CN103945497B - Sending method, communication terminal and the system of signal are found in terminal direct communication - Google Patents
Sending method, communication terminal and the system of signal are found in terminal direct communication Download PDFInfo
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- CN103945497B CN103945497B CN201310019971.6A CN201310019971A CN103945497B CN 103945497 B CN103945497 B CN 103945497B CN 201310019971 A CN201310019971 A CN 201310019971A CN 103945497 B CN103945497 B CN 103945497B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/005—Discovery of network devices, e.g. terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/02—Arrangements for increasing efficiency of notification or paging channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/18—Interfaces between hierarchically similar devices between terminal devices
Abstract
The invention provides sending method, communication terminal and the system that signal is found in a kind of terminal direct communication.Find that the sending method of signal includes in the terminal direct communication：Source terminal obtains messaging parameter when network side equipment is communicated with other communication terminals；Source terminal sends according to messaging parameter and finds signal.Pass through the implementation of the present invention, the transmission phase of signal is found in terminal direct communication, source terminal gets the messaging parameter that network side equipment is communicated with other communication terminals, and only sent according to the messaging parameter while network side equipment sends signal of communication to other communication terminals and find signal, while ensureing that other communication terminals can receive the discovery signal, the waste of the communication resource is avoided, also accelerates the discovery process of terminal direct communication.
Description
Technical field
The present invention relates to sending method, the communication that signal is found in the communications field, more particularly to a kind of terminal direct communication
Terminal and system.
Background technology
With the fast development of intelligent terminal, requirement of the user to terminal applies and traffic rate also more and more higher, and
Current LTE（Long Term Evolution, Long Term Evolution）In communication system, two communication terminals must pass through eNB
（Evolution Node B, the node B of evolution）And equipment of the core network could communicate；In order to solve this problem, this area
Technical staff provides a kind of D2D（Device to Device, terminal are gone directly）The communication technology, this communication technology cause two
It can be communicated without going through equipment of the core network between communication terminal.
The D2D communication technologys are found including D2D（D2D Discovery）Process and D2D communications（D2DCommunication）
Process two parts；D2D has found to refer to when the distance between multiple wireless terminal devices closely can directly lead to between wireless device
During letter, other side is found each other, and D2D communications refer to two wireless terminal devices not by equipment of the core network direct communication.
But present communications terminal is often taken when carrying out D2D discoveries and continues to send D2D discoveries in available resources
The mechanism of signal finds signal to confirm communication terminal in neighbouring, this communication mechanism side to allow adjacent communication terminal to receive D2D
Formula had both caused the waste of communication terminal electric power, caused the significant wastage of wireless network communication resource again, and may cause difference
The transmitted conflict for finding signal message of communication terminal.
The content of the invention
The invention provides sending method, communication terminal and the system that signal is found in a kind of terminal direct communication, solve
Communication terminal constantly sends in available resources D2D and finds communication resource wave caused by signal in present terminal direct communication
The problem of taking.
The invention provides the sending method that signal is found in a kind of terminal direct communication, in one embodiment, the party
Method includes：Source terminal obtains messaging parameter when network side equipment is communicated with other communication terminals；Source terminal is according to communication
Parameter, which is sent, finds signal.
Further, the network side equipment in above-described embodiment includes base station, in addition to mobile management entity and/or newly-increased
Network element；Source terminal obtains the step of messaging parameter of network side equipment when being communicated with other communication terminals and is specially：Source is whole
End obtains base station by mobile management entity and/or newly-increased network element and joined to communication during other communication terminals transmission paging signal
Number, messaging parameter include using the subframe numbers of subframe when base station sends paging signal to other communication terminals, belonging to the subframe
The frame number and paging cycle of paging frame.
Further, the source terminal in above-described embodiment obtains base station to leading to during other communication terminals transmission paging signal
Believe parameter the step of be specially：Source terminal selection target communication terminal；Source terminal sends the discovery of terminal direct communication to base station
Request, discovery request carry the identification information of target communications terminal；Source terminal receives the response signal of base station feedback, response letter
Number carry base station to target communications terminal send paging signal when messaging parameter；Communication in source terminal extraction response signal
Parameter.
Further, the source terminal in above-described embodiment is specially according to the step of messaging parameter transmission discovery signal：Source
Terminal is using paging cycle as the cycle, the son in paging frame corresponding to base station to the frame number of target communications terminal transmission paging signal
On the resource location of subframe corresponding to frame number or adjacent sub-frames, periodic rotation, which is sent, finds signal.
Further, the source terminal in above-described embodiment is specially according to the step of messaging parameter transmission discovery signal：Source
Terminal sends the frame number pair of paging signal in base station using the base station paging cycle set to communication terminal as the cycle to communication terminal
On the resource location of subframe or adjacent sub-frames corresponding to subframe numbers in the paging frame answered, periodic rotation, which is sent, finds letter
Number.
Further, periodicity rotation in above-described embodiment sends the step of finding signal and is specially：Source terminal is certainly
Under the control of body and/or network side equipment, determine that it sends the transmission cycle for finding signal and quantity forwarded, and it is all according to sending
Phase and quantity forwarded, which are sent, finds signal.
Meanwhile the invention provides a kind of communication terminal, in one embodiment, the communication terminal include acquisition module and
Sending module；Wherein, acquisition module is used to obtain messaging parameter when network side equipment is communicated with other communication terminals；Hair
The messaging parameter for sending module to be used to be got according to acquisition module, which is sent, finds signal.
Meanwhile present invention provides a kind of communication system for terminal direct communication, in one embodiment, the end
Discovery system is held to include the communication terminal of at least one the application offer as source terminal, and network side equipment；Source terminal is used for
Messaging parameter when network side equipment is communicated with other communication terminals is obtained, and is sent according to messaging parameter and finds signal.
By the implementation of the present invention, the transmission phase of discovery signal, source terminal get network in terminal direct communication
The messaging parameter that side apparatus is communicated with other communication terminals, and according to the messaging parameter, only network side equipment to other
Communication terminal sends while sending signal of communication and finds signal, and in guarantee, other communication terminals can receive the discovery signal
While, the waste of the communication resource is avoided, accelerates the discovery process of terminal direct communication, also a saving D2D communication both-ends
Electric power.
Brief description of the drawings
Fig. 1 is the schematic diagram of the sending method for the discovery signal that one embodiment of the invention provides；
Fig. 2 is the schematic diagram of the sending method for the discovery signal that another embodiment of the present invention provides；
Fig. 3 is the schematic diagram for the communication system that one embodiment of the invention provides；
Fig. 4 is a kind of schematic diagram of source terminal in Fig. 3；
Fig. 5 is a kind of schematic diagram of acquisition module in Fig. 4；
Fig. 6 is that terminal sends the schematic diagram for finding signal in the prior art；
Fig. 7 is that terminal sends the schematic diagram for finding signal in one embodiment of the invention；
Fig. 8 is that terminal sends the schematic diagram for finding signal in another embodiment of the present invention；
Fig. 9 is that terminal sends the schematic diagram for finding signal in another embodiment of the present invention；
Figure 10 a are that terminal sends the schematic diagram for finding signal in another embodiment of the present invention；
Figure 10 b are that terminal sends the schematic diagram for finding signal in another embodiment of the present invention；
Figure 10 c are that terminal sends the schematic diagram for finding signal in another embodiment of the present invention.
Embodiment
Further annotation explanation is made to the present invention below by the mode of embodiment combination accompanying drawing.
The messaging parameter mentioned in Examples below of the present invention refers to network side equipment, such as base station, enters with communication terminal
Used messaging parameter when the transmission of row paging signal communicate with receiving etc., not during two communication terminals progress D2D communications
The parameters such as used connectivity option；Source terminal hereinafter refers to communication terminal provided by the invention, and other communication terminals can
Be conventional communication terminal either support D2D communicate communication terminal or communication terminal provided by the invention.
Fig. 1 is the schematic diagram for the sending method that signal is found in the D2D communications that one embodiment of the invention provides；Can by Fig. 1
Know, in one embodiment, find that the sending method of signal comprises the following steps in D2D communications provided by the invention：
Step S101：Source terminal obtains messaging parameter when network side equipment is communicated with other communication terminals.
The mode that source terminal obtains messaging parameter when network side equipment is communicated with other communication terminals has two kinds：One
Kind is obtained by network side equipment, will be elaborated below；Another kind is obtained according to communication protocol, because net
Network side apparatus is set with the communication cycle that other communication terminals are communicated, such as according to agreement 3GPP/36.304＆36.331
The acquiescence paging cycle that base station sends paging signal to communication terminal, which can be got, 4 types（I.e. 32,64,128,256 nothings
Line frame）And subframe position（It is 0,4,5,9 subframe positions of paging frame under fdd mode, is 0,4,5, the 6 of paging frame under tdd mode
Subframe position）, source terminal therefrom selects a cycle parameter and each subframe position parameter, according to the paging cycle of the selection in son
In frame position, rotation, which is sent, finds signal.
Network side equipment includes base station, in addition to mobile management entity（MME）And/or newly-increased network element, the newly-increased network element are
Refer to the newly-increased network entity that D2D discoveries and/or communication process are carried out for managing communication terminal；Source terminal obtains network side equipment
The step of messaging parameter when being communicated with other communication terminals is specially：Source terminal obtains base station and sent out to other communication terminals
Messaging parameter during paging signal is sent, source terminal obtains base station to messaging parameter during other communication terminals transmission paging signal
Step can be specifically：
Base station by its own store or pass through mobile management entity（MME）And/or the base station that gets of newly-increased network element with
The messaging parameter of other target communications terminals is issued to source terminal：Messaging parameter includes base station and sends paging to other communication terminals
Subframe numbers, the frame number and paging cycle of the affiliated paging frame of the subframe of subframe are used during signal；The example is to pass through moving tube
Manage entity（MME）And/or newly-increased network element is directly to issue source terminal transmission to find that signal is required frame number, subframe numbers and sought
Exhale the cycle, source terminal need not be additionally carried out calculating；
Base station by its own store or pass through mobile management entity（MME）And/or the base station that gets of newly-increased network element with
The mode that the messaging parameter of other target communications terminals is issued to source terminal can also be：Mobile management entity（MME）It is and/or new
Paging frame number, the other specification information of subframe numbers and paging cycle can be derived by increasing network element and issuing, UE_ID such as communication terminal,
Paging cycle T and pager can count the informations parameter such as nB to be needed to be calculated according to these informations parameter to source terminal, source terminal
Obtain paging frame number, subframe numbers and paging cycle；In this embodiment, source terminal is receiving the UE_ID of communication terminal, paging
After cycle T and pager can count nB, according to communication protocol be calculated source terminal send find signal need base station to its
His communication terminal uses subframe numbers, the frame number and paging cycle of the affiliated paging frame of the subframe of subframe when sending paging signal；
One calculated examples can set communication pattern as fdd mode, and UE_ID 135, paging cycle T are 128, and pager can count
NB is 32, can be calculated according to agreement 3GPP36.304：Paging frame sum is 32, can further draw the inclined of paging frame
Displacement is set to 28, i.e., the position of wireless vertical shift 28 is paging frame position, and subframe position is subframe numbers 9.
Source terminal obtain base station to other communication terminals send paging signal when messaging parameter the step of specifically can be with
It is：Source terminal by mobile management entity and/or newly-increased network element come obtain base station to other communication terminals send paging signal when
Messaging parameter.The process can be specifically：Source terminal is sent for asking the request message of base station communication parameter to base station,
The request message is forwarded to mobile management entity and/or newly-increased network element by base station, mobile management entity and/or newly-increased network element by its
Used messaging parameter, which is added in corresponding signal, when the base station of storage is communicated with other communication terminals passes through base station
It is sent to source terminal.
Step S102：Source terminal sends according to messaging parameter and finds signal.
Source terminal gets base station to the paging position of other communication terminals transmission paging signal according to messaging parameter and sought
Exhale the cycle, and communicated in the paging position using paging cycle as the cycle is sent with sending D2D while the transmission paging signal of base station
In discovery signal；Now, source terminal, which only needs to send in specifically paging resource location and moment, finds signal, and other can
Also only need while the paging signal that base station is sent is received, to detect and receive discovery to carry out the communication terminal of D2D communications
Signal, reduce the power consumption of source terminal and receiving terminal.
Fig. 2 is the schematic diagram of the sending method for the discovery signal that another embodiment of the present invention provides；As shown in Figure 2, at this
In embodiment, find that the sending method of signal comprises the following steps in D2D communications provided by the invention：
Step S201：Source terminal selects D2D communication objects, i.e. target communications terminal.
The mode of source terminal selection target communication terminal can be：Source terminal is from the buddy list that it is stored and/or
Know and at least one communication terminal is selected in communication terminal as target communications terminal.
Step S202：The discovery that source terminal sends terminal direct communication to base station is asked；Being carried in discovery request please
Seek the field of target communications terminal messaging parameter.
When source terminal determines that the mode of target communications terminal is that source terminal is from the buddy list that it is stored and/or known logical
When selecting at least one communication terminal as target communications terminal in letter terminal, source terminal is sent to base station finds that request carries mesh
Mark the identification information of communication terminal；The identification information can be that the telephone number of target communications terminal, title, IMEI etc. can be only
The information of one mark terminal identity.
Step S203：Source terminal receives the response signal of base station feedback, and target communications terminal is carried in response signal
Messaging parameter.
When base station receives the discovery request for the identification information for carrying target communications terminal, the target of its carrying is extracted
The identification information of communication terminal, and transfer to mobile management entity and/or newly-increased network element, mobile management entity and/or newly-increased network element
The paging cycle of paging signal is sent to target communications terminal corresponding to the identification information according to identification information-enquiry base station, made
With the subframe numbers of paging subframe of paging resource location, the frame number etc. of the affiliated paging frame of the subframe, or UE_ID, paging cycle T
The messaging parameters such as nB can be counted with pager, the base station inquired is joined to communication during target communications terminal transmission paging signal
Number is added in response signal, and feeds back to the source terminal for sending discovery request.
Step S204：Messaging parameter in source terminal extraction response signal.
Step S205：Source terminal sends according to the messaging parameter of network side equipment and finds signal.
Used when the messaging parameter that source terminal extracts includes when base station sends paging signal to other communication terminals
After the messaging parameter of the subframe numbers of subframe, the frame number of the affiliated paging frame of the subframe and paging cycle, in base station and/or moving tube
Manage to send under the control of entity and/or newly-increased network element and/or source terminal itself and find signal, can be specifically：Source terminal with
Paging cycle is the cycle, the subframe numbers pair in paging frame corresponding to base station to the frame number of other communication terminals transmission paging signal
On all resource locations for the subframe answered, periodic rotation, which is sent, finds signal.
When the messaging parameter that source terminal extracts is that UE_ID, paging cycle T and pager can count the messaging parameters such as nB,
Then according to agreement calculation base station to other communication terminals send paging signal when using the subframe numbers of subframe, the subframe belonging to seek
The frame number of frame and the messaging parameter of paging cycle are exhaled, is made when base station is calculated and sends paging signal to other communication terminals
After messaging parameter with the subframe numbers of subframe, the frame number of the affiliated paging frame of the subframe and paging cycle, the step of execution above.
Periodic rotation send find signal transmission can be source terminal base station and/or mobile management entity and/
Or determine to send the transmission cycle for finding signal and quantity forwarded under the control of newly-increased network element and/or source terminal itself, specifically
Can be：Base station and/or mobile management entity and/or newly-increased network element and/or source terminal itself loaded according to the network operation or
The priority of source terminal, determine that source terminal sends the transmission cycle for finding signal and quantity forwarded.
Step S206：Target communications terminal receives discovery signal, into D2D responding processes.
Other communication terminals are after the discovery signal of source terminal transmission is received, to base station or source terminal feedback response
Information, to complete D2D discovery procedures, and two communication terminals according to entrained by finding signal are carried out required for D2D communicates
Parameter carries out D2D communications.
Fig. 3 is the schematic diagram for the communication system that one embodiment of the invention provides；From the figure 3, it may be seen that in one embodiment, this
The communication system 3 that invention provides includes source terminal 31 and network side equipment 32；Wherein, source terminal 31 is also provided by the invention logical
Terminal is believed, for obtaining messaging parameter when network side equipment 32 is communicated with other mobile terminals, and according to messaging parameter
Send and find signal.
In another embodiment, the network side equipment 32 in embodiment illustrated in fig. 3 includes base station, in addition to mobile management
Entity and/or newly-increased network element；Now, source terminal 31 be used for by mobile management entity and/or newly-increased network element obtain base station to its
His mobile terminal sends messaging parameter during paging signal, and messaging parameter includes base station and sends paging signal to other mobile terminals
When use subframe numbers, the frame number and paging cycle of the affiliated paging frame of the subframe of subframe.
Predictably, the network side equipment 32 in embodiment illustrated in fig. 3 it is not necessary to, source terminal 31 can lead to
The messaging parameter that network side equipment 32 obtains target communications terminal is crossed, can also in other way, as the paging of standard is led to
The modes such as agreement are believed, to obtain messaging parameter.
Fig. 4 is a kind of schematic diagram of the source terminal in Fig. 3；As shown in Figure 4, in this embodiment, it is provided by the invention logical
Believe that terminal 31 includes the acquisition module 311 and sending module 312 being connected with each other；Wherein,
Acquisition module 311 is used to obtain messaging parameter when network side equipment is communicated with other communication terminals；Obtain
Mode can read that source terminal 31 itself is built-in and/or the page communication agreement of the standard of storage obtains, can also be from net
Network side apparatus obtains；
The messaging parameter that sending module 312 is used to be got according to acquisition module 311, which is sent, finds signal.
In other embodiments, if network side equipment 32 includes base station, in addition to mobile management entity and/or newly-increased net
Member；Acquisition module 311 in above-described embodiment is used for logical to other by mobile management entity and/or newly-increased network element acquisition base station
Believe messaging parameter when terminal sends paging signal, messaging parameter includes base station and sends paging signal when institute to other communication terminals
Using the subframe numbers of subframe, the frame number of the affiliated paging frame of the subframe and paging cycle or UE_ID, paging cycle T and seek
Pager can count the messaging parameters such as nB.
Fig. 5 is a kind of schematic diagram of acquisition module in Fig. 4；As shown in Figure 5, in the present embodiment, in embodiment illustrated in fig. 4
Acquisition module 311 include be connected with each other selection submodule 3111, sending submodule 3112, receiving submodule 3113 and extraction
Submodule 3114, now：
Submodule 3111 is selected to be used for user's selection target communication terminal of source terminal 31；Source terminal user's selection target is led to
The mode for believing terminal can be that source terminal user selects at least one from the buddy list that it is stored and/or in known communication terminal
Individual communication terminal is as target communications terminal, and then discovery feature while realize single or multiple target communications terminals；
The discovery that sending submodule 3112 is used to send terminal direct communication to the network side equipments such as base station 32 is asked, the hair
Now request carries the identification information of target communications terminal；When the mode of the selection selection target communication terminal of submodule 3111 is source end
Hold from the buddy list of its storage and/or select at least one communication terminal as target communications terminal in known communication terminal
When, sending submodule 3112 sends the identification information for finding that request carries target communications terminal to base station, and the identification information can be with
It is that the telephone number of target communications terminal, the UE_ID of terminal or IMEI etc. can be with the information of unique mark terminal identity；
Receiving submodule 3113 is used for the response signal for receiving the feedback of the network side equipments such as base station 32；Response signal carries
Base station to target communications terminal send paging signal when messaging parameter；The mark of target communications terminal is carried when base station receives
When knowing the discovery request of information, the identification information of the target communications terminal of its carrying is extracted, transfers to mobile management entity and/or new
Increase network element, mobile management entity and/or newly-increased network element according to identification information-enquiry to corresponding target communications terminal, will inquire
Base station to the target communications terminal send paging signal when messaging parameter be added in response signal, and feed back to transmission should
It was found that the source terminal of request；
Extracting sub-module 3114 is used to extract the messaging parameter in response signal, and what is now extracted is that network side is worked as in base station
Messaging parameter when equipment is communicated with the target communications terminal selected by selection submodule 3111.
Predictably, it is necessary that the selection submodule 3111 in embodiment illustrated in fig. 4, which is not, when in the absence of selection
It is target communications terminal being set as being communicated with base station and in the D2D communication ranges of source terminal during submodule 3111
Interior all communication terminals.
In the embodiment shown in fig. 5, sending module 312 is used for using paging cycle as the cycle, is communicated in base station to other
All resource-niches of subframe or adjacent sub-frames corresponding to subframe numbers in paging frame corresponding to the frame number of terminal transmission paging signal
Put, periodic rotation, which is sent, finds signal.
In other embodiments, sending module 312 is additionally operable to using the base station paging cycle set to communication terminal as the cycle,
One in 4 default cycles is taken, the son in paging frame corresponding to base station to the frame number of communication terminal transmission paging signal
On the resource location of subframe corresponding to frame number and/or adjacent sub-frames, periodic rotation, which is sent, finds signal.
In other embodiments, sending module 312 is additionally operable under the control of source terminal itself and/or network side equipment,
Determine that it sends the transmission cycle for finding signal and quantity forwarded, and sent according to transmission cycle and quantity forwarded and find signal.
Carry out further instruction terminal provided by the present invention with reference to Fig. 2 to Figure 10 c, background technology and application example
Find that the source terminal in signaling method sends the method for finding signal, figure according to the messaging parameter got in direct communication
6 subframe numbers into Figure 10 c representated by black background white font are that source terminal may be used for sending the resource-niche for finding signal
Put.
It is that base station is by the specific sub-frame in specific paging frame when communication terminal is communicated with base station（One paging
Frame includes 10 subframes, numbering 0,1 ..., 9）To send paging signal, and LTE technologies are divided into TDD（Time division duplex）
And FDD（FDD）Two general orientation, now citing illustrate for the LTE technologies in FDD directions（For fdd mode, base station is logical
The numbering crossed in paging frame is that " 0,4,5,9 " subframe carries out the paging to communication terminal；To tdd mode, base station is to pass through
Numbering in paging frame is that " 0,1,5,6 " subframe carries out the paging to communication terminal）, and do following hypothesis：Source terminal is only
There is one, base station also only has one, and the number of target communications terminal is indefinite；It is different to target communications terminal number separately below
In the case of explain：
Fig. 6 is that communication terminal of the prior art sends the schematic diagram for finding signal；It will be appreciated from fig. 6 that in the prior art,
Sources traffic terminal finds that the transmission of signal is probably to be continuously transmitted in any subframe of radio frames, because destinations traffic is whole
End is likely to be at IDLE（It is idle）State, this mechanism for finding signal that sends can cause to be in IDLE（It is idle）The target of state
Communication terminal constantly detects reception and finds signal, does not have the effect of periodic receipt finds signal, causes both-end terminal
Power wastage, while cause the waste of network radio resources.
Fig. 7 is that terminal sends the schematic diagram for finding signal in one embodiment of the invention；Now, in embodiment illustrated in fig. 3
Communication system also includes 1 target communications terminal, now, sends and finds for a specific target communications terminal for source terminal
Signal, by the implementation of embodiment illustrated in fig. 2, know that the target communications terminal is in IDLE shapes according to the messaging parameter of acquisition
State, using the base station acquired to the target communications terminal send paging signal when paging frame used and sub-frame resources position
Put, or parameter can be counted etc. by the UE_ID information of target communications terminal, the DRX cycle T residing for it and pager and calculated, really
It is that frame number is " PF to have determined the messaging parameter that base station sends paging signal to the target communications terminal（i）" paging frame in subframe
Number be " 0 " subframe；Then source terminal only periodically sends discovery signal in the position shown in Fig. 7；Target communications terminal only exists
While receiving the paging signal that base station is sent, detect and receive discovery signal.
Fig. 8 is that terminal sends the schematic diagram for finding signal in another embodiment of the present invention；Now, in embodiment illustrated in fig. 3
Communication system also include 4 target communications terminals, due to the implementation by embodiment illustrated in fig. 2, it is determined that base station to these
Messaging parameter during target communications terminal transmission paging signal is respectively that frame number is " PF（i）" paging frame in subframe numbers be
" 0 ", " 4 ", " 5 ", the subframe of " 9 "；Source terminal only periodically sends discovery signal in the position shown in Fig. 8；Destinations traffic is whole
Only while the paging signal that base station is sent is received, detect and receive discovery signal in end.
Fig. 9 is that terminal sends the schematic diagram for finding signal in another embodiment of the present invention；Now, in embodiment illustrated in fig. 3
Communication system also include N number of communication terminal, due to the implementation by embodiment illustrated in fig. 2, it is determined that base station is to these targets
The messaging parameter that communication terminal sends paging signal is respectively that frame number is " PF（1）”、“PF（2）”、……、“PF（N）" paging
Subframe numbers in frame are the subframe of " 0 "；Source terminal only periodically sends discovery signal in the position shown in Fig. 9；Destinations traffic
Terminal only while the paging signal that base station is sent is received, detects and receives discovery signal.
Figure 10 a, 10b, 10c are that terminal sends the schematic diagram for finding signal in another embodiment of the present invention；Now, Fig. 3 institutes
Show that the communication system in embodiment also includes N number of communication terminal, and do not know the information such as each UE UE_ID, according to base station calling
Paging cycle used in terminal carries out periodically traveling through the position of idle-state terminals paging frame and subframe in be found group.Due to logical
Cross the implementation of embodiment illustrated in fig. 2, it is determined that the messaging parameter that base station sends paging signal to these communication terminals is respectively frame
Number it is " PF（1）”、“PF（2）”、……、“PF（i）" paging frame in subframe numbers be " 0 ", " 4 ", " 5 ", the subframe of " 9 "；By
It is more chaotic in the messaging parameter of so target communications terminal, control of the source terminal in source terminal itself and/or network side equipment
Under, determine that it sends the transmission cycle for finding signal and quantity forwarded, and sent according to transmission cycle and quantity forwarded and find letter
Number, such as discovery signal can be periodically sent in the way of shown in Figure 10 a, 10b, 10c；Communication terminal is only receiving base
Stand send paging signal while, detect and receive source terminal transmission discovery signal；It is specifically：
Reference picture 10a mode：Source terminal selects to select one or more in a paging cycle under the control of base station
It is individual（Figure 10 a are shown as a paging frame）All subframes under paging frame are transmitted the mode for finding signal, are specifically；Source
Terminal selects all subframes under another or multiple paging frames to send in next cycle and finds signal；Travel through periodically
Complete the paging frame of the target communications terminal of all idle conditions of source terminal and the position of subframe sends and finds signal；Target is led to
Believe that terminal according to the paging cycle and messaging parameter of oneself, receives on corresponding paging frame and subframe position and finds signal, neglect
Discovery signal on oneself slightly non-paging frame and subframe.
Reference picture 10b mode：Source terminal selects to select all pagings in a paging cycle under the control of base station
One or more subframes of frame（Figure 10 b are a subframe of all paging frames in a paging cycle）Send the side for finding signal
Formula, it is specifically；Source terminal selects another or multiple subframes of all paging frames to send in next cycle and finds letter
Number；Traversal completes the paging frame of the target communications terminal of all idle conditions of source terminal periodically and the position of subframe sends hair
Existing signal；Target communications terminal connects according to oneself paging cycle and messaging parameter on corresponding paging frame and subframe position
The existing signal of transmitting-receiving, ignores the discovery signal in oneself non-paging frame and subframe.
Reference picture 10c mode：Source terminal selects to select one or more in a paging cycle under the control of base station
One or more subframes of individual paging frame（Figure 10 c are shown as two subframes of three paging frames in a paging cycle）Sent out
The mode for finding signal is sent, is specifically；Source terminal selects one or more of other paging frame in next cycle
Frame, which is sent, finds signal；Traversal completes the paging frame and subframe of the target communications terminal of all idle conditions of source terminal periodically
Position send find signal；Target communications terminal according to the paging cycle and messaging parameter of oneself, in corresponding paging frame and
Received in subframe position and find signal, ignore the discovery signal in oneself non-paging frame and subframe.
By the implementation of the present invention, the transmission phase of discovery signal, source terminal get network in terminal direct communication
The messaging parameter that side apparatus is communicated with other communication terminals, and according to the messaging parameter, only network side equipment to other
Communication terminal sends while sending signal of communication and finds signal, and in guarantee, other communication terminals can receive the discovery signal
While, avoid source terminal be transmitted in all radio frames find signal caused by the communication resource waste, reduce
The communications burden of communication network；Simultaneously as while source terminal and other communication terminals only send paging signal in base station
Transmission/reception finds signal, saves the electricity of communication terminal, has also speeded up the discovery speed of target communications terminal and source terminal
Rate, add the usage experience of user.
It the above is only the embodiment of the present invention, any formal limitation not done to the present invention, it is every
Any simple modification, equivalent variations or the modification that technical spirit according to the present invention is made to embodiment of above, still fall within
The protection domain of technical solution of the present invention.
Claims (12)
1. the sending method of signal is found in a kind of terminal direct communication, it is characterised in that including：
Source terminal selection target communication terminal；
Base station of the source terminal into network side equipment sends the discovery request of terminal direct communication；It is described to find that request carries
The identification information of target communications terminal；
The source terminal receives the response signal of the base station feedback；The response signal carries the base station to the target
Communication terminal sends messaging parameter during paging signal；
The source terminal extracts the messaging parameter in the response signal；
The source terminal sends according to the messaging parameter and finds signal.
2. the sending method of signal is found as claimed in claim 1, it is characterised in that the network side equipment also includes movement
Management entity and/or newly-increased network element；The messaging parameter includes the base station and sends paging signal when institute to other communication terminals
Use the subframe numbers of subframe, the frame number and paging cycle of the affiliated paging frame of the subframe.
3. the sending method of signal is found as claimed in claim 2, it is characterised in that the source terminal is joined according to the communication
Number sends the step of finding signal：The source terminal leads to using paging cycle as the cycle in the base station to the target
Believe that terminal sends subframe corresponding to subframe numbers corresponding to the frame number of paging signal in paging frame or adjacent sub-frames
On resource location, periodic rotation, which is sent, finds signal.
4. the sending method of signal is found as claimed in claim 2, it is characterised in that the source terminal is joined according to the communication
Number sends the step of finding signal：Source terminal is using the base station paging cycle set to communication terminal as the cycle, in base station
The resource of subframe or adjacent sub-frames corresponding to the subframe numbers in paging frame corresponding to the frame number of paging signal is sent to communication terminal
On position, periodic rotation, which is sent, finds signal.
5. the sending method of the discovery signal as described in claim 3 or 4, it is characterised in that the periodicity rotation sends hair
Now the step of signal is specially：Source terminal determines that it sends the hair for finding signal under itself and/or the control of network side equipment
Cycle and quantity forwarded are sent, and is sent according to transmission cycle and quantity forwarded and finds signal.
6. a kind of communication terminal, it is characterised in that including acquisition module and sending module；The acquisition module includes selection submodule
Block, sending submodule, receiving submodule and extracting sub-module；Wherein,
The selection submodule is used for selection target communication terminal；
The base station that the sending submodule is used for into network side equipment sends the discovery request of terminal direct communication；The discovery
Request carries the identification information of target communications terminal；
The receiving submodule is used for the response signal for receiving the base station feedback；The response signal carry the base station to
The target communications terminal sends messaging parameter during paging signal；
The extracting sub-module is used to extract the messaging parameter in the response signal；
The messaging parameter that the sending module is used to be got according to the acquisition module, which is sent, finds signal.
7. communication terminal as claimed in claim 6, it is characterised in that the network side equipment also includes mobile management entity
And/or newly-increased network element；The messaging parameter includes using subframe when the base station sends paging signal to other communication terminals
Subframe numbers, the frame number and paging cycle of the affiliated paging frame of the subframe.
8. communication terminal as claimed in claim 7, it is characterised in that the sending module is additionally operable to using paging cycle as week
Phase, the subframe in paging frame corresponding to the base station to the frame number of target communications terminal transmission paging signal
On the resource location of subframe corresponding to number or adjacent sub-frames, periodic rotation, which is sent, finds signal.
9. communication terminal as claimed in claim 7, it is characterised in that the sending module is additionally operable to base station to communication terminal
Set paging cycle is the cycle, the subframe numbers in paging frame corresponding to base station to the frame number of communication terminal transmission paging signal
On the resource location of corresponding subframe or adjacent sub-frames, periodic rotation, which is sent, finds signal.
10. communication terminal as claimed in claim 8 or 9, it is characterised in that the sending module is additionally operable in source terminal itself
And/or under the control of network side equipment, determine that it sends the transmission cycle for finding signal and quantity forwarded, and according to the transmission cycle
Sent with quantity forwarded and find signal.
11. a kind of communication system, it is characterised in that including the communication terminal as described in any one of claim 6 to 10 as source
Terminal and network side equipment；The source terminal is used to obtain when the network side equipment is communicated with other communication terminals
Messaging parameter, and sent according to the messaging parameter and find signal.
12. communication system as claimed in claim 11, it is characterised in that the network side equipment includes base station, in addition to moves
Dynamic management entity and/or newly-increased network element；The source terminal is used to obtain institute by the mobile management entity and/or newly-increased network element
Base station is stated to messaging parameter during other communication terminals transmission paging signal, it is logical to other that the messaging parameter includes the base station
Letter terminal uses subframe numbers, the frame number and paging cycle of the affiliated paging frame of the subframe of subframe when sending paging signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310019971.6A CN103945497B (en) | 2013-01-18 | 2013-01-18 | Sending method, communication terminal and the system of signal are found in terminal direct communication |
| PCT/CN2013/087500 WO2014110938A1 (en) | 2013-01-18 | 2013-11-20 | Discovery signal sending method, communication terminal and system in device to device communication |
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| CN201310019971.6A CN103945497B (en) | 2013-01-18 | 2013-01-18 | Sending method, communication terminal and the system of signal are found in terminal direct communication |
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| CN105376869B (en) * | 2014-08-22 | 2020-04-03 | 中兴通讯股份有限公司 | Method, system and access point for sending discovery signal on unauthorized carrier |
| CN107113550A (en) * | 2015-01-14 | 2017-08-29 | 诺基亚通信公司 | Methods, devices and systems |
| CN107409313B (en) * | 2015-04-10 | 2021-09-07 | 富士通株式会社 | Discovery signal transmission method and device and communication system |
| US10075930B2 (en) * | 2015-05-04 | 2018-09-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for transmitting device-to-device (D2D) synchronization signals |
| CN104936132B (en) | 2015-05-29 | 2019-12-06 | Oppo广东移动通信有限公司 | Machine type communication method, terminal and base station |
| CN106550343B (en) * | 2015-09-21 | 2020-11-10 | 华为技术有限公司 | End-to-end communication site discovery method, site and access point |
| CN107615827B (en) * | 2015-12-16 | 2020-09-25 | 华为技术有限公司 | User access method and user equipment |
| CN110167108B (en) | 2018-02-13 | 2021-01-29 | 华为技术有限公司 | Method and device for signal transmission |
| WO2020042180A1 (en) * | 2018-08-31 | 2020-03-05 | 华为技术有限公司 | Reference signal receiving and sending method, device, and system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101453788A (en) * | 2007-12-03 | 2009-06-10 | 华为技术有限公司 | Method and apparatus for determining paging time |
| CN102547984A (en) * | 2012-02-23 | 2012-07-04 | 华为技术有限公司 | Method and device for paging in device-to-device communication |
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| US10251146B2 (en) * | 2009-12-11 | 2019-04-02 | Qualcomm Incorporated | Apparatus and method for network-initiated attachment and registration-less paging |
-
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101453788A (en) * | 2007-12-03 | 2009-06-10 | 华为技术有限公司 | Method and apparatus for determining paging time |
| CN102547984A (en) * | 2012-02-23 | 2012-07-04 | 华为技术有限公司 | Method and device for paging in device-to-device communication |
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| CN103945497A (en) | 2014-07-23 |
| WO2014110938A1 (en) | 2014-07-24 |
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