CN108135007A - A kind of method and device of communication - Google Patents
A kind of method and device of communication Download PDFInfo
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- CN108135007A CN108135007A CN201810142874.9A CN201810142874A CN108135007A CN 108135007 A CN108135007 A CN 108135007A CN 201810142874 A CN201810142874 A CN 201810142874A CN 108135007 A CN108135007 A CN 108135007A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
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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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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
This application involves communication technology neighborhood, the embodiment of the present application provides a kind of method and device of communication, and this method includes：The reference signal that the user equipment that N number of remote equipment in Target cell receives is sent is measured, obtains the signal quality of the corresponding reference signal of N number of remote equipment, N is positive integer；The mapping relations between underlay cell and N number of remote equipment in the preset Target cell, determine the corresponding remote equipment in underlay cell in the Target cell；The signal quality of the corresponding underlay cell of N number of remote equipment is determined according to the signal quality of N number of remote equipment；According to the signal quality of the corresponding underlay cell of the N number of remote equipment underlay cell that selection carries out data transmission with the user equipment from the N number of remote equipment corresponding underlay cell.
Description
Technology neighborhood
This application involves communication technology neighborhood more particularly to a kind of method and devices of communication.
Background technology
With the development of the network technology, people are increasing to the demand of mobile network, and it is not to promote user throughput
Carry out a main trend of mobile communication technology development, as the technical solution that can effectively solve flow pressure, radio resource between node
Polymerization is to promote the potential technology scheme of user throughput, at present long-term evolution upgrading (Long Term Evolution-
Advanced, LTE-A) LTE and new wireless access (New RAT, NR) close interworking technology in doubly-linked connection technology and 5G systems
(tightinterworking) radio resource polymerization technique between node is employed in.
By taking the doubly-linked connection technology of lte-a system as an example, doubly-linked connection technology refers to user equipment (User Equipment, UE)
Can be simultaneously using the radio spectrum resources transmission uplink and downlink business of two base stations, two base stations manage respective cell respectively,
The base station of management main plot group (Master Cell Group, MCG) is macro base station (MeNB), i.e. master base station, manages secondary cell group
The base station of (Secondary Cell Group, SCG) is small base station (SeNB), i.e. prothetic group station, and master base station is mainly responsible for covering model
It encloses and the shunting of uplink and downlink data service is then responsible for improve the peak throughput of user in mobility, prothetic group station.
In order to adapt to the demand of user equipment mobile application, ensure continuity covering, need to minizone neighboring BS relationship into
Row complete configuration if neighboring BS relationship configuration is imperfect, will appear the harmful effects such as user equipment off-grid, call drop, cause to use
The problems such as family experience declines, customer churn, therefore, resolves the allocation problem of neighboring BS relationship, is to ensure covering quality, is promoted and used
The key point of family experience.
Between main plot, neighboring BS relationship is needed to configure between main plot and its secondary cell administered, to support mobile management
Using existing adjacent area management method includes：Manual configuration method based on physical location neighbouring relations；Intercepted based on cell or
Person's user equipment auxiliary is measured adjacent area self-configuring；It is triggered based on event and completes neighboring BS information amendment；Between WLAN and RAN
Adjacent area manages and interoperability, however, existing method is all to form neighboring cell list in cell side for the management of adjacent area, is then sent to
It eats dishes without rice or wine, user equipment measures the cell in neighboring cell list and be reported to service by eating dishes without rice or wine after parsing neighboring cell list
Cell supports mobile management with this.
In the prior art, user equipment needs first to measure the Reference Signal Received Power (Reference of all adjacent areas
Signal Receiving Power, RSRP) or Reference Signal Received Quality
(ReferenceSignalReceivingQuality, RSRQ), and measurement report is reported to base station, base station again from RSRP or
RSRQ, which is more than in the adjacent area of certain threshold requirement, selects a target handover cell as user equipment.
Since user equipment needs the signal quality of frequently measurement neighboring cell list, particularly with layered coverage, secondary cell number
Huge situation is measured, since the coverage area of micro-base station is small, deployment is dense, it is possible to which there are multiple in a macro station overlay area
There is the micro-base station of handoff relation；The allocation plan for leading to the neighboring cell list of user equipment is complicated, and user equipment is needed frequently to measure
The signal quality of Target cell in neighboring cell list will bring larger power consumption to consume to user equipment.For dual link user
For equipment, since user equipment also needs to connect two cells simultaneously, power consumption is inherently very big, if adding heavy neighbour again
Region measurement acts, and will cause the power consumption of bigger, and user equipment cruising ability is caused to decline, directly affects user experience, therefore,
If the power consumption of dual link user equipment is effectively reduced, into industry urgent problem.
In conclusion at present how to reduce cell switching complexity, and the power consumption for reducing user equipment be one urgently
It solves the problems, such as.
Invention content
The embodiment of the present application provides a kind of method and device of communication, to solve the problem of that prior art causes.
The embodiment of the present application provides a kind of method of communication, the method includes：
The reference signal that the user equipment that N number of remote equipment in Target cell receives is sent is measured, is obtained described N number of
The signal quality of the corresponding reference signal of remote equipment, N are positive integer；
The mapping relations between underlay cell and N number of remote equipment in the preset Target cell, really
The corresponding remote equipment in underlay cell in the fixed Target cell；
The corresponding underlay cell of N number of remote equipment is determined according to the signal quality of N number of remote equipment
Signal quality；It is corresponded to according to the signal quality of the corresponding underlay cell of the N number of remote equipment from N number of remote equipment
Underlay cell in the underlay cell that carries out data transmission with the user equipment of selection.
A kind of possible realization method determines N number of remote equipment point according to the signal quality of N number of remote equipment
The signal quality of not corresponding underlay cell, including：
By the signal quality of the remote equipment corresponding to underlay cell, the signal quality as corresponding underlay cell.
A kind of possible realization method determines N number of remote equipment point according to the signal quality of N number of remote equipment
The signal quality of not corresponding underlay cell, including：
It is set when any underlay cell in the Target cell corresponds to more than two distal ends in N number of remote equipment
When standby, by the signal of the best remote equipment of signal quality in the corresponding more than two remote equipments in any underlay cell
Signal quality of the quality as any underlay cell, alternatively, any underlay cell is corresponding more than two remote
Signal quality of the weighted average of the signal quality of end equipment as any underlay cell.
A kind of possible realization method, the signal matter according to the corresponding underlay cell of the N number of remote equipment
The underlay cell of selection and customer equipment data transmission from the N number of remote equipment corresponding underlay cell is measured, including：
From the N number of remote equipment corresponding underlay cell the top-quality underlay cell of selection signal as with it is described
The underlay cell that user equipment carries out data transmission.
A kind of possible realization method, the method further include：
If the underlay cell that the best underlay cell of the signal quality of selection carries out data transmission with the user equipment is not
Together, then the best underlay cell of the signal quality is updated to the underlay cell carried out data transmission with the user equipment,
And by the business of the user equipment before update, the best underlay cell of the signal quality is switched to.
A kind of possible realization method, the signal quality include the reception power RSRP of the reference signal, receive letter
The combination of one or more of number intensity instruction RSSI, Signal to Noise Ratio (SNR), Signal to Interference plus Noise Ratio SINR.
The embodiment of the present application provides a kind of device of communication, and described device includes：
Acquiring unit, the reference letter that the user equipment that N number of remote equipment for measuring in Target cell receives is sent
Number, the signal quality of the corresponding reference signal of N number of remote equipment is obtained, N is positive integer；
Processing unit, between the underlay cell in the preset Target cell and N number of remote equipment
Mapping relations, determine the corresponding remote equipment in underlay cell in the Target cell；According to N number of remote equipment
Signal quality determine the signal quality of the corresponding underlay cell of N number of remote equipment；According to N number of remote equipment
The selection from the corresponding underlay cell of the N number of remote equipment of the signal quality of corresponding underlay cell is set with the user
The standby underlay cell carried out data transmission.
A kind of possible realization method, the processing unit are specifically used for：
By the signal quality of the remote equipment corresponding to underlay cell, the signal quality as corresponding underlay cell.
A kind of possible realization method, the processing unit are specifically used for：
It is set when any underlay cell in the Target cell corresponds to more than two distal ends in N number of remote equipment
When standby, by the signal of the best remote equipment of signal quality in the corresponding more than two remote equipments in any underlay cell
Signal quality of the quality as any underlay cell, alternatively, any underlay cell is corresponding more than two remote
Signal quality of the weighted average of the signal quality of end equipment as any underlay cell.
A kind of possible realization method, the processing unit are specifically used for：
From the N number of remote equipment corresponding underlay cell the top-quality underlay cell of selection signal as with it is described
The underlay cell that user equipment carries out data transmission.
A kind of possible realization method, the processing unit are additionally operable to：
If the underlay cell that the best underlay cell of the signal quality of selection carries out data transmission with the user equipment is not
Together, then the best underlay cell of the signal quality is updated to the underlay cell carried out data transmission with the user equipment,
And by the business of the user equipment before update, the best underlay cell of the signal quality is switched to.
A kind of possible realization method, the signal quality include the reception power RSRP of the reference signal, receive letter
The combination of one or more of number intensity instruction RSSI, Signal to Noise Ratio (SNR), Signal to Interference plus Noise Ratio SINR.
According to method provided by the embodiments of the present application, the Base Band Unit of Target cell is measured at least one in the Target cell
The reference signal that the user equipment that a remote equipment receives is sent is obtained and is each distally set at least one remote equipment
Standby corresponding signal quality；The Base Band Unit of the Target cell is by least one remote equipment, corresponding signal matter
Amount is small as the bottom carried out data transmission with the user equipment more than the underlay cell where the remote equipment of first threshold
Area.In the case of not needing to configuring neighbor cell list, the traffic assignments of the underlay cell in the first community are realized, and by
The signal quality of the reference signal of the Target cell in neighboring cell list need not be measured in user equipment, user is greatly reduced and sets
Standby power consumption, improves user experience.
Description of the drawings
Fig. 1 is a kind of configuration diagram of the method for communication provided by the embodiments of the present application；
Fig. 2 is a kind of flow diagram of the method for communication provided by the embodiments of the present application；
Fig. 3 is a kind of structure diagram of the device of communication provided by the embodiments of the present application.
Specific embodiment
The embodiment of the present application can be applied to various communication systems, such as：Global system for mobile telecommunications (Global System of
Mobile communication, GSM) system, CDMA (Code Division Multiple Access, CDMA) system
System, wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA) system, general packet without
Line service (General Packet Radio Service, GPRS), long term evolution (Long Term Evolution, LTE) system
System, advanced long term evolution (Advanced long term evolution, LTE-A) system, Universal Mobile Communication System
(Universal Mobile Telecommunication System, UMTS), long term evolution (the evolved Long of evolution
Term Evolution, eLTE) other mobile communication system such as system, 5G.
The network equipment in the embodiment of the present application, e.g. base station (for example, access point) can be referred to the accession in net
Pass through one or more sectors and the equipment of wireless terminal communications on interface in the air.Base station can be used for by the air frame that receives with
IP (Internet protocol) groupings are mutually converted, as the router between the rest part of wireless terminal and access net, wherein
The rest part of access net may include IP network.Base station also tunable is to the attribute management of air interface.For example, base station can be
GSM (Global System for Mobile Communication, global system for mobile communications) or CDMA
BTS (Base Transceiver Station, base station) in (CodeDivisionMultipleAccess, CDMA),
Can also be the NodeB in WCDMA (Wideband Code Division Multiple Access, wideband code division multiple access),
It can also be the eNB (Evolved Node B, evolved base station) in LTE, the present invention does not limit.
It can also be catv terminal that user equipment in the embodiment of the present application, which can be wireless terminal, and wireless terminal can be with
Refer to the equipment for providing a user voice and/or data connectivity, there is the portable equipment of wireless connecting function or be connected to
Other processing equipments of radio modem.Wireless terminal can be through RAN (RadioAccess Network, wireless access
Net) it communicates with one or more core nets, wireless terminal can be mobile terminal, if mobile phone (or is " honeycomb "
Phone) and with mobile terminal computer, for example, it may be portable, pocket, hand-held, built-in computer or
Vehicle-mounted mobile device, they exchange language and/or data with wireless access network.For example, PCS (Personal
Communication Service, personal communication service) phone, wireless phone, SIP (Session Initiation
Protocol, Session initiation Protocol) phone, WLL (Wireless Local Loop, wireless local loop) stand, PDA
Equipment such as (Personal Digital Assistant, personal digital assistants).Wireless terminal is referred to as system, SU
(Mobile Station are moved by (Subscriber Unit, subscriber unit), SS (Subscriber Station, subscriber station), MS
Dynamic station), mobile station, distant station, AP (Access Point, access point), remote terminal, access terminal, user terminal, Yong Hudai
Reason, user equipment.
In specific implementation process, a base station system can support various bandwidth, such as 40MHz bandwidth, 20MHz bands
Width, 10MHz bandwidth etc..Different system bandwidths can support the cell of different number, for example, 40MHz bandwidth can support 2
The LTE cells of 20MHz, 20MHz bandwidth can support 100 GSM cells.The quantity of cell can be according to practical band in the system
Width determines that this is not restricted.
In the embodiment of the present application, user equipment can be communicated by way of dual link, user equipment (User
Equipment, UE) can be simultaneously using the radio spectrum resources transmission uplink and downlink business of two base stations, two base stations are managed respectively
Manage respective cell, the base station of management main plot group (Master Cell Group, MCG) is macro base station (MeNB), i.e., main base
It stands, the base station of management secondary cell group (Secondary Cell Group, SCG) is small base station (SeNB), i.e. prothetic group station, master base station
Coverage area and mobility are mainly responsible for, the shunting that uplink and downlink data service is then responsible at prothetic group station is handled up to improve the peak value of user
Amount.
For the user equipment of initial access, using by completing to connect with the network side equipment where Target cell
Establish process.The Target cell can be based in cell group cell.The network side equipment for managing the Target cell is born
Duty is sent comprising information such as basic Cell Broadcast CB signalings and random access resource.Manage the network side equipment of the Target cell
It can be the terminal holding cell connection of the access, initiate random access etc..By determining responsible uplink and downlink data service
The underlay cell of shunting so that the network side equipment for managing the underlay cell can be that different content, such as PUCCH is configured in terminal
(Physical Uplink ControlChannel, Physical Uplink Control Channel) configuration, SPS (Semi-Persistent
Scheduling, semi-persistent scheduling) configuration etc..The underlay cell can be supplemented by cell group any cell.
In distributed base station system, the uplink signal that user equipment is sent can be connect by the antenna in remote equipment
It receives, and is transmitted to corresponding Remote Radio Unit (Radio Remote Unit, RRU), then by simulating distal end convergence device
(rHub) merge using simple signal constant power or mode is merged using power splitter, multiple signals are combined, and pass through RRU
It is linked into baseband processing unit (Building Base band Unit, BBU).One underlay cell can set a distal end
Equipment, can also multiple underlay cells correspond to a remote equipment, can also a underlay cell multiple remote equipments are set, can
Specific setting according to actual needs, this is not restricted.According to specific network settings, it may be determined that network side equipment management
Mapping relations between all underlay cells that remote equipment and the Target cell in Target cell are administered.
In specific implementation process, the mapping relations can be obtained when base station powers on the mapping relations and
During service operation, according to newer needs are configured, the mapping relations are updated, and by the mapping of acquisition
Relationship or updated mapping relations are issued to corresponding underlay cell.
Wherein, one Target cell at least corresponds to an at least one of underlay cell, Target cell bottom
Layer cell corresponds at least one remote equipment；The Target cell administers underlay cell, refers to the underlay cell covering model
Interior existing underlay cell is enclosed, the underlay cell does coverage enhancement for the Target cell, provides service distributing ability.
As shown in Figure 1, in the embodiment of the present application, base station system has 2 Target cells in a distributed manner, Target cell 0 wraps
Include 5 underlay cells, Target cell 1 includes 4 underlay cells, for illustrate.
Wherein, the underlay cell that Target cell 0 is administered includes underlay cell 0_0, underlay cell 0_1, underlay cell 0_
2nd, underlay cell 0_3, underlay cell 0_4；
The underlay cell that Target cell Target cell 1 is administered includes underlay cell 1_0, underlay cell 1_1, underlay cell
1_2, underlay cell 1_3；
As shown in Fig. 2, the embodiment of the present application provides a kind of flow diagram of the method for communication, include the following steps：
Step 201：The reference signal that the user equipment that N number of remote equipment in Target cell receives is sent is measured, is obtained
The signal quality of the corresponding reference signal of N number of remote equipment is obtained, N is positive integer；
Step 202：The mapping between underlay cell and N number of remote equipment in the preset Target cell
Relationship determines the corresponding remote equipment in underlay cell in the Target cell；
Step 203：The corresponding bottom of N number of remote equipment is determined according to the signal quality of N number of remote equipment
The signal quality of layer cell；According to the signal quality of the corresponding underlay cell of the N number of remote equipment from N number of distal end
The underlay cell that selection carries out data transmission with the user equipment in the corresponding underlay cell of equipment.
In step 201, the reference signal can be Sounding Reference Signal (Sounding Reference
Signal, SRS), or other signals do not limit herein.In specific implementation process, it may comprise steps of：
Step 1: N number of remote equipment in the Target cell passes through at least part transmitted by the user equipment
Signal separator returns to the Base Band Unit of Target cell；
Step 2: it is corresponded to by the Base Band Unit of the Target cell by measuring the terminal in N number of remote equipment
Reference signal obtain signal quality of the user equipment about the corresponding reference signal of the N number of remote equipment；
Step 3: measure received signal quality of N number of remote equipment about same user equipment described in Target cell.
For example, can include：
Step 1: after the Target cell determines that the user equipment accesses the Target cell, it is small by the target
N number of remote equipment in area receives the reference signal that the user equipment is sent；
Step 2: the reference signal of the N number of remote equipment according to reception, determines the user equipment in the distal end
Reference signal in equipment, and it is back to the Base Band Unit of the Target cell；
Step 3: the Base Band Unit measures the reference signal, the signal quality of the reference signal is obtained.
A kind of possible realization method, the signal quality are the reception power RSRP of the reference signal or reception letter
Number intensity instruction RSSI or signal and Signal to Interference plus Noise Ratio (Signal to Interference plus Noise
Ratio, SINR) information.
Wherein, SINR information can be embodied by SINR value, and SINR refers to intensity and the reception of the useful signal received
The ratio of the intensity of interference signal (noise and interference) arrived, can simply be interpreted as " signal-to-noise ratio ", and the useful letter received
Number intensity can represent that RSRP or RSRQ are bigger with RSRP or RSRQ, show to be currently able to the network signal intensity received
Bigger or signal strength quality is better.
For user equipment, various interference and the influence of noise are may also be subjected in practice, if only considered
RSRP and ignore interference and the influence of noise, be often then likely to occur signal strength expire lattice and the poor situation of communication effect,
That is, for compared to RSRP, SINR can more reflect the practical communication quality of the cell of user equipment, so passing through SINR
Information is taken into account together to select the mode of underlay cell that can user equipment be disturbed to situation in real time, selects in this way
Underlay cell be capable of the practical business demand of user equipment more as possible, i.e., the standard of underlay cell is selected by SINR information
True property higher, so that the underlay cell selected can improve higher service quality for user equipment.
In step 202, the Base Band Unit of the Target cell can according to preset N number of remote equipment with it is described
The mapping relations of underlay cell in Target cell are determined in the Target cell belonging to N number of remote equipment at least
One underlay cell；
Underlay cell that can be according in the Target cell with the mapping relations of remote equipment in the underlay cell
Coverage area determine, can also be determined according to practical application scene, do not limit herein.
In step 203, it is small for any bottom in the corresponding at least one underlay cell of the N number of remote equipment
Area can determine the signal quality of the underlay cell in the following manner：
A kind of possible realization method, by the signal quality of the remote equipment corresponding to underlay cell, as corresponding bottom
The signal quality of layer cell.
A kind of possible realization method, when any underlay cell in the Target cell corresponds to N number of remote equipment
In more than two remote equipments when, by signal quality in the corresponding more than two remote equipments in any underlay cell
Signal quality of the signal quality of best remote equipment as any underlay cell.
Pass through the above method, it may be determined that the best signal quality of the underlay cell, and then by the user equipment
It accesses in the corresponding remote equipment of the best signal quality, reaches best with the signal quality for realizing user equipment.
A kind of possible realization method, when any underlay cell in the Target cell corresponds to N number of remote equipment
In more than two remote equipments when, by the signal quality of the corresponding more than two remote equipments in any underlay cell
Signal quality of the weighted average as any underlay cell.
Wherein, the weighted average signal quality of each remote equipment can be averaging according to after being multiplied by weighted value
Number, acquired results are weighted average.The weighted value can be according to the location determination where the remote equipment, can also root
It is determined according to other modes, to realize the whole signal quality for preferably reflecting the underlay cell.
It in step 203, can after the signal quality for determining the corresponding underlay cell of N number of remote equipment
With the underlay cell that selection carries out data transmission with the user equipment from the N number of remote equipment corresponding underlay cell.
A kind of possible realization method, can be using the best underlay cell of signal quality in the underlay cell as described in
The underlay cell that user equipment carries out data transmission.
To improve the load capacity of cell, a kind of possible realization method may comprise steps of：
Step 1: determine that load is less than at least one signal matter of predetermined threshold from the multiple remote equipment
Measure best underlay cell；
Step 2: determine that loading minimum and SINR information in the best underlay cell of at least one signal quality indicates
The underlay cell of SINR value maximum be the underlay cell that carries out data transmission of the user equipment.
In step 203, the network side equipment of the Target cell is managed in the underlay cell for determining the user equipment
Afterwards, described information is exported to the network side equipment for managing the underlay cell, and determine the underlay cell as with it is described
The underlay cell that user equipment carries out data transmission.
A kind of possible realization method, the Base Band Unit of the Target cell are small by the Target cell and the bottom
At least one cell carries out data transmission with the user equipment in area.
Specific implementation process can determine that the bottom carried out data transmission with the user equipment is small according to actual needs
Area does not limit herein.Such as, however, it is determined that it needs to carry out dual link with the user equipment, then it can be small by the target
Area and the underlay cell carry out data transmission with the user equipment；It can also be set by the Target cell and the user
It is standby to carry out data transmission or carried out data transmission by the underlay cell and the user equipment；It can be provided according to network
Source distribution condition and channel quality determine the cell carried out data transmission with the user.
In specific implementation process, manage the network side equipment of the underlay cell can indicate user equipment to it is described really
Fixed underlay cell switches over.Specifically, after the underlay cell that the user equipment is determined, the network equipment can be with
Switching command is sent to user equipment, the network equipment is according to the instruction of switching command with from the underlay cell of current transmission data
Switch to the underlay cell of the determining user equipment.By the business of the user equipment before update, the bottom is switched to
Layer cell.Existing switching method may be used in the switching method, does not limit specifically.
When determining target handover cell, this condition of SINR is not only considered, it can also be simultaneously by the load feelings of cell
Condition considers together, shows that the cell is currently at busier crowded network state if load is larger, if at this time again
If the network equipment is added in, the business of the network equipment may be led to can not perform effectively, it is also possible to cause the network equipment can not
Effectively switch, i.e., the success rate switched over to crowded cell is relatively low, and based on this, the embodiment of the present invention is determining that target cuts
Also the loading condition of cell is accounted for together during changing district, to ensure that the network equipment carries out the success rate of cell switching as possible
It can be efficiently performed with business.
It is currently the user device transmissions data in order to ensure the SINR value of final selected underlay cell is greater than
Underlay cell SINR, can be by the way that SINR value be selected to be more than the underlay cell of presently described user device transmissions data
SINR value determines whether the underlay cell of the user equipment needs to switch, and the switching that can cause cell in this way is from network
Poor cell on the basis of business continuance is ensured, can also ensure business energy as possible toward the preferable cell switching of network
It is enough to be performed under preferable network state, to improve the duration and validity of business execution.
Frequent switching for the underlay cell for avoiding carrying out data transmission with the user equipment, a kind of possible realization side
Formula, including：
Step 1: by determining that the best bottom of at least one signal quality is small at least one time window
Area；
Wherein, the duration of the time window can determine as needed, not limit herein.
Step 2: it is more than default time if it is determined that occurring number in the best underlay cell of at least one signal quality
Several underlay cells, and the occurrence number is more than what underlay cell and the user equipment of preset times carried out data transmission
Underlay cell is different, it is determined that the user equipment needs to switch to the underlay cell that the occurrence number is more than preset times.
Alternatively, it is also possible to judge whether to need in the following manner to switch, including：
The Target cell is if it is determined that remote equipment corresponding with the underlay cell that the user equipment carries out data transmission
Signal quality less than second threshold, and the best underlay cell of the signal quality carries out data biography with the user equipment
Defeated underlay cell is different, then is updated to the best underlay cell of the signal quality carry out data with the user equipment
The underlay cell of transmission.
A kind of possible realization method, may comprise steps of：
Step 1: the SINR value of underlay cell for determining to carry out data transmission with the user equipment drops in scheduled duration
Down to second threshold, and the signal quality it is best underlay cell it is different from the cell that the terminal carries out data transmission；
Step 2: the best underlay cell of the signal quality is updated to what is carried out data transmission with the user equipment
Underlay cell, and indicate that the user equipment switches to described determine from the underlay cell that the user equipment carries out data transmission
Underlay cell.
After instruction user equipment switches to identified underlay cell according to the method described above, can also judge it is described more
Whether the SINR value of the underlay cell after new is reduced to predetermined SINR value in scheduled duration, if it is determined that is dropped in scheduled duration
Down to predetermined SINR value, then can the bottom be redefined according to the signal quality of the reference signal of the newest transmission of user equipment
Layer cell.
Wherein, scheduled duration can be from user equipment switch to underlay cell after shorter a period of time, if
It determines that the SINR value of the underlay cell of target switching is reduced to predetermined SINR value in the shorter a period of time, then may indicate that
The Network status of the underlay cell of target switching is drastically deteriorated, if also continuing to carry out business service with the underlay cell
Words, then may lead to service disconnection, so the execution of the continuity and validity in order to ensure business, can again indicate that at this time
User equipment carries out secondary cell switching, the underlay cell can according to the reference signal of the newest transmission of user equipment letter
Number quality redefines the underlay cell.
In addition, during switching cell is determined the need for, RSRP can also be accounted for together simultaneously, example
Such as, RSRP values can first be selected higher than predetermined value or small higher than at least one bottom of the RSRP values of current underlay cell
Then area determines the underlay cell carried out data transmission with the user equipment based on the mode of foregoing description again.
A kind of possible realization method, can be first to user equipment before instruction user equipment carries out cell switching
Type of service is judged, for the more demanding type of service of the continuity of business, is made whether to need sentencing for switching cell
It is disconnected, layered shaping is first carried out to the business of user equipment to realize, so as to user equipment can correspond to corresponding layered service into
Row cell switches, to save Internet resources.
For example, the network equipment can receive the request of the intended service transmitted by user equipment and then instruction user
Equipment switches to determining underlay cell from the underlay cell of current transmission data.The intended service can be the company to business
The more demanding business of continuous property, for example, intended service request shows that user equipment needs to carry out speech business, such as carry out
VoLTE (Voice over LTE) business, VoLTE is a kind of voice service based on LTE technologies, it is a kind of IP data transmissions
Technology, without 2G/3G nets, whole business can be carried on 4G networks, it can be achieved that data and speech business are under consolidated network
Unification, in other words, not only provide the data service of high-speed under 4G networks, while the audio and video for also providing high quality are led to
Words, the latter just need VoLTE technologies to realize.
A kind of specific embodiment of the method for communication is described below with specific embodiment：
As shown in Figure 1, in the present embodiment, by taking LTE system as an example, including two Target cells：Target cell 0, target are small
Area 1；In the mapping relations of Target cell 0, underlay cell 0_0, underlay cell 0_1, underlay cell 0_2, underlay cell 0_3, bottom
The remote equipment 0_0 of layer cell 0_4 difference mapping objects cell 0, remote equipment 0_1, remote equipment 0_2, remote equipment 0_3,
Remote equipment 0_4.
At the T0 moment, include the following steps：
Step 1: terminal 1 is linked into Target cell 0；
Step 2: the SRS signal that the remote equipment in Target cell 0 sends terminal 1 does separation passback, determine each remote
The SRS signal for the terminal 1 that end equipment receives；
For example, remote equipment 0_0 and remote equipment 0_1 receives the SRS signal that terminal 1 is sent, determine that remote equipment 0_0 connects
The SRS signal 1 of the terminal 1 of receipts, remote equipment 0_1 receive the SRS signal 2 that terminal 1 is sent；
Step 3: the Base Band Unit of Target cell 0 measures the SRS signal for the terminal 1 that each remote equipment receives, determine every
The signal quality of the SRS signal for the terminal 1 that a remote equipment receives；
For example, the Base Band Unit of Target cell 0 measures the signal quality of SRS signal 1 and SRS signal 2, SRS signal 2 is determined
Signal quality it is higher than the signal quality of SRS signal 1；Determine that remote equipment 0_2 received signal quality is higher.
Step 4: according to determining remote equipment and the mapping relations of underlay cell, the cell for determining optimum signal quality is
The underlay cell of terminal 1；
Such as, however, it is determined that remote equipment 0_2 received signal quality is higher, since remote equipment 0_2 is underlay cell 0_2
In remote equipment, it is determined that the underlay cell of terminal 1 be underlay cell 0_2；
The business of terminal 1 is detached Step 5: Target cell 0 is determined as underlay cell 0_2.
Step 6: if Target cell 0 determines what the corresponding underlay cell of optimum signal quality carried out data transmission with terminal 1
Underlay cell is different, then carries out cell switching.
For example, with the movement of terminal, at the T1 moment, may comprise steps of：
Step 1: the SRS signal that the remote equipment in Target cell 0 sends terminal 1 does separation passback, determine each remote
The SRS signal for the terminal 1 that end equipment receives；
For example, remote equipment 0_2 and remote equipment 0_3 receives the SRS signal that terminal 1 is sent, determine that remote equipment 0_2 connects
The SRS signal 4 of the terminal 1 of receipts, remote equipment 0_3 receive the SRS signal 4 that terminal 1 is sent；
Step 2: the Base Band Unit of Target cell 0 measures the SRS signal for the terminal 1 that each remote equipment receives, determine every
The signal quality of the SRS signal for the terminal 1 that a remote equipment receives；
For example, the Base Band Unit of Target cell 0 measures the signal quality of SRS signal 3 and SRS signal 4, SRS signal 3 is determined
Signal quality it is higher than the signal quality of SRS signal 4；Determine that remote equipment 0_3 received signal quality is higher.
Step 4: according to determining remote equipment and the mapping relations of underlay cell, the cell for determining optimum signal quality is
The underlay cell of terminal 1；
Such as, however, it is determined that remote equipment 0_3 received signal quality is higher, since remote equipment 0_3 is underlay cell 0_3
In remote equipment, it is determined that the underlay cell of terminal 1 be underlay cell 0_3；
Step 5: Target cell 0 is selected being separated to the service switching of underlay cell 0_2 to underlay cell 0_3.
The embodiment of the present application supports the switching of moving process, ensures that hierarchical network experience is continuous.
For above method flow, the embodiment of the present application also provides a kind of device of communication, and the particular content of the device can
To implement with reference to the above method, details are not described herein.
The embodiment of the present application provides a kind of device of communication, as shown in figure 3, described device includes：
Acquiring unit 301, the reference that the user equipment that N number of remote equipment for measuring in Target cell receives is sent
Signal obtains the signal quality of the corresponding reference signal of N number of remote equipment, and N is positive integer；
Processing unit 302, for the underlay cell in the preset Target cell and N number of remote equipment it
Between mapping relations, determine the corresponding remote equipment in underlay cell in the Target cell；It is set according to N number of distal end
Standby signal quality determines the signal quality of the corresponding underlay cell of N number of remote equipment；It is set according to N number of distal end
The signal quality of standby corresponding underlay cell selection and user from the corresponding underlay cell of the N number of remote equipment
The underlay cell that equipment carries out data transmission.
A kind of possible realization method, processing unit 302 are specifically used for：
By the signal quality of the remote equipment corresponding to underlay cell, the signal quality as corresponding underlay cell.
A kind of possible realization method, processing unit 302 are specifically used for：
When any cell in the Target cell corresponds to more than two remote equipments in N number of remote equipment
When, the signal quality of the best remote equipment of signal quality in the corresponding more than two remote equipments of any cell is made
For the signal quality of any cell, alternatively, the signal matter by the corresponding more than two remote equipments of any cell
Signal quality of the weighted average of amount as any cell.
A kind of possible realization method, processing unit 302 are specifically used for：
From the N number of remote equipment corresponding underlay cell the top-quality underlay cell of selection signal as with it is described
The underlay cell that user equipment carries out data transmission.
A kind of possible realization method, processing unit 302 are additionally operable to：
If the underlay cell that the best underlay cell of the signal quality of selection carries out data transmission with the user equipment is not
Together, then the best underlay cell of the signal quality is updated to the underlay cell carried out data transmission with the user equipment,
And by the business of the user equipment before update, the best underlay cell of the signal quality is switched to.
A kind of possible realization method, the signal quality include the reception power RSRP of the reference signal, receive letter
The combination of one or more of number intensity instruction RSSI, Signal to Noise Ratio (SNR), Signal to Interference plus Noise Ratio SINR.
In conclusion method provided by the embodiments of the present application, it is small to measure the target by the Base Band Unit of Target cell
The reference signal that the user equipment that at least one remote equipment receives in area is sent is obtained at least one remote equipment
The corresponding signal quality of each remote equipment；The Base Band Unit of the Target cell is right by least one remote equipment
Underlay cell where the signal quality answered is more than the remote equipment of first threshold carries out data biography as with the user equipment
Defeated underlay cell.In the case where not needing to configuring neighbor cell list, realize solve the traffic assignments of underlay cell, and by
The signal quality of the reference signal of the Target cell in neighboring cell list need not be measured in user equipment, and then by base station complete independently
The switching of underlay cell eliminates the work that terminal measures underlay cell, greatly reduces the power consumption of user equipment, can be effective
Dual link power consumption of terminal is saved, terminal cruising ability is promoted, improves user experience, improve network efficiency.
Technical staff in this neighborhood is it should be appreciated that embodiments herein can be provided as method, system or computer program
Product.Therefore, the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware can be used in the application
Apply the form of example.Moreover, the computer for wherein including computer usable program code in one or more can be used in the application
The shape of computer program product that usable storage medium is implemented on (including but not limited to magnetic disk storage and optical memory etc.)
Formula.
The application is with reference to the flow according to the method for the embodiment of the present application, equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that it can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
The processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that the instruction performed by computer or the processor of other programmable data processing devices is generated for real
The device of function specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction generation being stored in the computer-readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps are performed on calculation machine or other programmable devices to generate computer implemented processing, so as in computer or
The instruction offer performed on other programmable devices is used to implement in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Obviously, the technical staff of this neighborhood can carry out the application essence of the various modification and variations without departing from the present invention
God and range.In this way, if these modifications and variations of the application belong to the range of the application claim and its equivalent technologies
Within, then the application is also intended to include these modifications and variations.
Claims (12)
- A kind of 1. method of communication, which is characterized in that the method includes：The reference signal that the user equipment that N number of remote equipment in Target cell receives is sent is measured, obtains N number of distal end The signal quality of the corresponding reference signal of equipment, N are positive integer；The mapping relations between underlay cell and N number of remote equipment in the preset Target cell, determine institute State the corresponding remote equipment in underlay cell in Target cell；The signal of the corresponding underlay cell of N number of remote equipment is determined according to the signal quality of N number of remote equipment Quality；According to the signal quality of the corresponding underlay cell of the N number of remote equipment from the corresponding bottom of the N number of remote equipment The underlay cell that selection carries out data transmission with the user equipment in layer cell.
- 2. the method as described in claim 1, which is characterized in that the N is determined according to the signal quality of N number of remote equipment The signal quality of the corresponding underlay cell of a remote equipment, including：By the signal quality of the remote equipment corresponding to underlay cell, the signal quality as corresponding underlay cell.
- 3. the method as described in claim 1, which is characterized in that the N is determined according to the signal quality of N number of remote equipment The signal quality of the corresponding underlay cell of a remote equipment, including：When any underlay cell in the Target cell corresponds to more than two remote equipments in N number of remote equipment When, by the signal matter of the best remote equipment of signal quality in the corresponding more than two remote equipments in any underlay cell Signal quality as any underlay cell is measured, alternatively, by the corresponding more than two distal ends in any underlay cell Signal quality of the weighted average of the signal quality of equipment as any underlay cell.
- 4. the method as described in claim 1, which is characterized in that described according to the corresponding bottom of the N number of remote equipment The bottom of the signal quality of cell selection and customer equipment data transmission from the corresponding underlay cell of the N number of remote equipment Layer cell, including：From the N number of remote equipment corresponding underlay cell the top-quality underlay cell of selection signal as with the user The underlay cell that equipment carries out data transmission.
- 5. method as described in claim 1 or 4, which is characterized in that the method further includes：If the best underlay cell of the signal quality of selection is different from the underlay cell that the user equipment carries out data transmission, The best underlay cell of the signal quality is updated to the underlay cell carried out data transmission with the user equipment, and will more The business of the user equipment before new, switches to the best underlay cell of the signal quality.
- 6. the method as described in claim 1, which is characterized in that the signal quality includes the reception power of the reference signal One or more of RSRP, received signal strength indicator RSSI, Signal to Noise Ratio (SNR), Signal to Interference plus Noise Ratio SINR's Combination.
- 7. a kind of device of communication, which is characterized in that described device includes：Acquiring unit, the reference signal that the user equipment that N number of remote equipment for measuring in Target cell receives is sent, is obtained The signal quality of the corresponding reference signal of N number of remote equipment is obtained, N is positive integer；Processing unit, for reflecting between the underlay cell in the preset Target cell and N number of remote equipment Relationship is penetrated, determines the corresponding remote equipment in underlay cell in the Target cell；According to the letter of N number of remote equipment Number quality determines the signal quality of the corresponding underlay cell of N number of remote equipment；Distinguished according to N number of remote equipment The signal quality of corresponding underlay cell from the N number of remote equipment corresponding underlay cell selection and the user equipment into The underlay cell of row data transmission.
- 8. device as claimed in claim 7, which is characterized in that the processing unit is specifically used for：By the signal quality of the remote equipment corresponding to underlay cell, the signal quality as corresponding underlay cell.
- 9. device as claimed in claim 7, which is characterized in that the processing unit is specifically used for：When any underlay cell in the Target cell corresponds to more than two remote equipments in N number of remote equipment When, by the signal matter of the best remote equipment of signal quality in the corresponding more than two remote equipments in any underlay cell Signal quality as any underlay cell is measured, alternatively, by the corresponding more than two distal ends in any underlay cell Signal quality of the weighted average of the signal quality of equipment as any underlay cell.
- 10. device as claimed in claim 7, which is characterized in that the processing unit is specifically used for：From the N number of remote equipment corresponding underlay cell the top-quality underlay cell of selection signal as with the user The underlay cell that equipment carries out data transmission.
- 11. the device as described in claim 7 or 10, which is characterized in that the processing unit is additionally operable to：If the best underlay cell of the signal quality of selection is different from the underlay cell that the user equipment carries out data transmission, The best underlay cell of the signal quality is updated to the underlay cell carried out data transmission with the user equipment, and will more The business of the user equipment before new, switches to the best underlay cell of the signal quality.
- 12. device as claimed in claim 7, which is characterized in that the signal quality includes the reception work(of the reference signal One or more of rate RSRP, received signal strength indicator RSSI, Signal to Noise Ratio (SNR), Signal to Interference plus Noise Ratio SINR Combination.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810142874.9A CN108135007A (en) | 2018-02-11 | 2018-02-11 | A kind of method and device of communication |
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| CN201810142874.9A CN108135007A (en) | 2018-02-11 | 2018-02-11 | A kind of method and device of communication |
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| CN108135007A true CN108135007A (en) | 2018-06-08 |
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| CN111107596A (en) * | 2019-12-13 | 2020-05-05 | 京信通信系统（中国）有限公司 | Neighbor cell switching method and device, pico-base station and storage medium |
| CN111328085A (en) * | 2018-12-13 | 2020-06-23 | 华为技术有限公司 | Method and communication device for configuring secondary cell |
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