WO2019096256A1 - 带宽配置方法和电子设备 - Google Patents

带宽配置方法和电子设备 Download PDF

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Publication number
WO2019096256A1
WO2019096256A1 PCT/CN2018/115933 CN2018115933W WO2019096256A1 WO 2019096256 A1 WO2019096256 A1 WO 2019096256A1 CN 2018115933 W CN2018115933 W CN 2018115933W WO 2019096256 A1 WO2019096256 A1 WO 2019096256A1
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WIPO (PCT)
Prior art keywords
bandwidth
configuration
activated
default
bandwidth portion
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PCT/CN2018/115933
Other languages
English (en)
French (fr)
Inventor
张崇铭
山田升平
刘仁茂
Original Assignee
夏普株式会社
张崇铭
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 夏普株式会社, 张崇铭 filed Critical 夏普株式会社
Priority to EP18878000.1A priority Critical patent/EP3713342A4/en
Priority to MX2020004924A priority patent/MX2020004924A/es
Priority to US16/762,970 priority patent/US20200367307A1/en
Priority to RU2020119398A priority patent/RU2769540C2/ru
Priority to AU2018366747A priority patent/AU2018366747B2/en
Priority to SG11202003970TA priority patent/SG11202003970TA/en
Publication of WO2019096256A1 publication Critical patent/WO2019096256A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/19—Connection re-establishment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/06—Reselecting a communication resource in the serving access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states

Definitions

  • the present disclosure relates to the field of wireless communication technologies, and in particular, to a bandwidth configuration method and an electronic device that performs the method.
  • the research topic of the new 5G wireless access technology was proposed at the 3rd Generation Partnership Project (3GPP) RAN#64 plenary meeting held in March 2016 (see Non-Patent Document: RP-160671New SID Proposal: Study On New Radio Access Technology).
  • 3GPP 3rd Generation Partnership Project
  • RP-160671New SID Proposal Study On New Radio Access Technology
  • the working frequency band of the new communication system can be extended to 100 GHz, and at the same time, it will meet at least the demand for enhanced mobile broadband services, the communication requirements of massive IoT terminals, and the business requirements for high reliability requirements.
  • the research work of the project will end in 2018.
  • the working bandwidth of the system can reach 400 MHz or more, and the working bandwidth that the user equipment (for example, the UE) itself can support is much lower than the working bandwidth of the system, so the bandwidth part is introduced.
  • BWP Bandwidths Part
  • the so-called BWP is to divide the working bandwidth of the system into several bandwidth parts.
  • the network node (such as the base station) can configure one or more BWPs for the UE according to the bandwidth capability supported by the UE.
  • the UE When there is data transmission, the UE can work simultaneously on multiple BWPs, which greatly improves the transmission rate; when the UE has no data transmission, it can detect only one BWP and wait for the scheduling of the base station, thereby reducing energy consumption.
  • the configuration may be public or UE-specific. When the UE is in an idle state, it may receive a public BWP configuration in the system information and enter the connected state; when the UE enters the connected state, it may receive The base station's proprietary BWP configuration and work on one or more BWPs that are activated in the configured BWP.
  • the common BWP configuration may provide the UE with configuration information of the initial access, that is, when the UE has not received any proprietary BWP configuration, a common BWP configuration may be adopted. Once a valid BWP configuration is received in the proprietary signaling, the UE no longer uses the common BWP configuration, but works in accordance with the proprietary BWP configuration, and the UE only works on the activated BWPs in these configured BWPs. . In the BWP configuration received by the UE, always or at least one default or default (Default) BWP is activated, and the base station may instruct the UE to switch to work on other BWPs, and the switched BWP will become new. , activated BWP.
  • Default default
  • the UE may have a proprietary BWP configuration but no activated BWP. It has not been specified for how the UE operates when signal transmission is required in the case of a BWP having a proprietary BWP configuration but is not currently activated.
  • One aspect of the present disclosure provides a bandwidth configuration method comprising: determining whether an activated bandwidth portion exists in response to determining that an activated bandwidth portion is required to be used; and using a default bandwidth portion configuration if there is no activated bandwidth portion.
  • the default bandwidth portion configuration is included in a default physical layer/physical channel configuration.
  • the default bandwidth portion configuration includes releasing a proprietary bandwidth portion configuration.
  • using a default bandwidth portion configuration includes: releasing a proprietary bandwidth portion configuration; and employing a common bandwidth portion configuration for signal transmission.
  • determining that the portion of the bandwidth that needs to be activated is any one of the following: a trigger of an RRC connection re-establishment procedure; a triggering of an RRC connection setup procedure from an inactive state to an active state; or an RRC connection The trigger for the build process.
  • the bandwidth configuration method further includes: determining whether a current serving cell changes; and determining whether an access resource exists on a previously activated bandwidth portion when it is determined that the current serving cell has not changed.
  • the bandwidth configuration method further includes: when there is an access resource on a portion of the bandwidth that is currently activated, the portion of the bandwidth that was previously activated is used as the currently activated bandwidth portion.
  • the bandwidth configuration method further includes: using a default bandwidth partial configuration when there is no access resource on the bandwidth portion of the current one activation.
  • Another aspect of the present disclosure provides an electronic device including one or more processors, and a memory storing a computer program that, when executed on the one or more processors, causes the one Or a plurality of processors perform the method in accordance with an aspect of the disclosure.
  • Another aspect of the present disclosure provides an electronic device including a bandwidth determining module configured to determine whether an activated bandwidth portion exists in response to determining that an activated bandwidth portion is required to be used; and a bandwidth configuration module configured to determine the bandwidth When the module determines that there is no active bandwidth portion, the default bandwidth partial configuration is used.
  • Another aspect of the present disclosure provides a non-volatile storage medium storing computer-executable instructions that, when executed, are used to implement the method as described above.
  • Another aspect of the disclosure provides a computer program comprising computer executable instructions that, when executed, are used to implement a method as described above.
  • FIG. 1 schematically shows a flowchart of a bandwidth configuration method according to an embodiment of the present disclosure
  • FIG. 2 schematically illustrates a block diagram of an electronic device in accordance with an embodiment of the present disclosure
  • FIG. 3 schematically shows a block diagram of an electronic device in accordance with another embodiment of the present disclosure.
  • the techniques of this disclosure may be implemented in the form of hardware and/or software (including firmware, microcode, etc.). Additionally, the techniques of this disclosure may take the form of a computer program product on a computer readable medium storing instructions for use by or in connection with an instruction execution system.
  • a computer readable medium can be any medium that can contain, store, communicate, propagate or transport the instructions.
  • a computer readable medium can include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, device, or propagation medium.
  • the computer readable medium include: a magnetic storage device such as a magnetic tape or a hard disk (HDD); an optical storage device such as a compact disk (CD-ROM); a memory such as a random access memory (RAM) or a flash memory; and/or a wired /Wireless communication link.
  • a magnetic storage device such as a magnetic tape or a hard disk (HDD)
  • an optical storage device such as a compact disk (CD-ROM)
  • a memory such as a random access memory (RAM) or a flash memory
  • RAM random access memory
  • the present invention is not limited to the following embodiments, but can be applied to more other wireless communication systems, such as future 5G cellular communication systems, and can be applied to other base stations and terminal devices, for example, supporting eMTC, Base stations and terminal devices such as MMTC.
  • BWP default
  • BWP configuration meaning described herein may be “default” or “with default value”, and may be a BWP configuration agreed between the UE and the network or the base station side. It can be pointed out directly in the signaling, or it can also be a pre-agreed configuration, and does not need to be carried in specific signaling.
  • Embodiments of the present disclosure provide a bandwidth configuration method.
  • the method is directed to a user equipment UE that needs to signal for transmission in the case of a bandwidth portion having a proprietary bandwidth portion (BWP) configuration but not currently activated.
  • BWP bandwidth portion having a proprietary bandwidth portion
  • the public BWP configuration may provide the UE with the configuration information of the initial access, that is, when the UE does not receive any proprietary BWP configuration, the public configuration may be adopted. Once the valid BWP configuration is received in the dedicated signaling, the UE The public BWP configuration is no longer used, but works in a proprietary BWP configuration, and the UE only works on the BWPs that are activated in these configured BWPs. In the BWP configuration received by the UE, always or at least one default or default BWP is activated, and the base station may instruct the UE to switch to work on other BWPs, and the switched BWP will become new. , activated BWP. But in some cases, the UE may have a proprietary BWP configuration but no activated BWP, for example:
  • the UE causes a link problem due to signal interference or other reasons, thereby triggering the RRC connection re-establishment process.
  • the UE received a valid BWP configuration, but a link problem may occur on the activated BWP and it is unable to continue working.
  • the UE may consider that the activated BWP is invalidated or deactivated, and further may consider that the default or default BWP is also deactivated.
  • the state of the UE can be divided into an idle state, a connected state, and an intermediate state.
  • the UE's access layer context (AS context) is reserved on the base station and the UE side, and the UE is assigned a resume ID, which is used by the UE to restore the RRC connection.
  • AS context access layer context
  • This intermediate state can be thought of as a connection suspend state, or it can be considered as a connection inactive state.
  • the UE Before the UE enters the inactive state from the connected state, it receives the proprietary BWP configuration from the base station and works on the BWP where it is activated; but after entering the inactive state, there is no activated BWP because the air interface has no connection. , but the UE still has a proprietary BWP configuration.
  • the UE needs to initiate an access request to the base station in order to reestablish the RRC connection or restore the RRC connection. How to determine the BWP for which the UE initiates the access is a problem to be solved. If the proprietary BWP configuration continues to be used, the UE first needs to determine which one or which of the configured BWPs are active in order to continue working on the activated BWP. However, since the UE's air interface connection is in an open state, ie, the BWP that is not activated can work, in this case, the UE needs to know how to handle it if there is a BWP that is configured but not activated.
  • the UE needs to initiate an uplink access request, but the determined, activated BWP may include uplink access resources, or may not be included. In this case, how the UE continues to select the BWP is also a problem that needs to be solved.
  • configuring the user equipment to use the default bandwidth portion configuration without a portion of the bandwidth that is activated (but with a proprietary bandwidth portion configuration) completes the bandwidth configuration of the user equipment.
  • the default bandwidth part configuration can be pre-configured according to system configuration, carrier requirements, and so on.
  • the default bandwidth portion configuration may be configured to release a proprietary bandwidth portion configuration and then signal transmission using a common bandwidth portion configuration.
  • the default bandwidth partial configuration is not limited to this configuration.
  • FIG. 1 schematically illustrates a flow diagram of a bandwidth configuration method 100 in accordance with an embodiment of the present disclosure.
  • the method begins in operation S110 by determining that an activated bandwidth portion needs to be used.
  • the bandwidth configuration method begins with a user equipment requiring signal transmission, that is, using an activated bandwidth portion. If it is determined that the activated bandwidth portion needs to be used, the method proceeds to operation S120 to determine if there is an activated bandwidth portion. If there is no activated bandwidth portion, the method proceeds to operation S170 to operate using the default bandwidth portion configuration. If there is an activated bandwidth portion, the method proceeds to operation S140, which operates using the activated bandwidth portion.
  • operation S170 may further include operation S1710, releasing a proprietary bandwidth portion configuration, and operating S1720, employing a common bandwidth portion configuration for signal transmission.
  • the common bandwidth portion configuration may include configuration information such as an uplink bandwidth portion and a downlink bandwidth portion that the user equipment may employ.
  • the bandwidth configuration method 100 may further include an operation S130 of determining whether a current serving cell has changed. If the current serving cell changes, the method proceeds to operation S170 to operate using the default bandwidth partial configuration. If it is determined in operation S130 that the current serving cell has not changed, the method proceeds to operation S150 to determine whether there is an access resource, such as a PRACH resource, on the previously activated bandwidth portion. If it is determined that there is access resource available on the previously activated bandwidth portion, the method proceeds to operation S160, using the previously activated bandwidth portion to operate, such as performing a signal on the bandwidth portion (eg, control signaling, re Access request, etc.) transmission. If no access resources are available on the previously activated portion of the bandwidth, the method proceeds to operation S170, which operates using the default bandwidth portion configuration.
  • an access resource such as a PRACH resource
  • the default bandwidth portion configuration is included in a default physical layer/physical channel configuration.
  • the user equipment determines that the portion of the bandwidth that is not active is available, it uses the default physical layer/physical channel configuration, which in turn adopts the default bandwidth partial configuration.
  • determining that the portion of the bandwidth that needs to be activated is any one of the following: a trigger of an RRC connection re-establishment procedure; a triggering of an RRC connection setup procedure from an inactive state to an active state; or an RRC connection The trigger for the build process.
  • the UE When the RRC connection re-establishment is triggered or started, the UE always adopts a default (default) BWP configuration in the initialization process of the RRC connection re-establishment.
  • the default BWP configuration value may be defined as a release.
  • the release of the configuration value can be understood as an instruction, that is, after the UE determines that such a configuration is to be used, the action to be performed is to release the existing BWP configuration. Further, it may be to release a proprietary BWP configuration. It can also be understood that after the UE determines that such a configuration is to be used, it can enter the no BWP configuration state. Further, there may be no proprietary BWP configuration state.
  • the UE After the UE determines that the BWP configuration value is to be released as the default configuration, once the UE needs to adopt the BWP configuration to perform certain behaviors, the UE always adopts a common BWP configuration, or adopts the obtained from the system information. BWP configuration.
  • the value of the default BWP configuration and the default downlink BWP configuration are both released.
  • Pre-configure a default physical layer/physical channel configuration including the default BWP configuration, and the default BWP configuration value is released.
  • the default BWP configurations that can distinguish between the uplink and the downlink are as follows:
  • the UE when the RRC connection re-establishment is triggered or started, the UE always adopts the default physical layer/physical channel in the initialization process of the RRC connection re-establishment.
  • the difference between the example 2 and the example 1 is that the UE is currently in an inactive state, and when the UE needs to request to resume the RRC connection in the inactive state, the bandwidth configuration method according to an embodiment of the present disclosure is adopted.
  • the default BWP configuration is adopted. .
  • the default BWP configuration value is defined as a release.
  • the default BWP configuration may be further divided into an uplink and a downlink, and the values of the default uplink BWP configuration and the default downlink BWP configuration are released.
  • Pre-configure a default physical layer/physical channel configuration including the default BWP configuration, and the default BWP configuration value is released.
  • the default BWP configurations that can distinguish between the uplink and the downlink are as follows:
  • the RRC connection establishment procedure triggered in order to restore the RRC connection, in the initialization process adopts a default physical layer/physical channel.
  • Example 3 differs from Example 1 in that the UE can also employ the bandwidth configuration method according to an embodiment of the present disclosure in the process of establishing an RRC connection.
  • the RRC connection needs to be established in the new cell.
  • the UE may be in the RRC connection.
  • the RRC connection establishment procedure triggered in order to establish an RRC connection in the initialization process, adopts a default BWP configuration.
  • the default BWP configuration value is defined as a release.
  • the value of the default BWP configuration and the default downlink BWP configuration are both released.
  • Pre-configure a default physical layer/physical channel configuration including the default BWP configuration, and the default BWP configuration value is released.
  • the default BWP configurations that can distinguish between the uplink and the downlink are as follows:
  • the RRC connection establishment procedure triggered in order to establish an RRC connection in the initialization process, adopts a default physical layer/physical channel.
  • the UE can operate according to the previously configured BWP.
  • the UE determines whether the current serving cell changes during the initialization process of the RRC connection re-establishment, that is, whether the cell to be RRC connection reestablishment is the same as the serving cell before the RRC connection re-establishment. For example, whether the serving cell changes may be determined according to the cell id.
  • the BWP is considered to be the activated BWP:
  • the bandwidth configuration method according to an embodiment of the present disclosure is performed.
  • the foregoing process may also occur in the case of the example 2, that is, the RRC connection establishment triggered by the UE before the RRC connection resume request message is sent, or when the UE is in the Inactive state, in order to restore the RRC connection.
  • Process during the initialization process. In this process, it is determined whether the current serving cell changes, that is, whether the cell to be RRC connection reestablished is the same as the serving cell before the RRC connection re-establishment. For example, whether the serving cell changes may be determined according to the cell id.
  • the BWP is considered to be the activated BWP:
  • the bandwidth configuration method according to an embodiment of the present disclosure is performed.
  • FIG. 2 schematically illustrates a block diagram of an electronic device 200 in accordance with an embodiment of the present disclosure.
  • the electronic device 200 includes a bandwidth determining module 210 and a bandwidth configuration module 220.
  • the electronic device 200 can perform the method described above with reference to FIG. 1 and in conjunction with the examples 1 to 4 to implement configuration of the bandwidth portion.
  • the bandwidth determination module 210 is configured to determine whether there is an activated bandwidth portion in response to determining that the activated bandwidth portion needs to be used.
  • the bandwidth configuration module 220 is configured to use a default bandwidth portion configuration when the bandwidth determination module 210 determines that there is no active bandwidth portion.
  • the bandwidth determination module 210 is configured to initiate upon determining that the activated bandwidth portion needs to be used to determine if there is an active bandwidth portion.
  • determining that the portion of the bandwidth that needs to be activated is any one of the following: a trigger of an RRC connection re-establishment procedure; a triggering of an RRC connection setup procedure from an inactive state to an active state; or an RRC connection The trigger for the build process.
  • bandwidth configuration module 220 can be configured to release a proprietary bandwidth portion configuration; and to utilize a common bandwidth portion configuration for signal transmission.
  • the bandwidth configuration module 220 may be further configured to determine whether a current serving cell changes; when it is determined that the current serving cell has not changed, determining whether there is an access resource on the previously activated bandwidth portion; If there is an access resource on the activated bandwidth portion, the bandwidth portion of the previous activation is used as the currently activated bandwidth portion. If there is no access resource on the previously activated bandwidth portion, the default bandwidth partial configuration is used.
  • the bandwidth determination module 210 and the bandwidth configuration module 220 can be implemented in one module, or any one of the modules can be split into multiple modules. Alternatively, at least some of the functionality of one or more of the modules may be combined with at least some of the functionality of the other modules and implemented in one module. According to an embodiment of the present disclosure, at least one of the bandwidth determination module 210 and the bandwidth configuration module 220 may be implemented at least partially as a hardware circuit, such as a field programmable gate array (FPGA), a programmable logic array (PLA), a system on a chip, The system on the substrate, the system on the package, the application specific integrated circuit (ASIC), or hardware or firmware in any other reasonable manner to integrate or package the circuit, or in software, hardware, and firmware. The appropriate combination is to achieve. Alternatively, at least one of the bandwidth determination module 210 and the bandwidth configuration module 220 can be implemented at least in part as a computer program module that, when executed by the computer, can perform the functions of the corresponding module.
  • FPGA field programmable gate array
  • FIG. 3 schematically illustrates a block diagram of an electronic device 300 in accordance with another embodiment of the present disclosure.
  • the electronic device 300 includes a processor 310, a computer readable storage medium 320, a signal transmitter 330, and a signal receiver 340.
  • the electronic device 300 can perform the method described above with reference to FIG. 1 and in conjunction with the examples 1 to 4 to implement configuration of the bandwidth portion.
  • processor 310 may include, for example, a general purpose microprocessor, an instruction set processor, and/or a related chipset and/or a special purpose microprocessor (eg, an application specific integrated circuit (ASIC)), and the like.
  • processor 310 may also include an onboard memory for caching purposes.
  • the processor 310 may be a single processing unit or a plurality of processing units for performing the different actions of the method flow according to the embodiments of the present disclosure described with reference to FIG. 1 and in connection with the examples 1 to 4.
  • Computer readable storage medium 320 can be any medium that can contain, store, communicate, propagate or transport the instructions.
  • a readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, device, or propagation medium.
  • Specific examples of the readable storage medium include: a magnetic storage device such as a magnetic tape or a hard disk (HDD); an optical storage device such as a compact disk (CD-ROM); a memory such as a random access memory (RAM) or a flash memory; and/or a wired /Wireless communication link.
  • the computer readable storage medium 320 can include a computer program 321 that can include code/computer executable instructions that, when executed by the processor 310, cause the processor 310 to perform, for example, as described above with reference to FIG. 1 and in conjunction with Examples 1-4.
  • Computer program 321 can be configured to have computer program code, for example, including a computer program module.
  • the code in computer program 321 may include one or more program modules, including, for example, module 321A, module 321B, .
  • module 321A when executed, causes the electronic device to determine if there is an active bandwidth portion. If it is determined that there is no active bandwidth portion, then module 321B executes to cause the electronic device to use the default bandwidth portion configuration.
  • the division manner and number of modules are not fixed, and those skilled in the art may use suitable program modules or program module combinations according to actual conditions.
  • the processor 310 may be The method flow described above with reference to Figure 1 and in connection with Examples 1-4 and any variations thereof are performed.
  • the processor 310 may interact with the signal transmitter 330 and the signal receiver 340 to perform, for example, the method flow described above with reference to FIG. 1 and in conjunction with the examples 1-4 and any variations thereof.
  • the electronic device may release the proprietary bandwidth portion configuration and employ a common bandwidth portion configuration, such as over a common bandwidth portion, via signal transmitter 330 and Signal receiver 340 performs signal transmission on the uplink and downlink.
  • At least one of the bandwidth determination module 210 and the bandwidth configuration module 220 may be implemented as a computer program module described with reference to FIG. 3, which when executed by the processor 310, may implement the corresponding operations described above.
  • the program running on the device according to the present invention may be a program that causes a computer to implement the functions of the embodiments of the present invention by controlling a central processing unit (CPU).
  • the program or information processed by the program may be temporarily stored in a volatile memory (such as a random access memory RAM), a hard disk drive (HDD), a non-volatile memory (such as a flash memory), or other memory system.
  • a program for realizing the functions of the embodiments of the present invention can be recorded on a computer readable recording medium.
  • the corresponding functions can be realized by causing a computer system to read programs recorded on the recording medium and execute the programs.
  • the so-called "computer system” herein may be a computer system embedded in the device, and may include an operating system or hardware (such as a peripheral device).
  • the "computer readable recording medium” may be a semiconductor recording medium, an optical recording medium, a magnetic recording medium, a recording medium of a short-term dynamic storage program, or any other recording medium readable by a computer.
  • circuitry e.g., monolithic or multi-chip integrated circuits.
  • Circuitry designed to perform the functions described in this specification can include general purpose processors, digital signal processors (DSPs), application specific integrated circuits (ASICs), field programmable gate arrays (FPGAs), or other programmable logic devices, discrete Gate or transistor logic, discrete hardware components, or any combination of the above.
  • DSPs digital signal processors
  • ASICs application specific integrated circuits
  • FPGAs field programmable gate arrays
  • a general purpose processor may be a microprocessor or any existing processor, controller, microcontroller, or state machine.
  • the above circuit may be a digital circuit or an analog circuit.
  • One or more embodiments of the present invention may also be implemented using these new integrated circuit technologies in the context of new integrated circuit technologies that have replaced existing integrated circuits due to advances in semiconductor technology.
  • the present invention is not limited to the above embodiment. Although various examples of the embodiments have been described, the invention is not limited thereto.
  • Fixed or non-mobile electronic devices installed indoors or outdoors can be used as terminal devices or communication devices such as AV devices, kitchen devices, cleaning devices, air conditioners, office equipment, vending machines, and other home appliances.

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Abstract

本公开提供了一种带宽配置方法，包括：响应于确定需要使用激活的带宽部分，确定是否存在激活的带宽部分；以及如果没有激活的带宽部分，则使用缺省的带宽部分配置。根据本公开的方法，完善了用户设备在不同情况下的带宽配置。本公开还提供了执行所述带宽配置方法的电子设备。

Description

带宽配置方法和电子设备 技术领域
本公开涉及无线通信技术领域，更具体地，涉及一种带宽配置方法和执行该方法的电子设备。
背景技术
随着移动通信的快速增长和技术的巨大进步，世界将走向一个完全互联互通的网络社会，即任何人或任何东西在任何时间和任何地方都可以获得信息和共享数据。预计到2020年，互联设备的数量将达到500亿部，其中仅有100亿部左右可能是手机和平板电脑，其它的则不是与人对话的机器，而是彼此对话的机器。因此，如何设计***以更好地支持万物互联是一项需要深入研究的课题。
为此，在2016年3月举行的第三代合作伙伴计划(3GPP)RAN#64次全会上，提出了新5G无线接入技术的研究课题(参见非专利文献：RP-160671New SID Proposal：Study on New Radio Access Technology)。在该工作项目的描述中，未来新的通信制式的工作频段可扩展至100GHz，同时将至少满足增强的移动宽带业务需求、海量物联网终端的通信需求，以及高可靠性要求的业务需求等，该项目研究工作将于2018年结束。
在未来接入技术中，由于***可以工作在高频段，***工作带宽可以达到400MHz以上，而用户设备(例如，UE)本身可以支持的工作带宽远低于***的工作带宽，因此引入了带宽部分(Bandwidths Part，(BWP)的概念。所谓BWP，就是将***的工作带宽划分成若干个带宽部分，网络节点(例如基站)根据UE支持的带宽能力，可以为UE配置一个或者多个BWP。当有数据传输时，UE可以在多个BWP上同时工作，极大的提高了传输速率；当UE无数据传输时，可以仅检测其中的一个BWP，等待基站的调度，从而减少能耗。BWP的配置可以是公共的，也可以是UE专有的。当UE在空闲态(idle)下，可以在***信息中接收公共的BWP配置，并用于进入连接态；当UE 进入连接态后，可以接收基站的专有BWP配置，并在配置的BWP中被激活的一个或者多个BWP上工作。
公共的BWP配置可以为UE提供初始接入的配置信息，即当UE没有接收过任何专有BWP配置时，可以采用公共的BWP配置。一旦在专有信令中接收到有效的BWP配置，UE则不再采用公共的BWP配置，而是按照专有的BWP配置进行工作，并且UE仅仅在这些配置的BWP中被激活的BWP上工作。UE接收到的BWP配置中，总是或者至少有一个缺省的或者默认的(Default)BWP是被激活的，基站可以指示UE切换到其他的BWP上工作，则被切换的BWP将成为新的、被激活的BWP。
但是在一些情况下，UE可以有专有的BWP配置，却没有被激活的BWP。尚未对在具有专有的BWP配置但是当前没有被激活的BWP的情况下需要进行信号传输时UE如何进行操作进行规定。
发明内容
本公开的一个方面提供了一种带宽配置方法，包括：响应于确定需要使用激活的带宽部分，确定是否存在激活的带宽部分；以及如果没有激活的带宽部分，则使用缺省的带宽部分配置。
根据本公开的实施例，所述缺省的带宽部分配置被包括在缺省的物理层/物理信道配置中。
根据本公开的实施例，所述缺省的带宽部分配置包括释放专有的带宽部分配置。
根据本公开的实施例，使用缺省的带宽部分配置包括：释放专有的带宽部分配置；以及采用公共的带宽部分配置进行信号传输。
根据本公开的实施例，确定需要使用激活的带宽部分是以下情况中的任意一种：RRC连接重建立过程的触发；从非激活态转换到激活态的RRC连接建立过程的触发；或RRC连接建立过程的触发。
根据本公开的实施例，所述带宽配置方法还包括：确定当前服务小区是否发生变化；以及当确定当前服务小区没有发生变化时，确定前一次激活的带宽部分上是否存在接入资源。
根据本公开的实施例，所述带宽配置方法还包括：当前一次激活的带宽部分上存在接入资源，则使用前一次激活的带宽部分，作为当前激活的带宽部分。
根据本公开的实施例，所述带宽配置方法还包括：当前一次激活的带宽部分上不存在接入资源时，使用缺省的带宽部分配置。
本公开的另一方面提供了一种电子设备，包括一个或多个处理器，以及存储器，存储有计算机程序，所述计算机程序在所述一个或多个处理器上执行时，使得所述一个或多个处理器执行根据本公开的一个方面所述的方法。
本公开的另一方面提供了一种电子设备，包括带宽确定模块，被配置为响应于确定需要使用激活的带宽部分，确定是否存在激活的带宽部分；以及带宽配置模块，被配置为在带宽确定模块确定没有激活的带宽部分时，使用缺省的带宽部分配置。
本公开的另一方面提供了一种非易失性存储介质，存储有计算机可执行指令，所述指令在被执行时用于实现如上所述的方法。
本公开的另一方面提供了一种计算机程序，所述计算机程序包括计算机可执行指令，所述指令在被执行时用于实现如上所述的方法。
附图说明
为了更完整地理解本公开及其优势，现在将参考结合附图的以下描述，其中：
图1示意性地示出了根据本公开的实施例的带宽配置方法的流程图；
图2示意性示出了根据本公开的实施例的电子设备的框图；以及
图3示意性示出了根据本公开的另一实施例的电子设备的框图。
具体实施方式
以下，将参照附图来描述本公开的实施例。但是应该理解，这些描述只是示例性的，而并非要限制本公开的范围。此外，在以下说明中，省略了对公知结构和技术的描述，以避免不必要地混淆本公开的概念。
在此使用的术语仅仅是为了描述具体实施例，而并非意在限制本公 开。这里使用的词语“一”、“一个(种)”和“该”等也应包括“多个”、“多种”的意思，除非上下文另外明确指出。此外，在此使用的术语“包括”、“包含”等表明了所述特征、步骤、操作和/或部件的存在，但是并不排除存在或添加一个或多个其他特征、步骤、操作或部件。
在此使用的所有术语(包括技术和科学术语)具有本领域技术人员通常所理解的含义，除非另外定义。应注意，这里使用的术语应解释为具有与本说明书的上下文相一致的含义，而不应以理想化或过于刻板的方式来解释。
附图中示出了一些方框图和/或流程图。应理解，方框图和/或流程图中的一些方框或其组合可以由计算机程序指令来实现。这些计算机程序指令可以提供给通用计算机、专用计算机或其他可编程数据处理装置的处理器，从而这些指令在由该处理器执行时可以创建用于实现这些方框图和/或流程图中所说明的功能/操作的装置。
因此，本公开的技术可以硬件和/或软件(包括固件、微代码等)的形式来实现。另外，本公开的技术可以采取存储有指令的计算机可读介质上的计算机程序产品的形式，该计算机程序产品可供指令执行***使用或者结合指令执行***使用。在本公开的上下文中，计算机可读介质可以是能够包含、存储、传送、传播或传输指令的任意介质。例如，计算机可读介质可以包括但不限于电、磁、光、电磁、红外或半导体***、装置、器件或传播介质。计算机可读介质的具体示例包括：磁存储装置，如磁带或硬盘(HDD)；光存储装置，如光盘(CD-ROM)；存储器，如随机存取存储器(RAM)或闪存；和/或有线/无线通信链路。
下文以LTE移动通信***及其后续的演进版本作为示例应用环境，具体描述了根据本发明的多个实施方式。然而，需要指出的是，本发明不限于以下实施方式，而是可适用于更多其它的无线通信***，例如今后的5G蜂窝通信***，而且可以适用于其他基站和终端设备，例如支持eMTC、MMTC等的基站和终端设备。
在具体描述之前，先对本发明中提到的若干术语做如下说明。除非另有指出，本发明中涉及的术语都具有下文的含义。另外，本文中所述的“缺省的(default)”(BWP)配置含义可以是“默认的”或者 “有默认值的”，可以是UE和网络或者基站侧双方约定的(BWP)配置，可以是直接在信令中指出，或者也可以是事先约定好的配置，不需要携带在具体信令中。
UE User Equipment用户设备/终端设备
MAC Medium Access Control媒体接入控制
RRC Radio Resource Control无线资源控制
PRACH Physical Random Access Channel，物理随机接入信道
本公开的实施例提供了一种带宽配置方法。该方法针对在具有专有的带宽部分(BWP)配置但是当前没有被激活的带宽部分的情况下需要进行信号传输的用户设备UE。
公共的BWP配置可以为UE提供初始接入的配置信息，即当UE没有接收过任何专有BWP配置时，可以采用公共的配置，一旦在专有信令中接收到有效的BWP配置，UE则不再采用公共的BWP配置，而是按照专有的BWP配置进行工作，并且UE仅仅在这些配置的BWP中被激活的BWP上工作。UE接收到的BWP配置中，总是或者至少有一个缺省的或者默认的(default)BWP是被激活的，基站可以指示UE切换到其他的BWP上工作，则被切换的BWP将成为新的、被激活的BWP。但是在一些情况下，UE可能具有专有的BWP配置，却没有被激活的BWP，例如：
情况一：RRC连接重建
UE在传输过程中，由于信号干扰或者其他原因，导致链路发生问题，从而触发RRC连接重建过程。在重建之前，UE接收过有效的BWP配置，但是被激活的BWP上可能发生链路问题从而无法继续工作。这种情况下，UE可以认为被激活的BWP失效或者被去激活，进一步还可以认为缺省的或者默认的BWP也同样被去激活。
情况二：UE从非激活态向连接态转换
在未来接入技术中，根据UE在空口的连接状态，UE的状态可以分为空闲态，连接态以及中间态。在中间态下，UE虽然在空口上无连接，但是UE的接入层上下文(AS context)被保留在基站和UE侧，并且UE被分配了resume ID，该ID是UE用来恢复RRC连接的身份 标示。这种中间态可以认为是一种连接暂停(suspend)的状态，又或者可以认为是连接非激活(Inactive)状态。
UE从连接态进入非激活态之前，从基站处接收了专有的BWP配置，并且工作在其中被激活的BWP上；但是进入非激活态后，由于空口无连接，则不存在被激活的BWP，但是UE仍然保存有专有的BWP配置。
在上述情况下，UE为了重建立RRC连接或者恢复RRC连接，需要向基站发起接入请求，那么UE如何确定其发起接入的BWP是需要解决的问题。如果继续采用专有的BWP配置，那么UE首先要确定哪一个或者哪一些被配置的BWP是激活的，才能在激活的BWP上继续工作。但是由于UE的空口连接处于断开的状态，即没有被激活的BWP可以工作，则在这种情况下，UE需要知道如何在有配置却没有激活的BWP的情况下该如何处理。另外，一旦UE确定了某个BWP为激活的BWP，为了恢复连接，UE需要发起上行接入请求，但是其确定的、激活的BWP可能包含有上行接入资源，也可能不包含，在这种情况下，UE如何继续选定BWP也是需要解决的问题。
根据本公开的实施例，将用户设备配置为在没有激活的带宽部分(但是具有专有的带宽部分配置)的情况下使用缺省的带宽部分配置，完善了用户设备的带宽配置。缺省的带宽部分配置可以根据***配置、运营商需求等预先配置。根据本公开的一个实施例，可以将缺省的带宽部分配置配置为释放专有的带宽部分配置，然后采用公共的带宽部分配置进行信号传输。当然，根据本公开的实施例，缺省的带宽部分配置不局限于这种配置。
图1示意性地示出了根据本公开的实施例的带宽配置方法100的流程图。
如图所示，该方法开始于操作S110，确定需要使用激活的带宽部分。根据本公开的实施例的带宽配置方法开始于用户设备需要进行信号传输，即使用激活的带宽部分。如果确定需要使用激活的带宽部分，则该方法前进到操作S120，确定是否存在激活的带宽部分。如果没有激活的带宽部分，则该方法前进到操作S170，使用缺省的带宽部分配置进行操 作。如果存在激活的带宽部分，则方法前进到操作S140，使用激活的带宽部分进行操作。
图1还示出了，根据本公开的实施例，操作S170可以进一步包括操作S1710，释放专有的带宽部分配置，以及操作S1720，采用公共的带宽部分配置进行信号传输。公共的带宽部分配置可以包括用户设备可以采用的上行链路带宽部分和下行链路带宽部分等配置信息。
根据本公开的另一实施例，带宽配置方法100还可以包括操作S130，确定当前服务小区是否发生变化。如果当前的服务小区发生变化，则方法前进到操作S170，使用缺省的带宽部分配置进行操作。如果在操作S130中确定当前服务小区未发生变化，则方法前进到操作S150，确定在前一次激活的带宽部分上是否存在接入资源，例如PRACH资源。如果确定在前一次激活的带宽部分上存在接入资源可用，则方法前进到操作S160，使用前一次激活的带宽部分来进行操作，例如在该带宽部分上进行信号(例如，控制信令，重新接入请求等)传输。如果在前一次激活的带宽部分上不存在接入资源可用，则方法前进到操作S170，使用缺省的带宽部分配置进行操作。
根据本公开的实施例，缺省的带宽部分配置被包括在缺省的物理层/物理信道配置中。当用户设备确定没有激活的带宽部分可用时，其采用缺省的物理层/物理信道配置，这样也就采用了缺省的带宽部分配置。
根据本公开的实施例，确定需要使用激活的带宽部分是以下情况中的任意一种：RRC连接重建立过程的触发；从非激活态转换到激活态的RRC连接建立过程的触发；或RRC连接建立过程的触发。
下面结合具体示例来描述根据本公开实施例的带宽配置方法。
示例1
当RRC连接重建立被触发或者启动，UE在RRC连接重建立的初始化过程中，总是采用缺省的(default)BWP配置。具体的可以是定义缺省的BWP配置取值为释放(release)。对配置取值为释放可以理解为一种指令，即UE确定要使用这样的配置后，要执行的动作为释放已有的BWP配置。进一步的，可以是释放专有的BWP配置。还可以 理解为UE确定要使用这样的配置后，可以进入无BWP配置状态。进一步的，可以是无专有BWP配置状态。UE在确定要使用BWP配置取值为释放的缺省配置后，一旦UE接下来需要采用BWP配置进行某些行为，则UE总是采用公共的BWP配置，或者说是采用从***信息中获取的BWP配置。
进一步可以将BWP配置分为上行和下行，对于缺省的上行的BWP配置和缺省的下行的BWP配置的取值都为释放。
Figure PCTCN2018115933-appb-000001
本示例的另外一种实现方式为
预配置一个缺省的物理层/物理信道配置，在其中包含缺省的BWP配置，并且缺省的BWP配置的取值为释放(release)。进一步的，可以区分上行以及下行的缺省的BWP配置如下：
Figure PCTCN2018115933-appb-000002
则当RRC连接重建立被触发或者启动时，UE在RRC连接重建立的初始化过程中，总是采用缺省的物理层/物理信道。
示例2
示例2与示例1的区别在于，UE当前处于非激活(inactive)态，那么当UE在inactive态下需要请求恢复RRC连接时，采用根据本公开实施例所述的带宽配置方法。
具体可以是UE在发送RRC连接恢复请求(RRC connection resume request)消息之前，或者是当UE在Inactive态，为了恢复RRC连接而触发的RRC连接建立过程，在初始化过程中，采用缺省的BWP配置。具体的可以是定义缺省的BWP配置取值为释放。
进一步可以将缺省的BWP配置分为上行和下行，对于缺省的上行的BWP配置和缺省的下行的BWP配置的取值都为释放。
Figure PCTCN2018115933-appb-000003
本示例的另外一种实现方式为
预配置一个缺省的物理层/物理信道配置，在其中包含缺省的BWP配置，并且缺省的BWP配置的取值为释放(release)。进一步的，可以区分上行以及下行的缺省的BWP配置如下：
Figure PCTCN2018115933-appb-000004
则当UE在Inactive态，为了恢复RRC连接而触发的RRC连接建立过程，在初始化过程中，采用缺省的物理层/物理信道。
示例3
示例3与示例1的区别在于UE还可以在RRC连接建立的过程中采用根据本公开实施例所述的带宽配置方法。
当UE发生小区重选时，由于需要在新的小区建立RRC连接，为了避免UE在之前小区进行连接时收到的BWP配置对UE在新小区建立RRC连接带来影响，所以可以规定当UE在空闲态，为了建立RRC连接而触发的RRC连接建立过程，在初始化过程中，采用缺省的BWP配置。具体的可以是定义缺省的BWP配置取值为释放。
进一步可以将BWP配置分为上行和下行，对于缺省的上行的BWP配置和缺省的下行的BWP配置的取值都为释放。
Figure PCTCN2018115933-appb-000005
Figure PCTCN2018115933-appb-000006
本示例的另外一种实现方式为
预配置一个缺省的物理层/物理信道配置，在其中包含缺省的BWP配置，并且缺省的BWP配置的取值为释放(release)。进一步的，可以区分上行以及下行的缺省的BWP配置如下：
Figure PCTCN2018115933-appb-000007
则当UE在空闲态，为了建立RRC连接而触发的RRC连接建立过程，在初始化过程中，采用缺省的物理层/物理信道。
示例4：
与前3个示例采用缺省的BWP配置不同，在本示例中UE可以根据之前配置的BWP来进行操作。
当RRC连接重建立被触发或者启动，UE在RRC连接重建立的初始化过程中，确定当前服务小区是否发生变化，即判断将要进行RRC连接重建的小区与进行RRC连接重建之前的服务小区是否相同。例如，可以根据小区id来确定服务小区是否发生变化。
如果当前服务小区没有发生变化，则判断发起重建立过程之前、激活的BWP上是否有接入资源(例如，PRACH资源)。特别的，如果发起重建立过程之前，UE工作在缺省的BWP上，则认为该BWP为激活的BWP：
如果有，则在该BWP上发起接入请求；
如果没有，则按照本公开实施例所述的带宽配置方法执行。
如果当前服务小区发生了变化，则按照本公开实施例所述的带宽配置方法执行。
上述过程还可以发生在示例2所述的情况下，即，UE在发送RRC连接恢复请求(RRC connection resume request)消息之前，或者是当 UE在Inactive态，为了恢复RRC连接而触发的RRC连接建立过程，在初始化过程中。在该过程中，确定当前服务小区是否发生变化，即判断将要进行RRC连接重建的小区与进行RRC连接重建之前的服务小区是否相同。例如，可以根据小区id来确定服务小区是否发生变化。
如果当前服务小区没有发生变化，则判断发送RRC连接恢复请求或者为了恢复RRC连接而触发的RRC连接建立过程之前、激活的BWP上是否有接入资源(例如，PRACH资源)。特别的，如果发送RRC连接恢复请求或发起连接建立过程之前，UE工作在缺省的BWP上，则认为该BWP为激活的BWP：
如果有，则在该BWP上发起接入请求；
如果没有，则按照本公开实施例所述的带宽配置方法执行。
如果当前服务小区发生了变化，则按照本公开实施例所述的带宽配置方法执行。
图2示意性示出了根据本公开的实施例的电子设备200的框图。
如图2所示，电子设备200包括带宽确定模块210以及带宽配置模块220。该电子设备200可以执行上面参考图1描述以及结合示例1～4所述的方法，以实现对带宽部分的配置。
具体地，带宽确定模块210被配置为响应于确定需要使用激活的带宽部分，确定是否存在激活的带宽部分。带宽配置模块220被配置为在带宽确定模块210确定没有激活的带宽部分时，使用缺省的带宽部分配置。
根据本公开的实施例，带宽确定模块210被配置为在确定需要使用激活的带宽部分时启动，以确定是否存在激活的带宽部分。
根据本公开的实施例，确定需要使用激活的带宽部分是以下情况中的任意一种：RRC连接重建立过程的触发；从非激活态转换到激活态的RRC连接建立过程的触发；或RRC连接建立过程的触发。
根据本公开的实施例，带宽配置模块220可被配置为释放专有的带宽部分配置；以及采用公共的带宽部分配置进行信号传输。
根据本公开的实施例，带宽配置模块220还可被配置为确定当前服务小区是否发生变化；当确定当前服务小区没有发生变化时，确定 前一次激活的带宽部分上是否存在接入资源；当前一次激活的带宽部分上存在接入资源，则使用前一次激活的带宽部分，作为当前激活的带宽部分。而如果前一次激活的带宽部分上不存在接入资源，则使用缺省的带宽部分配置。
可以理解的是，带宽确定模块210和带宽配置模块220可以合并在一个模块中实现，或者其中的任意一个模块可以被拆分成多个模块。或者，这些模块中的一个或多个模块的至少部分功能可以与其他模块的至少部分功能相结合，并在一个模块中实现。根据本公开的实施例，带宽确定模块210和带宽配置模块220的至少一个可以至少被部分地实现为硬件电路，例如现场可编程门阵列(FPGA)、可编程逻辑阵列(PLA)、片上***、基板上的***、封装上的***、专用集成电路(ASIC)，或可以以对电路进行集成或封装的任何其他的合理方式等硬件或固件来实现，或以软件、硬件以及固件三种实现方式的适当组合来实现。或者，带宽确定模块210和带宽配置模块220中的至少一个可以至少被部分地实现为计算机程序模块，当该程序被计算机运行时，可以执行相应模块的功能。
图3示意性示出了根据本公开的另一实施例的电子设备300的框图。
如图3所示，电子设备300包括处理器310、计算机可读存储介质320、信号发送器330、以及信号接收器340。该电子设备300可以执行上面参考图1描述以及结合示例1～4所述的方法，以实现对带宽部分的配置。
具体地，处理器310例如可以包括通用微处理器、指令集处理器和/或相关芯片组和/或专用微处理器(例如，专用集成电路(ASIC))，等等。处理器310还可以包括用于缓存用途的板载存储器。处理器310可以是用于执行参考图1描述以及结合示例1～4所述的根据本公开实施例的方法流程的不同动作的单一处理单元或者是多个处理单元。
计算机可读存储介质320，例如可以是能够包含、存储、传送、传播或传输指令的任意介质。例如，可读存储介质可以包括但不限于电、磁、光、电磁、红外或半导体***、装置、器件或传播介质。可读存储介质的具体示例包括：磁存储装置，如磁带或硬盘(HDD)；光存储装 置，如光盘(CD-ROM)；存储器，如随机存取存储器(RAM)或闪存；和/或有线/无线通信链路。
计算机可读存储介质320可以包括计算机程序321，该计算机程序321可以包括代码/计算机可执行指令，其在由处理器310执行时使得处理器310执行例如上面参考图1描述以及结合示例1～4所述的方法流程及其任何变形。
计算机程序321可被配置为具有例如包括计算机程序模块的计算机程序代码。例如，在示例实施例中，计算机程序321中的代码可以包括一个或多个程序模块，例如包括模块321A、模块321B……。例如，模块321A在执行时，使电子设备确定是否存在激活的带宽部分。如果确定不存在激活的带宽部分，则模块321B执行，使电子设备使用缺省的带宽部分配置。
应当注意，模块的划分方式和个数并不是固定的，本领域技术人员可以根据实际情况使用合适的程序模块或程序模块组合，当这些程序模块组合被处理器310执行时，使得处理器310可以执行例如上面参考图1描述以及结合示例1～4所述的方法流程及其任何变形。
根据本公开的实施例，处理器310可以与信号发送器330和信号接收器340进行交互，来执行例如上面参考图1描述以及结合示例1～4所述的方法流程及其任何变形。例如，在模块321B确定使用缺省的带宽部分配置进行操作时，电子设备可以释放专有的带宽部分配置，并采用公共的带宽部分配置，例如在公共的带宽部分上，经由信号发送器330和信号接收器340，在上行链路和下行链路上进行信号传输。
根据本公开的实施例，带宽确定模块210和带宽配置模块220中的至少一个可以实现为参考图3描述的计算机程序模块，其在被处理器310执行时，可以实现上面描述的相应操作。
运行在根据本发明的设备上的程序可以是通过控制中央处理单元(CPU)来使计算机实现本发明的实施例功能的程序。该程序或由该程序处理的信息可以临时存储在易失性存储器(如随机存取存储器RAM)、硬盘驱动器(HDD)、非易失性存储器(如闪速存储器)、或其他存储器***中。
用于实现本发明各实施例功能的程序可以记录在计算机可读记录介质上。可以通过使计算机***读取记录在所述记录介质上的程序并执行这些程序来实现相应的功能。此处的所谓“计算机***”可以是嵌入在该设备中的计算机***，可以包括操作***或硬件(如***设备)。“计算机可读记录介质”可以是半导体记录介质、光学记录介质、磁性记录介质、短时动态存储程序的记录介质、或计算机可读的任何其他记录介质。
用在上述实施例中的设备的各种特征或功能模块可以通过电路(例如，单片或多片集成电路)来实现或执行。设计用于执行本说明书所描述的功能的电路可以包括通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC)、现场可编程门阵列(FPGA)、或其他可编程逻辑器件、分立的门或晶体管逻辑、分立的硬件组件、或上述器件的任意组合。通用处理器可以是微处理器，也可以是任何现有的处理器、控制器、微控制器、或状态机。上述电路可以是数字电路，也可以是模拟电路。因半导体技术的进步而出现了替代现有集成电路的新的集成电路技术的情况下，本发明的一个或多个实施例也可以使用这些新的集成电路技术来实现。
此外，本发明并不局限于上述实施例。尽管已经描述了所述实施例的各种示例，但本发明并不局限于此。安装在室内或室外的固定或非移动电子设备可以用作终端设备或通信设备，如AV设备、厨房设备、清洁设备、空调、办公设备、自动贩售机、以及其他家用电器等。
如上，已经参考附图对本发明的实施例进行了详细描述。但是，具体的结构并不局限于上述实施例，本发明也包括不偏离本发明主旨的任何设计改动。另外，可以在权利要求的范围内对本发明进行多种改动，通过适当地组合不同实施例所公开的技术手段所得到的实施例也包含在本发明的技术范围内。此外，上述实施例中所描述的具有相同效果的组件可以相互替代。

Claims (10)

  1. 一种带宽配置方法，包括：
    响应于确定需要使用激活的带宽部分，确定是否存在激活的带宽部分；以及
    如果没有激活的带宽部分，则使用缺省的带宽部分配置。
  2. 根据权利要求1所述的带宽配置方法，其中，所述缺省的带宽部分配置被包括在缺省的物理层/物理信道配置中。
  3. 根据权利要求1所述的带宽配置方法，其中，所述缺省的带宽部分配置包括释放专有的带宽部分配置。
  4. 根据权利要求3所述的带宽配置方法，其中，使用缺省的带宽部分配置包括：
    释放专有的带宽部分配置；以及
    采用公共的带宽部分配置进行信号传输。
  5. 根据权利要求1所述的带宽配置方法，其中，确定需要使用激活的带宽部分是以下情况中的任意一种：RRC连接重建立过程的触发；从非激活态转换到激活态的RRC连接建立过程的触发；或RRC连接建立过程的触发。
  6. 根据权利要求1所述的带宽配置方法，还包括：
    确定当前服务小区是否发生变化；以及
    当确定当前服务小区没有发生变化时，确定前一次激活的带宽部分上是否存在接入资源。
  7. 根据权利要求6所述的带宽配置方法，还包括：
    当前一次激活的带宽部分上存在接入资源，则使用前一次激活的带宽部分，作为当前激活的带宽部分。
  8. 根据权利要求7所述的带宽配置方法，还包括：
    当前一次激活的带宽部分上不存在接入资源时，使用缺省的带宽部分配置。
  9. 一种电子设备，包括
    带宽确定模块，被配置为响应于确定需要使用激活的带宽部分，确定是否存在激活的带宽部分；以及
    带宽配置模块，被配置为在带宽确定模块确定没有激活的带宽部分时，使用缺省的带宽部分配置。
  10. 一种电子设备，包括
    一个或多个处理器，以及
    存储器，存储有计算机程序，所述计算机程序在所述一个或多个处理器上执行时，使得所述一个或多个处理器执行根据权利要求1至8之一所述的方法。
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