CN-116208283-B - Multimode synchronous communication system and user terminal

CN116208283BCN 116208283 BCN116208283 BCN 116208283BCN-116208283-B

Abstract

The invention provides a multimode synchronous communication system and a user terminal, which relate to the technical field of mobile communication and comprise a frame interrupt clock, a processor, a main mode communication system and at least one auxiliary mode communication system, wherein the main mode communication system is used for capturing a main mode callback function according to the interrupt signal for each frame length so as to execute a corresponding communication task and output own frame parameters, and the auxiliary mode communication system is used for acquiring a synchronous time offset between a frame head of the auxiliary mode communication system and the frame head of the main mode communication system according to the interrupt signal and the frame parameters when a test starting instruction sent by a radio frequency module is received and the completion of the communication task execution of the main mode communication system is detected, so as to periodically measure mobility according to the synchronous time offset. The method has the advantages of less occupied hardware resources, low cost and low power consumption, and is simple in software implementation, and no inter-core communication or task arbitration is required.

Inventors

FENG JINCHENG

Assignees

珠海新基讯通信技术有限公司

Dates

Publication Date: 20260505
Application Date: 20230228

Claims (7)

1. A multimode synchronous communication system, comprising: A frame interrupt clock for generating an interrupt signal; The processor is respectively connected with the frame interrupt clock and the wireless radio frequency module, and a main mode communication system and at least one auxiliary mode communication system are operated on the processor; The main mode communication system is used for capturing a main mode callback function according to the interrupt signal for each frame length so as to execute a corresponding communication task and output frame parameters of the main mode callback function; the auxiliary mode communication system is used for acquiring a synchronous time offset between a frame header of the auxiliary mode communication system and a frame header of the main mode communication system according to the interrupt signal and the frame parameter when a start-up instruction sent by the wireless radio frequency module is received and the communication task of the main mode communication system is detected to be executed, so as to periodically perform mobility measurement according to the synchronous time offset; The frame parameters include a frame number, a subframe number, and a slot number of the master mode communication system.
2. The multimode synchronous communication system of claim 1, wherein the wireless radio frequency module comprises: A receiving antenna for detecting a base station signal of the main mode communication system in real time; and the signal evaluation unit is connected with the receiving antenna and is used for generating the starting instruction when the signal quality of the main mode communication system is judged to be lower than a preset threshold value according to the base station signal.
3. The multimode synchronous communication system of claim 1, wherein the secondary mode communication system comprises: a first acquiring unit configured to acquire the frame parameters of the master mode communication system; And the second acquisition unit is connected with the first acquisition unit and is used for carrying out blind detection on the auxiliary mode signal based on the frame parameter to obtain the synchronous time offset between the frame header of the second acquisition unit and the frame header of the main mode communication system.
4. The multimode synchronous communication system of claim 1 wherein the synchronization time offset comprises a sub-frame number offset and an observation time difference of a frame header of the secondary mode communication system relative to a frame header of the primary mode communication system.
5. The multimode synchronous communication system of claim 4, wherein the secondary mode communication system further comprises: A first synchronization unit, configured to calculate a subframe number of the secondary mode communication system for performing the mobility measurement according to the subframe number deviation and a frame header of the primary mode communication system; And the second synchronization unit is connected with the first synchronization unit and is used for starting to capture an auxiliary mode callback function according to at least one subframe number before the mobility measurement subframe number is executed according to the interrupt signal so as to start to execute a corresponding measurement task after reaching the observation time difference after the subframe head of the mobility measurement subframe number.
6. The multimode synchronous communication system of claim 4 wherein the observed time difference is less than one subframe number length.
7. A user terminal comprising a multimode synchronous communication system as claimed in any one of claims 1 to 6.

Description

Multimode synchronous communication system and user terminal Technical Field The present invention relates to the field of mobile communications technologies, and in particular, to a multimode synchronous communications system and a user terminal. Background With the evolution of communication technology and the development of internet of things, the requirements of the user terminal on low power consumption and low cost are higher and higher. However, for a multimode communication system, each communication mode frame interrupt may be based on the same or different source clocks, and in the prior art, each communication mode employed a separate frame interrupt, and the scheduling of the respective communication modes was separate and on different processors. The method needs to integrate a plurality of processor chips on the user terminal so as to realize that each communication mode can monopolize one or a plurality of processors, which can lead to large chip area, higher bottom current and more occupied hardware resources, and high cost and high power consumption. In addition, each communication mode occupies one frame interrupt, so that the system frame numbers of the communication modes are different, and an asynchronous system is formed. When the software scheduling is carried out, the task requirements of all communication modes are required, an additional MMC module is required to carry out task management arbitration, and the software design is complex. Disclosure of Invention In view of the problems existing in the prior art, the present invention provides a multimode synchronous communication system, comprising: A frame interrupt clock for generating an interrupt signal; The processor is respectively connected with the frame interrupt clock and the wireless radio frequency module, and a main mode communication system and at least one auxiliary mode communication system are operated on the processor; The main mode communication system is used for capturing a main mode callback function according to the interrupt signal for each frame length so as to execute a corresponding communication task and output frame parameters of the main mode callback function; The auxiliary mode communication system is used for acquiring a synchronous time offset between a frame header of the auxiliary mode communication system and a frame header of the main mode communication system according to the interrupt signal and the frame parameter when a start instruction sent by the wireless radio frequency module is received and the communication task of the main mode communication system is detected to be executed, so as to periodically perform mobility measurement according to the synchronous time offset. Preferably, the frame parameters include a frame number, a subframe number, and a slot number of the primary mode communication system. Preferably, the radio frequency module includes: A receiving antenna for detecting a base station signal of the main mode communication system in real time; and the signal evaluation unit is connected with the receiving antenna and is used for generating the starting instruction when the signal quality of the main mode communication system is judged to be lower than a preset threshold value according to the base station signal. Preferably, the secondary mode communication system includes: a first acquiring unit configured to acquire the frame parameters of the master mode communication system; And the second acquisition unit is connected with the first acquisition unit and is used for carrying out blind detection on the auxiliary mode signal based on the frame parameter to obtain the synchronous time offset between the frame header of the second acquisition unit and the frame header of the main mode communication system. Preferably, the synchronization time offset includes a sub-frame number deviation and an observation time difference of a frame header of the secondary mode communication system with respect to a frame header of the primary mode communication system. Preferably, the secondary mode communication system further comprises: A first synchronization unit, configured to calculate a subframe number of the secondary mode communication system for performing the mobility measurement according to the subframe number deviation and a frame header of the primary mode communication system; And the second synchronization unit is connected with the first synchronization unit and is used for starting to capture an auxiliary mode callback function according to at least one subframe number before the mobility measurement subframe number is executed according to the interrupt signal so as to start to execute a corresponding measurement task after reaching the observation time difference after the subframe head of the mobility measurement subframe number. Preferably, the observation time difference is smaller than one subframe number length. The invention also provides a user terminal comprisin