CN106028452B - A kind of method and device configuring ascending-descending subframes - Google Patents
A kind of method and device configuring ascending-descending subframes Download PDFInfo
- Publication number
- CN106028452B CN106028452B CN201610344104.3A CN201610344104A CN106028452B CN 106028452 B CN106028452 B CN 106028452B CN 201610344104 A CN201610344104 A CN 201610344104A CN 106028452 B CN106028452 B CN 106028452B
- Authority
- CN
- China
- Prior art keywords
- ascending
- descending subframes
- rule
- bits proportion
- moment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/52—Allocation or scheduling criteria for wireless resources based on load
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The embodiment of the invention discloses a kind of method and devices based on TD-LTE configuration ascending-descending subframes, obtain the rule of pre-set configuration ascending-descending subframes；The ascending-descending subframes bits proportion is obtained, the ascending-descending subframes bits proportion includes the ascending-descending subframes bits proportion of the n-hour of default TTI；According to the ascending-descending subframes bits proportion and the rule configuration ascending-descending subframes, to by TDD be time-multiplexed base station include the interference environments such as the base station LAA and type of service measurement and feedback, the flexible of different community TDD ascending-descending subframes ratio, dynamic self-adapting configuration are realized in unauthorized frequency range, wireless communication resources service efficiency is improved to reach, TDD cell service optimization ability is enhanced, and improves the purpose of the efficiency of access net.
Description
Technical field
The present embodiments relate to field of communication technology more particularly to a kind of method and devices for configuring ascending-descending subframes.
Background technique
With the development of internet technology, message volume meeting sharp increase, type of service also can be more changeable.In LAA
In the environment of microcellular, due to intra-cell users negligible amounts, and with the development of data service, uplink and downlink business has
Paroxysmal feature is difficult between uplink and downlink business to keep a stable business proportion.In this case, existing static state
The mode of ascending-descending subframes configuration cannot well adapt to this business burst bring variation, be easy to cause the wave of resource
The characteristics of taking and the decline of spectrum efficiency, and the base station LAA can not be played well and advantage.For example, if when current
Downlink traffic is carved far more than upstream traffic, by sub-frame configuration is fixed form one according to traffic case, i.e.,
[DSUDDDSUDD], but greatly increased in the possible upstream traffic of subsequent time, considerably beyond downlink traffic, current subframe
Configuration cannot meet the requirement of transmission.In order to preferably solve the problems, such as that the sudden of business brings, a kind of minizone spirit is needed
Work, adaptively ascending-descending subframes configuration mode.
Summary of the invention
The purpose of the embodiment of the present invention is to propose a kind of method and device for configuring ascending-descending subframes, it is intended to which how is solution
The problem of realizing the flexible dynamic self-adapting configuration of different community TDD ascending-descending subframes ratio.
For this purpose, the embodiment of the present invention uses following technical scheme:
In a first aspect, a kind of method for configuring ascending-descending subframes, which comprises
The rule of pre-set configuration ascending-descending subframes is obtained, the rule includes according to ascending-descending subframes bits proportion
The rule of the relationship setting ascending-descending subframes of size between fixed reduced parameter, alternatively, including according to the ascending-descending subframes
The rule of bits proportion setting ascending-descending subframes；
The ascending-descending subframes bits proportion is obtained, the ascending-descending subframes bits proportion includes the n-hour of default TTI
Ascending-descending subframes bits proportion；
According to the ascending-descending subframes bits proportion and the rule configuration ascending-descending subframes.
It is preferably, described to obtain the ascending-descending subframes bits proportion, comprising:
Obtain uplink total bit number in the uplink caching of the n-hour of default TTI；；
Obtain downlink total bit number in the down buffer storage of the n-hour of default TTI；
The upper and lower of the n-hour of the default TTI is obtained according to the uplink total bit number and the downlink total bit number
Row subframe bits proportion.
Preferably, it is described according to the ascending-descending subframes bits proportion and it is described rule configuration ascending-descending subframes, comprising:
In the rule for according in the relationship setting of size between ascending-descending subframes bits proportion and fixed reduced parameter
In the case where the rule of downlink subframe, the ascending-descending subframes bits proportion and fixed comparison of the n-hour of the default TTI are compared
Parameter；
If the ascending-descending subframes bits proportion of the predetermined time is greater than the fixed reduced parameter, by the N+K moment
Subframe be set as sub-frame of uplink；
If the ascending-descending subframes bits proportion of the predetermined time is less than the fixed reduced parameter, by the N+K moment
Subframe be set as downlink subframe.
Preferably, the fixed reduced parameter is the ratio of the lamda value of uplink and downlink Poisson process, the lamda value
Ratio is lamda_ul/lamda_dl, and the lamda_ul is the lamda value in uplink Poisson process, and the lamda_dl is
Lamda value in downlink Poisson process.
It is preferably, described to obtain the ascending-descending subframes bits proportion, comprising:
Whether the n-hour for determining default TTI was the first moment；
If so, the subframe at the first moment of initialization is sub-frame of uplink or downlink subframe；
If not, it is determined that whether the n-hour of the default TTI is L*j+2, and j is natural number, and L is that the period is reconfigured in subframe；
If it is not, then continuing to return to execute the step of whether n-hour of the default TTI is L*j+2 determined；
If so, obtaining the ascending-descending subframes bits proportion at the L*j+2 moment.
Preferably, it is described according to the ascending-descending subframes bits proportion and it is described rule configuration ascending-descending subframes, comprising:
It is that the rule of ascending-descending subframes is set according to the ascending-descending subframes bits proportion in the rule, then according to
The ascending-descending subframes bits proportion at L*j+2 moment configures uplink and downlink at the L*j+2+K moment to L*j+t+2+K-1 moment
Frame bits proportion, t are the number for each period subframe being reconfigured.
Preferably, it is described according to the ascending-descending subframes bits proportion and it is described rule configuration ascending-descending subframes, comprising:
It is that the rule of ascending-descending subframes is set according to the ascending-descending subframes bits proportion in the rule, by L*j+2+K
The sub-frame of uplink and downlink subframe at a moment to L*j+t+2+K-1 moment continuously configure, and t is that subframe is reconfigured each period
Number.
Second aspect, a kind of device configuring ascending-descending subframes, described device include:
First obtains module, and for obtaining the rule of pre-set configuration ascending-descending subframes, the rule includes basis
The rule of the relationship setting ascending-descending subframes of size between ascending-descending subframes bits proportion and fixed reduced parameter, alternatively, including
The rule of ascending-descending subframes is set according to the ascending-descending subframes bits proportion；
Second obtains module, for obtaining the ascending-descending subframes bits proportion, the ascending-descending subframes bits proportion packet
Include the ascending-descending subframes bits proportion of the n-hour of default TTI；
Configuration module, for according to the ascending-descending subframes bits proportion and the rule configuration ascending-descending subframes.
Preferably, described second module is obtained, is used for:
Obtain uplink total bit number in the uplink caching of the n-hour of default TTI；；
Obtain downlink total bit number in the down buffer storage of the n-hour of default TTI；
The upper and lower of the n-hour of the default TTI is obtained according to the uplink total bit number and the downlink total bit number
Row subframe bits proportion.
Preferably, the configuration module, is used for:
In the rule for according in the relationship setting of size between ascending-descending subframes bits proportion and fixed reduced parameter
In the case where the rule of downlink subframe, the ascending-descending subframes bits proportion and fixed comparison of the n-hour of the default TTI are compared
Parameter；
If the ascending-descending subframes bits proportion of the predetermined time is greater than the fixed reduced parameter, by the N+K moment
Subframe be set as sub-frame of uplink；
If the ascending-descending subframes bits proportion of the predetermined time is less than the fixed reduced parameter, by the N+K moment
Subframe be set as downlink subframe.
Preferably, the fixed reduced parameter is the ratio of the lamda value of uplink and downlink Poisson process, the lamda value
Ratio is lamda_ul/lamda_dl, and the lamda_ul is the lamda value in uplink Poisson process, and the lamda_dl is
Lamda value in downlink Poisson process.
Preferably, described second module is obtained, is used for:
Whether the n-hour for determining default TTI was the first moment；
If so, the subframe at the first moment of initialization is sub-frame of uplink or downlink subframe；
If not, it is determined that whether the n-hour of the default TTI is L*j+2, and j is natural number, and L is that the period is reconfigured in subframe；
If it is not, then continuing to return to execute the step of whether n-hour of the default TTI is L*j+2 determined；
If so, obtaining the ascending-descending subframes bits proportion at the L*j+2 moment.
Preferably, the configuration module, is used for:
It is that the rule of ascending-descending subframes is set according to the ascending-descending subframes bits proportion in the rule, then according to
The ascending-descending subframes bits proportion at L*j+2 moment configures uplink and downlink at the L*j+2+K moment to L*j+t+2+K-1 moment
Frame bits proportion, t are the number for each period subframe being reconfigured.
Preferably, the configuration module, is used for:
It is that the rule of ascending-descending subframes is set according to the ascending-descending subframes bits proportion in the rule, by L*j+2+K
The sub-frame of uplink and downlink subframe at a moment to L*j+t+2+K-1 moment continuously configure, and t is that subframe is reconfigured each period
Number.
The embodiment of the present invention provides a kind of method and device based on TD-LTE configuration ascending-descending subframes, and acquisition is preset
Configuration ascending-descending subframes rule, the rule includes according to big between ascending-descending subframes bits proportion and fixed reduced parameter
The rule of small relationship setting ascending-descending subframes, alternatively, including that uplink and downlink is arranged according to the ascending-descending subframes bits proportion
The rule of frame；The ascending-descending subframes bits proportion is obtained, when the ascending-descending subframes bits proportion includes the N of default TTI
The ascending-descending subframes bits proportion at quarter；Ascending-descending subframes are configured according to the ascending-descending subframes bits proportion and the rule, from
And by including the measurement and feedback of the interference environments such as the base station LAA and type of service to TDD time division multiplexing base station, unauthorized
The flexible of different community TDD ascending-descending subframes ratio, dynamic self-adapting configuration are realized in frequency range, to reach raising wireless communication
Resource utilization enhances TDD cell service optimization ability, and improves the purpose of the efficiency of access net.
Detailed description of the invention
Fig. 1 is that a kind of process of the method first embodiment based on TD-LTE configuration ascending-descending subframes of the embodiment of the present invention is shown
It is intended to；
Fig. 2 is that a kind of process of the method second embodiment based on TD-LTE configuration ascending-descending subframes of the embodiment of the present invention is shown
It is intended to；
Fig. 3 is that a kind of process of the method 3rd embodiment based on TD-LTE configuration ascending-descending subframes of the embodiment of the present invention is shown
It is intended to；
Fig. 4 is that a kind of process of the method fourth embodiment based on TD-LTE configuration ascending-descending subframes of the embodiment of the present invention is shown
It is intended to；
Fig. 5 is that a kind of process of the 5th embodiment of method based on TD-LTE configuration ascending-descending subframes of the embodiment of the present invention is shown
It is intended to；
Fig. 6 is the functional block diagram of the device of configuration ascending-descending subframes of the embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this
Locate described specific embodiment and is used only for explaining the embodiment of the present invention, rather than the restriction to the embodiment of the present invention.In addition also
It should be noted that only parts related to embodiments of the present invention are shown rather than entire infrastructure for ease of description, in attached drawing.
Embodiment one
It is a kind of method first embodiment based on TD-LTE configuration ascending-descending subframes of the embodiment of the present invention with reference to Fig. 1, Fig. 1
Flow diagram.
In example 1, the method based on TD-LTE configuration ascending-descending subframes includes:
Step 101, the rule of pre-set configuration ascending-descending subframes is obtained, the rule includes according to ascending-descending subframes
The rule of the relationship setting ascending-descending subframes of size between bits proportion and fixed reduced parameter, alternatively, including according on described
The rule of downlink subframe bits proportion setting ascending-descending subframes；
Specifically, slow by the n-hour uplink caching bit number scheduler_buffer_ul and downlink for presetting TTI
The ratio for depositing bit number scheduler_buffer_dl is compared with preset parameter, determines the TTI subframe at the N+4 moment
Situation.
In addition, will cause because each TTI can carry out subframe dynamic configuration and only configure the subframe of a TTI every time
The continuous U subframe of a very long time or the configuring condition of continuous D subframe.Therefore, in improvement project, count default TTI's
N-hour uplink caches bit number scheduler_buffer_ul's and down buffer storage bit number scheduler_buffer_dl
Ratio, by the proportional arrangement of n-hour using 10 TTI as period assignment subframe and ascending-descending subframes ratio, it is possible to reduce even U/
Even the case where D.
Step 102, the ascending-descending subframes bits proportion is obtained, the ascending-descending subframes bits proportion includes default TTI
N-hour ascending-descending subframes bits proportion；
Specifically, ascending-descending subframes bits proportion are as follows: uplink caches bit number/down buffer storage bit number.
Step 103, according to the ascending-descending subframes bits proportion and the rule configuration ascending-descending subframes.
Specifically, configuring the TTI subframe bits proportion at the N+4 moment to the TTI subframe bits proportion of n-hour；
Alternatively, configuring N+4 to N+13 this 10 TTI subframe bits proportions to the TTI subframe bits proportion of n-hour.
The embodiment of the present invention provides a kind of method based on TD-LTE configuration ascending-descending subframes, obtains pre-set configuration
The rule of ascending-descending subframes, the rule include the pass according to size between ascending-descending subframes bits proportion and fixed reduced parameter
The rule of system's setting ascending-descending subframes, alternatively, including the rule that ascending-descending subframes are arranged according to the ascending-descending subframes bits proportion
Then；The ascending-descending subframes bits proportion is obtained, the ascending-descending subframes bits proportion includes the upper of the n-hour of default TTI
Downlink subframe bits proportion；According to the ascending-descending subframes bits proportion and the rule configuration ascending-descending subframes, to pass through
It include the measurement and feedback of the interference environments such as the base station LAA and type of service to TDD time division multiplexing base station, in unauthorized frequency range
It realizes the flexible of different community TDD ascending-descending subframes ratio, dynamic self-adapting configuration, makes to reach and improve wireless communication resources
With efficiency, TDD cell service optimization ability is enhanced, and improves the purpose of the efficiency of access net.
Embodiment two
It is a kind of method second embodiment based on TD-LTE configuration ascending-descending subframes of the embodiment of the present invention with reference to Fig. 2, Fig. 2
Flow diagram.
In example 2, the method based on TD-LTE configuration ascending-descending subframes includes:
Step 201, the rule of pre-set configuration ascending-descending subframes is obtained, the rule includes according to ascending-descending subframes
The rule of the relationship setting ascending-descending subframes of size between bits proportion and fixed reduced parameter；
Specifically, slow by the n-hour uplink caching bit number scheduler_buffer_ul and downlink for presetting TTI
The ratio for depositing bit number scheduler_buffer_dl is compared with preset parameter, determines the TTI subframe at the N+4 moment
Situation.
Step 202, the ascending-descending subframes bits proportion is obtained, the ascending-descending subframes bits proportion includes default TTI
N-hour ascending-descending subframes bits proportion；
It is preferably, described to obtain the ascending-descending subframes bits proportion, comprising:
Obtain uplink total bit number in the uplink caching of the n-hour of default TTI；
Obtain downlink total bit number in the down buffer storage of the n-hour of default TTI；
The upper and lower of the n-hour of the default TTI is obtained according to the uplink total bit number and the downlink total bit number
Row subframe bits proportion.
Specifically, ascending-descending subframes bits proportion are as follows: uplink caches bit number/down buffer storage bit number.
Step 203, according to the ascending-descending subframes bits proportion and the rule configuration ascending-descending subframes.
Preferably, it is described according to the ascending-descending subframes bits proportion and it is described rule configuration ascending-descending subframes, comprising:
In the rule for according in the relationship setting of size between ascending-descending subframes bits proportion and fixed reduced parameter
In the case where the rule of downlink subframe, the ascending-descending subframes bits proportion and fixed comparison of the n-hour of the default TTI are compared
Parameter；
If the ascending-descending subframes bits proportion of the predetermined time is greater than the fixed reduced parameter, by the N+K moment
Subframe be set as sub-frame of uplink；
If the ascending-descending subframes bits proportion of the predetermined time is less than the fixed reduced parameter, by the N+K moment
Subframe be set as downlink subframe.
Wherein, the fixed reduced parameter is the ratio of the lamda value of uplink and downlink Poisson process, the ratio of the lamda value
Example is lamda_ul/lamda_dl, and the lamda_ul is the lamda value in uplink Poisson process, under the lamda_dl is
Lamda value in row Poisson process.
Specifically, the ascending-descending subframes under the base station LAA are all initialized as DL frame at the TTI=1 moment.Later each
The initial time of TII reconfigures ascending-descending subframes according to current TTI uplink and downlink total bit number to be passed.
From the TTI=2 moment, the caching of the UE uplink under each base station LAA is counted respectively in the initial time of each TTI later
Bit number and down buffer storage bit number to be passed to be passed, by uplink and downlink total bit number to be passed compared to a ratio UL/DL is obtained, then
This ratio UL/DL and a reduced parameter m are compared.If ratio UL/DL >=reduced parameter m, then by the N+4 TTI
The subframe at moment is set as UL (N indicates current TTI)；If this ratio UL/DL < reduced parameter m, N+4TTI subframe is kept not
Become, is still DL.For the value of this reduced parameter m size, it can be taken as the ratio of the lamda value of uplink and downlink Poisson process,
That is lamda_ul/lamda_dl.
The embodiment of the present invention provides a kind of method based on TD-LTE configuration ascending-descending subframes, obtains pre-set configuration
The rule of ascending-descending subframes, the rule include the pass according to size between ascending-descending subframes bits proportion and fixed reduced parameter
The rule of system's setting ascending-descending subframes；The ascending-descending subframes bits proportion is obtained, the ascending-descending subframes bits proportion includes
The ascending-descending subframes bits proportion of the n-hour of default TTI；According to the ascending-descending subframes bits proportion and the rule configuration
Ascending-descending subframes, thus by TDD be time-multiplexed base station include the interference environments such as the base station LAA and type of service measurement and
Feedback realizes the flexible of different community TDD ascending-descending subframes ratio, dynamic self-adapting configuration, to reach in unauthorized frequency range
To wireless communication resources service efficiency is improved, TDD cell service optimization ability is enhanced, and improves the mesh of the efficiency of access net
's.
Embodiment three
It is a kind of method 3rd embodiment based on TD-LTE configuration ascending-descending subframes of the embodiment of the present invention with reference to Fig. 3, Fig. 3
Flow diagram.
In the third embodiment, the method based on TD-LTE configuration ascending-descending subframes includes:
Step 301, the rule of pre-set configuration ascending-descending subframes is obtained, the rule includes according to the uplink and downlink
The rule of subframe bits proportion setting ascending-descending subframes；
Specifically, counting total bit number scheduler_buffer_ to be passed in the n-hour uplink caching of default TTI
The ratio of total bit number scheduler_buffer_dl to be passed in ul and down buffer storage, according to the uplink and downlink bit of n-hour
Ratio is using 10 TTI as period assignment subframe, it is possible to reduce the case where even U/ connects D.
Step 302, the ascending-descending subframes bits proportion is obtained, the ascending-descending subframes bits proportion includes default TTI
N-hour ascending-descending subframes bits proportion；
It is preferably, described to obtain the ascending-descending subframes bits proportion, comprising:
Whether the n-hour for determining default TTI was the first moment；
If so, the subframe at the first moment of initialization is sub-frame of uplink or downlink subframe；
If not, it is determined that whether the n-hour of the default TTI is L*j+2, and j is natural number, and L is that the period is reconfigured in subframe；
If it is not, then continuing to return to execute the step of whether n-hour of the default TTI is L*j+2 determined；
If so, obtaining the ascending-descending subframes bits proportion at the L*j+2 moment.
Step 303, according to the ascending-descending subframes bits proportion and the rule configuration ascending-descending subframes.
Preferably, it is described according to the ascending-descending subframes bits proportion and it is described rule configuration ascending-descending subframes, comprising:
It is that the rule of ascending-descending subframes is set according to the ascending-descending subframes bits proportion in the rule, then according to
The ascending-descending subframes bits proportion at L*j+2 moment configures uplink and downlink at the L*j+2+K moment to L*j+t+2+K-1 moment
Frame bits proportion, t are the number for each period subframe being reconfigured.
Wherein, t can be 10.
Preferably, it is described according to the ascending-descending subframes bits proportion and it is described rule configuration ascending-descending subframes, comprising:
It is that the rule of ascending-descending subframes is set according to the ascending-descending subframes bits proportion in the rule, by L*j+2+K
The sub-frame of uplink and downlink subframe at a moment to L*j+t+2+K-1 moment continuously configure, and t is that subframe is reconfigured each period
Number.
Specifically, the ascending-descending subframes under the base station LAA are all set to DL frame at the TTI=1 moment first.Later every
10 TII times are according to the ratio of the base station LAA subordinate's UE uplink and downlink total bit number to be passed to the subframe of ten TTI after N+4
It is reconfigured in this ratio.
From the TTI=2 moment, affiliated UE ascending-descending subframes under each base station LAA are counted respectively every 10 TTI moment later
Bits proportion: uplink caches bit number/down buffer storage bit number, and the N+4 TTI is configured according to ascending-descending subframes bits proportion
The case where ten subframes later.According to ascending-descending subframes bits proportion and dynamic subframe allocation window size, dynamic here
Sub-frame configuration length of window is 10TTI, therefore devises 11 kinds of dynamic subframe allocation window configuring conditions in total, respectively
[DDDDDDDDDD][DDDDDDDDDU][DDDDDDDDUU][DDDDDDDUUU][DDDDDDUUUU][DDDDDUUUUU]
[DDDDUUUUUU][DDDUUUUUUU][DDUUUUUUUU][DUUUUUUUUU][UUUUUUUUUU].Such as: current TTI=2
When ratio UL/DL be 2/3, then by the 6 to 15th sub-frame configuration be [DDDDDDUUUU], later the 12TTI moment according to
Current uplink and downlink total bit number ratio configures the subframe at the 16 to 25th TTI moment, and so on.
A kind of method based on TD-LTE configuration ascending-descending subframes provided in an embodiment of the present invention, obtains pre-set match
The rule of ascending-descending subframes is set, the rule includes that the rule of ascending-descending subframes are arranged according to the ascending-descending subframes bits proportion
Then, the ascending-descending subframes bits proportion is obtained, the ascending-descending subframes bits proportion includes the upper of the n-hour of default TTI
Downlink subframe bits proportion, according to the ascending-descending subframes bits proportion and the rule configuration ascending-descending subframes, by n-hour
Proportional arrangement using 10 TTI as period assignment subframe and ascending-descending subframes ratio, it is possible to reduce even U/ the case where connecting D.
Example IV
It is a kind of method fourth embodiment based on TD-LTE configuration ascending-descending subframes of the embodiment of the present invention with reference to Fig. 4, Fig. 4
Flow diagram.
In example IV, the method based on TD-LTE configuration ascending-descending subframes includes:
Step 401, judge whether it is first TTI；
Step 402, if so, each TTI subframe is both configured to DL；
Step 403, if it is not, then TTI=TTI+1；
Step 404, calculate the current TTI moment cache bit number, cache bit number uplink and downlink total bit number ratio M；
Step 405, judge that M is more than or equal to reduced parameter m；
Step 406, if so, setting UL for the subframe of the N+4 TTI；
Step 407, if it is not, then setting DL for the subframe of the N+4 TTI.
Step 408, it is stored in variable total_TDD_pattern, returns to step 403.
Embodiment five
It is a kind of the 5th embodiment of method based on TD-LTE configuration ascending-descending subframes of the embodiment of the present invention with reference to Fig. 5, Fig. 5
Flow diagram.
In embodiment five, the method based on TD-LTE configuration ascending-descending subframes includes:
Step 501, judge whether it is first TTI；
Step 502, if so, each TTI subframe is both configured to DL；
Step 503, if it is not, then judging TTI=10n+2 (n is positive integer)；
Step 504, if it is not, then by TTI=TTI+1 and returning to step 503；
Step 505, if so, the uplink and downlink total bit number ratio for calculating current TTI moment transmitted bit number, caching bit number
Example M；
Step 506, the sub-frame configuration of this 10 TTI of TTI+4 to TTI+13 is configured according to ratio M；
Step 507, the TTI of subframe and initialization with TTI+4 to TTI+13 this 10 TTI postponed is stored into change
In amount total_TDD_pattern and return to step 504.
Embodiment six
It is the functional block diagram of the device of configuration ascending-descending subframes of the embodiment of the present invention with reference to Fig. 6, Fig. 6.
In embodiment six, the device of the configuration ascending-descending subframes includes:
First obtains module 601, and for obtaining the rule of pre-set configuration ascending-descending subframes, the rule includes root
According to the rule of the relationship setting ascending-descending subframes of size between ascending-descending subframes bits proportion and fixed reduced parameter, alternatively, packet
Include the rule that ascending-descending subframes are set according to the ascending-descending subframes bits proportion；
Second obtains module 602, for obtaining the ascending-descending subframes bits proportion, the ascending-descending subframes bits proportion
Ascending-descending subframes bits proportion including presetting the n-hour of TTI；
Preferably, described second module 602 is obtained, is used for:
Obtain uplink total bit number in the uplink caching of the n-hour of default TTI；；
Obtain downlink total bit number in the down buffer storage of the n-hour of default TTI；
The upper and lower of the n-hour of the default TTI is obtained according to the uplink total bit number and the downlink total bit number
Row subframe bits proportion.
Preferably, described second module 602 is obtained, is used for:
Whether the n-hour for determining default TTI was the first moment；
If so, the subframe at the first moment of initialization is sub-frame of uplink or downlink subframe；
If not, it is determined that whether the n-hour of the default TTI is L*j+2, and j is natural number, and L is that the period is reconfigured in subframe；
If it is not, then continuing to return to execute the step of whether n-hour of the default TTI is L*j+2 determined；
If so, obtaining the ascending-descending subframes bits proportion at the L*j+2 moment.
Configuration module 603, for according to the ascending-descending subframes bits proportion and the rule configuration ascending-descending subframes.
Preferably, the configuration module 603, is used for:
In the rule for according in the relationship setting of size between ascending-descending subframes bits proportion and fixed reduced parameter
In the case where the rule of downlink subframe, the ascending-descending subframes bits proportion and fixed comparison of the n-hour of the default TTI are compared
Parameter；
If the ascending-descending subframes bits proportion of the predetermined time is greater than the fixed reduced parameter, by the N+K moment
Subframe be set as sub-frame of uplink；
If the ascending-descending subframes bits proportion of the predetermined time is less than the fixed reduced parameter, by the N+K moment
Subframe be set as downlink subframe.
Wherein, the fixed reduced parameter is the ratio of the lamda value of uplink and downlink Poisson process, the ratio of the lamda value
Example is lamda_ul/lamda_dl, and the lamda_ul is the lamda value in uplink Poisson process, under the lamda_dl is
Lamda value in row Poisson process.
Preferably, the configuration module 603, is used for:
It is that the rule of ascending-descending subframes is set according to the ascending-descending subframes bits proportion in the rule, then according to
The ascending-descending subframes bits proportion at L*j+2 moment configures uplink and downlink at the L*j+2+K moment to L*j+t+2+K-1 moment
Frame bits proportion, t are the number for each period subframe being reconfigured.
Preferably, the configuration module 603, is used for:
It is that the rule of ascending-descending subframes is set according to the ascending-descending subframes bits proportion in the rule, by L*j+2+K
The sub-frame of uplink and downlink subframe at a moment to L*j+t+2+K-1 moment continuously configure, and t is that subframe is reconfigured each period
Number.
The embodiment of the present invention provides a kind of device based on TD-LTE configuration ascending-descending subframes, obtains pre-set configuration
The rule of ascending-descending subframes, the rule include the pass according to size between ascending-descending subframes bits proportion and fixed reduced parameter
The rule of system's setting ascending-descending subframes, alternatively, including the rule that ascending-descending subframes are arranged according to the ascending-descending subframes bits proportion
Then；The ascending-descending subframes bits proportion is obtained, the ascending-descending subframes bits proportion includes the upper of the n-hour of default TTI
Downlink subframe bits proportion；According to the ascending-descending subframes bits proportion and the rule configuration ascending-descending subframes, to pass through
It include the measurement and feedback of the interference environments such as the base station LAA and type of service to TDD time division multiplexing base station, in unauthorized frequency range
It realizes the flexible of different community TDD ascending-descending subframes ratio, dynamic self-adapting configuration, makes to reach and improve wireless communication resources
With efficiency, TDD cell service optimization ability is enhanced, and improves the purpose of the efficiency of access net.
Describe the technical principle of the embodiment of the present invention in conjunction with specific embodiments above.These descriptions are intended merely to explain this
The principle of inventive embodiments, and it cannot be construed to the limitation to protection scope of the embodiment of the present invention in any way.Based on herein
Explanation, those skilled in the art, which does not need to pay for creative labor, can associate the other specific of the embodiment of the present invention
Embodiment, these modes are fallen within the protection scope of the embodiment of the present invention.
Claims (6)
1. a method of ascending-descending subframes are configured based on TD-LTE, which is characterized in that the described method includes:
The rule of pre-set configuration ascending-descending subframes is obtained, the rule includes according to the ascending-descending subframes bits proportion
The rule of ascending-descending subframes is set；
The ascending-descending subframes bits proportion is obtained, the ascending-descending subframes bits proportion includes the upper of the n-hour of default TTI
Downlink subframe bits proportion；
According to the ascending-descending subframes bits proportion and the rule configuration ascending-descending subframes；
It is wherein, described to obtain the ascending-descending subframes bits proportion, comprising:
Whether the n-hour for determining default TTI was the first moment；
If so, the subframe at the first moment of initialization is sub-frame of uplink or downlink subframe；
If not, it is determined that whether the n-hour of the default TTI is L*j+2, and j is natural number, and L is that the period is reconfigured in subframe；
If it is not, then continuing to return to execute the step of whether n-hour of the default TTI is L*j+2 determined；
If so, obtaining the ascending-descending subframes bits proportion at the L*j+2 moment.
2. the method according to claim 1, wherein described according to the ascending-descending subframes bits proportion and described
Rule configuration ascending-descending subframes, comprising:
It is that the rule of ascending-descending subframes is set according to the ascending-descending subframes bits proportion in the rule, then according to the L*j+
The ascending-descending subframes ratio at ascending-descending subframes bits proportion configuration the L*j+2+K moment to the L*j+t+2+K-1 moment at 2 moment
Special ratio, t are the number for each period subframe being reconfigured, and K is positive integer.
3. the method according to claim 1, wherein described according to the ascending-descending subframes bits proportion and described
Rule configuration ascending-descending subframes, comprising:
It is that the rule of ascending-descending subframes is set according to the ascending-descending subframes bits proportion in the rule, when by L*j+2+K
It carves to the sub-frame of uplink at L*j+t+2+K-1 moment and downlink subframe and continuously configures, t is the number of reconfiguration of each period subframe, K
For positive integer.
4. a kind of device for configuring ascending-descending subframes, which is characterized in that described device includes:
First obtains module, and for obtaining the rule of pre-set configuration ascending-descending subframes, the rule includes according to
The rule of ascending-descending subframes bits proportion setting ascending-descending subframes；
Second obtains module, and for obtaining the ascending-descending subframes bits proportion, the ascending-descending subframes bits proportion includes pre-
If the ascending-descending subframes bits proportion of the n-hour of TTI；
Configuration module, for according to the ascending-descending subframes bits proportion and the rule configuration ascending-descending subframes；
Wherein, described second module is obtained, is specifically used for:
Whether the n-hour for determining default TTI was the first moment；
If so, the subframe at the first moment of initialization is sub-frame of uplink or downlink subframe；
If not, it is determined that whether the n-hour of the default TTI is L*j+2, and j is natural number, and L is that the period is reconfigured in subframe；
If it is not, then continuing to return to execute the step of whether n-hour of the default TTI is L*j+2 determined；
If so, obtaining the ascending-descending subframes bits proportion at the L*j+2 moment.
5. device according to claim 4, which is characterized in that the configuration module is used for:
It is that the rule of ascending-descending subframes is set according to the ascending-descending subframes bits proportion in the rule, then according to the L*j+
The ascending-descending subframes ratio at ascending-descending subframes bits proportion configuration the L*j+2+K moment to the L*j+t+2+K-1 moment at 2 moment
Special ratio, t are the number for each period subframe being reconfigured, and K is positive integer.
6. device according to claim 4, which is characterized in that the configuration module is used for:
It is that the rule of ascending-descending subframes is set according to the ascending-descending subframes bits proportion in the rule, when by L*j+2+K
It carves to the sub-frame of uplink at L*j+t+2+K-1 moment and downlink subframe and continuously configures, t is the number of reconfiguration of each period subframe, K
For positive integer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610344104.3A CN106028452B (en) | 2016-05-23 | 2016-05-23 | A kind of method and device configuring ascending-descending subframes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610344104.3A CN106028452B (en) | 2016-05-23 | 2016-05-23 | A kind of method and device configuring ascending-descending subframes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106028452A CN106028452A (en) | 2016-10-12 |
| CN106028452B true CN106028452B (en) | 2019-10-22 |
Family
ID=57095674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610344104.3A Active CN106028452B (en) | 2016-05-23 | 2016-05-23 | A kind of method and device configuring ascending-descending subframes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106028452B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10547494B2 (en) * | 2016-10-31 | 2020-01-28 | Qualcomm Incorporated | Unlicensed spectrum coverage enhancement for industrial internet of things |
| CN108632978B (en) | 2017-03-24 | 2023-09-29 | 中兴通讯股份有限公司 | Information transmission processing method and device and node |
| EP3454474A1 (en) | 2017-09-08 | 2019-03-13 | ASUSTek Computer Inc. | Method and apparatus for channel usage in unlicensed spectrum considering beamformed transmission in a wireless communication system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101400140A (en) * | 2007-09-30 | 2009-04-01 | 大唐移动通信设备有限公司 | Method and apparatus for lowering overhead of uplink scheduling control signaling |
| CN101615947A (en) * | 2008-06-24 | 2009-12-30 | 华为技术有限公司 | Configuration ratio of uplink subframe to downlink subframe method, and method, the device of transfer of data |
| CN101754377A (en) * | 2008-12-04 | 2010-06-23 | 中兴通讯股份有限公司 | Self-adaptive configuration method of ascending-descending subframes of cell |
| CN102196580A (en) * | 2011-06-22 | 2011-09-21 | 新邮通信设备有限公司 | Method for dynamically configurating TDD (Time Division Duplex) base station uplink and downlink subframe scale |
| CN102215060A (en) * | 2010-04-01 | 2011-10-12 | 中兴通讯股份有限公司 | Configuration and indication method of relay sub-frames as well as method and system for realizing relay transmission |
| CN103384179A (en) * | 2012-05-04 | 2013-11-06 | 电信科学技术研究院 | Uplink/downlink configuring method and device used in system using time division duplex communication mode |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1905428B (en) * | 2005-07-25 | 2010-08-18 | 上海原动力通信科技有限公司 | Transmission method of TDD mobile communication system with low delay character |
| CN102938693B (en) * | 2011-08-15 | 2015-09-23 | 普天信息技术研究院有限公司 | The feedback method of the different up-downgoing proportioning of LTE-A TDD |
-
2016
- 2016-05-23 CN CN201610344104.3A patent/CN106028452B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101400140A (en) * | 2007-09-30 | 2009-04-01 | 大唐移动通信设备有限公司 | Method and apparatus for lowering overhead of uplink scheduling control signaling |
| CN101615947A (en) * | 2008-06-24 | 2009-12-30 | 华为技术有限公司 | Configuration ratio of uplink subframe to downlink subframe method, and method, the device of transfer of data |
| CN101754377A (en) * | 2008-12-04 | 2010-06-23 | 中兴通讯股份有限公司 | Self-adaptive configuration method of ascending-descending subframes of cell |
| CN102215060A (en) * | 2010-04-01 | 2011-10-12 | 中兴通讯股份有限公司 | Configuration and indication method of relay sub-frames as well as method and system for realizing relay transmission |
| CN102196580A (en) * | 2011-06-22 | 2011-09-21 | 新邮通信设备有限公司 | Method for dynamically configurating TDD (Time Division Duplex) base station uplink and downlink subframe scale |
| CN103384179A (en) * | 2012-05-04 | 2013-11-06 | 电信科学技术研究院 | Uplink/downlink configuring method and device used in system using time division duplex communication mode |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106028452A (en) | 2016-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ford et al. | A framework for end-to-end evaluation of 5G mmWave cellular networks in ns-3 | |
| US9585075B2 (en) | Coverage boosting transmission method for LTE technology | |
| Koubâa et al. | A vision of cyber-physical internet | |
| US11139934B2 (en) | Method for transmitting reference signal, device, and system | |
| Rekik et al. | Autonomous and traffic-aware scheduling for TSCH networks | |
| Baldo et al. | Miracle: the multi-interface cross-layer extension of ns2 | |
| CN101594215B (en) | Method and device for confirming number of control channel units as well as method for managing control channel units | |
| CN104285483A (en) | Method and apparatus for transmitting common signal | |
| CN106028452B (en) | A kind of method and device configuring ascending-descending subframes | |
| CN105142222B (en) | A kind of method and device adjusting carrier wave | |
| CN109391359A (en) | Method, the network equipment and terminal device for data transmission | |
| US10904882B2 (en) | Systems and methods for scaling short range local area networks using dual interfaced first hub nodes and transmission schedule mapping | |
| AU2018338767B2 (en) | Sub-physical resource block (sub-PRB) transmissions over a physical uplink shared channel (PUSCH) | |
| Al-Anbagi et al. | A reliable IEEE 802.15. 4 model for cyber physical power grid monitoring systems | |
| CN107453851A (en) | A kind of CQI measuring methods, device and wireless communication system | |
| CN108282302A (en) | A kind of reference signal sending method, method of reseptance and device | |
| CN107949057A (en) | The method and apparatus of time-domain resource information reporting | |
| Lim et al. | Waveform multiplexing for new radio: Numerology management and 3D evaluation | |
| EP3866354A1 (en) | Sequence-based signal processing method and apparatus | |
| CN108288988A (en) | Transmission, receiving handling method, device and the base station of uplink reference signals, terminal | |
| CN104378785A (en) | Uplink and downlink subframe reconfiguration method and devices for small cells | |
| CN102026384B (en) | Interference-eliminating resource allocation method and device | |
| CN108809582A (en) | A kind of method and apparatus of data transmission | |
| CN103327527B (en) | A kind of method and apparatus determining volume of business | |
| CN105264949A (en) | Method and device for adjusting data transmission rate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |