CN108207034A - The method of transmission interference coordination information and base station - Google Patents

The method of transmission interference coordination information and base station Download PDF

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Publication number
CN108207034A
CN108207034A CN201611175718.XA CN201611175718A CN108207034A CN 108207034 A CN108207034 A CN 108207034A CN 201611175718 A CN201611175718 A CN 201611175718A CN 108207034 A CN108207034 A CN 108207034A
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notification information
scs
base station
information
cell
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张萌
刘仁茂
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Sharp Corp
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Sharp Corp
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Priority to CN201611175718.XA priority Critical patent/CN108207034A/en
Priority to PCT/CN2017/116132 priority patent/WO2018108122A1/en
Publication of CN108207034A publication Critical patent/CN108207034A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

A kind of method that embodiments herein proposes base station in the system that different sub-carrier type SCS is supported to coexist and its execution.The method includes：The first notification information is generated, first notification information includes multiple cells, and each cell indicates interference or power level of the base station on a unit running time-frequency resource region；The second notification information is generated, second notification information is used to indicate the SCS types corresponding to each cell in the first notification information；And send generated the first notification information and the second notification information.

Description

The method of transmission interference coordination information and base station
Technical field
The present invention relates to wireless communication technology field, more particularly it relates to the method for transmission interference coordination information With corresponding base station.
Background technology
In March, 2016, in third generation partner program (3rd Generation Partnership Project： 3GPP) in RAN#71 plenary session, NTT DOCOMO propose a new research project about 5G technical standards (referring to non-special Sharp document：RP-160671：New SID Proposal：Study on New Radio Access Technology), and obtain Approval.The purpose of the research project is to develop a new wireless (New Radio：NR) access technology should to meet all of 5G With scene, demand and deployed environment.Mainly there are three application scenarios by NR：Mobile broadband communication (the Enhanced Mobile of enhancing Broadband：EMBB), large-scale machines class communication (massive Machine Type Communication：MMTC it is) and super Reliable low latency communication (Ultra Reliable and Low Latency Communications：URLLC).It is ground according to this Study carefully a goal programming, two stages of standardization point of NR carry out：The standardization effort of first stage will be completed in mid-terms in 2018； The standardization effort of second stage will be completed in the end of the year 2019.The standard criterion of first stage wants forward compatibility in second stage Standard criterion, and the standard criterion of second stage will be established on standard criterion in the first stage, and meets 5G NR technical bids Accurate is required.
At present, in LTE and LTE-A, Relative Narrowband TX Power (Relative Narrowband TX are used Power：RNTP watt level of the base station on running time-frequency resource) is characterized, pointing accuracy on frequency domain is Physical Resource Block (physical resource block：PRB) or Physical Resource Block is to the rank of (PRB pair).RNTP can be existed by X2 interface Information exchange is carried out between different base station/cell.When a base station/cell obtain other base stations in some frequency range and/or After RNTP on period, it is possible to the running time-frequency resource scheduling strategy of oneself is adaptively adjusted according to RNTP, so as to drop The interference of low different base station/minizone.Similar parameter this kind of RNTP also has uplink disturbance load to indicate (Overload indicator：OI) and high interference indicates (high interference indicator：HII) etc..Wherein, OI is represented It is uplink disturbance load situation, rank of the pointing accuracy on frequency domain for PRB or PRB pair.What HII was represented is uplink interference Grade, can alternative grade have " high interference sensitivity (high interference sensitivity) " and " it is low interference spirit Sensitivity (low interference sensitivity) ", the pointing accuracy on frequency domain is also the rank of PRB or PRB pair.
In following mobile communication system, same member carrier (Component Carrier：It CC) may in frequency range Exist simultaneously a variety of different sub-carrier types (subcarrier spacing：SCS).Spans of the different SCS on frequency domain Difference, so as to which the spans of the different corresponding PRB of SCS over the frequency domain are also not quite similar.On the contrary, traditional RNTP, OI And running time-frequency resource (i.e. PRB or PRB pair) being to determine property that HII is directed to, i.e., frequency domain span (corresponds to subcarrier span 15kHz) all it is to determine with time domain span (duration 1ms).Therefore, traditional RNTP, OI and HII cannot be directly applied to this In the future communication systems that a variety of different sub-carrier types of kind coexist.
Therefore, it is necessary to a kind of new mechanism for being suitable for indicating interference in the case where different types of SCS coexists.
Invention content
The present invention is intended to provide a kind of base station and its transmission suitable for working under the system that is coexisted in different types of SCS is dry Disturb the mechanism of coordination information.
According to the first aspect of the invention, it is proposed that a kind of in the system that different sub-carrier type SCS is supported to coexist The method performed in base station, including：The first notification information is generated, first notification information includes multiple cells, each cell Indicate interference or power level of the base station on a unit running time-frequency resource region；Generate the second notification information, described Two notification informations are used to indicate the SCS types corresponding to each cell in the first notification information；And send what is generated First notification information and the second notification information.
According to the second aspect of the invention, it is proposed that a kind of in the system that different sub-carrier type SCS is supported to coexist The method performed in base station, including：Receive the first notification information and the second notification information from other base stations；And parsing The first notification information and the second notification information received is to know the interference of other base stations on time and frequency dimension Or power level, wherein, first notification information includes multiple cells, and each other described base stations of cell instruction are in a list Interference or power level, second notification information on the running time-frequency resource region of position are used to indicate each in the first notification information SCS types corresponding to a cell.
In some embodiments, the interference or power level can be directed to one of the following：Relative Narrowband TX Power, Uplink disturbance load and high interference.
In some embodiments, span of the unit running time-frequency resource region on frequency domain can take up one or more The bandwidth of PRB or PRB pair, span in time can take up 1,2 or more time slots.
In some embodiments, the first notification information can be expressed as bit string or matrix.
In some embodiments, each cell in the multiple cell in the first notification information can occupy a ratio Special or more bits.
In some embodiments, the second notification information can be included about SCS types all in the first notification information respectively The corresponding instruction for starting cell location and/or terminating cell location.
In some embodiments, the second notification information can be included about SCS types all in the first notification information respectively The corresponding instruction for starting cell location and/or terminating cell location and position offset instruction.
In some embodiments, second notification information can include two group informations, in the first group information instruction system All SCS types coexisted, the second group information indicate that all SCS types listed in the first group information are corresponding first Appearance position in notification information.
In some embodiments, the second group information can include each about all SCS types listed in the first group information The instruction of self-corresponding beginning cell location and/or end cell location in the first notification information.
In some embodiments, the second group information can include each about all SCS types listed in the first group information The instruction of self-corresponding beginning cell location and/or end cell location in the first notification information and position offset refer to Show.
In some embodiments, the second group information can include one group of bit map, and wherein each bit map indicates Appearance position of the specific SCS types in the first notification information.
According to the third aspect of the invention we, it provides a kind of in the system that different sub-carrier type SCS is supported to coexist Base station, including：Processor；And memory, store instruction, when described instruction performs on the processor so that the place Reason device is configured to：
The first notification information is generated, first notification information includes multiple cells, and each cell indicates that the base station exists Interference or power level on one unit running time-frequency resource region；
The second notification information is generated, second notification information is used to indicate each cell institute in the first notification information Corresponding SCS types；And
Send generated the first notification information and the second notification information.
According to the fourth aspect of the invention, it provides a kind of in the system that different sub-carrier type SCS is supported to coexist Base station, including：
Generation unit is configured to：The first notification information is generated, first notification information includes multiple cells, each Cell indicates interference or power level of the base station on a unit running time-frequency resource region；And generation the second notice letter Breath, second notification information are used to indicate the SCS types corresponding to each cell in the first notification information；And
Transmitting element is configured to：Send generated the first notification information and the second notification information.
According to some embodiments, the base station can also include：Receiving unit is configured to：It receives from other base stations Third notice information and the 4th notification information；And processing unit, it is configured to：The received third notice information of parsing With the 4th notification information to know the interference or power level of other base stations on time and frequency dimension.Wherein, it is described Third notice information includes multiple cells, and each other described base stations of cell instruction are dry on a unit running time-frequency resource region It disturbs or power level；4th notification information is used to indicate the SCS classes corresponding to each cell in third notice information Type.
Description of the drawings
By the detailed description below in conjunction with attached drawing, above and other feature of the invention will become more apparent, In：
Fig. 1 schematically shows system example for supporting that different types of SCS coexists；
Fig. 2 schematically shows another examples of system for supporting that different types of SCS coexists；
Fig. 3 schematically shows generation and the sender of the notification information according to embodiments of the present invention in source base station side The flow chart of method；
Fig. 4 schematically shows the notification informations that receives and parses through according to embodiments of the present invention in target BS side The flow chart of method；
Fig. 5 schematically shows the structure diagram of base station according to an embodiment of the invention；
Fig. 6 schematically shows the structure diagram of base station according to another embodiment of the present invention.
In the accompanying drawings, similar reference label indicates same or similar element.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and detailed description.It should be noted that the present invention does not answer office It is limited to specific embodiment described below.In addition, for simplicity the public affairs without direct correlation with the present invention are omitted pair The detailed description of technology is known, to prevent the understanding of the present invention from causing to obscure.
Hereafter using LTE mobile communication system and its subsequent evolution version as example application environment, root has been described in detail According to multiple embodiments of the present invention.It should be noted, however, that the present invention is not limited to implementation below, but it is applicable In more other wireless communication systems, such as 5G from now on or communication system later.
Illustrate the future mobile communication system for supporting that different types of SCS coexists below with reference to Fig. 1 and Fig. 2.
Fig. 1 schematically shows system example for supporting that different types of SCS coexists, wherein different types of SCS is multiplexed by way of frequency division multiplexing (FDM) in same member carrier (Component Carrier：CC in).Inhomogeneity The corresponding PRB of SCS or PRB pair of type include equal number of subcarrier, for example 1 PRB or PRB pair include 12 sons Carrier wave.Symbol (symbol) number included in the corresponding time slot (slot) of different types of SCS can be 7 or 14, Or other integers, wherein symbol refer to OFDM symbol either DFT-S-OFDM symbols.
These three different types of SCS and difference there are 15kHz, 30kHz and 60kHz have been shown as example in Fig. 1 The situation of number of symbols identical (being, for example, 14) included in the corresponding time slots of SCS of type.However, those skilled in the art It should be understood that the method for the application discussion can be applicable to the scene that other SCS types coexist, for example SCS types can also be The symbolic number included in 120kHz, 240kHz, 360kHz and/or 480kHz etc. and the corresponding time slots of different types of SCS Mesh can also be 7 or other numbers etc..
It can easily be seen that spans of the different types of SCS on frequency domain is different from Fig. 1, and different types of SCS is corresponded to PRB spans over the frequency domain be also not quite similar.For example, spans of the SCS of 15kHz on frequency domain is the SCS of 30kHz Half, be the SCS of 60kHz a quarter.However, the spans of the corresponding PRB of the SCS of 15kHz in the time domain are 30kHz One times of SCS is twice of the SCS of 60kHz.
Fig. 2 schematically shows another examples of system for supporting that different types of SCS coexists, wherein different type SCS be multiplexed in same member carrier by way of being time-multiplexed (TDM).Equally, different types of SCS is corresponding PRB or PRB pair all include equal number of subcarrier, for example 1 PRB or PRB pair include 12 subcarriers.Different type The corresponding time slots of SCS (slot) in symbol (symbol) number for including can be 7 either 14 or other whole Number, wherein symbol refer to OFDM symbol either DFT-S-OFDM symbols.
These three different types of SCS and difference there are 15kHz, 30kHz and 60kHz have been shown as example in Fig. 2 The situation of number of symbols identical (being, for example, 14) included in the corresponding time slots of SCS of type.However, those skilled in the art It should be understood that the method for the application discussion can be applicable to the scene that other SCS types coexist, for example SCS types can also be The symbolic number included in 120kHz, 240kHz, 360kHz and/or 480kHz etc. and the corresponding time slots of different types of SCS Mesh can also be 7 or other numbers etc..
It can easily be seen that spans of the different types of SCS on frequency domain is different from Fig. 2, and different types of SCS is corresponded to PRB spans over the frequency domain be also not quite similar.For example, spans of the SCS of 15kHz on frequency domain is the SCS of 30kHz Half, be the SCS of 60kHz a quarter.However, the spans of the corresponding PRB of the SCS of 15kHz in the time domain are 30kHz One times of SCS is twice of the SCS of 60kHz.
It should be understood that Fig. 1 and Fig. 2 are only to show that two of the multiplex mode of use coexist in a variety of different types of SCS Example, the scheme of the application can be applicable to support using other multiplex modes (such as time division multiplexing combines frequency division multiplexing) The system that different types of SCS coexists.
In existing LTE and LTE-A, a kind of SCS, the i.e. SCS of 15kHz are only supported, and (time domain accounts for each subframe According to 1ms) including 2 time slots (each time slot time domain occupies 0.5ms), the OFDM symbol number that each time slot includes is 7.Therefore, There will be 100 PRB or PRB pair on the member carrier of existing 20M, and this 100 PRB or PRB pair are in running time-frequency resource On distribution will be specific.Existing RNTP is expressed as a bit string (bitstring), such as the bit string of 100 bits, Wherein each (bit) corresponds to the transmit power level of a PRB or PRB pair.Then a base station is receiving other bases It stands after the RNTP sent, will be known that the transmission power of other base stations on specific PRB or PRB pair, it then can be with The running time-frequency resource scheduling strategy of oneself is adaptively adjusted according to the RNTP.
However, can be seen that from Fig. 1 and Fig. 2 it is different from the situation in existing LTE and LTE-A, support it is a variety of not In new wireless (NR) system that the SCS of same type coexists, the distribution of PRB or PRB pair on running time-frequency resource is uncertain.From And the transmission power on each PRB or PRB pair can not be explicitly indicated using traditional RNTP.Traditional OI and HII etc. In the presence of it is identical with RNTP the problem of.
In NR systems, RNTP, OI and HII etc. for interference coordination information in addition to interference level to be pointed out it Outside, it is also stated that specific distribution of these interference levels on running time-frequency resource.Otherwise, different base stations will be unable to understand other side RNTP, OI and HII etc..
For this purpose, present applicant proposes a kind of new suitable for being passed between base station in the NR systems that are coexisted in different types of SCS The method of the defeated information for interference coordination.Wherein, phase described above can be included for the example of the information of interference coordination To narrow emission power (RNTP), uplink disturbance load instruction (OI) and high interference instruction (high interference indicator：HII) etc., the other information available for the interference coordination between base station or between cell can also be included.For With the differentiations such as traditional RNTP, OI, HII, it is desirable to which RNTP, OI and HII suitable for NR systems that the application proposes is known as NR-NRTP, NR-OI and NR-HII.
Below mainly by taking NR-NRTP as an example, illustrate the transmission in NR systems with reference to figure 3 and Fig. 4 and be used for interference coordination Information method embodiment.
Fig. 3 schematically shows generation and the sender of the notification information according to embodiments of the present invention in source base station side The flow chart of method 100.Herein, source base station refers to sending the base station of information to other base stations.
As shown in the figure, in step s110, base station generates the first notification information, and the first notification information instruction is in the time With the interference in frequency domain dimension or power level.
First notification information can include multiple cells, and each cell corresponds to the narrow of unit running time-frequency resource region Band transmit power level or interference level.The unit running time-frequency resource region can include one or more PRB or PRB pair.Change speech It, the frequency domain span in the unit running time-frequency resource region can be bandwidth either other width of one or more PRB or PRB pair The bandwidth of degree, the time span in the unit running time-frequency resource region can be 1,2 or more time slots.
First notification information can indicate to include the running time-frequency resource area that several continuous unit running time-frequency resource regions are formed Power level or interference level on domain.The cell number of first notification information can include equal to the running time-frequency resource region Unit running time-frequency resource region sum.Each cell indicate unit running time-frequency resource region narrowband transmit power level or Interference level.Wherein, various ways may be used in the number in unit running time-frequency resource region.For example, can first frequency domain (from as low as Height or from high to low) afterwards when Field Number or frequency domain (from low to high or from high to low) can number after first time domain.
The interference indicated in first notification information or power level can be directed to Relative Narrowband TX Power (i.e. NR- RNTP it) can either be directed to uplink disturbance load instruction (NR-OI) or high interference can be directed to and indicate (NR-HII), etc. Deng.At this point, first notification information can also be referred to as NR-RNTP, NR-OI, NR-HII etc..
Below by taking NR-RNTP as an example, the generation of the first notification information is described in detail.
In one embodiment, which can be expressed as a bit string (bitstring), each bit conduct One cell corresponds to the transmit power level in a unit running time-frequency resource region.The frequency domain in the unit running time-frequency resource region across Degree can be the bandwidth of bandwidth either other width of one or more PRB or PRB pair, the unit running time-frequency resource region Time span can be 1ms either 1 or several time slots.
As an example, which includes 1 PRB or PRB pair, and then NR-RNTP can be calculated It is as follows：
Wherein,
NR_RNTP(nPRB) represent n-th in NR-RNTP bit stringsPRBThe value of a bit；
Represent the number of all unit running time-frequency resource regions (being PRB or PRB pair in this example) on downlink member carrier；
E(nPRB) represent in the period occupied unit running time-frequency resource region (being PRB or PRB pair in this example), n-thPRB The resource list for not carrying reference signal but carrying PDSCH in a unit running time-frequency resource region (being PRB or PRB pair in this example) The RE with ceiling capacity in first (RE) with energy, also referred to as maximum resource unit energy (energy per Resource element, EPRE)；
Wherein PmaxFor the maximum transmission power of base station,For unit running time-frequency resource region (this Be PRB or PRB pair in example) in include the number of subcarrier；Δ f is subcarrier spacing, by corresponding to unit running time-frequency resource area The sub-carrier type SCS in domain (being PRB or PRB pair in this example) is determined；
NR_RNTPthreshold∈ {-∞, -11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1,0 ,+1 ,+2 ,+3 }.
The NR-RNTP bit strings can indicate all unit running time-frequency resource region (these on multiple continuous subframes or time slot Be PRB or PRB pair in example) transmit power level.Wherein, the sequence of unit running time-frequency resource region (being PRB or PRB pair in this example) Number various ways may be used.For example, can sort from high frequency to low frequency successively according to since the low subframe of serial number or time slot, The serial number that subframe is finally discharged to before then switching to neighbouring next subframe then, then sort from high frequency to low frequency, with this Analogize.Alternatively, the serial number of PRB or PRB pair can from low to high arrange successively according to since the low subframe of serial number or time slot Sequence, the serial number that subframe is finally discharged to before then switching to neighbouring next subframe then, then sort from low to high, with This analogizes.Wherein, the serial number of PRB or PRB pair can be started counting up from 0, can also be started counting up from 1.For a certain specific son PRB or PRB pair on frame or time slot, the calculation formula of corresponding NR-RNTP bit values can be similar with above-mentioned example.
In one example, NR-RNTP=10111011010011, wherein ' 10111011 ' can represent 1 or more A continuous subframes either on 1 or several continuous slots all SCS be interference level on the PRB or PRB pair of 15kHz or Power level；' 0100 ' can represent 1, and either all SCS are on multiple continuous subframes or 1 or several continuous slots Interference level or power level on the PRB or PRB pair of 30kHz；' 11 ' can represent 1 either multiple continuous subframes or All SCS are the interference level or power level on the PRB or PRB pair of 60kHz on 1 or several continuous slots.
In another embodiment, which can be a multidimensional bit string (such as two-dimentional bit string) or one Matrix, wherein each bit or matrix element correspond to a unit running time-frequency resource region at one as a cell Transmit power level in particular beam (beam).The frequency domain span in the unit running time-frequency resource region can be one or more The bandwidth of the bandwidth of PRB or PRB pair either other width, the time span in the unit running time-frequency resource region can be 1ms or Person is 1 or several time slots.
As an example, NR-RNTP can be 3 × 3 matrixesEach member wherein in matrix Unit running time-frequency resource region (being PRB or PRB pair in this example) serial number and wave beam serial number corresponding to element can pre-define such as Shown in following table：
Wherein, in NR-RNTP each element can calculate it is as follows
Wherein,
Represent the number of all unit running time-frequency resource regions (being PRB or PRB pair in this example) on downlink member carrier；
Represent the number of all wave beams on downlink member carrier；
E(ni, nj) represent in the period occupied unit running time-frequency resource region (being PRB or PRB pair in this example) in pth On a antenna port, the money for not carrying reference signal but carrying PDSCH of corresponding j-th of wave beam in i-th of PRB or PRB pair The RE with ceiling capacity in source unit (RE) with energy, i.e. maximum EPRE；
WhereinFor maximum transmission power of the base station on p-th of antenna port,For list Include the number of subcarrier in position running time-frequency resource region (being PRB or PRB pair in this example)；Δ f is subcarrier spacing, by The sub-carrier type SCS of corresponding unit running time-frequency resource region (being PRB or PRB pair in this example) is determined；
NR_RNTPthreshold∈ {-∞, -11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1,0 ,+1 ,+2 ,+3 }.
In an alternative embodiment, NR_RNTPthresholdMultiple values can be taken, correspond to different SCS types respectively.Then, In the cell (such as NR_RNTP (n for calculating specific unit running time-frequency resource regionPRB)) value when, the unit running time-frequency resource area may be used The corresponding NR_RNTP of SCS types in domainthreshold。
It should be understood that although each cell in the above example in NR-RNTP occupies a bit, at other In embodiment, each cell in NR-RNTP can occupy two or more bit, so as to represent more than two power water It is flat.
Above by taking NR-RNTP as an example, the generation of the first notification information is described in detail.It should be understood that first Notification information can be used for providing uplink disturbance load instruction (NR-OI).For example, NR-OI is used to indicate uplink disturbance load Situation can distinguish high interference situation, moderate interference situation or low disturbed condition.Similar with NR-RNTP, NR-OI can be One one-dimensional bit string, wherein each cell correspond to the interference level on a unit running time-frequency resource region；Alternatively, NR- OI can also be multidimensional bit string (such as two-dimentional bit string) or matrix.
It should be understood that the first notification information can be also used for providing high interference instruction (NR-HII).NR-HII is used to indicate Susceptibility is interfered, high interference susceptibility and low interference susceptibility can be distinguished.Similar with NR-RNTP, NR-HII can be one A one-dimensional bit string, wherein each cell correspond to the interference susceptibility on a unit running time-frequency resource region；Alternatively, NR- HII can also be multidimensional bit string (such as two-dimentional bit string) or matrix.
It should be understood that in addition to NR-RNTP, except NR-OI and NR-HII, the first notification information also can indicate that interfere Other power or interference level coordinated.The application is not restricted in this respect.
In step s120, base station generates the second notification information, and second notification information is used to indicate the first notice letter The SCS types corresponding to each cell in breath.
As one embodiment, the second notification information can be included about SCS types all in the first notification information respectively The corresponding instruction for starting cell location and terminating cell location.Wherein, the cell location in the first notification information can be opened from 0 Begin to count, can also be started counting up from 1.For example, it is a bit string and each bit conduct in above-mentioned first notification information It in the embodiment of one cell, can be numbered from 0, then the corresponding position of first bit is 0, and second bit corresponds to Position be 1, and so on.It is 3 × 3 matrixes in above-mentioned first notification information (such as NR-RNTP)'s In embodiment, cell location can be the position of row cell, be represented by row number i.
For example, the first notification information is bit string 001110101, each bit is a cell, wherein front three bit ' 001 ' the unit running time-frequency resource region corresponded to corresponds to the SCS of 15kHz；4th bit is corresponded to the 6th bit ' 110 ' The SCS of 30kHz；7th bit corresponds to the SCS of 60kHz to the 9th bit ' 101 '.It is assumed that in this example, bit position It being numbered from 0, i.e. the corresponding position of first bit is 0, and the corresponding position of second bit is 1, and so on.
At this point, the second notification information can generate it is as follows：
SCS 15kHz_start_position=0
SCS 15kHz_end_position=2
SCS30kHz_start_position=3
SCS30kHz_end_position=5
SCS60kHz_start_position=6
SCS60kHz_end_position=8
Alternatively, the second notification information can include the first notification information in all SCS types beginning cell location and Terminate the instruction of cell location, and also introduce position offset instruction.Herein, these start cell location and terminate cell location Instruction represent without respect to the position of first cell of the first notification information, but with the first of the first notification information Relative position on the basis of position after a cell offset represents.
For example, the first notification information be bit string 0001110101, each bit be a cell, second bit to the 4th Position bit ' 001 ' corresponds to the SCS of 15kHz；5th bit corresponds to the SCS of 30kHz to the 7th bit ' 110 '；8th Position bit corresponds to the SCS of 60kHz to the tenth bit ' 101 '.It is assumed that in this example, the bit position in the first notification information It being numbered from 0, i.e. the corresponding position of first bit is 0, and the corresponding position of second bit is 1, and so on.
At this point, the second notification information can generate it is as follows：
Position offset instruction=1
SCS 15kHz_start_position=0
SCS 15kHz_end_position=2
SCS 30kHz_start_position=3
SCS 30kHz_end_position=5
SCS 60kHz_start_position=6
SCS 60kHz_end_position=8.
As another embodiment, the second notification information can include the beginning of all SCS types in the first notification information The instruction of cell location terminates the instruction of cell location without including；Or second notification information can include first notice believe The instruction of the end cell location of all SCS types in breath starts the instruction of cell location without including.
For example, the first notification information is bit string 001110101, each bit is a cell, wherein front three bit ' 001 ' corresponds to the SCS of 15kHz；4th bit corresponds to the SCS of 30kHz to the 6th bit ' 110 '；7th bit The SCS of 60kHz is corresponded to the 9th bit ' 101 '.It is assumed that in this example, bit position is numbered from 0, i.e., first ratio Special corresponding position is 0, and the corresponding position of second bit is 1, and so on.
At this point, the second notification information can generate it is as follows：
SCS 15kHz_start_position=0
SCS30kHz_start_position=3
SCS60kHz_start_position=6
Alternatively, the second notification information can generate it is as follows：
SCS 15kHz_end_position=2
SCS 30kHz_end_position=5
SCS 60kHz_end_position=8
Similar with previous embodiment, alternatively, the second notification information can include all SCS types in the first notification information Beginning cell location or terminate cell location instruction, and also introduce position offset instruction.Herein, these start cell position It puts or terminates what the instruction of cell location was represented without respect to the position of first cell of the first notification information, but with the Relative position on the basis of position after first cell offset of one notification information represents.
For example, the first notification information is bit string 0001110101, second bit is corresponded to the 4th bit ' 001 ' The SCS of 15kHz；5th bit corresponds to the SCS of 30kHz to the 7th bit ' 110 '；8th bit is to the tenth bit ' 101 ' correspond to the SCS of 60kHz.It is assumed that in this example, bit position is numbered from 0, i.e. the corresponding position of first bit It is 0, the corresponding position of second bit is 1, and so on.
At this point, the second notification information can generate it is as follows：
Position offset instruction=1
SCS 15kHz_start_position=0
SCS 30kHz_start_position=3
SCS 60kHz_start_position=6
Or second notification information can generate it is as follows：
Position offset instruction=1
SCS 15kHz_end_position=2
SCS 30kHz_end_position=5
SCS 60kHz_end_position=8.
In the above embodiments, what the SCS types coexisted that all assuming base station can support were to determine, and be it What his base station knew in advance.
The uncertain situation of SCS types coexisted that base station can be supported is considered below, in this case the second notice letter Breath can preferably include two group informations.First group information is used to indicate the type of all SCS coexisted in system, such as can be with All existing SCS types are listed according to certain order.Second group information is used to indicate these that listed in the first group information The corresponding position in the first notification information of SCS types, instruction sequence are indicated with the SCS types in the first group information Sequence consensus.Similar, second group of letter in the case of being to determine with the above-mentioned SCS types coexisted that assumes base station and can support Breath can there are many represent.It is respectively corresponded to about SCS types all in the first notification information for example, the second group information can be included Beginning cell location and terminate cell location instruction.Alternatively, the second group information can also be included in the first notification information The instruction for only starting cell location or only terminate cell location of all SCS types.Optionally, in above two scheme, also Position offset instruction can be introduced, the beginning cell location of SCS types included so as to the second group information and/or end cell position The instruction put will represent without respect to the position of the first of the first notification information cell, but with the first notification information Relative position on the basis of position after first cell offset represents.
Illustrate below by specific example.
For example, the first notification information is bit string 0001110101, second bit is corresponded to the 4th bit ' 001 ' The SCS of 15kHz；5th bit corresponds to the SCS of 30kHz to the 7th bit ' 110 '；8th bit is to the tenth bit ' 101 ' correspond to the SCS of 60kHz.It is assumed that in this example, bit position is numbered from 0, i.e. the corresponding position of first bit It is 0, the corresponding position of second bit is 1, and so on.
Then, the first group information in the second notification information can be generated as 00 01 10, wherein 00 represents 15kHz's SCS, 01 represents the SCS of 30kHz, and 10 represent the SCS of 60kHz.
Optionally, the second group information in the second notification information can be generated as 13 46 79 (or its is binary Position represents).Wherein, 1 initial bits positions of the SCS of 15kHz in the first notification information is represented, 3 represent the SCS of 15kHz End bit position in the first notification information, 4 represent initial bits positions of the SCS of 30kHz in the first notification information, 6 represent end bit positions of the SCS of 30kHz in the first notification information, and 7 represent the SCS of 60kHz in the first notification information Initial bits position, 9 represent end bit positions of the SCS of 60kHz in the first notification information.
It is 147 that alternatively, the second group information in the second notification information, which can be generated as, (or binary position It represents).Wherein, 1 initial positions of the SCS of 15kHz in the first notification information is represented, 4 SCS for representing 30kHz lead to first Know the initial position in information, 7 represent initial positions of the SCS of 60kHz in the first notification information.
Alternatively, (or the binary position table that can be generated as 369 of the second group information in the second notification information Show).Wherein, 3 end positions of the SCS of 15kHz in the first notification information is represented, 6 represent the SCS of 30kHz in the first notice End position in information, 9 represent end positions of the SCS of 60kHz in the first notification information.
It is 1 02 35 68 that alternatively, the second group information in the second notification information, which can be generated as, (or binary system Position represent).Wherein, 1 position offset 1 is represented, 0 indicates that the sum of 1 SCS for representing 15kHz leads to first with position offset Know the initial position in information, 2 represent stop bits of the SCS of 15kHz in the first notification information with position offset instruction the sum of 1 It puts, 3 represent initial positions of the SCS of 30kHz in the first notification information with position offset instruction the sum of 1, and 5 refer to position offset Show that the sum of 1 represents end positions of the SCS of 30kHz in the first notification information, 6 represent 60kHz with position offset instruction the sum of 1 Initial positions of the SCS in the first notification information, 8 indicate that the sum of 1 represents the SCS of 60kHz in the first notice with position offset End position in information.
Alternatively, (or the binary position that can be generated as 1036 of the second group information in the second notification information It represents).Wherein, 1 position offset 1 is represented, the sum of 0 and position offset instruction represent the SCS of 15kHz in the first notification information Initial position, the sum of 3 and position offset instruction represent initial positions of the SCS of 30kHz in the first notification information, 6 and position It puts the sum of offset instruction and represents initial positions of the SCS of 60kHz in the first notification information.
Alternatively, (or the binary position that can be generated as 1258 of the second group information in the second notification information It represents).Wherein, 1 position offset 1 is represented, 2 represent the SCS of 15kHz in the first notification information with position offset instruction the sum of 1 In end position, 5 represent end positions of the SCS of 30kHz in the first notification information with position offset instruction the sum of 1,8 with Position offset instruction the sum of 1 represents end positions of the SCS of 60kHz in the first notification information.
As another embodiment, the second group information in the second notification information can also be one group of bit map.Wherein Each bit map can indicate appearance position of a certain specific SCS types in the first notification information.Each bit Sequence of the figure in bit map group and the sequence consensus of the SCS types instruction in the first group information.
For example, it is contemplated that following example.First notification information is bit string 001110101, and wherein front three bit ' 001 ' is right Answer the SCS of 15kHz；4th bit corresponds to the SCS of 30kHz to the 6th bit ' 110 '；7th bit is to the 9th Bit ' 101 ' corresponds to the SCS of 60kHz.
Then, the first group information in the second notification information can be 00 01 10, wherein the SCS of 00 expression 15kHz, 01 Represent the SCS of 30kHz, 10 represent the SCS of 60kHz.
Correspondingly, the second group information in the second notification information can be ' 111000000 ', ' 000111000 ', ‘000000111’.Wherein, first bit bit string ' 111000000 ' represents that front three bit corresponds in the first notification information The SCS of 15kHz；Second bit bit string ' 000111000 ' represents in the first notification information the 4th bit to the 6th bit Correspond to the SCS of 30kHz；Three bits correspond to after first bit bit string ' 000000111 ' is represented in the first notification information The SCS of 60kHz.
In step s130, it is logical that base station (source base station) is sent in first generated in step s110 and s120 to other base stations Know information and the second notification information.For example, source base station can be sent out the first notification information and the second notification information by X2 interface Give target BS.
Fig. 4 schematically shows the notification informations that receives and parses through according to embodiments of the present invention in target BS side The flow chart of method 200.
In step s210, base station (target BS) receives the notification information from another base station (source base station), the notice Information includes the first notification information and the second notification information.About the first notification information and the second notice above with reference to side Method 300 is described in detail, and details are not described herein.
In step s220, which parses the first notification information of reception and the second notification information, to obtain Interference or power level of the source base station on time and frequency domain dimension.So as to which the base station can be assisted using the information obtained Determine the scheduling strategy of oneself, distribution, power control including running time-frequency resource send signal time selection etc., realize base station Between interference coordination.
Fig. 5 shows the schematic block diagram of base station 500 according to an embodiment of the invention.Base station 500 includes processor 506 (for example, microprocessor (μ P), digital signal processor (DSP) etc.).Processor 506 can be performed for stream described herein Single treatment unit either multiple processing units of the different actions of journey (such as method 300 and/or 400).Base station 500 can be with Output unit including being used for from the input unit 502 of other entities reception signal and for providing from signal to other entities 504.Input unit 502 and output unit 504 can be arranged to the entity that single entities either detach.
In addition, base station 500 can include having non-volatile or form of volatile memory at least one readable storage Medium 508, e.g. electrically erasable programmable read-only memory (EEPROM), flash memory, and/or hard disk drive.Readable storage Medium 508 includes computer program 510, which includes code/computer-readable instruction, by base station 500 In processor 506 allow base station 500 when performing and/or the equipment 100 including base station 500 performs knot for example above Close the described flow in Fig. 3~4 and its any deformation.
Computer program 510 can be configured with the computer journey of such as computer program module 510A~510C frameworks Sequence code, computer program module 510A~510C can substantially perform the corresponding step in the flow shown in Fig. 3~4 Suddenly.
Although being implemented as computer program module above in conjunction with the code means in Fig. 5 the disclosed embodiments, Base station 500 is performed above in conjunction with the described action in Fig. 3~4, however in alternative embodiment when being performed in processor 506 In, at least one in the code means can at least be implemented partly as hardware circuit.
Base station 500 can be used for performing above-mentioned method 300 and/or 400.The concrete operations of base station 500 can refer to upper The description as described in method 300 and/or 400 is stated, details are not described herein.
Fig. 6 shows the schematic block diagram of base station 600 according to another embodiment of the present invention.As shown in the figure, base station 600 includes Generation unit 610, transmitting element 620.Optionally, base station 600 can also include receiving unit 630 and processing unit 640.
Generation unit 610 may be configured to：The first notification information is generated, first notification information includes multiple letters Member, each cell indicate interference or power level of the base station on a unit running time-frequency resource region；And generation second Notification information, second notification information are used to indicate the SCS types corresponding to each cell in the first notification information.
Transmitting element 620 may be configured to：Send generated the first notification information and the second notification information.
Receiving unit 630 may be configured to：Receive third notice information and the 4th notification information from other base stations.
Processing unit 640 may be configured to：Received third notice information and the 4th notification information are parsed to know Interference or power level of other the described base stations on time and frequency dimension, wherein, the third notice information includes multiple Cell, each cell instruction interference or power level of other base stations on a unit running time-frequency resource region；Described Four notification informations are used to indicate the SCS types corresponding to each cell in third notice information.
It should be understood that above-mentioned third notice information and the 4th notification information are believed respectively with the first notification information and the second notice Cease similar, it is different to simply generate and send their base station (i.e. source base station).
Base station 600 can be used for performing above-mentioned method 300 and/or 400.The concrete operations of base station 600 can refer to upper The description as described in method 300 and/or 400 is stated, details are not described herein.
It will be understood by those skilled in the art that component related to the present invention is illustrated only in base station in fig. 5 and fig., To avoid obscuring the present invention.However, it will be understood by those skilled in the art that although being not shown in fig. 5 and fig., according to this The base station of inventive embodiments can also include forming other basic units of base station.
Above detailed description has elaborated supporting different sub- loads by using schematic diagram, flow chart and/or example The method of transmission interference coordination information in the system that wave type SCS coexists and numerous embodiments of base station.This schematic diagram, In the case that flow chart and/or example include one or more functions and/or operation, it will be understood by those skilled in the art that this Each function and/or operation in schematic diagram, flow chart or example can pass through various structures, hardware, software, firmware or essence They upper arbitrarily combination carrys out independent and/or common realization.In one embodiment, if theme described in embodiment of the disclosure Stem portion can by application-specific integrated circuit (ASIC), field programmable gate array (FPGA), digital signal processor (DSP), Or other integrate forms to realize.However, the those skilled in the art will appreciate that some aspects of embodiments disclosed herein It can equally realize in integrated circuits on the whole or partly, be embodied as run on one or more computer one A or multiple computer programs (for example, being embodied as the one or more programs run in one or more computer system), The one or more programs run on the one or more processors are embodied as (for example, being embodied as in one or more microprocessors The one or more programs run on device), it is embodied as firmware or is substantially embodied as the arbitrary combination of aforesaid way, and Those skilled in the art will be provided with design circuit and/or the ability of software and/or firmware code be written according to the disclosure.In addition, It would be recognized by those skilled in the art that the mechanism of theme described in the disclosure can be divided as the program product of diversified forms Hair, and regardless of the concrete type of the practical signal bearing medium for being used for performing distribution, the example of theme described in the disclosure Property embodiment be applicable in.The example of signal bearing medium includes but not limited to：Recordable-type media, as floppy disk, hard disk drive, Compact-disc (CD), digital versatile disc (DVD), digital magnetic tape, computer storage etc.；And transmission type media, such as number and/or Analogue communication medium (for example, optical fiber cable, waveguide, wired communications links, wireless communication link etc.)
Although having been combined the preferred embodiment of the present invention above shows the present invention, those skilled in the art will It will be appreciated that without departing from the spirit and scope of the present invention, the present invention can be carry out various modifications, replaced and changed Become.Therefore, the present invention should not be limited by above-described embodiment, and should be limited by appended claims and its equivalent.

Claims (26)

1. a kind of method performed in base station in the system that different sub-carrier type SCS is supported to coexist, including：
The first notification information is generated, first notification information includes multiple cells, and each cell indicates the base station at one Interference or power level on unit running time-frequency resource region；
The second notification information is generated, second notification information is used to indicate corresponding to each cell in the first notification information SCS types；And
Send generated the first notification information and the second notification information.
2. according to the method described in claim 1, wherein, the interference or power level are for one of the following：With respect to narrowband Transmission power, uplink disturbance load and high interference.
3. according to the method described in claim 1, span of the wherein described unit running time-frequency resource region on frequency domain occupies one Or the bandwidth of multiple PRB or PRB pair, span in time occupy 1,2 or more time slots.
4. according to the method described in claim 1, first notification information is expressed as bit string or matrix.
5. according to the method described in claim 1, each cell in the multiple cell in first notification information accounts for With a bit or more bits.
6. according to the method described in claim 1, second notification information is included about SCS classes all in the first notification information The corresponding instruction for starting cell location and/or terminating cell location of type.
7. according to the method described in claim 1, second notification information is included about SCS classes all in the first notification information The corresponding instruction for starting cell location and/or terminating cell location of type and position offset instruction.
8. according to the method described in claim 1, wherein, second notification information includes two group informations, the first group information refers to Show all SCS types coexisted in system, all SCS types that the second group information indicates to list in the first group information respectively correspond to The appearance position in the first notification information.
9. according to the method described in claim 8, second group information is included about all SCS listed in the first group information The instruction of the corresponding beginning cell location and/or end cell location in the first notification information of type.
10. own according to the method described in claim 1, second group information is included about what is listed in the first group information Instruction and the position of the corresponding beginning cell location and/or end cell location in the first notification information of SCS types Put offset instruction.
11. according to the method described in claim 1, second group information includes one group of bit map, wherein each bit Bitmap indicates appearance position of the specific SCS types in the first notification information.
12. a kind of method performed in base station in the system that different sub-carrier type SCS is supported to coexist, including：
Receive the first notification information and the second notification information from other base stations；And
The first received notification information and the second notification information are parsed to know other described base stations in time and frequency dimension On interference or power level,
Wherein, first notification information includes multiple cells, and each other described base stations of cell instruction are in a unit time-frequency Interference or power level in resource area, second notification information are used to indicate each cell in the first notification information Corresponding SCS types.
13. a kind of base station in the system that different sub-carrier type SCS is supported to coexist, including：
Processor；And
Memory, store instruction, when described instruction performs on the processor so that the processor is configured to：
The first notification information is generated, first notification information includes multiple cells, and each cell indicates the base station at one Interference or power level on unit running time-frequency resource region；
The second notification information is generated, second notification information is used to indicate corresponding to each cell in the first notification information SCS types；And
Send generated the first notification information and the second notification information.
14. base station according to claim 13, wherein, the interference or power level are for one of the following：It is relatively narrow Band transmission power, uplink disturbance load and high interference.
15. base station according to claim 13, wherein span of the unit running time-frequency resource region on frequency domain occupies one The bandwidth of a or multiple PRB or PRB pair, span in time occupy 1,2 or more time slots.
16. base station according to claim 13, first notification information is expressed as bit string or matrix.
17. base station according to claim 13, each cell in the multiple cell in first notification information Occupy a bit or more bits.
18. base station according to claim 13, second notification information is included about all SCS in the first notification information The corresponding instruction for starting cell location and/or terminating cell location of type.
19. base station according to claim 13, second notification information is included about all SCS in the first notification information The corresponding instruction for starting cell location and/or terminating cell location of type and position offset instruction.
20. base station according to claim 13, wherein, second notification information includes two group informations, the first group information All SCS types coexisted in instruction system, the second group information indicate that all SCS types listed in the first group information are respectively right The appearance position in the first notification information answered.
21. base station according to claim 20, second group information includes all about what is listed in the first group information The instruction of the corresponding beginning cell location and/or end cell location in the first notification information of SCS types.
22. base station according to claim 13, second group information includes all about what is listed in the first group information Instruction and the position of the corresponding beginning cell location and/or end cell location in the first notification information of SCS types Put offset instruction.
23. base station according to claim 13, second group information includes one group of bit map, wherein each bit Bitmap indicates appearance position of the specific SCS types in the first notification information.
24. base station according to claim 13, wherein the processor is additionally configured to：
Third notice information and the 4th notification information from other base stations are received,
Received third notice information and the 4th notification information are parsed to know other described base stations in time and frequency dimension On interference or power level,
Wherein, the third notice information includes multiple cells, and each other described base stations of cell instruction are in a unit time-frequency Interference or power level in resource area；4th notification information is used to indicate each cell in third notice information Corresponding SCS types.
25. a kind of base station in the system that different sub-carrier type SCS is supported to coexist, including：
Generation unit is configured to：The first notification information is generated, first notification information includes multiple cells, each cell Indicate interference or power level of the base station on a unit running time-frequency resource region；And the second notification information of generation, institute State the SCS types corresponding to each cell that the second notification information is used to indicate in the first notification information；And
Transmitting element is configured to：Send generated the first notification information and the second notification information.
26. base station according to claim 25, further includes：
Receiving unit is configured to：Third notice information and the 4th notification information from other base stations are received,
Processing unit is configured to：Received third notice information and the 4th notification information are parsed to know other described bases It stands interference or power level on time and frequency dimension,
Wherein, the third notice information includes multiple cells, and each other described base stations of cell instruction are in a unit time-frequency Interference or power level in resource area；4th notification information is used to indicate each cell in third notice information Corresponding SCS types.
CN201611175718.XA 2016-12-16 2016-12-16 The method of transmission interference coordination information and base station Pending CN108207034A (en)

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