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A communication method and device
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A technology of communication device and communication method, applied in the field of communication
Active Publication Date: 2021-02-12
HUAWEI TECH CO LTD
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Abstract
Description
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Problems solved by technology
[0005] In view of this, the embodiment of the present application provides a communication method and device for solving the technical problem of how network equipment and terminal equipment communicate on multiple continuous frequency domain resources
Method used
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Embodiment 1
[0073] figure 2 It is a schematicflowchart corresponding to the communication method provided in Embodiment 1 of this application, as shown in figure 2 As shown, the method includes:
[0074] Step 201a, the network device sends first information to the terminal device, where the first information is used to indicate the identifier of the first frequency domain resource, and the first frequency domain resource is continuous in the frequency domain.
[0075] Correspondingly, in step 201b, the terminal device receives the first information sent by the network device.
[0076] Here, there may be multiple implementation manners for the network device to send the first information to the terminal, for example, carrying the first information through signaling (or a message). In an example, the network device may control a control element (control element, CE) through radio resource control (radio resource control, RRC) signaling or downlink control information (downlink control ...
example 1
[0136] Example 1: The network device is configured with BWP0, BWP1, BWP2, and BWP3 for CC0, BWP0 and BWP2 for CC1, BWP1 and BWP 2 for CC2, and BWP3 for CC3.
[0137] The following takes BWPs with the same identifier to form a BWP bundle as an example. As shown in Table 8, several BWP examples configured for network devices.
[0138] Table 8: Multiple BWP examples
[0139]
[0140] In one situation, the first information includes an identifier of the first frequency domain resource. The meaning of the first information can be determined according to the state of the terminal device.
[0141] If the current BWP bundle is on / true, if the first information (identification of the first frequency domain resource) configured by the network device is CC0 and BWP0 (or CC1 and BWP0), the terminal device can use the identification of the first frequency domain resource , it is determined that the second frequency domain resource to be activated is the BWP bundle including the first...
example 2
[0162] Example 2: The network device is configured with BWP0, BWP1, BWP2, and BWP3 for CC0, BWP4 and BWP5 for CC1, BWP6 and BWP7 for CC2, and BWP8 for CC3.
[0163] The following takes the BWP on the same CC to form a BWP bundle as an example. As shown in Table 13, several BWP examples configured for network devices.
[0164] Table 13: Multiple BWP examples
[0165]
[0166]
[0167] The meaning of the first information can be determined according to the state of the terminal device.
[0168] If the current BWP bundle is on / true, and if the identifier of the first frequency domain resource configured by the network device is BWP0 (or BWP 1 or BWP2 or BWP3), the terminal device can determine that it needs to be activated according to the identifier of the first frequency domain resource. The second frequency domain resource is a frequency domain resource including BWP0, BWP1, BWP2, and BWP3; if the identifier of the first frequency domain resource configured by the netw...
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Abstract
The present application relates to the technical field of communication, and discloses a communication method and device. The method includes: the terminal device receives first information, the first information is used to indicate the identity of the first frequency domain resource, and the first frequency domain resource is continuous in the frequency domain; when the state of the terminal device is the first state, the terminal device according to The first information is to communicate with the network device on the second frequency domain resource; wherein, the second frequency domain resource includes multiple segments of continuous frequency domain resources, and the first frequency domain resource is one of the multiple segments of continuous frequency domain resources. By adopting the above method, according to the received first information, the terminal device can communicate with the network device on the second frequency domain resource when the state of the terminal device is the first state, because the second frequency domain resource includes multiple continuous frequency bands Domain resources, so that data transmission under discrete spectrum can be realized, and the efficiency of spectrum usage can be improved.
Description
technical field [0001] The present application relates to the technical field of communication, and in particular to a communication method and device. Background technique [0002] In a wireless communication system, terminal equipment and network equipment communicate wirelessly based on radio communication technology. In the 5G new radio (new radio, NR) communication system under discussion, the maximum bandwidth of a carrier can reach 400MHz, but the maximum bandwidth capability supported by terminal equipment may not reach such a large bandwidth. When the terminal equipment does not support the bandwidth capability of a carrier, the base station cannot directly allocate frequency domain resources to the terminal equipment within the scope of the carrier bandwidth like the long term evolution (LTE) system, but needs to first allocate frequency domain resources within the carrier bandwidth. One or more bandwidth parts (bandwidth part, BWP) are configured for the terminal...
Claims
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Application Information
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