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Data transmission method and device, and storage medium

A data transmission method and terminal equipment technology, applied in the field of data transmission method and equipment, and storage media, can solve the problems of main card SA + secondary card LTE, main card fallback, etc., and achieve the effect of improving user perception and ensuring data performance

Pending Publication Date: 2022-04-12
CHINA TELECOM CORP LTD
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present disclosure is to provide a data transmission method, device, and storage medium, at least to a certain extent, to overcome the problem in the related art that the main card falls back to 4G when making a voice call and cannot realize the concurrent service of the main card SA+secondary card LTE business

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  • Data transmission method and device, and storage medium
  • Data transmission method and device, and storage medium
  • Data transmission method and device, and storage medium

Examples

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Embodiment Construction

[0032] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

[0033] Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus repeated descriptions thereof will be omitted. Some of the block diagrams shown in the drawings are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities ...

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Abstract

The invention provides a data transmission method and device, and a storage medium, and relates to the technical field of wireless communication. And when a first user card of the terminal equipment receives voice paging information sent by network equipment, the terminal equipment sends network switching rejection information to the network equipment to indicate the network equipment to reject switching from the 5G network to the 4G network, and in response to the network switching rejection information, the network equipment sends a voice paging request corresponding to the voice paging information to the second user card of the terminal equipment and establishes connection with the second user card of the terminal equipment to perform a voice session, so that the main card is prevented from falling back to 4G, the SA + LTE service concurrence of the main card is realized, the data performance is effectively guaranteed, and the user experience is improved. And meanwhile, the user perception of the bi-pass terminal equipment is greatly improved.

Description

technical field [0001] The present disclosure relates to the technical field of wireless communication, and in particular, to a data transmission method and device, and a storage medium. Background technique [0002] When evaluating the function and performance of a dual-card dual-pass terminal device in a test scenario (such as main card SA+secondary card LTE), it is found that the terminal device supports concurrent main card (NR data) + secondary card (VoLTE) services, and the dual-card business concurrent function / The performance is the same as that of the dual-card single-pass terminal equipment. However, when the main card in the 5G SA data service state receives a voice calling session (VoLTE MT call) sent by the network device, the data rate drops sharply by more than 90%. [0003] After analysis, the reason is that the current 5G SA network mainly falls back to the 4G VoLTE network through EPS Fallback to provide voice services, resulting in the SA data service of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/14H04W76/10H04W84/02H04W88/06
Inventor 戴国华吴海波刁永平谭华赵强
Owner CHINA TELECOM CORP LTD
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