WO2015157945A1 - 一种信息传输方法、设备及系统 - Google Patents

一种信息传输方法、设备及系统 Download PDF

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Publication number
WO2015157945A1
WO2015157945A1 PCT/CN2014/075518 CN2014075518W WO2015157945A1 WO 2015157945 A1 WO2015157945 A1 WO 2015157945A1 CN 2014075518 W CN2014075518 W CN 2014075518W WO 2015157945 A1 WO2015157945 A1 WO 2015157945A1
Authority
WO
WIPO (PCT)
Prior art keywords
information
user equipment
base station
sending
discovery information
Prior art date
Application number
PCT/CN2014/075518
Other languages
English (en)
French (fr)
Inventor
马洁
蔺波
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201480001629.6A priority Critical patent/CN105191460B/zh
Priority to PCT/CN2014/075518 priority patent/WO2015157945A1/zh
Priority to EP14889431.4A priority patent/EP3122124B1/en
Priority to JP2016562877A priority patent/JP2017517931A/ja
Publication of WO2015157945A1 publication Critical patent/WO2015157945A1/zh
Priority to US15/293,693 priority patent/US10237861B2/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/02—Selection of wireless resources by user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/005—Discovery of network devices, e.g. terminals
    • 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
    • H04W88/02—Terminal devices
    • 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
    • H04W88/02—Terminal devices
    • H04W88/04—Terminal devices adapted for relaying to or from another terminal or user
    • 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

Definitions

  • the present invention relates to the field of communications, and in particular, to an information transmission method, device, and system. Background technique
  • D2D Device to Device
  • D2D Device to Device
  • applications such as social networking and user proximity data sharing
  • D2D technology has led to an increasing demand for D2D technology.
  • D2D technology can solve the problem of lack of spectrum resources of wireless communication systems to a certain extent, and can also reduce Cell network load.
  • the embodiments of the present invention provide an information transmission method, device, and system, which can solve the problem that the time-frequency resource allocation in the through-terminal technology is unreasonable.
  • a user equipment is applied to a through terminal technology, including:
  • An obtaining unit configured to acquire discovery information, where the discovery information is information that the user equipment needs to send to other user equipments through direct communication between devices;
  • a requesting unit configured to generate request information according to the discovery information acquired by the acquiring unit, where the request information is used to request the base station to allocate a time-frequency resource for sending the discovery information to the user equipment;
  • a sending unit configured to send the request information generated by the requesting unit to the base station
  • a receiving unit configured to receive the resource information sent by the base station, where the resource information includes the valid time-frequency resource, where the effective time-frequency resource is used by the base station to allocate the discovery information Time-frequency resources;
  • the sending unit is further configured to send the discovery information to the other user equipment by using the valid time-frequency resource received by the receiving unit.
  • the requesting unit is configured to determine, according to the discovery information, a sending period of the discovery information and a sending duration of the discovery information, and generate the request information, where the request information includes a sending period of the discovery information and The length of time during which the discovery information is sent.
  • the resource information further includes a preset period and a preset duration, where the preset period and the preset duration are periods and durations occupied by the effective time-frequency resource allocated by the base station to the user equipment; Specifically, the discovery information is matched with the time-frequency resource of the discovery information, and the discovery information is sent to the other user equipment according to the preset period and the preset duration.
  • the sending unit is specifically configured to carry the request information in a radio resource control protocol
  • the RRC message or buffer status report is sent to the base station in the BSR message.
  • a base station is applied to a through terminal technology, including:
  • a receiving unit configured to receive request information sent by the user equipment, where the request information is used to request the base station to allocate time-frequency resources for sending the discovery information to the user equipment, where the discovery information is that the user equipment needs to pass Information that is directly communicated between devices to other user devices;
  • An allocating unit configured to allocate a time-frequency resource for sending the discovery information to the user equipment according to the request information received by the receiving unit, and generate resource information, where the resource information includes the effective time-frequency resource
  • the effective time-frequency resource is a time-frequency resource allocated by the base station to the user equipment for sending the discovery information
  • a sending unit configured to send the resource information generated by the allocating unit to the user equipment.
  • the request information includes a sending period of the discovery information and a sending duration of the discovery information;
  • the allocating unit is configured to allocate a time-frequency resource for sending the discovery information to the user equipment according to the request information, and determine a preset according to a sending period of the discovery information and a sending duration of the discovery information. a period and a preset duration, and generating the resource information, where the resource information includes the valid time-frequency resource, the preset period, and the preset duration, where the effective time-frequency resource is the base station is The time-frequency resource allocated by the user equipment for sending the discovery information; the preset period and the preset duration are periods and durations occupied by the effective time-frequency resource allocated by the base station to the user equipment.
  • the sending unit is specifically configured to carry the resource information in a radio resource control protocol.
  • the RRC message is sent to the user equipment, or the resource information is carried on the physical downlink control channel PDCCH and sent to the user equipment.
  • a third aspect is a user equipment, characterized by being applied to a through terminal technology, including a processor, a memory, a transmitter, a receiver, and a bus, the processor, the memory, the transmitter, and the receiving Connected to each other through the bus;
  • the processor is configured to acquire discovery information, where the discovery information is information that the user equipment needs to send to other user equipments through direct communication between devices;
  • the processor is further configured to generate request information according to the discovery information, where the request information is used to request a base station to allocate a time-frequency resource for sending the discovery information to the user equipment, where the transmitter is configured to: The request information generated by the processor is sent to the base station; the receiver is configured to receive resource information sent by the base station, where the resource information includes the valid time-frequency resource, and the effective time-frequency resource a time-frequency resource allocated by the base station to the user equipment for sending the discovery information;
  • the transmitter is further configured to send the discovery information to the other user equipment by using the valid time-frequency resource received by the receiver.
  • the processor is specifically configured to determine, according to the discovery information, a sending period of the discovery information and a sending duration of the discovery information, and generate the request information, where the request information includes a sending period of the discovery information and The length of time during which the discovery information is sent.
  • the resource information further includes a preset period and a preset duration, where the preset period and the preset duration are the base station The period and duration of the effective time-frequency resource allocated to the user equipment; the transmitter is specifically configured to match the discovery information with the time-frequency resource of the discovery information, and according to the preset The period and the preset duration send the discovery information to the other user equipment.
  • the transmitter is specifically configured to send the request information to a radio resource control protocol RRC message or a buffer status report BSR message and send the request to the base station.
  • a base station is applied to a pass-through terminal technology, including a processor, a memory, a transmitter, a receiver, and a bus, wherein the processor, the memory, the transmitter, and the receiver pass the bus Connected to each other;
  • the receiver is configured to receive request information sent by the user equipment, where the request information is used to request the base station to allocate time-frequency resources for sending the discovery information to the user equipment, where the discovery information is User equipment needs to send information to other user equipment through direct communication between devices;
  • the processor is configured to allocate a time-frequency resource for sending the discovery information to the user equipment according to the request information received by the receiver, and generate resource information, where the resource information includes the valid time a frequency resource, where the effective time-frequency resource is a time-frequency resource allocated by the base station to the user equipment for sending the discovery information;
  • the transmitter is configured to send the resource information generated by the processor to the user equipment.
  • the request information includes a sending period of the discovery information and a sending duration of the discovery information
  • the processor is configured to allocate a time-frequency resource for sending the discovery information to the user equipment according to the request information, and determine a preset according to a sending period of the discovery information and a sending duration of the discovery information. a period and a preset duration, and generating the resource information, the resource
  • the information includes the effective time-frequency resource, the preset period, and the preset duration, where the valid time-frequency resource is a time-frequency resource allocated by the base station to the user equipment for sending the discovery information;
  • the preset period and the preset duration are periods and durations occupied by the effective time-frequency resource allocated by the base station to the user equipment.
  • the transmitter is specifically configured to carry the resource information in a radio resource control protocol RR C message to the user equipment, or send the resource information on a physical downlink control channel PDCCH and send the information to the user equipment. .
  • an information transmission method is applied to a direct-through terminal technology, including: a user equipment acquiring discovery information, where the discovery information is information that the user equipment needs to send to other user equipment through direct communication between devices;
  • the user equipment generates request information according to the discovery information, where the request information is used to request the base station to allocate a time-frequency resource for sending the discovery information to the user equipment;
  • the user equipment receives the resource information sent by the base station, where the resource information includes the valid time-frequency resource, where the effective time-frequency resource is allocated by the base station to the user equipment for sending the discovery information.
  • Time-frequency resources
  • the user equipment sends the discovery information to the other user equipment by using the valid time-frequency resource.
  • the generating, by the user equipment, request information according to the discovery information includes:
  • the length of the transmission
  • the resource information further includes a preset period and a preset duration, where the preset period and the preset duration are periods and durations occupied by the effective time-frequency resource allocated by the base station to the user equipment;
  • the sending, by the user equipment, the discovery information to the other user equipment by using the valid time-frequency resource includes:
  • the user equipment matches the discovery information with the time-frequency resource of the discovery information, and sends the discovery information to the other user equipment according to the preset period and the preset duration.
  • the user equipment sending the request information to the base station includes:
  • the user equipment sends the request information to the base station in a radio resource control protocol RRC message or a buffer status report B S R message.
  • an information transmission method is applied to a direct-through terminal technology, including: receiving, by a base station, request information sent by a user equipment, where the request information is used to request the base station to allocate, for sending, discovery information, to the user equipment
  • the frequency information, the discovery information is information that the user equipment needs to send to other user equipments through direct communication between devices;
  • the base station allocates time-frequency resources for transmitting the discovery information to the user equipment according to the request information, and generates resource information, where the resource information includes the effective time-frequency resource, and the effective time-frequency resource is a time-frequency resource allocated by the base station to the user equipment for sending the discovery information;
  • the base station sends the resource information to the user equipment.
  • the request information includes a sending period of the discovery information and a sending duration of the discovery information
  • the base station allocates a time-frequency resource for sending the discovery information to the user equipment according to the request information, and generates resource information, including:
  • the base station allocates a time-frequency resource for sending the discovery information to the user equipment according to the request information, and determines a preset period and a preset duration according to a sending period of the discovery information and a sending duration of the discovery information. And generating the resource information, where the resource information includes the valid time-frequency resource, the preset period, and the preset duration, where the effective time-frequency resource is allocated by the base station to the user equipment. a time-frequency resource for transmitting the discovery information; The period and the preset duration are the periods and durations of the effective time-frequency resources allocated by the base station to the user equipment.
  • the base station carries the resource information in the RRC message to the user equipment, or the resource information is carried on the physical downlink control channel PDCCH and sent to the user equipment.
  • a seventh aspect a wireless communication system, comprising: a user equipment and a base station; wherein the user equipment is the user equipment described in the first aspect or any one of the possible implementation manners of the first aspect;
  • the base station is the base station described in the second aspect or any one of the possible implementation manners of the second aspect;
  • the user equipment is the user equipment described in any one of the possible implementation manners of the third aspect or the third aspect;
  • the base station is the base station described in the fourth aspect or any one of the possible implementation manners of the fourth aspect.
  • the information transmission method, device, and system provided by the embodiment of the present invention generate, by the user equipment, the request information for requesting the allocation of the time-frequency resource to the base station, and the base station allocates the effective time-frequency resource to the user equipment according to the request information, and the user equipment
  • the discovery information is transmitted by using the allocated effective time-frequency resources. Since the time-frequency resources are uniformly allocated by the base station, the problem that the time-frequency resource allocation in the direct-through terminal technology is unreasonable is solved.
  • FIG. 1 is a schematic structural diagram of a user equipment according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a base station according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a user equipment according to another embodiment of the present invention
  • 4 is a schematic structural diagram of a base station according to another embodiment of the present invention
  • FIG. 5 is a schematic flowchart of an information transmission method according to an embodiment of the present invention
  • FIG. 6 is another information provided by an embodiment of the present invention.
  • FIG. 7 is a schematic flowchart of a method for transmitting information according to another embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a user plane protocol stack according to an embodiment of the present invention
  • a schematic structural diagram of a wireless communication system provided by an embodiment.
  • An embodiment of the present invention provides a user equipment, which is applied to a through terminal technology.
  • the user equipment 101 includes an obtaining unit 1011, a requesting unit 1012, a sending unit 1013, and a receiving unit 1014.
  • the obtaining unit 101 1 is configured to acquire discovery information, where the discovery information is information that the user equipment needs to send to other user equipments through direct communication between devices.
  • the requesting unit 1012 is configured to generate request information according to the discovery information acquired by the obtaining unit 101 1 , where the request information is used to request the base station to allocate a time-frequency resource for transmitting the discovery information to the user equipment.
  • the sending unit 1013 is configured to send the request information generated by the requesting unit 1012 to the base station.
  • the receiving unit 1014 is configured to receive resource information sent by the base station, where the resource information includes an effective time-frequency resource, where the effective time-frequency resource is a time-frequency resource allocated by the base station to the user equipment for sending the discovery information.
  • the sending unit 1013 is further configured to send the discovery information to the other user equipment by using the valid time-frequency resource received by the receiving unit 1014.
  • the user equipment provided by the embodiment of the present invention generates the discovery information, generates the request information according to the discovery information, sends the request information to the base station, receives the resource information sent by the base station, and sends the discovery information to the other user equipment by using the effective time-frequency resource, because The time-frequency resources are uniformly allocated by the base station, which solves the problem that the time-frequency resource allocation in the through-terminal technology is unreasonable.
  • the requesting unit 1012 is specifically configured to determine, according to the discovery information, a sending period of the discovery information and a sending duration of the discovery information, and generate request information, where the request information includes a sending period of the discovery information and a sending duration of the discovery information.
  • the resource information further includes a preset period and a preset duration, where the preset period and the preset duration are periods and durations of valid time-frequency resources allocated by the base station for the user equipment.
  • the sending unit 1013 is specifically configured to match the discovery information with the time-frequency resource of the discovery information, and send the discovery information to other user equipment according to the preset period and the preset duration.
  • the sending unit 1013 is configured to send the request information to the base station by carrying the request information in a RRC message or a buffer status report BSR message.
  • the user equipment provided by the embodiment of the present invention generates the discovery information, generates the request information according to the discovery information, sends the request information to the base station, receives the resource information sent by the base station, and sends the discovery information to the other user equipment by using the effective time-frequency resource, because The time-frequency resources are uniformly allocated by the base station, which solves the problem that the time-frequency resource allocation in the through-terminal technology is unreasonable.
  • An embodiment of the present invention provides a base station, which is applied to a through terminal technology.
  • the base station 201 includes a receiving unit 201 1 , an allocating unit 2012, and a sending unit 2013.
  • the receiving unit 201 1 is configured to receive request information sent by the user equipment, where the request information is used to request the base station to allocate time-frequency resources for sending the discovery information to the user equipment, where the discovery information is that the user equipment needs to directly communicate with each other through the device. Information sent by the user device.
  • the allocating unit 2012 is configured to allocate a time-frequency resource for transmitting the discovery information to the user equipment according to the request information received by the receiving unit 201 1 , and generate the resource information, where the resource information includes the effective time-frequency resource, and the effective time-frequency resource is the base station as the user.
  • the sending unit 2013 is configured to send the resource information generated by the allocating unit 2012 to the user equipment.
  • the base station provided by the embodiment of the present invention receives the request information sent by the user equipment, allocates time-frequency resources for transmitting the discovery information to the user equipment according to the request information, generates resource information, and sends the resource information to the user equipment, because the time-frequency The resources are uniformly allocated by the base station, which solves the problem that the time-frequency resource allocation in the direct-through terminal technology is unreasonable.
  • the request information includes a sending period of the discovery information and a sending duration of the discovery information.
  • the allocating unit 2012 is configured to allocate a time-frequency resource for sending the discovery information to the user equipment according to the request information, determine a preset period and a preset duration according to the sending period of the discovery information and the sending duration of the discovery information, and generate resource information,
  • the resource information includes a valid time-frequency resource, a preset period, and a preset duration.
  • the effective time-frequency resource is a time-frequency resource allocated by the base station to the user equipment for sending discovery information.
  • the preset period and the preset duration are allocated by the base station to the user equipment. The period and duration of the effective time-frequency resources.
  • the sending unit 2013 is configured to carry the resource information in the RRC message to the user equipment, or send the resource information on the physical downlink control channel PDCCH to the user equipment.
  • the base station provided by the embodiment of the present invention receives the request information sent by the user equipment, allocates time-frequency resources for transmitting the discovery information to the user equipment according to the request information, generates resource information, and sends the resource information to the user equipment, because the time-frequency The resources are uniformly allocated by the base station, which solves the problem that the time-frequency resource allocation in the direct-through terminal technology is unreasonable.
  • the device may be embedded or itself a microprocessor computer, such as a general-purpose computer, a custom machine, a mobile phone terminal, or a tablet device.
  • the user equipment 301 includes: at least one processor 3011, a memory 3012, a transmitter 3013, a receiver 3014, and a bus 3015.
  • the at least one processor 3011, the memory 3012, the transmitter 3013, and the receiver 3014 are connected and completed through a bus 3015. Communication with each other.
  • the bus 3015 may be an IS A (Industry Standard Architecture) bus, a PCI (Peripheral Component Interconnect) bus, or an EISA (Extended Industry Standard Architecture) bus.
  • the bus 3015 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 3, but it does not mean that there is only one bus or one type of bus. among them:
  • the memory 3012 is for executing application code of the inventive scheme, and the application code for executing the inventive scheme is stored in a memory and controlled by the processor 301 1 for execution.
  • the memory can be a read only memory ROM or other type of static storage device that can store static information and instructions, a random access memory RAM or a device that can store information and instructions.
  • His type of dynamic storage device can also be an electrically erasable programmable read only memory EEPROM, CD-ROM or other optical disc storage, optical disc storage (including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.) , a disk storage medium or other magnetic storage device, or any other medium that can be used to carry or store desired program code in the form of an instruction or data structure and that can be accessed by a computer, but is not limited thereto.
  • These memories are connected to the processor via a bus.
  • the processor 301 1 may be a central processing unit (CPU 1301), or an application specific integrated circuit (ASIC), or a device configured to implement the embodiment of the present invention. Or multiple integrated circuits.
  • CPU 1301 central processing unit
  • ASIC application specific integrated circuit
  • the processor 301 1 is configured to call the program code in the memory 3012. In a possible implementation manner, the following functions are implemented:
  • the processor 301 1 is configured to acquire discovery information, where the discovery information is information that the user equipment needs to send to other user equipments through direct communication between devices.
  • the processor 301 1 is further configured to generate request information according to the discovery information, where the request information is used to request the base station to allocate a time-frequency resource for transmitting the discovery information to the user equipment.
  • the transmitter 3013 is configured to send the request information generated by the processor 301 1 to the base station.
  • the receiver 3014 is configured to receive resource information sent by the base station, where the resource information includes a valid time-frequency resource, where the effective time-frequency resource is a time-frequency resource allocated by the base station to the user equipment for sending the discovery information.
  • the transmitter 3013 is further configured to send the discovery information to other user equipments through the valid time-frequency resources received by the receiver 3014.
  • the user equipment provided by the embodiment of the present invention generates the discovery information, generates the request information according to the discovery information, sends the request information to the base station, receives the resource information sent by the base station, and sends the discovery information to the other user equipment by using the effective time-frequency resource, because The time-frequency resources are uniformly allocated by the base station, which solves the problem that the time-frequency resource allocation in the through-terminal technology is unreasonable.
  • the processor 301 1 is specifically configured to determine, according to the discovery information, a sending period of the discovery information and a sending duration of the discovery information, and generate request information, where the request information includes a sending period of the discovery information and a sending duration of the discovery information.
  • the resource information also includes a preset period and a preset duration, and the preset period and the preset duration are base stations.
  • the transmitter 3013 is specifically configured to match the discovery information with the time-frequency resource of the discovery information, and send the discovery information to other user equipment according to the preset period and the preset duration.
  • the transmitter 3013 is configured to send the request information to the base station by carrying the request information in a radio resource control protocol RRC message or a buffer status report BSR message.
  • RRC radio resource control protocol
  • BSR buffer status report
  • the user equipment provided by the embodiment of the present invention generates the discovery information, generates the request information according to the discovery information, sends the request information to the base station, receives the resource information sent by the base station, and sends the discovery information to the other user equipment by using the effective time-frequency resource, because The time-frequency resources are uniformly allocated by the base station, which solves the problem that the time-frequency resource allocation in the through-terminal technology is unreasonable.
  • the device may be embedded or itself a microprocessor computer, such as a general-purpose computer, a custom machine, a mobile phone terminal, or a tablet device, such as a base station.
  • the 401 includes: at least one processor 4011, a memory 4012, a transmitter 4013, a receiver 4014, and a bus 4015.
  • the at least one processor 4011, the memory 4012, the transmitter 4013, and the receiver 4014 are connected by a bus 4015 and complete each other. Communication.
  • the bus 4015 may be an IS A (Industry Standard Architecture) bus, a PCI (Peripheral Component Interconnect) bus, or an EISA (Extended Industry Standard Architecture) bus.
  • the bus 4015 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 4, but it does not mean that there is only one bus or one type of bus. among them:
  • the memory 4012 is for executing application code of the inventive scheme, and the application code for executing the inventive scheme is stored in a memory and controlled by the processor 401 1 for execution.
  • the memory can be a read only memory ROM or other type of static storage device that can store static information and instructions, a random access memory RAM or other type of dynamic storage device that can store information and instructions, or can be electrically erasable or programmable.
  • These memories are connected to the processor via a bus.
  • the processor 401 1 may be a central processing unit (Central Processing Unit, abbreviated as CPU), or an Application Specific Integrated Circuit (ASIC), or one configured to implement the embodiment of the present invention. Or multiple integrated circuits.
  • CPU Central Processing Unit
  • ASIC Application Specific Integrated Circuit
  • the processor 401 1 is configured to call the program code in the memory 4012. In a possible implementation manner, the following functions are implemented:
  • the receiver 4014 is configured to receive request information sent by the user equipment, where the request information is used to request the base station to allocate a time-frequency resource for sending the discovery information to the user equipment, where the discovery information is that the user equipment needs to send the other user equipment through direct communication between the devices. Information.
  • the processor 4011 is configured to allocate a time-frequency resource for transmitting the discovery information to the user equipment according to the request information received by the receiver 4014, and generate resource information, where the resource information includes an effective time-frequency resource, and the effective time-frequency resource is a base station for the user.
  • the transmitter 4013 is further configured to send the resource information generated by the processor 401 1 to the user equipment.
  • the base station provided by the embodiment of the present invention receives the request information sent by the user equipment, allocates time-frequency resources for transmitting the discovery information to the user equipment according to the request information, generates resource information, and sends the resource information to the user equipment, because the time-frequency The resources are uniformly allocated by the base station, which solves the problem that the time-frequency resource allocation in the direct-through terminal technology is unreasonable.
  • the request information includes a sending period of the discovery information and a sending duration of the discovery information.
  • the processor 4011 is configured to allocate a time-frequency resource for sending the discovery information to the user equipment according to the request information, and determine a preset period and a preset duration according to the sending period of the discovery information and the sending duration of the discovery information, and generate resource information.
  • the resource information includes a valid time-frequency resource, a preset period, and a preset duration.
  • the effective time-frequency resource is a time-frequency resource allocated by the base station to the user equipment for sending the discovery message.
  • the preset period and the preset duration are the base station as the user.
  • the period and duration of the effective time-frequency resources allocated by the device are the base station as the user.
  • the transmitter 4013 is configured to: carry the resource information in the RRC message to the user equipment, or send the resource information on the physical downlink control channel PDCCH to the user equipment.
  • the base station provided by the embodiment of the present invention receives the request information sent by the user equipment, allocates time-frequency resources for transmitting the discovery information to the user equipment according to the request information, generates resource information, and sends the resource information to the user equipment, because the time-frequency The resources are uniformly allocated by the base station, which solves the problem that the time-frequency resource allocation in the direct-through terminal technology is unreasonable.
  • An embodiment of the present invention provides an information transmission method, which is applied to a through terminal technology. Referring to FIG. 5, the method includes the following steps:
  • the user equipment obtains discovery information.
  • the discovery information is information that the user equipment needs to send to other user equipment through direct communication between devices.
  • the user equipment generates request information according to the discovery information.
  • the request information is used to request the base station to allocate a time-frequency resource for sending the discovery information to the user equipment.
  • the request information includes a sending period and a sending duration.
  • the sending period represents a frequency of sending the discovery information, that is, a period is sent once, and the sending duration is all time required to send the discovery information according to the sending period. .
  • the request information may include multiple requests for discovery information, and each discovery information has different sending periods and sending durations. Or multiple discovery messages have the same transmission period and the same transmission duration.
  • the user equipment sends the request information to the base station.
  • the user equipment sends the request information to an RRC (Radio Resource Control Protocol) message or a BSR (Buffer Status Report) message to the base station.
  • RRC Radio Resource Control Protocol
  • BSR Buffer Status Report
  • the user equipment receives resource information sent by the base station.
  • the resource information includes a valid time-frequency resource, and the effective time-frequency resource is a time-frequency resource allocated by the base station to the user equipment for sending discovery information.
  • the resource information may further include a preset period and a preset duration, where the preset period and the preset duration are periods and durations of valid time-frequency resources allocated by the base station for the user equipment.
  • the preset period represents the frequency of sending the discovery information in the valid time-frequency resource, that is, once in a period
  • the preset duration represents the time for sending the discovery information according to the preset period in the valid time-frequency resource, for example, the sending period is 1 second. Is sent once a second
  • the discovery information, sent for 500 seconds means that the discovery information is sent once every second for 500 seconds.
  • the user equipment sends the discovery information to the other user equipment by using the effective time-frequency resource.
  • the user equipment matches the discovery information with the valid time-frequency resource, and sends the discovery information to other user equipment after the matching is completed.
  • the request information includes multiple requests for discovery information
  • Matching, the preset period and the preset duration sent by the base station are generated according to the sending period of the discovery information included in the request information and the sending duration of the discovery information, if the preset period and the preset duration and the sending period of the discovery information and the discovery information
  • the transmission durations are the same, and it can be determined that the effective time-frequency resources and the discovery information correspond to each other.
  • the difference between the preset period and the preset duration and the transmission period of the discovery information and the transmission duration of the discovery information is the smallest, the valid time-frequency resource and the discovery information correspond to each other.
  • the request information includes a request for multiple discovery information, and an identifier is added for each discovery information, and the effective time-frequency resource allocated for the discovery information has the same identifier as the discovery information, so that the discovery information with the same identifier and the effective time-frequency Resources are mutually corresponded to achieve a match between effective time-frequency resources and discovery information.
  • the user equipment determines, according to the effective time-frequency resource, a time-frequency resource that needs to be used for sending the discovery information, where the resource information may further include a preset period and a preset duration, and the user equipment follows the preset period and the preset duration in the effective time-frequency.
  • the resource sends discovery information.
  • the information transmission method provided by the embodiment of the present invention acquires the discovery information by using the user equipment, generates the request information according to the discovery information, sends the request information to the base station, receives the resource information sent by the base station, and sends the discovery to other user equipment by using the effective time-frequency resource.
  • Information because the time-frequency resources are uniformly allocated by the base station, solving the problem that the time-frequency resource allocation in the through-terminal technology is unreasonable.
  • An embodiment of the present invention provides another information transmission method, which is applied to a through terminal technology. Referring to FIG. 6, the method includes the following steps:
  • the base station receives the request information sent by the user equipment.
  • the request information includes a sending period of the discovery information and a sending duration of the discovery information, where the discovery information is that the user equipment needs to provide other users through direct communication between devices.
  • the information to be sent, the sending period represents the frequency at which the discovery information is sent, that is, one period is sent once, and the sending duration is the length of time during which the discovery information is sent according to the sending period.
  • the base station allocates time-frequency resources for transmitting the discovery information to the user equipment according to the request information, and generates resource information.
  • the resource information includes a valid time-frequency resource, and the effective time-frequency resource is a time-frequency resource allocated by the base station to the user equipment for sending discovery information.
  • the base station allocates valid time-frequency resources to the user equipment in idle time-frequency resources.
  • the base station allocates time-frequency resources to each terminal according to the request information of each terminal, and determines a preset of each terminal according to the sending period and the sending duration in the request information.
  • the period and the preset duration are generated, and resource information is generated, where the resource information includes an effective time-frequency resource, a preset period, and a preset duration.
  • the base station sends the resource information to the user equipment.
  • the base station sends the resource information to the user equipment in the RRC message, or carries the resource information on the PDCCH (Physical Downlink Control Channel) to the user equipment.
  • PDCCH Physical Downlink Control Channel
  • the information transmission method provided by the embodiment of the present invention receives the request information sent by the user equipment by using the base station, allocates time-frequency resources for transmitting the discovery information to the user equipment according to the request information, generates resource information, and sends the resource information to the user equipment. Since the time-frequency resources are uniformly allocated by the base station, the problem that the time-frequency resource allocation in the direct-through terminal technology is unreasonable is solved.
  • another embodiment of the present invention provides an information transmission method, which is applied to a direct-through terminal technology, optionally, to an LTE (Long Term Evolution) system, and LTE.
  • LTE Long Term Evolution
  • the cellular through terminal can directly communicate using the resources of the LTE system. Referring to Figure 7, the following steps are included:
  • the user equipment acquires discovery information.
  • the discovery information is information that the user equipment needs to send through direct communication between devices.
  • the adjacent service layer is added corresponding to the user plane protocol stack structure, and the adjacent service layer is an interface layer between the application layer and the user access network, and the application in the user equipment needs to be connected to the cellular structure.
  • the other terminal directly sends a message, here is the discovery information, and the discovery information is sent to the adjacent service layer, and the service layer generates the request information according to the discovery information, where
  • the user equipment is a cellular through terminal in the LTE system.
  • the user equipment generates request information according to the discovery information.
  • the request information may include a plurality of requests for discovering information.
  • the request information includes the number of discovery information, a sending period of each discovery information, and a sending duration.
  • the user equipment sends the request information to the base station.
  • the RRC layer of the user equipment may send the request information to the base station in the RRC setup request, or wait for the RRC link between the user equipment and the base station to send the request information to the base station. .
  • the RRC link remains in the persistent connection state, and the request information is sent to the MAC (Media Access Control) layer.
  • the request information may be It is carried in the BSR (Buffer Status Report) and sent to the base station.
  • the base station allocates a time-frequency resource for sending the discovery information to the user equipment according to the request information, and generates resource information.
  • the resource information includes a valid time-frequency resource, and the effective time-frequency resource is a time-frequency resource allocated by the base station to the user equipment for sending discovery information.
  • the base station allocates valid time-frequency resources for each discovery information in the request information in the idle time-frequency resource, and determines a preset of each discovery information according to the sending period of each discovery information and the sending duration of the discovery information.
  • the period and the preset duration are generated, and resource information is generated, where the resource information includes an effective time-frequency resource, a preset period, and a preset duration.
  • the base station sends the resource information to the user equipment.
  • the user equipment sends the discovery information to the other user equipment by using the effective time-frequency resource.
  • the user equipment matches the discovery information with the valid time-frequency resource, and sends the discovery information to other user equipment after the matching is completed.
  • the preset period and the preset duration sent by the base station are generated according to the sending period and the sending duration included in the request information, if valid.
  • the preset period of the time-frequency resource and the preset duration are the same as the sending period of the discovery information and the sending duration of the discovery information, respectively, and the effective time-frequency resource and the discovery may be determined.
  • the information corresponds to each other.
  • the preset period of the effective time-frequency resource and the preset duration are the smallest difference between the transmission period of the discovery information and the transmission duration of the discovery information, the valid time-frequency resource and the discovery information correspond to each other.
  • the preset period and the preset duration are three effective time-frequency resources and the transmission period and the transmission duration of "1 second, 100 seconds", “2 seconds, 500 seconds", “3 seconds, 1500 seconds” respectively.
  • the effective time-frequency resources of the preset period and the preset duration of "1 second, 100 seconds” are the three discovery information of 1.2 seconds, 120 seconds ", "2.5 seconds, 600 seconds", “3.5 seconds, 1800 seconds”.
  • the discovery information of the transmission period and the transmission duration of "1.2 seconds, 120 seconds” corresponds to each other because the difference between the two is the smallest, that is, the two are closest.
  • the request information includes a request for multiple discovery information, and an identifier is added for each discovery information, and the effective time-frequency resource allocated for the discovery information has the same identifier as the discovery information, so that the discovery information with the same identifier and the effective time-frequency Resources are mutually corresponded to achieve a match between effective time-frequency resources and discovery information.
  • the neighboring service layer sends the discovery information to the MAC layer of the user equipment, and then sends it to other terminals through the PHY (Physical Layer).
  • PHY Physical Layer
  • the user equipment matches each discovery information with a corresponding resource in the effective time-frequency resource, which prevents multiple user equipments from simultaneously selecting the same time-frequency resource, resulting in unreasonable time-frequency resource allocation and incorrect message transmission. Further, the user equipment sends the discovery information according to a preset period of each discovery information and a preset duration.
  • the information transmission method provided by the embodiment of the present invention generates, by the user equipment, a request information for requesting allocation of time-frequency resources to the base station, and the base station allocates valid time-frequency resources to the user equipment according to the request information, and the user equipment reuses the effective time of the allocation.
  • the frequency resource transmits the discovery information, and the time-frequency resource is uniformly allocated by the base station, which solves the problem that the time-frequency resource allocation in the through-terminal technology is unreasonable.
  • Embodiments of the present invention provide a wireless communication system.
  • the wireless communication system 901 includes at least one base station 901 1 and at least one user equipment 9012.
  • the user equipment 9012 is the user equipment described in the embodiment corresponding to FIG. 1 , and is used to perform the information transmission method described in the foregoing embodiment corresponding to FIG. 5 , where the base station 901 1 is described in the corresponding embodiment in FIG. 2 . a base station, configured to perform the foregoing description in the corresponding embodiment of FIG. Information transmission method.
  • the user equipment 9012 is the user equipment described in the embodiment corresponding to FIG. 3, and is used to perform the information transmission method described in the foregoing embodiment corresponding to FIG. 5.
  • the base station 901 1 is described in the corresponding embodiment of FIG.
  • the base station is configured to perform the information transmission method described in the foregoing embodiment corresponding to FIG. 6.
  • the wireless communication system provided by the embodiment of the present invention generates, by the user equipment, a request information for requesting allocation of time-frequency resources to the base station, and the base station allocates valid time-frequency resources to the user equipment according to the request information, and the user equipment reuses the effective time of the allocation.
  • the frequency resource transmits the discovery information, and the time-frequency resource is uniformly allocated by the base station, which solves the problem that the time-frequency resource allocation in the through-terminal technology is unreasonable.
  • Computer readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one location to another.
  • a storage medium may be any available media that can be accessed by a computer.
  • the computer readable medium may include RAM (Random Access Memory), ROM (Read Only Memory), and EEPROM (Electrically Erasable Programmable Read Only Memory).
  • CD-ROM Compact Disc Read Only Memory
  • CD-ROM Compact Disc Read Only Memory
  • disk storage media or other magnetic storage device, or can be used to carry or store desired programs in the form of instructions or data structures.
  • Any connection may suitably be a computer readable medium.
  • coaxial cable, fiber optic cable, twisted pair, DSL (Digital Subscriber Line), or wireless technologies such as infrared, radio, and microwave coaxial cable, fiber optic cable, twisted pair, DSL or wireless technologies such as infrared, wireless and microwave are included in the fixing of the associated medium.
  • the disc and the disc include a CD (Compact Disc), a laser disc, a disc, a DVD disc (Digital Versatile Disc), a floppy disk, and a Blu-ray disc.
  • the disc is usually magnetically replicated, while the disc uses a laser to optically replicate the data. Combinations of the above should also be included within the scope of the computer readable media.

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Abstract

本发明公开了一种信息传输方法、设备及系统，涉及通信领域，能够解决直通终端技术中时频资源分配不合理的问题。具体方案为：用户设备获取发现信息，根据发现信息生成请求信息，将请求信息发送至基站，接收基站发送的资源信息，根据资源信息中包含的有效时频资源向其他用户设备发送发现信息。本发明用于信息传输。

Description

一种信息传输方法、 设备及系统
技术领域
本发明涉及通信领域， 尤其涉及一种信息传输方法、 设备及系统。 背景技术
D2D ( Device to Device, 直通终端） 能够使用户设备同时进行蜂窝通 信和用户设备间的直通通信。 目前， 社交网络、 用户近距离数据共享等应 用的开发使得人们对 D2D技术的需求逐渐增加， 而且， D2D技术的广泛 应用能够在一定程度上解决无线通信系统的频谱资源匮乏的问题， 还能减 少小区网络负载。
但是， 现有技术中， 用户设备在发现信息时， 需要对其所对应的时频 资源集进行侦听， 并选择未被占用的时频资源， 这很容易导致同样的时频 资源会同时被多个用户设备选择， 使得信 ,包、无法正确传输。
发明内容
本发明的实施例提供一种信息传输方法、 设备及系统， 能够解决直通 终端技术中时频资源分配不合理的问题。
为达到上述目的， 本发明的实施例采用如下技术方案：
第一方面， 一种用户设备， 应用于直通终端技术， 包括：
获取单元， 用于获取发现信息， 所述发现信息为所述用户设备需要通 过设备间直接通信向其他用户设备发送的信息；
请求单元， 用于根据所述获取单元获取的所述发现信息生成请求信 息， 所述请求信息用于请求基站为所述用户设备分配用于发送所述发现信 息的时频资源；
发送单元， 用于将所述请求单元生成的所述请求信息发送至所述基 站；
接收单元， 用于接收所述基站发送的资源信息， 所述资源信息包括所 述有效时频资源， 所述有效时频资源是所述基站为所述用户设备分配的用 于发送所述发现信息的时频资源；
所述发送单元，还用于通过所述接收单元接收的所述有效时频资源向 所述其他用户设备发送所述发现信息。 结合第一方面， 在第一种可能的实现方式中，
所述请求单元，具体用于根据所述发现信息确定所述发现信息的发送 周期及所述发现信息的发送时长， 并生成所述请求信息， 所述请求信息包 括所述发现信息的发送周期及所述发现信息的发送时长。
结合第一方面的第一种可能的实现方式， 在第二种可能的实现方式 中，
所述资源信息还包括预设周期和预设时长， 所述预设周期和预设时长 是所述基站为所述用户设备分配的所述有效时频资源占用的周期和时长； 所述发送单元，具体用于将所述发现信息与所述发现信息的时频资源 进行匹配， 并按照所述预设周期和所述预设时长向所述其他用户设备发送 所述发现信息。
结合第一方面至第一方面的第二种可能的实现方式中任一实现方式， 在第三种可能的实现方式中，
所述发送单元， 具体用于将所述请求信息携带在无线资源控制协议
RRC消息或者緩冲状态报告 BSR消息中发送至所述基站。
第二方面， 一种基站， 应用于直通终端技术， 包括：
接收单元， 用于接收用户设备发送的请求信息， 所述请求信息用于请 求所述基站为所述用户设备分配用于发送发现信息的时频资源， 所述发现 信息为所述用户设备需要通过设备间直接通信向其他用户设备发送的信 息；
分配单元，用于根据所述接收单元接收的所述请求信息为所述用户设 备分配用于发送所述发现信息的时频资源， 并生成资源信息， 所述资源信 息包括所述有效时频资源， 所述有效时频资源是所述基站为所述用户设备 分配的用于发送所述发现信息的时频资源；
发送单元，用于将所述分配单元生成的所述资源信息发送至所述用户 设备。
结合第二方面， 在第一种可能的实现方式中，
所述请求信息包括所述发现信息的发送周期及所述发现信息的发送 时长； 所述分配单元，具体用于根据所述请求信息为所述用户设备分配用于 发送所述发现信息的时频资源， 根据所述发现信息的发送周期和所述发现 信息的发送时长确定预设周期和预设时长， 并生成所述资源信息， 所述资 源信息包括所述有效时频资源、 所述预设周期及所述预设时长， 所述有效 时频资源是所述基站为所述用户设备分配的用于发送所述发现信息的时频 资源； 所述预设周期和预设时长是所述基站为所述用户设备分配的所述有 效时频资源占用的周期和时长。
结合第二方面或第二方面的第一种可能的实现方式，在第二种可能的 实现方式中，
所述发送单元， 具体用于将所述资源信息携带在无线资源控制协议
RRC消息中发送至所述用户设备， 或者将所述资源信息承载在物理下行控 制信道 PDCCH上发送至所述用户设备。
第三方面， 一种用户设备， 其特征在于， 应用于直通终端技术， 包括 处理器、 存储器、 发射器、 接收器及总线， 所述处理器、 所述存储器、 所 述发射器及所述接收器通过所述总线相互连接；
其中， 所述处理器， 用于获取发现信息， 所述发现信息为所述用户 设备需要通过设备间直接通信向其他用户设备发送的信息；
所述处理器， 还用于根据所述发现信息生成请求信息， 所述请求信息 用于请求基站为所述用户设备分配用于发送所述发现信息的时频资源； 所述发射器， 用于所述处理器生成的所述请求信息发送至所述基站； 所述接收器， 用于接收所述基站发送的资源信息， 所述资源信息包括 所述有效时频资源， 所述有效时频资源是所述基站为所述用户设备分配的 用于发送所述发现信息的时频资源；
所述发射器，还用于通过所述接收器接收的所述有效时频资源向所述 其他用户设备发送所述发现信息。
结合第三方面， 在第一种可能的实现方式中，
所述处理器，具体用于根据所述发现信息确定所述发现信息的发送周 期及所述发现信息的发送时长， 并生成所述请求信息， 所述请求信息包括 所述发现信息的发送周期及所述发现信息的发送时长。 结合第三面的第一种可能的实现方式， 在第二种可能的实现方式中， 所述资源信息还包括预设周期和预设时长， 所述预设周期和预设时长 是所述基站为所述用户设备分配的所述有效时频资源占用的周期和时长； 所述发射器，具体用于将所述发现信息与所述发现信息的时频资源进 行匹配， 并按照所述预设周期和所述预设时长向所述其他用户设备发送所 述发现信息。
结合第三方面至第三方面的第二种可能的实现方式中任一实现方式， 在第三种可能的实现方式中，
所述发射器，具体用于将所述请求信息携带在无线资源控制协议 RRC 消息或者緩冲状态报告 BSR消息中发送至所述基站。
第四方面， 一种基站， 应用于直通终端技术， 包括处理器、 存储器、 发射器、 接收器及总线， 所述处理器、 所述存储器、 所述发射器及所述接 收器通过所述总线相互连接；
其中， 所述接收器， 用于接收用户设备发送的请求信息， 所述请求信 息用于请求所述基站为所述用户设备分配用于发送发现信息的时频资源， 所述发现信息为所述用户设备需要通过设备间直接通信向其他用户设备发 送的信息；
所述处理器，用于根据所述接收器接收的所述请求信息为所述用户设 备分配用于发送所述发现信息的时频资源， 并生成资源信息， 所述资源信 息包括所述有效时频资源， 所述有效时频资源是所述基站为所述用户设备 分配的用于发送所述发现信息的时频资源；
所述发射器，用于将所述处理器生成的所述资源信息发送至所述用户 设备。
结合第四方面， 在第一种可能的实现方式中，
所述请求信息包括所述发现信息的发送周期及所述发现信息的发送 时长；
所述处理器，具体用于根据所述请求信息为所述用户设备分配用于发 送所述发现信息的时频资源， 根据所述发现信息的发送周期和所述发现信 息的发送时长确定预设周期和预设时长， 并生成所述资源信息， 所述资源 信息包括所述有效时频资源、 所述预设周期及所述预设时长， 所述有效时 频资源是所述基站为所述用户设备分配的用于发送所述发现信息的时频资 源； 所述预设周期和预设时长是所述基站为所述用户设备分配的所述有效 时频资源占用的周期和时长。
结合第四方面或第四方面的第一种可能的实现方式，在第二种可能的 实现方式中，
所述发射器，具体用于将所述资源信息携带在无线资源控制协议 RR C 消息中发送至所述用户设备， 或者将所述资源信息承载在物理下行控制信 道 PDCCH上发送至所述用户设备。
第五方面， 一种信息传输方法， 应用于直通终端技术， 包括： 用户设备获取发现信息，所述发现信息为所述用户设备需要通过设备 间直接通信向其他用户设备发送的信息；
所述用户设备根据所述发现信息生成请求信息，所述请求信息用于请 求基站为所述用户设备分配用于发送所述发现信息的时频资源；
所述用户设备将所述请求信息发送至所述基站；
所述用户设备接收所述基站发送的资源信息，所述资源信息包括所述 有效时频资源， 所述有效时频资源是所述基站为所述用户设备分配的用于 发送所述发现信息的时频资源；
所述用户设备利用所述有效时频资源向所述其他用户设备发送所述 发现信息。
结合第五方面， 在第一种可能的实现方式中， 所述用户设备根据所述 发现信息生成请求信息， 包括：
所述用户设备根据所述发现信息确定所述发现信息的发送周期及所 述发现信息的发送时长， 并生成所述请求信息， 所述请求信息包括所述发 现信息的发送周期及所述发现信息的发送时长。
结合第五方面的第一种可能的实现方式， 在第二种可能的实现方式 中，
所述资源信息还包括预设周期和预设时长， 所述预设周期和预设时长 是所述基站为所述用户设备分配的所述有效时频资源占用的周期和时长； 所述用户设备利用所述有效时频资源向所述其他用户设备发送所述 发现信息， 包括：
所述用户设备将所述发现信息与所述发现信息的时频资源进行匹配， 并按照所述预设周期和所述预设时长向所述其他用户设备发送所述发现信 息。
结合第五方面至第五方面的第二种可能的实现方式中任一实现方式， 在第三种可能的实现方式中， 所述用户设备将所述请求信息发送至基站， 包括：
所述用户设备将所述请求信息携带在无线资源控制协议 RRC消息或 者緩冲状态报告 B S R消息中发送至所述基站。
第六方面， 一种信息传输方法， 应用于直通终端技术， 包括： 基站接收用户设备发送的请求信息，所述请求信息用于请求所述基站 为所述用户设备分配用于发送发现信息的时频资源， 所述发现信息为所述 用户设备需要通过设备间直接通信向其他用户设备发送的信息；
所述基站根据所述请求信息为所述用户设备分配用于发送所述发现 信息的时频资源， 并生成资源信息， 所述资源信息包括所述有效时频资源， 所述有效时频资源是所述基站为所述用户设备分配的用于发送所述发现信 息的时频资源；
所述基站将所述资源信息发送至所述用户设备。
结合第六方面， 在第一种可能的实现方式中，
所述请求信息包括所述发现信息的发送周期及所述发现信息的发送 时长；
所述基站根据所述请求信息为所述用户设备分配用于发送所述发现 信息的时频资源， 并生成资源信息， 包括：
所述基站根据所述请求信息为所述用户设备分配用于发送所述发现 信息的时频资源， 根据所述发现信息的发送周期和所述发现信息的发送时 长确定预设周期和预设时长， 并生成所述资源信息， 所述资源信息包括所 述有效时频资源、 所述预设周期及所述预设时长， 所述有效时频资源是所 述基站为所述用户设备分配的用于发送所述发现信息的时频资源； 所述预 设周期和预设时长是所述基站为所述用户设备分配的所述有效时频资源占 用的周期和时长。
结合第六方面或第六方面的第一种可能的实现方式，在第二种可能的 实现方式中， 所述基站将所述资源信息发送至所述用户设备， 包括：
所述基站将所述资源信息携带在无线资源控制协议 RRC消息中发送 至所述用户设备， 或者将所述资源信息承载在物理下行控制信道 PDCCH 上发送至所述用户设备。
第七方面， 一种无线通信系统， 其特征在于， 包括： 用户设备及基站； 其中，所述用户设备为第一方面或第一方面的任意一种可能的实现方 式中所描述的用户设备；
所述基站为第二方面或第二方面的任意一种可能的实现方式中所描 述的基站；
或者，所述用户设备为第三方面或第三方面的任意一种可能的实现方 式中所描述的用户设备；
所述基站为第四方面或第四方面的任意一种可能的实现方式中所描 述的基站。
本发明的实施例提供的一种信息传输方法、 设备及系统， 通过用户设 备生成并向基站发送请求分配时频资源的请求信息， 由基站根据请求信息 为用户设备分配有效时频资源， 用户设备再利用分配的有效时频资源发送 发现信息， 由于时频资源由基站统一分配， 解决了直通终端技术中时频资 源分配不合理的问题。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案， 下面将对 实施例描述中所需要使用的附图作简单地介绍， 显而易见地， 下面描述中 的附图仅仅是本发明的一些实施例， 对于本领域普通技术人员来讲， 在不 付出创造性劳动的前提下， 还可以根据这些附图获得其他的附图。
图 1为本发明的实施例提供的一种用户设备结构示意图；
图 2为本发明的实施例提供的一种基站结构示意图；
图 3为本发明的另一实施例提供的一种用户设备结构示意图； 图 4为本发明的另一实施例提供的一种基站结构示意图； 图 5为本发明的实施例提供的一种信息传输方法流程示意图； 图 6为本发明的实施例提供的另一种信息传输方法流程示意图； 图 7为本发明的另一实施例提供的一种信息传输方法流程示意图； 图 8为本发明的实施例提供的一种用户面协议栈结构示意图； 图 9为本发明的实施例提供的一种无线通信系统结构示意图。
具体实施方式
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， 都属于本发明保护的 范围。
本发明的实施例提供一种用户设备， 应用于直通终端技术， 参照图 1 所示， 该用户设备 101包括获取单元 101 1、请求单元 1012、发送单元 1013 及接收单元 1014。
其中， 获取单元 101 1 , 用于获取发现信息， 发现信息为用户设备需 要通过设备间直接通信向其他用户设备发送的信息。
请求单元 1012 , 用于根据获取单元 101 1获取的发现信息生成请求信 息，请求信息用于请求基站为用户设备分配用于发送发现信息的时频资源。
发送单元 1013 , 用于将请求单元 1012生成的请求信息发送至基站。 接收单元 1014 , 用于接收基站发送的资源信息， 资源信息包括有效 时频资源， 有效时频资源是基站为用户设备分配的用于发送发现信息的时 频资源。
发送单元 1013 , 还用于通过接收单元 1014接收的有效时频资源向其 他用户设备发送发现信息。
本发明的实施例提供的用户设备， 通过获取发现信息， 根据发现信息 生成请求信息， 将请求信息发送至基站， 接收基站发送的资源信息， 利用 有效时频资源向其他用户设备发送发现信息， 由于时频资源由基站统一分 配， 解决了直通终端技术中时频资源分配不合理的问题。 可选的， 请求单元 1012 , 具体用于根据发现信息确定发现信息的发 送周期及发现信息的发送时长， 并生成请求信息， 请求信息包括发现信息 的发送周期及发现信息的发送时长。
资源信息还包括预设周期和预设时长，预设周期和预设时长是基站为 用户设备分配的有效时频资源占用的周期和时长。
发送单元 1013 , 具体用于将将发现信息与发现信息的时频资源进行 匹配， 并按照预设周期和预设时长向其他用户设备发送发现信息。
可选的， 发送单元 1013 , 具体用于将请求信息携带在无线资源控制 协议 RRC消息或者緩冲状态报告 BSR消息中发送至基站。
本发明的实施例提供的用户设备， 通过获取发现信息， 根据发现信息 生成请求信息， 将请求信息发送至基站， 接收基站发送的资源信息， 利用 有效时频资源向其他用户设备发送发现信息， 由于时频资源由基站统一分 配， 解决了直通终端技术中时频资源分配不合理的问题。
本发明的实施例提供一种基站，应用于直通终端技术，参照图 2所示， 该基站 201 包括接收单元 201 1、 分配单元 2012及发送单元 2013。
其中， 接收单元 201 1 , 用于接收用户设备发送的请求信息， 请求信 息用于请求基站为用户设备分配用于发送发现信息的时频资源， 发现信息 为用户设备需要通过设备间直接通信向其他用户设备发送的信息。
分配单元 2012 , 用于根据接收单元 201 1接收的请求信息为用户设备 分配用于发送发现信息的时频资源， 并生成资源信息， 资源信息包括有效 时频资源， 有效时频资源是基站为用户设备分配的用于发送发现信息的时 频资源。
发送单元 2013 , 用于将分配单元 2012生成的资源信息发送至用户设 备。
本发明的实施例提供的基站， 通过接收用户设备发送的请求信息， 根 据请求信息为用户设备分配用于发送发现信息的时频资源，生成资源信息， 将资源信息发送至用户设备， 由于时频资源由基站统一分配， 解决了直通 终端技术中时频资源分配不合理的问题。
可选的， 请求信息包括发现信息的发送周期及发现信息的发送时长。 分配单元 2012 , 具体用于根据请求信息为用户设备分配用于发送发 现信息的时频资源， 根据发现信息的发送周期和发现信息的发送时长确定 预设周期和预设时长， 并生成资源信息， 资源信息包括有效时频资源、 预 设周期及预设时长， 有效时频资源是基站为用户设备分配的用于发送发现 信息的时频资源； 预设周期和预设时长是基站为用户设备分配的有效时频 资源占用的周期和时长。
可选的， 发送单元 2013 , 具体用于将资源信息携带在无线资源控制 协议 RRC消息中发送至用户设备，或者将资源信息承载在物理下行控制信 道 PDCCH上发送至用户设备。
本发明的实施例提供的基站， 通过接收用户设备发送的请求信息， 根 据请求信息为用户设备分配用于发送发现信息的时频资源，生成资源信息， 将资源信息发送至用户设备， 由于时频资源由基站统一分配， 解决了直通 终端技术中时频资源分配不合理的问题。
本发明的另一实施例提供一种用户设备 301 , 参照图 3所示， 该设备 可以嵌入或本身就是微处理计算机， 比如： 通用计算机、 客户定制机、 手 机终端或平板机等便携设备，该用户设备 301 包括：至少一个处理器 301 1、 存储器 3012、 发射器 3013、 接收器 3014和总线 3015 , 该至少一个处理器 301 1、 存储器 3012、 发射器 3013和接收器 3014通过总线 3015连接并完 成相互间的通信。
该总线 3015可以是 IS A ( Industry Standard Architecture , 工业标准体 系结构） 总线、 PCI ( Peripheral Component, 夕卜部设备互连） 总线或 EISA ( Extended Industry Standard Architecture, 扩展工业标准体系结构 ) 总线 等。 该总线 3015可以分为地址总线、数据总线、控制总线等。 为便于表示， 图 3中仅用一条粗线表示， 但并不表示仅有一根总线或一种类型的总线。 其中：
存储器 3012用于执行本发明方案的应用程序代码， 执行本发明方案 的应用程序代码保存在存储器中， 并由处理器 301 1来控制执行。
该存储器可以是只读存储器 ROM 或可存储静态信息和指令的其他 类型的静态存储设备， 随机存取存储器 RAM 或者可存储信息和指令的其 他类型的动态存储设备， 也可以是电可擦可编程只读存储器 EEPROM、 只 读光盘 CD-ROM或其他光盘存储、 光碟存储（包括压缩光碟、 激光碟、 光 碟、 数字通用光碟、 蓝光光碟等） 、 磁盘存储介质或者其他磁存储设备、 或者能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能 够由计算机存取的任何其他介质， 但不限于此。 这些存储器通过总线与处 理器相连接。
处理器 301 1可能是一个中央处理器 301 1 ( Central Processing Unit, 简称为 CPU ) ,或者是特定集成电路（ Application Specific Integrated Circuit, 简称为 ASIC ) ,或者是被配置成实施本发明实施例的一个或多个集成电路。
处理器 301 1 , 用于调用存储器 3012中的程序代码， 在一种可能的实 施方式中， 实现如下功能：
处理器 301 1 , 用于获取发现信息， 发现信息为用户设备需要通过设 备间直接通信向其他用户设备发送的信息。
处理器 301 1 , 还用于根据发现信息生成请求信息， 请求信息用于请 求基站为用户设备分配用于发送发现信息的时频资源。
发射器 3013 , 用于将处理器 301 1生成的请求信息发送至基站。
接收器 3014 , 用于接收基站发送的资源信息， 资源信息包括有效时 频资源， 有效时频资源是基站为用户设备分配的用于发送发现信息的时频 资源。
发射器 3013 , 还用于通过接收器 3014接收的有效时频资源向其他用 户设备发送发现信息。
本发明的实施例提供的用户设备， 通过获取发现信息， 根据发现信息 生成请求信息， 将请求信息发送至基站， 接收基站发送的资源信息， 利用 有效时频资源向其他用户设备发送发现信息， 由于时频资源由基站统一分 配， 解决了直通终端技术中时频资源分配不合理的问题。
可选的， 处理器 301 1 , 具体用于根据发现信息确定发现信息的发送 周期及发现信息的发送时长， 并生成请求信息， 请求信息包括发现信息的 发送周期及发现信息的发送时长。
资源信息还包括预设周期和预设时长，预设周期和预设时长是基站为 用户设备分配的有效时频资源占用的周期和时长。
发射器 3013 , 具体用于将发现信息与发现信息的时频资源进行匹配， 并按照预设周期和预设时长向其他用户设备发送发现信息。
可选的， 发射器 3013 , 具体用于将请求信息携带在无线资源控制协 议 RRC消息或者緩冲状态报告 BSR消息中发送至基站。
本发明的实施例提供的用户设备， 通过获取发现信息， 根据发现信息 生成请求信息， 将请求信息发送至基站， 接收基站发送的资源信息， 利用 有效时频资源向其他用户设备发送发现信息， 由于时频资源由基站统一分 配， 解决了直通终端技术中时频资源分配不合理的问题。
本发明的另一实施例提供一种基站 401 , 参照图 4所示， 该设备可以 嵌入或本身就是微处理计算机， 比如： 通用计算机、 客户定制机、 手机终 端或平板机等便携设备， 该基站 401 包括： 至少一个处理器 401 1、 存储器 4012、 发射器 4013、 接收器 4014和总线 4015 , 该至少一个处理器 401 1、 存储器 4012、 发射器 4013和接收器 4014通过总线 4015连接并完成相互 间的通信。
该总线 4015可以是 IS A ( Industry Standard Architecture , 工业标准体 系结构） 总线、 PCI ( Peripheral Component, 夕卜部设备互连） 总线或 EISA ( Extended Industry Standard Architecture, 扩展工业标准体系结构 ) 总线 等。 该总线 4015可以分为地址总线、数据总线、控制总线等。 为便于表示， 图 4中仅用一条粗线表示， 但并不表示仅有一根总线或一种类型的总线。 其中：
存储器 4012用于执行本发明方案的应用程序代码， 执行本发明方案 的应用程序代码保存在存储器中， 并由处理器 401 1来控制执行。
该存储器可以是只读存储器 ROM 或可存储静态信息和指令的其他 类型的静态存储设备， 随机存取存储器 RAM 或者可存储信息和指令的其 他类型的动态存储设备， 也可以是电可擦可编程只读存储器 EEPROM、 只 读光盘 CD-ROM或其他光盘存储、 光碟存储（包括压缩光碟、 激光碟、 光 碟、 数字通用光碟、 蓝光光碟等） 、 磁盘存储介质或者其他磁存储设备、 或者能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能 够由计算机存取的任何其他介质， 但不限于此。 这些存储器通过总线与处 理器相连接。
处理器 401 1可能是一个中央处理器 401 1 ( Central Processing Unit, 简称为 CPU ) ,或者是特定集成电路（ Application Specific Integrated Circuit, 简称为 ASIC ) ,或者是被配置成实施本发明实施例的一个或多个集成电路。
处理器 401 1 , 用于调用存储器 4012中的程序代码， 在一种可能的实 施方式中， 实现如下功能：
接收器 4014 , 用于接收用户设备发送的请求信息， 请求信息用于请 求基站为用户设备分配用于发送发现信息的时频资源， 发现信息为用户设 备需要通过设备间直接通信向其他用户设备发送的信息。
处理器 401 1 , 用于根据接收器 4014接收的请求信息为用户设备分配 用于发送发现信息的时频资源， 并生成资源信息， 资源信息包括有效时频 资源， 有效时频资源是基站为用户设备分配的用于发送发现信息的时频资 源。
发射器 4013 ,还用于将处理器 401 1生成的资源信息发送至用户设备。 本发明的实施例提供的基站， 通过接收用户设备发送的请求信息， 根 据请求信息为用户设备分配用于发送发现信息的时频资源，生成资源信息， 将资源信息发送至用户设备， 由于时频资源由基站统一分配， 解决了直通 终端技术中时频资源分配不合理的问题。
可选的， 请求信息包括发现信息的发送周期及发现信息的发送时长。 处理器 401 1 , 具体用于根据请求信息为用户设备分配用于发送发现 信息的时频资源， 根据发现信息的发送周期和发现信息的发送时长确定预 设周期和预设时长， 并生成资源信息， 资源信息包括有效时频资源、 预设 周期及预设时长， 有效时频资源是基站为用户设备分配的用于发送发现信 , 的时频资源； 预设周期和预设时长是基站为用户设备分配的有效时频资 源占用的周期和时长。
可选的， 发射器 4013 , 具体用于将资源信息携带在无线资源控制协 议 RR C消息中发送至用户设备，或者将资源信息承载在物理下行控制信道 PDCCH上发送至用户设备。 本发明的实施例提供的基站， 通过接收用户设备发送的请求信息， 根 据请求信息为用户设备分配用于发送发现信息的时频资源，生成资源信息， 将资源信息发送至用户设备， 由于时频资源由基站统一分配， 解决了直通 终端技术中时频资源分配不合理的问题。
本发明的实施例提供一种信息传输方法， 应用于直通终端技术， 参照 图 5所示， 包括以下步骤：
501、 用户设备获取发现信息。
该发现信息为用户设备需要通过设备间直接通信向其他用户设备发 送的信息。
502、 用户设备根据发现信息生成请求信息。
其中，请求信息用于请求基站为用户设备分配用于发送发现信息的时 频资源。
可选的， 该请求信息包括发送周期和发送时长， 此处， 发送周期代表 该发现信息发送的频率， 即一个周期发一次， 发送时长为按照该发送周期 发送完该发现信息需要耗费的所有时间。
可选的， 该请求信息可以包括多个发现信息的请求， 每个发现信息有 不同的发送周期和发送时长。 或者多个发现信息有相同的发送周期和发送 时长相同。
503、 用户设备将请求信息发送至基站。
可选的， 用户设备将请求信息携带在 RRC ( Radio Resource Control, 无线资源控制协议） 消息或者 B SR ( Buffer Status Report , 緩冲状态报告） 消息中发送至基站。
504、 用户设备接收基站发送的资源信息。
其中， 资源信息包括有效时频资源， 有效时频资源是基站为用户设备 分配的用于发送发现信息的时频资源。 可选的， 该资源信息还可以包括预 设周期和预设时长， 预设周期和预设时长是基站为用户设备分配的有效时 频资源占用的周期和时长。 预设周期代表在该有效时频资源内发送发现信 息的频率， 即一个周期发送一次， 预设时长代表在有效时频资源内按照预 设周期发送该发现信息的时间， 例如发送周期为 1秒就是一秒钟发送一次 发现信息， 发送时长为 500秒就代表在 500秒内持续每一秒发送一次该发 现信息。
505、 用户设备利用有效时频资源向其他用户设备发送发现信息。 可选的， 用户设备将发现信息与有效时频资源进行匹配， 完成匹配后 向其他用户设备发送该发现信息。
可选的，当请求信息包含多个发现信息的请求时，匹配的方法有两种： ( 1 )根据发现信息的发送周期及发现信息的发送时长与预设周期及预设时 长的对应关系来匹配， 基站发送的预设周期和预设时长是根据请求信息中 包含的发现信息的发送周期及发现信息的发送时长生成的， 若预设周期及 预设时长与发现信息的发送周期及发现信息的发送时长分别相同， 则可以 确定有效时频资源与该发现信息相互对应。 或者， 当预设周期及预设时长 与发现信息的发送周期及发现信息的发送时长的差值最小， 则该有效时频 资源与该发现信息相互对应。
( 2 ) 请求信息包含多个发现信息的请求， 为每一个发现信息添加标 识， 为发现信息分配的有效时频资源具有和该发现信息相同的标识， 这样 具有相同标识的发现信息和有效时频资源就是相互对应的， 以此达到有效 时频资源与发现信息的匹配。
可选的，用户设备根据有效时频资源确定发送发现信息需要占用的时 频资源， 该资源信息还可以包括预设周期和预设时长， 用户设备按照预设 周期和预设时长在有效时频资源发送发现信息。
本发明的实施例提供的信息传输方法， 通过用户设备获取发现信息， 根据发现信息生成请求信息， 将请求信息发送至基站， 接收基站发送的资 源信息， 利用有效时频资源向其他用户设备发送发现信息， 由于时频资源 由基站统一分配， 解决了直通终端技术中时频资源分配不合理的问题。
本发明的实施例提供另一种信息传输方法， 应用于直通终端技术， 参 照图 6所示， 包括以下步骤：
601、 基站接收用户设备发送的请求信息。
可选的， 该请求信息包括发现信息的发送周期及发现信息的发送时 长， 其中， 该发现信息为用户设备需要通过设备间直接通信向其他用户设 备发送的信息， 发送周期代表该发现信息发送的频率， 即一个周期发一次， 发送时长为按照该发送周期发送该发现信息的时间长度。
602、 基站根据请求信息为用户设备分配用于发送发现信息的时频资 源， 并生成资源信息。
其中， 资源信息包括有效时频资源， 有效时频资源是基站为用户设备 分配的用于发送发现信息的时频资源。
优选的， 基站在空闲的时频资源中为用户设备分配有效时频资源。 可 选的， 当有多个终端发送请求信息时， 基站根据每个终端的请求信息为每 个终端分配时频资源， 并且根据请求信息中的发送周期及发送时长， 确定 每个终端的预设周期及预设时长， 并生成资源信息， 该资源信息包括有效 时频资源、 预设周期及预设时长。
603、 基站将资源信息发送至用户设备。
可选的， 基站将资源信息携带在 RRC 消息中发送至用户设备， 或者 将资源信息承载在 PDCCH ( Physical Downlink Control Channel , 物理下行 控制信道） 上发送至用户设备。
本发明的实施例提供的信息传输方法，通过基站接收用户设备发送的 请求信息， 根据请求信息为用户设备分配用于发送发现信息的时频资源， 生成资源信息， 将资源信息发送至用户设备， 由于时频资源由基站统一分 配， 解决了直通终端技术中时频资源分配不合理的问题。
基于上述图 5和图 6对应的实施例，本发明的另一实施例提供一种信 息传输方法， 应用于直通终端技术， 可选的， 应用于 LTE ( Long Term Evolution, 长期演进） 系统， LTE系统的蜂窝结构中， 蜂窝直通终端可以 使用 LTE系统的资源直接进行通信。 参照图 7所示， 包括以下步骤：
701、 用户设备获取发现信息。
其中， 发现信息为用户设备需要通过设备间直接通信发送的信息。 可 选的， 参照图 8所示， 对应用户面协议栈结构， 增加了临近服务层， 临近 服务层是应用层和用户接入网之间的接口层， 当用户设备中的应用需要向 蜂窝结构中的其他终端直接发送消息时， 此处即为发现信息， 会将发现信 息发送到临近服务层， 临近服务层会根据发现信息生成请求信息， 此处， 用户设备即为 LTE系统中的蜂窝直通终端。
702、 用户设备根据发现信息生成请求信息。
该请求信息可以包括多条发现信息的请求， 可选的， 该请求信息包括 发现信息的数量、 每条发现信息的发送周期和发送时长。
703、 用户设备将请求信息发送至基站。
可选的， 用户设备的 RRC层接收到临近服务层的请求信息后， 可以 将请求信息携带在 RRC建立请求中发送至基站，或者等待用户设备与基站 之间 RRC链接建立之后向基站发送请求信息。
或者， 可选的， 当用户设备与基站之间 RRC链接建立之后， RRC链 接保持在持续连接状态， 将请求信息发送至 MAC ( Media Access Control, 媒体介入控制）层，此时，可以将请求信息携带在 BSR( Buffer Status Report, 緩冲状态报告） 中发送至基站。
704、 基站根据请求信息为用户设备分配用于发送发现信息的时频资 源， 并生成资源信息。
其中， 资源信息包括有效时频资源， 有效时频资源是基站为用户设备 分配的用于发送发现信息的时频资源。
可选的，基站在空闲的时频资源中为请求信息中每一个发现信息分配 有效时频资源， 同时根据每一个发现信息的发送周期及发现信息的发送时 长， 确定每一个发现信息的预设周期及预设时长， 并生成资源信息， 该资 源信息包括有效时频资源、 预设周期及预设时长。
705、 基站将资源信息发送至用户设备。
706、 用户设备利用有效时频资源向其他用户设备发送发现信息。 可选的， 用户设备将发现信息与有效时频资源进行匹配， 完成匹配后 向其他用户设备发送该发现信息。
可选的，当请求信息包含多个发现信息的请求时，匹配的方法有两种： 基站发送的预设周期和预设时长是根据请求信息中包含的发送周期及发送 时长生成的， 若有效时频资源的预设周期及预设时长与发现信息的发送周 期及发现信息的发送时长分别相同， 则可以确定该有效时频资源与该发现 信息相互对应。 或者， 当有效时频资源的预设周期及预设时长与发现信息 的发送周期及发现信息的发送时长的差值最小， 则该有效时频资源与该发 现信息相互对应。
例如，预设周期及预设时长分别为 " 1秒、 100秒" 、 "2秒、 500秒" 、 "3秒、 1500秒" 的三个有效时频资源和发送周期及发送时长分别为 " 1.2 秒、 120秒" 、 "2.5秒、 600秒" 、 "3.5秒、 1800秒" 的三个发现信息 中， 预设周期及预设时长为 " 1秒、 100秒" 的有效时频资源与发送周期及 发送时长为 " 1.2秒、 120秒" 的发现信息相互对应， 因为两者的差值最小， 即两者最接近。
( 2 ) 请求信息包含多个发现信息的请求， 为每一个发现信息添加标 识， 为发现信息分配的有效时频资源具有和该发现信息相同的标识， 这样 具有相同标识的发现信息和有效时频资源就是相互对应的， 以此达到有效 时频资源与发现信息的匹配。
对应用户面协议栈结构， 临近服务层将发现信息发送至用户设备的 MAC层， 然后通过 PHY ( Physical Layer, 物理层 ) 发送至其他终端。
可选的，用户设备将每一个发现信息与有效时频资源中对应的资源匹 配， 这就避免了多个用户设备同时选择相同的时频资源， 导致时频资源分 配不合理， 消息发送错误， 进一步可选的， 用户设备按照每一个发现信息 的预设周期及预设时长发送该发现信息。
本发明的实施例提供的信息传输方法，通过用户设备生成并向基站发 送请求分配时频资源的请求信息， 由基站根据请求信息为用户设备分配有 效时频资源， 用户设备再利用分配的有效时频资源发送发现信息， 由于时 频资源由基站统一分配， 解决了直通终端技术中时频资源分配不合理的问 题。
本发明的实施例提供一种无线通信系统， 参照图 9所示， 该无线通信 系统 901 包括至少一个基站 901 1及至少一个用户设备 9012。
其中， 用户设备 9012为图 1对应的实施例中所描述的用户设备， 用 于执行上述图 5对应的实施例中所描述的信息传输方法， 基站 901 1为图 2 对应实施例中所描述的基站， 用于执行上述图 6对应的实施例中所描述的 信息传输方法。
或者， 用户设备 9012为图 3对应的实施例中所描述的用户设备， 用 于执行上述图 5对应的实施例中所描述的信息传输方法， 基站 901 1为图 4 对应实施例中所描述的基站， 用于执行上述图 6对应的实施例中所描述的 信息传输方法。
本发明的实施例提供的无线通信系统，通过用户设备生成并向基站发 送请求分配时频资源的请求信息， 由基站根据请求信息为用户设备分配有 效时频资源， 用户设备再利用分配的有效时频资源发送发现信息， 由于时 频资源由基站统一分配， 解决了直通终端技术中时频资源分配不合理的问 题。
通过以上的实施方式的描述，所属领域的技术人员可以清楚地了解到 本发明可以用硬件实现， 或固件实现， 或它们的组合方式来实现。 当使用 软件实现时， 可以将上述功能存储在计算机可读介质中或作为计算机可读 介质上的一个或多个指令或代码进行传输。 计算机可读介质包括计算机存 储介质和通信介质， 其中通信介质包括便于从一个地方向另一个地方传送 计算机程序的任何介质。存储介质可以是计算机能够存取的任何可用介质。 以此为例但不限于： 计算机可读介质可以包括 RAM ( Random Access Memory, 随机存储器 )、 ROM ( Read Only Memory, 只读内存）、 EEPROM ( Electrically Erasable Programmable Read Only Memory, 电可擦可编程只 读存储器） 、 CD-ROM ( Compact Disc Read Only Memory, 即只读光盘） 或其他光盘存储、 磁盘存储介质或者其他磁存储设备、 或者能够用于携带 或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的 任何其他介质。 此外。 任何连接可以适当的成为计算机可读介质。 例如， 如果软件是使用同轴电缆、光纤光缆、双绞线、 DSL( Digital Subscriber Line , 数字用户专线） 或者诸如红外线、 无线电和微波之类的无线技术从网站、 服务器或者其他远程源传输的， 那么同轴电缆、 光纤光缆、 双绞线、 DSL 或者诸如红外线、 无线和微波之类的无线技术包括在所属介质的定影中。 如本发明所使用的， 盘和碟包括 CD ( Compact Disc , 压缩光碟）、 激光碟、 光碟、 DVD碟 （ Digital Versatile Disc, 数字通用光） 、 软盘和蓝光光碟， 其中盘通常磁性的复制数据， 而碟则用激光来光学的复制数据。 上面的组 合也应当包括在计算机可读介质的保护范围之内。
以上所述， 仅为本发明的具体实施方式， 但本发明的保护范围并不局 限于此， 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内， 可 轻易想到变化或替换， 都应涵盖在本发明的保护范围之内。 因此， 本发明 的保护范围应所述以权利要求的保护范围为准。

Claims

权 利 要 求 书
1、 一种用户设备， 应用于直通终端技术， 其特征在于， 包括： 获取单元， 用于获取发现信息， 所述发现信息为所述用户设备需要通 过设备间直接通信向其他用户设备发送的信息；
请求单元， 用于根据所述获取单元获取的所述发现信息生成请求信 息， 所述请求信息用于请求基站为所述用户设备分配用于发送所述发现信 息的时频资源；
发送单元， 用于将所述请求单元生成的所述请求信息发送至所述基 站；
接收单元， 用于接收所述基站发送的资源信息， 所述资源信息包括所 述有效时频资源， 所述有效时频资源是所述基站为所述用户设备分配的用 于发送所述发现信息的时频资源；
所述发送单元，还用于通过所述接收单元接收的所述有效时频资源向 所述其他用户设备发送所述发现信息。
2、 根据权利要求 1所述的设备， 其特征在于，
所述请求单元， 具体用于根据所述发现信息确定所述发现信息的发送 周期及所述发现信息的发送时长， 并生成所述请求信息， 所述请求信息包 括所述发现信息的发送周期及所述发现信息的发送时长。
3、 根据权利要求 2所述的设备， 其特征在于，
所述资源信息还包括预设周期和预设时长， 所述预设周期和预设时长 是所述基站为所述用户设备分配的所述有效时频资源占用的周期和时长； 所述发送单元， 具体用于将所述发现信息与所述发现信息的时频资源 进行匹配， 并按照所述预设周期和所述预设时长向所述其他用户设备发送 所述发现信息。
4、 根据权利要求 1-3任一项所述的设备， 其特征在于，
所述发送单元， 具体用于将所述请求信息携带在无线资源控制协议 RRC消息或者緩冲状态报告 BSR消息中发送至所述基站。
5、 一种基站， 应用于直通终端技术， 其特征在于， 包括：
接收单元， 用于接收用户设备发送的请求信息， 所述请求信息用于请 求所述基站为所述用户设备分配用于发送发现信息的时频资源， 所述发现 信息为所述用户设备需要通过设备间直接通信向其他用户设备发送的信 息；
分配单元， 用于根据所述接收单元接收的所述请求信息为所述用户设 备分配用于发送所述发现信息的时频资源， 并生成资源信息， 所述资源信 息包括所述有效时频资源， 所述有效时频资源是所述基站为所述用户设备 分配的用于发送所述发现信息的时频资源；
发送单元， 用于将所述分配单元生成的所述资源信息发送至所述用户 设备。
6、 根据权利要求 5所述的设备， 其特征在于，
所述请求信息包括所述发现信息的发送周期及所述发现信息的发送 时长；
所述分配单元， 具体用于根据所述请求信息为所述用户设备分配用于 发送所述发现信息的时频资源， 根据所述发现信息的发送周期和所述发现 信息的发送时长确定预设周期和预设时长， 并生成所述资源信息， 所述资 源信息包括所述有效时频资源、 所述预设周期及所述预设时长， 所述有效 时频资源是所述基站为所述用户设备分配的用于发送所述发现信息的时频 资源； 所述预设周期和预设时长是所述基站为所述用户设备分配的所述有 效时频资源占用的周期和时长。
7、 根据权利要求 5或 6所述的设备， 其特征在于，
所述发送单元， 具体用于将所述资源信息携带在无线资源控制协议 RRC消息中发送至所述用户设备， 或者将所述资源信息承载在物理下行控 制信道 PDCCH上发送至所述用户设备。
8、 一种用户设备， 其特征在于， 应用于直通终端技术， 包括处理器、 存储器、 发射器、 接收器及总线， 所述处理器、 所述存储器、 所述发射器 及所述接收器通过所述总线相互连接；
其中， 所述处理器， 用于获取发现信息， 所述发现信息为所述用户设 备需要通过设备间直接通信向其他用户设备发送的信息；
所述处理器， 还用于根据所述发现信息生成请求信息， 所述请求信息 用于请求基站为所述用户设备分配用于发送所述发现信息的时频资源； 所述发射器， 用于所述处理器生成的所述请求信息发送至所述基站； 所述接收器， 用于接收所述基站发送的资源信息， 所述资源信息包括 所述有效时频资源， 所述有效时频资源是所述基站为所述用户设备分配的 用于发送所述发现信息的时频资源；
所述发射器，还用于通过所述接收器接收的所述有效时频资源向所述 其他用户设备发送所述发现信息。
9、 根据权利要求 8所述的设备， 其特征在于，
所述处理器， 具体用于根据所述发现信息确定所述发现信息的发送周 期及所述发现信息的发送时长， 并生成所述请求信息， 所述请求信息包括 所述发现信息的发送周期及所述发现信息的发送时长。
10、 根据权利要求 9所述的设备， 其特征在于，
所述资源信息还包括预设周期和预设时长， 所述预设周期和预设时长 是所述基站为所述用户设备分配的所述有效时频资源占用的周期和时长； 所述发射器， 具体用于将所述发现信息与所述发现信息的时频资源进 行匹配， 并按照所述预设周期和所述预设时长向所述其他用户设备发送所 述发现信息。
1 1、 根据权利要求 8- 10任一项所述的设备， 其特征在于，
所述发射器，具体用于将所述请求信息携带在无线资源控制协议 RRC 消息或者緩冲状态报告 BSR消息中发送至所述基站。
12、 一种基站， 其特征在于， 应用于直通终端技术， 包括处理器、 存 储器、 发射器、 接收器及总线， 所述处理器、 所述存储器、 所述发射器及 所述接收器通过所述总线相互连接；
其中， 所述接收器， 用于接收用户设备发送的请求信息， 所述请求信 息用于请求所述基站为所述用户设备分配用于发送发现信息的时频资源， 所述发现信息为所述用户设备需要通过设备间直接通信向其他用户设备发 送的信息；
所述处理器， 用于根据所述接收器接收的所述请求信息为所述用户设 备分配用于发送所述发现信息的时频资源， 并生成资源信息， 所述资源信 息包括所述有效时频资源， 所述有效时频资源是所述基站为所述用户设备 分配的用于发送所述发现信息的时频资源；
所述发射器， 用于将所述处理器生成的所述资源信息发送至所述用户 设备。
13、 根据权利要求 12所述的设备， 其特征在于，
所述请求信息包括所述发现信息的发送周期及所述发现信息的发送 时长；
所述处理器， 具体用于根据所述请求信息为所述用户设备分配用于发 送所述发现信息的时频资源， 根据所述发现信息的发送周期和所述发现信 息的发送时长确定预设周期和预设时长， 并生成所述资源信息， 所述资源 信息包括所述有效时频资源、 所述预设周期及所述预设时长， 所述有效时 频资源是所述基站为所述用户设备分配的用于发送所述发现信息的时频资 源； 所述预设周期和预设时长是所述基站为所述用户设备分配的所述有效 时频资源占用的周期和时长。
14、 根据权利要求 12或 13所述的设备， 其特征在于，
所述发射器，具体用于将所述资源信息携带在无线资源控制协议 RR C 消息中发送至所述用户设备， 或者将所述资源信息承载在物理下行控制信 道 PDCCH上发送至所述用户设备。
15、 一种信息传输方法， 应用于直通终端技术， 其特征在于， 所述方 法包括：
用户设备获取发现信息， 所述发现信息为所述用户设备需要通过设备 间直接通信向其他用户设备发送的信息；
所述用户设备根据所述发现信息生成请求信息， 所述请求信息用于请 求基站为所述用户设备分配用于发送所述发现信息的时频资源；
所述用户设备将所述请求信息发送至所述基站；
所述用户设备接收所述基站发送的资源信息， 所述资源信息包括所述 有效时频资源， 所述有效时频资源是所述基站为所述用户设备分配的用于 发送所述发现信息的时频资源；
所述用户设备利用所述有效时频资源向所述其他用户设备发送所述 发现信息。
16、 根据权利要求 15 所述的方法， 其特征在于， 所述用户设备根据 所述发现信息生成请求信息， 包括：
所述用户设备根据所述发现信息确定所述发现信息的发送周期及所 述发现信息的发送时长， 并生成所述请求信息， 所述请求信息包括所述发 现信息的发送周期及所述发现信息的发送时长。
17、 根据权利要求 16所述的方法， 其特征在于，
所述资源信息还包括预设周期和预设时长， 所述预设周期和预设时长 是所述基站为所述用户设备分配的所述有效时频资源占用的周期和时长； 所述用户设备利用所述有效时频资源向所述其他用户设备发送所述 发现信息， 包括：
所述用户设备将所述发现信息与所述发现信息的时频资源进行匹配， 并按照所述预设周期和所述预设时长向所述其他用户设备发送所述发现信 息。
18、 根据权利要求 15-17任一项所述的方法， 其特征在于， 所述用户 设备将所述请求信息发送至基站， 包括：
所述用户设备将所述请求信息携带在无线资源控制协议 RRC 消息或 者緩冲状态报告 B S R消息中发送至所述基站。
19、 一种信息传输方法， 应用于直通终端技术， 其特征在于， 所述方 法包括：
基站接收用户设备发送的请求信息， 所述请求信息用于请求所述基站 为所述用户设备分配用于发送发现信息的时频资源， 所述发现信息为所述 用户设备需要通过设备间直接通信向其他用户设备发送的信息；
所述基站根据所述请求信息为所述用户设备分配用于发送所述发现 信息的时频资源， 并生成资源信息， 所述资源信息包括所述有效时频资源， 所述有效时频资源是所述基站为所述用户设备分配的用于发送所述发现信 息的时频资源；
所述基站将所述资源信息发送至所述用户设备。
20、 根据权利要求 19所述的方法， 其特征在于， 所述请求信息包括所述发现信息的发送周期及所述发现信息的发送 时长；
所述基站根据所述请求信息为所述用户设备分配用于发送所述发现 信息的时频资源， 并生成资源信息， 包括：
所述基站根据所述请求信息为所述用户设备分配用于发送所述发现 信息的时频资源， 根据所述发现信息的发送周期和所述发现信息的发送时 长确定预设周期和预设时长， 并生成所述资源信息， 所述资源信息包括所 述有效时频资源、 所述预设周期及所述预设时长， 所述有效时频资源是所 述基站为所述用户设备分配的用于发送所述发现信息的时频资源； 所述预 设周期和预设时长是所述基站为所述用户设备分配的所述有效时频资源占 用的周期和时长。
21、 根据权利要求 19或 20所述的方法， 其特征在于， 所述基站将所 述资源信息发送至所述用户设备， 包括：
所述基站将所述资源信息携带在无线资源控制协议 RRC 消息中发送 至所述用户设备， 或者将所述资源信息承载在物理下行控制信道 PDCCH 上发送至所述用户设备。
22、 一种无线通信系统， 其特征在于， 包括： 用户设备及基站； 其中， 所述用户设备为权利要求 1-4任一项所述的用户设备； 所述基站为权利要求 5-7任一项所述的基站；
或者， 所述用户设备为权利要求 8- 1 1任一项所述的用户设备； 所述基站为权利要求 12-14任一项所述的基站。
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