CN112566049B - Service channel distribution method and related device - Google Patents

Service channel distribution method and related device Download PDF

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Publication number
CN112566049B
CN112566049B CN202011398471.4A CN202011398471A CN112566049B CN 112566049 B CN112566049 B CN 112566049B CN 202011398471 A CN202011398471 A CN 202011398471A CN 112566049 B CN112566049 B CN 112566049B
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service
service channel
pdt
channel
base station
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CN112566049A (en
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汤丽
孙鹏飞
崔传斌
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Harbin Hytera Technology Corp ltd
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Harbin Hytera Technology Corp ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H04W4/08—User group management
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
    • G16Y30/00—IoT infrastructure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computing Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The application discloses a service channel allocation method and a related device, a PDT base station can preset a first type of service channel which supports both an Internet of things service and the PDT service, an Internet of things terminal can send a service channel allocation request to the PDT base station, the PDT base station can allocate a first service channel to the Internet of things terminal after receiving the service channel allocation request sent by the Internet of things terminal, the first service channel is one of the first type of service channel, and the Internet of things terminal can utilize the first service channel to process the Internet of things service, so that the service channel of the PDT base station is fully utilized, and the service channel utilization rate of the PDT base station is improved.

Description

Service channel distribution method and related device
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method for allocating a traffic channel and a related apparatus.
Background
In an existing PDT (policy digital reporting) base station, a plurality of traffic channels generally exist under a base station of a trunking system, and the traffic channels can only support PDT-specific services (e.g., voice, data services, etc.), and the traffic channels are only in a working state during the PDT-specific services, and in other cases, the traffic channels are in an idle state, which results in a low utilization rate of the traffic channels of the PDT base station.
The service channel in the existing PDT base station can be applied to the service of the Internet of things, and the utilization rate of the service channel in the PDT base station can be improved.
Disclosure of Invention
In view of the above, the present application is proposed to provide a traffic channel allocation method and related apparatus that overcome or at least partially solve the above problems. The specific scheme is as follows:
a method of traffic channel assignment, the method comprising:
the method comprises the steps that a digital trunking PDT base station receives a service channel allocation request sent by a first Internet of things terminal;
the PDT base station allocates a first service channel for the first Internet of things terminal, the first service channel is one of first type service channels, and the first type service channel is a service channel which is preset by the PDT base station and supports both the PDT service and the IOT service.
Optionally, the method further comprises:
the PDT base station receives a service channel allocation request sent by the PDT terminal;
judging whether a second type of service channel is available, wherein the second type of service channel is a service channel which is preset by the PDT base station and only supports PDT service;
if the second type of service channel is available, the PDT base station allocates a second service channel to the PDT terminal, wherein the second service channel is one of the second type of service channels;
and if the second type of traffic channel is unavailable, the PDT base station allocates a third traffic channel to the PDT terminal, wherein the third traffic channel is one of the first type of traffic channels.
Optionally, after the PDT base station allocates the first traffic channel to the internet of things terminal, the method further includes:
and the PDT base station broadcasts a first service channel allocation message on a control channel so that the Internet of things terminal jumps to the first service channel according to the first service channel allocation message, wherein the first service channel allocation message comprises the corresponding relation between the first service channel and the first Internet of things terminal.
Optionally, the method further comprises:
the PDT base station sends a message for indicating permission of the IOT service on the first service channel, so that the first IOT terminal judges whether the first service channel is available according to the message for indicating permission of the IOT service;
the message for indicating that the internet of things service is allowed comprises address information and mask information corresponding to the first service channel.
Optionally, the method further comprises:
the PDT base station sends a message for indicating the state of the first service channel on the first service channel, so that the first Internet of things terminal judges whether Internet of things service data can be sent through the first service channel according to the message for indicating the state of the first service channel;
the status of the first traffic channel includes a busy status and an idle status.
Optionally, when the third traffic channel is already allocated to a second networked terminal, and the internet of things traffic of the second networked terminal is processed, after the PDT base station allocates the third traffic channel to the PDT terminal, the method further includes:
and the PDT base station allocates a fourth service channel to the second networking terminal, wherein the fourth service channel is one of the first class of service channels except for the third service channel.
Optionally, after the PDT base station allocates a fourth traffic channel to the second networked terminal corresponding to the third traffic channel, the method further includes:
and the PDT base station broadcasts a second service channel allocation message on a control channel so that a second networking terminal corresponding to the third service channel is switched to the fourth service channel from the third service channel according to the second service channel allocation message, wherein the second service channel allocation message comprises the corresponding relation between the second networking terminal and the fourth service channel.
A traffic channel allocation apparatus applied to a PDT base station for digital trunking, said apparatus comprising:
the receiving unit is used for receiving a service channel allocation request sent by a first Internet of things terminal;
the distribution unit is used for distributing a first service channel to the first internet of things terminal, the first service channel is one of first type service channels, and the first type service channel is a service channel which is preset by the PDT base station and supports both the internet of things service and the PDT service.
A storage medium having stored thereon a program which, when executed by a processor, implements a traffic channel allocation method as described above.
A digital cluster PDT base station, comprising:
a processor and a memory;
wherein the processor is configured to execute a program stored in the memory;
the memory is for storing a program for at least:
receiving a service channel allocation request sent by a first Internet of things terminal;
and allocating a first service channel to the first internet of things terminal, wherein the first service channel is one of first type service channels, and the first type service channel is a service channel which is preset by the PDT base station and supports both the PDT service and the IOT service.
By means of the technical scheme, the application discloses a service channel allocation method and a related device, a PDT base station can preset a first type of service channel which supports both an Internet of things service and a PDT service, an Internet of things terminal can send a service channel allocation request to the PDT base station, and the PDT base station can allocate a first service channel to the Internet of things terminal after receiving the service channel allocation request sent by the Internet of things terminal, wherein the first service channel is one of the first type of service channel, and the Internet of things terminal can utilize the first service channel to process the Internet of things service, so that the service channel of the PDT base station is fully utilized, and the service channel utilization rate of the PDT base station is improved.
The foregoing description is only an overview of the technical solutions of the present application, and the present application can be implemented according to the content of the description in order to make the technical means of the present application more clearly understood, and the following detailed description of the present application is given in order to make the above and other objects, features, and advantages of the present application more clearly understandable.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic diagram of a traffic channel allocation system according to an embodiment of the present application;
fig. 2 is a schematic flowchart of a traffic channel allocation method according to an embodiment of the present application;
fig. 3 is a schematic flow chart of another traffic channel allocation method according to an embodiment of the present application;
fig. 4 is a schematic diagram illustrating an example of traffic channel allocation provided in an embodiment of the present application;
fig. 5 is a schematic diagram illustrating an example of traffic channel allocation provided in an embodiment of the present application;
fig. 6 is a schematic structural diagram of a traffic channel allocating apparatus according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a PDT base station according to an embodiment of the present application.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The following describes in detail specific implementations provided in embodiments of the present application.
Referring to fig. 1, fig. 1 is a schematic diagram of a traffic channel allocation system according to an embodiment of the present application, where the traffic channel allocation system includes a PDT base station, an internet of things terminal, and a PDT terminal. The PDT base station comprises a PDT base station, a PDT base station and a PDT system, wherein the traffic channels in the PDT base station are divided into two types in advance, the first type of traffic channel is a traffic channel which supports both the Internet of things service and the PDT service, and the second type of traffic channel is a traffic channel which only supports the PDT service. It should be noted that, besides supporting the internet-of-things service, the first type of traffic channel can also support the PDT service after the second type of traffic channel is occupied.
In the service channel allocation system, both the internet of things terminal and the PDT terminal can send service channel allocation requests to the PDT base station, and when the internet of things terminal sends the service channel allocation requests to the PDT base station, the PDT base station can allocate the service channels in the first type of service channels to the internet of things terminal. When PDT terminal sends service channel allocation request to PDT base station, PDT base station allocates second type service channel to PDT terminal preferentially, if second type service channel is occupied, first type service channel can be allocated to PDT terminal.
Referring to fig. 2, fig. 2 is a schematic flow chart of a traffic channel allocation method according to an embodiment of the present application, where the method is executed in the PDT base station shown in fig. 1, and the method includes the following steps:
step S101: and the PDT base station receives a service channel allocation request sent by the first Internet of things terminal.
In this application, the first internet of things terminal is any one of the internet of things terminals shown in fig. 1, and the first internet of things terminal may send a service channel allocation request to the PDT base station through a control channel of the PDT base station.
Step S102: the PDT base station allocates a first service channel for the first Internet of things terminal, the first service channel is one of first type service channels, and the first type service channel is a service channel which is preset by the PDT base station and supports both the PDT service and the IOT service.
In the application, after receiving a service channel allocation request sent by an internet of things terminal, the PDT base station may allocate a first service channel to a first internet of things terminal from preset first class service channels that support both an internet of things service and a PDT service. It should be noted that the first traffic channel may be any one of the traffic channels not allocated to the PDT terminal in the first traffic channel, and preferably, may be a traffic channel with a smaller load in the traffic channels not allocated to the PDT terminal in the first traffic channel.
The embodiment discloses a service channel allocation method and a related device, wherein a PDT base station can preset a first type of service channel which supports both an IOT service and a PDT service, an IOT terminal can send a service channel allocation request to the PDT base station, the PDT base station can allocate the first service channel to the IOT terminal after receiving the service channel allocation request sent by the IOT terminal, the first service channel is one of the first type of service channels, and the IOT terminal can utilize the first service channel to process the IOT service, so that the service channel of the PDT base station is fully utilized, and the service channel utilization rate of the PDT base station is improved.
In another embodiment of the application, after the PDT base station allocates the first traffic channel to the first internet of things terminal, the PDT base station may generate a traffic channel allocation message, where the traffic channel allocation message includes a correspondence between the first internet of things terminal and the first traffic channel, and the PDT base station broadcasts the traffic channel allocation message through a control channel, and the first internet of things terminal monitors the control channel of the PDT base station, so as to obtain the traffic channel allocation message, obtain the first traffic channel corresponding to the first internet of things terminal from the traffic channel, and jump to the first traffic channel, so as to process the internet of things service through the first traffic channel.
In another embodiment of the application, the PDT base station sends a message indicating that internet of things services are allowed on the first traffic channel, so that the first internet of things terminal determines whether the first traffic channel is available according to the message indicating that internet of things services are allowed; the message for indicating that the internet of things service is allowed comprises address information and mask information corresponding to the first service channel.
It should be noted that the message indicating that the service of the internet of things is allowed may be an ALOHA message.
The first internet of things terminal can judge whether the first service channel has a message for indicating that the internet of things service is allowed; if the message for indicating the permission of the Internet of things service is not available in the first service channel within the preset time, determining that the first service channel is unavailable; if the first service channel has a message for indicating that the service of the internet of things is allowed within a preset time length, judging whether address information and mask information contained in the message for indicating that the service of the internet of things is allowed are matched with the address information and mask information of the first service channel, and if the address information and mask information are not matched, determining that the first service channel is unavailable; if so, determining that the first traffic channel is available.
After the first service channel is determined to be available, the first internet of things terminal can process the internet of things service by using the first service channel.
As an implementation manner for processing an internet of things service based on a first service channel, whether a pull-up service message containing a self-address of a first internet of things terminal sent by the PDT base station is received or not can be judged; and if a pull-up service message containing the address of the first internet of things terminal sent by the PDT base station is received, the first internet of things terminal sends service data corresponding to the pull-up service message to the PDT base station based on the first service channel.
In another embodiment of the present application, the PDT base station sends a message indicating the status of the first traffic channel on the first traffic channel, so that the first internet of things terminal determines whether internet of things service data can be sent through the first traffic channel according to the message indicating the status of the first traffic channel; the status of the first traffic channel includes a busy status and an idle status.
It should be noted that the message for indicating the state of the first traffic channel may be a cach.at message, and the AT field in the cach.at message indicates whether the state of the first traffic channel is a busy state or an idle state.
As another implementation manner for processing the service of the internet of things based on the first service channel, when the first service channel state is determined to be the idle state, the first internet of things terminal sends the service data of the internet of things to the PDT base station based on the first service channel.
It should be further noted that, after the sending of the internet of things service data to the PDT base station based on the first traffic channel, the method further includes: judging whether a response message sent by the PDT base station is received within a preset time length; if not, judging whether the current retransmission times reach a preset threshold value, if not, retransmitting the service data of the internet of things to the PDT base station based on the first service channel when the first service channel is idle, and updating the current retransmission times. Wherein, updating the current retransmission times adds 1 to the current retransmission times.
Referring to fig. 3, fig. 3 is a schematic flow chart of another traffic channel allocation method provided in an embodiment of the present application, where the method is executed in the PDT base station shown in fig. 1, and the method includes the following steps:
step S201: and the PDT base station receives a service channel allocation request sent by the PDT terminal.
In the application, the PDT terminal can send a service channel allocation request to the PDT base station through a control channel of the PDT base station.
Step S202: judging whether a second type of service channel is available, if the second type of service channel is available, executing step S203; if the second type traffic channel is not available, step S204 is executed.
In this application, the second type of traffic channel is a traffic channel preset by the PDT base station and supporting only PDT services. The specific way of determining whether the second type of traffic channel is available may be to determine whether the second type of traffic channel is occupied.
Step S203: and the PDT base station allocates a second service channel to the PDT terminal, wherein the second service channel is one of the second type of service channels.
Step S204: and the PDT base station allocates a third traffic channel for the PDT terminal, wherein the third traffic channel is one of the first traffic channels.
It should be noted that, when the third traffic channel is already allocated to a second networked terminal and the internet of things traffic of the second networked terminal is processed, after the PDT base station allocates the third traffic channel to the PDT terminal, the method further includes: and the PDT base station allocates a fourth service channel to the second networking terminal, wherein the fourth service channel is one of the first class of service channels except for the third service channel. After the PDT base station allocates a fourth service channel to a second networking terminal corresponding to the third service channel, the PDT base station broadcasts a second service channel allocation message on a control channel, wherein the second service channel allocation message comprises the corresponding relation between the second networking terminal and the fourth service channel. In this case, the second networking terminal corresponding to the third traffic channel may detect that PDT traffic data exists in the third traffic channel, and further determine that the first traffic channel is unavailable, and the second networking terminal corresponding to the third traffic channel re-monitors the control channel of the PDT base station to obtain a second traffic channel assignment message, and switches from the third traffic channel to the fourth traffic channel according to the second traffic channel assignment message.
Based on the above embodiments, the present application provides an example of service channel allocation, which specifically includes:
for a PDT base station containing 8 carrier frequencies, 1 control channel and 1 auxiliary control channel occupy f1 frequency points, 14 channels corresponding to frequency points f 2-f 8 are service channels, and if the service channels corresponding to the frequency points f 6-f 8 can support networking services, the service channels corresponding to the frequency points f 2-f 5 can not support networking services.
The terminals of the internet of things have four groups, namely Group1, Group2, Group3 and Group4, and monitor the GRANT message on a control channel of the PDT base station and confirm the service channel allocated by the terminals at the moment; it is assumed that Group1, Group2, Group3, and Group4 are respectively allocated to the channels as shown in fig. 4.
After the slot1 of the frequency point f7 is assumed to be preempted by the PDT voice service, if there is an idle channel available for the service of the internet of things, the GRANT message of the control channel is changed, and then the Group3 is coordinated to other idle channels available for the service of the internet of things; if there are no other available free channels, the GRANT message of the control channel is changed, and Group3 is also allocated to the slot1 channel of the frequency point f8, as shown in fig. 5.
Referring to fig. 6, fig. 6 is a schematic structural diagram of a traffic channel assignment device according to an embodiment of the present application, which is applied in the PDT base station shown in fig. 1, and the device includes the following units:
a receiving unit 11, configured to receive a service channel allocation request sent by a first internet of things terminal;
an allocating unit 12, configured to allocate a first traffic channel to the first internet of things terminal, where the first traffic channel is one of first traffic channels, and the first traffic channel is a traffic channel that supports both the internet of things service and the PDT service and is preset in the PDT base station.
It should be noted that for the specific function implementation of each unit, reference is made to the relevant description of the method embodiment, and details are not described again in this embodiment.
The traffic channel allocation device comprises a processor and a memory, wherein the units are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. The kernel can set one or more than one, and the distribution of the traffic channels is realized by adjusting kernel parameters.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
An embodiment of the present application provides a storage medium, on which a program is stored, which when executed by a processor implements the traffic channel allocation method.
The embodiment of the application provides a processor, wherein the processor is used for running a program, and the program executes the traffic channel allocation method during running.
In another aspect, the present application further provides a PDT base station, as shown in fig. 7, which shows a schematic structural diagram of a PDT base station of the present application, and the PDT base station 1100 of the present embodiment may include: a processor 1101 and a memory 1102.
Optionally, the PDT base station may further comprise a communication interface 1103, an input unit 1104 and a display 1105 and a communication bus 1106.
The processor 1101, the memory 1102, the communication interface 1103, the input unit 1104, and the display 1105 all communicate with each other via a communication bus 1106.
In this embodiment, the processor 1101 may be a Central Processing Unit (CPU), an application specific integrated circuit, a digital signal processor, an off-the-shelf programmable gate array or other programmable logic device.
The processor may call a program stored in the memory 1102. In particular, the processor may perform the operations performed by the PDT base station in embodiments of the traffic channel assignment method.
The memory 1102 is used for storing one or more programs, which may include program codes including computer operation instructions, and in this embodiment, the memory stores at least the programs for implementing the following functions:
receiving a service channel allocation request sent by a first Internet of things terminal;
and allocating a first service channel to the first internet of things terminal, wherein the first service channel is one of first type service channels, and the first type service channel is a service channel which is preset by the PDT base station and supports both the PDT service and the IOT service.
In one possible implementation, the memory 1102 may include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (such as an image playing function, etc.), and the like; the storage data area may store data created during use of the computer, such as user data, user access data, as well as audio, video, image data, and the like.
Further, the memory 1102 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device or other volatile solid-state storage device.
The communication interface 1103 may be an interface of a communication module, such as an interface of a GSM module.
The present application may also include a display 1104 and an input unit 1105, and the like.
Of course, the structure of the PDT base station shown in fig. 7 does not constitute a limitation of the PDT base station in the embodiment of the present application, and the PDT base station may include more or less components than those shown in fig. 7 in practical applications, or some components may be combined.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). The memory is an example of a computer-readable medium.
Computer-readable media, including both permanent and non-permanent, removable and non-removable media, may implement the information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and so forth) having computer-usable program code embodied therein.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art to which the present application pertains. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (9)

1. A method for traffic channel assignment, the method comprising:
receiving a service channel allocation request sent by a first Internet of things terminal by a police digital trunking PDT base station;
the PDT base station allocates a first service channel to the first Internet of things terminal, the first service channel is one of first-class service channels, the first-class service channel is a service channel which is preset by the PDT base station and supports both the Internet of things service and the PDT service, and the first service channel is a service channel with the minimum load in the service channels which are not allocated to the PDT terminal in the first-class service channels;
the PDT base station receives a service channel allocation request sent by the PDT terminal;
judging whether a second type of service channel is available, wherein the second type of service channel is a service channel which is preset by the PDT base station and only supports PDT service;
if the second type of service channel is available, the PDT base station allocates a second service channel to the PDT terminal, wherein the second service channel is one of the second type of service channels;
if the second type of traffic channel is unavailable, the PDT base station allocates a third traffic channel to the PDT terminal, wherein the third traffic channel is one of the first type of traffic channels;
the PDT base station can reallocate a service channel to the first Internet of things terminal or the PDT terminal.
2. The method as claimed in claim 1, wherein after said PDT base station allocates a first traffic channel for said terminal of the internet of things, the method further comprises:
and the PDT base station broadcasts a first service channel allocation message on a control channel so that the Internet of things terminal jumps to the first service channel according to the first service channel allocation message, wherein the first service channel allocation message comprises the corresponding relation between the first service channel and the first Internet of things terminal.
3. The method of claim 2, further comprising:
the PDT base station sends a message for indicating permission of the IOT service on the first service channel, so that the first IOT terminal judges whether the first service channel is available according to the message for indicating permission of the IOT service;
the message for indicating that the internet of things service is allowed comprises address information and mask information corresponding to the first service channel.
4. The method of claim 3, further comprising:
the PDT base station sends a message for indicating the state of the first service channel on the first service channel, so that the first Internet of things terminal judges whether Internet of things service data can be sent through the first service channel according to the message for indicating the state of the first service channel;
the status of the first traffic channel includes a busy status and an idle status.
5. The method as claimed in claim 1, wherein when the third traffic channel has been allocated to a second networked terminal, processing the internet of things traffic of the second networked terminal, after the PDT base station allocates a third traffic channel to the PDT terminal, the method further comprises:
and the PDT base station allocates a fourth service channel to the second networking terminal, wherein the fourth service channel is one of the first class of service channels except for the third service channel.
6. The method as claimed in claim 5, wherein after said PDT base station allocates a fourth traffic channel to a second networked terminal corresponding to said third traffic channel, said method further comprises:
and the PDT base station broadcasts a second service channel allocation message on a control channel so that a second networking terminal corresponding to the third service channel is switched to the fourth service channel from the third service channel according to the second service channel allocation message, wherein the second service channel allocation message comprises the corresponding relation between the second networking terminal and the fourth service channel.
7. A traffic channel allocation apparatus, applied to a police digital trunking PDT base station, the apparatus comprising:
the receiving unit is used for receiving a service channel allocation request sent by a first Internet of things terminal;
the PDT base station comprises an allocation unit and a control unit, wherein the allocation unit is used for allocating a first service channel to the first Internet of things terminal, the first service channel is one of first type service channels, the first type service channel is a service channel which is preset by the PDT base station and supports both the PDT service and the POE service, and the first service channel is a service channel with the minimum load in the service channels which are not allocated to the PDT terminal in the first type service channels;
the distribution unit is also used for the PDT base station to receive a service channel distribution request sent by the PDT terminal; judging whether a second type of service channel is available, wherein the second type of service channel is a service channel which is preset by the PDT base station and only supports PDT service; if the second type of service channel is available, the PDT base station allocates a second service channel to the PDT terminal, wherein the second service channel is one of the second type of service channels; if the second type of traffic channel is unavailable, the PDT base station allocates a third traffic channel to the PDT terminal, wherein the third traffic channel is one of the first type of traffic channels; the PDT base station can reallocate a service channel to the first Internet of things terminal or the PDT terminal.
8. A storage medium having stored thereon a program which, when executed by a processor, implements the traffic channel allocation method according to any one of claims 1 to 6.
9. A police digital trunking PDT base station, comprising:
a processor and a memory;
wherein the processor is configured to execute a program stored in the memory;
the memory is to store a program to at least:
receiving a service channel allocation request sent by a first Internet of things terminal;
allocating a first service channel to the first internet of things terminal, wherein the first service channel is one of first type service channels, and the first type service channel is a service channel which is preset by the PDT base station and supports both the internet of things service and the PDT service, and the first service channel is a service channel with the minimum load in the service channels which are not allocated to the PDT terminal in the first type service channels;
the PDT base station receives a service channel allocation request sent by the PDT terminal;
judging whether a second type of service channel is available, wherein the second type of service channel is a service channel which is preset by the PDT base station and only supports PDT service;
if the second type of service channel is available, the PDT base station allocates a second service channel to the PDT terminal, wherein the second service channel is one of the second type of service channels;
if the second type of service channel is unavailable, the PDT base station allocates a third service channel to the PDT terminal, wherein the third service channel is one of the first type of service channels;
the PDT base station can reallocate a service channel to the first Internet of things terminal or the PDT terminal.
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