明不限于此。例如可以适当地调整各个步骤之间的执行顺序，此外还可以增加其他的一些步骤或者减少其中的某些步骤。本领域的技术人员可以根据上述内容进行适当地变型，而不仅限于上述附图9的记载。
由上述实施例可知，UE在基于定时器自主地切换到默认的BWP后，将BWP被切换的信息通知给网络设备，由此网络设备可以根据该信息更新UE所在的BWP的信息，网络设备和用户设备之间能够达成一致。
实施例5
本发明实施例提供一种部分带宽的切换装置。该装置例如可以是用户设备，也可以是配置于用户设备的某个或某些部件或者组件。本实施例5与实施例1和3相同的内容不再赘述。
图10是本发明实施例的部分带宽的切换装置的示意图，如图10所示，部分带宽的切换装置1000包括：
确定单元1001，其确定激活的部分带宽即第一部分带宽是否正常；以及
切换单元1002，其在所述第一部分带宽不正常的情况下从所述第一部分带宽切换到第二部分带宽。
如图10所示，部分带宽的切换装置1000还可以包括：
接收单元1003，其接收网络设备发送的用于指示部分带宽切换的第一指示信息；
并且，所述切换单元1002还可以在所述第一指示信息指示能够进行部分带宽切换并且所述第一部分带宽不正常的情况下，从所述第一部分带宽切换到第二部分带宽。
如图10所示，部分带宽的切换装置1000还可以包括：
保持单元1004，其在所述第一部分带宽不正常的情况下保持所述第二部分带宽的配置信息，或者保持多个或所有配置的部分带宽的配置信息。
如图10所示，部分带宽的切换装置1000还可以包括：
发送单元1005，其向网络设备发送用于指示部分带宽被切换的第二指示信息。
图11是本发明实施例的部分带宽的切换装置的另一示意图，如图11所示，部分带宽的切换装置1100包括：
切换单元1101，其在定时器超时的情况下，从激活的部分带宽切换到默认的部分带宽；以及
发送单元1102，其将向网络设备发送用于指示部分带宽被切换的指示信息。
值得注意的是，以上仅对与本发明相关的各部件或模块进行了说明，但本发明不限于此。部分带宽的切换装置1000或1100还可以包括其他部件或者模块，关于这些部件或者模块的具体内容，可以参考相关技术。
此外，为了简单起见，图10和11中仅示例性示出了各个部件或模块之间的连接关系或信号走向，但是本领域技术人员应该清楚的是，可以采用总线连接等各种相关技术。上述各个部件或模块可以通过例如处理器、存储器、发射机、接收机等硬件设施来实现；本发明实施并不对此进行限制。
由上述实施例可知，在激活的BWP出现异常的情况下，用户设备自主地切换到其它BWP；由此，不需要立即释放用户设备的BWP的配置信息，能够节省信令开销和数据恢复的时间，可以降低时延以实现快速的信道恢复。
此外，UE在基于定时器自主地切换到默认的BWP后，将BWP被切换的信息通知给网络设备，由此网络设备可以根据该信息更新UE所在的BWP的信息，网络设备和用户设备之间能够达成一致。
实施例6
本发明实施例提供一种部分带宽的配置装置。该装置例如可以是网络设备，也可以是配置于网络设备的某个或某些部件或者组件。本实施例6与实施例2和4相同的内容不再赘述。
图12是本发明实施例的部分带宽的配置装置的示意图，如图12所示，部分带宽的配置装置1200包括：
发送单元1201，其向用户设备发送用于指示部分带宽切换的第一指示信息，以使得所述用户设备在所述第一指示信息指示能够进行部分带宽切换并且激活的部分带宽即第一部分带宽不正常的情况下，从所述第一部分带宽切换到第二部分带宽。
如图12所示，部分带宽的配置装置1200还可以包括：
接收单元1202，其接收所述用户设备发送的用于指示部分带宽被切换的第二指示信息。
如图12所示，部分带宽的配置装置1200还可以包括：
配置单元1203，其对所述用户设备进行连接重配置，以释放或重配置所述用户设备的一个或多个部分带宽。
图13是本发明实施例的部分带宽的配置装置的另一示意图，如图13所示，部分带宽的配置装置1300包括：
接收单元1301，其接收用户设备发送的用于指示部分带宽被切换的指示信息；其中，所述用户设备在定时器超时的情况下从激活的部分带宽切换到默认的部分带宽。
如图13所示，部分带宽的配置装置1300还可以包括：
配置单元1302，其对所述用户设备进行连接重配置，以释放或重配置所述用户设备的一个或多个部分带宽。
值得注意的是，以上仅对与本发明相关的各部件或模块进行了说明，但本发明不限于此。部分带宽的配置装置1200或1300还可以包括其他部件或者模块，关于这些部件或者模块的具体内容，可以参考相关技术。
此外，为了简单起见，图12和13中仅示例性示出各个部件或模块之间的连接关系或信号走向，但是本领域技术人员应该清楚的是，可以采用总线连接等各种相关技术。上述各个部件或模块可以通过例如处理器、存储器、发射机、接收机等硬件设施来实现；本发明实施并不对此进行限制。
由上述实施例可知，在激活的BWP出现异常的情况下，用户设备自主地切换到其它BWP；由此，不需要立即释放用户设备的BWP的配置信息，能够节省信令开销和数据恢复的时间，可以降低时延以实现快速的信道恢复。
此外，UE在基于定时器自主地切换到默认的BWP后，将BWP被切换的信息通知给网络设备，由此网络设备可以根据该信息更新UE所在的BWP的信息，网络设 备和用户设备之间能够达成一致。
实施例7
本发明实施例还提供一种通信系统，可以参考图1，与实施例1至6相同的内容不再赘述。在本实施例中，通信系统100可以包括：
网络设备101，其配置有如实施例6所述的部分带宽的配置装置1200或1300；
用户设备102，其配置有如实施例5所述的部分带宽的切换装置1000或1100。
本发明实施例还提供一种网络设备，例如可以是基站，但本发明不限于此，还可以是其他的网络设备。
图14是本发明实施例的网络设备的构成示意图。如图14所示，网络设备1400可以包括：处理器1410(例如中央处理器CPU)和存储器1420；存储器1420耦合到处理器1410。其中该存储器1420可存储各种数据；此外还存储信息处理的程序1430，并且在处理器1410的控制下执行该程序1430。
例如，处理器1410可以被配置为执行程序1430而实现如实施例3所述的部分带宽的配置方法。例如处理器1410可以被配置为进行如下的控制：向用户设备发送用于指示部分带宽切换的第一指示信息，以使得所述用户设备在所述第一指示信息指示能够进行部分带宽切换并且激活的部分带宽即第一部分带宽不正常的情况下，从所述第一部分带宽切换到第二部分带宽。
在一个实施方式中，所述第一指示信息指示所述用户设备是否能够进行部分带宽切换，或者指示每一配置的部分带宽是否能够进行部分带宽切换，或者指示多个配置的部分带宽是否能够进行部分带宽切换。
在一个实施方式中，处理器1410还可以被配置为进行如下的控制：接收所述用户设备发送的用于指示部分带宽被切换的第二指示信息。
在一个实施方式中，所述第二指示信息还指示所述第一部分带宽无法正常工作。
在一个实施方式中，所述第二指示信息由如下信道或信令之一或组合显式地承载：随机接入信道，RRC信令，MAC信令，物理上行控制信道，或者物理上行共享信道。
在一个实施方式中，所述第二指示信息由如下信道或信令之一或组合隐式地指示：随机接入信道，RRC信令，MAC信令，物理上行控制信道，或者物理上行共享 信道。
在一个实施方式中，所述随机接入信道或者所述物理上行控制信道或者所述物理上行共享信道或者RRC信令或者MAC信令在所述第二部分带宽对应的上行部分带宽上被发送，以隐式地指示所述第二指示信息；或者所述随机接入信道或者所述物理上行控制信道或者所述物理上行共享信道或者RRC信令或者MAC信令在所述第一部分带宽对应的上行部分带宽上使用与所述第二部分带宽相关联的资源被发送，以隐式地指示所述第二指示信息。
在一个实施方式中，处理器1410还可以被配置为进行如下的控制：对所述用户设备进行连接重配置，以释放或重配置所述用户设备的一个或多个部分带宽。
再例如，处理器1410可以被配置为执行程序1430而实现如实施例4所述的部分带宽的配置方法。例如处理器1410可以被配置为进行如下的控制：接收用户设备发送的用于指示部分带宽被切换的指示信息；其中，所述用户设备在定时器超时的情况下从激活的部分带宽切换到默认的部分带宽。
此外，如图14所示，网络设备1400还可以包括：收发机1440和天线1450等；其中，上述部件的功能与现有技术类似，此处不再赘述。值得注意的是，网络设备1400也并不是必须要包括图14中所示的所有部件；此外，网络设备1400还可以包括图14中没有示出的部件，可以参考现有技术。
本发明实施例还提供一种用户设备，但本发明不限于此，还可以是其他的设备。
图15是本发明实施例的用户设备的示意图。如图15所示，该用户设备1500可以包括处理器1510和存储器1520；存储器1520存储有数据和程序，并耦合到处理器1510。值得注意的是，该图是示例性的；还可以使用其他类型的结构，来补充或代替该结构，以实现电信功能或其他功能。
例如，处理器1510可以被配置为执行程序而实现如实施例1所述的部分带宽的切换方法。例如处理器1510可以被配置为进行如下的控制：确定激活的部分带宽即第一部分带宽是否正常；以及在所述第一部分带宽不正常的情况下从所述第一部分带宽切换到第二部分带宽。
在一个实施方式中，所述第二部分带宽包括：默认的部分带宽、初始的部分带宽、定义小区的部分带宽、预先定义的部分带宽、或者信道条件比所述第一部分带宽更好的部分带宽。
在一个实施方式中，处理器1510还可以被配置为进行如下的控制：接收网络设备发送的用于指示部分带宽切换的第一指示信息；并且，在所述第一指示信息指示能够进行部分带宽切换并且所述第一部分带宽不正常的情况下，从所述第一部分带宽切换到第二部分带宽。
在一个实施方式中，处理器1510还可以被配置为进行如下的控制：根据如下的一个或多个条件确定所述第一部分带宽不正常：在所述第一部分带宽上检测到无线链路失败；在所述第一部分带宽上配置了同步信号块或者信道状态信息参考信号的情况下，在所述第一部分带宽上测量到的同步信号块的信号质量或者信道状态信息参考信号的信号质量低于预设的第一门限值；在所述第一部分带宽上测量到的信道状态信息低于预设的第二门限值；在所述第一部分带宽上检测到的失步指示个数高于预设的第三门限值；在所述第一部分带宽上检测到的物理下行控制信道的误块率高于预设的第四门限值。
在一个实施方式中，处理器1510还可以被配置为进行如下的控制：在所述第一部分带宽不正常的情况下保持所述第二部分带宽的配置信息，或者保持多个或所有配置的部分带宽的配置信息。
在一个实施方式中，处理器1510还可以被配置为进行如下的控制：向网络设备发送用于指示部分带宽被切换的第二指示信息。
再例如，处理器1510可以被配置为执行程序而实现如实施例2所述的部分带宽的切换方法。例如处理器1510可以被配置为进行如下的控制：在定时器超时的情况下从激活的部分带宽切换到默认的部分带宽；以及将向网络设备发送用于指示部分带宽被切换的指示信息。
如图15所示，该用户设备1500还可以包括：通信模块1530、输入单元1540、显示器1550、电源1560。其中，上述部件的功能与现有技术类似，此处不再赘述。值得注意的是，用户设备1500也并不是必须要包括图15中所示的所有部件，上述部件并不是必需的；此外，用户设备1500还可以包括图15中没有示出的部件，可以参考现有技术。
本发明实施例还提供一种计算机可读程序，其中当在网络设备中执行所述程序时，所述程序使得所述网络设备执行实施例3或4所述的部分带宽的配置方法。
本发明实施例还提供一种存储有计算机可读程序的存储介质，其中所述计算机可 读程序使得网络设备执行实施例3或4所述的部分带宽的配置方法。
本发明实施例还提供一种计算机可读程序，其中当在用户设备中执行所述程序时，所述程序使得所述用户设备执行实施例1或2所述的部分带宽的切换方法。
本发明实施例还提供一种存储有计算机可读程序的存储介质，其中所述计算机可读程序使得用户设备执行实施例1或2所述的部分带宽的切换方法。
本发明以上的装置和方法可以由硬件实现，也可以由硬件结合软件实现。本发明涉及这样的计算机可读程序，当该程序被逻辑部件所执行时，能够使该逻辑部件实现上文所述的装置或构成部件，或使该逻辑部件实现上文所述的各种方法或步骤。本发明还涉及用于存储以上程序的存储介质，如硬盘、磁盘、光盘、DVD、flash存储器等。
结合本发明实施例描述的方法/装置可直接体现为硬件、由处理器执行的软件模块或二者组合。例如，图中所示的功能框图中的一个或多个和/或功能框图的一个或多个组合，既可以对应于计算机程序流程的各个软件模块，亦可以对应于各个硬件模块。这些软件模块，可以分别对应于图中所示的各个步骤。这些硬件模块例如可利用现场可编程门阵列(FPGA)将这些软件模块固化而实现。
软件模块可以位于RAM存储器、闪存、ROM存储器、EPROM存储器、EEPROM存储器、寄存器、硬盘、移动磁盘、CD-ROM或者本领域已知的任何其它形式的存储介质。可以将一种存储介质耦接至处理器，从而使处理器能够从该存储介质读取信息，且可向该存储介质写入信息；或者该存储介质可以是处理器的组成部分。处理器和存储介质可以位于ASIC中。该软件模块可以存储在移动终端的存储器中，也可以存储在可插入移动终端的存储卡中。例如，若设备(如移动终端)采用的是较大容量的MEGA-SIM卡或者大容量的闪存装置，则该软件模块可存储在该MEGA-SIM卡或者大容量的闪存装置中。
针对附图中描述的功能方框中的一个或多个和/或功能方框的一个或多个组合，可以实现为用于执行本发明所描述功能的通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC)、现场可编程门阵列(FPGA)或者其它可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件或者其任意适当组合。针对附图描述的功能方框中的一个或多个和/或功能方框的一个或多个组合，还可以实现为计算设备的组合，例如，DSP和微处理器的组合、多个微处理器、与DSP通信结合的一个或多个微处 理器或者任何其它这种配置。
以上结合具体的实施方式对本发明进行了描述，但本领域技术人员应该清楚，这些描述都是示例性的，并不是对本发明保护范围的限制。本领域技术人员可以根据本发明的精神和原理对本发明做出各种变型和修改，这些变型和修改也在本发明的范围内。
关于包括以上实施例的实施方式，还公开下述的附记：
附记1、一种部分带宽的切换装置，所述装置包括：
切换单元，其在定时器超时的情况下从激活的部分带宽切换到默认的部分带宽；以及
发送单元，其将向网络设备发送用于指示部分带宽被切换的指示信息。
附记2、根据附记1所示的装置，其中，所述指示信息还指示所述激活的部分带宽无法正常工作。
附记3、根据附记1所示的装置，其中，所述指示信息由如下的信道或信令之一或组合显式地承载：RRC信令，MAC信令，随机接入信道，物理上行控制信道，或者物理上行共享信道。
附记4、根据附记1所示的装置，其中，所述指示信息由如下信道或信令之一或组合隐式地指示：RRC信令，MAC信令，随机接入信道，物理上行控制信道，或者物理上行共享信道。
附记5、根据附记4所示的装置，其中，所述发送单元在所述默认的部分带宽对应的上行部分带宽上发送所述随机接入信道或者所述物理上行控制信道或者所述物理上行共享信道或者所述RRC信令或者所述MAC信令，以隐式地指示所述指示信息；或者
所述发送单元在所述激活的部分带宽对应的上行部分带宽上使用与所述默认的部分带宽相关联的资源发送所述随机接入信道或者所述物理上行控制信道或者所述物理上行共享信道或者所述RRC信令或者所述MAC信令，以隐式地指示所述指示信息。
附记6、一种部分带宽的配置装置，包括：
接收单元，其接收用户设备发送的用于指示部分带宽被切换的指示信息；
其中，所述用户设备在定时器超时的情况下从激活的部分带宽切换到默认的部分 带宽。
附记7、根据附记6所示的装置，其中，所述指示信息还指示所述激活的部分带宽无法正常工作。
附记8、根据附记6所示的装置，其中，所述指示信息由如下信道或信令之一或组合显式地承载：RRC信令，MAC信令，随机接入信道，物理上行控制信道，或者物理上行共享信道。
附记9、根据附记6所示的装置，其中，所述指示信息由如下的信道或信令之一或组合隐式地指示：RRC信令，MAC信令，随机接入信道，物理上行控制信道，或者物理上行共享信道。
附记10、根据附记9所示的装置，其中，所述随机接入信道或者所述物理上行控制信道或者所述物理上行共享信道或者所述RRC信令或者所述MAC信令在所述默认的部分带宽对应的上行部分带宽上被发送，以隐式地指示所述指示信息；或者
所述随机接入信道或者所述物理上行控制信道或者所述物理上行共享信道或者所述RRC信令或者所述MAC信令在所述激活的部分带宽对应的上行部分带宽上使用与所述默认的部分带宽相关联的资源被发送，以隐式地指示所述指示信息。
附记11、根据附记6所述的装置，其中，所述装置还包括：
配置单元，其对所述用户设备进行连接重配置，以释放或重配置所述用户设备的一个或多个部分带宽。
附记12、一种通信系统，所述通信系统包括：
用户设备，其包括如附记1所述的部分带宽的切换装置；
网络设备，其包括如附记6所述的部分带宽的配置装置。

Claims (20)

  1. 一种部分带宽的切换装置，包括：
    确定单元，其确定激活的部分带宽即第一部分带宽是否不正常；以及
    切换单元，其在所述第一部分带宽不正常的情况下从所述第一部分带宽切换到第二部分带宽。
  2. 根据权利要求1所述的装置，其中，所述第二部分带宽包括如下的一种或多种：默认的部分带宽、初始的部分带宽、定义小区的部分带宽、预先定义的部分带宽、或者信道条件比所述第一部分带宽更好的部分带宽。
  3. 根据权利要求1所述的装置，其中，所述装置还包括：
    接收单元，其接收网络设备发送的用于指示部分带宽切换的第一指示信息；
    并且，所述切换单元在所述第一指示信息指示能够进行部分带宽切换并且所述第一部分带宽不正常的情况下，从所述第一部分带宽切换到第二部分带宽。
  4. 根据权利要求3所述的装置，其中，所述第一指示信息指示用户设备是否能够进行部分带宽切换，或者指示每一配置的部分带宽是否能够进行部分带宽切换，或者指示多个配置的部分带宽是否能够进行部分带宽切换。
  5. 根据权利要求1所述的装置，其中，所述确定单元根据如下的一个或多个条件确定所述第一部分带宽不正常：
    在所述第一部分带宽上检测到无线链路失败；
    在所述第一部分带宽上配置了同步信号块或者信道状态信息参考信号的情况下，在所述第一部分带宽上测量到的同步信号块的信号质量或者信道状态信息参考信号的信号质量低于预设的第一门限值；
    在所述第一部分带宽上测量到的信道状态信息低于预设的第二门限值；
    在所述第一部分带宽上检测到的失步指示个数高于预设的第三门限值；
    在所述第一部分带宽上检测到的物理下行控制信道的误块率高于预设的第四门限值。
  6. 根据权利要求1所述的装置，其中，所述装置还包括：
    保持单元，其在所述第一部分带宽不正常的情况下保持所述第二部分带宽的配置信息，或者保持多个或所有配置的部分带宽的配置信息。
  7. 根据权利要求1所述的装置，其中，所述装置还包括：
    发送单元，其向网络设备发送用于指示部分带宽被切换的第二指示信息。
  8. 根据权利要求7所示的装置，其中，所述第二指示信息还指示所述第一部分带宽无法正常工作。
  9. 根据权利要求7所示的装置，其中，所述第二指示信息由如下的信道或信令之一或组合显式地承载：随机接入信道，无线资源控制信令，介质访问控制信令，物理上行控制信道，或者物理上行共享信道。
  10. 根据权利要求7所示的装置，其中，所述第二指示信息由如下的信道或信令之一或组合隐式地指示：随机接入信道，无线资源控制信令，介质访问控制信令，物理上行控制信道，或者物理上行共享信道。
  11. 根据权利要求10所示的装置，其中，所述发送单元在所述第二部分带宽对应的上行部分带宽上、发送所述随机接入信道或者所述物理上行控制信道或者所述物理上行共享信道或者无线资源控制信令或者介质访问控制信令，以隐式地指示所述第二指示信息；或者
    所述发送单元在所述第一部分带宽对应的上行部分带宽上使用与所述第二部分带宽相关联的资源、发送所述随机接入信道或者所述物理上行控制信道或者所述物理上行共享信道或者所述无线资源控制信令或者所述介质访问控制信令，以隐式地指示所述第二指示信息。
  12. 一种部分带宽的配置装置，包括：
    发送单元，其向用户设备发送用于指示部分带宽切换的第一指示信息，使得所述用户设备在所述第一指示信息指示能够进行部分带宽切换并且激活的部分带宽即第一部分带宽不正常的情况下，从所述第一部分带宽切换到第二部分带宽。
  13. 根据权利要求12所述的装置，其中，所述第一指示信息指示所述用户设备是否能够进行部分带宽切换，或者指示每一配置的部分带宽是否能够进行部分带宽切换，或者指示多个配置的部分带宽是否能够进行部分带宽切换。
  14. 根据权利要求12所述的装置，其中，所述装置还包括：
    接收单元，其接收所述用户设备发送的用于指示部分带宽被切换的第二指示信息。
  15. 根据权利要求14所示的装置，其中，所述第二指示信息还指示所述第一部分带宽无法正常工作。
  16. 根据权利要求14所示的装置，其中，所述第二指示信息由如下的信道或信令之一或组合显式地承载：随机接入信道，无线资源控制信令，介质访问控制信令，物理上行控制信道，或者物理上行共享信道。
  17. 根据权利要求14所示的装置，其中，所述第二指示信息由如下的信道或信令之一或组合隐式地指示：随机接入信道，无线资源控制信令，介质访问控制信令，物理上行控制信道，或者物理上行共享信道。
  18. 根据权利要求17所示的装置，其中，所述随机接入信道或者所述物理上行控制信道或者所述物理上行共享信道或者所述无线资源控制信令或者所述介质访问控制信令在所述第二部分带宽对应的上行部分带宽上被发送，以隐式地指示所述第二指示信息；或者
    所述随机接入信道或者所述物理上行控制信道或者所述物理上行共享信道或者所述无线资源控制信令或者所述介质访问控制信令在所述第一部分带宽对应的上行部分带宽上使用与所述第二部分带宽相关联的资源被发送，以隐式地指示所述第二指示信息。
  19. 根据权利要求14所述的装置，其中，所述装置还包括：
    配置单元，其对所述用户设备进行连接重配置，以释放或重配置所述用户设备的一个或多个部分带宽。
  20. 一种通信系统，所述通信系统包括：
    用户设备，其包括如权利要求1所述的部分带宽的切换装置；
    网络设备，其包括如权利要求12所述的部分带宽的配置装置。
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