CN106160968A - Unauthorized frequency range district dynamic instruction device and method, communication system and method - Google Patents
Unauthorized frequency range district dynamic instruction device and method, communication system and method Download PDFInfo
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Abstract
The present invention provides one to enable the terminals to quickly and is correctly received in available cell, thus improves the unauthorized frequency range district dynamic instruction device of data transmission efficiency.This unauthorized frequency range district dynamic instruction device possesses: dispensing unit, the mandate frequency range community corresponding with authorizing frequency range to the configuration of each terminal and the unauthorized frequency range community corresponding with each the unauthorized band channels constituting unauthorized frequency range;Rm-cell, management represents the unauthorized frequency range cell status management information of the state of unauthorized frequency range community;Downlink signaling generation unit, manages information according to above-mentioned unauthorized frequency range cell status, generates downlink signaling, this downlink signaling include representing each unauthorized frequency range community whether can unauthorized frequency range cell status information;And downlink signaling transmitting element, by the above-mentioned above-mentioned downlink signaling of mandate multi-band broadcast.
Description
Technical field
The present invention relates to a kind of little with the unauthorized frequency range under unauthorized carrier aggregation sight in mandate frequency range
District dynamically indicates under device and unauthorized frequency range district dynamic instruction installation method, carrier aggregation state
Communication system and communication means.
Background technology
At wireless communication field, need the transmitting-receiving using wireless channel to carry out data.Due to wireless channel
Sharing, any wireless signal, all can be in same frequency range before decaying to a certain degree
Other signal of transmission interferes so that what the stay of two nights can not be correct is received signal.Wireless
Therefore frequency resource is generally viewed as the limited resources of preciousness, the national governments radio set up specially
Administration section is managed.Radio frequency resources can divide into mandate frequency range and unauthorized frequency range.
Use for wireless channel needs the approval of radio control department under normal circumstances.Purpose is
Business application, user needs to pay the proprietary expense of frequency range of certain number, to obtain this frequency range
Exclusivity, such frequency range is referred to as authorizing frequency range.
Unauthorized frequency range refers to that the sender of information is the most spendable without the mandate of radio control department
Frequency range, such as industry, science and Medical band (Industrial, scientific and medical radio
Bands:ISM).Any demander wanting to use this frequency range, it is only necessary to meet specific qualifications,
Such as in frequency range, total power of launching higher than the upper limit of unauthorized frequency range permission, and must not support the dry of necessity
Disturb control or avoidance mechanism, such as dynamic frequency selection mechanism, " first listen and send out afterwards "
(Listen-Before-Talk:LBT) mechanism etc., can use this frequency based on any wireless access technology
Section, such as WLAN (Wireless Local Area Network:WLAN) technology.
In 3GPP (The 3rd Generation Partnership Project: third generation Partnership Program) group
Knit in the standard of long evolving system (Long Term Evolution:LTE) of formulation, define load
Ripple polymerization technique.
In carrier aggregation technology, base station can be a terminal configuration a width of 20MHz of multiple high-band
Frequency range, it is allowed to uplink and downlink data are transmitted in these frequency ranges simultaneously, with obtain promote
Message transmission rate.These are used for the carrier wave of carrier aggregation, be called CC (Component Carrier:
Component carrier).In order to ensure for ambulant support, LTE defines many for channel reliability
Require higher flow process, such as Radio Link Detection, random access procedure etc..These flow processs only exist
Complete on one carrier wave being referred to as main plot (primary cell:PCell), and other be referred to as
The carrier wave of secondary cell (secondary cell:SCell) is mainly used in strengthening data transmission, for reliably
Property require relatively low.Therefore, using the channel in mandate frequency range as main plot, by unauthorized frequency range
Channel is allocated to terminal as secondary cell, to reach the enhancing of transfer rate and supplementary purpose, becomes
The developing direction that LTE technology is new.
Owing to the band of unauthorized frequency range is roomy, the change in availability of each channel is fast, needs dynamic choosing
Select community (channel, carrier wave) send and receive data.
About the technology of carrier aggregation, put forward the scheme how using unauthorized frequency range in the prior art.
Such as, in patent documentation 1 (201310233942.X), it is proposed that both can also may be used authorizing frequency range
With the method communicated in unauthorized frequency range.ENodB can consider in one or more unauthorized frequency ranges
The order of priority that LTE protocol communicates, instruction UE is used to have the unauthorized of limit priority
Band communication.
In patent documentation 2 (US2013/0343288), it is proposed that a unauthorized frequency range carries out LTE
The Poewr control method of transmission.By using LBT, transmission window in unauthorized frequency range and adjusting accordingly
Whole transmit power, effectively transmits.The method is assumed to utilize to authorize a frequency range and simultaneously
Individual unauthorized frequency range communicates.
But, unauthorized frequency range, due to its particularity, is non-exclusivity, therefore relative to mandate especially
The problem that there is instability for frequency range, is in the little of multiple unauthorized frequency range overlap particular for terminal
This state in district, prior art does not provide the method that can dynamically distribute frequency range.
Even if it addition, for same unauthorized frequency range, sometimes this unauthorized frequency range can further by
It is divided into the channel of multiple unauthorized frequency range, and prior art does not accounts for indicating different channels to enter yet
The method of row communication.
Summary of the invention
The present invention is exactly to propose in view of the above problems, its object is to provide one to enable the terminals to
Quickly correctly it is received in available cell, thus the unauthorized frequency range improving data transmission efficiency is little
District dynamically indicates under device and unauthorized frequency range district dynamic instruction installation method, carrier aggregation state
Communication system and communication means.
One embodiment of the invention is that a kind of unauthorized frequency range district dynamic indicates device, its feature
It is possess: dispensing unit, the mandate frequency range community corresponding with authorizing frequency range to the configuration of each terminal
And the unauthorized frequency range community corresponding with each the unauthorized band channels constituting unauthorized frequency range;Money
Source control unit, management represents the unauthorized frequency range cell status management of the state of unauthorized frequency range community
Information;Downlink signaling generation unit, manages information according to above-mentioned unauthorized frequency range cell status, generates
Downlink signaling, this downlink signaling include representing each unauthorized frequency range community whether can unauthorized frequency
Section cell status information;And downlink signaling transmitting element, by above-mentioned mandate multi-band broadcast above-mentioned under
Row signaling.
Another embodiment of the invention is the communication means under a kind of carrier aggregation state, its feature
It is, including: base station configures the mandate corresponding with authorizing frequency range frequently to each terminal in coverage
Duan little Qu and the unauthorized frequency range corresponding with each the unauthorized band channels constituting unauthorized frequency range are little
The step in district, BTS management represents the unauthorized frequency range cell status pipe of the state of unauthorized frequency range community
Reason information, and manage information according to above-mentioned unauthorized frequency range cell status, generate downlink signaling, logical
Crossing the step of the above-mentioned above-mentioned downlink signaling of mandate multi-band broadcast, this downlink signaling includes representing that each non-is awarded
Power frequency range community whether can unauthorized frequency range cell status information, and above-mentioned terminal receives above-mentioned
Unauthorized frequency range cell status information, the above-mentioned unauthorized frequency range cell status information received by utilization
In be expressed as the unauthorized frequency range community that can use, receiving the step of data content.
Constitute according to above, by authorizing frequency range sends to include whether representing each unauthorized frequency range community
Available unauthorized frequency range cell status information, at interior downlink signaling, enables the terminals to the most correctly
It is received in available cell, thus improves data transmission efficiency.
Further, constitute, by the base station side flexible configuration to descending unauthorized band channels according to above
With the quick instruction to terminal behavior, it is possible to available situation based on unauthorized frequency range community, fast fast-growing
Become instruction, and receive terminal by dynamic downlink signaling notice, compensate for existing each mechanism small area
The shortcoming that configuration corresponding speed is slow.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the example of the typical scene of the carrier aggregation technology that the present invention is applied.
Fig. 2 is the schematic diagram of another example of the typical scene of the carrier aggregation technology that the present invention is applied.
Fig. 3 is the schematic diagram of the example representing certain unauthorized frequency range.
Fig. 4 is the base station with the unauthorized frequency range district dynamic instruction device that the first embodiment relates to
Internal frame diagram.
Fig. 5 is the schematic diagram of dynamic frequency selection (DFS) mechanism.
Fig. 6 is the schematic diagram of " first listen and send out afterwards " (LBT) mechanism.
Fig. 7 is to represent the terminal service cell status preserved in unauthorized frequency range district dynamic instruction device
The schematic diagram of the example of table.
Fig. 8 is to represent the unauthorized frequency range cellular-like preserved in unauthorized frequency range district dynamic instruction device
The example schematic diagram of state information table.
Fig. 9 is to represent the descending control of conduct sent by down control channel that the first embodiment relates to
The schematic diagram of DCI (descending control signaling) information of information processed.
Figure 10 is the flow chart dynamically indicating unauthorized frequency range cell status that the first embodiment relates to.
Figure 11 is the base station with the unauthorized frequency range district dynamic instruction device that the second embodiment relates to
Internal frame diagram.
Figure 12 be the second embodiment relate to unauthorized frequency range district dynamic instruction device in unauthorized
The flow chart that frequency range cell group processes.
Figure 13 is the flow chart dynamically indicating unauthorized frequency range cell status that the second embodiment relates to.
Figure 14 is the schematic diagram representing concrete example when being suitable for the present invention under carrier aggregation state.
Detailed description of the invention
The present invention can apply the communication system under authorizing the carrier aggregation scene of frequency range and unauthorized frequency range
Among system, below typical scene is introduced.
Fig. 1 is the schematic diagram of the example of the typical scene of the carrier aggregation technology that the present invention is applied.
As described in Figure 1, the communication system under this scene includes base station 101, remote radio unit (RRU)
102-1~1-2-n and terminal 107.
Wherein, base station 101 uses F1 to authorize frequency range carrier wave layer 103-1, and its coverage is defined as one
Individual macrocell.A part in remote radio unit (RRU) 102-1~1-2-n, such as remote radio unit (RRU) 102-1,
102-3 uses F2 to authorize frequency range carrier wave layer 103-2.Owing to remote radio unit (RRU) uses less transmitting merit
Rate, therefore coverage is defined as small-cell.Additionally, another in remote radio unit (RRU) 102-1~1-2-n
A part, such as remote radio unit (RRU) 102-2,102-n use Fn unauthorized frequency range carrier wave layer 104.
Owing to signal propagation characteristics and the transmit power of unauthorized frequency range are limited, use unauthorized frequency range carrier wave layer
The coverage of remote radio unit (RRU) less relative to authorizing for frequency range, its coverage is the most fixed
Justice is small-cell.
Here, on Fn unauthorized frequency range carrier wave layer 104, can give and use same unauthorized frequency range
Different carrier waves is distributed in the small-cell of carrier wave layer, distributes f such as to remote radio unit (RRU) 102-2n1, give
Remote radio unit (RRU) 102-n distributes fn2.If additionally the physical separation of each remote radio unit (RRU) is enough
Far, when will not produce interference mutually, it is also possible to remote radio unit (RRU) 102-2 and remote radio unit (RRU)
Identical carrier wave is distributed in the small-cell of 102-n.Such as, identical carrier wave f can be distributed to themnx。
Additionally, base station 101 and remote radio unit (RRU) 102-1, the back haul link between 102-3 is 105,
For preferable or nonideal backhaul transport.In FIG, F2 is used to authorize frequency range carrier wave layer 103-2
Remote radio unit (RRU) 102-1 with use Fn unauthorized frequency range carrier wave layer 104 remote radio unit (RRU)
102-2 is co-located layered coverage, is preferable back haul link 106 between them.F2 is used to authorize frequency range
The remote radio unit (RRU) 102-3 of carrier wave layer 103-2 is remote with use Fn unauthorized frequency range carrier wave layer 104
End radio frequency unit 102-n is co-located layered coverage, is preferable back haul link 106 between them.
Therefore, being positioned at F1 authorizes frequency range carrier wave layer 103-1, F2 to authorize frequency range carrier wave layer 103-2, Fn
Terminal 107 in the range of unauthorized frequency range carrier wave layer 104 collectively covers can authorize frequency range carrier wave with F1
Carrier wave f in layer 103-111For main plot, with the carrier wave f in Fn unauthorized frequency range carrier wave layer 104n1For
Secondary cell receives downlink data transmission.The composition of this co-located layered coverage so that terminal 107 can
I.e. utilize and authorize frequency range carrier wave layer, also utilize unauthorized frequency range carrier wave layer to carry out the transmitting-receiving of data.Also may be used
To be constituted multiple macrocell and small-cell under the scene of Fig. 1.
Fig. 2 is the schematic diagram of another example of the typical scene of the carrier aggregation technology that the present invention is applied.
Identical reference is given to identical the constituting with Fig. 1.
As described in Figure 2, the communication system under this scene includes base station 101, remote radio unit (RRU)
102-1~1-2-n and terminal 108.
Wherein, base station 101 uses F1 to authorize frequency range carrier wave layer 103-1, and its coverage is defined as one
Individual macrocell.A part in remote radio unit (RRU) 102-1~1-2-n, such as remote radio unit (RRU) 102-1,
102-3 uses F2 unauthorized frequency range carrier wave layer 104-1.Due to unauthorized frequency range signal propagation characteristics and
Transmit power is limited, use unauthorized frequency range carrier wave layer remote radio unit (RRU) coverage relative to
Authorizing for frequency range less, its coverage is defined as small-cell.Remote radio unit (RRU) 102-1~1-2-n
In another part, such as remote radio unit (RRU) 102-2,102-n use Fn unauthorized frequency range carrier wave layer
104-n, its coverage is likewise defined as small-cell.
The carrier wave that the small-cell distribution using same unauthorized frequency range carrier wave layer is different can be given, such as
F is distributed to remote radio unit (RRU) 102-121, distribute f to remote radio unit (RRU) 102-322.When making the two
Interval is enough remote, when will not produce interference mutually, can give the carrier wave that the distribution of the two small-cell is identical.
If additionally the physical separation of each remote radio unit (RRU) is enough remote, when will not produce interference mutually, also
Load identical with the distribution of the small-cell of remote radio unit (RRU) 102-3 for remote radio unit (RRU) 102-1 can be given
Ripple.Such as, identical carrier wave f can be distributed to themnx。
Additionally, base station 101 and remote radio unit (RRU) 102-1, the back haul link between 102-3 is 105,
For preferable or nonideal backhaul transport.In fig. 2, F2 unauthorized frequency range carrier wave layer 104-1 is used
Remote radio unit (RRU) 102-1 with use Fn unauthorized frequency range carrier wave layer 104-n remote radio unit (RRU)
102-2 is co-located layered coverage, is preferable back haul link 106 between them.Use the unauthorized frequency of F2
The remote radio unit (RRU) 102-3 of Duan Zaibo layer 104-1 and use Fn unauthorized frequency range carrier wave layer 104-n
Remote radio unit (RRU) 102-n be co-located layered coverage, be preferable back haul link 106 between them.
Therefore, be positioned at F1 authorize frequency range carrier wave layer 103-1, F2 unauthorized frequency range carrier wave layer 104-1,
Terminal 108 in the range of Fn unauthorized frequency range carrier wave layer 104-n collectively covers can authorize frequency range with F1
Carrier wave f in carrier wave layer 103-111For main plot, with the carrier wave in F2 unauthorized frequency range carrier wave layer 104-1
f21Or/and the carrier wave f in Fn unauthorized frequency range carrier wave layer 104-nn1For secondary cell, receive lower line number
According to transmission.In the scene shown in Fig. 2, there is multiple unauthorized frequency range carrier wave layer, terminal 108 energy
The different channels in multiple unauthorized frequency range is enough utilized to carry out data transmit-receive.In addition it is also possible at Fig. 2
Scene under constitute multiple macrocell and small-cell.
Hereinafter, typical scene based on carrier aggregation technology, for the preferred embodiment of the present invention,
While referring to the drawings while illustrating.Additionally, in each accompanying drawing of different embodiments, same
Symbol represents same or similar part.It addition, each figure for embodiment and promotes that it understands
Schematic diagram, the existence such as its shape, size, ratio and actual device difference, they can consider in light of actual conditions with
Under explanation and known technology and suitably be designed change.
(the first embodiment)
First embodiment relates to a kind of unauthorized frequency range district dynamic applied in a base station instruction device
And corresponding communication system.This unauthorized frequency range district dynamic instruction device can be to unauthorized frequency range
In each channel indicate distribution dynamically.
The relation of so-called unauthorized frequency range and the channel constituted is as shown in Figure 3.
Fig. 3 is the schematic diagram of the example representing certain unauthorized frequency range.Wherein, it is shown that certain is non-awards
Power frequency range 201, in the range of 5.25GHz-5.35GHz, is total to 100MHz bandwidth.By this unauthorized frequency
The channel 202 of 5 20MHz is formed after section 201 Further Divisions.In LTE system, so
A channel be defined as Serving cell (serving cell).Therefore, unauthorized frequency range community is (little
Community) corresponding to constitute unauthorized frequency range each unauthorized band channels, terminal can multiple this
Lower work is covered while planting unauthorized frequency range community.
Such as, in LTE system, single terminal can support that most 5 Serving cells work simultaneously.
If based on existing standard, main plot needs to work in mandate frequency range, and therefore, single terminal is
The channel how can take in 4 unauthorized frequency ranges is operated.
Fig. 4 is the base with the unauthorized frequency range district dynamic instruction device 10 that the first embodiment relates to
Stand 101 internal frame diagram.
The base station 101 that the present invention relates to supports to adjust in real time available channel in unauthorized frequency range.Such as Fig. 4
Shown in, base station 101 has mandate frequency range rf receiver unit 501 in inside, unauthorized frequency range radio frequency connects
Receive unit 502, upstream data signaling demultiplexing unit 503, unauthorized frequency range district dynamic instruction device
10, frequency range rf transmitter unit 506 and unauthorized frequency range rf transmitter unit 507 are authorized.
Frequency range rf receiver unit 501 is authorized to pass through for the terminal received in the community that base station is covered
Frequency range up channel is authorized to send the data to base station 101 and signaling.And by received
Data and signaling carry out the process in terms of a series of signal receptions such as radio frequency processing, base band demodulating and decoding,
Obtain concrete upstream data and signaling information.Concrete signal processing, can be according to the mark of institute's foundation
Accurate and carry out with reference to prior art.
Unauthorized frequency range rf receiver unit 502 in base station 101 is a logic entity, its physics
Entity is i.e. present in base station side, exists in the remote radio unit (RRU) side being configured with unauthorized frequency range carrier wave.
The reception of the different physical entities coming from unauthorized frequency range rf receiver unit 502 is collected in base station 101
As a result, and be uniformly processed.Wherein, one is comprised in unauthorized frequency range rf receiver unit 502
Or multiple unauthorized band channels detection module 5021, each unauthorized band channels detection module 5021
One or more unauthorized band channels perform dynamic frequency selection mechanism (DFS) or first listens and send out afterwards
The function of mechanism (LBT), it is thus achieved that the availability information of channel.
Below to dynamic frequency selection mechanism (DFS) or first listen and send out machine-processed (LBT) afterwards and illustrate.
Fig. 5 is the schematic diagram of dynamic frequency selection (DFS) mechanism.
As it is shown in figure 5, can transmission equipment use unauthorized band channels by requirement in operating specification
Interference controls or avoidance mechanism determines.Need to use the equipment of unauthorized frequency range to possess as main system merit
Rate detection module 301 and the composition part of signal transmitting module 302.Using any unauthorized frequency range
Before channel, main system power detection module 301 needs to initiate the mistake of a channel availability detection 303
Journey, presence or absence based on the pilot signal detection main system signal that main system sends.If main system is led
Frequently signal intensity is less than presetting threshold value, then show that this channel is available channel;Otherwise, then this letter
Road is unavailable channel, system need to wait on unavailable channel can not after the duration of holding time 307,
Just can re-start channel availability detection.
After unauthorized band channels is judged as available channel, signal transmitting module 302 can use
This channel carries out signal and sends 304, and this channel transitions is channel in using;Meanwhile, main system merit
Rate detection module 301 is to detecting 305 during channel uses in using always.If detection finds in Shi Yonging
The existence of main system signal, then channel is transferred to unavailable channel by channel in using.Sender must be at letter
Terminate all of signal in the time span of road migration time 306 to send, and entrance can not holding time
307.Wherein the typical duration of channel availability detection 303 is 60 seconds, can not holding time 307
Typical duration be 30 minutes, the typical duration of channel migration time 306 is 10 seconds.
Fig. 6 is the schematic diagram of " first listen and send out afterwards " (LBT) mechanism.At " first listen and send out afterwards " (LBT)
In mechanism, need to use the equipment of unauthorized frequency range to possess as channel disturbance evaluation module 401 and letter
The composition part of number sending module 402.When using any available unauthorized band channels, channel is done
Disturb evaluation module 401 and need to carry out the process of periodic channel availability detection 403, detect target
The signal of other wireless access systems whether is there is on channel.If detecting on channel, power level is less than
Presetting threshold value, then show not exist on this channel the signal of other wireless access system, and transmission sets
Standby one new anchor-frame cycle 405 of entrance immediately.The anchor-frame cycle 405 is by Channel holding time 404
Form with free time 406.Transmission equipment can freely send signal in Channel holding time 404;
Transmission equipment at one's leisure between can not send 3 signals in 406, and at one's leisure between at the end of carry out under
Periodic channel interference assessment.If detecting on channel, power level is higher than presetting threshold value,
Then showing to exist on this channel the signal of other wireless access system, the equipment that sends is in anchor-frame subsequently
Any signal can not be sent in cycle, and once periodic channel availability inspection on carrying out at the end of it
Survey.
Wherein the typical duration of channel availability detection 403 is 20 microseconds, Channel holding time 404
Being variable, typical duration is 1-10 millisecond, and the length of free time 406 must not be shorter than channel occupancy
The 5% of time.
Due in DFS mechanism can not the typical duration of holding time, base station can use correspondence letter
The Serving cell in road is closed, and by radio resource control layer signaling, by auxiliary from terminal of Serving cell
Cell list removes, and configures Serving cell corresponding to other available channel as newly for these terminals
Secondary cell.
And in LBT mechanism, owing to detecting that the transmission that other wireless access system signal causes is mourned in silence
The typical duration of phase is several milliseconds and arrives several ms, if after channel enters quiet period, and this time length
Can not support that radio resource control layer signaling reconfigures for secondary cell, can not support
MAC signaling carries out activating and de-activated for corresponding secondary cell.Therefore, can use in the present invention
Physical layer controls signaling and quickly indicates.
Returning in the explanation of Fig. 4, unauthorized band channels detection module 5021 utilizes above dynamic frequency
Rate selects mechanism (DFS) or first listens the function of the mechanism sent out afterwards (LBT), it is possible to understand each unauthorized
The community of band channels whether can upstate.
Additionally, the mechanism that unauthorized band channels detection module 5021 is taked is not limited to above mechanism,
Any current mechanism after other standardization can also be used, carry out the community of unauthorized band channels
The detection of upstate.Further, as long as being able to detect that the available of the community of unauthorized band channels
State, is also not limited to employing and is constituted non-awarding by multiple unauthorized band channels detection modules 5021
The structure of power frequency range rf receiver unit 502.
If unauthorized frequency range rf receiver unit 502 is by DFS Function detection depositing to main system signal
, then report information to unauthorized frequency range district dynamic instruction device 10, in order to perform secondary cell row
Reconfiguring of table.
If unauthorized frequency range rf receiver unit 502 is wireless by other to channel by LBT Function detection
Access system takies, then equally information reporting to unauthorized frequency range district dynamic is indicated device 10, uses
In indicating, this channel is unavailable.
Wherein, base station 101 for the most remote remote radio unit (RRU) of two physical separation, as it has been described above,
The community of same unauthorized band channels can be used, according to the channel detection module that they are independent
The result of 5021, updates respective upstate information.
If additionally, system support sends upward signal, the most unauthorized frequency range radio frequency in unauthorized frequency range
The terminal that reception unit 502 is additionally operable to receive in community is sent to base by unauthorized frequency range up channel
Stand 101 data and signaling, received data and signaling are carried out radio frequency processing, base band demodulating
Deng with a series of signal receptions such as decoding in terms of process, it is thus achieved that concrete upstream data and signaling information.
Upstream data signaling demultiplexing unit 503 is for separating upstream data with up signaling information.
Described upstream data is divided into again data and radio resource control layer signaling, and the former delivers to core net, the latter
As the reporting informations such as received signal strength deliver to unauthorized frequency range district dynamic instruction device 10.On described
Row signaling information includes repeat requests ACK/NACK, channel-quality feedback CQI etc., is sent to non-awarding
Power frequency range district dynamic instruction device 10, assistant base station 101 carries out scheduling of resource.
Authorize frequency range rf transmitter unit 506 for sending the signal authorized on band channels.
Unauthorized frequency range rf transmitter unit 507 is for sending the signal on unauthorized band channels.
Additionally, unauthorized frequency range district dynamic instruction device 10 is the nucleus module of the present invention, it is possible to and
Time understand the upstate of unauthorized band channels corresponding to unauthorized frequency range community, and to unauthorized
Frequency range community indicates dynamically.
Specifically, unauthorized frequency range district dynamic instruction device 10 includes terminal service cell configuration portion
5041, unauthorized band channels judgment unit 5042, preserve terminal service cell status information table 5044
Process single with the rm-cell of unauthorized frequency range cell status information table 5045 and downstream signal
Unit 505.
Wherein, terminal service cell configuration portion 5041, to each terminal in each cell coverage area, joins
Put the mandate frequency range community corresponding with authorizing frequency range and each the unauthorized frequency with the unauthorized frequency range of composition
The unauthorized frequency range community that Duan Xindao is corresponding.
In the present embodiment, terminal service cell configuration portion 5041 is by terminal service cell status
Information table 5044 configures, and the secondary cell list to the carrier aggregation function that terminal uses is joined
Put.Specifically, the received signal strength each frequency reported by base station 101 collection terminal,
Select suitable channel configuration to terminal.Particularly, when secondary cell is positioned in unauthorized frequency range, at DFS
In mechanism, collect channel availability information from unauthorized frequency range rf receiver unit 502, by unavailable
Channel removes from the secondary cell list of terminal, and is that new available letter is added in the secondary cell list of terminal
Road.Thus, terminal service cell status information table 5044 and unauthorized frequency range community are semi-statically updated
Status information table 5045.Terminal service cell status information table 5044 and unauthorized frequency range cell status letter
Breath table 5045 describes in detail below.
Additionally, terminal service cell configuration portion 5041 can to the principle of each terminal configuration services community
According to information such as received signal strengths, carry out with reference to existing various standards.According to different receptions
Requirement, the suitable channel selecting and requiring to match.
About unauthorized band channels judgment unit 5042, when unauthorized frequency range rf receiver unit 502 is examined
Measure channel when being taken by other wireless access systems, information reporting to unauthorized band channels is adjudicated
Portion 5042.Unauthorized band channels judgment unit 5042 is by the situation according to interference, it may be judged whether make this little
Mourn in silence in district.And the most dynamically renewal terminal service cell status information table 5044 and unauthorized frequency range are little
Zone state information table 5045.
Wherein, terminal service cell configuration portion 5041 is equivalent to " dispensing unit ", and unauthorized frequency range is believed
Road judgment unit 5042 is equivalent to " updating block ".In addition it is also possible to as required, omit unauthorized
Band channels judgment unit 5042.
Terminal service cell configuration portion 5041 is equivalent to radio resource control layer, is used for producing and storing nothing
The information of transmission on line Resource Control Layer link.Described radio resource control layer link refers in communication system
In system, it is positioned at the radio resource control layer function on physical layer and data link layer according to hierarchical mode
The virtual logical communications links set up between entity, configures physical layer communication mode.
Concrete management is by configurating terminal Serving cell status information table 5044 and unauthorized frequency range community
Status information table 5045 realizes.
Below to terminal service cell status information table 5044 and unauthorized frequency range cell status information table
5045 illustrate.
Terminal service cell status information table 5044 is semi-static by terminal service cell configuration module 5041
Ground updates, unauthorized band channels judging module 5042 be dynamically updated.
Fig. 7 is the schematic diagram representing terminal service cell status information table 5044.As it is shown in fig. 7, eventually
End Serving cell status information table 5044 describes base station 101 managed in the form of a list each
The status information of community (including authorizing band channels and unauthorized band channels).
Wherein, the project in terminal service cell status information table 5044 includes: Serving cell identification number
50441, physical district ID 50442, community descending carrier mid frequency (dl-Freq) 50443 with
And unauthorized Cell Identity CI (Unlicensed Cell ID) 50444.
Serving cell identification number 50441 is the identifier being identified Serving cell in service layer.
Here Serving cell refers to authorize frequency range community or unauthorized frequency range community.In the present embodiment,
The Serving cell identification number 50441 of main Serving cell is fixed as 0, the Serving cell mark of auxiliary serving cell
Numbers 50441 start sequence according to the priority of configuration from 1.Further, auxiliary serving cell identification number
Maximum occurrences scope is 7.According to current standard definition, 4 secondary cells at most can only be had to be in simultaneously
State of activation.
Physical district ID 50442 is the physical district ID corresponding to Serving cell.It it is the physical layer of community
Mark.
The descending carrier mid frequency (dl-Freq) 50443 of community has been recorded under corresponding with service community
Row centre carrier frequency.
Unauthorized Cell Identity CI (Unlicensed Cell ID) 50444 is individually to compile unauthorized community
Number identification number.When certain unauthorized cell configuration is certain UE (user terminal) by base station 101
During secondary cell, in addition to being sent the secondary cell of its correspondence by RRC information and numbering (SCellIndex),
Also the call number of this community should be sent to UE.UE can preserve these information, belongs in order to obtain
The available cell status information of oneself.
Two row before in terminal service cell status information table 5044, have used corresponding service little
District uses and authorizes frequency range carrier wave, the most unauthorized Cell Identity CI (Unlicensed Cell ID) 50444
In be N/A (not available).
Fig. 8 is the schematic diagram representing unauthorized frequency range cell status information table 5045.As shown in Figure 8,
Unauthorized frequency range cell status information table 5045 describes each unauthorized frequency range in the form of a list little
The upstate information in district.
Further, unauthorized frequency range cell status information table 5045 is by unauthorized frequency range cell group module
5042 are semi-statically configured, unauthorized band channels judging module 5042 be dynamically updated.
Wherein, the project in unauthorized frequency range cell status information table 5045 includes: unauthorized community is marked
Know numbers 50451, physical district ID 50452, descending carrier mid frequency (dl-Freq) 50453, non-
The ID of the user terminal that the upstate 50454 of mandate CC and this unauthorized frequency range community are serviced
(UE ID)50455。
Unauthorized Cell Identity CI 50451 is that all of unauthorized frequency range community is compiled by base station 101
Number identification number.Base station is responsible for being managed collectively, configures, is distributed these resources.Should be noted that
Be, when the identical downstream frequency/channel of different cell configuration is given in base station (the community F in such as table and
G, is configured with identical descending carrier fu3), owing to the two community carries out independent channel availability inspection
Survey, there is independent channel upstate.Need the UC_ID differently configured to them.
The physical layer identifications of physical district ID 50452 Shi Shi community.
Descending carrier mid frequency (dl-Freq) 50453 has been recorded the descending of corresponding unauthorized community
Centre carrier frequency.
The upstate 50454 of unauthorized CC represents the upstate of corresponding unauthorized community.?
In present embodiment, if value " 1 " represents that corresponding unauthorized community is in upstate, if value " 0 "
The unauthorized community representing corresponding is in down state.Can certainly be that other values distinguish correspondence
Upstate and down state.
UE ID504555 represents the identifier of the user terminal that corresponding unauthorized community can service.
Wherein, certain unauthorized frequency range community can be allocated to multiple UE, multiple unauthorized frequencies as secondary cell
Duan little Qu can also carry out carrier aggregation, serves same UE.
Unauthorized frequency range district dynamic instruction device 10 passes through semi-static or is dynamically updated described above
Terminal service cell status information table 5044 and unauthorized frequency range cell status information table 5045, it is possible to dynamic
The management of state ground represents the unauthorized frequency range cell status management information of the state of unauthorized frequency range community.
Additionally, unauthorized frequency range cell status management information is also not limited to above form, only
If can preserve in rm-cell and the form of dynamic tracking, and form is concrete
Form is also not limited to the composition shown in Fig. 7, Fig. 8.
Return in the explanation of Fig. 4, the descending letter that unauthorized frequency range district dynamic instruction device 10 is had
Number processing unit 505 has control information-generation module 5051, PDCCH generation module 5052, number
It is believed that information signal generation module 5053 and PDSCH generation module 5054.
This control information-generation module 5051 utilizes schedule information to generate descending control according to the form of regulation
Information.Described Downlink Control Information is used for indicating terminal receives data in which community.This descending control
Information is equivalent to " downlink signaling ", at least include representing each unauthorized frequency range community whether can non-
Authorize frequency range cell status information.
Fig. 9 shows an example of the DCI information as Downlink Control Information.In present embodiment
In, in order to support that the availability of dynamic unauthorized frequency range community indicates, Downlink Control Information is defined as
New DCI (Downlink Control Information: descending control signaling) form.
As it is shown in figure 9, Downlink Control Information includes: unauthorized frequency range community upstate information 601,
Other control information 602, filling bit 603 and CRC check bit 604.
Unauthorized frequency range community upstate information 601 represents whether each unauthorized frequency range community can be used
Status information.In the present embodiment, unauthorized frequency range community upstate information 601 is one
A length of 1~the Bit String of N-bit.N is the number of the unauthorized frequency range community that base station has.Bit
Content be from left to right followed successively by according to each unauthorized frequency range community in a base station UC_ID order row
Each unauthorized frequency range community of row whether can status information.Wherein, if value " 1 " represents correspondence
Unauthorized community be in upstate, if value " 0 " represents that corresponding unauthorized community is in unavailable
State.
Other control information 602 set as the redundant of unauthorized frequency range community upstate information 601
Put, for unauthorized frequency range community upstate information 601 is supplemented.
The limited amount of the unauthorized frequency range community such as having in base station 101, in order to continue to use mark at present
Certainly length M of the DCI format of justice, it may be considered that share a DCI with other control information 602
Form..
Filling bit 603 is the bit of some redundancies, for making DCI format reach the length specified.
CRC check bit 604 is that Downlink Control Information passes through cyclic redundancy check (CRC) (Cyclic
Redundancy Check, CRC) check bit that produces, and reflected by specific wireless network temporarily
Determine after CRC check bit scrambles by RNTI, the bit sequence encoded modulation of generation and generate
Symbol stream.
After control information-generation module 5051 generates Downlink Control Information, PDCCH generation module
The Downlink Control Information symbol stream of generation is mapped to suitable running time-frequency resource by 5052, in conjunction with reference signal,
Generate OFDM modulation symbol, thus by authorizing frequency range radio frequency transmitting element 506 to control letter by descending
Breath broadcasts to the user terminal in all communities.
Additionally, data information signal generation module 5053 is for by the bit information of downlink transmission data block
Flow the MCS modulation according to selecting and generate the modulation that symbol will be generated by PDSCH generation module 5054 again
Symbol maps to the running time-frequency resource of distribution, in conjunction with reference signal, generates OFDM modulation symbol, thus
By descending transmission data block by authorizing frequency range radio frequency transmitting element 506 or unauthorized frequency range radio frequency to send out
Penetrate unit 507 and be sent to corresponding user terminal.
Wherein, control information-generation module 5051 and PDCCH generation module 5052 to be respectively equivalent to
" downlink signaling generation unit " and " downlink signaling transmitting element ".
The motion flow of unauthorized frequency range district dynamic addressed below instruction device 10.
Figure 10 is the flow chart dynamically indicating unauthorized frequency range cell status that the first embodiment relates to.
First, in step S1001, the configuration of terminal service cell configuration portion 5041 and mandate frequency range pair
The mandate frequency range community answered and corresponding with each the unauthorized band channels constituting unauthorized frequency range non-
Authorize frequency range community.The most semi-statically UE is carried out secondary cell based on unauthorized frequency range configuration.
When base station 101 is to support to authorize the UE of frequency range and unauthorized frequency range carrier aggregation to service, UE
Can periodically or non-periodically send to base station 101 signal measurement report, comprise measure arrive same frequency,
Alien frequencies carrier signal quality information.When alien frequencies carrier wave belongs to unauthorized frequency range, and its signal quality exceedes certain
Thresholding, then base station can be configured to this carrier wave the secondary cell of UE.
Thus, terminal service cell configuration portion 5041 semi-statically updates terminal service cell status information
Table 5044, and by configuring message (RRC CONNECTION RECONFIGURATION)
It is allocated to UE.
In existing LTE standard, be configured with the UE of CA and 1 main plot and at most 4 auxiliary
Community is connected.It is believed that in the case of existing standard is changed minimum, award when main plot uses
During power frequency range carrier wave, at most can configure and activate 4 unauthorized frequency range communities.Main plot and auxiliary little
District is all the Serving cell of this UE, and there is a corresponding index each community in UE side, is defined as
“ServCellIndex”.The index of main plot is fixed as 0, and the index " ScellIndex " of secondary cell is
Issue UE's by RRC signaling.
Specific implementation can be, in RRC information RRCConnectionReconfiguration
ScellToAddMod part, add field UCIndex, as this unauthorized frequency range community at base
Unique mark in standing.The UCIndex separate configurations of different base station.
The secondary cell quantity of the present invention is also not limited to 4, under other standards, it is possible to according to the rules
Standard carries out the configuration of other quantity.Further, this standard is also not limited to LTE standard.
Then, in step S1002, unauthorized band channels judgment unit 5042 is each unauthorized to comprise
The community of frequency range, carries out CCA (Clear Channel Assessment) detection according to the mechanism of Fig. 6.
The channel disturbance evaluation module 401 of base station 101 needs to carry out periodic channel availability detection 403
Process, whether detection destination channel exists the signal of other wireless access systems.If detecting on channel
To power level less than presetting threshold value, then show not exist on this channel other wireless access system
Signal, transmission equipment can freely send signal in Channel holding time;If detecting on channel
Power level is higher than presetting threshold value, then show to exist on this channel the letter of other wireless access system
Number, transmission equipment can not send any signal within the anchor-frame cycle subsequently, and enters at the end of it
The row detection of periodic channel availability next time.
Then, in step S1003, according to the testing result of the CCA of step S1002, unauthorized frequency
Section channel judging portion 5042 updates terminal service cell status information table 5044 and unauthorized frequency range community
Status information table 5045.
Then, in step S1004, information-generation module 5051 and PDCCH generation module 5052 is controlled
Generate unified PDCCH information, and scramble CRC with the UB-RNTI of new definition.This implementation
The PDCCH of lower generation can be mapped to the public search space of main plot, and UE uses UB-RNTI
Carry out blind Detecting.
Thus, terminal can be according to the unauthorized frequency range letter given the correct time in received Downlink Control Information
Community corresponding to road whether can status information, in the information that more new terminal keeps, and foundation
This status information, utilize can unauthorized band information receive data message.
Constituted by above, by authorizing frequency range sends to include whether representing each unauthorized frequency range community
Available unauthorized frequency range cell status information, at interior downlink signaling, enables the terminals to the most correctly
It is received in available cell, thus improves data transmission efficiency.
Further, constitute, by the base station side flexible configuration to descending unauthorized band channels according to above
With the quick instruction to terminal behavior, it is possible to available situation based on unauthorized frequency range community, fast fast-growing
Become instruction, and receive terminal by dynamic downlink signaling notice, compensate for existing each mechanism small area
The shortcoming that configuration corresponding speed is slow.
(the second embodiment)
The composition difference of second embodiment of the present invention is, on the basis of the first embodiment,
Also there is unauthorized frequency range cell group portion, therefore, detailed description omitted for identical composition,
The difference compared only for the first embodiment is described in detail.
Additionally, give identical reference for identical parts, and the repetitive description thereof will be omitted.
Figure 11 is to have unauthorized frequency range district dynamic instruction device 10 ' that the second embodiment relates to
The internal frame diagram of base station 101.
As shown in figure 11, ' also there is unauthorized frequency at this unauthorized frequency range district dynamic instruction device 10
Section cell group portion 5043, this unauthorized frequency range cell group portion 5043 can be by unauthorized frequency range community
It is divided into multiple groups.
In present embodiment, according to unauthorized number of cells whether unauthorized frequency range cell group portion 5043
Less than or equal to DCI format length M of standard definition, judge whether to need unauthorized frequency range community
It is divided into multiple groups.When unauthorized number of cells is more than DCI format length M of standard definition, will be many
Individual unauthorized frequency range is little divides into multiple groups.
Further, in the case of packet, base station 101 configures multiple unauthorized frequency range cell status letter
Breath table 2045.Each unauthorized frequency range cell status information table 2045 is corresponding to a packet.
Additionally, in the case of packet, control information-generation module 5051 and generate respectively according to each group
The Downlink Control Information of each group.The form of this Downlink Control Information is as shown in Figure 9.Wherein, each group
Unauthorized frequency range community upstate information 601 be one a length of 1~the Bit String of Ni bit.Ni
Number of cells for the unauthorized frequency range of group i.The content of bit is from left to right followed successively by group each non-of i and awards
The upstate of power frequency range community UC_ID in group each unauthorized frequency range community tactic.
If value " 1 " represents that corresponding unauthorized community is in upstate, if value " 0 " represents the non-of correspondence
Community is authorized to be in down state (mourning in silence).
In the case of packet, when Ni is less than length M of the DCI format of current standard definition, can
To consider to share a DCI format with other control information 602.
Figure 12 be the second embodiment relate to unauthorized frequency range district dynamic instruction device in unauthorized
The flow chart that frequency range cell group processes.
As shown in figure 12, in step S1201, unauthorized frequency range cell group portion 5043 judges base station
DCI format length M whether 101 unauthorized frequency range number of cells configured define more than standard.
In the case of unauthorized frequency range number of cells is not more than DCI format length M of standard definition
(step S1201 is "No"), the number of cells of the unauthorized frequency range that expression base station has is limited, non-
Frequency range community upstate information is authorized can be once sent to whole UE.Therefore, step is entered
S1202, flow process as shown in Figure 10 carries out unified UB-RNTI (Unlicensed like that
Band-RNTI) configuration, the control information for physical layer scrambles.
Such as, along with the upgrading disposed, especially for some, there is the super base station of cloud computing function,
The unauthorized frequency range number of cells of configuration may be the most, thus big at unauthorized frequency range number of cells
In the case of DCI format length M of standard definition (step S1201 is "Yes"), represent non-
Authorize the length of frequency range community upstate information not by the state of all unauthorized frequency range communities
Information is once sent to whole UE, therefore, enters step S1204, unauthorized frequency range cell group
Multiple unauthorized frequency range communities are grouped by portion 5043, and each is respectively configured unauthorized frequency
Section cell status information table 5045.UC_ID 50451 represents the numbering in this community group corresponding to it.
It is to say, the unauthorized Cell Identity CI 50451 shown in Fig. 8 is unauthorized in same group
Frequency range community is numbered and distributes.
Then, in step S1205, for one UG-RNTI (Unlicensed of each packet configuration
Group-RNTI), the control information for physical layer scrambles, and produces the descending control letter of each group respectively
Breath.
In this second embodiment, unauthorized frequency range cell group portion 5043 may not be and dynamically carries out
The judgement whether being grouped in Figure 12, and in specified period, only carry out the variation being grouped.Including
The unauthorized frequency range district dynamic instruction device 10 in unauthorized frequency range cell group portion 5043 ' carries out action
Time, need to judge whether to be grouped phenomenon.Following description is carried out under the composition of the second embodiment
Dynamically indicate the flow process of unauthorized frequency range cell status.
Figure 13 is the flow chart dynamically indicating unauthorized frequency range cell status that the second embodiment relates to.
First, in step S1301, the configuration of terminal service cell configuration portion 5041 and mandate frequency range pair
The mandate frequency range community answered and corresponding with each the unauthorized band channels constituting unauthorized frequency range non-
Authorize frequency range community.The most semi-statically UE is carried out secondary cell based on unauthorized frequency range configuration.
Then, in step S13202, unauthorized band channels judgment unit 5042 each non-is awarded comprise
The community of power frequency range, carries out CCA (Clear Channel Assessment) inspection according to the mechanism of Fig. 6
Survey.The channel disturbance evaluation module 401 of base station 101 needs to carry out periodic channel availability detection
403 processes, whether detection destination channel exists the signal of other wireless access systems.If examining on channel
Measure power level and be less than presetting threshold value, then show on this channel, to there is not other wireless access system
The signal of system, transmission equipment can freely send signal in Channel holding time;If detecting on channel
To power level higher than presetting threshold value, then show to there is other wireless access system on this channel
Signal, transmission equipment can not send any signal within the anchor-frame cycle subsequently, and at the end of it
Carry out periodic channel availability detection next time.
Then, in step S1303, according to the configuration result of unauthorized frequency range cell group module 5042,
Judge whether unauthorized frequency range community is grouped.When not being grouped (step S1303 is "No"),
Terminal service cell configuration portion 5041 and unauthorized band channels judgment unit 5042 update same non-award
Power cell status information table (step S1304), and generate unified PDCCH information, with new definition
UB-RNTI scrambling CRC (step S1305).The PDCCH generated under this implementation is permissible
Being mapped to the public search space of main plot, UE uses UB-RNTI to carry out blind Detecting.
When having been carried out packet, (step S1303 is "Yes"), terminal service cell configuration portion
5041 and unauthorized band channels judgment unit 5042 update each packet multiple unauthorized cell status letter
Breath table 5045 (step S1306).
Then, in step S1307, information-generation module 5051 and PDCCH generation module 5052 is controlled
Base station generates PDCCH information for each packet.The each group of UG-RNTI scrambling using new definition
CRC.The PDCCH generated under this implementation can be mapped to the public search space of main plot
(utilizing the broadcast transmission authorizing frequency range), the UE being in different group uses the UG-RNTI of difference group
Carry out blind Detecting.
Constituted by above, be capable of the technique effect of the first embodiment too.
Further, by unauthorized frequency range community is grouped, status information is carried out according to each packet
Renewal and the generation of downlink signaling and transmission, it is possible to greatly widen accessible unauthorized frequency range
The quantity of community, makes up the problem that when downlink signaling sends, length is inadequate, thus enables the terminals to quickly
Correctly it is received in available cell, improves data transmission efficiency further.
(embodiment)
Figure 14 is the schematic diagram representing concrete example when being suitable for the present invention under carrier aggregation state.
Wherein, " the community upstate " of base station illustrates the unauthorized of the Downlink Control Information in Fig. 9
Frequency range community upstate information 601.When not being grouped, this information is all unauthorized frequencies in base station
The upstate information of Duan little Qu.When having carried out packet, this information is packet belonging to UE Serving cell
Community upstate information.From the point of view of UE, simply according to the RNTI (UB_RNTI of configuration
Or UG_RNTI) go blind Detecting, find one's own DCI information.This DCI information
It is base station whole unauthorized frequency range community upstate information or grouping information, is the letter of which packet
Breath, from the point of view of UE, can be transparent.
Assume that UE1 Serving cell state table is as shown in table 1.It is configured with 1 main plot authorizing frequency range
A and 1 secondary cell B authorizing frequency range, secondary cell C of 2 unauthorized frequency ranges and E.
(table 1)
Assume that UE2 Serving cell state table is as shown in table 2.It is configured with 1 main plot authorizing frequency range
B and secondary cell E of 4 unauthorized frequency ranges, D, C and M.
After receiving unauthorized frequency range community upstate information 601, UE1 is first according to configuration
To the service cell information of oneself, obtaining unauthorized frequency range secondary cell ID is 2 and 3, corresponding UC_ID
For U_2 and U_0.The RNTI configured by rrc layer carries out blind Detecting, and UE1 has obtained base station
Unauthorized frequency range community upstate information.By reading the information at U_2 and U_0, draw correspondence
Channel status in secondary cell ID 2 and 3 is 0 (unavailable) and 1 (can use).
Therefore, UE1, in this subframe, only receives data in secondary cell 3.
In like manner, UE2 is first according to be allocated to the service cell information of oneself, obtains unauthorized frequency range auxiliary
Community ID is 1,2,3,4.Corresponding UC_ID is U_1, U_0, U_2, U_K.Pass through
The RNTI of rrc layer configuration carries out blind Detecting, and UE2 has obtained the unauthorized band channels of base station and can use
Status information.By reading U_1, the information at U_0, U_2, U_N-1, draw corresponding to auxiliary little
The channel status of district ID 1,2,3,4 is respectively 0 (unavailable), 1 (can use), 0 (unavailable),
1 (can use).Therefore, UE2 is in this subframe, and only in secondary cell 2,4 receive data.
(variation)
In this second embodiment, according to unauthorized number of cells whether unauthorized frequency range cell group portion
Packet is decided whether less than or equal to DCI format length M of standard definition.But, unauthorized frequency range
Cell group portion is not limited in deciding whether packet according to DCI format length M, it is also possible to non-
The quantity authorizing frequency range community exceed represent downlink signaling maximum can the threshold value of quantity forwarded time, award non-
Frequency range is little is distinguished into multiple groups for power.
Further, in Figure 12 dynamically judge whether packet step it is not necessary to, scale is compared
Big system, in order to adapt to the increase etc. of unauthorized band channels, it is possible to so that unauthorized frequency range community
When packet portion is normal, multiple unauthorized frequency range communities are grouped, and omit the step judging whether packet.
Additionally, in each embodiment above, unauthorized frequency range district dynamic instruction device is arranged on
The inside of base station.But, unauthorized frequency range district dynamic instruction device can also external as base station
Equipment is operated, as long as be capable of each function of unauthorized frequency range district dynamic instruction device,
The position that arranges of its reality does not limit.
Several embodiments of the invention is illustrated, but these embodiments be as an example and
Prompting, it is not intended that limit the scope of invention.These new embodiments can be with other various sides
Formula is implemented, and can carry out various omission, replaces, changes in the range of the purport without departing from invention.
These embodiments, its deformation are contained in the scope of invention, purport, and are contained in claim
In the range of described invention and equivalent thereof.
Claims (11)
1. a unauthorized frequency range district dynamic instruction device, it is characterised in that possess:
Dispensing unit, the mandate frequency range community corresponding with authorizing frequency range to the configuration of each terminal and and structure
Become the unauthorized frequency range community that each unauthorized band channels of unauthorized frequency range is corresponding;
Rm-cell, management represents the unauthorized frequency range cellular-like of the state of unauthorized frequency range community
State management information;
Downlink signaling generation unit, manages information according to above-mentioned unauthorized frequency range cell status, under generation
Row signaling, this downlink signaling include representing each unauthorized frequency range community whether can unauthorized frequency range
Cell status information;And
Downlink signaling transmitting element, by the above-mentioned above-mentioned downlink signaling of mandate multi-band broadcast.
Unauthorized frequency range district dynamic the most according to claim 1 instruction device, it is characterised in that
This unauthorized frequency range district dynamic instruction device is applied in base station.
Unauthorized frequency range district dynamic the most according to claim 1 instruction device, it is characterised in that
Also there is unauthorized frequency range cell group unit, be distinguished into multiple groups by little for unauthorized frequency range,
Above-mentioned Downlink Control Information generation unit is divided according to above-mentioned unauthorized frequency range cell group unit
Each group, generate respectively each packet downlink signaling, this each packet downlink signaling include table
Show each the unauthorized frequency range community in this group whether can packet unauthorized frequency range cell status letter
Breath,
Above-mentioned downlink signaling transmitting element is by authorizing the downlink signaling of multi-band broadcast each packet above-mentioned.
Unauthorized frequency range district dynamic the most according to claim 3 instruction device, it is characterised in that
It is descending that the above-mentioned unauthorized frequency range cell group unit quantity in unauthorized frequency range community exceedes expression
Signaling maximum can the threshold value of quantity forwarded time, be distinguished into multiple groups by little for unauthorized frequency range.
Unauthorized frequency range district dynamic the most according to claim 1 instruction device, it is characterised in that
Also there is updating block, update above-mentioned unauthorized frequency range cell status management information in real time,
When above-mentioned unauthorized frequency range cell status management information is updated, above-mentioned downlink signaling produces single
Unit generate above-mentioned downlink signaling, and by above-mentioned downlink signaling transmitting element real-time broadcast generated upper
State downlink signaling.
6. a unauthorized frequency range district dynamic indicating means, it is characterised in that including:
Configuration step, the mandate frequency range community corresponding with authorizing frequency range to the configuration of each terminal and and structure
Become the unauthorized frequency range community that each unauthorized band channels of unauthorized frequency range is corresponding;
Resource management's step, management represents the unauthorized frequency range cellular-like of the state of unauthorized frequency range community
State management information;
Downlink signaling produces step, manages information according to above-mentioned unauthorized frequency range cell status, under generation
Row signaling, this downlink signaling include representing each unauthorized frequency range community whether can unauthorized frequency range
Cell status information;And
Downlink signaling forwarding step, by the above-mentioned above-mentioned downlink signaling of mandate multi-band broadcast.
Unauthorized frequency range district dynamic indicating means the most according to claim 1, it is characterised in that
Also include unauthorized frequency range cell group step, be distinguished into multiple groups by little for unauthorized frequency range,
In above-mentioned Downlink Control Information produces step, according to each group divided, generate each respectively
The downlink signaling of individual packet, the downlink signaling of this each packet includes representing that each in this group is unauthorized
Frequency range community whether can packet unauthorized frequency range cell status information,
In above-mentioned downlink signaling forwarding step, by authorizing the descending of multi-band broadcast each packet above-mentioned
Signaling.
Unauthorized frequency range district dynamic indicating means the most according to claim 7, it is characterised in that
In above-mentioned unauthorized frequency range cell group step, the quantity in unauthorized frequency range community exceedes table
Show downlink signaling maximum can the threshold value of quantity forwarded time, be distinguished into multiple groups by little for unauthorized frequency range.
Unauthorized frequency range district dynamic indicating means the most according to claim 6, it is characterised in that
Also there is renewal step, update above-mentioned unauthorized frequency range cell status management information in real time,
When above-mentioned unauthorized frequency range cell status management information is updated, produce at above-mentioned downlink signaling
Step generates above-mentioned downlink signaling, and is generated by above-mentioned downlink signaling forwarding step real-time broadcast
Above-mentioned downlink signaling.
10. the communication system under a carrier aggregation state, it is characterised in that possess:
Base station, configures the mandate frequency range community corresponding with authorizing frequency range to each terminal in coverage
And the unauthorized frequency range community corresponding with each the unauthorized band channels constituting unauthorized frequency range, pipe
The unauthorized frequency range cell status management information of the state of the unauthorized frequency range community of reason expression, and according to
Above-mentioned unauthorized frequency range cell status management information, generates downlink signaling, wide by above-mentioned mandate frequency range
Broadcast above-mentioned downlink signaling, this downlink signaling include representing each unauthorized frequency range community whether can non-
Authorize frequency range cell status information, and
Terminal, receives above-mentioned unauthorized frequency range cell status information, and above-mentioned non-received by utilization is awarded
Power frequency range cell status information is expressed as the unauthorized frequency range community that can use, receives data content.
Communication means under 11. 1 kinds of carrier aggregation states, it is characterised in that including:
Base station each terminal in coverage is configured with mandate frequency range community corresponding to mandate frequency range with
And the step of the unauthorized frequency range community corresponding with each the unauthorized band channels constituting unauthorized frequency range
Suddenly,
BTS management represents the unauthorized frequency range cell status management letter of the state of unauthorized frequency range community
Breath, and manage information according to above-mentioned unauthorized frequency range cell status, generate downlink signaling, by upper
Stating the step authorizing the above-mentioned downlink signaling of multi-band broadcast, this downlink signaling includes representing each unauthorized frequency
Duan little Qu whether can unauthorized frequency range cell status information, and
Above-mentioned terminal receives above-mentioned unauthorized frequency range cell status information, above-mentioned non-received by utilization
Authorize the unauthorized frequency range community being expressed as can use in frequency range cell status information, receive data content
Step.
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