CN108271258A - A kind of carrier allocation method and equipment - Google Patents
A kind of carrier allocation method and equipment Download PDFInfo
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- CN108271258A CN108271258A CN201611262410.9A CN201611262410A CN108271258A CN 108271258 A CN108271258 A CN 108271258A CN 201611262410 A CN201611262410 A CN 201611262410A CN 108271258 A CN108271258 A CN 108271258A
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000004364 calculation method Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 230000006870 function Effects 0.000 description 12
- 230000002776 aggregation Effects 0.000 description 10
- 238000004220 aggregation Methods 0.000 description 10
- 238000004891 communication Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 8
- 230000007774 longterm Effects 0.000 description 6
- 230000001174 ascending effect Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000000379 polymerizing effect Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000013468 resource allocation Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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- 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
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
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- Quality & Reliability (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of carrier allocation method and equipment, for providing a kind of new SCC distribution methods, to improve the transmission rate of UE.This method includes：The network equipment calculates the first Signal to Interference plus Noise Ratio and the second Signal to Interference plus Noise Ratio；Wherein, first Signal to Interference plus Noise Ratio Signal to Interference plus Noise Ratio current for system, second Signal to Interference plus Noise Ratio are：After a resource unit is distributed for user equipment, the system comprises at least two carrier waves Signal to Interference plus Noise Ratio in maximum Signal to Interference plus Noise Ratio；At least two carrier wave includes the main carrier for distributing to the user equipment and the optional secondary carrier that can distribute to the user equipment；If second Signal to Interference plus Noise Ratio is more than first Signal to Interference plus Noise Ratio, then the network equipment is according to the correspondence between Signal to Interference plus Noise Ratio, carrier wave and resource unit, in at least two carrier wave, the carrier wave that the Signal to Interference plus Noise Ratio in addition to the main carrier is more than to first Signal to Interference plus Noise Ratio distributes to the user equipment as secondary carrier.
Description
Technical field
The present invention relates to field of communication technology, more particularly to a kind of carrier allocation method and equipment.
Background technology
In order to support the mobile data amount of rapid growth, Long Term Evolution upgrade version (Long Term Evolution-
Advanced, LTE-A) system introduces carrier wave on the basis of long term evolution (Long Term Evolution, LTE) technology
Polymerization (Carrier Aggregation, CA) technology enhances the rate of LTE.
Carrier aggregation technology be by by multiple carrier aggregations together come for user equipment (User Equipment, UE)
Higher transmission bandwidth is provided, to increase the upstream rate of UE or downstream rate.
Wherein, the carrier wave each being polymerize is known as member carrier (Component Carrier, CC), for expanding UE's
Transmission bandwidth.The carrier wave being polymerize can be divided into main carrier PCC (Primary CC) and secondary carrier SCC according to the difference of function
(Secondary CC).Wherein, each UE is general only there are one PCC, and SCC can according to user service data amount size into
Row configuration, the quantity of the SCC of each UE is not fixed, and a SCC can be the SCC of multiple PCC.Because the SCC's of each UE
Quantity is not fixed, therefore relates to UE selections SCC to be.At present, the method for two kinds of more typical selection SCC is based on respectively
The carrier selecting method at least switched and the carrier selecting method based on load balancing.
It is that selection has maximum Reference Signal Received Power (Reference based on the carrier selecting method at least switched
Signal Receiving Power, RSRP) value SCC of the carrier wave as UE.However, due to time-division long term evolution (Time
Division Long Term Evolution, TD-LTE) attributes of network influence, the solution of interference problem, which has become, to be carried
One impetus of high LTE network quality.If SINR is poor, even if RSRP is fine, transmission rate still obtains for UE
Less than guarantee.
Carrier selecting method based on load balancing is that the problem of load balancing of carrier wave is studied, and can realize load
Load balancing between wave.However, in the case that this algorithm is only applicable to high load capacity, it is of limited application.
As it can be seen that currently without the method for preferably selecting SCC.
Invention content
The embodiment of the present invention provides a kind of carrier allocation method and equipment, for providing a kind of new SCC distribution methods, with
Improve the transmission rate of UE.
In a first aspect, a kind of carrier allocation method is provided, including：
The network equipment calculates the first Signal to Interference plus Noise Ratio and the second Signal to Interference plus Noise Ratio；Wherein, first Signal to Interference plus Noise Ratio is system
Current Signal to Interference plus Noise Ratio, second Signal to Interference plus Noise Ratio are：After a resource unit is distributed for user equipment, the system comprises
At least two carrier waves Signal to Interference plus Noise Ratio in maximum Signal to Interference plus Noise Ratio；At least two carrier wave includes distributing to the use
The main carrier of family equipment and the optional secondary carrier that the user equipment can be distributed to；
If second Signal to Interference plus Noise Ratio is more than first Signal to Interference plus Noise Ratio, the network equipment is according to Signal to Interference plus Noise Ratio, load
Correspondence between wave and resource unit, at least two carrier wave, by the Signal to Interference plus Noise Ratio in addition to the main carrier
Carrier wave more than first Signal to Interference plus Noise Ratio distributes to the user equipment as secondary carrier.
Optionally, it before the network equipment calculates the first Signal to Interference plus Noise Ratio and the second Signal to Interference plus Noise Ratio, further includes：
The network equipment establishes the correspondence between Signal to Interference plus Noise Ratio, carrier wave and resource unit.
Optionally, the network equipment establishes the correspondence between Signal to Interference plus Noise Ratio, carrier wave and resource unit, packet
It includes：
The network equipment distributes H resource unit for the user equipment, calculates divide for the user equipment respectively
After each resource unit therein, the Signal to Interference plus Noise Ratio of at least two carrier wave；H is positive integer；
The network equipment establishes the corresponding pass between Signal to Interference plus Noise Ratio, carrier wave and resource unit according to result of calculation
System.
Optionally, the method further includes：
The network equipment receives the search information that the user equipment is sent, and described search information, which is used to indicate, to divide
The optional secondary carrier of user equipment described in dispensing.
Optionally, the method further includes：
The network equipment determines the resource requirement information of the user equipment, auxiliary needed for the user equipment to determine
The quantity of carrier wave.
Second aspect provides a kind of network equipment, including：
Computing module, for calculating the first Signal to Interference plus Noise Ratio and the second Signal to Interference plus Noise Ratio；Wherein, first Signal to Interference plus Noise Ratio is
The current Signal to Interference plus Noise Ratio of system, second Signal to Interference plus Noise Ratio are：After a resource unit is distributed for user equipment, the system
Including at least two carrier waves Signal to Interference plus Noise Ratio in maximum Signal to Interference plus Noise Ratio；At least two carrier wave includes distributing to institute
It states the main carrier of user equipment and the optional secondary carrier of the user equipment can be distributed to；
Distribution module if being more than first Signal to Interference plus Noise Ratio for second Signal to Interference plus Noise Ratio, according to Signal to Interference plus Noise Ratio, carries
Correspondence between wave and resource unit, at least two carrier wave, by the Signal to Interference plus Noise Ratio in addition to the main carrier
Carrier wave more than first Signal to Interference plus Noise Ratio distributes to the user equipment as secondary carrier.
Optionally, the network equipment, which further includes, establishes module, is used for：
Before the computing module calculates the first Signal to Interference plus Noise Ratio and the second Signal to Interference plus Noise Ratio, Signal to Interference plus Noise Ratio, carrier wave are established
The correspondence between resource unit.
Optionally, the module of establishing is used for：
H resource unit is distributed for the user equipment, is calculated respectively therein each for user equipment distribution
After resource unit, the Signal to Interference plus Noise Ratio of at least two carrier wave；H is positive integer；
According to result of calculation, the correspondence between Signal to Interference plus Noise Ratio, carrier wave and resource unit is established.
Optionally, the network equipment further includes receiving module, is used for：
The search information that the user equipment is sent is received, described search information, which is used to indicate, can distribute to the user
The optional secondary carrier of equipment.
Optionally, the network equipment further includes determining module, is used for：
The resource requirement information of the user equipment is determined, to determine the quantity of the secondary carrier needed for the user equipment.
The embodiment of the present invention mainly distributes SCC according to Signal to Interference plus Noise Ratio for user equipment, if the second Signal to Interference plus Noise Ratio is big
In the first Signal to Interference plus Noise Ratio, then show that also relatively good carrier wave can distribute to user equipment as secondary carrier, then it is dry according to letter
The correspondence made an uproar between ratio, carrier wave and resource unit distributes corresponding secondary carrier for user equipment so that the letter of system is dry to make an uproar
It is bigger than as possible, so as to promote the transmission rate of user equipment.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, it will make below to required in the embodiment of the present invention
Attached drawing is briefly described, it should be apparent that, attached drawing described below is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the flow chart of carrier allocation method provided in an embodiment of the present invention；
Fig. 2 is the three-dimensional system of coordinate provided in an embodiment of the present invention for being used to establish threedimensional model；
Fig. 3 is a kind of example of threedimensional model established in the embodiment of the present invention；
Fig. 4 is according to a kind of example of threedimensional model distributing carrier wave in the embodiment of the present invention；
Fig. 5 is a kind of structure diagram of the network equipment provided in an embodiment of the present invention；
Fig. 6 is a kind of structure diagram of the network equipment provided in an embodiment of the present invention.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without creative efforts shall fall within the protection scope of the present invention.
Hereinafter, the part term in the present invention is explained, in order to those skilled in the art understand that.
1) user equipment refers to the equipment for providing a user voice and/or data connectivity, such as can include having nothing
The portable equipment of line linkage function or the processing equipment for being connected to radio modem.The terminal device can be through wireless
Access net (Radio Access Network, RAN) communicates with core net, and voice and/or data are exchanged with RAN.The use
Family equipment can include wireless terminal device, mobile terminal device, subscriber unit (Subscriber Unit), subscriber station
(Subscriber Station), movement station (Mobile Station), distant station (Remote Station), access point
(Access Point, AP), remote terminal equipment (Remote Terminal), access terminal equipment (Access
Terminal), subscriber terminal equipment (User Terminal), user agent (User Agent), UE or user equipment (User
Device) etc..For example, it may be mobile phone (or being " honeycomb " phone), has the computer of mobile terminal device, it is portable
Formula, pocket, hand-held, built-in computer or vehicle-mounted mobile device.For example, personal communication service (Personal
Communication Service, PCS) phone, wireless phone, Session initiation Protocol (Session Initiation
Protocol, SIP) phone, wireless local loop (Wireless Local Loop, WLL) stand, personal digital assistant
Equipment such as (Personal Digital Assistant, PDA).
2) network equipment, such as including access network equipment, access network equipment can for example include base station, such as access point,
Base station can refer to the accession to the equipment to communicate in the air by one or more sectors with wireless terminal device on interface in net.Base
It stands available for the radio frames received and Internet protocol (IP) grouping are mutually converted, as wireless terminal device and access net
Rest part between router, wherein accessing the rest part of net may include IP network.Base station also tunable to connecing in the air
The attribute management of mouth.For example, base station can include the evolved base station in LTE-A, such as NodeB or eNB or e-NodeB,
Evolutional Node B, the embodiment of the present invention do not limit.
3) Signal to Interference plus Noise Ratio, i.e. Signal to Interference plus Noise Ratio (Signal to Interference plus Noise
Ratio, SINR), refer to the intensity of the useful signal received and the intensity of the interference signal received (noise and interference)
Ratio is a more crucial factor for influencing communication quality.
4) the core thinking of carrier aggregation technology is：By multiple continuous or discrete carrier aggregation together, one is formed
Broader frequency spectrum, to provide higher transmission bandwidth for UE.The application of this technology had both met need of the LTE-A in terms of bandwidth
It asks, and the utilization rate of frequency spectrum fragment can be improved.
5) in the embodiment of the present invention, " cell " and " carrier wave " is identical concept, and the two is interchangeable, that is, a carrier wave also may be used
It is interpreted as a cell." multiple " refer to two or more."and/or", describes the incidence relation of affiliated partner, and expression can
With there are three kinds of relationships, for example, A and/or B, can represent：Individualism A exists simultaneously A and B, these three feelings of individualism B
Condition.In addition, character "/", unless otherwise specified, it is a kind of relationship of "or" to typically represent forward-backward correlation object.
Technical solution provided in an embodiment of the present invention can be applied in lte-a system, can be applied in other communications
In system, as long as the communication system that can apply carrier aggregation technology is the communication system that the embodiment of the present invention is applicable in.
Technical solution provided in an embodiment of the present invention is introduced with reference to the accompanying drawings of the specification.
Fig. 1 is referred to, one embodiment of the invention provides a kind of carrier allocation method, it should be noted that the present invention is implemented
Example in carrier allocation method can be applied for each user equipment, below mainly using one of user equipment as
Example.The flow of this method is described as follows.
S11, user equipment carry out the search of all available carrier waves with covering, and confirm which carrier wave is can be chosen for
The carrier wave of the secondary carrier of the user equipment.
Wherein, a carrier wave will be chosen for the secondary carrier of user equipment, and the condition that need to meet includes but not limited to following
Two kinds：
1st, the carrier wave is that there are available resources；
2nd, the carrier wave has met the polymerizing condition of carrier aggregation.About polymerizing condition, according to factors such as region, networks
Difference has different settings, and the embodiment of the present invention is not restricted.
After user equipment scans for, if a carrier wave meets both the above condition, user equipment can determine this
Carrier wave is the carrier wave for the secondary carrier that can be chosen for the user equipment.
Wherein, S11 is optional step rather than essential step, in order to mutually be distinguished with essential step, in Fig. 1 will
Box for representing S11 is depicted as dotted line.
S12, user equipment send search information to the network equipment, then the network equipment receives the search information.The search is believed
Breath is used to indicate the optional secondary carrier that can distribute to user equipment.
That is, user equipment scans for, confirm which carrier wave can be chosen for the secondary carrier of the user equipment, Yong Hushe
The network equipment is sent to for information will be searched for, is to be somebody's turn to do from the optional secondary carrier that user equipment searches determine by the network equipment
User equipment distributes secondary carrier.
Wherein, S12 is optional step rather than essential step, in order to mutually be distinguished with essential step, in Fig. 1 will
Arrow for representing S12 is depicted as dotted line.
S13, the network equipment establish Signal to Interference plus Noise Ratio, carrier wave and resource unit (pair between (Resource Element, RE)
It should be related to.
The network equipment can be that the user equipment distributes H RE, and H is positive integer.Wherein, one is often distributed for the user equipment
A RE just calculates the SINR of at least two carrier waves.At least two carrier waves include the PCC and the user equipment of the user equipment
Determining optional secondary carrier.Wherein, a RE is often distributed, a SINR can be calculated for each carrier wave, can press
The SINR of a carrier wave after one RE of user equipment distribution is calculated as according to the following formula：
In formula (1), l=1, wherein 2 ... ... N, N are the quantity of the quantity, i.e. at least two carrier waves of carrier wave.N0Attach most importance to
Superimposition cover area bottom is made an uproar,For on the time-frequency location corresponding to the RE in distribution in addition to the carrier wave where the user equipment
Other carrier waves caused by power disturbance value.plFor the work(on the time-frequency location corresponding to the RE of l-th of carrier wave in distribution
Rate.L-th of carrier wave is the carrier wave where the user equipment.
A RE is often distributed for the user equipment, it is possible at least two SINR be calculated and (calculated for a carrier wave
Obtain a SINR).It can be that the user equipment distributes H RE, as soon as often distributing a RE, at least two SINR are calculated.
So as to which, the network equipment is according to the number of the RE of distribution, the identity number (ID) of SINR and carrier wave being calculated, so that it may
To establish the correspondence between SINR, RE and carrier wave, which can be understood as the number of SINR, RE, Yi Jizai
Correspondence between the ID of wave.
In possible embodiment, which can be presented by threedimensional model, and the network equipment can be according to Fig. 2
Shown three-dimensional system of coordinate establishes threedimensional model, and three dimensions in Fig. 2 are respectively the number and carrier wave of SINR, RE
ID.A kind of threedimensional model that shown coordinate system is established according to fig. 2 can refer to Fig. 3.Certainly, the network equipment can also be with other
Form establishes the correspondence, however it is not limited to which, by threedimensional model, the embodiment of the present invention is for the performance shape of the correspondence
Formula is not restricted.
Wherein, for different user equipmenies, the network equipment can be established different between SINR, RE and carrier wave
Correspondence, it can be understood as, user equipment is one-to-one with the correspondence.The network equipment is set for different users
During standby distributing carrier wave, it can refer to the respective correspondence of user equipment and be allocated.
Wherein, S13 is optional step rather than essential step, in order to mutually be distinguished with essential step, in Fig. 1 will
Box for representing S13 is depicted as dotted line.
S14, the network equipment calculate the first Signal to Interference plus Noise Ratio and the second Signal to Interference plus Noise Ratio.Wherein, the first Signal to Interference plus Noise Ratio is system
Current Signal to Interference plus Noise Ratio, the second Signal to Interference plus Noise Ratio are：After a RE is distributed for user equipment, in the SINR of at least two carrier waves
Maximum SINR.That is, after a RE is distributed for user equipment, at least two carrier waves, can be calculated to
Few two SINR, the wherein SINR of value maximum are just used as the second Signal to Interference plus Noise Ratio.
That is, after the correspondence between SINR, RE and carrier wave is established, the network equipment can be right according to this
It should be related to for user equipment distributing carrier wave.When needing for user equipment distributing carrier wave, the network equipment starts to perform S14.That is,
After S13 is performed, arbitrary duration can be spaced and perform S14 or also possible even if not performing S14 again.
In possible embodiment, the network equipment can calculate the first Signal to Interference plus Noise Ratio according to equation below：
In formula (2), SINRNOWFor the first Signal to Interference plus Noise Ratio,For the general power of the selected RE of current system, need
It is noted that the value of l and k for orientation value, only for selected user equipment and be chosen polymerization carrier wave and its
Selected RE is just effective l and k.For the carrier wave that when l and k is chosen, is not selected the RE time-frequency
Power on position.Quantity of the M for maximum residual RE, i.e., the total quantity of the available RE of residue of SCC to be selected and PCC.
In possible embodiment, the network equipment can calculate the second Signal to Interference plus Noise Ratio according to equation below：
In formula (3),For the second Signal to Interference plus Noise Ratio.For when l is selected, the carrier wave being not selected is at this
Power on the time-frequency location of RE.
In addition, when distributing RE for user equipment, it is only a user equipment and distributes available RE, that is to say, that also not
Distribute to the RE of other users equipment.So, if it is determined that haveCorresponding RE has other users equipment and is assigned to
During the paradigmatic system of other users equipment, the RE should be skipped and continue to distribute selection other available RE.
If S15, the second Signal to Interference plus Noise Ratio are more than the first Signal to Interference plus Noise Ratio, according between Signal to Interference plus Noise Ratio, carrier wave and resource unit
Correspondence, at least two carrier waves, the Signal to Interference plus Noise Ratio in addition to main carrier is more than to the carrier wave point of the first Signal to Interference plus Noise Ratio
Provisioned user equipment is as secondary carrier.
The two can be compared by the network equipment after the first Signal to Interference plus Noise Ratio and the second Signal to Interference plus Noise Ratio is calculated, if
Second Signal to Interference plus Noise Ratio is more than the first Signal to Interference plus Noise Ratio, indicates that the SINR of also carrier wave at least two carrier waves is relatively good, Ke Yizuo
To distribute to the SCC of the user equipment.So, if the second Signal to Interference plus Noise Ratio is more than the first Signal to Interference plus Noise Ratio, the network equipment can root
According to the correspondence between SINR, the RE and carrier wave established before, SCC is distributed for user equipment.Wherein, the network equipment can
With by least two carrier waves in addition to the PCC of the user equipment, and SINR be more than the first Signal to Interference plus Noise Ratio carrier wave distribute to
The user equipment, the SCC as the user equipment.
Specifically, if the correspondence between SINR, RE and carrier wave of network equipment storage is as shown in Figure 3
Threedimensional model, then, the network equipment distribute SCC for user equipment, can realize as follows：By Z=SINRNOWPlane (Fig. 4
In be known as Z plane) be placed in the threedimensional model built up, as shown in figure 4, the threedimensional model in Fig. 4 is still with the three-dimensional in Fig. 3
For model.In Fig. 4, Z=SINR will be located in threedimensional modelNOWAll discrete points above plane, which select, to be come, and selects this
SCC of a little corresponding carrier waves of discrete point as the user equipment.In addition, the corresponding RE of these discrete points is distributed to accordingly again
SCC.For example, having selected discrete point 1 in the three-dimensional model, 1 corresponding carrier wave of discrete point is distributed into user equipment as one
The corresponding RE of the discrete point is then also distributed to the SCC by SCC.
In possible embodiment, the network equipment can also count the caching resource amount of the user equipment, that is, determining should
The resource requirement information of user equipment, with the RE needed for the quantity of the SCC needed for the determining user equipment and the user equipment
Quantity, so as to be the required amount of SCC and RE of user equipment distributing user equipment.Wherein, what the network equipment counted can
Be the downlink resource demand information of the user equipment or can also be the user equipment ascending resource demand information.Such as
Fruit counts the downlink resource demand information of the user equipment, then the network equipment voluntarily counts, if counting the user equipment
Ascending resource demand information, then the network equipment user equipment can be asked to send out the ascending resource demand information of the user equipment
The network equipment is given, so as to which the network equipment can determine the ascending resource demand information of the user equipment.Wherein, the network equipment is true
Determine the resource requirement information of user equipment, which can occur any position in the above process.
Therefore, it is repeated in the embodiment of the present invention and performs S15, until the resource to be transmitted of user equipment is passed
It is defeated, i.e., until distributing required amount of SCC and RE for user equipment, determine that carrier wave is assigned alternatively, repeating
S15 until the second Signal to Interference plus Noise Ratio being calculated is less than or equal to the first Signal to Interference plus Noise Ratio, determines that carrier wave is assigned.From
And the PCC and the network equipment of user equipment distribute to the SCC of user equipment, just form the carrier aggregation system of the user equipment
System, the SINR of the carrier aggregation system can be maximum, to ensure the transmission rate of the user equipment, improves communication quality.
The scheme of the prior art does not fully consider the SINR of system entirety, can not ensure the SINR and handling capacity of system
It maximizes, loss is had in transmission rate.Using technical solution provided in an embodiment of the present invention, carrier aggregation system can be realized
The resource allocation of optimal SINR based on handling capacity under system.
In addition, the scheme of the prior art can not realize RE quick distribution and SCC resources and user equipment it is quick corresponding.
The embodiment of the present invention is by way of three-dimensional modeling, will after rapid comparison goes out the SCC resources after distribution higher than current system SINR
Resources more than all Z planes carries out the mode of corresponding selection to realize the distribution of quick SCC and RE, resource with user equipment
Allocative efficiency is higher.
Equipment provided in an embodiment of the present invention is introduced below in conjunction with the accompanying drawings.
Fig. 5 is referred to, one embodiment of the invention provides a kind of network equipment, which includes 501 He of computing module
Distribution module 502.
Wherein, computing module 501, for calculating the first Signal to Interference plus Noise Ratio and the second Signal to Interference plus Noise Ratio；Wherein, first letter
Dry to make an uproar than the Signal to Interference plus Noise Ratio current for system, second Signal to Interference plus Noise Ratio is：After a resource unit is distributed for user equipment,
The system comprises at least two carrier waves Signal to Interference plus Noise Ratio in maximum Signal to Interference plus Noise Ratio；At least two carrier wave includes
It distributes to the main carrier of the user equipment and the optional secondary carrier of the user equipment can be distributed to；
Distribution module 502 if being more than first Signal to Interference plus Noise Ratio for second Signal to Interference plus Noise Ratio, is made an uproar according to letter is dry
Than the correspondence between, carrier wave and resource unit, at least two carrier wave, the letter in addition to the main carrier is done
It makes an uproar and distributes to the user equipment as secondary carrier than being more than the carrier wave of first Signal to Interference plus Noise Ratio.
In possible embodiment, which, which further includes, establishes module 503, refers to Fig. 6.Wherein, because establishing
Module 503 is optional function module, in order to mutually be distinguished with essential function module, is depicted as dotted line in figure 6.Establish mould
Block 503, is used for：
Before computing module 501 calculates the first Signal to Interference plus Noise Ratio and the second Signal to Interference plus Noise Ratio, establish Signal to Interference plus Noise Ratio, carrier wave with
The correspondence between resource unit.
In possible embodiment, module 503 is established for establishing the institute between Signal to Interference plus Noise Ratio, carrier wave and resource unit
Correspondence is stated, including：
H resource unit is distributed for the user equipment, is calculated respectively therein each for user equipment distribution
After resource unit, the Signal to Interference plus Noise Ratio of at least two carrier wave；H is positive integer；
According to result of calculation, the correspondence between Signal to Interference plus Noise Ratio, carrier wave and resource unit is established.
In possible embodiment, which further includes receiving module 504, continuing with referring to Fig. 6.Wherein, because
Receiving module 504 is optional function module, in order to mutually be distinguished with essential function module, is depicted as dotted line in figure 6.It connects
Module 504 is received, is used for：
The search information that the user equipment is sent is received, described search information, which is used to indicate, can distribute to the user
The optional secondary carrier of equipment.
In possible embodiment, which further includes determining module 505, continuing with referring to Fig. 6.Wherein, because
Determining module 505 is optional function module, in order to mutually be distinguished with essential function module, is depicted as dotted line in figure 6.Really
Cover half block 505, is used for：
The resource requirement information of the user equipment is determined, to determine the quantity of the secondary carrier needed for the user equipment.
The network equipment can be used for performing the method that embodiment as shown in Figure 1 is provided, for example, foregoing net
Network equipment.Therefore function achieved by function module and each function module of including for the network equipment etc., can refer to
Associated description in embodiment shown in FIG. 1, seldom repeats.
The embodiment of the present invention mainly distributes SCC according to Signal to Interference plus Noise Ratio for user equipment, if the second Signal to Interference plus Noise Ratio is big
In the first Signal to Interference plus Noise Ratio, then show that also relatively good carrier wave can distribute to user equipment as secondary carrier, then it is dry according to letter
The correspondence made an uproar between ratio, carrier wave and resource unit distributes corresponding secondary carrier for user equipment so that the letter of system is dry to make an uproar
It is bigger than as possible, so as to promote the transmission rate of user equipment.
In the present invention, it should be understood that disclosed device and method can be realized by another way.For example,
The apparatus embodiments described above are merely exemplary, for example, the division of the unit or unit, only a kind of logic
Function divides, and can have other dividing mode in actual implementation, such as multiple units or component can be combined or can be collected
Into to another system or some features can be ignored or does not perform.Another point, shown or discussed mutual coupling
Close or direct-coupling or communication connection can be by some interfaces, the INDIRECT COUPLING or communication connection of device or unit, can be with
It is electrical or other forms.
The embodiment of the present invention also provides a kind of computer storage media, wherein, which can be stored with journey
Sequence, the part or all of step of any distance measuring method when which performs described in including above method embodiment.
Each functional unit in embodiments of the present invention can be integrated in a processing unit or each unit also may be used
To be independent physical module.
If the integrated unit is realized in the form of SFU software functional unit and is independent product sale or uses
When, it can be stored in a computer read/write memory medium.Based on such understanding, the whole of technical scheme of the present invention
Or part can be embodied in the form of software product, which is stored in a storage medium, including
Some instructions are used so that a computer equipment, such as can be personal computers, server or the network equipment etc. or
Processor (processor) performs all or part of the steps of the method according to each embodiment of the present invention.And aforementioned storage is situated between
Matter includes：General serial bus USB (Universal Serial Bus flash drive), mobile hard disk, read-only storage
Device (Read Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or light
The various media that can store program code such as disk.
The above, above example is only to be described in detail technical scheme of the present invention, but above implementation
The method that the explanation of example is merely used to help understand the embodiment of the present invention, should not be construed as the limitation to the embodiment of the present invention.This
The change or replacement that those skilled in the art can readily occur in, should all cover the embodiment of the present invention protection domain it
It is interior.
Claims (10)
1. a kind of carrier allocation method, which is characterized in that including：
The network equipment calculates the first Signal to Interference plus Noise Ratio and the second Signal to Interference plus Noise Ratio；Wherein, first Signal to Interference plus Noise Ratio is current for system
Signal to Interference plus Noise Ratio, second Signal to Interference plus Noise Ratio is：After a resource unit is distributed for user equipment, the system comprises extremely
Maximum Signal to Interference plus Noise Ratio in the Signal to Interference plus Noise Ratio of few two carrier waves；At least two carrier wave, which includes distributing to the user, to be set
Standby main carrier and the optional secondary carrier that the user equipment can be distributed to；
If second Signal to Interference plus Noise Ratio be more than first Signal to Interference plus Noise Ratio, the network equipment according to Signal to Interference plus Noise Ratio, carrier wave with
In at least two carrier wave, the Signal to Interference plus Noise Ratio in addition to the main carrier is more than for correspondence between resource unit
The carrier wave of first Signal to Interference plus Noise Ratio distributes to the user equipment as secondary carrier.
2. the method as described in claim 1, which is characterized in that calculate the first Signal to Interference plus Noise Ratio and second in the network equipment
Before Signal to Interference plus Noise Ratio, further include：
The network equipment establishes the correspondence between Signal to Interference plus Noise Ratio, carrier wave and resource unit.
3. method as claimed in claim 2, which is characterized in that the network equipment establishes Signal to Interference plus Noise Ratio, carrier wave and resource list
The correspondence between member, including：
The network equipment distributes H resource unit for the user equipment, calculates distributing it for the user equipment respectively
In each resource unit after, the Signal to Interference plus Noise Ratio of at least two carrier wave；H is positive integer；
The network equipment establishes the correspondence between Signal to Interference plus Noise Ratio, carrier wave and resource unit according to result of calculation.
4. method as described in any one of claims 1-3, which is characterized in that the method further includes：
The network equipment receives the search information that the user equipment is sent, and described search information, which is used to indicate, to be distributed to
The optional secondary carrier of the user equipment.
5. method as described in any one of claims 1-3, which is characterized in that the method further includes：
The network equipment determines the resource requirement information of the user equipment, to determine the secondary carrier needed for the user equipment
Quantity.
6. a kind of network equipment, which is characterized in that including：
Computing module, for calculating the first Signal to Interference plus Noise Ratio and the second Signal to Interference plus Noise Ratio；Wherein, first Signal to Interference plus Noise Ratio is system
Current Signal to Interference plus Noise Ratio, second Signal to Interference plus Noise Ratio are：After a resource unit is distributed for user equipment, the system comprises
At least two carrier waves Signal to Interference plus Noise Ratio in maximum Signal to Interference plus Noise Ratio；At least two carrier wave includes distributing to the use
The main carrier of family equipment and the optional secondary carrier that the user equipment can be distributed to；
Distribution module, if for second Signal to Interference plus Noise Ratio be more than first Signal to Interference plus Noise Ratio, according to Signal to Interference plus Noise Ratio, carrier wave with
In at least two carrier wave, the Signal to Interference plus Noise Ratio in addition to the main carrier is more than for correspondence between resource unit
The carrier wave of first Signal to Interference plus Noise Ratio distributes to the user equipment as secondary carrier.
7. the network equipment as claimed in claim 6, which is characterized in that the network equipment, which further includes, establishes module, is used for：
Before the computing module calculates the first Signal to Interference plus Noise Ratio and the second Signal to Interference plus Noise Ratio, Signal to Interference plus Noise Ratio, carrier wave and money are established
The correspondence between source unit.
8. the network equipment as claimed in claim 7, which is characterized in that the module of establishing is used for：
H resource unit is distributed for the user equipment, calculates distributing each resource therein for the user equipment respectively
After unit, the Signal to Interference plus Noise Ratio of at least two carrier wave；H is positive integer；
According to result of calculation, the correspondence between Signal to Interference plus Noise Ratio, carrier wave and resource unit is established.
9. the network equipment as described in claim 6-8 is any, which is characterized in that the network equipment further includes receiving module,
For：
The search information that the user equipment is sent is received, described search information, which is used to indicate, can distribute to the user equipment
Optional secondary carrier.
10. the network equipment as described in claim 6-8 is any, which is characterized in that the network equipment further includes determining module,
For：
The resource requirement information of the user equipment is determined, to determine the quantity of the secondary carrier needed for the user equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611262410.9A CN108271258B (en) | 2016-12-31 | 2016-12-31 | Carrier allocation method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611262410.9A CN108271258B (en) | 2016-12-31 | 2016-12-31 | Carrier allocation method and device |
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| Publication Number | Publication Date |
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| CN108271258A true CN108271258A (en) | 2018-07-10 |
| CN108271258B CN108271258B (en) | 2020-07-14 |
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|---|---|---|---|---|
| CN1481633A (en) * | 2000-12-15 | 2004-03-10 | ˹���ķ��Ź�˾ | Multi-carrier communications with group-based subcarrier allocation |
| CN101129009A (en) * | 2005-02-25 | 2008-02-20 | 京瓷株式会社 | Communication system |
| CN103036842A (en) * | 2000-12-15 | 2013-04-10 | 昂达博思公司 | Method and device for selecting subcarriers in a system using OFDMA |
| CN104159303A (en) * | 2013-05-15 | 2014-11-19 | 中兴通讯股份有限公司 | Member carrier wave distribution method and apparatus |
| US20150055629A1 (en) * | 2013-08-22 | 2015-02-26 | Electronics And Telecommunications Research Institute | Method and apparatus for controlling interference based on carrier aggregation for small base station |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1481633A (en) * | 2000-12-15 | 2004-03-10 | ˹���ķ��Ź�˾ | Multi-carrier communications with group-based subcarrier allocation |
| CN103036842A (en) * | 2000-12-15 | 2013-04-10 | 昂达博思公司 | Method and device for selecting subcarriers in a system using OFDMA |
| CN101129009A (en) * | 2005-02-25 | 2008-02-20 | 京瓷株式会社 | Communication system |
| CN104159303A (en) * | 2013-05-15 | 2014-11-19 | 中兴通讯股份有限公司 | Member carrier wave distribution method and apparatus |
| US20150055629A1 (en) * | 2013-08-22 | 2015-02-26 | Electronics And Telecommunications Research Institute | Method and apparatus for controlling interference based on carrier aggregation for small base station |
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| CN108271258B (en) | 2020-07-14 |
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