CN109587779A - A kind of dual link communication structure and its uplink method - Google Patents
A kind of dual link communication structure and its uplink method Download PDFInfo
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- CN109587779A CN109587779A CN201910088102.6A CN201910088102A CN109587779A CN 109587779 A CN109587779 A CN 109587779A CN 201910088102 A CN201910088102 A CN 201910088102A CN 109587779 A CN109587779 A CN 109587779A
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- uplink
- base station
- user terminal
- transmission power
- scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
- H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
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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
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
-
- 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
Abstract
The embodiment of the present invention provides a kind of dual link communication structure and its uplink method, is related to the communications field, can meet SAR limit value requirement while guaranteeing uplink covering.This method comprises: the scheduling that user terminal transmission includes uplink maximum transmission power is applied to the base station TDD and the base station FDD;When determining that uplink maximum transmission power is greater than predetermined power, the first uplink duty ratio is issued the base station FDD by the base station TDD;The second uplink duty ratio is arranged according to the first uplink duty ratio in the base station FDD, so that the average uplink transmission power in each wireless frame length in the communication connection between user terminal and target BS is less than or equal to predetermined power;The first scheduling comprising the first ascending time slot of each self-generating is agreed to that the second scheduling permitted and comprising the second ascending time slot agrees to that license is sent to user terminal respectively by the base station TDD and the base station FDD, so that user terminal carries out uplink information transmission to target BS in the first ascending time slot and the second ascending time slot.
Description
Technical field
The present invention relates to the communications field more particularly to a kind of dual link communication structures and its uplink method.
Background technique
Currently, 5G network architecture implementation is divided into two kinds, one kind is independent (SA, Standalone) networking structure, one
Kind is dependent networking (NSA, Non-standalone) structure.Terminal synchronization only connects 5GNR (New under SA framework
Radio newly eats dishes without rice or wine), and under NSA framework, terminal will connect 5GNR and LTE two i.e. terminals of eating dishes without rice or wine with for the moment in synchronization
Two class base stations will be connected by carving, therefore the dual link net of also referred to as LTE (Long Term Evolution, long term evolution) and NR
Network.Because Terminal Design needs to meet to human body radiation (SAR, Specific Absorption Rate, electro-magnetic wave absorption ratio
Value) limit value requirement, meet SAR limit value requirement when terminal uplink transmission power is less than or equal to 23dBm, so terminal
Uplink maximum power is traditionally arranged to be 23dBm.But in order to make up locating for the increase or terminal of the loss of high-frequency band upper pathway
The problem of shrinking is covered caused by position signal is bad in 2.6GHz, 3.5GHz and 4.9GHz frequency range defines higher power
Terminal maximum transmission power, promoted arrive 26dBm, in this case use TDD (Time Division Duplexing, time-division
Duplex) mode base station, that is, base station TDD can by adjust uplink and downlink duty ratio realize, using FDD (Frequency
Division Duplexing, frequency division duplex) base station, that is, base station FDD of mode is then unable to satisfy SAR limit value requirement.So
Under NSA framework, if LTE and NR one of them use fdd mode mode transmit information, another if use tdd mode
Information is transmitted, in order to guarantee that the terminal transmission power in all frequency ranges is 23dBm (LTE+NR general power), Gao Gong cannot be defined
Rate launch terminal, but will be unable to cover weak problem by increasing transmission power to make up uplink in this way under NSA framework.
Summary of the invention
The embodiment of the present invention provides a kind of dual link communication structure and its uplink method, can guarantee uplink covering
Meet SAR limit value requirement simultaneously.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
In a first aspect, providing a kind of uplink method of dual link communication structure, comprising:
User terminal sends scheduling application to target BS;Target BS includes Time Division Duplex TDD base station and frequency division duplex
The base station base station FDD;Scheduling application includes uplink maximum transmission power;
When target BS determines that uplink maximum transmission power is greater than predetermined power, the base station TDD is preset by the first connection
First uplink duty ratio is sent to the base station FDD;First is connected as the communication connection between user terminal and the base station TDD;Default function
Rate is the corresponding uplink transmission power of SAR upper limit value;
The base station FDD according to the first uplink duty ratio setting second connection the second uplink duty ratio so that user terminal and
The average uplink transmission power in each wireless frame length in communication connection between target BS is less than or equal to predetermined power;The
Two are connected as the communication connection between user terminal and the base station FDD;
First scheduling is agreed to that license and the second scheduling agree to that license is sent to user's end respectively by the base station TDD and the base station FDD
End, so that user terminal carries out uplink information transmission to target BS in target ascending time slot;
First scheduling agrees to that license is generated by the base station TDD according to scheduling application and the first uplink duty ratio, wherein including
Corresponding first ascending time slot of first uplink duty ratio;Second scheduling agrees to license by the base station FDD according to scheduling application and second
Uplink duty ratio generates, including corresponding second ascending time slot of the second uplink duty ratio;Target ascending time slot includes first
Ascending time slot and the second ascending time slot.
Technical solution provided by the above embodiment, the base station TDD of two kinds of different communication technologies of use in dual link structure
With the base station FDD after getting the uplink maximum transmission power of user terminal, its predetermined power corresponding with SAR upper limit value is made
Compare, if predetermined power is big, shows that the user terminal can not enhance downlink covering also just not by increasing uplink power
The case where in the presence of SAR limit value condition is unsatisfactory for;If uplink maximum transmission power is big, show that the mobile phone terminal exists using big
Power emission uplink signal leads to the case where being unsatisfactory for SAR limit value.Because SAR limit value, which is not required each moment, to be met,
The average uplink transmission power in the short time is only needed to meet SAR limit value, and the unit in base station and terminal communication process
Time is exactly wireless frame length, so it is required that the average uplink transmission power between terminal and base station in each wireless frame length is small
In predetermined power;So when mobile phone terminal, which exists, leads to the case where being unsatisfactory for SAR limit value using high-power transmitting uplink signal
When need to carry out the duty ratio connected between user terminal and two base stations to be limited so that user terminal and target BS it
Between communication connection in each wireless frame length in average uplink transmission power be less than or equal to predetermined power;Specifically because of TDD
Base station is not change what uplink and downlink duty ratio was set usually in advance, so mainly needing the base station FDD to previous continuous at this time
The case where uplink, is changed, and the specific base station TDD needs to send the first uplink duty ratio preset first and gives FDD base
It stands, the base station FDD is then arranged according to second uplink duty ratio of the first uplink duty ratio to itself, and the value of the second uplink duty ratio is not
As long as user terminal and two base stations can be obtained on average in each wireless frame length for carrying out uplink information transmission by being limited
Row transmission power can be less than or equal to predetermined power;Most latter two base station generate respectively carry respectively be correspondingly connected with it is upper
Row time slot and the first scheduling corresponding with scheduling information agree to that license and the second scheduling are agreed to be licensed to user terminal, so that user
Terminal carries out uplink information transmission with the base station TDD and the base station FDD in suitable ascending time slot, both ensure that uplink covering
Enhancing also avoids the uplink transmission power of user terminal from being unsatisfactory for SAR limit value.
Second aspect provides a kind of base station TDD, is applied in dual link communication structure, comprising: receiving module, processing mould
Block and sending module;
Receiving module, for receiving the scheduling application of user terminal transmission, scheduling application includes uplink maximum transmission power;
When processing module determines that the uplink maximum transmission power in the received scheduling application of receiving module is greater than predetermined power
When, sending module, which is used to for the first preset first uplink duty ratio of connection being sent to, is in the connection of same doubly-linked with the base station TDD
Believe the base station FDD in structure;First is connected as the communication connection between user terminal and the base station TDD;Predetermined power is the SAR upper limit
It is worth corresponding uplink transmission power;
Processing module is also used to generate the first scheduling according to the first uplink duty ratio and the received scheduling application of receiving module
Agree to license;First scheduling agrees to that license includes corresponding first ascending time slot of the first uplink duty ratio;
The first scheduling that sending module is also used to generate processing module agrees to that license is sent to user terminal, so that user
Terminal carries out uplink information transmission to the base station TDD in the first ascending time slot.
The third aspect provides a kind of base station FDD, is applied in dual link communication structure, comprising: receiving module, processing mould
Block and sending module;
The receiving module, for receiving the scheduling application of user terminal transmission;The scheduling application includes that uplink is maximum
Transmission power;
When the processing module determines the received uplink maximum transmission power of the receiving module, the reception mould
Block is also used to receive the first preset first uplink duty ratio of connection of the base station TDD transmission;Described first is connected as the user
Communication connection between terminal and the base station TDD;The predetermined power is the corresponding uplink transmission power of SAR upper limit value;Institute
It states the base station TDD and the base station FDD is in same dual link communication structure;
The second connection of the first uplink duty ratio setting that the processing module is also used to be received according to the receiving module
The second uplink duty ratio so that in each wireless frame length in communication connection between the user terminal and target BS
Average uplink transmission power is less than or equal to the predetermined power;Described second is connected as the user terminal and the base station FDD
Between communication connection;
The processing module is also used to according to the second uplink duty ratio and the received scheduling application of the receiving module
It generates the second scheduling and agrees to license;Second scheduling agrees to that license includes corresponding second uplink of the second uplink duty ratio
Time slot;
The second scheduling that the sending module is also used to generate the processing module agrees to that license is sent to the user
Terminal, so that the user terminal carries out uplink information transmission to the base station FDD in second ascending time slot.
Fourth aspect provides a kind of dual link communication structure, the base station TDD provided including such as second aspect and the third aspect
The base station FDD of offer.
Dual link communication structure and its uplink method provided in an embodiment of the present invention, this method comprises: user terminal is sent
Scheduling application is to target BS;Target BS includes Time Division Duplex TDD base station and the frequency division duplex base station base station FDD;Scheduling application
Including uplink maximum transmission power;When target BS determines that uplink maximum transmission power is greater than predetermined power, the base station TDD is by the
The one preset first uplink duty ratio of connection is sent to the base station FDD;First is connected as the communication between user terminal and the base station TDD
Connection;Predetermined power is the corresponding uplink transmission power of SAR upper limit value;The base station FDD is according to the first uplink duty ratio setting second
Second uplink duty ratio of connection, so that in each wireless frame length in communication connection between user terminal and target BS
Average uplink transmission power is less than or equal to predetermined power;Second is connected as the communication connection between user terminal and the base station FDD;
First scheduling is agreed to that license and the second scheduling agree to that license is sent to user terminal respectively by the base station TDD and the base station FDD, to use
Family terminal carries out uplink information transmission to target BS in target ascending time slot;First scheduling agrees to license by the base station TDD root
It is generated according to scheduling application and the first uplink duty ratio, wherein including corresponding first ascending time slot of the first uplink duty ratio;The
Two scheduling agree to that license is generated by the base station FDD according to scheduling application and the second uplink duty ratio, including the second uplink duty
Than corresponding second ascending time slot;Target ascending time slot includes the first ascending time slot and the second ascending time slot.The embodiment of the present invention
The technical solution of offer, the base station TDD and the base station FDD of two kinds of different communication technologies of use in dual link structure are getting use
After the uplink maximum transmission power of family terminal, its predetermined power corresponding with SAR upper limit value is made comparisons, if predetermined power
Greatly, then show that the user terminal can not enhance downlink covering by increasing uplink power and also just be unsatisfactory for SAR limit value
The case where condition;If uplink maximum transmission power is big, shows that the mobile phone terminal exists and use high-power transmitting uplink signal
Lead to the case where being unsatisfactory for SAR limit value.Because SAR limit value, which is not required each moment, to be met, it is only necessary in the short time
Average uplink transmission power meets SAR limit value, and the unit time in base station and terminal communication process is exactly wireless frame length,
So it is required that the average uplink transmission power between terminal and base station in each wireless frame length is less than predetermined power;So working as
Mobile phone terminal exist using high-power transmitting uplink signal cause the case where being unsatisfactory for SAR limit value constantly need to user terminal and
The duty ratio connected between two base stations carries out every in the communication connection being limited so that between user terminal and target BS
Average uplink transmission power in one wireless frame length is less than or equal to predetermined power;Specifically because the base station TDD is in advance by uplink and downlink
What duty ratio was set does not change usually, so the base station FDD is mainly needed to be changed the case where previous continuous uplink at this time,
The specific base station TDD needs to send the first uplink duty ratio preset first and gives the base station FDD, and the base station FDD is then according to the
The the second uplink duty ratio of itself is arranged in one uplink duty ratio, as long as the value of the second uplink duty ratio can be used with no restrictions
The average uplink transmission power of family terminal and two base stations in each wireless frame length for carrying out uplink information transmission can be less than
Equal to predetermined power;Most latter two base station generates respectively carries the ascending time slot being respectively correspondingly connected with and and scheduling information
Corresponding first scheduling agrees to that license and the second scheduling are agreed to be licensed to user terminal, so that user terminal is in suitable uplink
In the gap and base station TDD and the base station FDD carry out uplink information transmission, both ensure that the enhancing of uplink covering or have avoided user terminal
Uplink transmission power be unsatisfactory for SAR limit value.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram for the wireless frame length that the prior art provides;
Fig. 2 is a kind of flow diagram of the uplink method of dual link communication structure provided in an embodiment of the present invention;
Fig. 3 is the flow diagram of the uplink method of another dual link communication structure provided in an embodiment of the present invention;
Fig. 4 is the base station TDD provided in an embodiment of the present invention and FDD time slot comparison diagram;
Fig. 5 is a kind of schematic diagram of dual link communication structure provided in an embodiment of the present invention;
Fig. 6 is a kind of structural schematic diagram of the base station TDD provided in an embodiment of the present invention;
Fig. 7 is a kind of structural schematic diagram of the base station FDD provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It should be noted that in the embodiment of the present invention, " illustrative " or " such as " etc. words make example, example for indicating
Card or explanation.Be described as in the embodiment of the present invention " illustrative " or " such as " any embodiment or design scheme do not answer
It is interpreted than other embodiments or design scheme more preferably or more advantage.Specifically, " illustrative " or " example are used
Such as " word is intended to that related notion is presented in specific ways.
It should also be noted that, in the embodiment of the present invention, " (English: of) ", " corresponding (English:
Corresponding, relevant) " it sometimes can be mixed with " corresponding (English: corresponding) ", it should be pointed out that
It is that, when not emphasizing its difference, meaning to be expressed is consistent.
For the ease of clearly describing the technical solution of the embodiment of the present invention, in an embodiment of the present invention, use " the
One ", the printed words such as " second " distinguish function and the essentially identical identical entry of effect or similar item, and those skilled in the art can
To understand that the printed words such as " first ", " second " are not to be defined to quantity and execution order.
Firstly, to the present embodiments relate to relevant technical terms parse it is as follows:
SAR (Specific Absorption Rate, specific absorption rate), indicates that how many energy are inhaled by unit mass human body
It receives, unit is watts per kilogram (W/Kg), is when measuring user equipment transmitting wireless signal in UE design to human body radiation amount
One index.By taking user equipment is mobile phone as an example, different geographic regions are to the difference of measurement standard as defined in mobile phone SAR, for example, Europe
Continent is 1.6W/Kg to the measurement standard of mobile phone SAR;The U.S. and China are 2.0W/Kg to the measurement standard of mobile phone SAR.Work as mobile phone
Work needs to meet SAR measurement standard as defined in the region at above-mentioned geographic area.For example, work is in hand within Chinese territory
Machine, maximum SAR value of the work under any mode is no more than default SAR upper limit value, that is, 2.0W/Kg;In practice, eventually
As long as the design at end meets uplink transmission power (or average uplink power in the unit time) and is less than or equal to 23dBm,
It is less than above-mentioned SAR upper limit value to meet the SAR value of mobile phone terminal generation, it is described pre- in 23dBm i.e. the embodiment of the present invention
If power.
Uplink duty ratio refers to base station when carrying out time-domain resource configuration for terminal, and the corresponding duration of uplink time-domain resource exists
Ratio in each unit information transmission time (such as wireless frame length);Such as uplink duty ratio 25% indicates to believe in a unit
It ceases in transmission time, there is 25% time-domain resource to be configured as uplink time-domain resource.
Illustratively, shown in referring to Fig.1, the unit information transmission time between base station and terminal is generally wireless frame length,
One wireless frame length includes 10 subframes, and a subframe includes two time slots, and a time slot is then 0.5ms, each label in figure
A time slot is represented, since No. 1, each adjacent two is a subframe.
In dual link communication structure, a base station is the base station TDD using the TDD communication technology, another base station is to adopt
When with the base station FDD of FDD technology, existing uplink mode, which cannot meet SAR limit value while guaranteeing enhancing uplink covering, to be wanted
It asks.
In view of the above-mentioned problems, the embodiment of the present invention provides a kind of uplink method of dual link structure referring to shown in Fig. 2, packet
It includes:
201, user terminal sends scheduling application to target BS.
Specifically, target BS includes the base station TDD and the base station FDD because being dual link communication structure;Such as 5G dual link
In communication structure, including using the LTE base station of FDD and using the base station NR of TDD;It include uplink emission maximum function in scheduling application
Rate, i.e. user terminal attainable maximum uplink power in use.
202, target BS judges whether the uplink maximum transmission power in scheduling application is greater than predetermined power.
If so, 203 are executed, if it is not, executing 204.
Specifically, it is the maximum power for meeting SAR limit value that predetermined power, which is the corresponding uplink transmission power of SAR upper limit value,;
When target BS determines that uplink maximum transmission power is greater than predetermined power, illustrate that will appear user's terminal transmitting power does not meet
The case where SAR limit value, needs to adjust the uplink duty ratio between base station and user terminal so that in unit information transmission time
Average uplink transmission power is less than predetermined power;When target BS determines uplink maximum transmission power no more than predetermined power,
Illustrate not needing to adjust, be walked according to practical 3GPP agreement process.
203, the first preset first uplink duty ratio of connection is sent to the base station FDD by the base station TDD.
Wherein, first it is connected as the communication connection between user terminal and the base station TDD.
Illustratively, the first uplink duty ratio is greater than 0 and less than 50%.
204, uplink information transmission is carried out according to default 3GPP agreement between user terminal and target BS.
205, the second uplink duty ratio that the base station FDD is connected according to the first uplink duty ratio setting second, so that user is whole
The average uplink transmission power in each wireless frame length in communication connection between end and target BS is less than or equal to default function
Rate.
Illustratively, this step can be is required in the first connection and the second connection using maximum uplink with user terminal
Transmission power carries out that the second uplink duty ratio is arranged for the purpose of uplink information transmission, is also possible to according to actual user's terminal the
The uplink transmission power of the needs of one connection and the second connection is not do specific limit herein according to the second uplink duty ratio of setting
System, needs depending on actual requirement.
Wherein, second it is connected as the communication connection between user terminal and the base station FDD.
206, the first scheduling is agreed to that license and the second scheduling agree to that license is sent to use respectively by the base station TDD and the base station FDD
Family terminal, so that user terminal carries out uplink information biography to the corresponding target BS of target ascending time slot in target ascending time slot
It is defeated.
Wherein, the first scheduling agrees to that license is generated by the base station TDD according to scheduling application and the first uplink duty ratio, wherein wrapping
Contain corresponding first ascending time slot of the first uplink duty ratio;Second scheduling agree to license by the base station FDD according to scheduling application and
Second uplink duty ratio generates, including corresponding second ascending time slot of the second uplink duty ratio;Target ascending time slot includes
First ascending time slot and the second ascending time slot.
It illustratively, is in practice sequential for 20 time slots in each wireless frame length shown in referring to Fig.1
Number, so above-mentioned the first ascending time slot and the second ascending time slot are typically all to be sent to user's end in the form of number
End makes user terminal carry out transmitting uplink data in the corresponding time slot of number.
Technical solution provided by the above embodiment, the base station TDD of two kinds of different communication technologies of use in dual link structure
With the base station FDD after getting the uplink maximum transmission power of user terminal, its predetermined power corresponding with SAR upper limit value is made
Compare, if predetermined power is big, shows that the user terminal can not enhance downlink covering also just not by increasing uplink power
The case where in the presence of SAR limit value condition is unsatisfactory for;If uplink maximum transmission power is big, show that the mobile phone terminal exists using big
Power emission uplink signal leads to the case where being unsatisfactory for SAR limit value.Because SAR limit value, which is not required each moment, to be met,
The average uplink transmission power in the short time is only needed to meet SAR limit value, and the unit in base station and terminal communication process
Time is exactly wireless frame length, so it is required that the average uplink transmission power between terminal and base station in each wireless frame length is small
In predetermined power;So when mobile phone terminal, which exists, leads to the case where being unsatisfactory for SAR limit value using high-power transmitting uplink signal
When need to carry out the duty ratio connected between user terminal and two base stations to be limited so that user terminal and target BS it
Between communication connection in each wireless frame length in average uplink transmission power be less than or equal to predetermined power;Specifically because of TDD
Base station is not change what uplink and downlink duty ratio was set usually in advance, so mainly needing the base station FDD to previous continuous at this time
The case where uplink, is changed, and the specific base station TDD needs to send the first uplink duty ratio preset first and gives FDD base
It stands, the base station FDD is then arranged according to second uplink duty ratio of the first uplink duty ratio to itself, and the value of the second uplink duty ratio is not
As long as user terminal and two base stations can be obtained on average in each wireless frame length for carrying out uplink information transmission by being limited
Row transmission power can be less than or equal to predetermined power;Most latter two base station generate respectively carry respectively be correspondingly connected with it is upper
Row time slot and the first scheduling corresponding with scheduling information agree to that license and the second scheduling are agreed to be licensed to user terminal, so that user
Terminal carries out uplink information transmission with the base station TDD and the base station FDD in suitable ascending time slot, both ensure that uplink covering
Enhancing also avoids the uplink transmission power of user terminal from being unsatisfactory for SAR limit value.
Referring to shown in Fig. 3, the embodiment of the present invention also provides a kind of uplink method of dual link communication structure, as to above-mentioned
The supplementary explanation of embodiment, comprising:
301, user terminal sends scheduling application to target BS.
Wherein target BS includes Time Division Duplex TDD base station and the frequency division duplex base station base station FDD;Scheduling application includes uplink
Maximum transmission power and power-related parameter, power-related parameter include at least user terminal location.
302, target BS judges whether uplink maximum transmission power is greater than predetermined power.
If more than execution 303;If being not more than, 307 are executed.
Wherein, predetermined power is the corresponding uplink transmission power of SAR upper limit value.
303, target BS determines user terminal in the communication connection between target BS according to power-related parameter
Required target uplink transmission power.
Wherein, target uplink transmission power includes that user terminal is whole in the first uplink transmission power of the first connection and user
Hold the second uplink transmission power in the second connection.
304, the base station TDD generates the first power adjustment instruction according to the first uplink transmission power, and is sent to user terminal,
So that uplink transmission power of the user terminal in the first connection is the first uplink transmission power;The base station FDD is according to the second uplink
Transmission power generates the second power adjustment instruction, and is sent to user terminal, so that uplink of the user terminal in the second connection
Transmission power is the second uplink transmission power.
Specifically, because in practice, the transmission power of user terminal whether adjust be informed by base station, so in the presence of
303 and 304 steps.
305, target BS judges whether the sum of the first uplink transmission power and the second uplink transmission power are greater than default function
Rate.
If target BS determines that the sum of the first uplink transmission power and the second uplink transmission power are greater than predetermined power, hold
Row 306;If target BS determines the sum of the first uplink transmission power and the second uplink transmission power no more than predetermined power, hold
Row 307.
Specifically, because have in practice big transmission power function user terminal not necessarily will use it is high-power go into
Row transmitting uplink data;And the base station FDD can make base station receive user terminal and be directed to after being adjusted to uplink duty ratio
Downlink information sends the ACK/NACK of HARQ (Hybrid Automatic Repeat Request, hybrid automatic repeat-request)
When reply, can be than not limiting uplink sending time normally the case where, there are a fixed response times;So in order to more accurately determine base station
The adjustment opportunity of the uplink duty ratio connected between user terminal to avoid drawbacks described above, in addition to needing to carry out 302 steps
Judgement, it is also necessary to can just determine the need for being adjusted uplink duty ratio after carrying out 305 judgement, also avoid with
Family terminal has carried out uplink duty ratio case propagation delays adjusted when high-power carry out uplink information transmission is not used.
306, the first preset first uplink duty ratio of connection is sent to the base station FDD by the base station TDD.
Wherein, first it is connected as the communication connection between user terminal and the base station TDD.
307, uplink information transmission is carried out according to default 3GPP agreement between user terminal and target BS.
308, the base station FDD is according to the first uplink transmission power, the second uplink transmission power and the first uplink duty ratio, foundation
Preset formula calculates and the second uplink duty ratio is arranged, so that each in the communication connection between user terminal and target BS
Average uplink transmission power in wireless frame length is less than or equal to predetermined power.
Wherein, second it is connected as the communication connection between user terminal and the base station FDD;
Illustratively, preset formula are as follows:
Z2=(Pe-Z1*P1)/P2;
Wherein, Z2For the second uplink duty ratio, Z1For the first uplink duty ratio, PeFor predetermined power, P1For the first uplink hair
Penetrate power, P2For the second uplink transmission power;Because average uplink transmission power is equal to the first uplink duty ratio and the in practice
The sum of the product of one uplink transmission power and the second uplink duty ratio and the product of the second uplink transmission power, it is flat here for guaranteeing
It is the maximum value for meeting SAR limit value that equal uplink transmission power, which is predetermined power, so obtaining above-mentioned formula.
309, the base station TDD judges whether itself has available physical resources.
If so, executing 310 (3101 and 3102);If nothing, 301 are returned.
3101, the first scheduling is agreed to that license is sent to user terminal by the base station TDD, so that user terminal is in the first uplink
Uplink information transmission is carried out to the base station TDD in gap.
Wherein, the first scheduling agrees to that license is generated by the base station TDD according to scheduling application and the first uplink duty ratio, wherein wrapping
Contain corresponding first ascending time slot of the first uplink duty ratio;Illustratively, include in the first scheduling agreement license in practice
It is the preset numbers of the first ascending time slot.
3102, the base station TDD sends the first ascending time slot and gives the base station FDD.
311, the base station FDD judges whether itself has available physical resources.
If so, executing 312;If nothing, 301 are executed.
312, the base station FDD judge uplink maximum transmission power and the first uplink transmission power and the second uplink transmission power it
The size relation of sum, and the second ascending time slot is determined according to size relation, the first ascending time slot and the second uplink duty ratio.
Specifically, being greater than the general of uplink maximum transmission power when the base station TDD and the base station FDD determine that user terminal uses
Power carry out transmitting uplink data when, although on the first uplink duty ratio and the second uplink duty ratio calculated are corresponding
Row time slot may exist the ascending time slot of same time period, still, because certain when the uplink maximum transmission power of user terminal
, in the case where the uplink maximum transmission power for thering is the base station TDD to occupy more than half, if the setting of the base station FDD
Ascending time slot exist and the base station TDD ascending time slot be overlapped time slot, then will lead to user terminal have no idea to provide it is enough
Power for uplink information transmit, at this time just need the ascending time slot that two base stations are arranged is diverged to, i.e., the uplink of the base station FDD when
Gap is the descending time slot of the base station TDD.Illustratively, referring to shown in Fig. 4, in same 20 time slots of wireless frame length, the base station TDD is set
The ascending time slot (being indicated in figure with U, lower behavior D) set is five time slots of number 4,8,12,16,20, and the setting of the base station FDD
Ascending time slot is then five time slots of number 1,5,9,13,17;The ascending time slot of certain base station FDD can also be 2,6,10,14,
18 or other, as long as being ensured of the descending time slot of the base station TDD.
313, the base station FDD generates the second scheduling agreement license according to the second ascending time slot and scheduling application, and is sent to
To user terminal, so that user terminal carries out uplink information transmission to the base station FDD in the second ascending time slot.
The uplink method of dual link communication structure provided in an embodiment of the present invention is adjusted this method comprises: user terminal is sent
Degree application is to target BS;Target BS includes Time Division Duplex TDD base station and the frequency division duplex base station base station FDD;Scheduling application packet
Include uplink maximum transmission power;When target BS determines that uplink maximum transmission power is greater than predetermined power, the base station TDD is by first
It connects preset first uplink duty ratio and is sent to the base station FDD;First is connected as the communication link between user terminal and the base station TDD
It connects;Predetermined power is the corresponding uplink transmission power of SAR upper limit value;The base station FDD connects according to the first uplink duty ratio setting second
The the second uplink duty ratio connect, so that flat in each wireless frame length in communication connection between user terminal and target BS
Equal uplink transmission power is less than or equal to predetermined power;Second is connected as the communication connection between user terminal and the base station FDD;TDD
First scheduling is agreed to that license and the second scheduling agree to that license is sent to user terminal respectively by base station and the base station FDD, so that user
Terminal carries out uplink information transmission to target BS in target ascending time slot;First scheduling agree to license by the base station TDD according to
Scheduling application and the first uplink duty ratio generate, wherein including corresponding first ascending time slot of the first uplink duty ratio;Second
Scheduling agrees to that license is generated by the base station FDD according to scheduling application and the second uplink duty ratio, including the second uplink duty ratio
Corresponding second ascending time slot;Target ascending time slot includes the first ascending time slot and the second ascending time slot.The embodiment of the present invention mentions
The technical solution of confession, the base station TDD and the base station FDD of two kinds of different communication technologies of use in dual link structure are getting user
After the uplink maximum transmission power of terminal, its predetermined power corresponding with SAR upper limit value is made comparisons, if predetermined power is big,
Then show that the user terminal can not enhance downlink covering by increasing uplink power and also just be unsatisfactory for SAR limit value condition
The case where;If uplink maximum transmission power is big, show that the mobile phone terminal exists is caused using high-power transmitting uplink signal
The case where being unsatisfactory for SAR limit value.Because SAR limit value, which is not required each moment, to be met, it is only necessary to being averaged in the short time
Uplink transmission power meets SAR limit value, and the unit time in base station and terminal communication process is exactly wireless frame length, so
It is required that the average uplink transmission power between terminal and base station in each wireless frame length is less than predetermined power;So working as mobile phone
Terminal exists causes the case where being unsatisfactory for SAR limit value constantly to need to user terminal and two using high-power transmitting uplink signal
The duty ratio connected between base station carries out each nothing in the communication connection being limited so that between user terminal and target BS
Average uplink transmission power in line frame length is less than or equal to predetermined power;Specifically because the base station TDD is in advance by uplink and downlink duty
It is not changed usually than what is set, so mainly needing the base station FDD to be changed the case where previous continuous uplink at this time, specifically
The base station TDD need to send the first uplink duty ratio preset first and give the base station FDD, the base station FDD is then according on first
The the second uplink duty ratio of itself is arranged in row duty ratio, as long as the value of the second uplink duty ratio can obtain user's end with no restrictions
The average uplink transmission power of end and two base stations in each wireless frame length for carrying out uplink information transmission can be less than or equal to
Predetermined power;Most latter two base station generates respectively carries the ascending time slot being respectively correspondingly connected with and corresponding with scheduling information
First scheduling agree to license and second scheduling agree to be licensed to user terminal so that user terminal is in suitable ascending time slot
Uplink information transmission is carried out with the base station TDD and the base station FDD, both ensure that the enhancing of uplink covering or avoids the upper of user terminal
Row transmission power is unsatisfactory for SAR limit value.
Referring to Figure 5, the embodiment of the present invention provides a kind of dual link communication structure 01, including the base station TDD 02, FDD base
It stands 03 and user terminal 04.
Referring to shown in Fig. 6, the base station TDD 02 provided in an embodiment of the present invention includes: receiving module 61, processing module 62 and hair
Send module 63;
Receiving module 61, for receiving the scheduling application of the transmission of user terminal 04, scheduling application includes uplink emission maximum
Power;
It is preset when processing module 62 determines that the uplink maximum transmission power in the received scheduling application of receiving module 61 is greater than
When power, sending module 63, which is used to for the first preset first uplink duty ratio of connection being sent to, is in same with the base station TDD 02
The base station FDD 03 in dual link communication structure;First is connected as the communication connection between user terminal 04 and the base station TDD 02;In advance
If power is the corresponding uplink transmission power of SAR upper limit value;
Processing module 62 is also used to generate first according to the first uplink duty ratio and the received scheduling of receiving module 61 application
License is agreed in scheduling;First scheduling agrees to that license includes corresponding first ascending time slot of the first uplink duty ratio;
The first scheduling that sending module 63 is also used to generate processing module 62 agrees to that license is sent to user terminal 04, with
User terminal 04 is set to carry out uplink information transmission to the base station TDD 02 in the first ascending time slot.
Optionally, scheduling application further includes power-related parameter, and power-related parameter includes at least 04 position of user terminal;
Processing module 62 is also used to determine user according to the power-related parameter in the received scheduling application of receiving module 61
Required target uplink transmission power of the terminal 04 in the communication connection between target BS;Target BS includes TDD base
Stand the base station 02 and FDD 03, target uplink transmission power include user terminal 04 in the first uplink transmission power of the first connection and
Second uplink transmission power of the user terminal 04 in the second connection;
Processing module 62 is also used to generate the first power adjustment instruction according to the first uplink transmission power;
The first power adjustment instruction that sending module 63 is also used to generate processing module 62 is sent to user terminal 04, with
Make uplink transmission power first uplink transmission power of the user terminal 04 in the first connection;
When processing module 62 determines that the sum of the first uplink transmission power and the second uplink transmission power are greater than predetermined power,
Sending module 63 is also used to the first uplink duty ratio being sent to the base station FDD 03.
Optionally, sending module 63 agrees to that license is sent to user terminal 04 in the first scheduling for generating processing module 62
When, it is also used to the first scheduling agreeing to that the first ascending time slot in license is sent to the base station FDD 03.
Optionally, sending module 63 send processing module 62 generate first scheduling agree to be licensed to user terminal 04 it
Before, processing module 62 is also used to judge whether the base station TDD 02 has available physical resources;
When processing module 62 determines that there are available physical resources in the base station TDD 02, sending module 63 is used for the first scheduling is same
Meaning license is sent to user terminal 04.
Referring to shown in Fig. 7, the base station FDD 03 provided in an embodiment of the present invention includes: receiving module 71, processing module 72 and hair
Send module 73;
Receiving module 71, for receiving the scheduling application of the transmission of user terminal 04;Scheduling application includes uplink emission maximum
Power;
When processing module 72 determines 71 received uplink maximum transmission power of receiving module, receiving module 71 is also used to connect
Receive the first preset first uplink duty ratio of connection that the base station TDD 02 is sent;First is connected as user terminal 04 and the base station TDD 02
Between communication connection;Predetermined power is the corresponding uplink transmission power of SAR upper limit value;The base station the base station TDD 02 and FDD 03 is in
Same dual link communication structure;
The of the second connection of the first uplink duty ratio that processing module 72 is also used to be received according to receiving module 71 setting
Two uplink duty ratios, so that on average in each wireless frame length in communication connection between user terminal 04 and target BS
Row transmission power is less than or equal to predetermined power;Second is connected as the communication connection between user terminal 04 and the base station FDD 03;
Processing module 72 is also used to generate second according to the second uplink duty ratio and the received scheduling of receiving module 71 application
License is agreed in scheduling;Second scheduling agrees to that license includes corresponding second ascending time slot of the second uplink duty ratio;
The second scheduling that sending module 73 is also used to generate processing module 72 agrees to that license is sent to user terminal 04, with
User terminal 04 is set to carry out uplink information transmission to the base station FDD 03 in the second ascending time slot.
Optionally, scheduling application further includes power-related parameter, and power-related parameter includes at least 04 position of user terminal;
Processing module 72 is also used to determine user according to the power-related parameter in the received scheduling application of receiving module 71
Required target uplink transmission power of the terminal 04 in the communication connection between target BS;Target BS includes TDD base
Stand the base station 02 and FDD 03, target uplink transmission power include user terminal 04 in the first uplink transmission power of the first connection and
Second uplink transmission power of the user terminal 04 in the second connection;
Processing module 72 is also used to generate the second power adjustment instruction according to the second uplink transmission power;
The second power adjustment instruction that sending module 73 is also used to generate processing module 72 is sent to user terminal 04, with
Make uplink transmission power second uplink transmission power of the user terminal 04 in the second connection;
When processing module 72 determines that the sum of the first uplink transmission power and the second uplink transmission power are greater than predetermined power,
Receiving module 71 is also used to receive the first uplink duty ratio of the transmission of the base station TDD 02.
Optionally, processing module 72 is specifically used for:
According to the first uplink transmission power, the second uplink transmission power and the received first uplink duty of receiving module 71
Than calculating according to preset formula and the second uplink duty ratio being arranged.
Optionally, processing module 72 generates second according to the second uplink duty ratio and the received scheduling of receiving module 71 application
Before license is agreed in scheduling, receiving module 71 is also used to receive the first uplink duty ratio corresponding first of the transmission of the base station TDD 02
Ascending time slot;
Processing module 72 is specifically used for:
Judge the received uplink maximum transmission power of receiving module 71 and the first uplink transmission power and the transmitting of the second uplink
The size relation of the sum of power, and the first uplink received according to size relation, the second uplink duty ratio and receiving module 71
Time slot determines the second ascending time slot;
The second scheduling, which is generated, according to the scheduling application that the second ascending time slot and receiving module 71 receive agrees to license.
Optionally, sending module 73 send processing module 72 generate second scheduling agree to be licensed to user terminal 04 it
Before, processing module 72 is also used to judge whether the base station FDD 03 has available physical resources;
When processing module 72 determines that there are available physical resources in the base station FDD 03, sending module 73 is used for processing module 72
The second scheduling generated agrees to that license is sent to user terminal 04.
Dual link communication structure provided in an embodiment of the present invention because it includes the base station TDD provided by the above embodiment and
The base station FDD, so user terminal is when carrying out uplink information transmission, two kinds of different communications of the use in dual link structure first
The base station TDD and the base station FDD of technology are after getting the uplink maximum transmission power of user terminal, by itself and SAR upper limit value pair
The predetermined power answered is made comparisons, if predetermined power is big, shows that the user terminal can not enhance by increasing uplink power
The case where downlink covering is also just unsatisfactory for SAR limit value condition;If uplink maximum transmission power is big, show the mobile phone
Terminal exists and using high-power transmitting uplink signal leads to the case where being unsatisfactory for SAR limit value.Because SAR limit value is not required each
Moment will meet, it is only necessary to which the average uplink transmission power in the short time meets SAR limit value, and base station and terminal communicate
Unit time in the process is exactly wireless frame length, so it is required that between terminal and base station on average in each wireless frame length
Row transmission power is less than predetermined power;So causing to be unsatisfactory for SAR using high-power transmitting uplink signal when mobile phone terminal exists
The case where limit value, constantly needs to carry out being limited so that user terminal to the duty ratio connected between user terminal and two base stations
The average uplink transmission power in each wireless frame length in communication connection between target BS is less than or equal to predetermined power;
Specifically because the base station TDD is not change what uplink and downlink duty ratio was set usually in advance, the base station FDD is mainly needed at this time
The case where previous continuous uplink, is changed, the specific base station TDD needs to send the first uplink preset first and accounts for
Sky is than giving the base station FDD, and the base station FDD is then arranged according to second uplink duty ratio of the first uplink duty ratio to itself, the second uplink
As long as the value of duty ratio can obtain user terminal and two base stations in each radio frames for carrying out uplink information transmission with no restrictions
Average uplink transmission power in length can be less than or equal to predetermined power;Most latter two base station generates respectively to be carried respectively
The ascending time slot and the first scheduling corresponding with scheduling information being correspondingly connected with agree to that license and the second scheduling are agreed to be licensed to user
Terminal was both protected so that user terminal carries out uplink information transmission with the base station TDD and the base station FDD in suitable ascending time slot
The enhancing for having demonstrate,proved uplink covering also avoids the uplink transmission power of user terminal from being unsatisfactory for SAR limit value.
Those skilled in the art are it will be appreciated that in said one or multiple examples, function described in the invention
It can be realized with hardware, software, firmware or their any combination.It when implemented in software, can be by these functions
Storage in computer-readable medium or as on computer-readable medium one or more instructions or code transmitted.
Computer-readable medium includes computer storage media and communication media, and wherein communication media includes convenient for from a place to another
Any medium of one place transmission computer program.Storage medium can be general or specialized computer can access it is any
Usable medium.
Through the above description of the embodiments, it is apparent to those skilled in the art that, for description
It is convenienct and succinct, only the example of the division of the above functional modules, in practical application, can according to need and will be upper
It states function distribution to be completed by different functional modules, i.e., the internal structure of device is divided into different functional modules, to complete
All or part of function described above.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the module or unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation.Such as multiple units or components
It may be combined or can be integrated into another device, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.Unit can be or can also as illustrated by the separation member
Not to be physically separated, component shown as a unit can be a physical unit or multiple physical units, it can
It is in one place, or may be distributed over multiple and different places.Can select according to the actual needs part therein or
Person's whole unit achieves the purpose of the solution of this embodiment.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.If integrated unit with
The form of SFU software functional unit is realized and when sold or used as an independent product, can store and storage Jie can be read at one
In matter.Based on this understanding, the portion that the technical solution of the embodiment of the present application substantially in other words contributes to the prior art
Divide or all or part of the technical solution can be embodied in the form of software products, which is stored in one
In storage medium, including some instructions are used so that an equipment (can be single-chip microcontroller, chip etc.) or processor
(processor) it performs all or part of the steps of the method described in the various embodiments of the present invention.And storage medium above-mentioned includes:
The various media that can store program code such as USB flash disk, mobile hard disk, ROM, RAM, magnetic or disk.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (17)
1. a kind of uplink method of dual link communication structure characterized by comprising
User terminal sends scheduling application to target BS;The target BS includes Time Division Duplex TDD base station and frequency division duplex
The base station base station FDD;The scheduling application includes uplink maximum transmission power;
When the target BS determines that the uplink maximum transmission power is greater than predetermined power, the base station TDD connects first
It connects preset first uplink duty ratio and is sent to the base station FDD;Described first is connected as the user terminal and the TDD base
Communication connection between standing;The predetermined power is the corresponding uplink transmission power of SAR upper limit value;
The second uplink duty ratio that the base station FDD is connected according to the first uplink duty ratio setting second, so that the use
The average uplink transmission power in each wireless frame length in communication connection between family terminal and the target BS is less than etc.
In the predetermined power;Described second is connected as the communication connection between the user terminal and the base station FDD;
First scheduling is agreed to that license and the second scheduling agree to that license is sent to institute respectively by the base station TDD and the base station FDD
State user terminal so that the user terminal in the target ascending time slot to the corresponding target BS of the target time slot into
The transmission of row uplink information;
First scheduling agrees to that license is raw according to scheduling application and the first uplink duty ratio by the base station TDD
At wherein including corresponding first ascending time slot of the first uplink duty ratio;Second scheduling agrees to license by described
The base station FDD is generated according to scheduling application and the second uplink duty ratio, including the second uplink duty ratio pair
The second ascending time slot answered;The target ascending time slot includes first ascending time slot and second ascending time slot.
2. the uplink method of dual link communication structure according to claim 1, which is characterized in that the base station TDD is by
The one preset first uplink duty ratio of connection is sent to before the base station FDD further include:
The scheduling application further includes power-related parameter, and the power-related parameter includes at least the user terminal location;
The target BS determines that the user terminal is logical between the target BS according to the power-related parameter
Required target uplink transmission power in letter connection;The target uplink transmission power includes that the user terminal connects first
Second uplink transmission power of the first uplink transmission power and the user terminal connect in the second connection;
The base station TDD generates the first power adjustment instruction according to first uplink transmission power, and is sent to the user
Terminal, so that uplink transmission power of the user terminal in first connection is the first uplink transmission power;
The base station FDD generates the second power adjustment instruction according to second uplink transmission power, and is sent to the user
Terminal, so that uplink transmission power of the user terminal in second connection is the second uplink transmission power;
When the target BS determines that the sum of described first uplink transmission power and the second uplink transmission power are greater than described preset
When power, the first preset first uplink duty ratio of connection is sent to the base station FDD by the base station TDD.
3. the uplink method of dual link communication structure according to claim 2, which is characterized in that the base station FDD according to
The second uplink duty ratio that second connects is arranged in the first uplink duty ratio
The base station FDD is accounted for according to first uplink transmission power, second uplink transmission power and first uplink
Empty ratio calculates according to preset formula and the second uplink duty ratio is arranged.
4. the uplink method of dual link communication structure according to claim 2, which is characterized in that
When first scheduling is agreed to that license is sent to the user terminal by the base station TDD further include: the base station TDD sends institute
The first ascending time slot is stated to the base station FDD;
The base station FDD generates the second scheduling according to scheduling application and the second uplink duty ratio and agrees to that license includes:
The base station FDD judges that the uplink maximum transmission power and first uplink transmission power and second uplink are sent out
The size relation of the sum of power is penetrated, and according to the size relation, first ascending time slot and the second uplink duty ratio
Determine the second ascending time slot;
The base station FDD generates the second scheduling according to second ascending time slot and scheduling application and agrees to license.
5. the uplink method of dual link communication structure according to claim 1, which is characterized in that
The base station TDD sends the first scheduling and agrees to be licensed to before the user terminal further include: the base station the TDD judgement is certainly
Whether body has available physical resources, and when the base station TDD determines that itself has available physical resources, first scheduling is agreed to
License is sent to the user terminal;
The base station FDD sends the second scheduling and agrees to be licensed to before the user terminal further include: the base station the FDD judgement is certainly
Whether body has available physical resources, and when the base station FDD determines that itself has available physical resources, second scheduling is agreed to
License is sent to the user terminal.
6. the uplink method of dual link communication structure according to claim 1, which is characterized in that the preset formula are as follows:
Z2=(Pe-Z1*P1)/P2;
Wherein, Z2For the second uplink duty ratio, Z1For the first uplink duty ratio, PeFor the predetermined power, P1For institute
State the first uplink transmission power, P2For second uplink transmission power.
7. the uplink method of dual link communication structure according to claim 1, which is characterized in that the first uplink duty
Than being greater than 0 and less than 50%.
8. a kind of base station TDD, be applied in dual link communication structure characterized by comprising receiving module, processing module and
Sending module;
The receiving module, for receiving the scheduling application of user terminal transmission, the scheduling application includes uplink emission maximum
Power;
When the processing module determines that the uplink maximum transmission power in the received scheduling application of the receiving module is greater than
When predetermined power, the sending module is used to for the first preset first uplink duty ratio of connection being sent to and the base station TDD
The base station FDD in same dual link communication structure;Described first is connected as between the user terminal and the base station TDD
Communication connection;The predetermined power is the corresponding uplink transmission power of SAR upper limit value;
The processing module is also used to be generated according to the first uplink duty ratio and the received scheduling application of the receiving module
License is agreed in first scheduling;When first scheduling agrees to permit the first uplink corresponding including the first uplink duty ratio
Gap;
First scheduling that the sending module is also used to generate the processing module agrees to that license is sent to the user
Terminal, so that the user terminal carries out uplink information transmission to the base station TDD in first ascending time slot.
9. the base station TDD according to claim 8, which is characterized in that the scheduling application further includes power-related parameter, institute
Power-related parameter is stated including at least the user terminal location;
The processing module is also used to according to the power-related parameter determination in the received scheduling application of the receiving module
Required target uplink transmission power of the user terminal in the communication connection between target BS;The target BS includes
The base station TDD and the base station FDD, the target uplink transmission power include the user terminal the first of the first connection
The second uplink transmission power that uplink transmission power and the user terminal are connected second;
The processing module is also used to generate the first power adjustment instruction according to first uplink transmission power;
First power adjustment instruction that the sending module is also used to generate the processing module is sent to the user
Terminal, so that uplink transmission power of the user terminal in first connection is first uplink transmission power;
When the processing module determines that the sum of described first uplink transmission power and the second uplink transmission power are greater than described preset
When power, the sending module is also used to the first uplink duty ratio being sent to the base station FDD.
10. the base station TDD according to claim 8, which is characterized in that the sending module is generated by the processing module
First scheduling agree to license when being sent to the user terminal, be also used to agreeing to first scheduling into the institute in license
It states the first ascending time slot and is sent to the base station FDD.
11. the base station TDD according to claim 8, which is characterized in that it is raw to send the processing module in the sending module
At it is described first scheduling agree to be licensed to the user terminal before, the processing module is also used to judge the base station TDD
Whether available physical resources are had;
When the processing module determines that there are available physical resources in the base station TDD, the sending module is used for described first
Scheduling agrees to that license is sent to the user terminal.
12. a kind of base station FDD, which is characterized in that be applied to dual link communication structure in, comprising: receiving module, processing module and
Sending module;
The receiving module, for receiving the scheduling application of user terminal transmission;The scheduling application includes uplink emission maximum
Power;
When the processing module determines the received uplink maximum transmission power of the receiving module, the receiving module is also
For receiving the first preset first uplink duty ratio of connection of the base station TDD transmission;Described first is connected as the user terminal
Communication connection between the base station TDD;The predetermined power is the corresponding uplink transmission power of SAR upper limit value;The TDD
Base station and the base station FDD are in same dual link communication structure;
The of the second connection of the first uplink duty ratio that the processing module is also used to be received according to receiving module setting
Two uplink duty ratios, so that being averaged in each wireless frame length in communication connection between the user terminal and target BS
Uplink transmission power is less than or equal to the predetermined power;Described second is connected as between the user terminal and the base station FDD
Communication connection;
The processing module is also used to be generated according to the second uplink duty ratio and the received scheduling application of the receiving module
License is agreed in second scheduling;When second scheduling agrees to permit the second uplink corresponding including the second uplink duty ratio
Gap;
The second scheduling that the sending module is also used to generate the processing module agrees to that license is sent to the user terminal,
So that the user terminal carries out uplink information transmission to the base station FDD in second ascending time slot.
13. the base station FDD according to claim 12, which is characterized in that the scheduling application further includes power-related parameter,
The power-related parameter includes at least the user terminal location;
The processing module is also used to be determined according to the power-related parameter in the received scheduling application of the receiving module
Required target uplink transmission power of the user terminal in the communication connection between the target BS;The target
Base station includes the base station TDD and the base station FDD, and the target uplink transmission power includes that the user terminal connects first
Second uplink transmission power of the first uplink transmission power and the user terminal connect in the second connection;
The processing module is also used to generate the second power adjustment instruction according to second uplink transmission power;
Second power adjustment instruction that the sending module is also used to generate the processing module is sent to the user
Terminal, so that uplink transmission power of the user terminal in second connection is second uplink transmission power;
When the processing module determines the sum of first uplink transmission power and second uplink transmission power greater than described
When predetermined power, the receiving module is also used to receive the first uplink duty ratio that the base station TDD is sent.
14. the base station FDD according to claim 13, which is characterized in that the processing module is specifically used for:
According to first uplink transmission power, second uplink transmission power and received first uplink of the receiving module
Duty ratio calculates according to preset formula and the second uplink duty ratio is arranged.
15. the base station FDD according to claim 13, which is characterized in that the processing module is accounted for according to second uplink
Sky than and the receiving module received scheduling application generate before the second scheduling agreement permits, the receiving module is also used to connect
Receive corresponding first ascending time slot of the first uplink duty ratio that the base station TDD is sent;
The processing module is specifically used for:
Judge the received uplink maximum transmission power of the receiving module and first uplink transmission power and described the
The size relation of the sum of two uplink transmission powers, and according to the size relation, the second uplink duty ratio and the reception
First ascending time slot that module receives determines the second ascending time slot;
The second scheduling, which is generated, according to the scheduling application that second ascending time slot and the receiving module receive agrees to license.
16. the base station FDD according to claim 12, which is characterized in that send the processing module in the sending module
Second scheduling generated is agreed to be licensed to before the user terminal, and the processing module is also used to judge the FDD base
Whether stand has available physical resources;
When the processing module determines that there are available physical resources in the base station FDD, the sending module is used for the processing
Second scheduling that module generates agrees to that license is sent to the user terminal.
17. a kind of dual link communication structure characterized by comprising as the described in any item base stations TDD claim 8-11,
Such as the described in any item base stations FDD the claim 12-16 and user terminal.
Priority Applications (1)
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