WO2017054152A1 - 半双工通信方法、终端及发射台 - Google Patents

半双工通信方法、终端及发射台 Download PDF

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Publication number
WO2017054152A1
WO2017054152A1 PCT/CN2015/091171 CN2015091171W WO2017054152A1 WO 2017054152 A1 WO2017054152 A1 WO 2017054152A1 CN 2015091171 W CN2015091171 W CN 2015091171W WO 2017054152 A1 WO2017054152 A1 WO 2017054152A1
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WIPO (PCT)
Prior art keywords
terminal
channel
data
data channel
transmitting station
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Ceased
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PCT/CN2015/091171
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English (en)
French (fr)
Inventor
吴国稳
张颖哲
谢汉雄
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Hytera Communications Corp Ltd
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Hytera Communications Corp Ltd
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Publication date
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Priority to PCT/CN2015/091171 priority Critical patent/WO2017054152A1/zh
Publication of WO2017054152A1 publication Critical patent/WO2017054152A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/16—Half-duplex systems; Simplex/duplex switching; Transmission of break signals non-automatically inverting the direction of transmission

Definitions

  • the present invention relates to the field of wireless communications, and in particular, to a half duplex communication method, a terminal, and a transmitting station.
  • the half-duplex communication mode is adopted to implement the voice group call service.
  • the system can only send a small amount of information to the speaker in one direction through reverse signaling.
  • the private network communication system cannot accurately obtain the working state of the terminal. Therefore, in the communication process, when the system sends instructions or data to the terminal, it can only pass the polling mode. After the terminal is pulled, data can be sent to the terminal, so the system cannot maintain uninterrupted communication with the terminal, and cannot realize uninterrupted flexible data service communication.
  • the embodiment of the invention provides a half-duplex communication method, a terminal and a transmitting station, which can maintain uninterrupted data communication in a half-duplex private network communication system.
  • an embodiment of the present invention provides a half duplex communication method, including:
  • the terminal receives a channel allocation instruction sent by the transmitting station, the channel allocation instruction is used to indicate a half-duplex voice channel and a data channel allocated to the terminal; the terminal performs a half-duplex voice call through the half-duplex voice channel; the terminal transmits the data channel to the transmitting station Sending the first application data and the terminal identifier of the terminal, the terminal identifier is used to enable the transmitting station to associate the data channel with the terminal; and the terminal receives the second application data sent by the transmitting station through the data channel.
  • the half-duplex voice channel and the data channel are located in different time slots.
  • the first application data includes GPS location information, where the GPS location information is used to indicate the geographic location of the terminal position.
  • an embodiment of the present invention provides a half duplex communication method, including:
  • the transmitting station sends a channel allocation instruction to the terminal, the channel allocation instruction is used to indicate the half-duplex voice channel and the first data channel allocated to the terminal, and the half-duplex voice channel is used for the terminal to perform the half-duplex voice call, and the first data channel is used.
  • Transmitting and receiving application data at the terminal the transmitting station receiving the first application data sent by the terminal through the first data channel and the terminal identifier of the terminal; associating the first data channel with the terminal according to the terminal identifier; sending the first data channel to the terminal by using the first data channel Second application data.
  • the transmitting station sends a channel allocation instruction to the terminal, where the transmitting station sends a channel allocation instruction to the terminal by using the second data channel;
  • the method includes: when the half duplex voice call of the terminal ends, the transmitting station switches the first data channel back to the second data channel.
  • the half-duplex voice channel and the first data channel are located in different time slots.
  • the first application data includes GPS location information, where the GPS location information is used to indicate that the terminal is located Geographic location.
  • an embodiment of the present invention provides a half duplex communication terminal, including:
  • a receiving unit configured to receive a channel allocation instruction sent by the transmitting station, the channel allocation instruction is used to indicate a half-duplex voice channel and a data channel allocated to the terminal, and the communication unit is configured to perform a half-duplex voice call through the half-duplex voice channel
  • a sending unit configured to send, by using a data channel, the first application data and the terminal identifier to the transmitting station, where the terminal identifier is configured to enable the transmitting station to associate the data channel with the terminal, and send the second application data to the terminal by using the data channel; And for receiving second application data sent by the transmitting station through the data channel.
  • the receiving unit is configured to receive a channel allocation instruction sent by the transmitting station, where the channel allocation instruction is used to indicate a half-duplex voice channel allocated to the terminal
  • the data channel, half-duplex voice channel and data channel are located in different time slots.
  • the sending unit is configured to send, by using a data channel, the first application data to the transmitting station and a terminal identifier, where the terminal identifier is used to enable the transmitting station to determine a data channel corresponding to the terminal, and send the second application data to the terminal through the data channel;
  • the first application data includes GPS location information, and the GPS The location information is used to indicate the geographic location where the terminal is located.
  • an embodiment of the present invention provides a transmitting station, including:
  • a sending unit configured to send a channel allocation instruction to the terminal, the channel allocation instruction is used to indicate a half-duplex voice channel and a first data channel allocated to the terminal, and the half-duplex voice channel is used for the terminal to perform a half-duplex voice call, first
  • the data channel is used by the terminal to send and receive application data;
  • the receiving unit is configured to receive the first application data sent by the terminal through the first data channel and the terminal identifier of the terminal; and the processing unit is configured to: use the first data channel and the terminal according to the terminal identifier
  • the sending unit is further configured to send the second application data to the terminal by using the first data channel.
  • the sending unit is configured to send a channel allocation instruction to the terminal by using the second data channel
  • the transmitting station further includes: a switching unit, configured to be used by the terminal At the end of the half-duplex voice call, the first data channel is switched back to the second data channel.
  • the sending unit is configured to send a channel allocation instruction to the terminal, where the channel allocation instruction is used Indicates a half-duplex voice channel and a first data channel allocated to the terminal, the half-duplex voice channel is used for the terminal to perform a half-duplex voice call, the first data channel is used for the terminal to transmit and receive application data, and the half-duplex voice channel and The first data channel is located in a different time slot.
  • the receiving unit is configured to receive, by the receiving terminal, the first application that is sent by using the first data channel Data and terminal identification of the terminal; the first application data includes GPS location information, and the GPS location information is used to indicate the geographic location where the terminal is located.
  • an embodiment of the present invention provides a half duplex communication terminal, including:
  • a receiver a processor, and a transmitter
  • the receiver is configured to receive a channel allocation instruction sent by the transmitting station, where the channel allocation instruction is used to indicate a half-duplex voice channel and a data channel allocated to the terminal;
  • a transmitter configured to send, by using a data channel, the first application data and the terminal identifier to the transmitting station, where the terminal identifier is configured to enable the transmitting station to associate the data channel with the terminal, and send the second application data to the terminal by using the data channel;
  • the receiver is further configured to receive second application data that is sent by the transmitting station through the data channel.
  • an embodiment of the present invention provides a transmitting station, including:
  • a receiver a processor, and a transmitter
  • the transmitter is configured to send a channel allocation instruction to the terminal, the channel allocation instruction is used to indicate a half-duplex voice channel and a first data channel allocated to the terminal, and the half-duplex voice channel is used for the terminal to perform a half-duplex voice call.
  • the first data channel is used by the terminal to send and receive application data;
  • a receiver configured to receive first application data sent by the terminal by using the first data channel, and a terminal identifier of the terminal;
  • a processor configured to associate the first data channel with the terminal according to the terminal identifier
  • the transmitter is further configured to send the second application data to the terminal by using the first data channel.
  • the terminal receives a channel allocation instruction sent by the transmitting station, where the channel allocation instruction is used to indicate a half-duplex voice channel and a data channel allocated to the terminal, and the terminal performs a half-duplex voice call through the half-duplex voice channel. And transmitting, by the data channel, the first application data and the terminal identifier of the terminal, where the terminal identifier is used to enable the transmitting station to associate the data channel with the terminal, and the terminal sends the second application data by using the data channel receiving system.
  • the transmitting station Because the terminal sends its own terminal identifier to the transmitting station, the transmitting station associates the data channel with the terminal, and subsequently can send data to the terminal through the data channel, so that the half-duplex private network communication system can be maintained. Intermittent data communication.
  • FIG. 1 is a flow chart of a half duplex communication method according to an embodiment of the present invention.
  • FIG. 2 is another flowchart of a half duplex communication method according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of functional modules of a half-duplex communication terminal according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of functional modules of a transmitting station according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of hardware of a half-duplex communication terminal according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of hardware of a transmitting station according to an embodiment of the present invention.
  • Embodiments of the present invention provide a half-duplex communication method, a terminal, and a transmitting station for maintaining uninterrupted data communication in a half-duplex private network communication system. The details are described below separately.
  • the embodiments of the present invention can be applied to various half-duplex private network communication standards, including: Digital Mobile Radio (DMR), Professional Digital Trunking (PDT), and Trans European Radio (Trans European).
  • DMR Digital Mobile Radio
  • PDT Professional Digital Trunking
  • Trans European Radio Trans European
  • the half-duplex private network communication standard such as the Trunked Radio (TETRA)
  • TETRA Trunked Radio
  • the embodiment of the present invention includes two network elements: a half-duplex transmitting station and a half-duplex communication terminal, wherein the half-duplex transmitting station can be a cluster system device such as a digital transmitting cluster base station or a digital professional cluster, and the half-duplex communication terminal can be For digital walkie-talkies, digital radio stations and other intercom equipment.
  • the half-duplex transmitting station can be a cluster system device such as a digital transmitting cluster base station or a digital professional cluster
  • the half-duplex communication terminal can be For digital walkie-talkies, digital radio stations and other intercom equipment.
  • an embodiment of the present invention provides a method for transmitting positioning information, including:
  • the terminal receives a channel allocation instruction sent by the transmitting station.
  • the transmitting station when establishing a half-duplex voice call (including a single call or a group call), sends a channel allocation instruction to the terminal that establishes the voice call through the control channel (which may also be referred to as the original data channel).
  • the channel allocation instruction includes half-duplex voice channel information and data channel information allocated to the terminal, wherein the half-duplex voice channel is used to enable the terminal to establish a half-duplex voice call, and the data channel is used to transmit data to the terminal. Used, the transmitted data includes application data and control signaling.
  • the data channel indicated in the channel allocation instruction may be the same channel as the control channel (also referred to as a data channel) used when the original transmitting station transmits the channel allocation instruction. Depending on whether the control channel can be idle to carry the transmission of other data.
  • the terminal performs a half-duplex voice call through a half-duplex voice channel.
  • the terminal After receiving the channel allocation instruction, the terminal establishes a half-duplex voice call through the half-duplex voice channel indicated by the channel allocation instruction.
  • the terminal sends, by using a data channel, the first application data and the terminal identifier of the terminal to the transmitting station.
  • the terminal After receiving the channel allocation instruction, the terminal sends the application data through the data channel indicated by the channel allocation instruction, and the application data is referred to as the first application data. In addition, the terminal further sends an instruction to the transmitting station through the data channel, where the command includes
  • the terminal identifier of the terminal and the identifier of the terminal may be a terminal ID, or a mobile subscriber identifier of the terminal, and is not limited herein.
  • the transmitting station After receiving the terminal identifier sent by the terminal, the transmitting station updates the data channel to the data channel of the terminal according to the terminal identifier, that is, the data channel is associated with the terminal, so that the subsequent transmitting station can continue to correspond to the data channel.
  • the terminal sends data, and the data sent here is referred to as second application data.
  • the first application data and the terminal identifier sent by the terminal to the transmitting station through the data channel may be simultaneously transmitted, or may be sent at different times, and may be sent through the data channel first.
  • the application data is sent.
  • the specific sequence is not limited here.
  • the terminal receives second application data that is sent by using a data channel.
  • the transmitting station After the transmitting station sends the second application data through the data channel, the second application data sent by the transmitting station is received through the data channel.
  • the transmitting station may also send an instruction through the data channel associated with the terminal.
  • the terminal receives a channel allocation instruction sent by the transmitting station, where the channel allocation instruction is used to indicate a half-duplex voice channel and a data channel allocated to the terminal, and the terminal performs a half-duplex voice call through the half-duplex voice channel.
  • the first application data and the terminal identifier of the terminal are sent to the transmitting station through the data channel, where the terminal identifier is used to enable the transmitting station to associate the data channel with the terminal, and send the second application data to the terminal through the data channel.
  • the transmitting station Because the terminal sends its own terminal identifier to the transmitting station, the transmitting station associates the data channel with the terminal, and subsequently can send data to the terminal through the data channel, so that the half-duplex private network communication system can be maintained. Intermittent data communication.
  • the allocated half-duplex voice channel and the data channel received by the terminal are located in different time slots of the same carrier frequency, or different time slots of different carrier frequencies, so that the data channel can be made. It can be time-multiplexed for other terminals, so that one data channel can be used for one or more half-duplex voice calls, thereby improving the channel usage efficiency.
  • the first application data sent by the terminal to the transmitting station includes GPS location information, where the GPS location information is used to indicate a geographic location where the terminal is located.
  • the first application data transmitted by the transmitting station includes not only GPS location information, but also other application data such as moving speed.
  • the transmitting station may return the data channel to the original data channel, or may stay on the data channel and continue to use the data channel.
  • the use of the data channel is not specifically limited.
  • the channel allocation signaling includes the 0-slot voice channel Ch1 on the carrier frequency F1 for the half-duplex voice call and is used in the call.
  • the mobile station (MS) of the group number Group1 includes MS1, MS2, MS3, MS4, and MS5. After receiving the channel allocation signaling, they switch to the voice channel Ch1 for half-duplex voice call at time slot 0. And switching to the data channel ch2 in one time slot to send GPS location information to the system in a random access manner, and carrying the respective terminal identification code in the data signaling.
  • the system After receiving the GPS location information of the terminals MS1, MS2, MS3, MS4, and MS5 on the data channel ch2, the system parses the transmission terminal identification code through the received data signaling, and updates the data channel ch2 to MS1, MS2, MS3, and MS4.
  • the channel allocation signaling includes a zero-slot voice channel Ch3 on the carrier frequency F3 for the half-duplex voice call and an uninterrupted data communication for the call.
  • the member terminals MS6, MS7, MS8, MS9, and MS10 of the group number Group 2 switch to the voice channel Ch3 for the half-duplex voice call in the 0 slot, and cut in the 1 slot.
  • Switching to the data channel ch2 sends GPS location information to the system in a random access manner, and carries the respective terminal identification codes in the data signaling.
  • the system After receiving the GPS location information of the terminals MS6, MS7, MS8, MS9, and MS10 on the data channel ch2, the system parses the transmission terminal identification code through the received data signaling, and updates the data channel ch2 to MS6, MS7, MS8, and MS9.
  • the data communication channel of the MS 10 and subsequently transmits data and signaling to the MS6, MS7, MS8, MS9, and MS10 through the channel.
  • the system After the half-duplex voice group call corresponding to the group call number Group1 ends, the system returns the data communication channel corresponding to MS1, MS2, MS3, MS4, and MS5 to the original control channel.
  • the system After the half-duplex voice group call corresponding to the group call group Group2 ends, the system returns the data communication channel corresponding to the MS6, MS7, MS8, MS9, and MS10 to the original control channel.
  • the method for half-duplex data communication in the embodiment of the present invention includes:
  • the transmitting station sends a channel allocation instruction to the terminal.
  • the transmitting station when establishing a half-duplex voice call (including a single call or a group call), allocates an instruction to the terminal that establishes the voice call, and the channel allocation instruction includes a half-duplex voice channel allocated to the terminal.
  • Information and first data channel information wherein the half-duplex voice channel is used to enable the terminal to establish a half-duplex voice call, and the first data channel is used to transmit data to the terminal, and the transmitted data includes application data and control signaling. .
  • the first data channel indicated in the channel allocation instruction may be the same channel as the control channel (also referred to as the first data channel) used when the original transmitting station transmits the channel allocation instruction, depending on the control. Whether the channel can be idle to carry the transmission of other data.
  • the terminal After receiving the channel allocation instruction, the terminal establishes a half-duplex voice call through the half-duplex voice channel indicated by the channel allocation instruction.
  • the transmitting station receives the first application data sent by the terminal by using the first data channel, and the terminal identifier of the terminal.
  • the terminal After receiving the channel allocation instruction, the terminal sends the application data by using the first data channel indicated by the channel allocation instruction, and the application data is referred to as the first application data. In addition, the terminal further sends an instruction to the transmitting station by using the first data channel.
  • the instruction includes a terminal identifier of the terminal, and the identifier of the terminal may be It is a terminal ID, and may also be a mobile subscriber identification code of the terminal, and is not limited herein.
  • the transmitting station receives the terminal identifier of the first application data and the terminal.
  • the transmitting station associates the first data channel with the terminal according to the terminal identifier.
  • the transmitting station After receiving the terminal identifier of the first application data, the transmitting station updates the first data channel to the first data channel of the terminal according to the terminal identifier, that is, the first data channel is associated with the terminal. It should be noted that, after receiving the channel allocation instruction, the first application data and the terminal identifier sent by the terminal to the transmitting station through the first data channel may be simultaneously transmitted, or may be sent at different times, so the transmitting station The terminal identifier may be received through the first data channel. After the transmitting station associates the first data channel with the terminal, the application data is sent. The specific sequence is not limited herein.
  • the transmitting station sends the second application data to the terminal by using the first data channel.
  • the subsequent transmitting station may continue to send data to the corresponding terminal through the first data channel, and the data sent here is referred to as second application data.
  • the transmitting station adds the first data channel information in the half-duplex voice channel allocation signaling, so that the data can be transmitted, and because the terminal sends its own terminal identifier to the transmitting station, the transmitting station uses the first data.
  • the channel is associated with the terminal, and data can be subsequently transmitted to the terminal through the first data channel, thereby enabling uninterrupted data communication in the half-duplex private network communication system.
  • the transmitting station transmits the channel allocation instruction to the terminal by using a first data channel (also referred to as a control channel), when the half duplex voice call of the terminal ends, The transmitting station then switches the first data channel back to the original second data channel.
  • a first data channel also referred to as a control channel
  • the transmitting station may also stay on the first data channel and continue to use the first data channel. Specifically, after the call ends, the use of the first data channel is not performed. Specifically limited.
  • the half-duplex voice channel allocated by the transmitting station to the terminal and the first data channel are located in different time slots of the same carrier frequency, or different time slots of different carrier frequencies, thereby enabling The first data channel can be time-multiplexed for other terminals, so that one first data channel can be used for one or more half-duplex voice calls, thereby improving channel usage efficiency.
  • the first application data packet sent by the terminal to the transmitting station The GPS location information is used to indicate the geographic location where the terminal is located.
  • the first application data transmitted by the transmitting station includes not only GPS location information, but also other application data such as moving speed.
  • the half duplex communication terminal 3 in the embodiment of the present invention includes:
  • the receiving unit 301 is configured to receive a channel allocation instruction sent by the transmitting station, where the channel allocation instruction is used to indicate a half-duplex voice channel and a data channel allocated to the terminal;
  • the communication unit 302 is configured to perform a half-duplex voice call through a half-duplex voice channel
  • the sending unit 303 is configured to send, by using a data channel, the first application data and the terminal identifier to the transmitting station, where the terminal identifier is used to enable the transmitting station to associate the data channel with the terminal;
  • the receiving unit 301 is further configured to receive second application data that is sent by using a data channel.
  • the receiving unit 301 receives a channel allocation instruction sent by the transmitting station, where the channel allocation instruction is used to indicate a half-duplex voice channel and a data channel allocated to the terminal, and the communication unit 302 performs a half-double through the half-duplex voice channel.
  • the sending unit 303 sends the first application data and the terminal identifier of the terminal to the transmitting station through the data channel, where the terminal identifier is used to enable the transmitting station to associate the data channel with the terminal, and send the second application data to the terminal through the data channel.
  • the transmitting station Because the sending unit 303 sends its own terminal identifier to the transmitting station, the transmitting station associates the data channel with the terminal, and subsequently can send data to the terminal through the data channel, thereby being able to maintain the half-duplex private network communication system. Uninterrupted data communication.
  • the receiving unit 301 is specifically configured to receive a channel allocation instruction sent by the transmitting station, where the channel allocation instruction is used to indicate a half-duplex voice channel and a data channel, a half-duplex voice channel, and data allocated to the terminal.
  • the channels are located in different time slots.
  • the sending unit 302 is specifically configured to send, by using a data channel, the first application data and the terminal identifier to the transmitting station, where the terminal identifier is used to enable the transmitting station to determine the number corresponding to the terminal.
  • the first application data includes GPS location information, and the GPS location information is used to indicate the geographic location where the terminal is located.
  • the half-duplex transmitting station 4 in the embodiment of the present invention includes:
  • the sending unit 401 is configured to send a channel allocation instruction to the terminal, where the channel allocation instruction is used to indicate a half-duplex voice channel and a data channel allocated to the terminal, and the half-duplex voice channel is used for the terminal to perform a half-duplex voice call, and the data channel is used. Sending and receiving application data at the terminal;
  • the receiving unit 402 is configured to receive first application data that is sent by the terminal through the data channel, and a terminal identifier of the terminal;
  • the processing unit 403 is configured to associate the data channel with the terminal according to the terminal identifier
  • the sending unit 401 is further configured to send the second application data to the terminal by using a data channel.
  • the transmitting station 4 adds data channel information in the half-duplex voice channel allocation signaling, so that the data can be transmitted, and because the receiving unit 402 receives the terminal identifier sent by the terminal, the processing unit 403 uses the data channel with The terminal performs association, and the subsequent transmitting unit 401 can transmit data to the terminal through the data channel, thereby enabling uninterrupted data communication in the half-duplex private network communication system.
  • the sending unit 401 is specifically configured to send a channel allocation instruction to the terminal by using the second data channel;
  • the launch pad 4 also includes:
  • a switching unit configured to switch the first data channel back to the second data channel when the half duplex voice call of the terminal ends.
  • the sending unit 401 is specifically configured to send a channel allocation instruction to the terminal, where the channel allocation instruction is used to indicate a half-duplex voice channel and a data channel allocated to the terminal, and the half-duplex voice channel is used for the terminal.
  • Half-duplex voice call, data channel is used for terminal to send and receive application data; half-duplex voice channel and data channel are located in different time slots.
  • the receiving unit 402 is specifically configured to receive the first application data sent by the terminal through the data channel and the terminal identifier of the terminal; the first application data includes GPS location information, where the GPS location information is used to indicate where the terminal is located. Geographic location.
  • the communication terminal and the transmitting station are introduced from the perspective of functional modularization.
  • the communication terminal and the transmitting station in the embodiment of the present invention are introduced from the perspective of hardware processing.
  • FIG. 5 is another schematic structural diagram of a half duplex communication terminal 5 according to an embodiment of the present invention.
  • the half-duplex communication terminal 5 may include at least one network interface or other communication interface, at least one receiver 501, at least one transmitter 502, at least one processor 503, and a memory 504 to enable connection communication between these devices, by at least A network interface (which may be wired or wireless) implements a communication connection between the system gateway and at least one other network element.
  • the memory 504 can include read only memory and random access memory, and provides instructions and data to the processor 503.
  • a portion of the memory 504 can also include, possibly including, a high speed random access memory (RAM), and possibly a non- Un-volatile memory.
  • RAM high speed random access memory
  • Memory 504 stores the following elements, executable modules or data structures, or subsets thereof, or their extended sets:
  • Operation instructions include various operation instructions for implementing various operations.
  • Operating system Includes a variety of system programs for implementing various basic services and handling hardware-based tasks.
  • the processor 503 performs the following operations by calling an operation instruction stored in the memory 504, which can be stored in the operating system:
  • the channel allocation instruction is used to indicate a half-duplex voice channel and a data channel allocated to the terminal, and a half-duplex voice call is performed through the half-duplex voice channel, and the transmitter 502 is invoked.
  • the first application data and the terminal identifier are sent to the transmitting station through the data channel, where the terminal identifier is used to enable the transmitting station to associate the data channel with the terminal, and then the calling receiver 501 receives the second application data sent through the data channel.
  • the processor 503 can perform the following steps:
  • the calling receiver 501 receives a channel allocation instruction sent by the transmitting station, the channel allocation instruction is used to indicate a half-duplex voice channel and a data channel allocated to the terminal, and the half-duplex voice channel and the data channel are located in different time slots.
  • the processor 503 can perform the following steps:
  • the calling transmitter 502 sends the first application data and the terminal identifier to the transmitting station through the data channel, where the terminal identifier is used to enable the transmitting station to determine the data channel corresponding to the terminal, and send the second application data to the terminal through the data channel;
  • the first application data includes GPS location information, GPS location information is used to indicate the geographic location where the terminal is located.
  • FIG. 6 is another schematic structural view of the transmitting station 6 according to the embodiment of the present invention.
  • the transmitting station 6 may include at least one network interface or other communication interface, at least one receiver 601, at least one transmitter 602, at least one processor 603, and a memory 604 to enable connection communication between the devices through at least one network interface
  • the communication connection between the system gateway and at least one other network element can be implemented (either wired or wireless).
  • the memory 604 can include read-only memory and random access memory, and provides instructions and data to the processor 603.
  • a portion of the memory 604 can also include, possibly including, a high-speed random access memory (RAM), and possibly a non- Un-volatile memory.
  • RAM high-speed random access memory
  • the memory 604 stores the following elements, executable modules or data structures, or a subset thereof, or an extended set thereof:
  • Operation instructions include various operation instructions for implementing various operations.
  • Operating system Includes a variety of system programs for implementing various basic services and handling hardware-based tasks.
  • the processor 603 performs the following operations by calling an operation instruction stored in the memory 604 (the operation instruction can be stored in the operating system):
  • the calling transmitter 602 sends a channel allocation instruction to the terminal, the channel allocation instruction is used to indicate a half-duplex voice channel and a first data channel allocated to the terminal, and the half-duplex voice channel is used for the terminal to perform a half-duplex voice call, the first data.
  • the channel is used by the terminal to send and receive application data; the call receiver 601 receives the first application data sent by the terminal through the first data channel and the terminal identifier of the terminal; and then associates the first data channel with the terminal according to the terminal identifier; The transmitter 602 transmits the second application data to the terminal through the first data channel.
  • the processor 603 may further perform the following steps:
  • the calling transmitter 602 sends a channel allocation instruction to the terminal through the second data channel; when the terminal is half At the end of the duplex voice call, the first data channel is switched back to the second data channel.
  • the processor 603 may further perform the following steps:
  • the calling transmitter 602 sends a channel allocation instruction to the terminal, the channel allocation instruction is used to indicate a half-duplex voice channel and a first data channel allocated to the terminal, and the half-duplex voice channel is used for the terminal to perform a half-duplex voice call, the first data.
  • the channel is used for the terminal to transmit and receive application data; the half-duplex voice channel and the first data channel are located in different time slots.
  • the processor 603 may further perform the following steps:
  • the re-call receiver 601 receives the first application data sent by the terminal through the first data channel and the terminal identifier of the terminal; the first application data includes GPS location information, and the GPS location information is used to indicate the geographic location where the terminal is located.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of cells is only a logical function division.
  • multiple units or components may be combined or integrated. Go to another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit is implemented as a software functional unit and sold or made as a standalone product When used, it can be stored in a computer readable storage medium.
  • the technical solution of the present invention which is essential or contributes to the prior art, or all or part of the technical solution, may be embodied in the form of a software product stored in a storage medium.
  • a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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Abstract

本发明实施例公开了一种半双工通信方法、终端及发射台，用于保持半双工专网通信系统中的不间断数据通信。本发明实施例方法包括：终端接收发射台发送的信道分配指令，该信道分配指令用于指示分配给终端的半双工语音信道和数据信道，终端通过半双工语音信道进行半双工语音通话，通过数据信道向发射台发送第一应用数据和终端的终端标识，终端标识用于使发射台将该数据信道与终端关联，终端通过该数据信道接收系统发送的第二应用数据。因为终端将自身的终端标识发送给发射台，发射台将该数据信道与该终端进行关联，后续可以通过该数据信道向该终端发送数据，从而所以能够保持半双工专网通信系统中的不间断数据通信。

Description

半双工通信方法、终端及发射台 技术领域
本发明涉及无线通信领域，尤其涉及的是一种半双工通信方法、终端及发射台。
背景技术
在目前主要的专网通信系统标准及产品中，都是采用半双工通信方式，实现语音组呼业务，在语音通话过程中系统只能通过反向信令向讲话方单向发送少量信息。
由于半双工语音组呼技术的广播特征，使得专网通信系统无法准确获得终端的工作状态，因此，在通信过程中，当系统要向终端发送指令或数据时，只能通过轮询的方式拉取终端后，才能向终端发送数据，因此系统无法与终端保持不间断的通信，也无法实现不间断的灵活数据业务通信。
发明内容
本发明实施例提供了一种半双工通信方法、终端及发射台，能够保持半双工专网通信系统中的不间断数据通信。
第一方面，本发明实施例提供了一种半双工通信方法，包括：
终端接收发射台发送的信道分配指令，信道分配指令用于指示分配给终端的半双工语音信道和数据信道；终端通过半双工语音信道进行半双工语音通话；终端通过数据信道向发射台发送第一应用数据和终端的终端标识，终端标识用于使发射台可以将数据信道与终端关联；终端接收发射台通过该数据信道发送的第二应用数据。
结合第一方面，在第一方面的第一种可能的实现方式中，所述半双工语音信道和数据信道位于不同的时隙。
结合第一方面，或第一方面第一种可能的实现方式，在第一方面的第二种可能的实现方式中，第一应用数据包括GPS位置信息，GPS位置信息用于指示终端所在的地理位置。
第二方面，本发明实施例提供了一种半双工通信方法，包括：
发射台向终端发送信道分配指令，信道分配指令用于指示给终端分配的半双工语音信道和第一数据信道，半双工语音信道用于终端进行半双工语音通话，第一数据信道用于终端发送和接收应用数据；发射台接收终端通过第一数据信道发送的第一应用数据和终端的终端标识；根据终端标识将第一数据信道与终端关联；通过第一数据信道向终端发送第二应用数据。
结合第二方面，在第二方面的第一种可能的实现方式中，发射台向终端发送信道分配指令包括发射台通过第二数据信道向终端发送信道分配指令；则该半双工通信方法还包括：当终端的半双工语音呼叫结束时，发射台将第一数据信道切换回第二数据信道。
结合第二方面，或第二方面的第一种可能的实现方式，在第二方面的第二种可能的实现方式中，所述半双工语音信道和第一数据信道位于不同的时隙。
结合第二方面，或第二方面的第一种可能的实现方式，在第二方面的第三种可能的实现方式中，第一应用数据包括GPS位置信息，GPS位置信息用于指示终端所在的地理位置。
第三方面，本发明实施例提供了一种半双工通信终端，包括：
接收单元，用于接收发射台发送的信道分配指令，信道分配指令用于指示分配给终端的半双工语音信道和数据信道；通信单元，用于通过半双工语音信道进行半双工语音通话；发送单元，用于通过数据信道向发射台发送第一应用数据和终端标识，终端标识用于使发射台可以将数据信道与终端关联，并通过数据信道向终端发送第二应用数据；接收单元，还用于接收发射台通过该数据信道发送的第二应用数据。
结合第三方面，在第三方面的第一种可能的实现方式中，接收单元，具体用于接收发射台发送的信道分配指令，信道分配指令用于指示分配给终端的半双工语音信道和数据信道，半双工语音信道和数据信道位于不同的时隙。
结合第三方面，或第三方面的第一种可能的实现方式，在第三方面的第二种可能的实现方式中，发送单元，具体用于通过数据信道向发射台发送第一应用数据和终端标识，终端标识用于使发射台确定终端对应的数据信道，并通过数据信道向终端发送第二应用数据；第一应用数据包括GPS位置信息，GPS 位置信息用于指示终端所在的地理位置。
第四方面，本发明实施例提供了一种发射台，包括：
发送单元，用于向终端发送信道分配指令，信道分配指令用于指示给终端分配的半双工语音信道和第一数据信道，半双工语音信道用于终端进行半双工语音通话，第一数据信道用于终端发送和接收应用数据；接收单元，用于接收终端通过第一数据信道发送的第一应用数据和终端的终端标识；处理单元，用于根据终端标识将第一数据信道与终端关联；发送单元，还用于通过第一数据信道向终端发送第二应用数据。
结合第四方面，在第四方面的第一种可能的实现方式中，发送单元，具体用于通过第二数据信道向终端发送信道分配指令；则发射台还包括：切换单元，用于当终端的半双工语音呼叫结束时，将第一数据信道切换回第二数据信道。
结合第四方面，或第四方面的第一种可能的实现方式，在第四方面的第二种可能的实现方式中，发送单元，具体用于向终端发送信道分配指令，信道分配指令用于指示给终端分配的半双工语音信道和第一数据信道，半双工语音信道用于终端进行半双工语音通话，第一数据信道用于终端发送和接收应用数据；半双工语音信道和第一数据信道位于不同的时隙。
结合第四方面，或第四方面的第一种可能的实现方式，在第四方面的第三种可能的实现方式中，接收单元，具体用于接收终端通过第一数据信道发送的第一应用数据和终端的终端标识；第一应用数据包括GPS位置信息，GPS位置信息用于指示终端所在的地理位置。
第五方面，本发明实施例提供了一种半双工通信终端，包括：
接收器、处理器以及发射器；
其中，接收器，用于接收发射台发送的信道分配指令，信道分配指令用于指示分配给终端的半双工语音信道和数据信道；
处理器，用于通过半双工语音信道进行半双工语音通话；
发射器，用于通过数据信道向发射台发送第一应用数据和终端标识，终端标识用于使发射台可以将数据信道与终端关联，并通过数据信道向终端发送第二应用数据；
另外，接收器，还用于接收发射台通过数据信道发送的第二应用数据。
第六方面，本发明实施例提供了一种发射台，包括：
接收器、处理器以及发射器；
其中，发射器，用于向终端发送信道分配指令，信道分配指令用于指示给终端分配的半双工语音信道和第一数据信道，半双工语音信道用于终端进行半双工语音通话，第一数据信道用于终端发送和接收应用数据；
接收器，用于接收终端通过第一数据信道发送的第一应用数据和终端的终端标识；
处理器，用于根据终端标识将第一数据信道与终端关联；
发射器，还用于通过第一数据信道向终端发送第二应用数据。
从以上技术方案可以看出，本发明实施例的方案具有如下有益效果：
本发明实施例中，终端接收发射台发送的信道分配指令，该信道分配指令用于指示分配给终端的半双工语音信道和数据信道，终端通过半双工语音信道进行半双工语音通话，通过数据信道向发射台发送第一应用数据和终端的终端标识，终端标识用于使发射台将该数据信道与终端关联，终端通过数据信道接收系统发送第二应用数据。因为终端将自身的终端标识发送给发射台，发射台将该数据信道与该终端进行关联，后续可以通过该数据信道向该终端发送数据，从而所以能够保持半双工专网通信系统中的不间断数据通信。
附图说明
图1为本发明实施例中半双工通信方法的一种流程图；
图2为本发明实施例中半双工通信方法的另一种流程图；
图3为本发明实施例中半双工通信终端的功能模块示意图；
图4为本发明实施例中发射台的功能模块示意图；
图5为本发明实施例中半双工通信终端的硬件结构示意图；
图6为本发明实施例中发射台的硬件结构示意图。
具体实施方式
本发明实施例提供了一种半双工通信方法、终端及发射台，用于保持半双工专网通信系统中的不间断数据通信。下面分别进行详细说明。
为了使本技术领域的人员更好地理解本发明方案，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分的实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都应当属于本发明保护的范围。
本发明的说明书和权利要求书及上述附图中的术语“第一”、“第二”、“第三”“第四”等(如果存在)是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的实施例能够以除了在这里图示或描述的内容以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。
本发明实施例可以应用于多种半双工专网通信标准中，包括：数字集群通信标准(Digital Mobile Radio，DMR)，专业数字集群(Professional Digital Trunking，PDT)、泛欧集群无线电(Trans European Trunked Radio，TETRA)等半双工专网通信标准中，本发明实施例中以DMR系统为例进行说明。
本发明实施例中包括半双工发射台和半双工通信终端两个网元，其中，半双工发射台可以为数字发射集群基站、数字专业集群等集群系统设备，半双工通信终端可以为数字对讲机、数字车载台等对讲设备。
请参照图1，本发明实施例提供了一种定位信息传输方法，包括：
101、终端接收发射台发送的信道分配指令；
在专网通信领域，在建立半双工语音呼叫(包括单呼或组呼)时，发射台通过控制信道(也可以称之为原来的数据信道)向建立语音呼叫的终端发送信道分配指令，所述信道分配指令包括分配给终端的半双工语音信道信息和数据信道信息，其中，半双工语音信道是用来使终端建立半双工语音呼叫的，数据信道是用来给终端传输数据使用，传输的数据包括应用数据和控制信令。
需要说明的是，信道分配指令中指示的数据信道可以和原来发射台发送信道分配指令时使用的控制信道(也可以称之为数据信道)是同一个信道，具体 取决于该控制信道是否能够空闲以承载其他数据的传输。
102、终端通过半双工语音信道进行半双工语音通话；
终端在接收到信道分配指令后，通过信道分配指令指示的半双工语音信道建立半双工语音通话。
103、终端通过数据信道向发射台发送第一应用数据和终端的终端标识；
终端在接收到信道分配指令后，通过信道分配指令指示的数据信道发送应用数据，将该应用数据称为第一应用数据；另外，终端还通过该数据信道向发射台发送指令，该指令中包括该终端的终端标识，该终端的标识可以是终端ID，也可以终端的移动用户识别码等信息，此处不做限定。
发射台收到终端发送的终端标识后，根据该终端标识，将该数据信道更新为该终端的数据信道，即将该数据信道和终端进行关联，以使得后续发射台可以继续通过该数据信道向对应的终端发送数据，将此处发送的数据称之为第二应用数据。
需要说明的是，终端在收到信道分配指令后，通过数据信道向发射台发送的第一应用数据和终端标识可以是同时发送的，也可以是在不同时刻发送的，可以先通过数据信道发送终端标识，等发射台将数据信道和终端进行关联后，再进行应用数据的发送，具体的顺序此处不做限定。
104、终端接收通过数据信道发送的第二应用数据。
发射台通过数据信道发送了第二应用数据后，通过该数据通道接收到发射台发送的第二应用数据。
需要说明的是，在实际应用中，发射台也可以通过与该终端关联的该数据信道发送指令。
本发明实施例中，终端接收发射台发送的信道分配指令，该信道分配指令用于指示分配给终端的半双工语音信道和数据信道，终端通过半双工语音信道进行半双工语音通话，通过数据信道向发射台发送第一应用数据和终端的终端标识，终端标识用于使发射台将该数据信道与终端关联，并通过数据信道向终端发送第二应用数据。因为终端将自身的终端标识发送给发射台，发射台将该数据信道与该终端进行关联，后续可以通过该数据信道向该终端发送数据，从而所以能够保持半双工专网通信系统中的不间断数据通信。
进一步，在一种具体的实施例中，终端接收到的分配的半双工语音信道和数据信道位于同一个载频的不同的时隙，或不同载频的不同时隙，从而可以使得数据信道可以时分复用于其他的终端，从而使得一个数据信道可以用于一个或多个半双工语音呼叫，从而提升了信道的使用效率。
进一步，在一种具体的实施方式中，终端向发射台发送的第一应用数据包括GPS位置信息，该GPS位置信息用于指示该终端所在的地理位置。
需要说明的是，发射台发射的第一应用数据不仅仅包括GPS位置信息，还可以是移动速度等其他应用数据。
进一步，在一种具体的实施方式中，当半双工语音呼叫结束后，发射台可以将该数据信道退回到原来的数据信道，也可以将停留在该数据信道，继续使用该数据信道，具体此处对呼叫结束后，数据信道的使用不做具体限定。
为了便于理解，下面以DMR系统为例，以一具体的应用场景对本发明实施例中的半双工通信方法进行详细介绍。
在DMR系统中，组呼号Group1的半双工语音组呼建立时，信道分配信令中包括用于半双工语音呼叫的载频F1上的0时隙语音信道Ch1和用于该通话过程中不间断数据通信的载频F2上的1时隙数据信道Ch2。
组号Group1的成员移动台(mobile station，MS)包括MS1、MS2、MS3、MS4、MS5，它们在收到信道分配信令后，在0时隙切换到语音信道Ch1进行半双工语音通话，并在1时隙切换到数据信道ch2上以随机接入方式向系统发送GPS位置信息，在该数据信令中携带各自的终端识别码。
系统在数据信道ch2上收到终端MS1、MS2、MS3、MS4、MS5的GPS位置信息后，通过接收到的数据信令解析发送终端识别码，将数据信道ch2更新为MS1、MS2、MS3、MS4、MS5的数据通信信道，后续通过该信道向MS1、MS2、MS3、MS4、MS5发送数据和信令。
组呼号Group2的半双工语音组呼建立时，信道分配信令中包括用于半双工语音呼叫的载频F3上的0时隙语音信道Ch3和用于该通话过程中不间断数据通信的载频F2上的1时隙数据信道Ch2。
组号Group2的成员终端MS6、MS7、MS8、MS9、MS10收到信道分配信令后，在0时隙切换到语音信道Ch3进行半双工语音通话，并在1时隙切 换到数据信道ch2上以随机接入方式向系统发送GPS位置信息，在该数据信令中携带各自的终端识别码。
系统在数据信道ch2上收到终端MS6、MS7、MS8、MS9、MS10的GPS位置信息后，通过接收到的数据信令解析发送终端识别码，将数据信道ch2更新为MS6、MS7、MS8、MS9、MS10的数据通信信道，后续通过该信道向MS6、MS7、MS8、MS9、MS10发送数据和信令。
组呼号Group1对应的半双工语音组呼结束后，系统将MS1、MS2、MS3、MS4、MS5对应的数据通信信道退回到原来的控制信道。
组呼号Group2对应的半双工语音组呼结束后，系统将MS6、MS7、MS8、MS9、MS10对应的数据通信信道退回到原来的控制信道。
以上是从终端侧对半双工通信方法进行的介绍，下面从发射台侧对半双工通信方法进行详细介绍。
结合图2，本发明实施例中的半双工数据通信方法包括：
201、发射台向终端发送信道分配指令；
在专网通信领域，在建立半双工语音呼叫(包括单呼或组呼)时，发射台向建立语音呼叫的终端同发送信道分配指令，信道分配指令包括分配给终端的半双工语音信道信息和第一数据信道信息，其中，半双工语音信道是用来使终端建立半双工语音呼叫，第一数据信道是用来给终端传输数据使用，传输的数据包括应用数据和控制信令。
需要说明的是，信道分配指令中指示的第一数据信道可以和原来发射台发送信道分配指令时使用的控制信道(也可以称之为第一数据信道)是同一个信道，具体取决于该控制信道是否能够空闲以承载其他数据的传输。
终端在接收到信道分配指令后，通过信道分配指令指示的半双工语音信道建立半双工语音通话。
202、发射台接收终端通过第一数据信道发送的第一应用数据和终端的终端标识；
终端在接收到信道分配指令后，通过信道分配指令指示的第一数据信道发送应用数据，将该应用数据称为第一应用数据；另外，终端还通过该第一数据信道向发射台发送指令，该指令中包括该终端的终端标识，该终端的标识可以 是终端ID，也可以终端的移动用户识别码等信息，此处不做限定。
发射台收到终端发送第一应用数据和的终端标识。
203、发射台根据终端标识将第一数据信道与终端关联；
发射台收到终端发送第一应用数据和的终端标识后，根据该终端标识，将该第一数据信道更新为该终端的第一数据信道，即将该第一数据信道和终端进行关联。需要说明的是，终端在收到信道分配指令后，通过第一数据信道向发射台发送的第一应用数据和终端标识可以是同时发送的，也可以是在不同时刻发送的，所以，发射台可能先通过第一数据信道接收终端标识，等发射台将第一数据信道和终端进行关联后，再接收到应用数据的发送，具体的顺序此处不做限定。
204、发射台通过第一数据信道向终端发送第二应用数据。
发射台在将该第一数据信道和终端进行关联后，后续发射台可以继续通过该第一数据信道向对应的终端发送数据，将此处发送的数据称之为第二应用数据。
本发明实施例中，发射台在半双工语音信道分配信令中增加第一数据信道信息，从而可以传输数据，且因为终端将自身的终端标识发送给发射台，发射台将该第一数据信道与该终端进行关联，后续可以通过该第一数据信道向该终端发送数据，从而所以能够保持半双工专网通信系统中的不间断数据通信。
进一步，在一种具体的实施例中，发射台通过是通过第一数据信道(也可以称之为控制信道)向终端发送所述信道分配指令的，当终端的半双工语音呼叫结束时，发射台再将第一数据信道切换回原来的第二数据信道。
需要说明的是，在半双工呼叫结束时，发射台也可以将停留在该第一数据信道，继续使用该第一数据信道，具体此处对呼叫结束后，第一数据信道的使用不做具体限定。
进一步，在一种具体的实施例中，发射台给终端分配的半双工语音信道和第一数据信道位于同一个载频的不同的时隙，或不同载频的不同时隙，从而可以使得该第一数据信道可以时分复用于其他的终端，从而使得一个第一数据信道可以用于一个或多个半双工语音呼叫，从而提升了信道的使用效率。
进一步，在一种具体的实施方式中，终端向发射台发送的第一应用数据包 括GPS位置信息，该GPS位置信息用于指示该终端所在的地理位置。
需要说明的是，发射台发射的第一应用数据不仅仅包括GPS位置信息，还可以是移动速度等其他应用数据。
本发明实施例中的具体应用场景与图1所示的应用场景实施例相同，此处不再赘述。
以上是对本发明实施例中的半双工通信方法进行的介绍，下面从功能模块角度对本发明实施中的半双工通信终端以及发射台进行介绍。
结合图3，本发明实施例中的半双工通信终端3包括：
接收单元301，用于接收发射台发送的信道分配指令，信道分配指令用于指示分配给终端的半双工语音信道和数据信道；
通信单元302，用于通过半双工语音信道进行半双工语音通话；
发送单元303，用于通过数据信道向发射台发送第一应用数据和终端标识，终端标识用于使发射台将数据信道与终端关联；
接收单元301，还用于接收通过数据信道发送的第二应用数据。
本发明实施例半双工通信终端3的各单元之间的交互过程可以参阅前述图1所示实施例中的交互过程，具体此处不再赘述。
本发明实施例中，接收单元301接收发射台发送的信道分配指令，该信道分配指令用于指示分配给终端的半双工语音信道和数据信道，通信单元302通过半双工语音信道进行半双工语音通话，发送单元303通过数据信道向发射台发送第一应用数据和终端的终端标识，终端标识用于使发射台将该数据信道与终端关联，并通过数据信道向终端发送第二应用数据。因为发送单元303将自身的终端标识发送给发射台，发射台将该数据信道与该终端进行关联，后续可以通过该数据信道向该终端发送数据，从而所以能够保持半双工专网通信系统中的不间断数据通信。
进一步，作为另一个实施例，接收单元301，具体用于接收发射台发送的信道分配指令，信道分配指令用于指示分配给终端的半双工语音信道和数据信道，半双工语音信道和数据信道位于不同的时隙。
进一步，作为另一个实施例，发送单元302，具体用于通过数据信道向发射台发送第一应用数据和终端标识，终端标识用于使发射台确定终端对应的数 据信道；第一应用数据包括GPS位置信息，GPS位置信息用于指示终端所在的地理位置。
结合图4，本发明实施例中的半双工发射台4包括：
发送单元401，用于向终端发送信道分配指令，信道分配指令用于指示给终端分配的半双工语音信道和数据信道，半双工语音信道用于终端进行半双工语音通话，数据信道用于终端发送和接收应用数据；
接收单元402，用于接收终端通过数据信道发送的第一应用数据和终端的终端标识；
处理单元403，用于根据终端标识将数据信道与终端关联；
发送单元401，还用于通过数据信道向终端发送第二应用数据。
本发明实施例发射台4的各单元之间的交互过程可以参阅前述图2所示实施例中的交互过程，具体此处不再赘述。
本发明实施例中，发射台4在半双工语音信道分配信令中增加数据信道信息，从而可以传输数据，且因为接收单元402接收了终端发送的终端标识，处理单元403将该数据信道与该终端进行关联，后续发送单元401可以通过该数据信道向该终端发送数据，从而所以能够保持半双工专网通信系统中的不间断数据通信。
进一步，作为另一个实施例，发送单元401，具体用于通过第二数据信道向终端发送信道分配指令；
发射台4还包括：
切换单元，用于当终端的半双工语音呼叫结束时，将第一数据信道切换回第二数据信道。
进一步，作为另一个实施例，发送单元401，具体用于向终端发送信道分配指令，信道分配指令用于指示给终端分配的半双工语音信道和数据信道，半双工语音信道用于终端进行半双工语音通话，数据信道用于终端发送和接收应用数据；半双工语音信道和数据信道位于不同的时隙。
进一步，作为另一个实施例，接收单元402，具体用于接收终端通过数据信道发送的第一应用数据和终端的终端标识；第一应用数据包括GPS位置信息，GPS位置信息用于指示终端所在的地理位置。
上面是从功能模块化角度对通信终端和发射台进行了介绍，下面从硬件处理的角度对本发明实施例中的通信终端和发射台进行介绍。
图5是本发明实施例半双工通信终端5的另一结构示意图。半双工通信终端5可包括至少一个网络接口或者其它通信接口、至少一个接收器501、至少一个发射器502、至少一个处理器503和存储器504，以实现这些装置之间的连接通信，通过至少一个网络接口(可以是有线或者无线)实现该系统网关与至少一个其它网元之间的通信连接。
存储器504可以包括只读存储器和随机存取存储器，并向处理器503提供指令和数据，存储器504的一部分还可以包括可能包含高速随机存取存储器(RAM，Random Access Memory)，也可能还包括非不稳定的存储器(non-volatile memory)。
存储器504存储了如下的元素，可执行模块或者数据结构，或者它们的子集，或者它们的扩展集:
操作指令：包括各种操作指令，用于实现各种操作。
操作系统：包括各种系统程序，用于实现各种基础业务以及处理基于硬件的任务。
在本发明实施例中，处理器503通过调用存储器504存储的操作指令(该操作指令可存储在操作系统中)，执行如下操作：
通过接收器501接收发射台发送的信道分配指令，该信道分配指令用于指示分配给终端的半双工语音信道和数据信道，通过半双工语音信道进行半双工语音通话，调用发射器502通过数据信道向发射台发送第一应用数据和终端标识，终端标识用于使发射台将数据信道与终端关联，之后，调用接收器501接收通过数据信道发送的第二应用数据。
在一些实施方式中，上述处理器503还可以执行以下步骤：
调用接收器501接收发射台发送的信道分配指令，信道分配指令用于指示分配给终端的半双工语音信道和数据信道，半双工语音信道和数据信道位于不同的时隙。
在一些实施方式中，上述处理器503还可以执行以下步骤：
调用发射器502通过数据信道向发射台发送第一应用数据和终端标识，终端标识用于使发射台确定终端对应的数据信道，并通过数据信道向终端发送第二应用数据；第一应用数据包括GPS位置信息，GPS位置信息用于指示终端所在的地理位置。
图6是本发明实施例发射台6的另一结构示意图。发射台6可包括至少一个网络接口或者其它通信接口、至少一个接收器601、至少一个发射器602、至少一个处理器603和存储器604，以实现这些装置之间的连接通信，通过至少一个网络接口(可以是有线或者无线)实现该系统网关与至少一个其它网元之间的通信连接。
存储器604可以包括只读存储器和随机存取存储器，并向处理器603提供指令和数据，存储器604的一部分还可以包括可能包含高速随机存取存储器(RAM，Random Access Memory)，也可能还包括非不稳定的存储器(non-volatile memory)。
存储器604存储了如下的元素，可执行模块或者数据结构，或者它们的子集，或者它们的扩展集:
操作指令：包括各种操作指令，用于实现各种操作。
操作系统：包括各种系统程序，用于实现各种基础业务以及处理基于硬件的任务。
在本发明实施例中，处理器603通过调用存储器604存储的操作指令(该操作指令可存储在操作系统中)，执行如下操作：
调用发射器602向终端发送信道分配指令，信道分配指令用于指示给终端分配的半双工语音信道和第一数据信道，半双工语音信道用于终端进行半双工语音通话，第一数据信道用于终端发送和接收应用数据；再调用接收器601接收终端通过第一数据信道发送的第一应用数据和终端的终端标识；再根据终端标识将第一数据信道与终端关联；之后，调用发射器602通过第一数据信道向终端发送第二应用数据。
在一些实施方式中，上述处理器603还可以执行以下步骤：
调用发射器602通过第二数据信道向终端发送信道分配指令；当终端的半 双工语音呼叫结束时，将第一数据信道切换回第二数据信道。
在一些实施方式中，上述处理器603还可以执行以下步骤：
调用发射器602向终端发送信道分配指令，信道分配指令用于指示给终端分配的半双工语音信道和第一数据信道，半双工语音信道用于终端进行半双工语音通话，第一数据信道用于终端发送和接收应用数据；半双工语音信道和第一数据信道位于不同的时隙。
在一些实施方式中，上述处理器603还可以执行以下步骤：
再调用接收器601接收终端通过第一数据信道发送的第一应用数据和终端的终端标识；第一应用数据包括GPS位置信息，GPS位置信息用于指示终端所在的地理位置。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统，装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统，装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本发明各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使 用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本发明各个实施例方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
以上，以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (12)

  1. 一种半双工通信方法，其特征在于，包括：
    终端接收发射台发送的信道分配指令，所述信道分配指令用于指示分配给所述终端的半双工语音信道和数据信道；
    所述终端通过所述半双工语音信道进行半双工语音通话；
    所述终端通过所述数据信道向所述发射台发送第一应用数据和所述终端的终端标识，所述终端标识用于使所述发射台可以将所述数据信道与所述终端关联；
    所述终端接收所述发射台通过所述数据信道发送的第二应用数据。
  2. 根据权利要求1所述的方法，其特征在于：
    所述半双工语音信道和所述数据信道位于不同的时隙。
  3. 一种半双工通信方法，其特征在于，包括：
    发射台向终端发送信道分配指令，所述信道分配指令用于指示给所述终端分配的半双工语音信道和第一数据信道，所述半双工语音信道用于所述终端进行半双工语音通话，所述第一数据信道用于所述终端发送和接收应用数据；
    所述发射台接收所述终端通过所述第一数据信道发送的第一应用数据和所述终端的终端标识；
    所述发射台根据所述终端标识将所述第一数据信道与所述终端关联；
    所述发射台通过所述第一数据信道向所述终端发送第二应用数据。
  4. 根据权利要求3所述的方法，其特征在于，发射台向终端发送信道分配指令包括：
    所述发射台通过第二数据信道向所述终端发送所述信道分配指令；
    所述方法还包括：
    当所述终端的半双工语音呼叫结束时，所述发射台将所述第一数据信道切换回所述第二数据信道。
  5. 根据权利要求3或4所述的方法，其特征在于：
    所述半双工语音信道和所述第一数据信道位于不同的时隙。
  6. 一种半双工通信终端，其特征在于，包括：
    接收单元，用于接收发射台发送的信道分配指令，所述信道分配指令用于 指示分配给所述终端的半双工语音信道和数据信道；
    通信单元，用于通过所述半双工语音信道进行半双工语音通话；
    发送单元，用于通过所述数据信道向所述发射台发送第一应用数据和终端标识，所述终端标识用于使所述发射台可以将所述数据信道与所述终端关联，并通过所述数据信道向所述终端发送第二应用数据；
    所述接收单元，还用于接收所述发射台通过所述数据信道发送的所述第二应用数据。
  7. 根据权利要求6所述的半双工通信终端，其特征在于：
    所述接收单元，具体用于接收发射台发送的信道分配指令，所述信道分配指令用于指示分配给所述终端的半双工语音信道和数据信道，所述半双工语音信道和所述数据信道位于不同的时隙。
  8. 一种发射台，其特征在于，包括：
    发送单元，用于向终端发送信道分配指令，所述信道分配指令用于指示给所述终端分配的半双工语音信道和第一数据信道，所述半双工语音信道用于所述终端进行半双工语音通话，所述第一数据信道用于所述终端发送和接收应用数据；
    接收单元，用于接收所述终端通过所述第一数据信道发送的第一应用数据和所述终端的终端标识；
    处理单元，用于根据所述终端标识将所述第一数据信道与所述终端关联；
    所述发送单元，还用于通过所述第一数据信道向所述终端发送第二应用数据。
  9. 根据权利要求8所述的发射台，其特征在于：
    所述发送单元，具体用于通过第二数据信道向所述终端发送所述信道分配指令；
    所述发射台还包括：
    切换单元，用于当所述终端的半双工语音呼叫结束时，将所述第一数据信道切换回所述第二数据信道。
  10. 根据权利要求8或9所述的发射台，其特征在于：
    发送单元，具体用于向终端发送信道分配指令，所述信道分配指令用于指 示给所述终端分配的半双工语音信道和第一数据信道，所述半双工语音信道用于所述终端进行半双工语音通话，所述第一数据信道用于所述终端发送和接收应用数据；所述半双工语音信道和第一数据信道位于不同的时隙。
  11. 一种半双工通信终端，其特征在于，包括：
    接收器、处理器以及发射器；
    所述接收器，用于接收发射台发送的信道分配指令，所述信道分配指令用于指示分配给所述终端的半双工语音信道和数据信道；
    所述处理器，用于通过所述半双工语音信道进行半双工语音通话；
    所述发射器，用于通过所述数据信道向所述发射台发送第一应用数据和终端标识，所述终端标识用于使所述发射台可以将所述数据信道与所述终端关联，并通过所述数据信道向所述终端发送第二应用数据；
    所述接收器，还用于接收所述发射台通过所述数据信道发送的所述第二应用数据。
  12. 一种发射台，其特征在于，包括：
    接收器、处理器以及发射器；
    所述发射器，用于向终端发送信道分配指令，所述信道分配指令用于指示给所述终端分配的半双工语音信道和第一数据信道，所述半双工语音信道用于所述终端进行半双工语音通话，所述第一数据信道用于所述终端发送和接收应用数据；
    所述接收器，用于接收所述终端通过所述第一数据信道发送的第一应用数据和所述终端的终端标识；
    所述处理器，用于根据所述终端标识将所述第一数据信道与所述终端关联；
    所述发射器，还用于通过所述第一数据信道向所述终端发送第二应用数据。
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