阅读说明：本技术 一种通信方法及装置 (Communication method and device ) 是由 常俊仁 邓猛 孔令帅 张茜 胡小群 曹振臻 冯淑兰 于 2019-08-15 设计创作，主要内容包括：本申请涉及一种通信方法及装置。终端设备接收来自网络设备的RRC消息。终端设备确定不支持第二信道带宽,第二信道带宽为从第一小区的公共配置信息中获取的信道带宽,终端设备确定不支持RRC消息指示的第一信道带宽或终端设备确定RRC消息未包括第一信道带宽。终端设备不使用第一小区。本申请实施例为终端设备在第一小区无法正常工作的情况提供了解决方案,例如终端设备可以重新接入其他小区,从而可以尽量使得终端设备能够尽快恢复工作状态。(The application relates to a communication method and device. The terminal device receives an RRC message from the network device. And the terminal equipment determines that the second channel bandwidth is not supported, the second channel bandwidth is the channel bandwidth acquired from the common configuration information of the first cell, and the terminal equipment determines that the first channel bandwidth indicated by the RRC message is not supported or the terminal equipment determines that the RRC message does not include the first channel bandwidth. The terminal device does not use the first cell. The embodiment of the application provides a solution for the situation that the terminal equipment cannot normally work in the first cell, for example, the terminal equipment can be re-accessed into other cells, so that the terminal equipment can be enabled to recover the working state as soon as possible.)

A method of communication, comprising:

obtaining first information, where the first information includes one or more of a second channel bandwidth or a set of bandwidths allowed to be configured by a control resource set 0 of a first cell, and the second channel bandwidth is a channel bandwidth obtained from common configuration information of the first cell;

determining not to access the first cell based on the bandwidth of the initial BWP of the first cell and the first information.

The method of claim 1, wherein determining not to access the first cell based on the bandwidth of the initial BWP of the first cell and the first information comprises:

determining that the bandwidth of the initial BWP is not supported and the second channel bandwidth is not supported;

determining not to access the first cell.

The method of claim 2, wherein determining that the bandwidth of the initial BWP is not supported comprises:

determining that no channel bandwidth greater than or equal to the bandwidth of the initial BWP exists in the set of channel bandwidths supported by the terminal device.

The method of claim 2 or 3, wherein determining the bandwidth that does not support the initial BWP comprises:

Determining that the bandwidth of the initial BWP is different from any bandwidth included in a bandwidth set allowed to be configured by a control resource set 0 of the first cell.

The method of claim 2, wherein determining that the second channel bandwidth is not supported comprises:

and determining that no channel bandwidth smaller than or equal to the second channel bandwidth exists in the channel bandwidth set supported by the terminal equipment.

The method of claim 2 or 5, wherein determining that the second channel bandwidth is not supported comprises:

and determining that the second channel bandwidth does not meet the index parameter requirement of the radio frequency filter of the terminal equipment.

The method according to any one of claims 1 to 6, further comprising:

receiving indication information from the network device, where the indication information is used to indicate the terminal device to use one or any combination of the following as a judgment condition for accessing the first cell:

the bandwidth of the initial BWP of the first cell, the bandwidth of the second channel, or the bandwidth allowed to be configured by the control resource set 0 of the first cell.

A method of communication, comprising:

Obtaining first information, where the first information includes one or more of a first channel bandwidth, a second channel bandwidth, or a bandwidth set allowed to be configured by a control resource set 0 of a first cell, where the first channel bandwidth is an operating channel bandwidth that can be used by the terminal device in the first cell, and the second channel bandwidth is a channel bandwidth obtained from common configuration information of the first cell;

determining to access the first cell or determine a bandwidth supporting initial BWP based on the bandwidth of initial BWP of the first cell and the first information.

The method of claim 8, wherein determining to access the first cell based on the bandwidth of the initial BWP of the first cell and the first information comprises:

determining to support the initial BWP bandwidth and the first channel bandwidth, the terminal device determining to access the first cell; or the like, or, alternatively,

determining to support the initial BWP bandwidth and the second channel bandwidth, the terminal device determining to access the first cell; or the like, or, alternatively,

determining to support the initial BWP bandwidth, the first channel bandwidth, and the second channel bandwidth, the terminal device determining to access the first cell.

The method according to claim 8 or 9, wherein determining a bandwidth supporting the initial BWP comprises:

determining that a channel bandwidth greater than or equal to the bandwidth of the initial BWP exists in the set of channel bandwidths supported by the terminal device.

The method according to any of claims 8-10, wherein determining a bandwidth supporting initial BWP for the first cell comprises:

and determining that a channel bandwidth smaller than or equal to the second channel bandwidth exists in the channel bandwidth set supported by the terminal equipment.

The method according to any of claims 8-11, wherein determining a bandwidth supporting initial BWP for the first cell comprises:

and determining that the radio frequency index requirement corresponding to the second channel bandwidth can be met when the terminal equipment works on the second channel bandwidth.

The method according to any of claims 8-12, wherein determining a bandwidth supporting the initial BWP comprises:

determining that a bandwidth of the initial BWP is the same as at least one bandwidth included in a bandwidth set allowed to be configured by a control resource set 0 of the first cell.

The method of claim 8 or 9, wherein determining that the second channel bandwidth is supported comprises:

And determining that a channel bandwidth smaller than or equal to the second channel bandwidth exists in the channel bandwidth set supported by the terminal equipment.

The method of claim 8, 9 or 14, wherein determining that the second channel bandwidth is supported comprises:

and determining that the radio frequency index requirement corresponding to the second channel bandwidth can be met when the terminal equipment works on the second channel bandwidth.

The method of claim 9, wherein determining that the first channel bandwidth is supported comprises:

determining that a channel bandwidth equal to the first channel bandwidth exists in the set of channel bandwidths supported by the terminal device.

A communications apparatus, comprising:

a memory to store instructions;

a processor configured to execute the instructions stored in the memory, obtain first information, and determine not to access the first cell based on a bandwidth of an initial BWP of the first cell and the first information, wherein the first information includes one or more of a second channel bandwidth or a set of bandwidths allowed to be configured by a control resource set 0 of the first cell, and the second channel bandwidth is a channel bandwidth obtained from common configuration information of the first cell.

The communications apparatus of claim 17, wherein the processor is configured to determine not to access the first cell based on the bandwidth of the initial BWP of the first cell and the first information by:

determining that the bandwidth of the initial BWP is not supported and the second channel bandwidth is not supported;

determining not to access the first cell.

The communications apparatus of claim 18, wherein the processor is configured to determine the bandwidth that does not support the initial BWP by:

determining that there is no channel bandwidth greater than or equal to the bandwidth of the initial BWP in the set of channel bandwidths supported by the communication device.

The communications apparatus of claim 18 or 19, wherein the processor is configured to determine the bandwidth that does not support the initial BWP by:

determining that the bandwidth of the initial BWP is different from any bandwidth included in a bandwidth set allowed to be configured by a control resource set 0 of the first cell.

The communications apparatus of claim 19, wherein the processor is configured to determine that the second channel bandwidth is not supported by:

Determining that there is no channel bandwidth less than or equal to the second channel bandwidth in the set of channel bandwidths supported by the communication device.

The communications apparatus of claim 19 or 21, wherein the processor is configured to determine that the second channel band is not supported by:

determining that the second channel bandwidth does not meet specification parameter requirements of a radio frequency filter of the communication device.

The apparatus according to any one of claims 17 to 22, wherein the apparatus further comprises a transceiver configured to receive indication information from the network device, where the indication information is used to instruct the apparatus to use one or any combination of the following as the determination condition for accessing the first cell:

the bandwidth of the initial BWP of the first cell, the bandwidth of the second channel, or the bandwidth allowed to be configured by the control resource set 0 of the first cell.

A communications apparatus, comprising:

a memory to store instructions;

a processor configured to execute the instructions stored in the memory, obtain first information, and determine to access the first cell or determine to support a bandwidth of an initial BWP of the first cell based on the bandwidth of the initial BWP and the first information, where the first information includes one or more of a first channel bandwidth, a second channel bandwidth, or a set of bandwidths allowed to be configured by a control resource set 0 of the first cell, the first channel bandwidth is an operating channel bandwidth that can be used by the communication apparatus in the first cell, and the second channel bandwidth is a channel bandwidth obtained from common configuration information of the first cell.

The communications apparatus of claim 24, wherein the processor is configured to determine to access the first cell based on the bandwidth of the initial BWP of the first cell and the first information by:

determining to support the initial BWP bandwidth and the first channel bandwidth, and determining to access the first cell; or the like, or, alternatively,

determining to support the initial BWP bandwidth and the second channel bandwidth, and determining to access the first cell; or the like, or, alternatively,

determining to support the initial BWP bandwidth, the first channel bandwidth, and the second channel bandwidth, and determining to access the first cell.

The communications apparatus of claim 24 or 25, wherein the processor is configured to determine the bandwidth supporting the initial BWP by:

determining that there is a channel bandwidth greater than or equal to the bandwidth of the initial BWP in the set of channel bandwidths supported by the communication device.

A communications device according to any of claims 24 to 26, wherein the processor is configured to determine the bandwidth supporting the initial BWP for the first cell by:

determining that there is a channel bandwidth less than or equal to the second channel bandwidth in the set of channel bandwidths supported by the communication device.

A communications device according to any of claims 24 to 27, wherein the processor is configured to determine the bandwidth supporting the initial BWP for the first cell by:

and determining that the radio frequency index requirement corresponding to the second channel bandwidth can be met when the communication device works on the second channel bandwidth.

The communications apparatus of any of claims 24-28, wherein the processor is configured to determine the bandwidth supporting the initial BWP by:

determining that a bandwidth of the initial BWP is the same as at least one bandwidth included in a bandwidth set allowed to be configured by a control resource set 0 of the first cell.

The communications apparatus of claim 28 or 29, wherein the processor is configured to determine that the second channel bandwidth is supported by:

determining that there is a channel bandwidth less than or equal to the second channel bandwidth in the set of channel bandwidths supported by the communication device.

A communications device as claimed in claim 24, 25 or 30, wherein the processor is configured to determine that the second channel bandwidth is supported by:

and determining that the radio frequency index requirement corresponding to the second channel bandwidth can be met when the communication device works on the second channel bandwidth.

The communications apparatus of claim 31, wherein the processor is configured to determine that the first channel bandwidth is supported by:

determining that a channel bandwidth equal to the first channel bandwidth exists in a set of channel bandwidths supported by the communication device.

A computer-readable storage medium, for storing a computer program which, when run on a computer, causes the computer to perform the method of any one of claims 1 to 7, or causes the computer to perform the method of any one of claims 8 to 16.

A communication system, characterized in that it comprises a communication device according to any one of claims 17 to 32.