CN102186155A - Interactive method and system for intercell information - Google Patents
Interactive method and system for intercell information Download PDFInfo
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- CN102186155A CN102186155A CN2011101127449A CN201110112744A CN102186155A CN 102186155 A CN102186155 A CN 102186155A CN 2011101127449 A CN2011101127449 A CN 2011101127449A CN 201110112744 A CN201110112744 A CN 201110112744A CN 102186155 A CN102186155 A CN 102186155A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W72/20—Control channels or signalling for resource management
- H04W72/27—Control channels or signalling for resource management between access points
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- H04W—WIRELESS COMMUNICATION NETWORKS
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- 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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Abstract
The invention provides an interactive method and system for intercell information. The method comprises the following steps: a network element belonging to a first cell confirms the position of an interference-sensitive transmission resource, wherein the position of the interference-sensitive transmission resource comprises the position of the transmission resource of a control signaling in the first cell; and the network element belonging to the first cell sends the position information of the interference-sensitive transmission resource to a network element belonging to a second cell. In the invention, the interactive effect of intercell interference information is achieved.
Description
Technical field
The present invention relates to the communications field, in particular to the exchange method and the system of a kind of minizone information.
Background technology
At Long Term Evolution (Long Term Evolution, abbreviate LTE as) version (Release of system, be called for short R) 8/9 and advanced long-term evolution system (Long-Term EvolutionAdvance, abbreviate LTE-Advance as) among the R10 of system version, descending control signaling generally is configured in top n OFDM (Orthogonal Frequency Division Multiplexing, abbreviate OFDM as) send on the symbol, this N symbol is commonly referred to as control signaling transmission region, wherein, N can be configured to 1,2,3,4.The frequency domain resource that can be used for transmitting of this N symbol all is used to control the transmission of signaling.
The available transmission resources of control signaling transmission region is divided into a plurality of control channels unit (Control Channel Element, abbreviate CCE as) resource units, it is that unit distributes with CCE that control information takies resource, be generally 1,2,4,8 CCEs, the resource units CCE here can further be subdivided into a plurality of resource particle groups (Resource Element Group again, abbreviate REGs as), a CCE is made up of a plurality of discontinuous REGs, generally be that 9 REGs constitute a CCE, again further, each REG is made up of a plurality of basic resources units.
This shows, the control signaling transfer resource that the user distributes is not continuous, thereby make the control signaling area can only use diversity technique and be difficult to use the closed loop precoding technique, its main cause is that demodulation pilot frequency and feedback aspect have very big design difficulty, therefore, the control signaling all is only to support discontinuous resource transmission and diversity technique in the existing version.
In the version after R10, in order to improve the transmission capacity of control channel, support the control signaling of more users, consider to have opened up new control channel zone, and, the control signaling transfer resource of same subscriber equipment (User Equipment abbreviates UE as) can be continuous running time-frequency resource, thereby can support the closed loop precoding technique.
Fig. 1 is the schematic diagram according to the control signaling area in the new and old edition of correlation technique.Redaction after the R10 can be supported closed loop precoding technique, the more a plurality of users' of lifting control signaling capacity support control signaling so that control when signaling is transmitted.Fig. 2 is according to the frequency domain position of correlation technique and the schematic diagram of the relation between disturbing.The early version resource that (comprises R10) before the R10 is disperseed, and the interference that the control signaling is subjected to is big on the transfer resource that has, and is little on the resource that has, and therefore, as a whole, all transfer resources seldom occur and all is subjected to situation about largely disturbing.And in the redaction after R10, in the new control information transmission location of introducing, the resource that UE distributes is continuous, therefore, the disturbed condition that each several part is subjected to is very similar, the situation of larger interference may occur being subjected to simultaneously, and the robustness of transmission can be a greater impact.And the control signaling can be very responsive to robustness.The error of transmission of control signaling has a strong impact on systematic function.
In addition, the scheme that does not also have the mutual and control signaling interference eliminated of minizone control signaling interfere information in the correlation technique.
Summary of the invention
Main purpose of the present invention is to provide the interaction schemes of a kind of minizone information, causes presence of intercell interference bigger to solve at least in the correlation technique alternately owing to control signaling minizone lacks interfere information, thereby influences the problem of systematic function.
According to an aspect of the present invention, the exchange method of a kind of minizone information is provided, comprise: network element determines to disturb the position of responsive transfer resource under first sub-district, wherein, disturbs the position of responsive transfer resource to comprise: in first sub-district transfer resource position of control signaling; Network element will disturb the information of the position of responsive transfer resource to send to network element under second sub-district under first sub-district.
According to another aspect of the present invention, provide the exchange method of a kind of minizone information, having comprised: the affiliated network element in the network element and second sub-district consults to determine the area configurations of all or part of control signaling in first sub-district and/or second sub-district under first sub-district.
According to a further aspect of the invention, the exchange method of a kind of minizone information is provided, comprise: network element network element under second sub-district sends the interfere information of transfer resource position under first sub-district, and wherein, interfere information is used to indicate the grade of the interference of transfer resource position.
According to a further aspect of the invention, the exchange method of a kind of minizone information is provided, has comprised: network element is the running time-frequency resource position that the resource granularity is determined the low Almost Blank of usage degree among one section running time-frequency resource position M with m subcarrier and n symbol under first sub-district; And the usage degree information of running time-frequency resource position sent to network element under second sub-district; Wherein, the value of m and n is one of following: (m, n)=(12,1), (m, n)=(12,6), (m, n)=(12,7), (m, n)=(12,12), (m, n)=(12,14), (m, n)=(24,1), (m, n)=(24,6), (m, n)=(24,7), (m, n)=(24,12), (m, n)=(24,14), (m, n)=(6,1), (m, n)=(6,6), (m, n)=(6,7), (m, n)=(6,12), (m, n)=(6,14), (m, n)=(1,1).
According to an aspect of the present invention, the interactive system of a kind of minizone information is provided, comprise: network element under the network element and second sub-district under first sub-district, wherein, network element under first sub-district, be used for determining to disturb responsive transfer resource position, wherein, disturb responsive transfer resource position to comprise: in first sub-district transfer resource position of control signaling; Network element under first sub-district, the information that also is used for disturbing responsive transfer resource position sends to network element under second sub-district.
According to a further aspect in the invention, the interactive system of a kind of minizone information is provided, comprise: network element under the network element and second sub-district under first sub-district, wherein, the affiliated network element in the network element and second sub-district is used for consulting to determine that all or part of control signaling area of first sub-district and/or second sub-district disposes under first sub-district.
In accordance with a further aspect of the present invention, the interactive system of a kind of minizone information is provided, comprise: network element under the network element and second sub-district under first sub-district, wherein, network element is used for the interference sensitivity information of network element transmission transfer resource position under second sub-district under first sub-district, wherein, disturb sensitivity information to be used to indicate the grade of the interference sensitivity of transfer resource position.
According to another aspect of the invention, the interactive system of a kind of minizone information is provided, comprise: network element under the network element and second sub-district under first sub-district, wherein, network element under first sub-district, being used for m subcarrier and n symbol is the running time-frequency resource position that the resource granularity is determined the low Almost Blank of one section running time-frequency resource position M usage degree; And the usage degree information of running time-frequency resource position sent to network element under second sub-district; Wherein, the value of m and n is one of following: (m, n)=(12,1), (m, n)=(12,6), (m, n)=(12,7), (m, n)=(12,12), (m, n)=(12,14), (m, n)=(24,1), (m, n)=(24,6), (m, n)=(24,7), (m, n)=(24,12), (m, n)=(24,14), (m, n)=(6,1), (m, n)=(6,6), (m, n)=(6,7), (m, n)=(6,12), (m, n)=(6,14), (m, n)=(1,1).
By the present invention, network element network element under second sub-district sends the mode of the information of the position of disturbing responsive transfer resource under first sub-district, make second sub-district can know the disturbed condition of neighbor cell, interference signal is originally become useful signal, perhaps reduced the control signaling that the affiliated network element in second sub-district sends in the position of disturbing responsive transfer resource, thereby reduced interference neighbor cell.
By the present invention, the common area configurations of consulting to determine all or part of control signaling in first sub-district and/or second sub-district of network element under the network element and second sub-district under first sub-district, make the disturbed condition that when configuration control signaling regional, just can take all factors into consideration the minizone, thus the interference between the minimizing neighbor cell.
By the present invention, network element network element under second sub-district sends the level of interference of transfer resource position under first sub-district, make second sub-district can determine the disturbed condition of neighbor cell according to this level of interference, the resource location high in level of interference becomes useful signal with interference signal originally, perhaps reduced the control signaling that the affiliated network element in second sub-district sends in the position of disturbing responsive transfer resource, thereby reduced interference neighbor cell.
By the present invention, network element network element under second sub-district sends the usage degree information of running time-frequency resource position under first sub-district, make second sub-district can determine the usage degree of the running time-frequency resource position of neighbor cell, the control signaling that will send at the low resource location of usage degree, thus interference reduced to neighbor cell.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the control signaling area in the new and old edition of correlation technique;
Fig. 2 is according to the frequency domain position of correlation technique and the schematic diagram of the relation between disturbing;
Fig. 3 is the flow chart according to the exchange method of the minizone information of the embodiment of the invention;
Fig. 4 is the flow chart according to the exchange method of the minizone information of the example 1 of the embodiment of the invention;
Fig. 5 is the schematic diagram according to the RB-Symbol of the embodiment of the invention;
Fig. 6 is the schematic diagram according to the RB-TTI of the embodiment of the invention;
Fig. 7 is the schematic diagram according to the RB-Slot of the embodiment of the invention;
Fig. 8 is the flow chart according to the exchange method of the minizone information of the example 2 of the embodiment of the invention;
Fig. 9 is the flow chart according to the exchange method of the minizone information of the example 3 of the embodiment of the invention;
Figure 10 is the flow chart according to the exchange method of the minizone information of the example 4 of the embodiment of the invention.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Method embodiment
The embodiment of the invention provides the exchange method of a kind of minizone information, and Fig. 3 is the flow chart according to the exchange method of the minizone information of the embodiment of the invention, and as shown in Figure 3, this method comprises:
Step S302, network element (for example under first sub-district, base station among the A of sub-district) determine to disturb that responsive (the interference strength height, interference ratio is great or serious interference, interference is big to performance impact, to disturbing sensitivity) the position of transfer resource, wherein, disturb the position of responsive transfer resource to comprise: in first sub-district transfer resource position of control signaling;
Step S304, network element will disturb the positional information of responsive transfer resource to send to network element (for example, the base station among the B of sub-district) under second sub-district under first sub-district.
By this embodiment, interfere information mutual of minizone realized in first sub-district and second sub-district.
Wherein, after step S304, can reduce the interference of minizone in the following ways:
Mode one
Network element will disturb that information waiting for transmission sends to the affiliated network element in second sub-district on the position of responsive transfer resource under first sub-district; Then, network element can send this information waiting for transmission under second sub-district on the position of disturbing responsive transfer resource.By this mode, interference signal is originally become useful signal, reduced the interference of minizone.
Mode two
The position of the transfer resource of network element configuration interference sensitivity is the data channel zone under second sub-district; And/or second network element under sub-district transmission information on the position of disturbing responsive transfer resource not; Or the affiliated network element in second sub-district is reduced in the locational transmitting power of disturbing responsive transfer resource.This embodiment has reduced the control signaling that the affiliated network element in second sub-district sends in the position of disturbing responsive transfer resource, thereby has further reduced the interference of minizone.
Preferably, network element can be with a frequency domain m subcarrier under first sub-district, and time domain n OFDM symbol is the position of the transfer resource of the above-mentioned interference sensitivity of unit representation, and wherein, the value of m and n is one of following: (m, n)=(12,1), (m, n)=(12,6), (m, n)=(12,7), (m, n)=(12,12), (m, n)=(12,14), (m, n)=(24,1), (m, n)=(24,6), (m, n)=(24,7), (m, n)=(24,12), (m, n)=(24,14), (m, n)=(6,1), (m, n)=(6,6), (m, n)=(6,7), (m, n)=(6,12), (m, n)=(6,14), (m, n)=(1,1).
Preferably, (the interference strength height, interference ratio is great or serious interference for above-mentioned interference sensitivity, interference is big to performance impact, to disturbing sensitivity) transfer resource can comprise following one of at least: interference strength be higher than predetermined strength the great transfer resource of transfer resource, interference ratio in predetermined proportion, disturb the control signaling of having relatively high expectations to the bigger transfer resource of transmission performance influence, to robustness transfer resource, robustness is required the transfer resource of business datum preferably.
Wherein, the transfer resource position of control signaling can comprise following one of at least: the transmission location of the public control signaling of a plurality of UE, physical layer are mixed to retransmit and are replied signaling transfer resource position in the transmission location of the proprietary control signaling of one or more UE, first sub-district.
The embodiment of the invention also provides the exchange method of another kind of minizone information, and this method comprises: the affiliated network element in the network element and second sub-district consults to determine the area configurations of all or part of control signaling in first sub-district and/or second sub-district under first sub-district.Among this embodiment, by the configuring negotiation of first sub-district and second sub-district, make the minizone realize the mutual of control signaling, and determined all or part of control signaling area configuration of first sub-district and second sub-district.
In a preferred implementation of present embodiment, under first sub-district under the network element and second sub-district network element consult to determine that the area configurations of all or part of control signaling in first sub-district and/or second sub-district can comprise: under first sub-district network element by with second sub-district under network element hold consultation, know the configuration information of control signaling transmission location in second sub-district; Simultaneously, network element can be known the configuration information of control signaling transmission location in first sub-district by holding consultation with the network of first sub-district under second sub-district.
In another preferred implementation of present embodiment, under first sub-district under the network element and second sub-district network element consult to determine that the area configurations of all or part of control signaling in first sub-district and/or second sub-district comprises: network element network element under second sub-district sends and is used to first signaling of consulting to dispose under first sub-district; Then, network element is after receiving first signaling under second sub-district, and network element sends and is used to second signaling of consulting to dispose under first sub-district, consults to determine the area configurations of the control signaling in first sub-district and/or second sub-district with network element under first sub-district.Wherein, first signaling and second signaling can be one or more signalings.
Preferably, above-mentioned control signaling be following one of at least: the publicly-owned control signaling of the proprietary control signaling of UE, a plurality of UE, physical layer are mixed to retransmit and are replied signaling in the sub-district.
The embodiment of the invention also provides the exchange method of another minizone information, this method comprises: network element network element under second sub-district sends the interference sensitivity information of transfer resource position under first sub-district, wherein, this interference sensitivity information is used to indicate the grade of the interference sensitivity of transfer resource position.Wherein, disturb sensitivity can define a plurality of grades.By present embodiment, the mutual of interfere information realized in first sub-district and second sub-district.
Preferably, the interference sensitivity information of network element network element transmission transfer resource position under second sub-district can realize in the following manner under first sub-district: network element is determined grade or the interference sensitivity information or the interference percent information of the intensity of the transfer resource position in first sub-district under first sub-district; Network element network element under second sub-district sends the interference strength degree or disturbs sensitivity information or the interference percent information under first sub-district.By present embodiment, for the resource location of all or part of control signaling transmission in first sub-district, the interference sensitivity that the indication of first sub-district is high-grade also sends to second sub-district.
The embodiment of the invention provides the exchange method of another minizone information, and this method comprises: network element is the running time-frequency resource position that the resource granularity is determined the low Almost Blank of usage degree among one section running time-frequency resource position M with m subcarrier and n symbol under first sub-district; Then, the usage degree information of running time-frequency resource position (for example, a certain running time-frequency resource position be in Almost Blank state) is sent to network element under second sub-district; Wherein, the value of m and n is one of following: (m, n)=(12,1), (m, n)=(12,6), (m, n)=(12,7), (m, n)=(12,12), (m, n)=(12,14), (m, n)=(24,1), (m, n)=(24,6), (m, n)=(24,7), (m, n)=(24,12), (m, n)=(24,14), (m, n)=(6,1), (m, n)=(6,6), (m, n)=(6,7), (m, n)=(6,12), (m, n)=(6,14), (m, n)=(1,1).
Preferably, under first sub-district network element just the usage degree information of running time-frequency resource position send under second sub-district after the network element, under second sub-district network element can be on the resource location that is set to Almost Blank transmission information (for example, control signaling).By this mode, the interference that the information of avoiding second sub-district to send on this resource location is subjected to from first sub-district.
ABS can with the indication of time domain two dimension together, also can give a frequency domain indication separately, if frequency domain indication separately, then can be all Transmission Time Intervals (Transmission Time Interval abbreviates TTI as).
The configuration information of present embodiment by minizone control signaling transmission region mutual, the area configurations that this sub-district can send control signaling adjacent sub-district is a data channel, perhaps send information with low-power or zero energy on the zone that sends control signaling in adjacent sub-district, thereby avoid interference, improved robustness adjacent sub-district control channel.
Implementation procedure below by the instantiation explanation embodiment of the invention.
Example 1
Present embodiment provides the mutual specific implementation method of a kind of minizone information, and Fig. 4 is the flow chart according to the exchange method of the minizone information of the example 1 of the embodiment of the invention, and as shown in Figure 4, this method comprises:
Step S401: sub-district A determines the transfer resource position of the interference sensitivity (or be described as the interference strength height, interference ratio is great, serious interference) of one or more UE, for example, can be proprietary control signaling transfer resource configuration.
The transfer resource position can be described or other redetermination resources definition and method for expressing description with the existing resources definition of LTE/LTE-A.For example, be unit representation with RB-TTI, with RB-Slot unit representation, RB-Symbol is unit representation, or is unit representation with RE, below these several units is described respectively.
RB-Symbol: as shown in Figure 5,, on time domain, comprise the two-dimentional unit of an OFDM symbol on frequency domain, comprising a sub-carrier number that RB contains of agreement regulation.
RB-TTI: as shown in Figure 6,, on time domain, comprise the two-dimentional unit of a TTI (Subframe, subframe) on frequency domain, comprising a sub-carrier number that RB contains of agreement regulation.Wherein, 1 TTI comprises a plurality of OFDM symbols.
RB-Slot: as shown in Figure 7,, on time domain, comprise the two-dimentional unit of a Slot (time slot) on frequency domain, comprising a sub-carrier number that RB contains of agreement regulation.1 Slot comprises a plurality of OFDM symbols, and 2 Slot equal 1 TTI.
Need to prove that resource units also can be described with other mode, for example, is the resource granularity with m subcarrier and n symbol.Wherein, the value of m and n is one of following: (m, n)=(12,1), (m, n)=(12,6), (m, n)=(12,7), (m, n)=(12,12), (m, n)=(12,14), (m, n)=(24,1), (m, n)=(24,6), (m, n)=(24,7), (m, n)=(24,12), (m, n)=(24,14), (m, n)=(6,1), (m, n)=(6,6), (m, n)=(6,7), (m, n)=(6,12), (m, n)=(6,14), (m, n)=(1,1).
Step S402: sub-district A (for example, the base station among the A of sub-district) sends the proprietary control signaling transfer resource configuration information of one or more UE to sub-district B (for example, the base station among the B of sub-district).
Sub-district A can carry out the transmission of above-mentioned information by the minizone interface of definition, for example, sends by X2 interface, perhaps sends by other self-defining interface.When sub-district A sent proprietary control signaling transfer resource configuration information to sub-district B, this resource location of expression can be RB-TTI, RB-Slot, RB-Symbol based on minimum particle size on this interface, or RE represents.
When the proprietary control signaling transfer resource configuration information of a plurality of UE need send to sub-district B, can adopt the resource representation method of associating, that is, sub-district A informs the union Ω of many UE control of sub-district B signaling transfer resource.
Preferably, Ω can be less than the set of all proprietary control signaling transfer resources among the A of sub-district, that is to say only have the UE of part cell edge to be subjected to sub-district B interference, the positional information of the proprietary control signaling transfer resource that this part can be disturbed need send to sub-district B.
Step S403: after sub-district B obtains the proprietary control signaling transfer resource configuration information of one or more UE that sub-district A sends, then, on these resource locations, can carry out following operation one of at least: it is the data channel zone that sub-district B can dispose corresponding position; Sub-district B also can not send any information; Sub-district B can also send information by lower-wattage.
By the way, can reduce the interference strength that control signaling that sub-district A sends is subjected on these positions.
Example 2
Present embodiment provides the mutual specific implementation method of a kind of minizone information, and Fig. 8 is the flow chart according to the exchange method of the minizone information of the example 2 of the embodiment of the invention, and as shown in Figure 8, this method comprises:
Step S801: sub-district A determines the transfer resource position of the interference sensitivity (or be described as the interference strength height, interference ratio is great, serious interference) of one or more UE, for example, and the proprietary control signaling transfer resource configuration of one or more UE.
Wherein, the transfer resource position can be described or other redetermination resources definition and method for expressing description with the existing resources definition of LTE/LTE-A.For example, be unit representation with RB-TTI, be unit representation with RB-Slot, be unit representation with RB-Symbol, with RE unit representation.Also can describe resource units with other mode, for example, be the resource granularity with m subcarrier and n symbol.Wherein, the value of m and n is one of following: (m, n)=(12,1), (m, n)=(12,6), (m, n)=(12,7), (m, n)=(12,12), (m, n)=(12,14), (m, n)=(24,1), (m, n)=(24,6), (m, n)=(24,7), (m, n)=(24,12), (m, n)=(24,14), (m, n)=(6,1), (m, n)=(6,6), (m, n)=(6,7), (m, n)=(6,12), (m, n)=(6,14), (m, n)=(1,1).
Step S802: sub-district A sends the proprietary control signaling transfer resource configuration information of one or more UE to sub-district B.
The minimum particle size that this transfer resource is represented can be RB-TTI, RB-Slot, RB-Symbol or RE.Also can describe resource units with other mode, for example, be the resource granularity with m subcarrier and n symbol.Wherein, the value of m and n is one of following: (m, n)=(12,1), (m, n)=(12,6), (m, n)=(12,7), (m, n)=(12,12), (m, n)=(12,14), (m, n)=(24,1), (m, n)=(24,6), (m, n)=(24,7), (m, n)=(24,12), (m, n)=(24,14), (m, n)=(6,1), (m, n)=(6,6), (m, n)=(6,7), (m, n)=(6,12), (m, n)=(6,14), (m, n)=(1,1).Sub-district A can carry out the transmission of above-mentioned information by the minizone interface of definition, for example, and X2 interface or other self-defining interface.
Can adopt the resource representation method of associating when the proprietary control signaling transfer resource configuration information of a plurality of UE need send to sub-district B, that is, sub-district A informs the union Ω of many UE control of sub-district B signaling transfer resource.
Preferably, sub-district A can inform the information of the transmission of sub-district A on these transfer resource positions of sub-district B directly or indirectly.Wherein, the method for informing indirectly can comprise: sub-district A informs sub-district B information, and treaty rule can be so that sub-district B calculates the information that sub-district A sends on these transfer resource positions.
Wherein, sub-district A informs that the transmission information content of sub-district B can be following at least a: content, coding back content, the preceding content of modulation, modulation back information before encoding.Preferably, sub-district A informs that the transmission information content of sub-district B can be the information after the modulation.Sub-district A informs that the transmission information of sub-district B can comprise the control signaling, can also comprise pilot frequency information.Sub-district A informs that sub-district B can comprise the situation of the information of not sending.Sub-district A informs that the information of sub-district B and the rule of agreement can make sub-district A send identical data with B on the RE of expectation.
Step S803: sub-district B sends the information content identical with sub-district A after obtaining the proprietary control signaling transfer resource configuration information and corresponding transmission information of one or more UE that sub-district A sends on these resource locations.
Reduce the method for disturbing in example 1, example 2 makes sub-district B and sub-district A be some the edge UE services among the A of sub-district jointly, and sub-district A can send identical control information content with sub-district B, and interference is originally become useful signal.
Example 3
Present embodiment provides the mutual specific implementation method of a kind of minizone information, and Fig. 9 is the flow chart according to the exchange method of the minizone information of the example 3 of the embodiment of the invention, and as shown in Figure 9, this method comprises:
Step S901: sub-district A determines the transfer resource position of the interference sensitivity (or be described as the annoyance level height, interference ratio is great, serious interference) of one or more UE, for example, and the publicly-owned control signaling transfer resource configuration of a plurality of UE.
Above-mentioned transfer resource position can be described or other redetermination resources definition and method for expressing description with the existing resources definition of LTE/LTE-A.For example, be unit representation with RB-TTI, be unit representation with RB-Slot, with RB-Symbol unit representation, RE is unit representation.Also can describe resource units with other mode, for example, be the resource granularity with m subcarrier and n symbol.Wherein, the value of m and n is one of following: (m, n)=(12,1), (m, n)=(12,6), (m, n)=(12,7), (m, n)=(12,12), (m, n)=(12,14), (m, n)=(24,1), (m, n)=(24,6), (m, n)=(24,7), (m, n)=(24,12), (m, n)=(24,14), (m, n)=(6,1), (m, n)=(6,6), (m, n)=(6,7), (m, n)=(6,12), (m, n)=(6,14), (m, n)=(1,1).
Step S902: sub-district A sends publicly-owned control signaling transfer resource configuration information to sub-district B.
Sub-district A can carry out the transmission of above-mentioned information by the minizone interface of definition, for example, and X2 interface or other self-defining interface.Resource location can be that RB-TTI, RB-Slot, RB-Symbol or RE represent based on minimum particle size.Also can describe resource units with other mode, for example, be the resource granularity with m subcarrier and n symbol.Wherein, the value of m and n is one of following: (m, n)=(12,1), (m, n)=(12,6), (m, n)=(12,7), (m, n)=(12,12), (m, n)=(12,14), (m, n)=(24,1), (m, n)=(24,6), (m, n)=(24,7), (m, n)=(24,12), (m, n)=(24,14), (m, n)=(6,1), (m, n)=(6,6), (m, n)=(6,7), (m, n)=(6,12), (m, n)=(6,14), (m, n)=(1,1).
Step S903: after sub-district B obtained the publicly-owned control signaling transfer resource configuration information that sub-district A sends, on these resource locations, can carry out following operation one of at least: it was the data channel zone that sub-district B can dispose corresponding position; Sub-district B can not send any information; Sub-district B can send information by lower-wattage.
By said method, it is less to reduce the interference that the control signaling that sends on these positions of sub-district A is subjected to.
Example 4
Present embodiment provides the mutual specific implementation method of a kind of minizone information, and Figure 10 is the flow chart according to the exchange method of the minizone information of the example 4 of the embodiment of the invention, and as shown in figure 10, this method comprises:
Step S1001: sub-district A determines the transfer resource position of the interference sensitivity (or be described as the interference strength height, interference ratio is great, serious interference) of one or more UE, for example, and the publicly-owned control signaling transfer resource configuration of a plurality of UE.
Above-mentioned transfer resource position can be described or other redetermination resources definition and method for expressing description with the existing resources definition of LTE/LTE-A.For example, be unit representation with RB-TTI, be unit representation with RB-Slot, be unit representation with RB-Symbol, with RE unit representation.Also can describe resource units with other mode, for example, be the resource granularity with m subcarrier and n symbol.Wherein, the value of m and n is one of following: (m, n)=(12,1), (m, n)=(12,6), (m, n)=(12,7), (m, n)=(12,12), (m, n)=(12,14), (m, n)=(24,1), (m, n)=(24,6), (m, n)=(24,7), (m, n)=(24,12), (m, n)=(24,14), (m, n)=(6,1), (m, n)=(6,6), (m, n)=(6,7), (m, n)=(6,12), (m, n)=(6,14), (m, n)=(1,1).
Step S1002: sub-district A sends the publicly-owned control signaling transfer resource configuration information of a plurality of UE to sub-district B.
The minimum particle size that transfer resource is represented can be RB-TTI, RB-Slot, RB-Symbol or RE, and sub-district A can carry out the transmission of above-mentioned information by the minizone interface of definition, for example, and X2 interface or other self-defining interface.
The information of informing the transmission of sub-district A on these transfer resource positions of sub-district B that sub-district A is direct or indirect.Wherein, the method for informing indirectly can comprise: sub-district A informs sub-district B information, and treaty rule can be so that sub-district B calculates the information that sub-district A sends on these transfer resource positions.Sub-district A inform the transmission information content of sub-district B can be following one of at least: content, modulation back information before content, coding back content, the modulation before the coding.Preferably, this transmission information can be the information after the modulation.Sub-district A informs that the transmission information of sub-district B comprises the control signaling, can also comprise pilot frequency information.Sub-district A informs that sub-district B's can comprise the situation of not sending out transmission information.Sub-district A informs that the information of sub-district B and the rule of agreement can make sub-district A send identical data with B on the RE of expectation.
Step S1003: sub-district B sends the information content identical with sub-district A after obtaining the publicly-owned control signaling transfer resource configuration information and corresponding transmission information of a plurality of UE that sub-district A sends on these resource locations.
Example 5
Sub-district A and sub-district B carry out Signalling exchange, and this Signalling exchange comprises at least:
Sub-district A at first sends the signaling that once is used to consult to dispose to sub-district B;
After sub-district B received the signaling of sub-district A, the signaling that transmission once is used to consult to dispose was to sub-district A, and the transfer resource position configuration information of the proprietary control signaling of one or more UE among the A of sub-district is determined in common negotiation.
Example 6
Sub-district A and sub-district B carry out Signalling exchange, and this Signalling exchange comprises at least:
The signaling that sub-district A transmission secondary is used to consult to dispose is to sub-district B;
The signaling that sub-district B transmission secondary is used to consult to dispose is to sub-district A, and the transfer resource position configuration information of the proprietary control signaling of one or more UE among sub-district A and the sub-district B is determined in common negotiation.
Example 7
Sub-district A and sub-district B carry out Signalling exchange, and this Signalling exchange comprises at least:
Sub-district A at first sends the signaling that once is used to consult to dispose to sub-district B;
After sub-district B received the signaling of sub-district A, the signaling that transmission once is used to consult to dispose was to sub-district A, and the transfer resource position configuration information of the publicly-owned control signaling of a plurality of UE among sub-district A and/or the B is determined in common negotiation.
Example 8
Sub-district A and sub-district B carry out Signalling exchange, and this Signalling exchange comprises at least:
The signaling that sub-district A transmission secondary is used to consult to dispose is to sub-district B;
The signaling that sub-district B transmission secondary is used to consult to dispose is to sub-district A, and the transfer resource position configuration information of the publicly-owned control signaling of sub-district A and many UE of sub-district B is determined in common negotiation.
Example 9
Present embodiment has been stipulated interference sensitivity or annoyance level/intensity, or disturbs a plurality of ranks of proportion, and for example, sensitivity height, low, the medium a plurality of grades of interference sensitivity of interference sensitivity are disturbed in definition; Definition or annoyance level height, low, the medium a plurality of grades of annoyance level of annoyance level; Proportion height, low, the medium a plurality of grades of interference proportion of interference proportion are disturbed in definition; That definition is disturbed is big to performance impact, disturb in the performance impact, disturb a plurality of grades such as performance impact are little.It will be understood by those skilled in the art that above-mentioned only is to enumerate and non exhaustive, and level of interference can be subdivided into more grade.
Sub-district A sends interference sensitivity and/or the annoyance level and/or the interference proportion of all or part of resource location and/or disturbs information such as performance impact degree to sub-district B.
Preferably, above-mentioned level of interference can be described based on each RB-TTI of basic resources unit, RB-Slot or RB-symbol.As show shown in the 1-table 3.
Table 1
Table 2
Table 3
Also can describe resource units with other mode, for example, be the resource granularity with m subcarrier and n symbol.Wherein, the value of m and n is one of following: (m, n)=(12,1), (m, n)=(12,6), (m, n)=(12,7), (m, n)=(12,12), (m, n)=(12,14), (m, n)=(24,1), (m, n)=(24,6), (m, n)=(24,7), (m, n)=(24,12), (m, n)=(24,14), (m, n)=(6,1), (m, n)=(6,6), (m, n)=(6,7), (m, n)=(6,12), (m, n)=(6,14), (m, n)=(1,1).
In last table, the numerical value that these three grades of high interference, medium interference and low interference can the apparatus scale of constructionizations is represented.At this moment, should define the physical meaning and the quantizing rule of concrete interference indication.Need to prove, DLInterference Indication is relevant with interference in order to describe it, therefore, this parameter also can adopt other to describe replacement, for example, down link high capacity indication DL Overhead Indication, dl interference influence indication DL Interference impact Indication, the responsive indication of dl interference DL Interference sensitivity Indication etc.
Example 10
The running time-frequency resource that sub-district A at first can be used for one section two dimension to transmit is with certain resource granularity division, then, some resource locations wherein are configured to the resource location of Almost Blank, again this information (for example, whether resource location is the information of Almost Blank state) are sent to sub-district B.
Wherein, whether for Almost Blank can represent with 1bit information, can be described based on each RB-TTI of basic resources unit, RB-Slot or RB-symbol.Also can describe resource units with other mode, for example, be the resource granularity with m subcarrier and n symbol.Wherein, the value of m and n is one of following: (m, n)=(12,1), (m, n)=(12,6), (m, n)=(12,7), (m, n)=(12,12), (m, n)=(12,14), (m, n)=(24,1), (m, n)=(24,6), (m, n)=(24,7), (m, n)=(24,12), (m, n)=(24,14), (m, n)=(6,1), (m, n)=(6,6), (m, n)=(6,7), (m, n)=(6,12), (m, n)=(6,14), (m, n)=(1,1).
Sub-district B receives after this information, can be when the information of transmission, and the resource location of selecting for use sub-district A to be arranged to Almost Blank sends.
Present embodiment can reduce the interference of sub-district A to sub-district B, thereby solves the problem of presence of intercell interference.
System embodiment
Corresponding to above-mentioned method embodiment, the embodiment of the invention also provides the interactive system of a kind of minizone information.This system comprises: comprising: network element under the network element and second sub-district under first sub-district, wherein, network element under first sub-district is used for determining to disturb responsive transfer resource position, wherein, disturb responsive transfer resource position to comprise: in first sub-district transfer resource position of control signaling; Network element under first sub-district, the information that also is used for disturbing responsive transfer resource position sends to network element under second sub-district.
In a preferred implementation of present embodiment, network element also is used under first sub-district network element and will disturbs the information of the position of responsive transfer resource to send under second sub-district after the network element under first sub-district, will disturb on the position of transfer resource of sensitivity information waiting for transmission to send to network element under second sub-district; Network element is used for sending above-mentioned information waiting for transmission under second sub-district on the position of disturbing responsive transfer resource.
In another preferred implementation of present embodiment, network element will disturb the position of the position of responsive transfer resource to send under second sub-district after the network element under first sub-district, and network element can be used to carry out following operation one of at least under second sub-district: it is the data channel zone that the position of responsive transfer resource is disturbed in configuration; Transmission information on the position of disturbing responsive transfer resource not; Be reduced in the locational transmitting power of disturbing responsive transfer resource.
Preferably, network element is with a frequency domain m subcarrier under first sub-district, and time domain n orthogonal frequency division multiplex OFDM symbol is the position that responsive transfer resource is disturbed in unit representation; Wherein, the value of m and n is one of following: (m, n)=(12,1), (m, n)=(12,6), (m, n)=(12,7), (m, n)=(12,12), (m, n)=(12,14), (m, n)=(24,1), (m, n)=(24,6), (m, n)=(24,7), (m, n)=(24,12), (m, n)=(24,14), (m, n)=(6,1), (m, n)=(6,6), (m, n)=(6,7), (m, n)=(6,12), (m, n)=(6,14), (m, n)=(1,1).
Preferably, disturb that responsive (the interference strength height, interference ratio is great or serious interference, interference is big to performance impact, to disturbing sensitivity) transfer resource comprise following one of at least: interference strength be higher than predetermined strength the great transfer resource of transfer resource, interference ratio in predetermined proportion, disturb the control signaling of having relatively high expectations to the bigger transfer resource of transmission performance influence, to robustness transfer resource, robustness is required the transfer resource of business datum preferably.
Wherein, the transfer resource position of control signaling can comprise following one of at least: the transmission location of the public control signaling of a plurality of UE, physical layer are mixed to retransmit and are replied signaling transfer resource position in the transmission location of the proprietary control signaling of one or more UE, first sub-district.
Corresponding to above-mentioned method embodiment, the embodiment of the invention also provides the interactive system of another kind of minizone information.This system comprises: network element under the network element and second sub-district under first sub-district, wherein, the affiliated network element in the network element and second sub-district is used for consulting to determine all or part of control signaling area configuration of first sub-district and/or second sub-district under first sub-district.
In a preferred embodiment of present embodiment, under first sub-district network element be used for by with second sub-district under network element hold consultation, know the configuration information of control signaling transmission location in second sub-district; Network element is used for by holding consultation with the network of first sub-district under second sub-district, knows the configuration information of control signaling transmission location in first sub-district.
In another preferred embodiment of present embodiment, network element is used under second sub-district network element and sends and be used to first signaling of consulting to dispose under first sub-district; Network element is used for after receiving first signaling under second sub-district, and network element sends and is used to second signaling of consulting to dispose under first sub-district, consults to determine the area configurations of the control signaling in first sub-district and/or second sub-district with network element under first sub-district.
Preferably, above-mentioned control signaling be following one of at least: the publicly-owned control signaling of the proprietary control signaling of UE, a plurality of UE, physical layer are mixed to retransmit and are replied signaling in the sub-district.
Corresponding to above-mentioned method embodiment, the embodiment of the invention also provides the interactive system of another minizone information.This system comprises: network element under the network element and second sub-district under first sub-district, wherein, network element is used for the interference sensitivity information of network element transmission transfer resource position under second sub-district under first sub-district, wherein, disturb sensitivity information to be used to indicate the grade of the interference sensitivity of transfer resource position.
Preferably, under first sub-district network element be used for determining first sub-district the transfer resource position interference strength grade or disturb sensitivity information or disturb percent information; Network element is used for also that network element sends the interference strength degree of the transfer resource position of disturbing responsive grade to be higher than predetermine level or disturbs sensitivity information or disturb percent information under second sub-district under first sub-district.
The embodiment of the invention provides the interactive system of another minizone information, comprise the affiliated network element of the network element and second sub-district under first sub-district, wherein, network element under first sub-district, being used for m subcarrier and n symbol is the running time-frequency resource position that the resource granularity is determined the low Almost Blank of one section running time-frequency resource position M usage degree; And the usage degree information of running time-frequency resource position sent to network element under second sub-district; Wherein, the value of m and n is one of following: (m, n)=(12,1), (m, n)=(12,6), (m, n)=(12,7), (m, n)=(12,12), (m, n)=(12,14), (m, n)=(24,1), (m, n)=(24,6), (m, n)=(24,7), (m, n)=(24,12), (m, n)=(24,14), (m, n)=(6,1), (m, n)=(6,6), (m, n)=(6,7), (m, n)=(6,12), (m, n)=(6,14), (m, n)=(1,1).
Preferably, network element sends to the usage degree information of running time-frequency resource position under second sub-district after the above-mentioned resource location of network element under first sub-district, network element can also be used for transmission information on the resource location that is set to Almost Blank (for example, control signaling) under second sub-district.
In sum, the embodiment of the invention provides the exchange method and the system of the medium and small block information of communication system, and these method and system can be used for controlling alternately the configuration information of signaling transmission region.Pass through the embodiment of the invention, make the sub-district can know the resource operating position of neighbor cell, thereby responsive zone can disturbed, the control signaling that will send at the low resource location of usage degree, thereby the interference that reduces neighbor cell becomes useful signal with interference signal originally, has perhaps reduced the control signaling that the affiliated network element in second sub-district sends in the position of disturbing responsive transfer resource, by the way, avoided interference, improved robustness adjacent sub-district control channel.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (19)
1. the exchange method of a minizone information is characterized in that, comprising:
Network element determines to disturb the position of responsive transfer resource under first sub-district, and wherein, the described position of responsive transfer resource of disturbing comprises: in described first sub-district transfer resource position of control signaling;
The information of the position of the transfer resource that the affiliated network element in described first sub-district is responsive with described interference sends to network element under second sub-district.
2. method according to claim 1 is characterized in that, network element sends to the described information of disturbing the position of responsive transfer resource under second sub-district after the network element under described first sub-district, and described method also comprises:
Information waiting for transmission sends to network element under described second sub-district on the position of the transfer resource that the affiliated network element in described first sub-district is responsive with described interference.
3. method according to claim 2 is characterized in that, network element sends to information waiting for transmission on the described position of disturbing responsive transfer resource under described second sub-district after the network element under described first sub-district, and described method also comprises:
Network element sends described information waiting for transmission under described second sub-district on the position of the responsive transfer resource of described interference.
4. method according to claim 1 is characterized in that, network element sends to the described information of disturbing the position of responsive transfer resource under second sub-district after the network element under described first sub-district, and described method also comprises:
The position of the transfer resource of the described interference sensitivity of network element configuration is the data channel zone under described second sub-district; And/or
The affiliated network element in described second sub-district is transmission information on the position of the responsive transfer resource of described interference not; Or
Network element is reduced in the described locational transmitting power of disturbing responsive transfer resource under described second sub-district.
5. according to each described method in the claim 1 to 4, it is characterized in that network element is with a frequency domain m subcarrier under described first sub-district, time domain n orthogonal frequency division multiplex OFDM symbol is the described position of disturbing responsive transfer resource of unit representation; Wherein, the value of described m and described n is one of following:
(m，n)＝(12，1)，(m，n)＝(12，6)，(m，n)＝(12，7)，(m，n)＝(12，12)，(m，n)＝(12，14)，(m，n)＝(24，1)，(m，n)＝(24，6)，(m，n)＝(24，7)，(m，n)＝(24，12)，(m，n)＝(24，14)，(m，n)＝(6，1)，(m，n)＝(6，6)，(m，n)＝(6，7)，(m，n)＝(6，12)，(m，n)＝(6，14)，(m，n)＝(1，1)。
6. according to each described method in the claim 1 to 4, it is characterized in that, described disturb responsive transfer resource comprise following one of at least: interference strength be higher than predetermined strength the great transfer resource of transfer resource, interference ratio in predetermined proportion, disturb the control signaling of having relatively high expectations to the bigger transfer resource of transmission performance influence, to robustness transfer resource, robustness is required the transfer resource of business datum preferably.
7. according to each described method in the claim 1 to 4, it is characterized in that, the transfer resource position of described control signaling comprise following one of at least: the transmission location of the public control signaling of a plurality of UE, physical layer are mixed to retransmit and are replied signaling transfer resource position in the transmission location of the proprietary control signaling of one or more user equipment (UE)s, described first sub-district.
8. the exchange method of a minizone information is characterized in that, comprising:
The affiliated network element in the network element and second sub-district consults to determine the area configurations of all or part of control signaling in described first sub-district and/or described second sub-district under first sub-district.
9. method according to claim 8 is characterized in that, the affiliated network element in the network element and second sub-district consults to determine that the area configurations of all or part of control signaling in described first sub-district and/or described second sub-district comprises under described first sub-district:
Under described first sub-district network element by with described second sub-district under network element hold consultation, know the configuration information of control signaling transmission location in described second sub-district;
Network element is known the configuration information of control signaling transmission location in described first sub-district by holding consultation with the network of described first sub-district under described second sub-district.
10. method according to claim 8 is characterized in that, the affiliated network element in the network element and second sub-district consults to determine that the area configurations of all or part of control signaling in described first sub-district and/or described second sub-district comprises under described first sub-district:
Network element network element under described second sub-district sends and is used to first signaling of consulting to dispose under described first sub-district;
Network element is after receiving described first signaling under described second sub-district, network element sends and to be used to second signaling of consulting to dispose under described first sub-district, consults to determine the area configurations of the control signaling in described first sub-district and/or described second sub-district with network element under described first sub-district.
11. each described method in 10 is characterized in that according to Claim 8, described control signaling be following one of at least: the publicly-owned control signaling of the proprietary control signaling of user equipment (UE), a plurality of UE, physical layer are mixed to retransmit and are replied signaling in the sub-district.
12. the exchange method of a minizone information is characterized in that, comprising:
Network element network element under second sub-district sends the interfere information of transfer resource position under first sub-district, and wherein, described interfere information is used to indicate the grade of the interference of described transfer resource position.
13. method according to claim 12 is characterized in that, the interfere information of network element network element transmission transfer resource position under second sub-district comprises under described first sub-district:
Network element is determined grade or the interference sensitivity information or the interference percent information of the interference strength of the transfer resource position in described first sub-district under described first sub-district;
Network element network element under described second sub-district sends the interference strength degree of described transfer resource position or disturbs sensitivity information or the interference percent information under described first sub-district.
14. the exchange method of a minizone information is characterized in that, comprising:
Network element is the running time-frequency resource position that the resource granularity is determined the low Almost Blank of usage degree among one section running time-frequency resource position M with m subcarrier and n symbol under first sub-district; And the usage degree information of running time-frequency resource position sent to network element under second sub-district;
Wherein, the value of described m and described n is one of following: (m, n)=(12,1), (m, n)=(12,6), (m, n)=(12,7), (m, n)=(12,12), (m, n)=(12,14), (m, n)=(24,1), (m, n)=(24,6), (m, n)=(24,7), (m, n)=(24,12), (m, n)=(24,14), (m, n)=(6,1), (m, n)=(6,6), (m, n)=(6,7), (m, n)=(6,12), (m, n)=(6,14), (m, n)=(1,1).
15. method according to claim 14 is characterized in that, network element sends to the usage degree information of running time-frequency resource position under second sub-district after the network element under described first sub-district, and described method also comprises:
Network element sends control signaling on the resource location that is set to Almost Blank under described second sub-district.
16. the interactive system of a minizone information is characterized in that, comprising: network element under the network element and second sub-district under first sub-district, wherein,
Network element under described first sub-district is used for determining to disturb responsive transfer resource position, and wherein, the responsive transfer resource position of described interference comprises: in described first sub-district transfer resource position of control signaling;
Network element under described first sub-district, the information that also is used for the transfer resource position that described interference is responsive sends to network element under described second sub-district.
17. the interactive system of a minizone information is characterized in that, comprising: network element under the network element and second sub-district under first sub-district, wherein,
The affiliated network element in network element and described second sub-district is used for consulting to determine all or part of control signaling area configuration of described first sub-district and/or described second sub-district under described first sub-district.
18. the interactive system of a minizone information is characterized in that, comprising: network element under the network element and second sub-district under first sub-district, wherein,
Network element is used for the interference sensitivity information that under described second sub-district network element sends the transfer resource position under described first sub-district, and wherein, described interference sensitivity information is used to indicate the grade of the interference sensitivity of described transfer resource position.
19. the interactive system of a minizone information is characterized in that, comprising: network element under the network element and second sub-district under first sub-district, wherein,
Network element under described first sub-district, being used for m subcarrier and n symbol is the running time-frequency resource position that the resource granularity is determined the low Almost Blank of one section running time-frequency resource position M usage degree; And the usage degree information of running time-frequency resource position sent to network element under second sub-district;
Wherein, the value of described m and described n is one of following: (m, n)=(12,1), (m, n)=(12,6), (m, n)=(12,7), (m, n)=(12,12), (m, n)=(12,14), (m, n)=(24,1), (m, n)=(24,6), (m, n)=(24,7), (m, n)=(24,12), (m, n)=(24,14), (m, n)=(6,1), (m, n)=(6,6), (m, n)=(6,7), (m, n)=(6,12), (m, n)=(6,14), (m, n)=(1,1).
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| CN2011101127449A CN102186155A (en) | 2011-05-03 | 2011-05-03 | Interactive method and system for intercell information |
| PCT/CN2011/084948 WO2012149825A1 (en) | 2011-05-03 | 2011-12-29 | Method and system for information interaction between cells |
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| CN2011101127449A CN102186155A (en) | 2011-05-03 | 2011-05-03 | Interactive method and system for intercell information |
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Application publication date: 20110914 |