CN104968051B - A kind of resource allocation methods and device of partial wideband uplink - Google Patents
A kind of resource allocation methods and device of partial wideband uplink Download PDFInfo
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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Abstract
The embodiment of the invention provides the resource allocation methods and device of a kind of partial wideband uplink, the cell has corresponding Physical Cell Identifier PCI, which comprises loads preset multiple resource allocation policies；Determine resource block RB to be allocated；Calculate the First Eigenvalue of the Physical Cell Identifier PCI；The First Eigenvalue be the Physical Cell Identifier PCI divided by 3 remainder；According to the First Eigenvalue, the resource block RB to be allocated is distributed using the multiple resource allocation policy.The interference problem between neighboring community can be effectively prevented in the present invention, and improves the utilization rate of resource.
Description
Technical field
The present invention relates to field of communication technology, a kind of resource allocation methods more particularly to partial wideband uplink and
A kind of resource allocation device of partial wideband uplink.
Background technique
LTE (Long Term Evolution, long term evolution) is by 3GPP (The 3rd Generation
Partnership Project, third generation partner program) UMTS (the Universal Mobile that organizes to set up
Telecommunications System, Universal Mobile Communication System) technical standard long term evolution, significantly increase frequency spectrum
Efficiency and message transmission rate.
The frequency point of LTE network is limited, is usually the net that formed a whole using identical networking mode between different community
Network.Since different cells uses identical frequency point, especially for uplink, interference is easily generated.
In first technology, generallys use following two mode and the resource of uplink is allocated:
A kind of mode is, the resource allocation of each cell is from fixed position resource block (Resource Block, RB)
Start to distribute, such as be distributed from small to large since the position RB0, by taking 3 cells A, B and C as an example, A, B and C cell are all from RB0
It sets and starts to distribute continuous resource block for user, the resource utilization of this resource distribution mode is high, but is easy to cause different small
The user in section generates interference.
Another way is the disturbed condition of each resource block RB by detecting the last period, and is distributed according to thresholding
Grade, preferential selection interfere the smallest RB to be allocated, this resource distribution mode although interference can be reduced as much as possible,
The wasting of resources reduces data transmission efficiency.By taking 20M bandwidth, 100 RB as an example, for user 1 and user 2, respectively preferential distribution
The smallest RB10~RB19 and RB60~RB69 is interfered, if user 3 there are a large amount of data to transmit at this time, is needed using residue
80 RB, due to the resource block in LTE being user's distribution be need it is continuous, this allocation plan is only use
This 40 RB of RB20~RB59 are distributed at family 3, and remaining RB can not distribute to user 3, resource is caused to be unable to fully utilize, and reduce number
According to efficiency of transmission.
Summary of the invention
In view of the above problems, it proposes the embodiment of the present invention and overcomes the above problem or at least partly in order to provide one kind
A kind of resource allocation methods of the partial wideband uplink to solve the above problems and a kind of corresponding partial wideband uplink
Resource allocation device.
To solve the above-mentioned problems, the embodiment of the invention discloses a kind of resource allocation sides of partial wideband uplink
Method, which is characterized in that the cell has corresponding Physical Cell Identifier PCI, which comprises
Load preset multiple resource allocation policies；
Determine resource block RB to be allocated；
Calculate the First Eigenvalue of the Physical Cell Identifier PCI；The First Eigenvalue is the Physical Cell Identifier
PCI divided by 3 remainder；
According to the First Eigenvalue, the resource block RB to be allocated is distributed using the multiple resource allocation policy.
Preferably, the multiple resource allocation policy includes first resource allocation strategy, Secondary resource allocation strategy and
Three resource allocation policies；The first resource allocation strategy is that serial number least resource block RB is opened from the resource block RB to be allocated
Begin, according to resource block RB to be allocated described in the order-assigned of serial number from small to large；The Secondary resource allocation strategy is from described
Serial number maximum resource block RB starts in resource block RB to be allocated, according to resource to be allocated described in the order-assigned of serial number from big to small
Block RB；The information resources allocation strategy be since default initial resource block RB, according to serial number first from big to small again from it is small to
Resource block RB to be allocated described in big or first order-assigned from small to large again from big to small, the default initial resource block RB include
The start sequence number of N number of resource block RB, N number of resource block RB are P × (M+1) ÷ (N+1), wherein N is default whole greater than 0
Number, M are the maximum value of the serial number of the resource block RB to be allocated, and the value of P is 1~N.
Preferably, described according to the First Eigenvalue, it is distributed using the multiple resource allocation policy described to be allocated
The step of resource block RB includes:
Using the first resource allocation strategy, the Secondary resource allocation strategy and the information resources allocation strategy point
With the resource block RB to be allocated；Wherein, resource allocation policy used by the different cell of the First Eigenvalue is different.
Preferably, the cell has system frame number SFN, the method also includes:
Calculate the Second Eigenvalue of the system frame number SFN；The Second Eigenvalue is the system frame number SFN divided by N+
2 remainder；
For the different default initial resource block RB, the information resources allocation strategy is divided into one or more
The sub- allocation strategy of resource；
According to the First Eigenvalue and the Second Eigenvalue, using the first resource allocation strategy, described second
Resource allocation policy and the sub- allocation strategy of one or more of resources distribute the resource block RB to be allocated.
Preferably, described according to the First Eigenvalue and the Second Eigenvalue, plan is distributed using the first resource
Slightly, the Secondary resource allocation strategy and the sub- allocation strategy of one or more of resources distribute the resource block RB's to be allocated
Step includes:
With the variation of the Second Eigenvalue, circulation uses the first resource allocation strategy, institute to the same cell
It states Secondary resource allocation strategy and the sub- allocation strategy of one or more of resources distributes the resource block RB to be allocated, and
And the first resource allocation strategy and the Secondary resource allocation strategy use simultaneously, in any one of second feature
Under value, resource allocation policy used by the different cell of the First Eigenvalue is different.
The embodiment of the invention also discloses a kind of resource allocation devices of partial wideband uplink, which is characterized in that institute
Cell is stated with corresponding Physical Cell Identifier PCI, described device includes:
Resource allocation policy loading module, for loading preset multiple resource allocation policies；
Resource block RB determining module to be allocated, for determining resource block RB to be allocated；
The First Eigenvalue computing module, for calculating the First Eigenvalue of the Physical Cell Identifier PCI；Described first is special
Value indicative be the Physical Cell Identifier PCI divided by 3 remainder；
First resource block RB distribution module to be allocated, for being divided using the multiple resource according to the First Eigenvalue
The resource block RB to be allocated is distributed with strategy.
Preferably, the multiple resource allocation policy includes first resource allocation strategy, Secondary resource allocation strategy and
Three resource allocation policies；The first resource allocation strategy is that serial number least resource block RB is opened from the resource block RB to be allocated
Begin, according to resource block RB to be allocated described in the order-assigned of serial number from small to large；The Secondary resource allocation strategy is from described
Serial number maximum resource block RB starts in resource block RB to be allocated, according to resource to be allocated described in the order-assigned of serial number from big to small
Block RB；The information resources allocation strategy be since default initial resource block RB, according to serial number first from big to small again from it is small to
Resource block RB to be allocated described in big or first order-assigned from small to large again from big to small, the default initial resource block RB include
The start sequence number of N number of resource block RB, N number of resource block RB are P × (M+1) ÷ (N+1), wherein N is default whole greater than 0
Number, M are the maximum value of the serial number of the resource block RB to be allocated, and the value of P is 1~N.
Preferably, the described first resource block RB distribution module to be allocated includes:
First resource block RB distribution sub module to be allocated, for using the first resource allocation strategy, second money
Source allocation strategy and the information resources allocation strategy distribute the resource block RB to be allocated；Wherein, the First Eigenvalue is not
Resource allocation policy used by same cell is different.
Preferably, the cell has system frame number SFN, described device further include:
Second Eigenvalue computing module, for calculating the Second Eigenvalue of the system frame number SFN；The Second Eigenvalue
It is the system frame number SFN divided by the remainder of N+2；
Information resources allocation strategy division module, for being directed to the different default initial resource block RB, by described the
Three resource allocation policies are divided into the sub- allocation strategy of one or more resources；
Second resource block RB distribution module to be allocated, for adopting according to the First Eigenvalue and the Second Eigenvalue
With the first resource allocation strategy, the Secondary resource allocation strategy and the sub- allocation strategy distribution of one or more of resources
The resource block RB to be allocated.
Preferably, the described second resource block RB distribution module to be allocated includes:
Second resource block RB distribution sub module to be allocated is recycled for the variation with the Second Eigenvalue to same
A cell is using the first resource allocation strategy, the Secondary resource allocation strategy and one or more of resource point
The resource block RB to be allocated, also, the first resource allocation strategy and the Secondary resource allocation strategy are distributed with strategy
It uses simultaneously, under any one of Second Eigenvalue, resource allocation used by the different cell of the First Eigenvalue
It is tactful different.
The embodiment of the present invention includes following advantages:
The embodiment of the present invention calculates the first of Physical Cell Identifier PCI by loading preset multiple resource allocation policies
Characteristic value distributes resource block RB to be allocated using preset multiple resource allocation policies according to the First Eigenvalue, for the first spy
The different cell of value indicative is avoided neighboring community while being distributed identical resource block using different resource allocation policies, effectively anti-
The only interference problem between neighboring community, simultaneously as different allocation strategy be from preset original allocation resource BOB(beginning of block),
Resource block to be allocated is distributed according to the distribution direction of setting, resource block to be allocated can be effectively utilized, avoid first technology
In the defect not high from the resource utilization for interfering the smallest resource BOB(beginning of block) to distribute.
Detailed description of the invention
Fig. 1 is a kind of step flow chart of the resource allocation methods embodiment 1 of partial wideband uplink of the invention；
Fig. 2 is a kind of step flow chart of the resource allocation methods embodiment 2 of partial wideband uplink of the invention；
Fig. 3 is a kind of structural block diagram of the resource allocation device embodiment 1 of partial wideband uplink of the invention；
Fig. 4 is a kind of structural block diagram of the resource allocation device embodiment 2 of partial wideband uplink of the invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
One of the core concepts of the embodiments of the present invention is that the embodiment of the present invention is by loading preset multiple resource allocations
Strategy calculates the First Eigenvalue of Physical Cell Identifier PCI, uses preset multiple resource allocation policies according to the First Eigenvalue
Resource block RB to be allocated is distributed, the cell different for the First Eigenvalue is avoided adjacent small using different resource allocation policies
Area distributes identical resource block simultaneously, the interference problem effectivelying prevent between neighboring community, simultaneously as different allocation strategy be from
Preset original allocation resource BOB(beginning of block) distributes resource block to be allocated according to the distribution direction of setting, being capable of effective land productivity
With resource block to be allocated, avoids in first technology and lacked from the resource utilization for interfering the smallest resource BOB(beginning of block) to distribute is not high
It falls into.
Referring to Fig.1, the step of showing a kind of resource allocation methods embodiment 1 of partial wideband uplink of the invention
Flow chart can specifically include following steps:
Step 101, preset multiple resource allocation policies are loaded；
Step 102, resource block RB to be allocated is determined；
Partial wideband generallys use the mode of identical networking, the resource block (Resource that each partial wideband is able to use
Block, RB) all it is limited, if distribute identical resource block RB in adjacent cell for user, there can be interference,
Signal is caused not receive and dispatch normally.
Interference between neighboring community in order to prevent, the embodiment of the present invention can be needed pair with preset multiple resource allocation policies
When resource block RB to be allocated is allocated, preset multiple resource allocation policies can be loaded.
In LTE system, the partial wideband of 5MHz, 10MHz, 15MHz and 20MHz type is generally included, it is different types of
Partial wideband has different number of resource block RB to be allocated, and the embodiment of the present invention, can be with by knowing the type of partial wideband
Determine resource block RB to be allocated, it, can when knowing current area broadband is 20MHz partial wideband by taking 20MHz partial wideband as an example
To determine that the partial wideband has 100 resource block RB to be allocated, respectively RB0~RB99, for 5MHz, 10MHz, 15MHz
Partial wideband can also determine resource block RB to be allocated by the same method.
In one preferred embodiment of the invention, preset multiple resource allocation policies may include first resource distribution
Strategy, Secondary resource allocation strategy and information resources allocation strategy.
Wherein, first resource allocation strategy can since resource block RB to be allocated serial number least resource block RB, according to
Resource block RB to be allocated described in the order-assigned of serial number from small to large, by taking 20MHz partial wideband as an example, first resource allocation strategy
Resource block RB to be allocated (i.e. distribution RB0~RB99) can be distributed to RB99 since RB0.
Secondary resource allocation strategy can since resource block RB to be allocated serial number maximum resource block RB, according to serial number from
Resource block RB to be allocated described in small order-assigned is arrived greatly, and by taking 20MHz partial wideband as an example, Secondary resource allocation strategy can be from
RB99 starts, and distributes resource block RB to be allocated to RB0.
Information resources allocation strategy can since default initial resource block RB, according to serial number first from big to small again from it is small to
Resource block RB to be allocated described in big or first order-assigned from small to large again from big to small, for example, being with 20MHz partial wideband
Example, if default initial resource block RB is RB50, information resources allocation strategy can be distributed first from RB50 to RB99, when distributing
After RB50~RB99, then the distribution from RB50 to RB0, alternatively, first distributed from RB50 to RB0, after distributing RB50~RB0, then
It is distributed from RB50 to RB99.
Default initial resource block RB can be determined in the following manner:
An Integer N greater than 0 is determined first, and N can be arbitrarily determined, for example, N can be 1, be also possible to 2, also
It can be other values, the value of N is bigger, and the complexity of processing is higher, can when high for the concentration degree for the resource block RB being disturbed
To take the larger value to N.
Information resources allocation strategy may include N number of default initial resource block RB, for example, having 1 to preset just when N is 1
Beginning resource block RB has 2 default initial resource block RB when N is 2.
The start sequence number of default initial resource block RB can be calculated by formula P × (M+1) ÷ (N+1) and be obtained, wherein M can
Be resource block RB to be allocated serial number maximum value, the value of P is 1~N.
By taking 20MHz partial wideband as an example, M value is 99, and as N=1, the value of P is 1, then default initial resource block RB
Start sequence number be 1 × (99+1) ÷ (1+1)=50, i.e., default initial resource block RB is RB50, and as N=2, the value of P is
1,2, then the start sequence number of default initial resource block RB is respectively 1 × (99+1) ÷ (2+1)=33 and 2 × (99+1) ÷ (2+
1)=66, i.e., 2 default initial resource block RB are respectively RB33 and RB66.
It should be noted that those skilled in the art can also preset other resource allocation policy according to actual needs,
The embodiment of the present invention to this with no restriction.
Step 103, the First Eigenvalue of the Physical Cell Identifier PCI is calculated；The First Eigenvalue is the physics
Cell ID PCI divided by 3 remainder；
In embodiments of the present invention, LTE partial wideband is when carrying out networking, it will usually distribute physical area for each cell
It identifies (Physical Cell Identifier, PCI), to identify the wireless signal of different community, the object that LTE network provides
Reason cell ID PCI shares 504.
The embodiment of the present invention can calculate the First Eigenvalue of Physical Cell Identifier PCI, and the First Eigenvalue is physical area
PCI is identified divided by 3 remainder, the First Eigenvalue is actually the 3 value PCI mod3 of mould of Physical Cell Identifier PCI, in allotment
When managing cell ID PCI, it usually needs ensure that the PCI mod3 between neighboring community is unequal, thus, what is be calculated is adjacent small
The First Eigenvalue in area is unequal.
Due to the First Eigenvalue be Physical Cell Identifier PCI divided by 3 remainder, the First Eigenvalue acquired may include 0,
1 and 2.
Step 104, according to the First Eigenvalue, the resource to be allocated is distributed using the multiple resource allocation policy
Block RB.
The embodiment of the present invention can be according to the First Eigenvalue obtained be calculated, using preset multiple resource allocation policies point
With resource block RB to be allocated.
In a preferred embodiment of the invention, step 104 may include following sub-step:
Sub-step 1041 is provided using the first resource allocation strategy, the Secondary resource allocation strategy and the third
Source allocation strategy distributes the resource block RB to be allocated；Wherein, resource used by the different cell of the First Eigenvalue point
With tactful different.
Resource to be allocated is distributed using first resource allocation strategy, Secondary resource allocation strategy and information resources allocation strategy
When block RB, as long as ensuring the difference of resource allocation policy used by the different cell of the First Eigenvalue.
By taking 20MHz partial wideband as an example, N takes 1, and the specific method of salary distribution of resource block RB to be allocated is as follows:
The method of salary distribution one: the cell for being 0 for the First Eigenvalue is distributed using resource allocation policy one from RB0 to RB99
RB0~RB99 resource block；The cell for being 1 for the First Eigenvalue distributes RB0 from RB99 to RB0 using resource allocation policy two
~RB99 resource block；The cell for being 2 for the First Eigenvalue, using resource allocation policy three, can first from RB50 to RB99, then
RB0~RB99 resource block is distributed from RB50 to RB0, or first from RB50 to RB0, then distribute RB0~RB99 from RB50 to RB99
Resource block.
The method of salary distribution two: the cell for being 0 for the First Eigenvalue is distributed using resource allocation policy two from RB99 to RB0
RB0~RB99 resource block；The cell for being 1 for the First Eigenvalue, using resource allocation policy three, can first from RB50 to
RB99, then RB0~RB99 resource block is distributed from RB50 to RB0, or first from RB50 to RB0, then distribute RB0 from RB50 to RB99
~RB99 resource block；The cell for being 2 for the First Eigenvalue, using resource allocation policy one, from RB0 to RB99 distribution RB0~
RB99 resource block.
The method of salary distribution three: the cell for being 0 for the First Eigenvalue, using resource allocation policy three, can first from RB50 to
RB99, then RB0~RB99 resource block is distributed from RB50 to RB0, or first from RB50 to RB0, then distribute RB0 from RB50 to RB99
~RB99 resource block；The cell for being 1 for the First Eigenvalue, using resource allocation policy one, from RB0 to RB99 distribution RB0~
RB99 resource block；The cell for being 2 for the First Eigenvalue, using resource allocation policy two, from RB99 to RB0 distribution RB0~
RB99 resource block.
The embodiment of the present invention calculates the first of Physical Cell Identifier PCI by loading preset multiple resource allocation policies
Characteristic value distributes resource block RB to be allocated using preset multiple resource allocation policies according to the First Eigenvalue, for the first spy
The different cell of value indicative is avoided neighboring community while being distributed identical resource block using different resource allocation policies, effectively anti-
The only interference problem between neighboring community, simultaneously as different allocation strategy be from preset original allocation resource BOB(beginning of block),
Resource block to be allocated is distributed according to the distribution direction of setting, resource block to be allocated can be effectively utilized, avoid first technology
In the defect not high from the resource utilization for interfering the smallest resource BOB(beginning of block) to distribute.
Referring to Fig. 2, the step of showing a kind of resource allocation methods embodiment 2 of partial wideband uplink of the invention
Flow chart can specifically include following steps:
Step 201, preset multiple resource allocation policies are loaded；
Step 202, resource block RB to be allocated is determined；
The embodiment of the present invention can be with preset multiple resource allocation policies, when needing to carry out the distribution of resource block RB, can be with
Load preset multiple resource allocation policies.
In LTE system, the partial wideband of 5MHz, 10MHz, 15MHz and 20MHz type is generally included, it is different types of
Partial wideband has different number of resource block RB to be allocated, and the embodiment of the present invention, can be with by knowing the type of partial wideband
Determine resource block RB to be allocated, it, can when knowing current area broadband is 20MHz partial wideband by taking 20MHz partial wideband as an example
To determine that the partial wideband has 100 resource block RB to be allocated, respectively RB0~RB99, for 5MHz, 10MHz, 15MHz
Partial wideband can also determine resource block RB to be allocated by the same method.
Preset multiple resource allocation policies may include first resource allocation strategy, Secondary resource allocation strategy and third
Resource allocation policy.
Wherein, first resource allocation strategy can since resource block RB to be allocated serial number least resource block RB, according to
Resource block RB to be allocated described in the order-assigned of serial number from small to large.
Secondary resource allocation strategy can since resource block RB to be allocated serial number maximum resource block RB, according to serial number from
Resource block RB to be allocated described in small order-assigned is arrived greatly.
Information resources allocation strategy can since default initial resource block RB, according to serial number first from big to small again from it is small to
Resource block RB to be allocated described in big or first order-assigned from small to large again from big to small.
Step 203, the First Eigenvalue of the Physical Cell Identifier PCI is calculated；The First Eigenvalue is the physics
Cell ID PCI divided by 3 remainder；
In embodiments of the present invention, LTE partial wideband is when carrying out networking, it will usually distribute physical area for each cell
It identifies (Physical Cell Identifier, PCI), to identify the wireless signal of different community, the object that LTE network provides
Reason cell ID PCI shares 504.
The embodiment of the present invention can calculate the First Eigenvalue of Physical Cell Identifier PCI, and the First Eigenvalue is physical area
PCI is identified divided by 3 remainder, the First Eigenvalue is actually the 3 value PCI mod3 of mould of Physical Cell Identifier PCI, in allotment
When managing cell ID PCI, it usually needs ensure that the PCI mod3 between neighboring community is unequal, thus, what is be calculated is adjacent small
The First Eigenvalue in area is unequal.
Due to the First Eigenvalue be Physical Cell Identifier PCI divided by 3 remainder, the First Eigenvalue acquired may include 0,
1 and 2.
After calculating acquisition the First Eigenvalue, a kind of way that the embodiment of the present invention can be taken is using first resource point
Resource block RB to be allocated is distributed with strategy, Secondary resource allocation strategy and information resources allocation strategy；Wherein, the First Eigenvalue is not
Resource allocation policy used by same cell is different, this kind of way is based on the considerations of frequency domain, for the First Eigenvalue difference
Cell, using different resource allocation policies, to prevent the interference between neighboring community.
The distribution method of above-mentioned resource block is put in different times, and the distribution of local resource block relatively solidifies,
In the case that the data volume that cell is sent is big, in order to ensure the equalization of resource block distribution, so that the distribution of resource block more adduction
Reason, the embodiment of the present invention can also take in time domain, combine frequency domain and time domain in resource block assigning process, then originally
Inventive embodiments can with the following steps are included:
Step 204, the Second Eigenvalue of the system frame number SFN is calculated；
In the lte networks, cell has System Frame Number (System Frame Number, SFN), and system frame number SFN can be with
Indicate 0~1023 different time point.
On at some time point, the system frame number SFN of the different community in same partial wideband is identical, System Frame Number
The initial value of SFN is 0, and at next time point, i.e., every to cross 10ms, system frame number SFN can add 1 automatically, until 1023, then again
Since 0, in cycles.
The embodiment of the present invention can be removed with the Second Eigenvalue of computing system frame number SFN, Second Eigenvalue for system frame number SFN
With the remainder of N+2, for example, when N value 1, Second Eigenvalue be system frame number SFN divided by 3 remainder, at this point, second feature
Value may include 0,1 and 2, when N value 2, Second Eigenvalue be system frame number SFN divided by 4 remainder, at this point, second feature
Value may include 0,1,2 and 3.
Step 205, for the different default initial resource block RB, the information resources allocation strategy is divided into one
A or multiple sub- allocation strategies of resource；
In embodiments of the present invention, N is any integer greater than 0, and when N value 1, information resources allocation strategy includes 1
A default initial resource block RB, at this point, information resources allocation strategy is divided into 1 resource allocation policy, when N value 2, third
Resource allocation policy includes 2 default initial resource block RB, at this point, information resources allocation strategy is divided into 2 resource allocation plans
Slightly, that is to say, that the different default initial resource block RB will be directed to, information resources allocation strategy is divided into N number of resource
Allocation strategy.
Step 206, according to the First Eigenvalue and the Second Eigenvalue, using first resource allocation strategy, second
Resource allocation policy and the sub- allocation strategy of one or more of resources distribute the resource block RB to be allocated.
The embodiment of the present invention can be integrated according to the First Eigenvalue and Second Eigenvalue, using first resource allocation strategy,
Secondary resource allocation strategy and one or more sub- allocation strategies of resource distribute resource block RB to be allocated.
In one preferred embodiment of the invention, step 206 may include following sub-step:
Sub-step 2061, with the variation of the Second Eigenvalue, circulation uses the first resource to the same cell
Allocation strategy, the Secondary resource allocation strategy and the sub- allocation strategy of one or more of resources distribute the money to be allocated
Source block RB, also, the first resource allocation strategy and the Secondary resource allocation strategy use simultaneously, any one of
Under Second Eigenvalue, resource allocation policy used by the different cell of the First Eigenvalue is different.
In embodiments of the present invention, with the variation at time point, Second Eigenvalue also and then changes, Second Eigenvalue not
During disconnected variation, the embodiment of the present invention can be recycled to the same cell using first resource allocation strategy, Secondary resource
Allocation strategy and one or more sub- allocation strategies of resource distribute resource block RB to be allocated, during resource allocation, the
One resource allocation policy and Secondary resource allocation strategy are needed while being used, meanwhile, for any one Second Eigenvalue, first
Resource allocation policy used by the different cell of characteristic value is different.
It is further described below with specific example:
By taking 20MHz partial wideband as an example, it is assumed that N value 1, at this point, information resources allocation strategy includes 1 default initial money
Source block RB is RB50, which is divided into resource allocation policy A:
When Second Eigenvalue be 0 when, to the First Eigenvalue be 0 cell, can use the first allocation strategy, from RB0 to
RB99 distributes resource block RB to be allocated；The cell for being 1 to the First Eigenvalue can use the second allocation strategy, from RB99 to RB0
Distribute resource block RB to be allocated；The cell for being 1 to the First Eigenvalue can use resource allocation policy A, first from RB50 to RB0,
Resource block RB to be allocated is distributed from RB50 to RB99 again.
When Second Eigenvalue be 1 when, to the First Eigenvalue be 0 cell, can use the second allocation strategy, from RB99 to
RB0 distributes resource block RB to be allocated；To the First Eigenvalue be 1 cell, can use resource allocation policy A, first from RB50 to
RB0, then resource block RB to be allocated is distributed from RB50 to RB99；The cell for being 1 to the First Eigenvalue, can be using the first distribution plan
Slightly, resource block RB to be allocated is distributed from RB0 to RB99.
When Second Eigenvalue be 2 when, to the First Eigenvalue be 0 cell, can use resource allocation policy A, first by
RB50 distributes resource block RB to be allocated to RB0, then from RB50 to RB99；The cell for being 1 to the First Eigenvalue can use first
Allocation strategy distributes resource block RB to be allocated from RB0 to RB99；The cell for being 1 to the First Eigenvalue, can be using the second distribution
Strategy distributes resource block RB to be allocated from RB99 to RB0.
Assuming that N value 2, at this point, information resources allocation strategy includes 2 default initial resource block RB, respectively RB33 and
The information resources allocation strategy is divided into resource allocation policy A1 and resource allocation policy A2 by RB66:
When Second Eigenvalue be 0 when, to the First Eigenvalue be 0 cell, can use the first allocation strategy, from RB0 to
RB99 distributes resource block RB to be allocated；The cell for being 1 to the First Eigenvalue can use the second allocation strategy, from RB99 to RB0
Distribute resource block RB to be allocated；To the First Eigenvalue be 1 cell, can use resource allocation policy A1, first from RB33 to
RB0, then resource block RB to be allocated is distributed from RB33 to RB99.
When Second Eigenvalue be 1 when, to the First Eigenvalue be 0 cell, can use the second allocation strategy, from RB99 to
RB0 distributes resource block RB to be allocated；To the First Eigenvalue be 1 cell, can use resource allocation policy A2, first from RB66 to
RB0, then resource block RB to be allocated is distributed from RB66 to RB99；The cell for being 1 to the First Eigenvalue, can be using the first distribution plan
Slightly, resource block RB to be allocated is distributed from RB0 to RB99.
When Second Eigenvalue be 2 when, to the First Eigenvalue be 0 cell, can use resource allocation policy A1, first by
RB33 distributes resource block RB to be allocated to RB0, then from RB33 to RB99；The cell for being 1 to the First Eigenvalue can use first
Allocation strategy distributes resource block RB to be allocated from RB0 to RB99；The cell for being 2 to the First Eigenvalue, can be using the second distribution
Strategy distributes resource block RB to be allocated from RB99 to RB0.
When Second Eigenvalue be 3 when, to the First Eigenvalue be 0 cell, can use the first allocation strategy, from RB0 to
RB99 distributes resource block RB to be allocated；The cell for being 1 to the First Eigenvalue can use the second allocation strategy, from RB99 to RB0
Distribute resource block RB to be allocated；To the First Eigenvalue be 1 cell, can use resource allocation policy A2, first from RB66 to
RB0, then resource block RB to be allocated is distributed from RB66 to RB99.
The embodiment of the present invention is to have similarity with embodiment of the method 1, and not detailed place can refer to embodiment of the method 1
Relevant portion.
It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method
It closes, but those skilled in the art should understand that, embodiment of that present invention are not limited by the describe sequence of actions, because according to
According to the embodiment of the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also should
Know, the embodiments described in the specification are all preferred embodiments, and the related movement not necessarily present invention is implemented
Necessary to example.
Referring to Fig. 3, a kind of structure of the resource allocation device embodiment 1 of partial wideband uplink of the invention is shown
Block diagram, wherein the cell has corresponding Physical Cell Identifier PCI, and described device includes:
Resource allocation policy loading module 301, for loading preset multiple resource allocation policies；
Resource block RB determining module 302 to be allocated, for determining resource block RB to be allocated；
The First Eigenvalue computing module 303, for calculating the First Eigenvalue of the Physical Cell Identifier PCI；Described
One characteristic value be the Physical Cell Identifier PCI divided by 3 remainder；
First resource block RB distribution module 304 to be allocated is used for according to the First Eigenvalue, using the multiple resource
Allocation strategy distributes the resource block RB to be allocated.
In one preferred embodiment of the invention, the multiple resource allocation policy include first resource allocation strategy,
Secondary resource allocation strategy and information resources allocation strategy；The first resource allocation strategy is from the resource block RB to be allocated
Middle serial number least resource block RB starts, according to resource block RB to be allocated described in the order-assigned of serial number from small to large；Described second
Resource allocation policy is since the resource block RB to be allocated serial number maximum resource block RB, according to serial number from big to small suitable
Sequence distributes the resource block RB to be allocated；The information resources allocation strategy is since default initial resource block RB, according to sequence
Number elder generation from small to large or first resource block RB to be allocated described in order-assigned from small to large again from big to small again from big to small, it is described
Default initial resource block RB includes N number of resource block RB, and the start sequence number of N number of resource block RB is P × (M+1) ÷ (N+1),
In, N is the default integer greater than 0, and M is the maximum value of the serial number of the resource block RB to be allocated, and the value of P is 1~N.
In one preferred embodiment of the invention, the described first resource block RB distribution module 304 to be allocated includes:
First resource block RB distribution sub module 3041 to be allocated, for using the first resource allocation strategy, described the
Two resource allocation policies and the information resources allocation strategy distribute the resource block RB to be allocated；Wherein, the fisrt feature
It is worth the difference of resource allocation policy used by different cells.
Referring to Fig. 4, a kind of structure of the resource allocation device embodiment 2 of partial wideband uplink of the invention is shown
Block diagram, wherein the cell has corresponding Physical Cell Identifier PCI and system frame number SFN, described device include:
Resource allocation policy loading module 401, for loading preset multiple resource allocation policies；
Resource block RB determining module 402 to be allocated, for determining resource block RB to be allocated；
In one preferred embodiment of the invention, the multiple resource allocation policy include first resource allocation strategy,
Secondary resource allocation strategy and information resources allocation strategy；The first resource allocation strategy is from the resource block RB to be allocated
Middle serial number least resource block RB starts, according to resource block RB to be allocated described in the order-assigned of serial number from small to large；Described second
Resource allocation policy is since the resource block RB to be allocated serial number maximum resource block RB, according to serial number from big to small suitable
Sequence distributes the resource block RB to be allocated；The information resources allocation strategy is since default initial resource block RB, according to sequence
Number elder generation from small to large or first resource block RB to be allocated described in order-assigned from small to large again from big to small again from big to small, it is described
Default initial resource block RB includes N number of resource block RB, and the start sequence number of N number of resource block RB is P × (M+1) ÷ (N+1),
In, N is the default integer greater than 0, and M is the maximum value of the serial number of the resource block RB to be allocated, and the value of P is 1~N.
The First Eigenvalue computing module 403, for calculating the First Eigenvalue of the Physical Cell Identifier PCI；Described
One characteristic value be the Physical Cell Identifier PCI divided by 3 remainder；
Second Eigenvalue computing module 404, for calculating the Second Eigenvalue of the system frame number SFN；Described second is special
Value indicative is remainder of the system frame number SFN divided by N+2；
Information resources allocation strategy division module 405 will be described for being directed to the different default initial resource block RB
Information resources allocation strategy is divided into the sub- allocation strategy of one or more resources；
Second resource block RB distribution module 406 to be allocated is used for according to the First Eigenvalue and the Second Eigenvalue,
Using the first resource allocation strategy, the Secondary resource allocation strategy and the sub- allocation strategy of one or more of resources point
With the resource block RB to be allocated.
In one preferred embodiment of the invention, the described second resource block RB distribution module 406 to be allocated includes:
Second resource block RB distribution sub module 4061 to be allocated, for the variation with the Second Eigenvalue, circulation pair
The same cell uses the first resource allocation strategy, the Secondary resource allocation strategy and one or more of resources
Sub- allocation strategy distributes the resource block RB to be allocated, also, the first resource allocation strategy and Secondary resource distribution
Strategy uses simultaneously, under any one of Second Eigenvalue, resource used by the different cell of the First Eigenvalue
Allocation strategy is different.
For device embodiment, since it is basically similar to the method embodiment, related so being described relatively simple
Place illustrates referring to the part of embodiment of the method.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculate
Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer program
The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions
In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these
Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices
Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram
The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices
In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet
The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram
The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that
Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus
The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart
And/or in one or more blocks of the block diagram specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Above to a kind of resource allocation methods and a kind of partial wideband of partial wideband uplink provided by the present invention
The resource allocation device of uplink, is described in detail, and specific case used herein is to the principle of the present invention and reality
The mode of applying is expounded, and the above description of the embodiment is only used to help understand the method for the present invention and its core ideas；Together
When, for those of ordinary skill in the art, according to the thought of the present invention, have in specific embodiments and applications
Change place, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (6)
1. a kind of resource allocation methods of partial wideband uplink, which is characterized in that the cell has corresponding physics small
Area identifies PCI, which comprises
Load preset multiple resource allocation policies；
Determine resource block RB to be allocated；
Calculate the First Eigenvalue of the Physical Cell Identifier PCI；The First Eigenvalue is that the Physical Cell Identifier PCI is removed
With 3 remainder；
According to the First Eigenvalue, the resource block RB to be allocated is distributed using the multiple resource allocation policy；
Wherein, the multiple resource allocation policy includes first resource allocation strategy, Secondary resource allocation strategy and information resources
Allocation strategy；The first resource allocation strategy is the serial number least resource block RB since the resource block RB to be allocated, according to
According to resource block RB to be allocated described in the order-assigned of serial number from small to large；The Secondary resource allocation strategy is from described to be allocated
Serial number maximum resource block RB starts in resource block RB, according to resource block RB to be allocated described in the order-assigned of serial number from big to small；
The information resources allocation strategy is since default initial resource block RB, and according to serial number, elder generation is from big to small again from small to large or first
Resource block RB to be allocated described in order-assigned again from big to small from small to large, the default initial resource block RB includes N number of money
The start sequence number of source block RB, N number of resource block RB are P × (M+1) ÷ (N+1), wherein N is the default integer greater than 0, and M is
The maximum value of the serial number of the resource block RB to be allocated, the value of P are 1~N；
The Second Eigenvalue of computing system frame number SFN；The Second Eigenvalue is remainder of the system frame number SFN divided by N+2；
For the different default initial resource block RB, the information resources allocation strategy is divided into one or more resources
Sub- allocation strategy；
According to the First Eigenvalue and the Second Eigenvalue, using the first resource allocation strategy, the Secondary resource
Allocation strategy and the sub- allocation strategy of one or more of resources distribute the resource block RB to be allocated.
2. use is the multiple the method according to claim 1, wherein described according to the First Eigenvalue
Resource allocation policy distribute the resource block RB to be allocated the step of include:
Institute is distributed using the first resource allocation strategy, the Secondary resource allocation strategy and the information resources allocation strategy
State resource block RB to be allocated；Wherein, resource allocation policy used by the different cell of the First Eigenvalue is different.
3. the method according to claim 1, wherein described according to the First Eigenvalue and the second feature
Value distributes plan using the first resource allocation strategy, the Secondary resource allocation strategy and one or more of resource
The step of slightly distributing the resource block RB to be allocated include:
With the variation of the Second Eigenvalue, circulation is to the same cell using the first resource allocation strategy, described the
Two resource allocation policies and the sub- allocation strategy of one or more of resources distribute the resource block RB to be allocated, also, institute
It states first resource allocation strategy and the Secondary resource allocation strategy while using, under any one of Second Eigenvalue,
Resource allocation policy used by the different cell of the First Eigenvalue is different.
4. a kind of resource allocation device of partial wideband uplink, which is characterized in that the cell has corresponding physics small
Area identifies PCI, and described device includes:
Resource allocation policy loading module, for loading preset multiple resource allocation policies；
Resource block RB determining module to be allocated, for determining resource block RB to be allocated；
The First Eigenvalue computing module, for calculating the First Eigenvalue of the Physical Cell Identifier PCI；The First Eigenvalue
For the Physical Cell Identifier PCI divided by 3 remainder；
First resource block RB distribution module to be allocated is used for according to the First Eigenvalue, using the multiple resource allocation plan
Slightly distribute the resource block to be allocated；
Wherein, the multiple resource allocation policy includes first resource allocation strategy, Secondary resource allocation strategy and information resources
Allocation strategy；The first resource allocation strategy is the serial number least resource block RB since the resource block RB to be allocated, according to
According to resource block RB to be allocated described in the order-assigned of serial number from small to large；The Secondary resource allocation strategy is from described to be allocated
Serial number maximum resource block RB starts in resource block RB, according to resource block RB to be allocated described in the order-assigned of serial number from big to small；
The information resources allocation strategy is since default initial resource block RB, and according to serial number, elder generation is from big to small again from small to large or first
Resource block RB to be allocated described in order-assigned again from big to small from small to large, the default initial resource block RB includes N number of money
The start sequence number of source block RB, N number of resource block RB are P × (M+1) ÷ (N+1), wherein N is the default integer greater than 0, and M is
The maximum value of the serial number of the resource block RB to be allocated, the value of P are 1~N；
Second Eigenvalue computing module, the Second Eigenvalue for computing system frame number SFN；The Second Eigenvalue is the system
Unite frame number SFN divided by N+2 remainder；
Information resources allocation strategy division module provides the third for being directed to the different default initial resource block RB
Source allocation strategy is divided into the sub- allocation strategy of one or more resources；
Second resource block RB distribution module to be allocated is used for according to the First Eigenvalue and the Second Eigenvalue, using institute
It states described in first resource allocation strategy, the Secondary resource allocation strategy and the sub- allocation strategy distribution of one or more of resources
Resource block RB to be allocated.
5. device according to claim 4, which is characterized in that the first resource block RB distribution module to be allocated includes:
First resource block RB distribution sub module to be allocated, for using the first resource allocation strategy, the Secondary resource point
The resource block RB to be allocated is distributed with strategy and the information resources allocation strategy；Wherein, the First Eigenvalue is different
Resource allocation policy used by cell is different.
6. device according to claim 4, which is characterized in that the second resource block RB distribution module to be allocated includes:
Second resource block RB distribution sub module to be allocated is recycled for the variation with the Second Eigenvalue to same small
Area distributes plan using the first resource allocation strategy, the Secondary resource allocation strategy and one or more of resource
The resource block RB to be allocated is slightly distributed, also, the first resource allocation strategy and the Secondary resource allocation strategy are simultaneously
Using, under any one of Second Eigenvalue, resource allocation policy used by the different cell of the First Eigenvalue
It is different.
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| CN110035548B (en) * | 2018-01-12 | 2022-12-30 | 华为技术有限公司 | Communication method and communication device |
| CN110620642B (en) * | 2018-06-20 | 2021-02-09 | 上海华为技术有限公司 | Method and device for allocating time-frequency resources |
| CN110913368A (en) * | 2018-09-18 | 2020-03-24 | 大唐移动通信设备有限公司 | Resource scheduling method and device in rail transit communication system |
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| CN102291827A (en) * | 2011-07-26 | 2011-12-21 | 中兴通讯股份有限公司 | Method and device for allocating inter-cell interference coordination (ICIC) edge bandwidth resources |
| CN102291350A (en) * | 2010-06-21 | 2011-12-21 | 中兴通讯股份有限公司 | Channel measurement pilot transmitting method and device |
| CN104394592A (en) * | 2014-11-14 | 2015-03-04 | 大唐移动通信设备有限公司 | Method, device and base station for allocation of PRB resources |
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| CN102291350A (en) * | 2010-06-21 | 2011-12-21 | 中兴通讯股份有限公司 | Channel measurement pilot transmitting method and device |
| CN102291827A (en) * | 2011-07-26 | 2011-12-21 | 中兴通讯股份有限公司 | Method and device for allocating inter-cell interference coordination (ICIC) edge bandwidth resources |
| CN104394592A (en) * | 2014-11-14 | 2015-03-04 | 大唐移动通信设备有限公司 | Method, device and base station for allocation of PRB resources |
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