CN106937360A - Device-to-device finds method, small base station energy-saving method and small base station, macro base station - Google Patents
Device-to-device finds method, small base station energy-saving method and small base station, macro base station Download PDFInfo
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- CN106937360A CN106937360A CN201511020737.0A CN201511020737A CN106937360A CN 106937360 A CN106937360 A CN 106937360A CN 201511020737 A CN201511020737 A CN 201511020737A CN 106937360 A CN106937360 A CN 106937360A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
A kind of device-to-device finds method, small base station energy-saving method and small base station, macro base station, and the small base station sends D2D and finds authorization requests to macro base station, obtains the D2D that the macro base station is the small base station distribution and finds resource；The small base station finds that resource performs D2D and finds according to the D2D, it is possible to according to the implementing result that D2D has found, carry out power saving judgement.By the application, small base station can be found that UE, determines in cell with the presence or absence of disconnected state UE.So as to the result found using D2D carries out closing judgement, the validity of on/off decision-makings is greatly improved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of device-to-device (D2D：Device to
Device method, small base station energy-saving method and corresponding small base station and macro base station) are found.
Background technology
Small base station (Small Cell) refers in terms of product form, transmission power, coverage etc., all phase
The base station type more much smaller than conventional macro base station station.From in terms of transmission power, typical emission power is in 100mW
To between 5W；From in terms of weight, universal weight is 2 between 10kg；From in terms of networking mode, bag is supported
Include the passback of DSL/ optical fiber/WLAN and cellular technology in interior multiple technologies；And it is also equipped with automatic neighbour
The SON functions such as area's discovery, self-configuring.By statistical analysis, most of data service occurs in room
Interior or hot spot region.Compared to macro base station, small base station more efficient can improve indoor depth covering, increase net
Network capacity, lifting user perceive, thus are increasingly paid close attention to by industry.
Small base station has four class product form：The first is referred to as FemtoCell, is mainly used in family and enterprise
In environment；It is referred to as PicoCell second, is applied in indoor public places such as airport, railway station, shopping
Heart etc..The third is referred to as MicroCell, for being limited to take up an area the urban district or rural area that cannot dispose macro base station；
A kind of last referred to as MetroCell, is mainly used in urban district hot spot region to reduce capacity bottleneck or rural area.
Hot zones increase small base station number can be effectively improved cell capacity and reduce covering cavity.However, close
The small base station of collection can increase inter-cell interference, switching times and Signalling exchange and consume more electric power.
Therefore, when certain small base station is without capacity demand or without user equipment (User Equipment, UE)
The small base station can be turned off during connection to save energy consumption and reduce interference.
When small base station is in (on) state of unlatching, uplink channel information SRS (Sounding can be obtained
Reference Signal, Sounding Reference Signal) and channel state indication channel/precoding instruction/order refer to
Show information such as (CQI/PMI/RI), UE monitors Physical Downlink Control Channel (Physical Downlink
Control Channel, PDCCH) and according to up-downgoing schedule information in Physical Downlink Shared Channel
Data are received on (Physical Downlink Shared Channel, PDSCH), physically row is shared
A series of processes such as data are sent on channel (Physical Uplink Shared Channel, PUSCH).
When there is no any UE to connect in small base station, shutoff operation can be performed to save energy consumption and reduce interference.
Because the area coverage of small base station is smaller, the probability without UE is very big in cell.But current small base
Stand on states, shutdown strategy is carried out if only according to connected state UE numbers, and ignore in cell
Disconnected state UE, it is possible to cause the conversion of unnecessary on to off, validity is poor.And mark at present
In standard, the flow that small base station finds UE is not provided with.
The content of the invention
In view of this, the invention provides following technical scheme.
A kind of device-to-device D2D has found method, including：
Small base station sends D2D and finds authorization requests to macro base station, and it is the small base station to obtain the macro base station
The D2D of distribution has found resource；
The small base station finds that resource performs D2D and finds according to the D2D.
A kind of device-to-device D2D has found method, including：
Macro base station receives the D2D for initiating small base station and finds authorization requests, obtains the D2D and finds to authorize
The device type information of the described small base station of carrying, the device type information of the small base station is asked to be different from
The device type information of user equipment (UE)；
The macro base station finds licensing process according to the device type information of small base station termination D2D, to
The small base station returns to D2D and finds authorization response, and the D2D has found to carry described grand in authorization response
Base station is the information of the D2D discovery resources of the small base station distribution.
A kind of power-economizing method of small base station, including：
D2D authorization requests are initiated in small base station to macro base station in the manner described above, obtain the grand base
Stand as the D2D of the small base station distribution has found resource, and find that resource performs D2D according to the D2D
It was found that；
The implementing result that the small base station finds according to D2D, carries out power saving judgement.
A kind of small base station, including device-to-device D2D discovery modules, the D2D discovery modules include：
Authorization requests unit, authorization requests are found for sending D2D to macro base station, obtain the macro base station
For the D2D of the small base station distribution has found resource；
D2D execution units, for finding that resource performs D2D and finds according to the D2D.
A kind of macro base station, including device-to-device D2D has found processing module, the D2D discoveries treatment
Module includes：
Authorization requests processing module, authorization requests are found for receiving the D2D for initiating small base station, obtain institute
State the device type information that D2D has found the described small base station that authorization requests are carried, the equipment of the small base station
Type information is different from the device type information of user equipment (UE)；
Authorization response processing module, for being found according to the device type information of small base station termination D2D
Licensing process, returns to D2D and finds authorization response to the small base station, and the D2D has found authorization response
It is middle to carry the information that the D2D that the macro base station is the small base station distribution has found resource.
By such scheme, small base station can be found that UE, determines in cell with the presence or absence of disconnected state UE.
So as to the result found using D2D carries out closing judgement, the validity of on/off decision-makings is greatly improved.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes of the application
Point, schematic description and description of the invention is used to explain the present invention, does not constitute to of the invention
Improper restriction.In the accompanying drawings：
Fig. 1 is the flow chart of the D2D discovery methods of the small base station side of the embodiment of the present invention one；
Fig. 2 is the module map of the small base station of the embodiment of the present invention one；
Fig. 3 is the flow chart of the D2D discovery methods of the macro base station side of the embodiment of the present invention two；
Fig. 4 is the module map of the macro base station of the embodiment of the present invention two；
Fig. 5 is the flow chart of the small base station energy-saving method of the embodiment of the present invention three；
Fig. 6 is the module map of the small base station of the embodiment of the present invention three；
Fig. 7 is that the position of grand micro- heterogeneous network UE, small base station and macro base station in present invention application example is closed
It is schematic diagram；
Fig. 8 is the signaling process figure that the small base station of example of the present invention finds authorization requests with macro base station D2D；
The signaling flow that D2D has found when Fig. 9 is the UE of example of the present invention two identical with small base station connection macro base stations
Cheng Tu；
When Figure 10 is that the UE of example of the present invention three connects different macro base stations from small base station, UE detects small base station
D2D find signaling process figure；
When Figure 11 is that the UE of example of the present invention four connects different macro base stations from small base station, UE is detected in small base station
D2D find signaling process figure.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, below in conjunction with accompanying drawing
Embodiments of the invention are described in detail.It should be noted that in the case where not conflicting, this Shen
Please in embodiment and the feature in embodiment can mutually be combined.
Embodiment one
The problem in cell with the presence or absence of disconnected state UE, this implementation are not can determine that for current small base station
The D2D that example is provided between a kind of small base station and UE has found method.D2D is that point is arrived between a kind of communication equipment
The discovery of point and interconnection technique.D2D equipment be the discovery that the identification of equipment in certain detective distance whether
In the presence of the process of another equipment.
Realize that the D2D between small base station and UE has found, small base station and UE should possess D2D discoveries
Ability simultaneously opens the function；Secondly, UE and small base station are in macro base station coverage area, small base station and grand base
There is wired or wireless connection in station.Macro base station and the macro base station that small base station connects of UE connections can with identical,
Can also be different.
As shown in figure 1, the present embodiment D2D has found method, including：
Step 110, small base station sends D2D and finds authorization requests to macro base station, obtains the macro base station and is
The D2D of the small base station distribution has found resource；
The small base station of this step finds to carry the small base in authorization requests to the D2D that the macro base station sends
The device type information stood, the device type information of the small base station is different from the device type information of UE.
The device type information of small base station shows that the small base station is different from common UE in D2D discovery procedures,
Find that mandate can directly terminate in macro base station for the D2D of small base station, and without as common UE
Need to be gone to verify UE log-on messages according to IMSI to core-network side.In the present embodiment, the D2D hairs
In existing authorization requests, the device type information of the small base station can be represented with the information unit of new definition,
Can also be represented with the invalid value of existing information unit or retention.From the protocol definitions of 3GPP 29.345
From the point of view of IE, the implication that can extend this IE of UE Identity (specify only in agreement and use the IMSI of UE
And MSISDN), such as use an invalid value, it is also possible to newly define an IE.
One or more in following information can also be carried in the D2D discoveries authorization requests：D2D
Ability of discovery, ability is actively discovered for representing that the small base station possesses D2D；And expect detective distance, use
In expression, the small base station is desired it can be found that the ultimate range of UE.Macro base station can match somebody with somebody according to the parameter
The discovery signal power of small base station is put, controls to be provided in preferable service range in small base station as UE with this
When just can mutually find, ignore cell edge UE.
After the small base station receives the D2D discovery authorization responses that the macro base station is returned, from the D2D
It was found that the D2D that the macro base station is the small base station distribution is obtained in authorization response finds resource.It is described
D2D has found that resource can include one or more in following resource：It is the discovery of the small base station distribution
Signal；For the transmit power that the small base station is specified；And the detectable discovery signal set in small base station.
It is therein to find that signal and transmit power are used to instruct small base station to find letter by the transmit power transmitting specified
Number, so that other UE are detected；Detectable discovery signal set is to inform that discovery letter is being specified in small base station
Number set in detection UE.
Step 120, the small base station finds that resource performs D2D and finds according to the D2D.
In this step, small base station can find signal according to the discovery signal of distribution and transmit power, transmitting
For UE detections, and according to detectable discovery signal set active detecting UE.If detect be not belonging to
During the discovery signal of the discovery signal set, by macro base station described in the discovery signal reporting, and receive
The corresponding UE information of the discovery signal that the macro base station is returned.
Small base station found by UE, illustrates the demand that UE is found, therefore can be set up with macro base station and be connected.
By the information transmission of macro base station, small base station is known that and be found that by UE.
The present embodiment additionally provides a kind of small base station, including device-to-device D2D discovery modules, such as Fig. 2
Shown, the D2D discovery modules include：
Authorization requests unit 10, authorization requests are found for sending D2D to macro base station, obtain the grand base
Stand as the D2D of the small base station distribution has found resource；
D2D execution units 20, for finding that resource performs D2D and finds according to the D2D.
Alternatively,
The authorization requests unit 10 includes：
Transmitting element, authorization requests are found for sending D2D to the macro base station, and the D2D has found
The device type information of the small base station is carried in authorization requests, the device type information of the small base station is not
It is same as the device type information of user equipment (UE)；
Receiving unit, finds authorization response, from the D2D for receiving the D2D that the macro base station is returned
It was found that the D2D that the macro base station is the small base station distribution is obtained in authorization response finds resource.
Alternatively,
In the D2D discovery authorization requests that the transmitting element sends, the device type information of the small base station
Represented with the information unit of new definition, or represented with the invalid value or retention of existing information unit.
Alternatively,
The macro base station that the authorization requests unit is obtained is that the D2D of the small base station distribution has found money
Source includes：It is the discovery signal of the small base station distribution, is transmit power and institute that the small base station is specified
State the detectable discovery signal set in small base station；
The D2D execution units 20 include：
It was found that signal transmitter unit, for discovery signal and transmit power according to distribution, transmitting finds letter
Number for UE detection；
It was found that detecting signal unit, for according to the detectable discovery signal set active detecting UE,
When the discovery signal of signal set is found as described in detecting and be not belonging to, by described in the discovery signal reporting
Macro base station, and receive the corresponding UE information of the discovery signal that the macro base station is returned.
Using the present embodiment, small base station can be found that the UE of disconnected state in cell.And then can be as
The foundation of on/off decision-makings, it is to avoid the frequent transitions of unnecessary on to off.
Embodiment two
The present embodiment provides a kind of device-to-device D2D and finds method, macro base station is applied to, such as Fig. 3 institutes
Show, including：
Step 210, macro base station receives the D2D for initiating small base station and finds authorization requests, obtains the D2D
It was found that the device type information of the described small base station that authorization requests are carried, the device type letter of the small base station
Device type information of the breath different from user equipment (UE)；
In the present embodiment, the D2D has found in authorization requests that the device type information of the small base station can
Represented with the information unit of new definition, it is also possible to represented with the invalid value or retention of existing information unit.
Step 220, the macro base station finds to award according to the device type information of small base station termination D2D
Power process, returns to D2D and finds authorization response to the small base station, and the D2D is had found in authorization response
Carry the information that the D2D that the macro base station is the small base station distribution has found resource.
Small base station is that ground is connected with macro base station, that is, have direct annexation, and macro base station can in advance certainly
Adjacent small base station information, including the information for authorizing are configured in oneself database.Therefore for small base station mistake
The D2D for coming has found authorization requests, and the authorization message that macro base station can be configured according to database is carried out to small base station
Verification.And without needing to be gone to verify UE log-on messages according to IMSI to core-network side as common UE.
The present embodiment additionally provides a kind of macro base station, including device-to-device D2D has found processing module, such as
Shown in Fig. 4, the D2D has found that processing module includes：
Authorization requests processing module 40, authorization requests are found for receiving the D2D for initiating small base station, are obtained
The D2D has found the device type information of the described small base station that authorization requests are carried, and the small base station sets
Standby type information is different from the device type information of user equipment (UE)；
Authorization response processing module 50, for according to the device type information of small base station termination D2D
It was found that licensing process, returns to D2D and find authorization response to the small base station, the D2D has found to authorize
The information that the D2D that the macro base station is the small base station distribution has found resource is carried in response.
Alternatively,
In the D2D discovery authorization requests that the authorization requests processing module is received, the small base station
Device type information is represented with the information unit of new definition, or the invalid value with existing information unit or guarantor
Value is stayed to represent.
Using the present embodiment, macro base station can assist small base station and UE to realize D2D discovery procedures, while
Authorization requests are found for the D2D of small base station and UE and carry out appropriate treatment.
Embodiment three
For current small base station on/off state-detection validity problems, the present embodiment provides one kind and is based on
The small base station energy-saving method that D2D has found.As shown in figure 5, including：
D2D authorization requests are initiated in step 310, small base station to macro base station, and it is described to obtain the macro base station
The D2D of small base station distribution has found resource, and finds that resource performs D2D and finds according to the D2D；
In the present embodiment, when small base station determines that no user equipment (UE) is connected to this small base station, can touch
D2D authorization requests are sent out, D2D discovery procedures can be realized according to the mode described in embodiment one, here not
Repeat again.
Step 320, the implementing result that the small base station finds according to D2D, carries out power saving judgement.
In the present embodiment, the implementing result that small base station finds according to D2D carries out power saving judgement, including with
Lower one kind adjudicates mode more：
Mode one, the small base station find that such as determination finds UE or found by UE by performing D2D,
Then it is maintained at opening；
Mode two, the small base station by perform D2D find, such as determine without find UE and not by
UE has found, then when currently without Business Processing, perform shutoff operation.In mode two, if base station sheet
Body also (such as now just has UE actives access or switches) in some other transient state flows for the treatment of,
Can now postpone or abandon the execution order of power-save operation
The small base station that the present embodiment is provided includes device-to-device D2D discovery modules 1 and power saving judging module
2, D2D discovery modules may be using the D2D discovery modules in embodiment one, including authorization requests unit
10 and D2D execution units 20.Wherein, authorization requests unit 10 can be it is determined that no user equipment
When UE is connected to this small base station, initiates D2D to macro base station and find authorization requests.
The power saving judging module 2, for the implementing result found according to D2D, carries out power saving judgement,
Including using following a kind of or adjudicating mode more：Mode one, such as determines to find UE or is found by UE, then
It is maintained at opening；And mode two, such as determine to be found without discovery UE and not by UE, then working as
It is preceding without Business Processing when, perform shutoff operation.
Using the present embodiment, small base station can find to determine to whether there is disconnected state in cell based on D2D
UE, and closing judgement is carried out with the presence or absence of disconnected state UE according in cell, such as in the absence of disconnected
Turned off in the case of state UE, greatly improve the validity of on/off decision-makings.
Illustrated with the example in several applications again below.
During Fig. 7 is the example below, grand micro- heterogeneous network UE (UE1, UE2), small base station (S1, S2)
And the location diagram of macro base station (M1, M2).As shown in figure 1, UE1 to be connected identical with S1 grand
Base station, UE2 is connected two macro base stations of M1 and M2 with S2 respectively.
Example one
This example is related to the authorization requests flow that small base station finds with macro base station D2D.Letter as shown in Figure 8
Make flow.Including：
Step S202：Small base station sends the authorization requests that D2D has found to macro base station, carries D2D and finds
The information such as ability, the device type information of small base station, desired detective distance；
Step S204：The D2D that small base station receives macro base station reply has found authorization response, including is small base
Stand discovery signal, transmit power and the detectable discovery signal set of distribution.
Example two
This example is related to D2D during identical with the small base station connection macro base stations of UE to find flow.Such as Fig. 9 institutes
The signaling process for showing, including：
Step S302：UE1 and M1 performs the authorization requests process that D2D has found, this is a common UE
D2D find authorization flow；
Step S304：S1 and M1 signaling processes as shown in Figure 8 perform the authorization requests that D2D has found
Process, this is the D2D discovery authorization flows of small base station；
Step S306：S1 and UE1 performs D2D and finds.
Example three
When this example is related to UE to connect different macro base stations from small base station, UE detects the D2D hairs of small base station
Existing signaling process.As shown in Figure 10, including：
Step S402：Macro base station M1 and M2 obtain the discovery signal set of other side by interaction respectively,
The local route for finding signal is formed accordingly；
Step S404：What the D2D that S2 and M2 signaling processes as shown in Figure 8 perform small base station had found
Authorization requests process；
Step S406：UE2 and M1 performs the authorization requests process that the D2D of common UE has found；
Step S408：UE2 detects discovery signal, but identification is the non-discovery signal of cell, is reported
To M1；
Step S410：M1 will be seen that signal is given to M2 according to the route that step S402 is formed；
Step S412：M2 processes the discovery signal, confirms the validity and is S2, and result is fed back into M1；
Step S414：M1 notifies that UE2 has found S2 according to the feedback result of M2.
Example four
When this example is related to UE to connect different macro base stations from small base station, the D2D hairs of small base station detection UE
Existing signaling process.As shown in figure 11, the flow can include following process step：
Step S502：Macro base station M1 and M2 obtain the discovery signal set of other side by interaction respectively,
The local route for finding signal is formed accordingly；
Step S504：What the D2D that S2 and M2 signaling processes as shown in Figure 8 perform small base station had found
Authorization requests process；
Step S506：UE2 and M1 performs the authorization requests process that the D2D of common UE has found；
Step S508：S2 detects discovery signal, but identification is the non-discovery signal of cell, is reported
M2；
Step S510：M2 will be seen that signal is given to M1 according to the route that step S502 is formed；
Step S512：M1 processes the discovery signal, confirms the validity and is UE2, and result is fed back into M2；
Step S514：M2 notifies that S2 has found UE2 according to the feedback result of M1；
According to the process that above-mentioned example is described, small base station can be detected by UE or energy active detecting is arrived
UE in oneself range of interest whether there is, such that it is able to decide whether to be transferred to off shapes by accordingly
State.As can be seen that above-mentioned example detects disconnected state UE using the mutual discovery mechanisms of D2D, improve
Small base station on/off decision process validity, so as to save small base station energy consumption.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.By the above
Implementation method description, those skilled in the art can be understood that above-described embodiment method can
Realized by the mode of software plus required general hardware platform, naturally it is also possible to by hardware, but very
The former is more preferably implementation method in the case of many.Based on such understanding, the technical side of the embodiment of the present invention
The part that case substantially contributes to prior art in other words can be embodied in the form of software product
Come, the computer software product is stored at a storage medium (such as ROM/RAM, magnetic disc, CD)
In, including some instructions are used to so that a station terminal equipment (can be mobile phone, computer, server,
Or the network equipment etc.) perform method described in each embodiment of the invention.
The preferred embodiments of the present invention are these are only, the scope of the claims of the invention is not thereby limited, it is every
The equivalent structure or equivalent flow conversion made using description of the invention and accompanying drawing content, or directly or
Connect and be used in other related technical fields, be included within the scope of the present invention.
Claims (19)
1. a kind of device-to-device D2D has found method, including：
Small base station sends D2D and finds authorization requests to macro base station, and it is the small base station to obtain the macro base station
The D2D of distribution has found resource；
The small base station finds that resource performs D2D and finds according to the D2D.
2. the method for claim 1, it is characterised in that：
The small base station sends D2D and finds authorization requests to macro base station, and it is described small to obtain the macro base station
The D2D of base station distribution has found resource, including：
The small base station sends D2D and finds authorization requests to the macro base station, and the D2D has found to authorize
The device type information of the small base station is carried in request, the device type information of the small base station is different from
The device type information of user equipment (UE)；
The small base station receives the D2D discovery authorization responses that the macro base station is returned, from D2D hairs
The D2D that the macro base station is the small base station distribution is obtained in existing authorization response and finds resource.
3. method as claimed in claim 2, it is characterised in that：
The device type information of the small base station is carried in the D2D discoveries authorization requests, including：It is described
D2D has found in authorization requests that the device type information of the small base station is represented with the information unit of new definition,
Or represented with the invalid value or retention of existing information unit.
4. method as claimed in claim 2, it is characterised in that：
One or more in following information is also carried in the D2D discoveries authorization requests：
D2D ability of discovery, ability is actively discovered for representing that the small base station possesses D2D；
Detective distance is expected, for representing that the small base station is desired it can be found that the ultimate range of UE；
The D2D has found that resource includes one or more in following resource：
It is the discovery signal of the small base station distribution；
For the transmit power that the small base station is specified；
The detectable discovery signal set in small base station.
5. method as claimed in claim 4, it is characterised in that：
The small base station finds that resource performs D2D and finds according to the D2D, including：
The small base station is launched and finds that signal is detected for UE according to the discovery signal and transmit power of distribution,
And according to detectable discovery signal set active detecting UE；
When the small base station finds the discovery signal of signal set as described in detecting and be not belonging to, by the hair
Macro base station described in existing signal reporting, and receive the corresponding UE of the discovery signal that the macro base station is returned
Information.
6. a kind of device-to-device D2D has found method, including：
Macro base station receives the D2D for initiating small base station and finds authorization requests, obtains the D2D and finds to authorize
The device type information of the described small base station of carrying, the device type information of the small base station is asked to be different from
The device type information of user equipment (UE)；
The macro base station finds licensing process according to the device type information of small base station termination D2D, to
The small base station returns to D2D and finds authorization response, and the D2D has found to carry described grand in authorization response
Base station is the information of the D2D discovery resources of the small base station distribution.
7. method as claimed in claim 6, it is characterised in that：
The device type information of the small base station is carried in the D2D discoveries authorization requests, including：It is described
D2D has found in authorization requests that the device type information of the small base station is represented with the information unit of new definition,
Or represented with the invalid value or retention of existing information unit.
8. a kind of power-economizing method of small base station, including：
According to any described mode in claim 1-5, initiating D2D mandates to macro base station please for small base station
Ask, obtain the D2D that the macro base station is the small base station distribution and find resource, and according to the D2D
It was found that resource performs D2D finding；
The implementing result that the small base station finds according to D2D, carries out power saving judgement.
9. method as claimed in claim 8, it is characterised in that：
The implementing result that the small base station finds according to D2D, carries out power saving judgement, including it is following a kind of or
Many judgement modes：
The small base station is found by performing D2D, such as determines to find UE or found by UE, then kept
In opening；
The small base station finds that such as determination finds without discovery UE and not by UE by performing D2D,
Then when currently without Business Processing, shutoff operation is performed.
10. method as claimed in claim 8 or 9, it is characterised in that：
D2D is initiated according to any described mode in claim 1-5, to macro base station and awarded in the small base station
Power request, including：When the small base station determines that no user equipment (UE) is connected to this small base station, according to
Any described mode, D2D authorization requests are initiated to macro base station in claim 1-5.
11. a kind of small base stations, it is characterised in that described including device-to-device D2D discovery modules
D2D discovery modules include：
Authorization requests unit, authorization requests are found for sending D2D to macro base station, obtain the macro base station
For the D2D of the small base station distribution has found resource；
D2D execution units, for finding that resource performs D2D and finds according to the D2D.
12. small base stations as claimed in claim 11, it is characterised in that：
The authorization requests unit includes：
Transmitting element, authorization requests are found for sending D2D to the macro base station, and the D2D has found
The device type information of the small base station is carried in authorization requests, the device type information of the small base station is not
It is same as the device type information of user equipment (UE)；
Receiving unit, finds authorization response, from the D2D for receiving the D2D that the macro base station is returned
It was found that the D2D that the macro base station is the small base station distribution is obtained in authorization response finds resource.
13. small base stations as claimed in claim 12, it is characterised in that：
In the D2D discovery authorization requests that the transmitting element sends, the device type information of the small base station
Represented with the information unit of new definition, or represented with the invalid value or retention of existing information unit.
14. small base stations as claimed in claim 12, it is characterised in that：
The macro base station that the authorization requests unit is obtained is that the D2D of the small base station distribution has found money
Source includes：It is the discovery signal of the small base station distribution, is transmit power and institute that the small base station is specified
State the detectable discovery signal set in small base station；
The D2D execution units include：
It was found that signal transmitter unit, for discovery signal and transmit power according to distribution, transmitting finds letter
Number for UE detection；
It was found that detecting signal unit, for according to the detectable discovery signal set active detecting UE,
When the discovery signal of signal set is found as described in detecting and be not belonging to, by described in the discovery signal reporting
Macro base station, and receive the corresponding UE information of the discovery signal that the macro base station is returned.
The 15. small base station as described in any in claim 11-14, it is characterised in that：
The small base station also includes：Power saving judging module, for the implementing result found according to D2D, enters
Province electricity judgement.
16. small base stations as claimed in claim 15, it is characterised in that：
The power saving judging module carries out power saving judgement, including following a kind of or adjudicate mode more：
Such as determine to find UE or found by UE, be then maintained at opening；
Such as determine not find UE and do not found by UE, then when currently without Business Processing, perform pass
Closed operation.
The 17. small base station as described in any in claim 11-14, it is characterised in that：
The authorization requests unit sends D2D and finds authorization requests to macro base station, including：The mandate please
When asking unit to determine that no user equipment (UE) is connected to this small base station, send D2D to macro base station and find to award
Power request.
18. a kind of macro base stations, it is characterised in that find processing module including device-to-device D2D,
The D2D has found that processing module includes：
Authorization requests processing module, authorization requests are found for receiving the D2D for initiating small base station, obtain institute
State the device type information that D2D has found the described small base station that authorization requests are carried, the equipment of the small base station
Type information is different from the device type information of user equipment (UE)；
Authorization response processing module, for being found according to the device type information of small base station termination D2D
Licensing process, returns to D2D and finds authorization response to the small base station, and the D2D has found authorization response
It is middle to carry the information that the D2D that the macro base station is the small base station distribution has found resource.
19. macro base stations as claimed in claim 18, it is characterised in that：
In the D2D discovery authorization requests that the authorization requests processing module is received, the small base station
Device type information is represented with the information unit of new definition, or the invalid value with existing information unit or guarantor
Value is stayed to represent.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511020737.0A CN106937360A (en) | 2015-12-29 | 2015-12-29 | Device-to-device finds method, small base station energy-saving method and small base station, macro base station |
| PCT/CN2016/102184 WO2017113933A1 (en) | 2015-12-29 | 2016-10-14 | Device to device discovery method, small base station energy-saving method, and small base station and macro base station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511020737.0A CN106937360A (en) | 2015-12-29 | 2015-12-29 | Device-to-device finds method, small base station energy-saving method and small base station, macro base station |
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| CN201511020737.0A Pending CN106937360A (en) | 2015-12-29 | 2015-12-29 | Device-to-device finds method, small base station energy-saving method and small base station, macro base station |
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| Country | Link |
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| CN (1) | CN106937360A (en) |
| WO (1) | WO2017113933A1 (en) |
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| CN113891435A (en) * | 2021-09-23 | 2022-01-04 | 新华三技术有限公司 | Base station control method and device and electronic equipment |
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| CN102045807A (en) * | 2009-10-16 | 2011-05-04 | 株式会社泛泰 | Small base station and method for controlling operation thereof |
| CN103179669A (en) * | 2013-04-22 | 2013-06-26 | 西安电子科技大学 | Resource distribution method for door 2 door (D2D) communication in long term evolution system |
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| US20140328299A1 (en) * | 2011-11-14 | 2014-11-06 | Kyocera Corporation | Transmission of device to device sounding reference signals using macrocell communication resources |
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| CN103379496B (en) * | 2012-04-27 | 2016-04-27 | ***通信集团公司 | A kind of mthods, systems and devices controlling little base station operation state |
| CN103428727B (en) * | 2012-05-14 | 2018-07-20 | 中兴通讯股份有限公司 | The detection method and system of a kind of UE close to micro-base station |
| CN103582069B (en) * | 2012-07-26 | 2019-04-05 | 中兴通讯股份有限公司 | The discovery method and device of device-to-device D2D equipment |
| CN103906153B (en) * | 2012-12-28 | 2018-07-17 | ***通信集团公司 | One kind being based on energy-efficient base station dormancy method and apparatus |
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2015
- 2015-12-29 CN CN201511020737.0A patent/CN106937360A/en active Pending
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- 2016-10-14 WO PCT/CN2016/102184 patent/WO2017113933A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102045807A (en) * | 2009-10-16 | 2011-05-04 | 株式会社泛泰 | Small base station and method for controlling operation thereof |
| US20140328299A1 (en) * | 2011-11-14 | 2014-11-06 | Kyocera Corporation | Transmission of device to device sounding reference signals using macrocell communication resources |
| CN104113851A (en) * | 2013-04-16 | 2014-10-22 | 中兴通讯股份有限公司 | Device to device (D2D) discovery method, base station, and user device |
| CN103179669A (en) * | 2013-04-22 | 2013-06-26 | 西安电子科技大学 | Resource distribution method for door 2 door (D2D) communication in long term evolution system |
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