CN105050204B - A kind of method of communication, terminal and base station - Google Patents
A kind of method of communication, terminal and base station Download PDFInfo
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- CN105050204B CN105050204B CN201510501894.7A CN201510501894A CN105050204B CN 105050204 B CN105050204 B CN 105050204B CN 201510501894 A CN201510501894 A CN 201510501894A CN 105050204 B CN105050204 B CN 105050204B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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Abstract
The embodiment of the invention discloses a kind of methods of communication, comprising: terminal obtains the system information block message that base station is sent, and includes the parameter information for selecting link terminal in the system information block message；The terminal judges whether itself meets the condition as link terminal according to the parameter information；If the terminal meets the condition for becoming link terminal, it is used as link terminal broadcast relay notification message, informs the remote terminal in its signal cover, the terminal provides relay services.The embodiment of the invention also discloses a kind of terminal and base stations.Using the present invention, terminal initial can be turned to link terminal and complete relayed communications.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of methods of communication, terminal and base station.
Background technique
Equipment and equipment (Device-to-Device, abbreviation D2D) communication are a kind of under the control of system, allow terminal
Between the new technique that is directly communicated by reuse pattern resource, it can increase frequency spectrum efficiency of cellular communication system, drop
Low terminal transmission power solves the problems, such as that wireless communication system frequency spectrum resource is deficient to a certain extent.The D2D communication technology is specific
Direct communication can be carried out by referring between terminal, without the transmission or forwarding by equipment such as base stations.D2D can be deployed in bee
In nest network coverage and/or outside network coverage.The function of link terminal is the new features introduced in D2D communication,
Its deployment is very flexible, can expand network coverage in the case where not increasing conventional network equipment, in business telecommunication, public affairs
There is important application in secure communication (such as earthquake, war) field altogether.Therefore D2D communication and link terminal have good application
Prospect.
Due to the terminal only common before becoming link terminal of the terminal under base station range, it is therefore desirable to it
It is initialized, so that it carries out data forwarding for base station and remote terminal, completes the effect of relaying.But in existing agreement
In specification, there is no the concrete schemes that Repeating initialization is carried out to terminal.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that providing a kind of method of communication, terminal and base station.With solution
Certainly how terminal is initialized as the problem of link terminal is to complete relayed communications.
In order to solve the above-mentioned technical problem, first aspect of the embodiment of the present invention provides a kind of method of communication, comprising:
Terminal obtains the system information block message that base station is sent, and includes for selecting relaying in the system information block message
The parameter information of terminal；
The terminal judges whether itself meets the condition as link terminal according to the parameter information；
If the terminal meets the condition for becoming link terminal, it is used as link terminal broadcast relay notification message, is informed
Remote terminal in its signal cover, the terminal provide relay services.
Wherein, the terminal obtains the system information block message that base station is sent, comprising:
Can the terminal prejudges itself according to power capacity and/or Reference Signal Received Power become relaying eventually
End；
If the terminal, which prejudges itself according to power capacity and/or Reference Signal Received Power, can become relaying eventually
End, then the Repeating initialization request message that transmission is used to request to become link terminal to the base station；
Receive the system information block message that the base station returns.
Wherein, the terminal obtains the system information block message that base station is sent, comprising:
The system information block message of base station periodic broadcast described in the terminal monitoring.
Wherein, the terminal obtains the system information block message that base station is sent, comprising:
Can the terminal prejudges itself according to power capacity and/or Reference Signal Received Power become relaying eventually
End；
If the terminal, which prejudges itself according to power capacity and/or Reference Signal Received Power, can become relaying eventually
End, then monitor the system information block message of the base station broadcast.
Wherein, described for selecting the parameter information of link terminal, including Reference Signal Received Power threshold value and
The number threshold value of cell change in preset time.
Wherein, described for selecting the parameter information of link terminal, further include at least one of following information:
For characterizing the power threshold of terminal service ability, the power threshold includes corresponding executable scheduling of resource
The first threshold value, correspondence can service the remote terminal outside the base station signal coverage area the second threshold value and it is corresponding only
The third threshold value of the terminal in the base station signal covering can be serviced；
The number threshold value of the remote terminal of service.
Wherein, before the system information block message that the terminal obtains that base station is sent, further includes:
The relay request for monitoring the remote terminal in the terminal signaling coverage area, it is corresponding to record the relay request
Information, wherein the corresponding information of the relay request includes initiating the remote terminal quantity and/or relay request of relay request
Priority；
Determine whether to execute according to the corresponding information of the relay request and/or the terminal ability information and be held according to power
Amount and/or Reference Signal Received Power prejudge the step of can itself become link terminal.
Second aspect of the embodiment of the present invention provides a kind of method of communication, comprising:
Base station periodic broadcast system information block message, comprising for selecting link terminal in the system information block message
Parameter information, so as to terminal according to the parameter information determine itself meet become link terminal condition after, as in
Notification message is relayed after terminal broadcast, informs the remote terminal in its signal cover, the terminal provides relay services；Or
Person
Link terminal can be become by prejudging itself according to power capacity and/or Reference Signal Received Power in the terminal
Later, base station receives the Repeating initialization request message for being used to request to become link terminal that the terminal is sent, return system
Block of information message is to the terminal, comprising the parameter information for selecting link terminal in the system information block message, so as to
After the terminal determines the condition that itself satisfaction becomes link terminal according to the parameter information, as in link terminal broadcast
After notification message, the remote terminal in its signal cover is informed, the terminal provides relay services.
Wherein, if the base station receives the Repeating initialization request message more than preset times in preset period of time,
Extend the period of broadcast system information block message.
Wherein, described for selecting the parameter information of link terminal, including Reference Signal Received Power threshold value and
The number threshold value of cell change in preset time.
Wherein, described for selecting the parameter information of link terminal, further include at least one of following information:
For characterizing the power threshold of terminal service ability, the power threshold includes corresponding executable scheduling of resource
The first threshold value, correspondence can service the remote terminal outside the base station signal coverage area the second threshold value and it is corresponding only
The third threshold value of the terminal in the base station signal covering can be serviced；
The number threshold value of the remote terminal of service.
Wherein, before base station transmission system block of information message to terminal or periodic broadcast system information block message, also
Include:
Obtain the relaying demand of current remote terminal and/or the priority of relay request；
Believed according to the priority selection cycle broadcast system of the relaying demand of current remote terminal and/or relay request
It ceases block message or is only returned when receiving Repeating initialization request message to send the terminal of Repeating initialization request message
System information block message.
Correspondingly, the third aspect of the embodiment of the present invention provides a kind of terminal, comprising:
Acquiring unit includes use in the system information block message for obtaining the system information block message of base station transmission
In the parameter information of selection link terminal；
Judging unit, for judging whether the terminal meets the condition as link terminal according to the parameter information；
Radio unit, if meeting the condition for becoming link terminal, the radio unit broadcast relay for the terminal
Notification message, informs the remote terminal in its signal cover, and the terminal provides relay services.
Wherein, the acquiring unit is specifically used for:
The terminal, which can be prejudged, according to power capacity and/or Reference Signal Received Power become link terminal；
If the terminal can become link terminal, send for requesting the Repeating initialization request as link terminal to disappear
It ceases to the base station；
Receive the system information block message that the base station returns.
Wherein, the acquiring unit is specifically used for:
Monitor the system information block message of the base station periodic broadcast.
Wherein, the acquiring unit is specifically used for:
The terminal, which can be prejudged, according to power capacity and/or Reference Signal Received Power become link terminal；
If the terminal can become link terminal, the system information block message of the base station broadcast is monitored.
Wherein, described for selecting the parameter information of link terminal, including Reference Signal Received Power threshold value and
The number threshold value of cell change in preset time.
Wherein, described for selecting the parameter information of link terminal, further include at least one of following information:
For characterizing the power threshold of terminal service ability, the power threshold includes corresponding executable scheduling of resource
The first threshold value, correspondence can service the remote terminal outside the base station signal coverage area the second threshold value and it is corresponding only
The third threshold value of the terminal in the base station signal covering can be serviced；
The number threshold value of the remote terminal of service.
Wherein, further includes:
Determination unit, for monitoring the terminal before the system information block message that the terminal obtains that base station is sent
The relay request of remote terminal in signal cover records the corresponding information of the relay request, wherein the relaying is asked
Seeking corresponding information includes initiating the priority of the remote terminal quantity and/or relay request of relay request；
Determine whether to execute according to the corresponding information of the relay request and/or the terminal ability information and be held according to power
Amount and/or Reference Signal Received Power prejudge the step of can itself become link terminal.
Fourth aspect of the embodiment of the present invention provides a kind of base station, comprising:
Transmission unit is used for periodic broadcast system information block message, includes for selecting in the system information block message
Select the parameter information of link terminal, so as to terminal according to the parameter information determine itself meet become link terminal condition it
Afterwards, as link terminal broadcast relay notification message, the remote terminal in its signal cover is informed, during the terminal provides
After service；Or include:
Receiving unit, for prejudging itself according to power capacity and/or Reference Signal Received Power in the terminal
After link terminal capable of being become, receives the Repeating initialization request as link terminal that is used to request that the terminal is sent and disappear
Breath；
Transmission unit includes use in the system information block message for return system block of information message to the terminal
In the parameter information of selection link terminal, become link terminal so that the terminal determines that itself meets according to the parameter information
Condition after, as link terminal broadcast relay notification message, inform the remote terminal in its signal cover, the end
End provides relay services.
Wherein, the transmission unit is also used to:
If the receiving unit receives the Repeating initialization request message more than preset times in preset period of time, prolong
The period of long broadcast system information block message.
Wherein, described for selecting the parameter information of link terminal, including Reference Signal Received Power threshold value and
The number threshold value of cell change in preset time.
Wherein, described for selecting the parameter information of link terminal, further include at least one of following information:
For characterizing the power threshold of terminal service ability, the power threshold includes corresponding executable scheduling of resource
The first threshold value, correspondence can service the remote terminal outside the base station signal coverage area the second threshold value and it is corresponding only
The third threshold value of the terminal in the base station signal covering can be serviced；
The number threshold value of the remote terminal of service.
Wherein, the transmission unit is also used to: being believed sending system information block message to terminal or periodic broadcast system
Before ceasing block message, the relaying demand of current remote terminal and/or the priority of relay request are obtained；
Believed according to the priority selection cycle broadcast system of the relaying demand of current remote terminal and/or relay request
It ceases block message or is only returned when receiving Repeating initialization request message to send the terminal of Repeating initialization request message
System information block message.
The implementation of the embodiments of the present invention has the following beneficial effects:
The system information block message sent by obtaining base station, thus learn the parameter information for selecting link terminal,
Terminal can determine the condition itself whether met as link terminal according to these parameter informations, and directly make when meeting
For link terminal broadcast relay notification message, the remote terminal in its signal cover, following the service in the terminal offer are informed
Business, is filled out so as to complete the process of Repeating initialization so that remote terminal can be sent to it relay request to complete relayed communications
The blank of existing protocol specification has been mended, conducive to the relay request of link terminal quick response remote terminal, is provided for remote terminal
More preferably relay services.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the flow diagram of the first embodiment for the method that the present invention communicates；
Fig. 2 is the Signalling exchange schematic diagram of the second embodiment for the method that the present invention communicates；
Fig. 3 is the Signalling exchange schematic diagram of the 3rd embodiment for the method that the present invention communicates；
Fig. 4 is the Signalling exchange schematic diagram of the fourth embodiment for the method that the present invention communicates；
Fig. 5 is the flow diagram of the 5th embodiment of the method that the present invention communicates；
Fig. 6 is the composition schematic diagram of the first embodiment of terminal of the present invention；
Fig. 7 is the composition schematic diagram of the second embodiment of terminal of the present invention；
Fig. 8 is the composition schematic diagram of base station of the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 is please referred to, for the flow diagram of the first embodiment of the method for the invention communicated, in the present embodiment, institute
State method the following steps are included:
S101, terminal obtain the system information block (System Information Block, abbreviation SIB) that base station is sent and disappear
Breath.
Wherein, the parameter information for selecting link terminal is included in the system information block message.These parameter informations
It can be used as the standard of base station selected link terminal.
Optionally, described for selecting the parameter information of link terminal, including Reference Signal Received Power (Reference
Signal Receiving Power, abbreviation RSRP) threshold value and the number threshold value of cell change within a preset time.
Wherein, RSRP is the key parameter and physical layer measurement demand that wireless signal strength can be represented in LTE network
One of, it is the average value of the signal power received in all resource particles (RE) for carry in some symbol reference signal.
When the RSRP numerical value of only terminal reaches certain threshold value, terminal is likely to use as link terminal；And in preset time
The number of cell change can then characterize the stability of terminal, if it is excessive in the number that preset time such as changes in 24 hours,
When more than threshold value, then the standard of link terminal is not met, it could be more preferably stable when being only lower than the number threshold value of setting
It is that remote terminal provides relay services.
It should be noted that two threshold values herein can be arranged or be mentioned when equipment is dispatched from the factory by equipment production firm
It selects, can also be customized by the user, the embodiment of the present invention is not limited in any way for user for several setting options.
Optionally, described for selecting the parameter information of link terminal other than above-mentioned two parameter information, it can be with
Including at least one of following information:
For characterizing the power threshold of terminal service ability, the power threshold includes corresponding executable scheduling of resource
The first threshold value, correspondence can service the remote terminal outside the base station signal coverage area the second threshold value and it is corresponding only
The third threshold value of the terminal in the base station signal covering can be serviced；
The number threshold value of the remote terminal of service.
It is secondary link by the link definition between D2D terminal, and define two kinds of resources distribution side in 3GPP technology
Formula: scheduling method and resource pool ideoelectotype.It, can be according to the configuration of base station when terminal is in base station network coverage area
Resource allocation is carried out using any mode；When using resource pool ideoelectotype, resource pool information is by base station by wirelessly providing
Source controls (Radio Resource Control, abbreviation RRC) (SIB18) setting, and covering model is informed by way of broadcast
The terminal resource pool information in enclosing.And for the terminal that can be used as link terminal, base station when terminal, is gone back in selecting
Power threshold can be set to be screened, and power threshold can also carry out stepped differentiation.For example, being divided into three
A power threshold respectively corresponds the ability of different stage, and when the power of terminal reaches different threshold values, base station can
Select terminal as suitable link terminal according to its ability.
Moreover, base station can also select terminal by the number threshold value of the remote terminal of setting service.Its
In, terminal can monitor whether the remote terminal in its model coverage area is more than its service ability, can not be into if being more than
The initialization of row link terminal, or Repeating initialization can also be carried out but excluded in relay services partial distance farther out or
The weaker remote terminal of signal.And when base station sets the quantity of service requirement that must satisfy in reference information, then terminal must
Number threshold value requirement must be reached, be likely to by base station selected as link terminal.
It should be noted that above parameter information can be limited individually, the restriction of any combination can also be carried out, thus
Realize flexibly selected and filtered to whether terminal can become link terminal.
S102, the terminal judge whether itself meets the condition as link terminal according to the parameter information.If full
Foot, thens follow the steps S103, otherwise without carrying out any processing.
It specifically, can root after terminal gets the parameter information for selecting link terminal from SIB message
It is compareed and is matched according to these parameter informations.If terminal is able to satisfy all conditions, it is initial that relaying can be continued to execute
Otherwise the step of change, then illustrates that terminal does not have the ability as link terminal, no longer need to carry out Repeating initialization.
S103 informs the remote terminal in its signal cover as link terminal broadcast relay notification message, described
Terminal provides relay services.
Optionally, the terminal in base station signal coverage area can be 0, be also possible to one or more, wherein
The terminal quantity for having relay capabilities is also likely to be 0, one or more.When terminal meets relaying by the judgement of parameter information
After the requirement of terminal, link terminal can be become, when satisfactory terminal quantity is greater than two, the two terminals are all
Link terminal can be become.Since base station does not know whether terminal becomes link terminal, it is also not involved in link terminal initialization pipe
Reason is selected with link terminal, and terminal only needs voluntarily to judge and complete Repeating initialization according to the reference information in SIB message, because
This can greatly promote link terminal initialization process, so that the relay request of remote terminal is responded faster.
The system information block message sent by obtaining base station, thus learn the parameter information for selecting link terminal,
Terminal can determine the condition itself whether met as link terminal according to these parameter informations, and directly make when meeting
For link terminal broadcast relay notification message, the remote terminal in its signal cover, following the service in the terminal offer are informed
Business, is filled out so as to complete the process of Repeating initialization so that remote terminal can be sent to it relay request to complete relayed communications
The blank of existing protocol specification has been mended, conducive to the relay request of link terminal quick response remote terminal, is provided for remote terminal
More preferably relay services.
Referring to figure 2., the Signalling exchange schematic diagram of the second embodiment of the method communicated for the present invention, in the present embodiment
In, the framework of entire communication system includes base station, terminal 1 and terminal 2, wherein and terminal 1 is to have the terminal of relay capabilities,
Achievable Repeating initialization after the process described in the present embodiment carries out the functions such as data forwarding as link terminal.Terminal 2
For remote terminal, has relaying demand.Specifically, three interaction flow the following steps are included:
1. can terminal 1 prejudges itself according to power capacity and/or Reference Signal Received Power become link terminal.
Terminal 1 can be judged according to currently detected some data herein, can also be carried out according to historical data
Judgement, the embodiment of the present invention are not limited in any way.
2. if sending link terminal can be become by prejudging for requesting the Repeating initialization as link terminal to be requested
Message is to base station.
3. base station in response relay request initial message, return system block of information message is to terminal 1.
4. terminal 1 judges whether itself meets as link terminal according to the parameter information that system information block message includes
Condition.
5. if terminal 1 becomes link terminal terminal 1 meets the condition for becoming link terminal.
6. broadcast relay notification message.Inform that the remote terminal in its signal cover can provide relay services.
In embodiments of the present invention, it since terminal needs first to carry out the pre- judgement of relay condition, and is actively reported to base station
Repeating initialization request message, the Repeating initialization tendency of signals base oneself, so that relaying establishment process is the most actively, in this way
The relay request of remote terminal, that is, terminal 2 can be responded faster；And it includes alternatively to mark that base station, which is not required to active broadcast,
The SIB message of quasi- parameter information, therefore can largely save signaling consumption.
Referring to figure 3., the Signalling exchange schematic diagram of the 3rd embodiment of the method communicated for the present invention；In the present embodiment
In, the framework of entire communication system includes base station, terminal 1 and terminal 2, wherein and terminal 1 is to have the terminal of relay capabilities,
Achievable Repeating initialization after the process described in the present embodiment carries out the functions such as data forwarding as link terminal.Terminal 2
For remote terminal, has relaying demand.Specifically, three interaction flow the following steps are included:
1. the system information block message of the monitoring base station periodic broadcast of terminal 1.
2. base station periodic broadcast system information block message.
3. terminal 1 judges whether itself meets as link terminal according to the parameter information that system information block message includes
Condition.
4. if terminal 1 becomes link terminal terminal 1 meets the condition for becoming link terminal.
5. broadcast relay notification message.Inform that the remote terminal in its signal cover can provide relay services.
In embodiment, terminal is not necessarily to the process that is judged in advance, need to monitor the SIB message of base station broadcast, and according to
The parameter information wherein carried judges that itself whether meeting relaying requires, if meeting, is directly becoming link terminal, broadcast relay
Notification message carries out relaying pre- deterministic process bring process and corresponding energy consumption so as to reduce terminal, can be more into one
Step promotes the speed of Repeating initialization.
Referring to figure 4., the Signalling exchange schematic diagram of the fourth embodiment of the method communicated for the present invention.In the present embodiment
In, the framework of entire communication system includes base station, terminal 1 and terminal 2, wherein and terminal 1 is to have the terminal of relay capabilities,
Achievable Repeating initialization after the process described in the present embodiment carries out the functions such as data forwarding as link terminal.Terminal 2
For remote terminal, has relaying demand.Specifically, three interaction flow the following steps are included:
1. can terminal 1 prejudges itself according to power capacity and/or Reference Signal Received Power become link terminal.
2. if monitoring the system information block message of base station broadcast link terminal can be become by prejudging.
3. the system information block message of base station periodic broadcast.
4. terminal 1 judges whether itself meets as link terminal according to the parameter information that system information block message includes
Condition.
5. if terminal 1 becomes link terminal terminal 1 meets the condition for becoming link terminal.
6. broadcast relay notification message.Inform that the remote terminal in its signal cover can provide relay services.
In the present embodiment, the terminal for performing relay condition anticipation cutout journey does not actively send Repeating initialization to base station
Request message is inclined to showing that its is relayed, but after listening to the SIB message of base station broadcast, then responded, it triggers according to ginseng
Number information carries out the process of second of judgement.Compared to second embodiment, although since terminal does not have active signals base relaying
Tendency cause relay establishment process speed reduce, but but also therefore can reduce terminal reporting message bring consumption, relaying
Balance is achieved between initialization speed and terminal consumption.
By above second to fourth embodiment description, three kinds of modes of Repeating initialization of the present invention are illustrated,
Optionally, in addition, before the system information block message that the terminal obtains that base station is sent, further includes:
The relay request for monitoring the remote terminal in the terminal signaling coverage area, it is corresponding to record the relay request
Information, wherein the corresponding information of the relay request includes initiating the remote terminal quantity and/or relay request of relay request
Priority；The priority of relay request herein can be regarded as the urgency level of relay task, and priority is higher, and relay task is got over
Promptly, it needs to handle as early as possible.
Determine whether to execute according to the corresponding information of the relay request and/or the terminal ability information and be held according to power
Amount and/or Reference Signal Received Power prejudge the step of can itself become link terminal.
Therefore, terminal is by monitoring the relay request of the remote terminal in the terminal signaling coverage area, described in record
The corresponding information of relay request can choose whether to carry out " relaying according to the ability information of these information and terminal itself
Condition judges in advance ", it can also correspond to and whether be opened according to relay request initial message return SIB message in conjunction with base station side
Mechanism, to realize the flexible switching of above-mentioned three kinds of Repeating initialization modes.For example, if current system execution is the 4th implementation
Repeating initialization mode in example, but the quantity of system remote terminal increases suddenly, and relaying demand increases, and this requires centerings
After being swift in response for request, therefore there is the terminal of relay capabilities that can be opened according to the quantity for the relay request for listening to initiation at this time
Open the function that judges in advance of relaying, and base station can then correspond to the management function for opening Repeating initialization request message, system is by the
The mode of four embodiments is converted to the mode in second embodiment；In another example current system execution is in second embodiment
Mode, but the relaying demand of remote terminal is gradually decreasing, while having the terminal residual electricity of relay capabilities also and inadequate, then
The function that relaying judges in advance, base can be closed according to the quantity of the initiation relay request listened to by having the terminal of relay capabilities at this time
The management function for closing Repeating initialization request can also be corresponded to by standing, and system is converted to the 4th in fact by the mode in second embodiment
The mode applied in example carries out Repeating initialization, to realize the flexible switching of various modes.
Referring to figure 5., the flow diagram of the 5th embodiment of the method communicated for the present invention；In the present embodiment, institute
State method the following steps are included:
S501, relaying can be become eventually by prejudging itself according to power capacity and/or Reference Signal Received Power in terminal
After end, base station receives the Repeating initialization request message for being used to request to become link terminal that the terminal is sent.
Wherein, the parameter information for selecting link terminal is included in the system information block message.
Optionally, described for selecting the parameter information of link terminal, including Reference Signal Received Power threshold value and
The number threshold value of cell change within a preset time.
Optionally, described for selecting the parameter information of link terminal, further include at least one of following information:
For characterizing the power threshold of terminal service ability, the power threshold includes corresponding executable scheduling of resource
The first threshold value, correspondence can service the remote terminal outside the base station signal coverage area the second threshold value and it is corresponding only
The third threshold value of the terminal in the base station signal covering can be serviced；
The number threshold value of the remote terminal of service.
If the base station receives the Repeating initialization request message more than preset times in preset period of time, extend wide
Broadcast the period of system information block message.To avoid excessive terminal from sending Repeating initialization request, base station and terminal energy are reduced
Consumption.
S502, return system block of information message to the terminal, so that the terminal determines that itself is full according to parameter information
After foot becomes the condition of link terminal, as link terminal broadcast relay notification message, inform in its signal cover
Remote terminal, the terminal provide relay services.
Wherein, the specific interactive process of base station and terminal can refer to Fig. 2 of the present invention to second embodiment shown in Fig. 4 to
Four embodiments, details are not described herein again.
Alternatively, base station can also directly periodic broadcast system information block message, so as to terminal monitoring.
Optionally, before base station transmission system block of information message to terminal or periodic broadcast system information block message,
Further include:
Obtain the relaying demand of current remote terminal and/or the priority of relay request；
Believed according to the priority selection cycle broadcast system of the relaying demand of current remote terminal and/or relay request
It ceases block message or is only returned when receiving Repeating initialization request message to send the terminal of Repeating initialization request message
System information block message.To realize the opening and closing of Repeating initialization management function.
Fig. 6 is please referred to, is the composition schematic diagram of the first embodiment of terminal of the present invention；In the present embodiment, the terminal
Include:
Acquiring unit 100 includes for obtaining the system information block message of base station transmission, in the system information block message
For selecting the parameter information of link terminal；
Judging unit 200, for judging whether the terminal meets the item as link terminal according to the parameter information
Part；
Radio unit 300, if meeting the condition for becoming link terminal for the terminal, in the radio unit broadcast
After notification message, the remote terminal in its signal cover is informed, the terminal provides relay services.
Optionally, the acquiring unit 100 is specifically used for:
The terminal, which can be prejudged, according to power capacity and/or Reference Signal Received Power become link terminal；
If the terminal can become link terminal, send for requesting the Repeating initialization request as link terminal to disappear
It ceases to the base station；
Receive the system information block message that the base station returns.
Optionally, the acquiring unit 100 is specifically used for:
Monitor the system information block message of the base station periodic broadcast.
Optionally, the acquiring unit 100 is specifically used for:
The terminal, which can be prejudged, according to power capacity and/or Reference Signal Received Power become link terminal；
If the terminal can become link terminal, the system information block message of the base station broadcast is monitored.
Optionally, described for selecting the parameter information of link terminal, including Reference Signal Received Power threshold value and
The number threshold value of cell change within a preset time.
Optionally, described for selecting the parameter information of link terminal, further include at least one of following information:
For characterizing the power threshold of terminal service ability, the power threshold includes corresponding executable scheduling of resource
The first threshold value, correspondence can service the remote terminal outside the base station signal coverage area the second threshold value and it is corresponding only
The third threshold value of the terminal in the base station signal covering can be serviced；
The number threshold value of the remote terminal of service.
Fig. 7 is please referred to, is the composition schematic diagram of the second embodiment of terminal of the present invention；In the present embodiment, the terminal
Compared with the terminal shown in Fig. 6, further includes:
Determination unit 400, for monitoring the end before the system information block message that the terminal obtains that base station is sent
The relay request of remote terminal in end signal coverage area records the corresponding information of the relay request, wherein the relaying
Requesting corresponding information includes initiating the priority of the remote terminal quantity and/or relay request of relay request；
Determine whether to execute according to the corresponding information of the relay request and/or the terminal ability information and be held according to power
Amount and/or Reference Signal Received Power prejudge the step of can itself become link terminal.
The above acquiring unit 100, judging unit 200, radio unit 300 and determination unit 400 can be individually present, can also
With integrally disposed, acquiring unit 100, judging unit 200, radio unit 300 or determination unit 400 can in the form of hardware solely
The processor for standing on terminal is separately provided, and form is arranged and can be the form of microprocessor；It can also embed in the form of hardware
In the processor of the terminal, it can also be stored in a software form in the memory of the terminal, in order to the processing of the terminal
Device, which calls, executes the above acquiring unit 100, judging unit 200, reporting unit 300 and the corresponding operation of determination unit 400.
Certainly, acquiring unit 100 and radio unit 300 can also be used as the interface circuit of the terminal, can be single with judgement
Member 200 or determination unit 400 are integrated, can also be independently arranged.
For example, judging unit 200 can be should in the second embodiment (embodiment shown in Fig. 7) of terminal of the present invention
The processor of terminal, and the function of acquiring unit 100, radio unit 300 and determination unit 400 can be embedded in the processor
In, it can also be separately provided, can also be stored in memory in the form of software independently of processor, be called by processor real
Its existing function.The embodiment of the present invention does not do any restrictions.The above processor can for central processing unit (CPU), microprocessor,
Single-chip microcontroller etc..
Fig. 8 is please referred to, is the composition schematic diagram of base station of the embodiment of the present invention, in the present embodiment, the base station includes:
Receiving unit 500, for being prejudged certainly in the terminal according to power capacity and/or Reference Signal Received Power
After body can become link terminal, receives the Repeating initialization request as link terminal that is used to request that the terminal is sent and disappear
Breath；
Transmission unit 600 includes in the system information block message for return system block of information message to the terminal
For selecting the parameter information of link terminal, become relaying eventually so that the terminal determines itself to meet according to the parameter information
After the condition at end, as link terminal broadcast relay notification message, the remote terminal in its signal cover is informed, it is described
Terminal provides relay services.
Alternatively, the receiving unit 500 can not work, and only by the transmission unit 600, it is used for periodic broadcast system
Unite block of information message, comprising the parameter information for selecting link terminal in the system information block message, so as to terminal according to
The parameter information determines itself meet the condition for becoming link terminal after, as link terminal broadcast relay notification message,
Inform the remote terminal in its signal cover, the terminal provides relay services.It is same to can be achieved to send SIB message to end
End.
Optionally, the transmission unit 600 is also used to:
If the receiving unit 500 receives the Repeating initialization request message more than preset times in preset period of time,
Then extend the period of broadcast system information block message.
Optionally, described for selecting the parameter information of link terminal, including Reference Signal Received Power threshold value and
The number threshold value of cell change within a preset time.
Optionally, described for selecting the parameter information of link terminal, further include at least one of following information:
For characterizing the power threshold of terminal service ability, the power threshold includes corresponding executable scheduling of resource
The first threshold value, correspondence can service the remote terminal outside the base station signal coverage area the second threshold value and it is corresponding only
The third threshold value of the terminal in the base station signal covering can be serviced；
The number threshold value of the remote terminal of service.
Optionally, the transmission unit 500 is also used to: sending system information block message to terminal or periodic broadcast system
Before block of information message of uniting, the relaying demand of current remote terminal and/or the priority of relay request are obtained；
Believed according to the priority selection cycle broadcast system of the relaying demand of current remote terminal and/or relay request
It ceases block message or is only returned when receiving Repeating initialization request message to send the terminal of Repeating initialization request message
System information block message.
The above receiving unit 500 and transmission unit 600 can be individually present, and also can integrate setting, receiving unit 500 or
Transmission unit 600 can be separately provided independently of the processor of base station in the form of hardware, and form is arranged and can be micro process
The form of device；It can also be embedded in the form of hardware in the processor of the base station, the base station can also be stored in a software form
Memory in, execute above receiving unit 500 and the corresponding behaviour of transmission unit 600 in order to which the processor of the base station calls
Make.
For example, transmission unit 600 can be the base station in the embodiment (embodiment shown in Fig. 8) of base station of the present invention
Processor, and the function of receiving unit 500 can be embedded in the processor, and can also be separately provided independently of processor,
It can also be stored in memory, achieve its function by call from the processor in the form of software.The embodiment of the present invention is not done any
Limitation.The above processor can be central processing unit (CPU), microprocessor, single-chip microcontroller etc..
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is all differences from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
For device embodiment, since it is basically similar to the method embodiment, so being described relatively simple, related place referring to
The part of embodiment of the method illustrates.
Description through the foregoing embodiment, the invention has the following advantages that
The system information block message sent by obtaining base station, thus learn the parameter information for selecting link terminal,
Terminal can determine the condition itself whether met as link terminal according to these parameter informations, and directly make when meeting
For link terminal broadcast relay notification message, the remote terminal in its signal cover, following the service in the terminal offer are informed
Business, is filled out so as to complete the process of Repeating initialization so that remote terminal can be sent to it relay request to complete relayed communications
The blank of existing protocol specification has been mended, conducive to the relay request of link terminal quick response remote terminal, is provided for remote terminal
More preferably relay services.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, abbreviation ROM) or random access memory (Random
Access Memory, abbreviation RAM) etc..
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (20)
1. a kind of method of communication characterized by comprising
Terminal obtains the system information block message that base station is sent, and includes for selecting link terminal in the system information block message
Parameter information；
The terminal judges whether itself meets the condition as link terminal according to the parameter information；
If the terminal meets the condition for becoming link terminal, it is used as link terminal broadcast relay notification message, informs its letter
Remote terminal in number coverage area, the terminal provide relay services；
It is described for selecting the parameter information of link terminal, including Reference Signal Received Power threshold value and within a preset time
The number threshold value of cell change.
2. the method as described in claim 1, which is characterized in that the terminal obtains the system information block message that base station is sent,
Include:
Can the terminal prejudges itself according to power capacity and/or Reference Signal Received Power become link terminal；
If the terminal, which prejudges itself according to power capacity and/or Reference Signal Received Power, can become link terminal,
It sends for request the Repeating initialization request message for becoming link terminal to the base station；
Receive the system information block message that the base station returns.
3. the method as described in claim 1, which is characterized in that the terminal obtains the system information block message that base station is sent,
Include:
The system information block message of base station periodic broadcast described in the terminal monitoring.
4. the method as described in claim 1, which is characterized in that the terminal obtains the system information block message that base station is sent,
Include:
Can the terminal prejudges itself according to power capacity and/or Reference Signal Received Power become link terminal；
If the terminal, which prejudges itself according to power capacity and/or Reference Signal Received Power, can become link terminal,
Monitor the system information block message of the base station broadcast.
5. the method as described in claim 1, which is characterized in that it is described for selecting the parameter information of link terminal, further include
At least one of following information:
For characterizing the power threshold of terminal service ability, the power threshold includes the of corresponding executable scheduling of resource
One threshold value, correspondence can service the second threshold value of the remote terminal outside the base station signal coverage area and correspondence and can only take
The third threshold value for the terminal being engaged in the base station signal covering；
The number threshold value of the remote terminal of service.
6. such as the described in any item methods of claim 2-4, which is characterized in that obtain the system letter that base station is sent in the terminal
Before breath block message, further includes:
The relay request for monitoring the remote terminal in the terminal signaling coverage area records the corresponding letter of the relay request
Breath, wherein the corresponding information of the relay request include initiate relay request remote terminal quantity and/or relay request it is excellent
First grade；
Determine whether to execute according to power capacity according to the corresponding information of the relay request and/or the terminal ability information
And/or Reference Signal Received Power prejudges the step of can itself become link terminal.
7. a kind of method of communication characterized by comprising
Base station periodic broadcast system information block message includes the ginseng for selecting link terminal in the system information block message
Number information, after determining itself satisfaction as the condition of link terminal according to the parameter information so as to terminal, eventually as relaying
Broadcast relay notification message is held, informs the remote terminal in its signal cover, the terminal provides relay services；Or
The terminal according to power capacity and/or Reference Signal Received Power prejudge itself can become link terminal it
Afterwards, base station receives the Repeating initialization request message for being used to request to become link terminal that the terminal is sent, return system letter
Block message is ceased to the terminal, comprising the parameter information for selecting link terminal in the system information block message, with toilet
After stating the condition that terminal determines that itself satisfaction becomes link terminal according to the parameter information, as link terminal broadcast relay
Notification message, informs the remote terminal in its signal cover, and the terminal provides relay services；
It is described for selecting the parameter information of link terminal, including Reference Signal Received Power threshold value and within a preset time
The number threshold value of cell change.
8. the method for claim 7, which is characterized in that if it is more than default time that the base station receives in preset period of time
Several Repeating initialization request messages, then extend the period of broadcast system information block message.
9. method according to claim 8, which is characterized in that it is described for selecting the parameter information of link terminal, further include
At least one of following information:
For characterizing the power threshold of terminal service ability, the power threshold includes the of corresponding executable scheduling of resource
One threshold value, correspondence can service the second threshold value of the remote terminal outside the base station signal coverage area and correspondence and can only take
The third threshold value for the terminal being engaged in the base station signal covering；
The number threshold value of the remote terminal of service.
10. such as the described in any item methods of claim 7-9, which is characterized in that in base station transmission system block of information message to end
Before end or periodic broadcast system information block message, further includes:
Obtain the relaying demand of current remote terminal and/or the priority of relay request；
According to the priority selection cycle broadcast system information block of the relaying demand of current remote terminal and/or relay request
Message or only the terminal return system when receiving Repeating initialization request message to send Repeating initialization request message
Block of information message.
11. a kind of terminal characterized by comprising
Acquiring unit includes for selecting in the system information block message for obtaining the system information block message of base station transmission
Select the parameter information of link terminal；
Judging unit, for judging whether the terminal meets the condition as link terminal according to the parameter information；
Radio unit, if meeting the condition for becoming link terminal for the terminal, the radio unit broadcast relay notice
Message, informs the remote terminal in its signal cover, and the terminal provides relay services；
It is described for selecting the parameter information of link terminal, including Reference Signal Received Power threshold value and within a preset time
The number threshold value of cell change.
12. terminal as claimed in claim 11, which is characterized in that the acquiring unit is specifically used for:
The terminal, which can be prejudged, according to power capacity and/or Reference Signal Received Power become link terminal；
If the terminal can become link terminal, the Repeating initialization request message for being used to request to become link terminal is sent extremely
The base station；
Receive the system information block message that the base station returns.
13. the terminal as described in as described in claim 11, which is characterized in that the acquiring unit is specifically used for:
Monitor the system information block message of the base station periodic broadcast.
14. the terminal as described in as described in claim 11, which is characterized in that the acquiring unit is specifically used for:
The terminal, which can be prejudged, according to power capacity and/or Reference Signal Received Power become link terminal；
If the terminal can become link terminal, the system information block message of the base station broadcast is monitored.
15. terminal as claimed in claim 11, which is characterized in that it is described for selecting the parameter information of link terminal, also wrap
Include at least one of following information:
For characterizing the power threshold of terminal service ability, the power threshold includes the of corresponding executable scheduling of resource
One threshold value, correspondence can service the second threshold value of the remote terminal outside the base station signal coverage area and correspondence and can only take
The third threshold value for the terminal being engaged in the base station signal covering；
The number threshold value of the remote terminal of service.
16. such as the described in any item terminals of claim 12-15, which is characterized in that further include:
Determination unit, for monitoring the terminal signaling before the system information block message that the terminal obtains that base station is sent
The relay request of remote terminal in coverage area records the corresponding information of the relay request, wherein the relay request pair
The information answered includes initiating the priority of the remote terminal quantity and/or relay request of relay request；
Determine whether to execute according to power capacity according to the corresponding information of the relay request and/or the terminal ability information
And/or Reference Signal Received Power prejudges the step of can itself become link terminal.
17. a kind of base station characterized by comprising
Transmission unit is used for periodic broadcast system information block message, includes in selection in the system information block message
After the parameter information of terminal, after determining itself satisfaction as the condition of link terminal according to the parameter information so as to terminal,
As link terminal broadcast relay notification message, the remote terminal in its signal cover is informed, the terminal provides relaying
Service；Or include:
Receiving unit, can be at for prejudging itself according to power capacity and/or Reference Signal Received Power in the terminal
After link terminal, the Repeating initialization request message for being used to request to become link terminal that the terminal is sent is received；
Transmission unit includes for selecting in the system information block message for return system block of information message to the terminal
The parameter information of link terminal is selected, itself meets the item for becoming link terminal so that the terminal is determined according to the parameter information
After part, as link terminal broadcast relay notification message, the remote terminal in its signal cover is informed, the terminal mentions
For relay services；
It is described for selecting the parameter information of link terminal, including Reference Signal Received Power threshold value and within a preset time
The number threshold value of cell change.
18. base station as claimed in claim 17, which is characterized in that the transmission unit is also used to:
If the receiving unit receives the Repeating initialization request message more than preset times in preset period of time, extend wide
Broadcast the period of system information block message.
19. base station as claimed in claim 17, which is characterized in that it is described for selecting the parameter information of link terminal, also wrap
Include at least one of following information:
For characterizing the power threshold of terminal service ability, the power threshold includes the of corresponding executable scheduling of resource
One threshold value, correspondence can service the second threshold value of the remote terminal outside the base station signal coverage area and correspondence and can only take
The third threshold value for the terminal being engaged in the base station signal covering；
The number threshold value of the remote terminal of service.
20. such as the described in any item base stations claim 17-19, which is characterized in that the transmission unit is also used to: being sending
Before block of information message to terminal or periodic broadcast system information block message of uniting, the relaying demand of current remote terminal is obtained
And/or the priority of relay request；
According to the priority selection cycle broadcast system information block of the relaying demand of current remote terminal and/or relay request
Message or only the terminal return system when receiving Repeating initialization request message to send Repeating initialization request message
Block of information message.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510501894.7A CN105050204B (en) | 2015-08-14 | 2015-08-14 | A kind of method of communication, terminal and base station |
| PCT/CN2015/093524 WO2017028378A1 (en) | 2015-08-14 | 2015-10-31 | Communication method, terminal and base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510501894.7A CN105050204B (en) | 2015-08-14 | 2015-08-14 | A kind of method of communication, terminal and base station |
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| CN105050204B true CN105050204B (en) | 2019-06-11 |
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| WO (1) | WO2017028378A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105208621A (en) * | 2015-08-14 | 2015-12-30 | 宇龙计算机通信科技(深圳)有限公司 | Communication method, terminal and base station |
| CN106341860B (en) * | 2016-08-26 | 2020-01-21 | 宇龙计算机通信科技(深圳)有限公司 | Relay network connection method and related equipment |
| CN113891423A (en) * | 2016-09-30 | 2022-01-04 | 华为技术有限公司 | Method and device for transmitting response message |
| CN106358274B (en) * | 2016-10-09 | 2020-03-17 | 宇龙计算机通信科技(深圳)有限公司 | Message transmission power saving method and related equipment |
| CN111245497B (en) * | 2020-01-10 | 2022-06-03 | 展讯通信（上海）有限公司 | Relay control method, relay control system, electronic device, and storage medium |
| CN114557030A (en) * | 2020-08-25 | 2022-05-27 | 华为技术有限公司 | Communication method and device |
| CN113015137B (en) * | 2020-12-31 | 2023-09-12 | 中国电子科技集团公司第七研究所 | Relay initialization method for aviation V2V communication |
| CN112822691A (en) * | 2020-12-31 | 2021-05-18 | 联想(北京)有限公司 | Information processing method, processing device, electronic device, and storage medium |
| CN115696493A (en) * | 2021-07-30 | 2023-02-03 | 中国电信股份有限公司 | Communication method and related equipment |
| CN115412143A (en) * | 2022-08-24 | 2022-11-29 | 金寨天兴通讯科技有限公司 | Relay frequency self-selection method of 5G wireless frequency shift repeater |
| CN115988431B (en) * | 2022-12-02 | 2024-07-12 | 中国联合网络通信集团有限公司 | Intercommunication communication system, method and device |
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| WO2017028378A1 (en) | 2017-02-23 |
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