CN107306454A - User equipment and uplink data transmission method, base station and uplink dispatch method - Google Patents
User equipment and uplink data transmission method, base station and uplink dispatch method Download PDFInfo
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- CN107306454A CN107306454A CN201610255936.8A CN201610255936A CN107306454A CN 107306454 A CN107306454 A CN 107306454A CN 201610255936 A CN201610255936 A CN 201610255936A CN 107306454 A CN107306454 A CN 107306454A
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- uplink
- uplink scheduling
- scheduling parameter
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
User equipment and uplink data transmission method, base station and uplink dispatch method, the uplink data transmission method include：Receive the uplink scheduling parameter configuration of base station transmission and store, the uplink scheduling parameter configuration includes the information by used configuration parameter during unlicensed frequencies resource progress transmitting uplink data；When listening to workable unlicensed frequencies resource, using the uplink scheduling parameter configuration, transmitting uplink data is carried out by the workable unlicensed frequencies resource.Above-mentioned scheme can allow number of users equipment to use unlicensed frequencies resource to carry out transmitting uplink data, improve the utilization rate of Radio Resource.
Description
Technical field
The present invention relates to wireless communication technology, more particularly to a kind of user equipment and uplink data transmission method,
Base station and uplink dispatch method.
Background technology
Long Term Evolution (Long Term Evolution, LTE), is by third generation partner program (The
3rd Generation Partnership Project, 3GPP) UMTS organized to set up
The Long Term Evolution of (Universal Mobile Telecommunications System, UMTS) technical standard,
Formally set up the project and start in the meeting of 3GPP Toronto in December, 2004.LTE system introduces orthogonal
Frequency division multiplexing (Orthogonal Frequency Division Multiplexing, OFDM) and multi input are more
Key technologies such as (Multi-Input＆Multi-Output, MIMO) is exported, frequency spectrum effect is significantly increased
Rate and message transmission rate, and support various bandwidth to distribute：1.4MHz, 3MHz, 5MHz, 10MHz,
15MHz and 20MHz etc., and support global main flow 2G/3G frequency ranges and some newly-increased frequency ranges, thus frequency
Spectrum distribution is more flexible, and power system capacity and covering are also obviously improved.The LTE system network architecture is more flat
Change and simplify, reduce network node and system complexity, so as to reduce Time Delay of Systems, also reduce
Network design and maintenance cost.LTE system is supported to interoperate with other 3GPP systems.
In the prior art, LTE system can use mandate (licensed) frequency resource to carry out data transmission,
But authorize frequency resource very rare, therefore operator starts consideration and made full use of unauthorized (unlicensed)
The frequency resource of frequency resource, such as 5GHz carries out data transmission.Before using 5GHz frequency resources,
User equipment (UE) is needed using listen-before-talk or listem-before-talk (Listen Before Talk, LBT)
Whether mechanism, monitoring has other users equipment such as WLAN to use unlicensed frequencies resource, if letter
Road hurries, then needs to wait；If channel idle, a period of time can be used, is such as at most made in Japan
With 4ms unlicensed frequencies resource.When this is using completing, user equipment needs release, and this is unauthorized
Frequency resource, then monitors the right to use for obtaining unlicensed frequencies resource next time again.
User equipment can also carry out transmitting uplink data using unlicensed frequencies resource, however, it is desirable to logical
Crossing the dispatching party of base station can be carried out, thus cause UE because listem-before-talk mechanism can not be used and obtained substantially
The right to use of frequency, so that the problem of there is waste Radio Resource.
The content of the invention
Present invention solves the technical problem that being how to realize that user equipment is successfully entered using unlicensed frequencies resource
Row transmitting uplink data, improves the utilization rate of Radio Resource.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of uplink data transmission method, including：
Receive the uplink scheduling parameter configuration of base station transmission and store, the uplink scheduling parameter configuration
Including the information by used configuration parameter during unlicensed frequencies resource progress transmitting uplink data；When
When listening to workable unlicensed frequencies resource, using the uplink scheduling parameter configuration, pass through
The workable unlicensed frequencies resource carries out transmitting uplink data.
Alternatively, it is described to listen to workable unlicensed frequencies resource, including：Detect described non-award
The signal intensity for weighing frequency resource upper signal channel is less than default thresholding.
Alternatively, methods described also includes：Receive the information for the thresholding that the base station is sent.It is optional
Ground, it is described to use the uplink scheduling parameter when uplink scheduling parameter configuration is two or more
Configuration information, transmitting uplink data is carried out by the workable unlicensed frequencies resource, including：From
A kind of uplink scheduling parameter configuration is chosen in uplink scheduling parameter configuration more than described two,
And selected uplink scheduling parameter configuration is used, pass through the workable unlicensed frequencies resource
Carry out transmitting uplink data.
Alternatively, choose a kind of up in the uplink scheduling parameter configuration more than described two
Scheduling parameter configuration information, including：Idle degrees and up-link based on the unlicensed frequencies resource
HARQ feedback information, from the base station send two or more uplink scheduling parameter configurations in
Choose a kind of uplink scheduling parameter configuration.
Alternatively, the uplink scheduling parameter configuration includes ascending physical signal resource block assignment information and tune
At least one of encoding format information processed.
Alternatively, the uplink scheduling parameter configuration also includes uplink transmission power control information and upper
At least one of maximum continuous subframes number information of row transmission.
Alternatively, methods described also includes：When it is determined that number of sub frames used in the upstream data of required transmission
Less than the uplink maximum continuous subframes number when, in upstream data described in end of transmission, release
The unlicensed frequencies resource.
The embodiment of the present invention additionally provides a kind of uplink dispatch method, including：Generate relative user equipment
Uplink scheduling parameter configuration, the uplink scheduling parameter configuration is used including the user equipment
Unlicensed frequencies resource carries out the information of used configuration parameter during transmitting uplink data；Will be described up
Scheduling parameter configuration information is sent to the user equipment, to cause the user equipment listening to and can make
During unlicensed frequencies resource, transmitting uplink data is carried out using the uplink scheduling parameter configuration.
Alternatively, it is described to listen to workable unlicensed frequencies resource, including：Detect described non-award
The signal intensity for weighing frequency resource upper signal channel is less than default thresholding.
Alternatively, in addition to：The information of the thresholding is sent to the user equipment.Alternatively, when
When the uplink scheduling parameter configuration is two or more, methods described also includes：It is described when receiving
When user equipment uses the upstream data of the unlicensed frequencies resource transmission, user equipment institute described in blind check
The uplink scheduling parameter configuration used；The uplink scheduling parameter configuration determined using blind check is parsed
Go out the upstream data that the user equipment uses the unlicensed frequencies resource transmission.
Alternatively, the uplink scheduling parameter configuration includes ascending physical signal resource block assignment information and tune
At least one of encoding format information processed.
Alternatively, the uplink scheduling parameter configuration also includes uplink transmission power control information and upper
At least one of maximum continuous subframes number information of row transmission.
The embodiment of the present invention additionally provides a kind of user equipment, including：Configuration information receiving unit, is suitable to
Receive the uplink scheduling parameter configuration of base station transmission and store, the uplink scheduling parameter configuration
Including the information by used configuration parameter during unlicensed frequencies resource progress transmitting uplink data；On
Row data configuration transmission unit, suitable for when listening to workable unlicensed frequencies resource, using described
Uplink scheduling parameter configuration, upstream data biography is carried out by the workable unlicensed frequencies resource
It is defeated.
Alternatively, the user equipment also includes：Unlicensed frequencies resource acquisition unit, suitable for detecting
When the signal intensity of the unlicensed frequencies resource upper signal channel is less than default thresholding, it is determined that listening to make
Unlicensed frequencies resource.
Alternatively, in addition to：Threshold information receiving unit, suitable for receiving the door that the base station is sent
The information of limit.
Alternatively, the user equipment also includes：Configuration information chooses unit, suitable for upper when what is received
When row scheduling parameter configuration information is two or more, the uplink scheduling parameter configuration more than described two is believed
A kind of uplink scheduling parameter configuration is chosen in breath；The upstream data configures transmission unit, suitable for making
With selected uplink scheduling parameter configuration, carried out by the workable unlicensed frequencies resource
Transmitting uplink data.
Alternatively, the configuration information chooses unit suitable for the idle journey based on the unlicensed frequencies resource
The HARQ feedback information of degree and up-link, the two or more uplink scheduling ginsengs sent from the base station
A kind of uplink scheduling parameter configuration is chosen in number configuration information.
Alternatively, the uplink scheduling parameter configuration includes ascending physical signal resource block assignment information and tune
At least one of encoding format information processed.
Alternatively, the uplink scheduling parameter configuration also includes uplink transmission power control information and upper
At least one of maximum continuous subframes number information of row transmission.
Alternatively, the upstream data configuration transmission unit, is further adapted for the upper line number of the transmission needed for determining
During according to maximum continuous subframes number less than the uplink, in upstream data described in end of transmission, release
Put the unlicensed frequencies resource.
The embodiment of the present invention additionally provides a kind of base station, including：Configuration information generation unit, suitable for generation
The uplink scheduling parameter configuration of relative user equipment, the uplink scheduling parameter configuration includes institute
State letter of the user equipment using used configuration parameter during unlicensed frequencies resource progress transmitting uplink data
Breath；Configuration information transmission unit, suitable for the uplink scheduling parameter configuration is sent to the user
Equipment, to cause the user equipment when listening to workable unlicensed frequencies resource, using described
Uplink scheduling parameter configuration carries out transmitting uplink data.
Alternatively, the user equipment is detecting the signal intensity of the unlicensed frequencies resource upper signal channel
During less than default thresholding, it is determined that listening to workable unlicensed frequencies resource.
Alternatively, the base station also includes：Threshold information transmitting element, suitable for by the information of the thresholding
Send to the user equipment.
Alternatively, the base station also includes：Data detecting unit, suitable for matching somebody with somebody when the uplink scheduling parameter
Confidence breath for it is two or more when, and receive the user equipment using the unlicensed frequencies resource transmission
Upstream data when, uplink scheduling parameter configuration used in user equipment described in blind check, and using
The uplink scheduling parameter configuration that blind check is determined is parsed uses the unauthorized frequency to the user equipment
The upstream data of rate resource transmission.
Alternatively, the uplink scheduling parameter configuration includes ascending physical signal resource block assignment information and tune
At least one of encoding format information processed.
Alternatively, the uplink scheduling parameter configuration also includes uplink transmission power control information and upper
At least one of maximum continuous subframes number information of row transmission.
Compared with prior art, the technical scheme of the embodiment of the present invention has the advantages that：
User equipment is carried out upstream data biography by above-mentioned scheme, base station using unlicensed frequencies resource in advance
The uplink scheduling parameter configuration used when defeated is sent to user equipment so that user equipment is being listened to
During workable unlicensed frequencies resource, the uplink scheduling parameter configuration directly sent using base station is entered
Row transmitting uplink data, without being passed through again by base station when user equipment listens to unlicensed frequencies resource
Send corresponding uplink scheduling parameter configuration and carry out uplink scheduling, it is thereby achieved that user equipment
Success carries out transmitting uplink data using the unlicensed frequencies resource listened to, improves the utilization of Radio Resource
Rate.
Further, the uplink scheduling parameter configuration that base station is sent is two or more so that Yong Hushe
It is standby to choose corresponding uplink scheduling parameter configuration progress upstream data biography according to the actual needs
It is defeated, so as to improve the flexibility that transmitting uplink data is carried out using unauthorized resource.
Further, user equipment using unlicensed frequencies resource when carrying out transmitting uplink data, in institute
Number of sub frames used in the upstream data of transmission is less than in the uplink scheduling parameter configuration selected by base station
During the maximum continuous subframes number of uplink, when the corresponding upstream data of end of transmission, i.e. release is supervised
The unlicensed frequencies resource heard, therefore, it can further save Radio Resource.
Brief description of the drawings
Fig. 1 is a kind of schematic flow sheet of uplink data transmission method according to embodiments of the present invention；
Fig. 2 is a kind of flow chart of uplink dispatch method according to embodiments of the present invention；
Fig. 3 is the signaling process figure between a kind of base station according to embodiments of the present invention and user equipment；
Fig. 4 is the signaling process figure between another base station according to embodiments of the present invention and user equipment；
Fig. 5 is a kind of structural representation of user equipment in the embodiment of the present invention；
Fig. 6 is a kind of structural representation of base station in the embodiment of the present invention.
Embodiment
As stated in the Background Art, usual LTE is always deployed in mandate (licensed) frequency that operator possesses
Rate resource, but authorize frequency resource it is very rare, therefore operator start consideration make full use of it is unauthorized
(unlicensed) frequency resource of frequency resource, such as 5GHz carries out data transmission.Using 5GHz
Before frequency resource, user equipment (UE) needs to use listen-before-talk (Listen Before Talk, LBT)
Mechanism, whether monitoring have other users equipment such as the WLAN unlicensed frequencies resources described in,
If it is determined that the channel on unlicensed frequencies is in busy condition, then need to wait；When it is determined that unauthorized frequency
Channel in rate is in idle condition, then can use the unlicensed frequencies resource of a period of time.For example,
When Japan at most can continuously use up to 4ms unlicensed frequencies resource.When this unlicensed frequencies
When resource is using completing, user equipment needs to discharge the unlicensed frequencies resource, then monitors and obtains again
The right to use of unlicensed frequencies resource next time.
Wherein, when up channel also uses unlicensed frequencies resource, UE needs to use LBT mechanism,
To know the transmission that the unlicensed frequencies can be used to carry out upstream data, but because this can be used
Time of frequency is shorter such as the 4ms of Japan, if using existing uplink scheduling mechanism, it is assumed that base station exists
It can sometime know that user equipment can carry out uplink in unlicensed frequencies resource, base station is also
Need to make corresponding uplink scheduling decision-making, and the uplink scheduling decision-making that could be made that is sent to user equipment,
User equipment generally can be reached after 4 ms, this will cause UE can not use substantially obtain frequency
The right to use of rate, will cause the waste of Radio Resource.
The problem of to solve above-mentioned, the embodiment of the present invention is in advance used user equipment by base station unauthorized
The uplink scheduling parameter configuration used during frequency resource progress transmitting uplink data, which is sent to user, to be set
It is standby so that user equipment is directly sent when listening to workable unlicensed frequencies resource using base station
Uplink scheduling parameter configuration carry out transmitting uplink data, without listening to non-award in user equipment
Again uplink scheduling is carried out by base station during power frequency resource, it is possible to achieve user equipment is successfully using listening to
Unlicensed frequencies resource carries out transmitting uplink data, improves the utilization rate of Radio Resource.
It is understandable to enable above-mentioned purpose, feature and beneficial effect of the invention to become apparent, with reference to
Accompanying drawing is described in detail to the specific embodiment of the present invention.
Fig. 1 shows a kind of schematic diagram of uplink data transmission method in the embodiment of the present invention.Referring to Fig. 1,
In specific implementation, the uplink data transmission method in the embodiment of the present invention can include the steps：
Step S101：Receive the uplink scheduling parameter configuration of base station transmission and store.
In specific implementation, the uplink scheduling parameter configuration includes entering by unlicensed frequencies resource
The information of used configuration parameter during row transmitting uplink data.
It should be noted that base station is before configuration user equipment uses unlicensed frequencies resource, Yong Hushe
For by authorizing frequency resource to access the base station, and establish wireless heterogeneous networks (Radio
Resource Control, RRC) connection.Base station can be by authorizing frequency resource by the uplink scheduling
Parameter configuration is sent to user equipment, can also be by unlicensed frequencies resource by the uplink scheduling
Parameter configuration is sent to user equipment.
Step S102：When listening to workable unlicensed frequencies resource, joined using the uplink scheduling
Number configuration information, transmitting uplink data is carried out by the workable unlicensed frequencies resource.
In specific implementation, user equipment can be monitored by LBT mechanism and use unlicensed frequencies.Its
In, user equipment can be by detecting, when true to the channel signal strength in unlicensed frequencies resource
When the signal intensity that regular inspection is measured is less than default threshold value, show the unlicensed frequencies Energy Resources Service detected
In idle condition, it can use；Conversely, then show unlicensed frequencies resource be in busy condition, it is necessary to
Waiting for a period of time to use.Default thresholding can be configured by base station herein, such as in step S101
The information of the thresholding and uplink scheduling parameter configuration are sent jointly into user equipment.User equipment
When it is determined that unlicensed frequencies resource is in idle condition, that is, when listening to available unlicensed frequencies resource,
Just the uplink scheduling parameter information that directly can be sent using base station, and by listening to workable non-award
Weigh the transmission that frequency resource carries out upstream data.
Above-mentioned scheme, user equipment is when listening to available unlicensed frequencies resource, directly using base
The uplink scheduling parameter configuration sent in advance of standing carries out the transmission of upstream data, enters again without base station
Row uplink scheduling so that user equipment can be carried out up using the unlicensed frequencies resource listened to immediately
The transmission of data, so as to improve the utilization rate of Radio Resource, saves Radio Resource.
Fig. 2 shows a kind of schematic flow sheet of uplink dispatch method in the embodiment of the present invention.Referring to Fig. 2,
In specific implementation, the uplink dispatch method in the embodiment of the present invention can include the steps：
Step S201：Generate the uplink scheduling parameter configuration of relative user equipment.
In specific implementation, base station can generate user equipment and use unauthorized frequency according to the actual needs
Rate resource carries out used uplink scheduling parameter configuration during transmitting uplink data.
Step S202：The uplink scheduling parameter configuration is sent to the user equipment, to cause
The user equipment uses the uplink scheduling parameter when listening to workable unlicensed frequencies resource
Configuration information carries out transmitting uplink data.
In specific implementation, base station can send the uplink scheduling parameter configuration generated to user
Equipment, can be when listening to workable unlicensed frequencies resource so as to obtain user equipment, can be immediately
The uplink scheduling parameter configuration sent using base station, and pass through the unauthorized of can using of listening to
Frequency resource carries out transmitting uplink data, rather than when listening to workable unlicensed frequencies resource,
Uplink scheduling is carried out by base station again, therefore, user equipment can timely use the unlicensed frequencies listened to
Resource carries out transmitting uplink data, thus can improve the utilization rate of Radio Resource, saves Radio Resource.
Below by the uplink data transmission method of the user equipment in the embodiment of the present invention and uplink scheduling side
Method is combined, and the Signalling exchange in the embodiment of the present invention between user equipment and base station is carried out more detailed
Thin explanation.
Fig. 3 is referred to, in specific implementation, base station and user equipment are in user equipment how using listening to
Unlicensed frequencies resource carries out the interaction during transmitting uplink data, can include the steps：
Step S301：Base station generates corresponding uplink scheduling parameter configuration and sent to user equipment.
In an embodiment of the present invention, base station can be by a kind of uplink scheduling parameter configuration generated
Added in wireless heterogeneous networks (Radio Resource Control, RRC) signaling, and RRC is believed
Order is sent to user equipment, is matched somebody with somebody with alloing the user equipment to receive corresponding uplink scheduling parameter
Confidence ceases and stored.Base station is before configuration user equipment uses unlicensed frequencies resource, and user equipment is
Through by authorizing frequency resource to access the base station, and establish RRC connections.
In specific implementation, when the uplink scheduling parameter configuration is distributed including ascending physical signal resource block
At least one of information and modulating-coding format information.In other examples, uplink scheduling parameter is matched somebody with somebody
Confidence breath can also include the maximum continuous subframes number information of uplink transmission power control information and uplink
At least one of.
Step S302：User equipment receives the uplink scheduling parameter configuration of base station transmission and stored.
In specific implementation, user equipment, can be by when receiving the RRC signaling of base station transmission
Corresponding uplink scheduling parameter configuration is parsed from the RRC signaling and is stored, with prison
Hear that the workable i.e. described user equipment of unlicensed frequencies resource can use the unlicensed frequencies resource
When transmitting upstream data or signaling, stored uplink scheduling parameter configuration can be used to configure correspondence
Upstream data and transmit to base station.
Step S303：The user equipment uses base when listening to workable unlicensed frequencies resource
The uplink scheduling parameter configuration sent of standing simultaneously carries out upper line number by the unlicensed frequencies resource listened to
According to transmission.
In specific implementation, user equipment, can be with when it is determined that there is workable unlicensed frequencies resource
The uplink scheduling parameter configuration that is sent immediately using base station by the RRC signaling and by listening to
Workable unlicensed frequencies resource transmission upstream data, to realize that the quick of unlicensed frequencies resource makes
With.
For example, when base station by the RRC signaling transmission uplink scheduling parameter configuration including upper
Row Physical Resource Block resource allocation information, modulating-coding format information, uplink transmission power control information and
During the maximum continuous subframes number information of uplink, user equipment uses the uplink scheduling parameter that base station is sent
Configuration information simultaneously can by unlicensed frequencies resource progress transmitting uplink data, the i.e. user equipment listened to
With using on the ascending physical signal resource block specified in the uplink scheduling parameter configuration, according to specified
Modulating-coding form and power contorl parameters, carry out the transmission of upstream data.
In specific implementation, the continuous son of maximum for including uplink when uplink scheduling parameter configuration
Son used in upstream data needed for the information of frame number, and user equipment in unlicensed frequencies resource transmission
Frame number is less than the upstream data of transmission needed for the maximum continuous subframes number of the uplink, i.e. user equipment
Data volume be less than the uplink maximum continuous subframes number allow transmission data volume when, Yong Hushe
It is standby to discharge listened to unlicensed frequencies resource in upstream data described in end of transmission, that is, carry
The preceding release unlicensed frequencies resource, to allow other equipment to use, rather than in data biography
Listened to unlicensed frequencies resource is held over when being totally lost complete for a period of time, thus wireless money can be saved
Source, improves the utilization rate of Radio Resource.
It is up using the progress of unlicensed frequencies resource is listened in order to improve user equipment in specific implementation
The flexibility of data transfer, base station can generate two or more uplink scheduling parameter configurations and send
To the user equipment, user equipment can choose one of which uplink scheduling parameter according to the actual needs
Configuration information carries out transmitting uplink data, specifically refers to Fig. 4.
Fig. 4 is referred to, in specific implementation, base station and user equipment are in user equipment using listening to non-award
Another interaction flow during frequency resource carries out transmitting uplink data is weighed, can be included as follows
Step：
Step S401：Base station generates two or more uplink scheduling parameter configurations and sent to user and sets
It is standby.
In an embodiment of the present invention, base station can match somebody with somebody the two or more uplink scheduling parameters generated
Confidence breath is added in wireless heterogeneous networks (Radio Resource Control, RRC) signaling, and will
RRC signaling is sent to user equipment, is joined with alloing the user equipment to receive corresponding uplink scheduling
Number configuration information is simultaneously stored.
Step S402：User equipment receives the uplink scheduling parameter configuration of base station transmission and stored.
In specific implementation, user equipment, can be by when receiving the RRC signaling of base station transmission
Corresponding two or more uplink scheduling parameter configuration is parsed from the RRC signaling and is deposited
Storage, when listening to workable unlicensed frequencies resource, can use from the uplink scheduling stored
A kind of uplink scheduling parameter configuration chosen in parameter configuration configuration carries out the biography of upstream data
It is defeated.
Step S403：The user equipment is when listening to workable unlicensed frequencies resource, from described
A kind of uplink scheduling parameter configuration is chosen in the two or more uplink scheduling parameter configurations that base station is sent
Information, chooses and uses selected uplink scheduling parameter configuration, by described available unauthorized
Frequency resource carries out transmitting uplink data.
In specific implementation, user equipment can listen to workable unlicensed frequencies resource according to this
The idle degrees of upper signal channel are the power level on the channel detected, and the upper line number transmitted before
According to HARQ feedback information, the two or more uplink scheduling parameters sent from base station by rrc message
The transmission that a kind of uplink scheduling parameter configuration carries out upstream data is chosen in configuration information.
For example, the power level worked as on the channel of the unlicensed frequencies that can currently use detected is relatively low,
When being such as less than default power threshold, user equipment can be compiled to the upstream data using higher modulation
Code form, such as uses and includes 64 phase quadrature amplitude modulation mode (64Quadrature Amplitude
Modulation, 64QAM) coded modulation is carried out to upstream data waiting for transmission；When user equipment is determined
The number for not confirming (NACK) information in the HARQ feedback information of the up-link of base station transmission before this
Amount it is more such as more than 20% when, UE can be right using the relatively low modulating-coding form such as 16QAM of selection
Upstream data carries out coded modulation.
Step S404：Base station determines that the user equipment uses the available unlicensed frequencies by blind check
Resource carries out using uplink scheduling parameter configuration during transmitting uplink data, and determined using blind check
Uplink scheduling parameter configuration is parsed to the upstream data received, described up to obtain
Data.
In specific implementation, the uplink scheduling parameter configuration that base station is sent to the user equipment is two
More than kind, therefore, base station is receiving user equipment by listening to the upper of unlicensed frequencies resource transmission
During row data, in this case it is not apparent that the uplink scheduling parameter configuration of user equipment actual use.Now, base
The uplink scheduling parameter configuration of user equipment actual use can be determined by blind check by standing, i.e. base station makes
With the two or more uplink scheduling parameter configurations transmitted before by RRC signaling respectively to being received
To the upstream data parsed, with parse obtain correct upstream data.
Similarly, when uplink scheduling parameter configuration includes the maximum continuous subframes number of uplink
Information, and user equipment is less than using number of sub frames used in the upstream data of unlicensed frequencies resource transmission
During the maximum continuous subframes number of the uplink, user equipment can be in upstream data described in end of transmission
When, listened to unlicensed frequencies resource is discharged in advance, to allow other equipment to be continuing with
The unlicensed frequencies resource, rather than hold over when data transfer is finished listened to unauthorized frequency
Rate resource for a period of time, thus can save Radio Resource, improve the utilization rate of Radio Resource.
Further details of introduction will be made to the above-mentioned corresponding device of method below.
Shown in Figure 5, in specific implementation, user equipment 500 in the embodiment of the present invention can be with
Including configuration information receiving unit 501 and upstream data configuration transmission unit 502, wherein：
Configuration information receiving unit 501, suitable for receiving the uplink scheduling parameter configuration of base station transmission and depositing
Storage, the uplink scheduling parameter configuration includes carrying out transmitting uplink data by unlicensed frequencies resource
When used configuration parameter information.
Upstream data configures transmission unit 502, suitable for when listening to workable unlicensed frequencies resource,
Using the uplink scheduling parameter configuration, carried out by the workable unlicensed frequencies resource
Row data transfer.
In an embodiment of the present invention, in order to further save Radio Resource, the upstream data configuration is passed
Defeated unit 502, is further adapted for when number of sub frames used in the upstream data of transmission needed for determination is less than described up
During the maximum continuous subframes number of transmission, in upstream data described in end of transmission, the unauthorized frequency is discharged
Rate resource.
In specific implementation, the user equipment 500 in the embodiment of the present invention can also include unauthorized
Frequency resource acquiring unit 503, the signal intensity suitable for detecting the unlicensed frequencies resource upper signal channel is low
When default thresholding, it is determined that listening to workable unlicensed frequencies resource.
In specific implementation, the user equipment 500 in the embodiment of the present invention can also include thresholding letter
Receiving unit 504 is ceased, wherein：
Threshold information receiving unit 504, the information suitable for receiving the thresholding that the base station is sent.
In an embodiment of the present invention, the user equipment 500 can also include configuration information selection unit
505, suitable for when the uplink scheduling parameter configuration received is two or more, more than described two
Uplink scheduling parameter configuration in choose a kind of uplink scheduling parameter configuration.
In an embodiment of the present invention, the configuration information is chosen unit 505 and is suitable to based on described unauthorized
The idle degrees of frequency resource and the HARQ feedback information of up-link, two kinds sent from the base station
A kind of uplink scheduling parameter configuration is chosen in uplink scheduling parameter configuration above.
The upstream data configuration transmission unit 502 is then adapted in use to configuration information to choose selected by unit 505
The uplink scheduling parameter configuration taken, upper line number is carried out by the workable unlicensed frequencies resource
According to transmission.
In specific implementation, the uplink scheduling parameter configuration can include up RB resource allocations letter
At least one of breath and modulating-coding format information.In other embodiments, the uplink scheduling parameter is matched somebody with somebody
Confidence breath can also include the maximum continuous subframes number information of uplink transmission power control information and uplink
At least one of.
Fig. 6 shows a kind of structural representation of base station in the embodiment of the present invention.Fig. 6 is referred to, in tool
During body is implemented, the base station 600 in the embodiment of the present invention can include configuration information generation unit 601 and match somebody with somebody
Information transmission unit 602 is put, wherein：
Configuration information generation unit 601, the uplink scheduling parameter configuration letter suitable for generating relative user equipment
Breath, the uplink scheduling parameter configuration is carried out including the user equipment using unlicensed frequencies resource
The information of used configuration parameter during transmitting uplink data.
Configuration information transmission unit 602, is used suitable for the uplink scheduling parameter configuration is sent to described
Family equipment, to cause the user equipment when listening to workable unlicensed frequencies resource, to use institute
State uplink scheduling parameter configuration and carry out transmitting uplink data.
In specific implementation, the user equipment is detecting the letter of the unlicensed frequencies resource upper signal channel
When number intensity is less than default thresholding, it is determined that listening to workable unlicensed frequencies resource.
In an embodiment of the present invention, the base station 600 can also include threshold information transmitting element 603,
Suitable for the information of the thresholding is sent to the user equipment.
In an embodiment of the present invention, the base station 600 can also include data detecting unit 604, be suitable to
When the uplink scheduling parameter configuration for it is two or more when, and receive the user equipment and use institute
When stating the upstream data of unlicensed frequencies resource transmission, uplink scheduling used in user equipment described in blind check
Parameter configuration, and the uplink scheduling parameter configuration determined using blind check parsed to the user
Equipment uses the upstream data of the unlicensed frequencies resource transmission.
In specific implementation, the uplink scheduling parameter configuration can include ascending physical signal resource block point
With at least one of information and modulating-coding format information.In other embodiments, the uplink scheduling ginseng
Number configuration information can also include uplink transmission power control information and the maximum continuous subframes number of uplink
At least one of information.
User equipment is carried out upstream data biography by above-mentioned scheme, base station using unlicensed frequencies resource in advance
The uplink scheduling parameter configuration used when defeated is sent to user equipment so that user equipment is being listened to
During the unlicensed frequencies resource that can be used, the uplink scheduling parameter configuration directly sent using base station
Transmitting uplink data is carried out, the time of uplink scheduling can be shortened, so as to realize user equipment
Success carries out transmitting uplink data using the unlicensed frequencies resource listened to, improves the utilization of Radio Resource
Rate.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment
Rapid to can be by program to instruct the hardware of correlation to complete, the program can be stored in a computer can
Read in storage medium, storage medium can include：ROM, RAM, disk or CD etc..
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art,
Without departing from the spirit and scope of the present invention, it can make various changes or modifications, therefore the guarantor of the present invention
Shield scope should be defined by claim limited range.
Claims (28)
1. a kind of uplink data transmission method, it is characterised in that including：
Receive the uplink scheduling parameter configuration of base station transmission and store, the uplink scheduling parameter configuration letter
Breath includes the letter by used configuration parameter during unlicensed frequencies resource progress transmitting uplink data
Breath；
When listening to workable unlicensed frequencies resource, using the uplink scheduling parameter configuration,
Transmitting uplink data is carried out by the workable unlicensed frequencies resource.
2. uplink data transmission method according to claim 1, it is characterised in that described listen to can make
Unlicensed frequencies resource, including：The signal for detecting the unlicensed frequencies resource upper signal channel is strong
Degree is less than default thresholding.
3. uplink data transmission method according to claim 2, it is characterised in that also include：Receive institute
State the information of the thresholding of base station transmission.
4. uplink data transmission method according to claim 1, it is characterised in that the uplink scheduling ginseng
It is described to use the uplink scheduling parameter configuration when number configuration information is two or more, pass through institute
State workable unlicensed frequencies resource and carry out transmitting uplink data, including：
A kind of uplink scheduling parameter configuration is chosen in uplink scheduling parameter configuration more than described two
Information, and selected uplink scheduling parameter configuration is used, by described workable unauthorized
Frequency resource carries out transmitting uplink data.
5. uplink data transmission method according to claim 4, it is characterised in that described from described two
A kind of uplink scheduling parameter configuration is chosen in uplink scheduling parameter configuration above, including：
The HARQ feedback information of idle degrees and up-link based on the unlicensed frequencies resource, from institute
A kind of uplink scheduling ginseng is chosen in the two or more uplink scheduling parameter configurations for stating base station transmission
Number configuration information.
6. uplink data transmission method according to claim 1, it is characterised in that the uplink scheduling ginseng
Number configuration information is included at least one in ascending physical signal resource block assignment information and modulating-coding format information
Kind.
7. uplink data transmission method according to claim 6, it is characterised in that the uplink scheduling ginseng
Number configuration information also includes uplink transmission power control information and the maximum continuous subframes number of uplink
At least one of information.
8. uplink data transmission method according to claim 7, it is characterised in that also include：When it is determined that
Number of sub frames used in the upstream data of required transmission is less than the maximum continuous subframes of the uplink
During number, in upstream data described in end of transmission, the unlicensed frequencies resource is discharged.
9. a kind of uplink dispatch method, it is characterised in that including：
Generate the uplink scheduling parameter configuration of relative user equipment, the uplink scheduling parameter configuration
It is used when carrying out transmitting uplink data using unlicensed frequencies resource including the user equipment to match somebody with somebody
Put the information of parameter；
The uplink scheduling parameter configuration is sent to the user equipment, to cause the user equipment
When listening to workable unlicensed frequencies resource, using the uplink scheduling parameter configuration,
And transmitting uplink data is carried out by the unlicensed frequencies resource.
10. uplink dispatch method according to claim 9, it is characterised in that the user equipment is in detection
To the unlicensed frequencies resource upper signal channel signal intensity be less than default thresholding when, it is determined that listening to
Workable unlicensed frequencies resource.
11. uplink dispatch method according to claim 10, it is characterised in that also include：By the door
The information of limit is sent to the user equipment.
12. uplink dispatch method according to claim 9, it is characterised in that when the uplink scheduling parameter
When configuration information is two or more, in addition to：
When receive the user equipment use the unlicensed frequencies resource transmission upstream data when, blind check
Uplink scheduling parameter configuration used in the user equipment；
The uplink scheduling parameter configuration determined using blind check is parsed to the user equipment described in
The upstream data of unlicensed frequencies resource transmission.
13. uplink dispatch method according to claim 12, it is characterised in that the uplink scheduling parameter
Configuration information includes at least one of ascending physical signal resource block assignment information and modulating-coding format information.
14. uplink dispatch method according to claim 13, it is characterised in that the uplink scheduling parameter
Configuration information also includes uplink transmission power control information and the maximum continuous subframes number letter of uplink
At least one of breath.
15. a kind of user equipment, it is characterised in that including：
Configuration information receiving unit, suitable for receiving the uplink scheduling parameter configuration of base station transmission and storing,
The uplink scheduling parameter configuration includes carrying out transmitting uplink data by unlicensed frequencies resource
When used configuration parameter information；
Upstream data configures transmission unit, suitable for when listening to workable unlicensed frequencies resource, using
The uplink scheduling parameter configuration, is carried out up by the workable unlicensed frequencies resource
Data transfer.
16. user equipment according to claim 15, it is characterised in that also include：Unlicensed frequencies are provided
Source acquiring unit, suitable for detecting the signal intensity of the unlicensed frequencies resource upper signal channel less than default
Thresholding when, it is determined that listening to workable unlicensed frequencies resource.
17. user equipment according to claim 16, it is characterised in that also include：Threshold information is received
Unit, the information suitable for receiving the thresholding that the base station is sent.
18. user equipment according to claim 15, it is characterised in that also include：
Configuration information chooses unit, suitable for being two or more when the uplink scheduling parameter configuration received
When, a kind of uplink scheduling parameter, which is chosen, in the uplink scheduling parameter configuration more than described two matches somebody with somebody
Confidence ceases；
The upstream data configures transmission unit, is adapted in use to selected uplink scheduling parameter configuration,
Transmitting uplink data is carried out by the workable unlicensed frequencies resource.
19. user equipment according to claim 18, it is characterised in that the configuration information chooses unit
Suitable for idle degrees and the HARQ feedback information of up-link based on the unlicensed frequencies resource,
A kind of up tune is chosen in the two or more uplink scheduling parameter configurations sent from the base station
Spend parameter configuration.
20. user equipment according to claim 19, it is characterised in that the uplink scheduling parameter configuration
Information includes at least one of ascending physical signal resource block assignment information and modulating-coding format information.
21. user equipment according to claim 20, it is characterised in that the uplink scheduling parameter configuration
Information is also included in the maximum continuous subframes number information of uplink transmission power control information and uplink
It is at least one.
22. user equipment according to claim 21, it is characterised in that the upstream data configuration transmission
Unit, is further adapted for working as number of sub frames used in the upstream data for determining required transmission less than the up biography
During defeated maximum continuous subframes number, in upstream data described in end of transmission, the unauthorized frequency is discharged
Rate resource.
23. a kind of base station, it is characterised in that including：
Configuration information generation unit, the uplink scheduling parameter configuration suitable for generating relative user equipment, institute
Uplink scheduling parameter configuration is stated to carry out using unlicensed frequencies resource including the user equipment
The information of used configuration parameter during row data transfer；
Configuration information transmission unit, sets suitable for the uplink scheduling parameter configuration is sent to the user
It is standby, to cause the user equipment when listening to workable unlicensed frequencies resource, using described
Uplink scheduling parameter configuration carries out transmitting uplink data.
24. base station according to claim 23, it is characterised in that the user equipment detect it is described
When the signal intensity of unlicensed frequencies resource upper signal channel is less than default thresholding, it is determined that listening to usable
Unlicensed frequencies resource.
25. base station according to claim 24, it is characterised in that also include：Threshold information transmitting element,
Suitable for the information of the thresholding is sent to the user equipment.
26. base station according to claim 23, it is characterised in that also include：
Data detecting unit, suitable for when the uplink scheduling parameter configuration for it is two or more when, and receive
When using the upstream data of the unlicensed frequencies resource transmission to the user equipment, used described in blind check
Uplink scheduling parameter configuration used in the equipment of family, and the uplink scheduling parameter determined using blind check
Configuration information parses the upper line number for using the user equipment unlicensed frequencies resource transmission
According to.
27. base station according to claim 23, it is characterised in that the uplink scheduling parameter configuration
Including at least one of ascending physical signal resource block assignment information and modulating-coding format information.
28. base station according to claim 27, it is characterised in that the uplink scheduling parameter configuration
Also include in the maximum continuous subframes number information of uplink transmission power control information and uplink at least
It is a kind of.
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| CN201610255936.8A CN107306454A (en) | 2016-04-22 | 2016-04-22 | User equipment and uplink data transmission method, base station and uplink dispatch method |
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| CN201610255936.8A CN107306454A (en) | 2016-04-22 | 2016-04-22 | User equipment and uplink data transmission method, base station and uplink dispatch method |
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| WO2020164107A1 (en) * | 2019-02-15 | 2020-08-20 | Zte Corporation | Power control parameters indication |
| CN113973385A (en) * | 2021-12-27 | 2022-01-25 | 成都爱瑞无线科技有限公司 | Method, system, device and storage medium for managing unauthorized frequency band resources |
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