CN103338455B - Communication resource allocation method, system, terminal and network side equipment - Google Patents
Communication resource allocation method, system, terminal and network side equipment Download PDFInfo
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- CN103338455B CN103338455B CN201310225972.6A CN201310225972A CN103338455B CN 103338455 B CN103338455 B CN 103338455B CN 201310225972 A CN201310225972 A CN 201310225972A CN 103338455 B CN103338455 B CN 103338455B
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Abstract
The embodiment of the present invention provides a kind of communication resource allocation method, system, terminal and network side equipment, and wherein method includes：Leakage noise ratio value is currently believed in terminal device measurement, and the current affiliated user grouping of terminal device is determined with by current letter leakage noise ratio value；When user grouping belonging to current is Cell Center User group, receive the corresponding information of central user transmission band that network side equipment is distributed, access the central user transmission band, in the central user transmission band, the transmission power determined with predetermined power control mode is used to carry out uplink；When user grouping belonging to current is Cell Edge User group, receive the corresponding information of edge customer transmission band that network side equipment is distributed, the edge customer transmission band is accessed, in the edge customer transmission band, uplink is carried out using transmission power maximum permissible value.The embodiment of the present invention realizes the suppression of co-channel interference in heterogeneous network.
Description
Technical field
The present invention relates to communication technical field, more specifically to a kind of communication resource allocation method, system, terminal
And network side equipment.
Background technology
Up-link in a wireless communication system, due to the users to share frequency range between different base station, therefore is present same
Frequently the phenomenon of interference, i.e., have mutual interference with the base station of frequency deployment, and any base station can all receive to come from accesses other
The uplink interference of community user, especially for the user in a cell or multiple MPS process edges, what it was used
The relatively large therefore caused inter-cell interference of uplink transmission power is more serious.
Current network is broadly divided into homogeneous network and heterogeneous network；Heterogeneous network framework refers in traditional base station covering
In the range of macrocell, the microcell base station of one or more low transmitting power is disposed according to demand, for the focus of small range
Covering etc..These microcell base stations share the special frequency range of GSM with macro base station, such that it is able to improve system entirety
The availability of frequency spectrum simultaneously strengthens the user's transmission rate in microcell base station coverage.In up heterogeneous system, due to accessing
The user of macro base station and the users to share frequency range of access microcell base station, therefore there is the phenomenon of co-channel interference, i.e., disposed with frequency
Grand micro-base station have a mutual interference, any grand/micro-base station can all be received to come from and access the up of other community users
Interference, such as macro base station are accessed disturbing for the user of same frequency micro-base station, and macro base station is used by accessing other with frequency macro base station
The interference at family, micro-base station is accessed disturbing for the user of same frequency macro base station, and micro-base station is subject to access other with frequency micro-base station
The interference of user；Especially for the user in a cell or multiple MPS process edges, its up transmitting for using
The relatively large therefore caused inter-cell interference of power is more serious.
At present for the Restrain measurement of co-channel interference, in traditional homogeneous network, prior art is generally by control
Row power suppresses co-channel interference, and such as each user is according to itself QoS（Service quality）It is required that and the user between master base station
Large scale path loss configure transmission power intensity, if user distance master base station is farther out, path loss is larger, then use
Family will to a certain extent improve the transmission power of itself, to ensure user uplink Signal-to-Noise that base station receives at one
In desired level, so as to reduce the interference of minizone.
However, due to the deployment more crypto set of heterogeneous network medium and small interval in heterogeneous network, so a user is to quilt
The distance of the cell of interference is closer to the uplink interference problem in heterogeneous network is more serious than traditional homogeneous network.In heterogeneous network
In network, because possible random distribution the Microcell of some low-power, small covering inside macro base station, if located in macrocell side
The user of edge increases transmission power, because it is nearby with the presence of Microcell covering, therefore can be up to what is received in Microcell
Subscriber signal produces obvious interference, so as to influence the user performance in picocell coverage area.It can be seen that, in existing homogeneous network
Using suppress co-channel interference by controlling ascending power by the way of be not particularly suited for heterogeneous network, therefore provide it is a kind of both
Suitable for homogeneous network again suitable for the co-channel interference Restrain measurement of heterogeneous network, realize that the co-channel interference in communication network suppresses
Problem as those skilled in the art's urgent need to resolve.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of communication resource allocation method, system, terminal and network side equipment,
To realize the suppression of co-channel interference in communication network.
To achieve the above object, the embodiment of the present invention provides following technical scheme：
In a first aspect, the embodiment of the present invention provides a kind of communication resource allocation method, including：
The current letter leakage noise ratio value of terminal device measurement, determines that the terminal device is worked as with by the current letter leakage noise ratio value
User grouping belonging to preceding, user grouping includes Cell Center User group and Cell Edge User group；
When the current affiliated user grouping of the terminal device is Cell Center User group, receives network side equipment and divide
The corresponding information of central user transmission band matched somebody with somebody, accesses the central user transmission band, in the central user transmitting pin
Take, use the transmission power determined with predetermined power control mode to carry out uplink；
When the current affiliated user grouping of the terminal device is Cell Edge User group, receives network side equipment and divide
The corresponding information of edge customer transmission band matched somebody with somebody, accesses the edge customer transmission band, the edge customer transmission band
It is whole frequency bands or partial-band in heterogeneous network in addition to central user transmission band, in the edge customer transmission band
On, carry out uplink using transmission power maximum permissible value.
Second aspect, the embodiment of the present invention provides a kind of communication resource allocation method, including：
Determine the current affiliated user grouping of terminal device, user grouping includes that Cell Center User group and cell edge are used
Family group；
It is the terminal device distribution when the current affiliated user grouping of the terminal device is Cell Center User group
Central user transmission band, is sent to the terminal device, so that described by the corresponding information of the central user transmission band
Terminal device uses the transmission power determined with predetermined power control mode to carry out in the central user transmission band
Row transmission；
It is the terminal device distribution when the current affiliated user grouping of the terminal device is Cell Edge User group
Edge customer transmission band, is sent to the terminal device, so that described by the corresponding information of the edge customer transmission band
Terminal device carries out uplink, the edge in the edge customer transmission band using transmission power maximum permissible value
User's transmission band is the whole frequency bands or partial-band in heterogeneous network in addition to central user transmission band.
The third aspect, the embodiment of the present invention provides a kind of communication resource allocation systems, including：
First user is grouped determining module, leakage noise ratio value is currently believed for measuring terminals equipment, with by the current letter
Leakage noise ratio value determines the current affiliated user grouping of the terminal device, and user grouping includes Cell Center User group and cell side
Edge user's group；
First receiver module, for when the user grouping belonging to the terminal device is current is Cell Center User group,
Receive the corresponding information of central user transmission band that network side equipment is distributed；
First AM access module, for accessing the central user transmission band；
First transport module, for when first AM access module accesses the central user transmission band, described
In central user transmission band, the transmission power determined with predetermined power control mode is used to carry out uplink；
Second receiver module, for when the user grouping belonging to the terminal device is current is Cell Edge User group,
Receive the corresponding information of edge customer transmission band that network side equipment is distributed；
Second AM access module, for accessing the edge customer transmission band, the edge customer transmission band is isomery
Whole frequency bands or partial-band in network in addition to central user transmission band；
Second transport module, for when second AM access module accesses the edge customer transmission band, using hair
Penetrating power maximum permissible value carries out uplink.
Fourth aspect, the embodiment of the present invention provides a kind of terminal device, including communication resource allocation systems described above.
5th aspect, the embodiment of the present invention provides a kind of communication resource allocation systems, including：
Second user is grouped determining module, and for determining the current affiliated user grouping of terminal device, user grouping includes
Cell Center User group and Cell Edge User group；
First distribute module, for when second user packet determining module determine the terminal device it is current belonging to
It is terminal device distributing center user's transmission band, by the central user when user grouping is Cell Center User group
The corresponding information of transmission band is sent to the terminal device, so that the terminal device is in the central user transmission band
On, use the transmission power determined with predetermined power control mode to carry out uplink；
Second distribute module, for when second user packet determining module determine the terminal device it is current belonging to
It is terminal device allocations of edge user's transmission band, by the edge customer when user grouping is Cell Edge User group
The corresponding information of transmission band is sent to the terminal device, so that the terminal device is in the edge customer transmission band
On, uplink is carried out using transmission power maximum permissible value, the edge customer transmission band is heterogeneous network Zhong Chu centers
Whole frequency bands or partial-band outside user's transmission band.
6th aspect, the embodiment of the present invention provides a kind of network side equipment, including communication resource distribution system described above
System.
7th aspect, the embodiment of the present invention provides a kind of terminal device, including：Processor, communication interface, memory and logical
Letter bus；
Wherein described processor, the communication interface, the memory complete mutual leading to by the communication bus
Letter；
The communication interface, for when the current affiliated user grouping of terminal device is Cell Center User group, receiving
The corresponding information of central user transmission band that network side equipment is distributed；It is small in the current affiliated user grouping of terminal device
During area edge user's group, the corresponding information of edge customer transmission band that network side equipment is distributed is received；
The processor, for configuration processor；
The memory, for depositing program；
Its Program is used for：
Measuring terminals equipment currently believes leakage noise ratio value, determines that the terminal device is worked as with by the current letter leakage noise ratio value
User grouping belonging to preceding, user grouping includes Cell Center User group and Cell Edge User group；
When the current affiliated user grouping of the terminal device is Cell Center User group, receives network side equipment and divide
The corresponding information of central user transmission band matched somebody with somebody, accesses the central user transmission band, in the central user transmitting pin
Take, use the transmission power determined with predetermined power control mode to carry out uplink；
When the current affiliated user grouping of the terminal device is Cell Edge User group, receives network side equipment and divide
The corresponding information of edge customer transmission band matched somebody with somebody, accesses the edge customer transmission band, the edge customer transmission band
It is whole frequency bands or partial-band in heterogeneous network in addition to central user transmission band, in the edge customer transmission band
On, carry out uplink using transmission power maximum permissible value.
Eighth aspect, the embodiment of the present invention provides a kind of network side equipment, including：
Processor, communication interface, memory and communication bus；
Wherein described processor, the communication interface, the memory complete mutual leading to by the communication bus
Letter；
The communication interface, for when the current affiliated user grouping of terminal device is Cell Center User group, by institute
The corresponding information of central user transmission band of distribution is sent to the terminal device；In the current affiliated user point of terminal device
When group is for Cell Edge User group, the corresponding information of edge customer transmission band that will be distributed is sent to the terminal device；
The processor, for configuration processor；
The memory, for depositing program；
Its Program is used for：
Determine the current affiliated user grouping of terminal device, user grouping includes that Cell Center User group and cell edge are used
Family group；
It is the terminal device distribution when the current affiliated user grouping of the terminal device is Cell Center User group
Central user transmission band, is sent to the terminal device, so that described by the corresponding information of the central user transmission band
Terminal device uses the transmission power determined with predetermined power control mode to carry out in the central user transmission band
Row transmission；
It is the terminal device distribution when the current affiliated user grouping of the terminal device is Cell Edge User group
Edge customer transmission band, is sent to the terminal device, so that described by the corresponding information of the edge customer transmission band
Terminal device carries out uplink, the edge in the edge customer transmission band using transmission power maximum permissible value
User's transmission band is the whole frequency bands or partial-band in heterogeneous network in addition to central user transmission band.
Based on above-mentioned technical proposal, be grouped into for terminal device by communication resource allocation method provided in an embodiment of the present invention
Cell Center User group and Cell Edge User group, terminal device will measure current letter leakage noise ratio value, with by the current letter
Leakage noise ratio value determines the current affiliated user grouping of the terminal device；User grouping belonging to current for terminal device is small
During district center user's group, terminal device receives the corresponding information of central user transmission band that network side equipment is distributed, and accesses
The central user transmission band, in the central user transmission band, uses what is determined with predetermined power control mode
Transmission power carries out uplink；When user grouping belonging to current for terminal device is Cell Edge User group, terminal sets
It is standby to receive the corresponding information of edge customer transmission band that network side equipment is distributed, the edge customer transmission band is accessed,
In the edge customer transmission band, uplink is carried out using transmission power maximum permissible value.The embodiment of the present invention passes through
The letter leakage noise ratio value of terminal device, central user and edge customer are divided into by each community user, and Cell Center User is shared different
The special frequency range in part in structure network system, and uplink is carried out with the transmission power that predetermined power control mode determines；
Cell Edge User is being left to carry out uplink using maximum transmission power in special frequency range.The embodiment of the present invention is by for small
District center user and Cell Edge User carry out different frequency spectrum resource distribution, and use different power control modes, different
The suppression of co-channel interference is realized in network forming network so that the inter-cell interference reduction in heterogeneous network, improve the user of cell
Performance；Same communication resource allocation method provided in an embodiment of the present invention is also applied for the other kinds of network such as homogeneous network.
Communication resource allocation method provided in an embodiment of the present invention realizes the suppression of co-channel interference in a communication network.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the flow chart of communication resource allocation method provided in an embodiment of the present invention；
Fig. 2 is the flow chart of the current affiliated user grouping of determination terminal device provided in an embodiment of the present invention；
Fig. 3 is another flow chart of the current affiliated user grouping of determination terminal device provided in an embodiment of the present invention；
Fig. 4 is another flow chart of communication resource allocation method provided in an embodiment of the present invention；
Fig. 5 is the another flow chart of communication resource allocation method provided in an embodiment of the present invention；
Fig. 6 is the structured flowchart of communication resource allocation systems provided in an embodiment of the present invention；
Fig. 7 is the structured flowchart that first user provided in an embodiment of the present invention is grouped determining module；
Fig. 8 is another structured flowchart that first user provided in an embodiment of the present invention is grouped determining module；
Fig. 9 is the structured flowchart of the first transport module provided in an embodiment of the present invention；
Figure 10 is another structured flowchart of the first transport module provided in an embodiment of the present invention；
Figure 11 is another structured flowchart of communication resource allocation systems provided in an embodiment of the present invention；
Figure 12 is the another structured flowchart of communication resource allocation systems provided in an embodiment of the present invention；
Figure 13 is the structured flowchart that second user provided in an embodiment of the present invention is grouped determining module；
Figure 14 is the structured flowchart of the first sending module provided in an embodiment of the present invention；
Figure 15 is another structured flowchart of communication resource allocation systems provided in an embodiment of the present invention；
Figure 16 is the structured flowchart of terminal device provided in an embodiment of the present invention.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 is the flow chart of communication resource allocation method provided in an embodiment of the present invention, and the method is from terminal device
Angle（That is user level）To embody communication resource allocation method provided in an embodiment of the present invention, reference picture 1, the method can be wrapped
Include：
Step S100, the current letter leakage noise ratio value of terminal device measurement, with described by the current letter leakage noise ratio value determination
User grouping belonging to terminal device is current；
Wherein, user grouping includes Cell Center User group and Cell Edge User group；The embodiment of the present invention is by network（Bag
Include the network of heterogeneous network and other types, such as homogeneous network）In community user be divided into Cell Center User and cell side
Edge user, the group where Cell Center User is referred to as Cell Center User group, and the group where Cell Edge User is referred to as cell side
Edge user's group；And Cell Center User group and Cell Edge User group use different spectral bandwidths.Therefore set for terminal
, it is necessary to user grouping belonging to clear and definite terminal device is current when back-up matches somebody with somebody spectral bandwidth, that is, in judging that terminal device is currently belonged to
Heart user's group or Cell Edge User group.
The judgment principle of the user grouping belonging to terminal device is current can be：The current letter leakage noise ratio of measuring terminals equipment
Value（SLNR）, by believing the comparison result of leakage noise ratio value and predetermined threshold, judge the current affiliated user grouping of terminal device,
If current letter leakage noise ratio value is not less than predetermined threshold, terminal device currently belongs to Cell Center User group, if current
Letter leakage noise ratio value is less than predetermined threshold, then terminal device currently belongs to Cell Edge User group.On implementing, can be by end
End equipment measurement letter leakage noise ratio value, the comparison of the letter leakage noise ratio value and predetermined threshold that are measured by terminal device, and according to
Comparison result judges that terminal device owning user is grouped；Also can be entered by network side equipment by terminal device measurement letter leakage noise ratio value
The letter leakage noise ratio value of row measurement is used with the comparison of predetermined threshold, network side equipment according to belonging to comparison result judges terminal device
Family is grouped, and will determine that result notifies terminal device.
Above-mentioned the first implementation can refer to Fig. 2, and Fig. 2 is the current institute of determination terminal device provided in an embodiment of the present invention
The flow chart of the user grouping of category, the flow can include：
Step S1001, the current letter leakage noise ratio value of measurement；
Step S1002, by it is described it is current letter leakage noise ratio value and predetermined threshold compare；
If step S1003, current letter leakage noise ratio value are not less than the predetermined threshold, it is determined that the user point belonging to current
Group is Cell Center User group；
If step S1004, the current letter leakage noise ratio value are less than the predetermined threshold, it is determined that the user belonging to current
It is grouped into Cell Edge User group.
Above-mentioned second implementation can refer to Fig. 3, and Fig. 3 is the current institute of determination terminal device provided in an embodiment of the present invention
Another flow chart of the user grouping of category, the flow can include：
Step S1010, the current letter leakage noise ratio value of measurement；
Step S1011, the current letter leakage noise ratio value is sent to network side equipment, so that the network side equipment is by institute
State current letter leakage noise ratio to compare with predetermined threshold, and network side equipment is determined the terminal device by comparison result
User grouping belonging to current；
Specifically, if the comparison result of network side equipment is not less than the predetermined threshold for current letter leakage noise ratio value,
Network side equipment determines that the current affiliated user grouping of terminal device is Cell Center User group；The comparison result of network side equipment
For current letter leakage noise ratio value is less than the predetermined threshold, then network side equipment determines the current affiliated user grouping of terminal device
It is Cell Edge User group.
Step S1012, the notice for receiving the current affiliated user grouping of terminal device determined by network side equipment, so that
The terminal device determines current affiliated user grouping.
Optionally, the mode of the current affiliated user grouping of terminal device is determined shown in Fig. 2 and Fig. 3 can be used cooperatively, such as
When the computing resource of fruit present terminal equipment is more（When being more than a certain setting value such as idle computing resources）, terminal device can use
Mode shown in Fig. 2 is locally currently being believed the comparison of leakage noise ratio value and predetermined threshold, so that it is determined that user grouping；If worked as
When the computing resource of preceding terminal device is less（When being less than a certain setting value such as idle computing resources）, terminal device cannot be good
Compared row information is locally entered, terminal device can currently be believed leakage noise ratio value using mode shown in Fig. 3 at network side equipment end
With the comparison of predetermined threshold, so that it is determined that user grouping.
It is worth noting that, step S1012 is optional, network side equipment is it is determined that the current affiliated user of terminal device
After packet, can not will also determine that result notifies, to terminal device, directly to perform step S110 or step S120, i.e., will not determine to tie
Fruit is notified to terminal device, but directly the band information that will be distributed is sent to terminal device.
Optionally, measuring the mode of current letter leakage noise ratio value can be：
According to formulaThe current letter leakage noise ratio value of measurement；
Wherein ηkThe user equipment (UE) of letter leakage noise ratio value for to(for) kth base station, PLkRepresent terminal device and serving BS it
Between large scale path loss,Terminal device to the path loss of the non-serving base stations in residing network is represented, L represents net
Total base station number in network,It is the transmission power of UE, σ is the energy of interference noise, and k is current target BS numbering, and j is to receive
To the numbering of the base station of interference.
It is worth noting that, the implementation of measurement letter leakage noise ratio value has various, the implementation of above-mentioned offer is only can
Choosing.
Step S110, when the user grouping belonging to the terminal device is current is Cell Center User group, receive network
The corresponding information of central user transmission band that side apparatus are distributed, accesses the central user transmission band, at the center
In user's transmission band, the transmission power determined with predetermined power control mode is used to carry out uplink；
Step S120, when the user grouping belonging to the terminal device is current is Cell Edge User group, receive network
The information of the edge customer transmission band that side apparatus are distributed, accesses the edge customer transmission band, in the edge customer
In transmission band, uplink is carried out using transmission power maximum permissible value.
The embodiment of the present invention uses the frequency band and edge that the whole system spectral bandwidth of network is divided into central user transmission
The frequency band of family transmission, i.e. Cell Center User group correspondence central user transmission band, Cell Edge User group corresponding edge user
Transmission band, wherein, edge customer transmission band is the whole frequency bands in network in addition to central user transmission band or part frequency
Band, can preset, also dependent in heterogeneous network for edge customer transmission band and central user transmission band
Frequency band service condition is changed to predetermined edge customer transmission band and central user transmission band.Set terminal is determined
After standby current affiliated user grouping, the owning user that access network side apparatus are distributed by terminal device is grouped corresponding frequency
Band, specifically, when the current affiliated user grouping of terminal device is Cell Center User group, receiving network side equipment and being distributed
The corresponding information of central user transmission band, access network side apparatus distribution central user transmission band；Work as terminal device
When user grouping belonging to current is Cell Edge User group, the edge customer transmission band pair that network side equipment is distributed is received
The information answered, the edge customer transmission band of access network side apparatus distribution.
If it should be noted that step S100 carries out the current affiliated user grouping of terminal device using mode shown in Fig. 2
Determination, then to enable network side equipment to distribute corresponding frequency band to terminal device, terminal device determine it is current belonging to
, it is necessary to the user grouping information reporting belonging to will be current is to network side equipment after user grouping, so that network side equipment can enter
The distribution of row correspondence frequency band.Specifically, when the user grouping belonging to current in terminal device is Cell Center User group, terminal sets
It is standby to notify that the current owning user of network side equipment is grouped into Cell Center User group, network side equipment after the notice is received,
It is terminal device distributing center user's transmission band, the corresponding information of central user transmission band is notified to terminal device, it is whole
After the corresponding information of central user transmission band that network side equipment sends is received, access network side apparatus are distributed end equipment
Central user transmission band；User grouping belonging to terminal device is current is that the situation of Cell Edge User group is similar,
Reference can be carried out.
If step S100 uses mode shown in Fig. 3, leakage noise ratio value and predetermined threshold are currently believed at network side equipment end
The comparison of value, and the timing really of current affiliated user grouping, network side equipment can directly for terminal device distributes corresponding frequency
Band, corresponding band information is sent to terminal device, so that in the corresponding frequency band of terminal device access.
In transmission power control, the embodiment of the present invention is for Cell Center User group and Cell Edge User group using not
Same transmission power control strategy；For Cell Center User group, in central user transmission band, terminal device is used with pre-
The transmission power that fixed power control mode determines carries out uplink；For Cell Edge User group, in edge customer transmission
On frequency band, terminal device carries out uplink using transmission power maximum permissible value.
Optionally, for Cell Center User group, the predetermined power control mode for determining transmission power can be by dividing
Cloth Power Control formula, or Centralized Power Control formula carries out the determination of transmission power；Distributed power control formula
It is chosen as FPC（Fractional Power Control, Partial Power control）Formula, Centralized Power Control formula is chosen as
Centralized GP（Geometric Programming, geometric programming）Formula.Can be that terminal device passes through on implementing
Distributed power control formula, or Centralized Power Control formula determines transmission power, so as in central user transmission band
On, carry out uplink using identified transmission power；Can also be that network side equipment passes through distributed power control formula,
Or after Centralized Power Control formula calculates transmission power level, terminal device receives transmission power determined by network side equipment
It is worth corresponding information, so that terminal device is in central user transmission band, uses the corresponding hair of the transmission power level
Penetrating power carries out uplink.
Communication resource allocation method provided in an embodiment of the present invention, Cell Center User group and small is grouped into by terminal device
Area edge user's group, terminal device will measure current letter leakage noise ratio value, and the end is determined with by the current letter leakage noise ratio value
User grouping belonging to end equipment is current；When user grouping belonging to current for terminal device is Cell Center User group, eventually
End equipment receives the corresponding information of central user transmission band that network side equipment is distributed, and accesses the central user transmitting pin
Band, in the central user transmission band, uses the transmission power determined with predetermined power control mode to carry out up biography
It is defeated；When user grouping belonging to current for terminal device is Cell Edge User group, terminal device receives network side equipment institute
The corresponding information of edge customer transmission band of distribution, accesses the edge customer transmission band, in edge customer transmission
On frequency band, uplink is carried out using transmission power maximum permissible value.The letter leakage noise ratio that the embodiment of the present invention passes through terminal device
Value, central user and edge customer, the part in the shared heterogeneous network system of Cell Center User are divided into by each community user
Special frequency range, and uplink is carried out with the transmission power that predetermined power control mode determines；Cell Edge User is remaining
Uplink is carried out using maximum transmission power in special frequency range.The embodiment of the present invention is by being Cell Center User and cell side
Edge user carries out different frequency spectrum resource distribution, and uses different power control modes, is realized in heterogeneous network with frequency
The suppression of interference so that the inter-cell interference reduction in heterogeneous network, improves the user performance of cell；The same present invention is implemented
The communication resource allocation method that example is provided is also applied for the other kinds of network such as homogeneous network.It is provided in an embodiment of the present invention logical
Letter resource allocation methods realize the suppression of co-channel interference in a communication network.
Optionally, the realization for determining transmission power with Centralized Power Control formula can be carried out at network side equipment end,
Can also be carried out in terminal；It should be noted that being carried out and the difference carried out in terminal at network side equipment end
It is not：When network side equipment end is carried out, network side equipment end needs to notify to be set to terminal by identified transmission power level
It is standby.The optional implementation for determining transmission power with centralized GP formula can be：
For any given any Resource Block（RB）, according to formulaDetermine transmission power；
Wherein,ρmRepresent the transmitting work(of the terminal device m on any given any RB
Rate,Represent the maximum transmission power that terminal device m is allowed on single RB, rm,lBe in l-th cell it is described arbitrarily to
The signal to noise ratio of the terminal device m on fixed any RB, wlRepresent the weights of user's transmission rate in l-th cell, wlFor ensureing
The priority or fairness of different districts user, L represent that heterogeneous network includes total base station number of macro base station and microcell base station,
L represents any cell base station in heterogeneous network.As can be seen that the implementation of above-mentioned determination transmission power is actually one
Variable dimension is the standard GP problems of L, is that can determine that transmission power using centralized GP formula.Wherein,It can be transmitting
Power maximum permissible value ρmaxAfter being evenly distributed on all RB shared by terminal device m, allowed on the single RB for being calculated
Maximum transmission power.
Optionally, Power Control formula determines that the realization of transmission power can be carried out at network side equipment end in a distributed manner,
Can also be carried out in terminal, both difference are：When network side equipment end is carried out, network side equipment end need by
Identified transmission power level is notified to terminal device.FPC formula determine that the optional implementation of transmission power can in a distributed manner
To be：
According to formulaDetermine transmission power；
Wherein, ρkRepresent transmission power to be determined, ρmaxRepresent transmission power maximum permissible value, P0Represent user every
Default target received power on individual RB, M is the up RB quantity for distributing to the user, and PL is that the downlink path of user's measurement is damaged
Consumption, α is path loss penalty coefficient.
Optionally, method shown in Fig. 1 can also be used when terminal device accesses the edge customer transmission band at edge
In the transmission band of family, the RB that acquisition is obtained with semi-perpendicular frequency band sharing mode.I.e. network side equipment is in edge customer transmitting pin
Take as terminal device carries out semi-perpendicular RB distribution, network side equipment can be access side with semi-perpendicular frequency band sharing mode
The terminal device distribution RB of edge user's transmission band.The semi-perpendicular frequency band sharing mode refers to, interferes and set less than a certain
The cell of definite value, using identical frequency band, and interferes the cell higher than a certain setting value, uses different frequency bands.
Optionally, the semi-perpendicular frequency band sharing mode for being used can be：
Arbitrarily one cell l of selection1, one is selected in edge customer set and has taken the minimum user of RB numbers（Terminal
Equipment）k1And calculate the user and can be obtained transmission rate R1It is as follows：
WhereinRepresent the user k1Signal to noise ratio.Then, a user k is selected from other cells1It is disturbed
It is minimum（I.e. in j ≠ l1InMaximum correspondence）Cell l2.From cell l2In select user k2Meet following relations：
Wherein R2(k1, k) it is cell l1Middle user k1With cell l2In any user's k common transports when transmission rate, meter
Calculate formula and R1It is similar.If R2(k1, k2)≤R1, then the RB be assigned to only cell l1In user k1, not with other community users
It is shared.If R2(k1, k2) ＞ R1And the number of users of the RB is shared less than an integer value δ set in advance（≤L）, then user k1With
k2It is shared；Above step is repeated until the RB is not shared with other community users.Each RB of edge customer frequency band is according to upper
The edge customer that allocative decision distributes to each cell is stated, until all RB are assigned.
Communication resource allocation method provided in an embodiment of the present invention is described with the angle of network side equipment below, net
Network side apparatus can be base station, and communication resource allocation method described below is provided with the communication for being described with user perspective above
Source distribution method is corresponding, and both can be cross-referenced.
Fig. 4 is another flow chart of communication resource allocation method provided in an embodiment of the present invention, reference picture 4, and the method can
To include：
Step S200, determine terminal device it is current belonging to user grouping, user grouping include Cell Center User group and
Cell Edge User group；
Optionally, determining the process of the current affiliated user grouping of terminal device can be：Transmitted by receiving terminal apparatus
Current letter leakage noise ratio value；Current letter leakage noise ratio value is compared with predetermined threshold；If the current letter leakage noise ratio value is not
Less than the predetermined threshold, it is determined that the user grouping belonging to current is Cell Center User group；If current letter leakage is made an uproar
Ratio is less than the predetermined threshold, it is determined that the user grouping belonging to current is Cell Edge User group.
Optionally, determine that the process of the current affiliated user grouping of terminal device can also be：Terminal device is by currently
Letter leakage noise ratio value is compared with predetermined threshold, and the current affiliated user grouping of terminal device is determined by comparison result
Afterwards, the current affiliated user grouping situation of terminal device that will be determined is notified to network side equipment.
Step S210, when the user grouping belonging to the terminal device is current is Cell Center User group, be the end
End equipment distributing center user's transmission band, is sent to the corresponding information of the central user transmission band terminal and sets
It is standby, so that the terminal device is in the central user transmission band, use the hair determined with predetermined power control mode
Penetrating power carries out uplink；
Step S220, when the user grouping belonging to the terminal device is current is Cell Edge User group, be the end
End equipment allocations of edge user's transmission band, is sent to the corresponding information of the edge customer transmission band terminal and sets
It is standby, so that the terminal device carries out up biography in the edge customer transmission band using transmission power maximum permissible value
It is defeated.
Wherein, edge customer transmission band is the whole frequency bands in heterogeneous network in addition to central user transmission band or part
Frequency band；The embodiment of the present invention is by network（Including heterogeneous network and other kinds of network）In community user be grouped into cell
Heart user's group and Cell Edge User group, the user of Cell Center User group use central user transmission band, and cell edge is used
The user of family group uses edge customer transmission band；Therefore after the current affiliated user grouping of terminal device is determined, network
Side apparatus can distribute corresponding frequency band for terminal device.
Optionally, in step S210 so that the terminal device is in the central user transmission band, using making a reservation for
The transmission power that determines of power control mode carry out the implementation of uplink and can be：Network side equipment is by distribution
Power Control formula, or Centralized Power Control formula determines the transmission power level of the terminal device, by identified hair
Penetrate the corresponding information of performance number and be sent to the terminal device, so that the terminal device is in the central user transmission band
On, carry out uplink using the corresponding transmission power of transmission power level determined by network side equipment；Wherein distributed power
Control formula is chosen as distributed FPC formula, and Centralized Power Control formula is chosen as centralized GP formula.
Optionally, method shown in Fig. 4 when terminal device accesses the edge customer transmission band, may be used also by network side equipment
It is to access the terminal device in edge customer transmission band to distribute RB with semi-perpendicular frequency band sharing mode.
The embodiment of the present invention is distributed by for Cell Center User and Cell Edge User carry out different frequency spectrum resources, and
Using no power control mode, the suppression of co-channel interference is realized in heterogeneous network so that the cell in heterogeneous network
Between disturb reduce；It is other kinds of that same communication resource allocation method provided in an embodiment of the present invention is also applied for homogeneous network etc.
Network.Communication resource allocation method provided in an embodiment of the present invention realizes the suppression of co-channel interference in a communication network.
With reference to terminal device angle and network side equipment angle, there is provided a kind of more preferred communication resource distribution side
Method.Fig. 5 is the another flow chart of communication resource allocation method provided in an embodiment of the present invention, and reference picture 5, the method can be wrapped
Include：
Step S300, the current letter leakage noise ratio value of terminal device measurement, network side is sent to by measured letter leakage noise ratio value
Equipment；
Step S310, network side equipment compare the current letter leakage noise ratio value for receiving and predetermined threshold, if comparing
Result is not less than the predetermined threshold for current letter leakage noise ratio value, performs step S320, if comparison result is made an uproar for the leakage of current letter
Ratio is less than the predetermined threshold, performs step S350；
Step S320, network side equipment determine that the current affiliated user grouping of terminal device is Cell Center User group, are
Terminal device distributing center user's transmission band；
When there are multiple terminal devices, the mode that resource is evenly distributed can be used to be passed for terminal device distributing center user
Defeated frequency band.
Step S330, network side equipment use distribution FPC formula, or centralization GP formula to determine the hair of terminal device
Performance number is penetrated, the corresponding information of the transmission power level is sent to terminal device；
Step S340, terminal device carry out uplink using the corresponding transmission power of the transmission power level；
Step S350, network side equipment determine that the current affiliated user grouping of terminal device is Cell Edge User group, are
Terminal device allocations of edge user's transmission band；
Step S360, network side equipment in edge customer transmission band, with semi-perpendicular frequency band sharing mode as terminal
Equipment distributes RB；
Step S370, terminal device are carried out in the edge customer transmission band using transmission power maximum permissible value
Uplink.
Communication resource allocation systems provided in an embodiment of the present invention are described below, the communication resource described below point
Match system, with above with terminal device angle describe communication resource allocation method it is corresponding, both can be cross-referenced.
Fig. 6 is the structured flowchart of communication resource allocation systems provided in an embodiment of the present invention, reference picture 6, and the system can be with
Including：
First user is grouped determining module 100, and leakage noise ratio value is currently believed for measuring terminals equipment, with by described current
Letter leakage noise ratio value determines the current affiliated user grouping of the terminal device, and user grouping includes Cell Center User group and cell
Edge customer group；
First receiver module 110, is Cell Center User group for the user grouping belonging to current when the terminal device
When, receive the corresponding information of central user transmission band that network side equipment is distributed；
First AM access module 120, for accessing the central user transmission band；
First transport module 130, for when the first AM access module 120 accesses the central user transmission band, in institute
State in central user transmission band, use the transmission power determined with predetermined power control mode to carry out uplink；
Second receiver module 140, is Cell Edge User group for the user grouping belonging to current when the terminal device
When, receive the corresponding information of edge customer transmission band that network side equipment is distributed；
Second AM access module 150, for accessing the edge customer transmission band, the edge customer transmission band is different
Whole frequency bands or partial-band in network forming network in addition to central user transmission band；
Second transport module 160, for when the second AM access module 150 accesses the edge customer transmission band, using
Transmission power maximum permissible value carries out uplink.
Optionally, first user packet determining module 100 structure can as shown in fig. 7, comprises：
First measuring unit 1001, for according to formulaThe current letter leakage of measurement
Make an uproar ratio, wherein ηkThe user equipment (UE) of letter leakage noise ratio value for to(for) kth base station, PLkRepresent between terminal device and serving BS
Large scale path loss,Terminal device to the path loss of the non-serving base stations in residing heterogeneous network is represented, L is represented
Total base station number of base station in network,It is the transmission power of UE, σ is the energy of interference noise, and k is that current target BS is compiled
Number, j is the numbering of the base station being interfered；
First transmitting element 1002, for the current letter leakage noise ratio value measured by the first measuring unit 1001 to be sent into net
Network side apparatus, so that the network side equipment compares the current letter leakage noise ratio value with predetermined threshold, and make described
Network side equipment determines the current affiliated user grouping of the terminal device by comparison result；
Wherein, if comparison result for it is described it is current letter leakage noise ratio be not less than the predetermined threshold when, determine terminal device
User grouping belonging to current is Cell Center User group, if comparison result is less than the predetermined door for the current letter leakage noise ratio
During limit value, determine that the current affiliated user grouping of terminal device is Cell Edge User group.
First receiving unit 1003, for receiving the current affiliated user of the terminal device determined by network side equipment
The notice of packet, so that the terminal device determines current affiliated user grouping；
Fig. 8 is another structured flowchart that first user provided in an embodiment of the present invention is grouped determining module 100, reference picture 8,
First user packet determining module 100 can include：
Second measuring unit 1010, for according to formulaThe current letter leakage of measurement
Make an uproar ratio, wherein ηkThe user equipment (UE) of letter leakage noise ratio value for to(for) kth base station, PLkRepresent between terminal device and serving BS
Large scale path loss,Terminal device to the path loss of the non-serving base stations in residing heterogeneous network is represented, L is represented
Total base station number of base station in network,It is the transmission power of UE, σ is the energy of interference noise, and k is that current target BS is compiled
Number, j is the numbering of the base station being interfered；
First comparing unit 1011, for the current letter leakage noise ratio value to be compared with predetermined threshold；
First identifying unit 1012, is the current letter leakage noise ratio value for the comparison result in the first comparing unit 1011
During not less than the predetermined threshold, it is determined that the user grouping belonging to current is Cell Center User group, in the first comparing unit
When 1011 comparison result is that the current letter leakage noise ratio value is less than the predetermined threshold, it is determined that the user grouping belonging to current
It is Cell Edge User group.
Fig. 9 is the structured flowchart of the first transport module 130 provided in an embodiment of the present invention, reference picture 9, the first transport module
130 can include：
Second receiving unit 1301, for receiving network side equipment by distributed power control formula, or centralization
The corresponding information of the transmission power level of terminal device determined by Power Control formula；
First transmission unit 1302, in the central user transmission band, using transmission power level correspondence
Transmission power carry out uplink.
Figure 10 is another structured flowchart of the first transport module 130 provided in an embodiment of the present invention, reference picture 10, the first biography
Defeated module 130 can include：
First transmission power determining unit 1311, for by distributed power control formula, or Centralized Power control
Formula processed determines transmission power level；
Second transmission unit 1312, in the central user transmission band, being determined using the first transmission power single
The corresponding transmission power of transmission power level determined by unit 1311 carries out uplink.
Figure 11 is another structured flowchart of communication resource allocation systems provided in an embodiment of the present invention, with reference to Fig. 6 and Figure 11,
System shown in Figure 11 also includes：
Resource Block acquisition module 170, for when the terminal device accesses the edge customer transmission band, at edge
In user's transmission band, the RB that acquisition is obtained with semi-perpendicular frequency band sharing mode.
Communication resource allocation systems provided in an embodiment of the present invention are by being that Cell Center User and Cell Edge User enter
The different frequency spectrum resource distribution of row, and different power control modes is used, the suppression of co-channel interference is realized in heterogeneous network
System so that the inter-cell interference reduction in heterogeneous network；Same communication resource allocation systems provided in an embodiment of the present invention are also fitted
For the other kinds of network such as homogeneous network.Communication resource allocation systems provided in an embodiment of the present invention are real in a communication network
The suppression of co-channel interference is showed.
The embodiment of the present invention also provides a kind of terminal device, including the communication resource point shown in Fig. 6-Figure 11 described above
Match system, the communication resource allocation systems are arranged in terminal device.
Communication resource allocation systems provided in an embodiment of the present invention are described below, the communication resource described below point
Match system, with above with network side equipment angle describe communication resource allocation method it is corresponding, both can be cross-referenced.
Figure 12 is the another structured flowchart of communication resource allocation systems provided in an embodiment of the present invention, reference picture 12, and this is
System can include：
Second user is grouped determining module 200, for determining the current affiliated user grouping of terminal device, user grouping bag
Include Cell Center User group and Cell Edge User group；
First distribute module 210, for determining that the terminal device is currently affiliated when second user packet determining module 200
User grouping be Cell Center User group when, be terminal device distributing center user's transmission band；
First sending module 220, sets for the corresponding information of the central user transmission band to be sent into the terminal
It is standby, so that the terminal device is in the central user transmission band, use the hair determined with predetermined power control mode
Penetrating power carries out uplink；
Second distribute module 230, for determining that the terminal device is currently affiliated when second user packet determining module 200
User grouping be Cell Edge User group when, be terminal device allocations of edge user's transmission band；
Second sending module 240, sets for the corresponding information of the edge customer transmission band to be sent into the terminal
It is standby, so that the terminal device carries out up biography in the edge customer transmission band using transmission power maximum permissible value
Defeated, the edge customer transmission band is the whole frequency bands or partial-band in heterogeneous network in addition to central user transmission band.
Figure 13 is the structured flowchart that second user provided in an embodiment of the present invention is grouped determining module 200, reference picture 13, the
Two user grouping determining modules 200 can include：
3rd receiving unit 2001, for receiving the current letter leakage noise ratio value transmitted by the terminal device；
Second comparing unit 2002, for current letter leakage noise ratio value to be compared with predetermined threshold；
Second identifying unit 2003, is the current letter leakage noise ratio value for the comparison result in the second comparing unit 2002
During not less than the predetermined threshold, it is determined that the user grouping belonging to current is Cell Center User group, in the second comparing unit
When 2002 comparison result is that the current letter leakage noise ratio value is less than the predetermined threshold, it is determined that the user grouping belonging to current
It is Cell Edge User group.
Figure 14 is the structured flowchart of the first sending module 220 provided in an embodiment of the present invention, reference picture 14, the first transmission mould
Block 220 can include：
Second transmission power determining unit 2201, for by distributed power control formula, or Centralized Power control
Formula processed determines the transmission power level of the terminal device；
Second transmitting element 2202, for transmission power level determined by the second transmission power determining unit 2201 is corresponding
Information be sent to the terminal device so that the terminal device uses the hair in the central user transmission band
Penetrating the corresponding transmission power of performance number carries out uplink.
Figure 15 is another structured flowchart of communication resource allocation systems provided in an embodiment of the present invention, with reference to Figure 12 and Figure 15
Shown, the system can also include：
Resource block assignments module 250, in edge customer transmission band, with semi-perpendicular frequency band sharing mode as eventually
End equipment distributes RB.
The embodiment of the present invention also provides a kind of network side equipment, including the communication money shown in Figure 12-Figure 15 described above
Source distribution system, the communication resource allocation systems are arranged in network side equipment.
The embodiment of the present invention also provides a kind of terminal device, and Figure 16 shows the structured flowchart of the terminal device.Terminal sets
Standby is probably the mobile phone comprising computing capability, the intelligent mobile terminal such as PAD, and the specific embodiment of the invention is not to terminal device
Implement and limit.Terminal device can include：Processor 1, communication interface 2, memory 3 and communication bus 4；
Wherein processor 1, communication interface 2, memory 3 complete mutual communication by communication bus 4；
Communication interface 2, for when the current affiliated user grouping of terminal device is Cell Center User group, receiving network
The corresponding information of central user transmission band that side apparatus are distributed；It is cell side in the current affiliated user grouping of terminal device
During edge user's group, the corresponding information of edge customer transmission band that network side equipment is distributed is received；
Optionally, communication interface 2 can be the interface of communication module, such as interface of gsm module；
Processor 1, for configuration processor；
Memory 3, for depositing program；
Program can include program code, and described program code includes computer-managed instruction.
Processor 1 is probably a central processor CPU, or specific integrated circuit ASIC（Application
Specific Integrated Circuit）, or it is arranged to implement one or more integrated electricity of the embodiment of the present invention
Road.
Memory 3 may include high-speed RAM memory, it is also possible to also including nonvolatile memory（non-volatile
memory）, for example, at least one magnetic disk storage.
Wherein, program can be specifically for：
Measuring terminals equipment currently believes leakage noise ratio value, determines that the terminal device is worked as with by the current letter leakage noise ratio value
User grouping belonging to preceding, user grouping includes Cell Center User group and Cell Edge User group；
When the current affiliated user grouping of the terminal device is Cell Center User group, receives network side equipment and divide
The corresponding information of central user transmission band matched somebody with somebody, accesses the central user transmission band, in the central user transmitting pin
Take, use the transmission power determined with predetermined power control mode to carry out uplink；
When the current affiliated user grouping of the terminal device is Cell Edge User group, receives network side equipment and divide
The corresponding information of edge customer transmission band matched somebody with somebody, accesses the edge customer transmission band, the edge customer transmission band
It is whole frequency bands or partial-band in heterogeneous network in addition to central user transmission band, in the edge customer transmission band
On, carry out uplink using transmission power maximum permissible value.
Optionally, program can include the functional module shown in Fig. 6 to Figure 11.
The embodiment of the present invention also provides a kind of network side equipment, including：Processor（It is not shown）, communication interface（Do not scheme
Show）, memory（It is not shown）And communication bus（It is not shown）；
Wherein described processor, the communication interface, the memory complete mutual leading to by the communication bus
Letter；
The communication interface, for when the current affiliated user grouping of terminal device is Cell Center User group, by institute
The corresponding information of central user transmission band of distribution is sent to the terminal device；In the current affiliated user point of terminal device
When group is for Cell Edge User group, the corresponding information of edge customer transmission band that will be distributed is sent to the terminal device；
The processor, for configuration processor；
The memory, for depositing program；
Its Program is used for：
Determine the current affiliated user grouping of terminal device, user grouping includes that Cell Center User group and cell edge are used
Family group；
It is the terminal device distribution when the current affiliated user grouping of the terminal device is Cell Center User group
Central user transmission band, is sent to the terminal device, so that described by the corresponding information of the central user transmission band
Terminal device uses the transmission power determined with predetermined power control mode to carry out in the central user transmission band
Row transmission；
It is the terminal device distribution when the current affiliated user grouping of the terminal device is Cell Edge User group
Edge customer transmission band, is sent to the terminal device, so that described by the corresponding information of the edge customer transmission band
Terminal device carries out uplink, the edge in the edge customer transmission band using transmission power maximum permissible value
User's transmission band is the whole frequency bands or partial-band in heterogeneous network in addition to central user transmission band.
Optionally, program can include the functional module shown in Figure 12 to Figure 15.
To verify improvement of the communication resource allocation method provided in an embodiment of the present invention for community user performance, inventor
Communication resource allocation method provided in an embodiment of the present invention is emulated on heterogeneous network system platform, in order to compare this
Invention and the difference of prior art, give prior art two kinds of Poewr control methods of classics, and the embodiment of the present invention is provided
The distributed FPC formula that are used of communication resource allocation method and centralization GP formula, by these four power control modes
Simulation result compare, so as to embody the present invention and the difference of prior art.Details as Follows for emulation：
Power control algorithm used：Algorithm 1：Pmax, all users use maximum power transmission；Algorithm 2, using standard
Defined in FPC methods, all users determine transmission power using FPC methods；Algorithm 3：Provided in an embodiment of the present invention point
Cloth FPC formula, the transmission power that Cell Center User group is determined using distribution FPC formula, edge customer uses transmitting work(
Rate maximum permissible value；Algorithm 4：Centralized GP formula provided in an embodiment of the present invention, Cell Center User group is using centralization GP
The transmission power that formula determines, edge customer uses transmission power maximum permissible value；
Fundamental simulation parameter such as following table：
Each Picocell（Microcell）The random simulation result for spreading 10 users is as follows：
Each Picocell（Microcell）The random simulation result for spreading 20 users is as follows：
All in all, the communication resource of use distribution FPC methods provided in an embodiment of the present invention or centralization GP algorithms
Distribution method, has been lifted in overall system capacity performance, and according to different policy scenes, its performance boost is 10%~20%；
With in system, number of users increases, combine frequency band distribution and work(that the embodiment of the present invention is carried out according to different user SLNR situations
The obtainable system performance gain of rate control program is also relative to become big.In addition, distributed FPC methods provided in an embodiment of the present invention
With centralized GP algorithms for existing FPC schemes, while close macrocell performance is obtained, can be more preferable
Improve the user performance of Microcell, be especially in the user performance of small area edge.
Communication resource allocation method provided in an embodiment of the present invention, system, terminal and network side equipment, by cell
Heart user and Cell Edge User carry out different frequency spectrum resource distribution, and use different power control modes, in heterogeneous network
The suppression of co-channel interference is realized in network so that the reduction of inter-cell interference in heterogeneous network, improved small in heterogeneous network
Area's user performance；It is worth noting that, communication resource allocation method provided in an embodiment of the present invention is applicable not only to heterogeneous network,
Apply also for the other kinds of network such as homogeneous network.The embodiment of the present invention realizes the suppression of co-channel interference in a communication network
System.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment
For, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is said referring to method part
It is bright.
Professional further appreciates that, with reference to the unit of each example of the embodiments described herein description
And algorithm steps, can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software, generally describes the composition and step of each example according to function in the above description.These
Function is performed with hardware or software mode actually, depending on the application-specific and design constraint of technical scheme.Specialty
Technical staff can realize described function to each specific application using distinct methods, but this realization should not
Think beyond the scope of this invention.
The step of method or algorithm for being described with reference to the embodiments described herein, directly can be held with hardware, processor
Capable software module, or the two combination is implemented.Software module can be placed in random access memory（RAM）, internal memory, read-only deposit
Reservoir（ROM）, electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In field in known any other form of storage medium.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (22)
1. a kind of communication resource allocation method, it is characterised in that including：
The current letter leakage noise ratio value of terminal device measurement, the current institute of the terminal device is determined with by the current letter leakage noise ratio value
The user grouping of category, user grouping includes Cell Center User group and Cell Edge User group；
When the current affiliated user grouping of the terminal device is Cell Center User group, receive what network side equipment was distributed
The corresponding information of central user transmission band, accesses the central user transmission band, in the central user transmission band,
Using the transmission power determined with predetermined power control mode carries out uplink；
When the current affiliated user grouping of the terminal device is Cell Edge User group, receive what network side equipment was distributed
The corresponding information of edge customer transmission band, accesses the edge customer transmission band, and the edge customer transmission band is different
Whole frequency bands or partial-band in network forming network in addition to central user transmission band, in the edge customer transmission band, make
Uplink is carried out with transmission power maximum permissible value.
2. method according to claim 1, it is characterised in that the measurement currently believes that the process of leakage noise ratio value includes：
According to formulaThe current letter leakage noise ratio value of measurement；
Wherein ηkThe user equipment (UE) of letter leakage noise ratio value for to(for) kth base station, PLkRepresent between terminal device and serving BS
Large scale path loss,Terminal device to the path loss of the non-serving base stations in residing network is represented, L is represented in network
Total base station number of base station,It is the transmission power of UE, σ is the energy of interference noise, and k is current target BS numbering, and j is to receive
To the numbering of the base station of interference.
3. method according to claim 1, it is characterised in that described that the end is determined by the current letter leakage noise ratio value
The process of the user grouping belonging to end equipment is current includes：
The current letter leakage noise ratio value is sent to network side equipment, so that the network side equipment is by the current letter leakage noise ratio
Value is compared with predetermined threshold, and the network side equipment is determined that the terminal device is currently affiliated by comparison result
User grouping；The notice of the current affiliated user grouping of the terminal device determined by network side equipment is received, so that institute
State terminal device and determine current affiliated user grouping；
Or,
The current letter leakage noise ratio value is compared with predetermined threshold；If the current letter leakage noise ratio value is not less than described pre-
Determine threshold value, it is determined that the user grouping belonging to current is Cell Center User group；If the current letter leakage noise ratio value is less than institute
State predetermined threshold, it is determined that the user grouping belonging to current is Cell Edge User group.
4. the method according to claim any one of 1-3, it is characterised in that described in the central user transmission band
On, the process that using the transmission power determined with predetermined power control mode carries out uplink includes：
Network side equipment is received to be set by distributed power control formula, or terminal determined by Centralized Power Control formula
The corresponding information of standby transmission power level, in the central user transmission band, uses the corresponding hair of the transmission power level
Penetrating power carries out uplink；Or,
Transmission power is determined by distributed power control formula, or Centralized Power Control formula, in the central user
In transmission band, uplink is carried out using identified transmission power.
5. the method according to claim any one of 1-3, it is characterised in that also include：
When the terminal device accesses the edge customer transmission band, in edge customer transmission band, obtain with partly just
The Resource Block RB that the frequency band sharing mode of friendship is obtained.
6. a kind of communication resource allocation method, it is characterised in that including：
Determine the current affiliated user grouping of terminal device, user grouping includes Cell Center User group and Cell Edge User
Group；
It is the terminal device distributing center when the current affiliated user grouping of the terminal device is Cell Center User group
User's transmission band, is sent to the terminal device, so that the terminal by the corresponding information of the central user transmission band
Equipment uses the transmission power determined with predetermined power control mode to carry out up biography in the central user transmission band
It is defeated；
It is the terminal device allocations of edge when the current affiliated user grouping of the terminal device is Cell Edge User group
User's transmission band, is sent to the terminal device, so that the terminal by the corresponding information of the edge customer transmission band
Equipment carries out uplink, the edge customer in the edge customer transmission band using transmission power maximum permissible value
Transmission band is the whole frequency bands or partial-band in heterogeneous network in addition to central user transmission band.
7. method according to claim 6, it is characterised in that including：It is described to determine the current affiliated user of terminal device
The process of packet includes：
Current letter leakage noise ratio value transmitted by receiving terminal apparatus；
Current letter leakage noise ratio value is compared with predetermined threshold；
If the current letter leakage noise ratio is not less than the predetermined threshold, it is determined that the user grouping belonging to current is center of housing estate
User's group；
If the current letter leakage noise ratio is less than the predetermined threshold, it is determined that the user grouping belonging to current is cell edge
User's group.
8. the method according to claim 6 or 7, it is characterised in that described so that the terminal device is used at the center
In the transmission band of family, the process that using the transmission power determined with predetermined power control mode carries out uplink includes：
The transmission power of the terminal device is determined by distributed power control formula, or Centralized Power Control formula
Value；
The corresponding information of the transmission power level is sent to the terminal device, so that the terminal device is used at the center
In the transmission band of family, uplink is carried out using the corresponding transmission power of the transmission power level.
9. the method according to claim 6 or 7, it is characterised in that also include：In edge customer transmission band, with half
Orthogonal frequency band sharing mode is terminal device distribution Resource Block RB.
10. a kind of communication resource allocation systems, it is characterised in that including：
First user is grouped determining module, and leakage noise ratio value is currently believed for measuring terminals equipment, is made an uproar with by current letter leakage
Ratio determines the current affiliated user grouping of the terminal device, and user grouping includes that Cell Center User group and cell edge are used
Family group；
First receiver module, for when the current affiliated user grouping of the terminal device is Cell Center User group, receiving
The corresponding information of central user transmission band that network side equipment is distributed；
First AM access module, for accessing the central user transmission band；
First transport module, for when first AM access module accesses the central user transmission band, at the center
In user's transmission band, the transmission power determined with predetermined power control mode is used to carry out uplink；
Second receiver module, for when the current affiliated user grouping of the terminal device is Cell Edge User group, receiving
The corresponding information of edge customer transmission band that network side equipment is distributed；
Second AM access module, for accessing the edge customer transmission band, the edge customer transmission band is heterogeneous network
In whole frequency bands or partial-band in addition to central user transmission band；
Second transport module, for when second AM access module accesses the edge customer transmission band, using transmitting work(
Rate maximum permissible value carries out uplink.
11. systems according to claim 10, it is characterised in that the first user packet determining module includes：
First measuring unit, for according to formulaThe current letter leakage noise ratio value of measurement, its
Middle ηkThe user equipment (UE) of letter leakage noise ratio value for to(for) kth base station, PLkRepresent the large scale between terminal device and serving BS
Path loss,Terminal device to the path loss of the non-serving base stations in residing network is represented, L represents base station in network
Total base station number,It is the transmission power of UE, σ is the energy of interference noise, and k is current target BS numbering, and j is to be interfered
Base station numbering；
First transmitting element, for the current letter leakage noise ratio value measured by the measuring unit to be sent into network side equipment, with
Make the network side equipment that the current letter leakage noise ratio value to be compared with predetermined threshold, and lead to the network side equipment
Cross comparison result and determine the current affiliated user grouping of the terminal device；
First receiving unit, for receiving the logical of the current affiliated user grouping of the terminal device determined by network side equipment
Know, so that the terminal device determines current affiliated user grouping.
12. systems according to claim 10, it is characterised in that the first user packet determining module includes：
Second measuring unit, for according to formulaThe current letter leakage noise ratio value of measurement, its
Middle ηkThe user equipment (UE) of letter leakage noise ratio value for to(for) kth base station, PLkRepresent the large scale between terminal device and serving BS
Path loss,Terminal device to the path loss of the non-serving base stations in residing heterogeneous network is represented, L represents base in network
The total base station number stood,It is the transmission power of UE, σ is the energy of interference noise, and k is current target BS numbering, and j is to be subject to
The numbering of the base station of interference；
First comparing unit, for the current letter leakage noise ratio value to be compared with predetermined threshold；
First identifying unit, for the comparison result in first comparing unit for the current letter leakage noise ratio value is not less than institute
When stating predetermined threshold, it is determined that the user grouping belonging to current is Cell Center User group, in the ratio of first comparing unit
When being that the current letter leakage noise ratio value is less than the predetermined threshold to result, it is determined that the user grouping belonging to current is cell side
Edge user's group.
13. system according to claim any one of 10-12, it is characterised in that first transport module includes：Second
Receiving unit and the first transmission unit；
Second receiving unit, for receiving network side equipment by distributed power control formula, or Centralized Power
The corresponding information of transmission power level of terminal device determined by control formula；
First transmission unit, in the central user transmission band, using the corresponding hair of the transmission power level
Penetrating power carries out uplink；
Or,
First transport module includes：First transmission power determining unit and the second transmission unit；
The first transmission power determining unit, for public by distributed power control formula, or Centralized Power Control
Formula determines transmission power level；
Second transmission unit, in the central user transmission band, being determined using first transmission power single
The corresponding transmission power of transmission power level determined by first carries out uplink.
14. system according to claim any one of 10-12, it is characterised in that also include：
Resource Block acquisition module, for when the terminal device accesses the edge customer transmission band, being passed in edge customer
On defeated frequency band, the Resource Block RB that acquisition is obtained with semi-perpendicular frequency band sharing mode.
15. a kind of terminal devices, it is characterised in that including the communication resource allocation systems described in claim any one of 10-14.
A kind of 16. communication resource allocation systems, it is characterised in that including：
Second user is grouped determining module, and for determining the current affiliated user grouping of terminal device, user grouping includes cell
Central user group and Cell Edge User group；
First distribute module, for determining the current affiliated user of the terminal device when second user packet determining module
It is terminal device distributing center user's transmission band when being grouped into Cell Center User group；
First sending module, for the corresponding information of the central user transmission band to be sent into the terminal device, so that
The terminal device uses the transmission power determined with predetermined power control mode to enter in the central user transmission band
Row uplink；
Second distribute module, for determining the current affiliated user of the terminal device when second user packet determining module
It is terminal device allocations of edge user's transmission band when being grouped into Cell Edge User group；
Second sending module, for the corresponding information of the edge customer transmission band to be sent into the terminal device, so that
The terminal device carries out uplink in the edge customer transmission band using transmission power maximum permissible value, described
Edge customer transmission band is the whole frequency bands or partial-band in heterogeneous network in addition to central user transmission band.
17. systems according to claim 16, it is characterised in that the second user packet determining module includes：
3rd receiving unit, for receiving the current letter leakage noise ratio value transmitted by the terminal device；
Second comparing unit, for current letter leakage noise ratio value to be compared with predetermined threshold；
Second identifying unit, for the comparison result in second comparing unit for the current letter leakage noise ratio value is not less than institute
When stating predetermined threshold, it is determined that the user grouping belonging to current is Cell Center User group, in the ratio of second comparing unit
When being that the current letter leakage noise ratio value is less than the predetermined threshold to result, it is determined that the user grouping belonging to current is cell side
Edge user's group.
18. system according to claim 16 or 17, it is characterised in that first sending module includes：
Second transmission power determining unit, for true by distributed power control formula, or Centralized Power Control formula
The transmission power level of the fixed terminal device；
Second transmitting element, for the corresponding information of transmission power level determined by the second transmission power determining unit to be sent out
The terminal device is given, so that the terminal device uses the transmission power level in the central user transmission band
Corresponding transmission power carries out uplink.
19. system according to claim 16 or 17, it is characterised in that also include：
Resource block assignments module, in edge customer transmission band, with semi-perpendicular frequency band sharing mode as terminal device
Distribution Resource Block RB.
20. a kind of network side equipments, it is characterised in that including the communication resource distribution system described in claim any one of 16-19
System.
A kind of 21. terminal devices, it is characterised in that including：Processor, communication interface, memory and communication bus；
Wherein described processor, the communication interface, the memory complete mutual communication by the communication bus；
The communication interface, for when the current affiliated user grouping of terminal device is Cell Center User group, receiving network
The corresponding information of central user transmission band that side apparatus are distributed；It is cell side in the current affiliated user grouping of terminal device
During edge user's group, the corresponding information of edge customer transmission band that network side equipment is distributed is received；
The processor, for configuration processor；
The memory, for depositing program；
Its Program is used for：
Measuring terminals equipment currently believes leakage noise ratio value, and the current institute of the terminal device is determined with by the current letter leakage noise ratio value
The user grouping of category, user grouping includes Cell Center User group and Cell Edge User group；
When the current affiliated user grouping of the terminal device is Cell Center User group, receive what network side equipment was distributed
The corresponding information of central user transmission band, accesses the central user transmission band, in the central user transmission band,
Using the transmission power determined with predetermined power control mode carries out uplink；
When the current affiliated user grouping of the terminal device is Cell Edge User group, receive what network side equipment was distributed
The corresponding information of edge customer transmission band, accesses the edge customer transmission band, and the edge customer transmission band is different
Whole frequency bands or partial-band in network forming network in addition to central user transmission band, in the edge customer transmission band, make
Uplink is carried out with transmission power maximum permissible value.
A kind of 22. network side equipments, it is characterised in that including：
Processor, communication interface, memory and communication bus；
Wherein described processor, the communication interface, the memory complete mutual communication by the communication bus；
The communication interface, for when the current affiliated user grouping of terminal device is Cell Center User group, will be distributed
The corresponding information of central user transmission band be sent to the terminal device；It is in the current affiliated user grouping of terminal device
During Cell Edge User group, the corresponding information of edge customer transmission band that will be distributed is sent to the terminal device；
The processor, for configuration processor；
The memory, for depositing program；
Its Program is used for：
Determine the current affiliated user grouping of terminal device, user grouping includes Cell Center User group and Cell Edge User
Group；
It is the terminal device distributing center when the current affiliated user grouping of the terminal device is Cell Center User group
User's transmission band, is sent to the terminal device, so that the terminal by the corresponding information of the central user transmission band
Equipment uses the transmission power determined with predetermined power control mode to carry out up biography in the central user transmission band
It is defeated；
It is the terminal device allocations of edge when the current affiliated user grouping of the terminal device is Cell Edge User group
User's transmission band, is sent to the terminal device, so that the terminal by the corresponding information of the edge customer transmission band
Equipment carries out uplink, the edge customer in the edge customer transmission band using transmission power maximum permissible value
Transmission band is the whole frequency bands or partial-band in heterogeneous network in addition to central user transmission band.
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| WO2016179781A1 (en) * | 2015-05-11 | 2016-11-17 | 华为技术有限公司 | Method for indicating control information, base station, user device, and communication system |
| CN106941725B (en) * | 2016-01-04 | 2020-04-21 | 中国移动通信集团公司 | Method and device for sending uplink data, user equipment and base station |
| CN108684045B (en) * | 2018-03-12 | 2022-04-19 | 杭州电子科技大学 | Wireless resource multiplexing method for two-layer heterogeneous network |
| CN111245463A (en) * | 2018-11-29 | 2020-06-05 | 成都鼎桥通信技术有限公司 | Uplink signal sending method and mobile terminal |
| CN111954312A (en) * | 2020-07-08 | 2020-11-17 | 北京瀚诺半导体科技有限公司 | User selection method and system on channel |
| CN112929892B (en) * | 2021-02-24 | 2023-06-16 | 中国联合网络通信集团有限公司 | Power resource configuration method, device and storage medium |
| CN113115375B (en) * | 2021-03-17 | 2022-06-10 | 中国联合网络通信集团有限公司 | Downlink resource block reservation method and device |
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| CN102036250B (en) * | 2010-12-28 | 2013-09-25 | 华为技术有限公司 | Dynamic distribution method of uplink frequency band resource and base station |
| CN102111864B (en) * | 2011-03-18 | 2013-09-25 | 西安电子科技大学 | Inter-cell power control method based on long term evolution (LET) heterogeneous service network |
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Effective date of registration: 20201028 Address after: No.8, Xiaoping Avenue, Badu Economic Development Zone, Zhenze Town, Wujiang District, Suzhou City, Jiangsu Province Patentee after: TONGDING INTERCONNECTION INFORMATION Co.,Ltd. Address before: 625, room 269, Connaught platinum Plaza, No. 518101, Qianjin Road, Xin'an street, Shenzhen, Guangdong, Baoan District Patentee before: SHENZHEN SHANGGE INTELLECTUAL PROPERTY SERVICE Co.,Ltd. Effective date of registration: 20201028 Address after: 625, room 269, Connaught platinum Plaza, No. 518101, Qianjin Road, Xin'an street, Shenzhen, Guangdong, Baoan District Patentee after: SHENZHEN SHANGGE INTELLECTUAL PROPERTY SERVICE Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |