Fig. 4 is a mode switching method of a wide-narrow dual-mode trunking terminal according to an embodiment of the present invention. The wide-narrow dual-mode trunking terminal comprises: an antenna; the radio frequency front end module comprises a radio frequency duplexer connected with the antenna; the broadband cluster module is connected with the radio frequency front end module; and the narrow-band cluster module is connected with the radio frequency front-end module and has the same working frequency band as the broadband cluster module.

As shown in fig. 4, the method includes:

step 401: detecting the downlink signal intensity of the broadband cluster;

step 402: and determining the working mode of the wide-narrow dual-mode cluster terminal according to the downlink signal intensity of the broadband cluster.

In one embodiment, the method further comprises:

The embodiment of the invention also provides a mode switching device of the wide-narrow dual-mode cluster terminal.

As shown in fig. 5, the mode switching device includes: aprocessor 501 and amemory 502; wherein thememory 502 has stored therein an application executable by theprocessor 501 for causing theprocessor 501 to execute the mode switching method of the wide-narrow dual-mode trunked terminal as described in any of the above.

Thememory 502 may be embodied as various storage media such as an Electrically Erasable Programmable Read Only Memory (EEPROM), a Flash memory (Flash memory), and a Programmable Read Only Memory (PROM). Theprocessor 501 may be implemented to include one or more central processors or one or more field programmable gate arrays that integrate one or more central processor cores. In particular, the central processor or central processor core may be implemented as a CPU or MCU.

It should be noted that not all steps and modules in the above flows and structures are necessary, and some steps or modules may be omitted according to actual needs. The execution order of the steps is not fixed and can be adjusted as required. The division of each module is only for convenience of describing adopted functional division, and in actual implementation, one module may be divided into multiple modules, and the functions of multiple modules may also be implemented by the same module, and these modules may be located in the same device or in different devices.

The hardware modules in the various embodiments may be implemented mechanically or electronically. For example, a hardware module may include a specially designed permanent circuit or logic device (e.g., a special purpose processor such as an FPGA or ASIC) for performing specific operations. A hardware module may also include programmable logic devices or circuits (e.g., including a general-purpose processor or other programmable processor) that are temporarily configured by software to perform certain operations. The implementation of the hardware module in a mechanical manner, or in a dedicated permanent circuit, or in a temporarily configured circuit (e.g., configured by software), may be determined based on cost and time considerations.

The present invention also provides a machine-readable storage medium storing instructions for causing a machine to perform a method as described herein. Specifically, a system or an apparatus equipped with a storage medium on which a software program code that realizes the functions of any of the embodiments described above is stored may be provided, and a computer (or a CPU or MPU) of the system or the apparatus is caused to read out and execute the program code stored in the storage medium. Further, part or all of the actual operations may be performed by an operating system or the like operating on the computer by instructions based on the program code. The functions of any of the above-described embodiments may also be implemented by writing the program code read out from the storage medium to a memory provided in an expansion board inserted into the computer or to a memory provided in an expansion unit connected to the computer, and then causing a CPU or the like mounted on the expansion board or the expansion unit to perform part or all of the actual operations based on the instructions of the program code.

Examples of the storage medium for supplying the program code include floppy disks, hard disks, magneto-optical disks, optical disks (e.g., CD-ROMs, CD-R, CD-RWs, DVD-ROMs, DVD-RAMs, DVD-RWs, DVD + RWs), magnetic tapes, nonvolatile memory cards, and ROMs. Alternatively, the program code may be downloaded from a server computer or the cloud by a communication network.

"exemplary" means "serving as an example, instance, or illustration" herein, and any illustration, embodiment, or steps described as "exemplary" herein should not be construed as a preferred or advantageous alternative. For the sake of simplicity, the drawings are only schematic representations of the parts relevant to the invention, and do not represent the actual structure of the product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "a" does not mean that the number of the relevant portions of the present invention is limited to "only one", and "a" does not mean that the number of the relevant portions of the present invention "more than one" is excluded. In this document, "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like are used only to indicate relative positional relationships between relevant portions, and do not limit absolute positions of the relevant portions.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A wide-narrow dual-mode trunking terminal, comprising:

an antenna;

2. The wide-narrow dual-mode trunking terminal of claim 1, wherein the rf front-end module further comprises:

the first power amplifier is connected with the broadband cluster module;

the second power amplifier is connected with the narrow-band cluster module;

3. The wide-narrow dual-mode cluster terminal of claim 1,

the mode selection module is used for determining that the working mode is a broadband trunking mode when the strength of the downlink signal is greater than or equal to a predetermined first threshold value; when the strength of the downlink signal is less than or equal to a preset second threshold value, determining that the working mode is a narrow-band cluster mode; and when the strength of the downlink signal is smaller than a first threshold value and larger than a second threshold value, determining that the working mode is a coexistence mode of a broadband cluster and a narrowband cluster, wherein the first threshold value is larger than the second threshold value.

4. The wide-narrow dual-mode cluster terminal of claim 1,

and the mode selection module is used for controlling the broadband cluster module to preferentially transmit data and starting a timer when the transmission conflict exists between the broadband cluster module and the narrowband cluster module in the coexistence mode, judging whether the narrowband cluster module is in a network-accessing residence state when the timer arrives, cancelling the timer if the narrowband cluster module is in the network-accessing residence state, and controlling the narrowband cluster module to preferentially transmit data to complete network-accessing residence after the broadband cluster module finishes transmitting data if the narrowband cluster module does not in the network-accessing residence state.

5. A mode switching method for a wide and narrow dual-mode trunking terminal is characterized in that the wide and narrow dual-mode trunking terminal comprises: an antenna; the radio frequency front end module comprises a radio frequency duplexer connected with the antenna; the broadband cluster module is connected with the radio frequency front end module; the narrow-band cluster module is connected with the radio frequency front-end module and has the same working frequency band as the wide-band cluster module; the method comprises the following steps:

detecting the downlink signal intensity of the broadband cluster;

6. The mode switching method of the wide-narrow dual-mode trunking terminal of claim 5,

the radio frequency front end module further comprises: the receiving splitter is respectively connected with the radio frequency duplexer, the broadband cluster module and the narrowband cluster module; the first power amplifier is connected with the broadband cluster module; the second power amplifier is connected with the narrow-band cluster module; the radio frequency switch is respectively connected with the radio frequency duplexer, the first power amplifier and the second power amplifier; the radio frequency switch is connected with the mode selection module, the first power amplifier is connected with the mode selection module, and the second power amplifier is connected with the mode selection module.

7. The mode switching method of the wide-narrow dual-mode trunking terminal of claim 5,

the determining the working mode of the wide-narrow dual-mode trunking terminal according to the downlink signal strength of the broadband trunking comprises the following steps:

8. The mode switching method of the wide-narrow dual-mode trunking terminal of claim 5, further comprising:

9. A mode switching device of a wide-narrow dual-mode trunking terminal is characterized by comprising a processor and a memory;

the memory stores an application program executable by the processor for causing the processor to execute the mode switching method of the wide and narrow dual mode trunking terminal as claimed in any one of claims 5 to 8.

10. A computer-readable storage medium, having stored therein computer-readable instructions for performing the mode switching method of the wide-narrow dual-mode trunking terminal of any of claims 5 to 8.