CN102468922B - Public reference signal is mourned in silence the collocation method of signaling and system - Google Patents

Public reference signal is mourned in silence the collocation method of signaling and system Download PDF

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CN102468922B
CN102468922B CN201010534635.1A CN201010534635A CN102468922B CN 102468922 B CN102468922 B CN 102468922B CN 201010534635 A CN201010534635 A CN 201010534635A CN 102468922 B CN102468922 B CN 102468922B
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receiving node
positional information
community
crsmuting
index
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CN102468922A (en
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郭森宝
孙云锋
李儒岳
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ZTE Corp
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ZTE Corp
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Abstract

The invention discloses a kind of public reference signal to mourn in silence the collocation method of signaling and system, wherein, the method comprises: the positional information of the resource element RE of mourned in silence Muting is sent to receiving node by high-level signaling by network side; Above-mentioned receiving node uses above-mentioned positional information to carry out demapping and demodulation to the effective RE distributed.The invention solves the problem that receiving node cannot carry out rate-matched, reach the effect reducing hydraulic performance decline.

Description

Public reference signal is mourned in silence the collocation method of signaling and system
Technical field
The present invention relates to Long Term Evolution AS (Longtermevolutionadvancedsystem, be called for short LTE-Advanced) field, specifically, relate to collocation method and the system of a kind of CRS (CommonReferenceSignal, public reference signal) Muting (mourning in silence) signaling.
Background technology
In LTE, in order to measure the quality of channel and carry out demodulation to the data symbol received, devise CRS.Receiving node can carry out the measurement of channel by CRS, thus determines that receiving node carries out cell reselection and is switched to Target cell, and carries out the measurement of channel quality under receiving node connection status.When disturbing rank higher, physical layer can be disconnected by high-rise relevant wireless link connection failure signaling.In heterogeneous network, if a HeNB (Home network side, Home eNodeB) community is positioned at a MeNB (Macro network side, macro base station) scope within, if at this moment the receiving node of MacroeNB is positioned within HeNB scope, HeNB may cause strong jamming to MacroeNB receiving node (hereinafter referred to as M receiving node), and M receiving node at this moment can be caused by measuring the CRS of MeNB, judges that link-quality is very poor thus the problem that cannot access.
In order to address this problem, PDSCH (the PhysicalDownlinkSharedChannel of HeNB, Physical Downlink Shared Channel) corresponding to the RE (ResourceElement of the CRS position of MeNB, resource element) should by Muting (mourning in silence), namely data are not sent at the PDSCH of HeNB corresponding to the RE of the CRS position of MeNB, so just greatly can reduce the interference of HeNB to M receiving node link quality measurements, reduce the probability of M receiving node RLF (RadioLinkFailure, radio link failure).And under Macro-Pico scene, the resource s of the CRS position of corresponding Macro community, Muting (mourning in silence) this community, can ensure that the PDSCH of Pico is not by the interference of MacroCRS like this.Because Muting (has mourned in silence) RE on HeNBPDSCH, certain impact will certainly be subject on the throughput of HeNB receiving node (H receiving node) like this.In order to make this impact minimize, the mode of rate-matched can be adopted to carry out Muting.
But inventor finds: in the prior art, terminal cannot know the information of the RE of required Muting, thus cannot carry out rate-matched, to reduce the decline of performance.
Summary of the invention
The collocation method that main purpose of the present invention is to provide a kind of public reference signal to mourn in silence signaling and system, at least to solve the problem.
According to an aspect of the present invention, provide a kind of public reference signal and to mourn in silence the collocation method of signaling, it comprises: the positional information of the resource element RE of mourned in silence Muting is sent to receiving node by high-level signaling by network side; Wherein, described positional information comprises one of following information:
The community ID of described RE and the number of antennas index of community, the adjacent cell list index of described RE, the adjacent cell list index of described RE and the number of antennas index of community, the bitmap bitmap index sequence of the adjacent cell list of described RE, the bitmap bitmap index sequence of adjacent cell list of described RE and the number of antennas index of the community of described RE or bitmap index sequence, wherein, the orthogonal frequency division multiplex OFDM symbol that the bit in described bitmap index sequence is used to indicate cell common reference signal CRS place needs the described RE of Muting;
Above-mentioned receiving node uses above-mentioned positional information to carry out demapping and demodulation to the effective RE distributed.
Further, the positional information of the RE of institute Muting sends to the step of receiving node to comprise by high-level signaling by above-mentioned network side: above-mentioned network side arranges above-mentioned high-level signaling in system information block SIB; Above-mentioned SIB is sent to above-mentioned receiving node by above-mentioned network side.
Further, the positional information of the RE of institute Muting sends to the step of receiving node to comprise by high-level signaling by above-mentioned network side: above-mentioned network side arranges above-mentioned high-level signaling in radio resource control RRC message; Above-mentioned RRC information is only sent to the receiving node that can identify above-mentioned high-level signaling by above-mentioned network side.
Further, above-mentioned positional information comprises the community ID of above-mentioned RE and the number of antennas index of above-mentioned community, and above-mentioned receiving node uses above-mentioned positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: above-mentioned receiving node obtains above-mentioned community ID and above-mentioned number of antennas index from above-mentioned high-level signaling; Above-mentioned receiving node goes out the positional information of cell common reference signal CRS port 0 to 3 by above-mentioned community ID and above-mentioned number of antennas index calculation; Above-mentioned receiving node uses the positional information of above-mentioned community CRS port 0 to 3 to carry out demapping and demodulation to the above-mentioned effective RE distributed.
Further, above-mentioned positional information comprises the adjacent cell list index of above-mentioned RE, and above-mentioned receiving node uses above-mentioned positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: above-mentioned receiving node obtains above-mentioned adjacent cell list index from above-mentioned high-level signaling; Above-mentioned receiving node obtains the community ID of the above-mentioned RE corresponding with above-mentioned adjacent cell list index in adjacent cell list; Above-mentioned receiving node calculates the positional information of cell common reference signal CRS port 0 by above-mentioned community ID; Above-mentioned receiving node uses the positional information of above-mentioned community CRS port 0 to carry out demapping and demodulation to the above-mentioned effective RE distributed.
Further, above-mentioned positional information comprises the adjacent cell list index of above-mentioned RE and the number of antennas index of above-mentioned community, and above-mentioned receiving node uses above-mentioned positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: above-mentioned receiving node obtains above-mentioned adjacent cell list index from above-mentioned high-level signaling; Above-mentioned receiving node obtains the community ID of the above-mentioned RE corresponding with above-mentioned adjacent cell list index in adjacent cell list; Above-mentioned receiving node goes out the positional information of cell common reference signal CRS port 0 to 3 by above-mentioned community ID and above-mentioned number of antennas index calculation; Above-mentioned receiving node uses the positional information of above-mentioned community CRS port 0 to 3 to carry out demapping and demodulation to the above-mentioned effective RE distributed.
Further, above-mentioned positional information comprises the bitmap bitmap index sequence of the adjacent cell list of above-mentioned RE, and above-mentioned receiving node uses above-mentioned positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: above-mentioned receiving node obtains above-mentioned bitmap index sequence from above-mentioned high-level signaling; Above-mentioned receiving node obtains the community ID of the above-mentioned RE corresponding with above-mentioned bitmap index sequence in above-mentioned adjacent cell list; Above-mentioned receiving node calculates the positional information of cell common reference signal CRS port 0 by above-mentioned community ID; Above-mentioned receiving node uses the positional information of above-mentioned community CRS port 0 to carry out demapping and demodulation to the above-mentioned effective RE distributed.
Further, above-mentioned positional information comprises the number of antennas index of the bitmap bitmap index sequence of the adjacent cell list of above-mentioned RE and the community of above-mentioned RE, above-mentioned receiving node uses above-mentioned positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: above-mentioned receiving node obtains above-mentioned bitmap index sequence and above-mentioned number of antennas index from above-mentioned high-level signaling, wherein, the corresponding above-mentioned number of antennas index of each bit in above-mentioned bitmap index sequence; Above-mentioned receiving node obtains the community ID of the above-mentioned RE corresponding with above-mentioned bitmap index sequence in above-mentioned adjacent cell list; Above-mentioned receiving node goes out the positional information of cell common reference signal CRS port 0 by above-mentioned community ID and above-mentioned number of antennas index calculation; Above-mentioned receiving node uses the positional information of above-mentioned community CRS port 0 to carry out demapping and demodulation to the above-mentioned effective RE distributed.
Further, above-mentioned positional information comprises the number of antennas index of the bitmap bitmap index sequence of the adjacent cell list of above-mentioned RE and the community of above-mentioned RE, above-mentioned receiving node uses above-mentioned positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: above-mentioned receiving node obtains above-mentioned bitmap index sequence and above-mentioned number of antennas index from above-mentioned high-level signaling, wherein, the corresponding above-mentioned number of antennas index of above-mentioned bitmap index sequence; Above-mentioned receiving node obtains the community ID of the above-mentioned RE corresponding with above-mentioned bitmap index sequence in above-mentioned adjacent cell list; Above-mentioned receiving node goes out the positional information of cell common reference signal CRS port 0 by above-mentioned community ID and above-mentioned number of antennas index calculation; Above-mentioned receiving node uses the positional information of above-mentioned community CRS port 0 to carry out demapping and demodulation to the above-mentioned effective RE distributed.
Further, above-mentioned positional information comprises bitmap index sequence, above-mentioned receiving node uses above-mentioned positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: above-mentioned receiving node obtains above-mentioned bitmap index sequence from above-mentioned high-level signaling, wherein, bit in above-mentioned bitmap index sequence is used to indicate the OFDM (OrthogonalFrequencyDivisionMultiplexing at cell common reference signal CRS place, OFDM) symbol needs the above-mentioned RE of Muting, above-mentioned bitmap index sequence corresponds to the numbering of RE in above-mentioned OFDM symbol, the number of the RE that a members in above-mentioned OFDM symbol in bitmap index sequence is corresponding is more than or equal to 2, above-mentioned receiving node carries out demapping and demodulation according to above-mentioned bitmap index sequence to the above-mentioned effective RE distributed.
Further, above-mentioned positional information comprises bitmap index sequence, above-mentioned receiving node uses above-mentioned positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: above-mentioned receiving node obtains above-mentioned bitmap index sequence from above-mentioned high-level signaling, wherein, the OFDM symbol that bit in above-mentioned bitmap index sequence is used to indicate cell common reference signal CRS place needs the above-mentioned RE of Muting, above-mentioned two kinds of bitmap index sequence correspond to two kinds of above-mentioned OFDM symbol, the number of the RE that a members in above-mentioned OFDM symbol in bitmap index sequence is corresponding is more than or equal to 2, above-mentioned receiving node carries out demapping and demodulation according to above-mentioned bitmap index sequence to the above-mentioned effective RE distributed.
Further, a kind of OFDM symbol in above-mentioned two kinds of OFDM symbol comprises: OFDM symbol 0,4,7,11; Another kind of OFDM symbol in above-mentioned two kinds of OFDM symbol comprises: OFDM symbol 1,8.
Further, the RE of above-mentioned bitmap index sequence in Muting many above-mentioned OFDM symbol.
Further, only to comprise in above-mentioned high-level signaling in a subframe want the positional information of the RE of Muting, wherein, above-mentioned network side carries out Muting to above-mentioned RE in each subframe.
Further, to comprise in above-mentioned high-level signaling in a subframe want the positional information of the RE of Muting, CRSMuting cycle and sub-frame offset information.
Further, above-mentioned CRSMuting cycle and CRSMuting sub-frame offset information is sent by following steps: to be mourned in silence by public reference signal parameter I by high-level signaling cRSMUTINGsend to above-mentioned receiving node, wherein, I cRSMUTINGwith above-mentioned CRSMuting cycle T cRSMUTINGwith above-mentioned CRSMuting sub-frame offset information △ cRSMUTINGcorresponding relation as follows:
As 0≤I cRSMUTING≤ T 1when-1, T cRSMUTING=T 1, △ cRSMUTING=I cRSMUTING;
Work as T 1≤ I cRSMUTING≤ T 1+ T 2when-1, T cRSMUTING=T 2, △ cRSMUTING=I cRSMUTING-T 1;
Work as T 1+ T 2≤ I cRSMUTING≤ T 1+ T 2+ T 3when-1, T cRSMUTING=T 3, △ cRSMUTING=I cRSMUTING-T 1-T 2;
Work as T 1+ T 2+ T i≤ I cRSMUTING≤ T 1+ T 2+ T i+ T i+1-1, wherein, during i>=3, T cRSMUTING=T i+1, △ cRSMUTING=I cRSMUTING-T 1-T 2-...-T i; Wherein, above-mentioned T 1, T 2... T ifor the periodic quantity preset.
Further, above-mentioned receiving node uses above-mentioned positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: when subframe meets relation time, above-mentioned subframe is carried out CRS Muting operation, wherein, n frepresent radio frames index; n srepresent the time slot index of radio frames.
Further, the if desired RE at the above-mentioned positional information place that Muting Duo Ge community CRS is corresponding, then above-mentioned community ID is equal with the number of cells of institute Muting.
Further, the if desired RE at the above-mentioned positional information place that Muting Duo Ge community CRS is corresponding, then the number of above-mentioned community ID or number of antennas index is equal with the number of cells of institute Muting.
Further, above-mentioned effective RE refers to the RE in all RE distributing to above-mentioned receiving node except the RE corresponding with above-mentioned positional information.
According to a further aspect in the invention, provide a kind of public reference signal to mourn in silence the configuration-system of signaling, it comprises: network side and receiving node, and wherein, the positional information of the resource element RE of mourned in silence Muting is sent to above-mentioned receiving node by high-level signaling by above-mentioned network side; Wherein, described positional information comprises one of following information:
The community ID of described RE and the number of antennas index of community, the adjacent cell list index of described RE, the adjacent cell list index of described RE and the number of antennas index of community, the bitmap bitmap index sequence of the adjacent cell list of described RE, the bitmap bitmap index sequence of adjacent cell list of described RE and the number of antennas index of the community of described RE or bitmap index sequence, wherein, the orthogonal frequency division multiplex OFDM symbol that the bit in described bitmap index sequence is used to indicate cell common reference signal CRS place needs the described RE of Muting;
Above-mentioned receiving node uses above-mentioned positional information to carry out demapping and demodulation to the effective RE distributed.
Further, above-mentioned receiving node comprises: second acquisition unit, for obtaining community ID and the number of antennas index of above-mentioned RE from above-mentioned high-level signaling; Second computing unit, for going out the positional information of cell common reference signal CRS port 0 to 3 by above-mentioned community ID and above-mentioned number of antennas index calculation; First demapping demodulating unit, carries out demapping and demodulation for using the positional information of above-mentioned community CRS port 0 to 3 to the above-mentioned effective RE distributed.
In the present invention, the position of the RE of wanted Muting is sent to terminal receiving node by base station, so that receiving node utilizes this positional information to carry out rate-matched, thus solve the problem that receiving node cannot carry out rate-matched, and then reach the effect reducing hydraulic performance decline.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the preferred flow chart of one of collocation method of signaling of mourning in silence according to the public reference signal of the embodiment of the present invention;
Fig. 2 is the preferred schematic diagram of one according to RE corresponding to the bitmap index sequence of the embodiment of the present invention;
Fig. 3 is the preferred schematic diagram of another kind according to RE corresponding to the bitmap index sequence of the embodiment of the present invention;
Fig. 4 is another the preferred schematic diagram according to RE corresponding to the bitmap index sequence of the embodiment of the present invention;
Fig. 5 is the preferred structural representation of one of configuration-system of signaling of mourning in silence according to the public reference signal of the embodiment of the present invention.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Embodiment 1
Fig. 1 is the preferred flow chart of one of collocation method of signaling of mourning in silence according to the public reference signal of the embodiment of the present invention, and it comprises the steps:
S102, the positional information of the resource element RE of mourned in silence Muting is sent to receiving node by high-level signaling by network side;
S104, described receiving node uses described positional information to carry out demapping and demodulation to the effective RE distributed.
In this preferred embodiment, the positional information of the RE of wanted Muting is sent to receiving node by network side (or claiming network equipment), so that receiving node utilizes this positional information to carry out rate-matched, thus solve the problem that receiving node cannot carry out demapping based on rate-matched and demodulation, and then reach the effect reducing hydraulic performance decline.
Preferably, described effective RE refers to the RE in all RE distributing to described receiving node except the RE corresponding with described positional information.In such a scenario, described receiving node uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: receiving node is when the RE that demapping and demodulation are distributed, if during the RE that demapping and demodulation the distribute RE that to be described positional information corresponding, then skip this RE, continue demapping and the demodulation of next RE.Preferably, described network side does not send data on the RE that described positional information is corresponding.
Preferably, the positional information of the RE of institute Muting sends to the step of receiving node to comprise by high-level signaling by described network side: described network side arranges described high-level signaling in system information block SIB; Described SIB is sent to described receiving node by described network side.
Preferably, the positional information of the RE of institute Muting sends to the step of receiving node to comprise by high-level signaling by described network side: described network side arranges described high-level signaling in radio resource control RRC message; Described RRC information is only sent to the receiving node that can identify this high-level signaling signaling by described network side.
Preferably, described positional information comprises the community ID of described RE, and described receiving node uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: described receiving node obtains described community ID from described high-level signaling; Described receiving node calculates the positional information of cell common reference signal CRS port 0 by described community ID; Described receiving node uses the positional information of described community CRS port 0 to carry out demapping and demodulation to the effective RE distributed.
Preferably, described positional information comprises the community ID of described RE and the number of antennas index of described community, and described receiving node uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: described receiving node obtains described community ID and described number of antennas index from described high-level signaling; Described receiving node goes out the positional information of cell common reference signal CRS port 0 to 3 by described community ID and described number of antennas index calculation; Described receiving node uses the positional information of described community CRS port 0 to 3 to carry out demapping and demodulation to the described effective RE distributed.
Preferably, described positional information comprises the adjacent cell list index of described RE, and described receiving node uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: described receiving node obtains described adjacent cell list index from described high-level signaling; Described receiving node obtains the community ID of the described RE corresponding with described adjacent cell list index in adjacent cell list; Described receiving node calculates the positional information of cell common reference signal CRS port 0 by described community ID; Described receiving node uses the positional information of described community CRS port 0 to carry out demapping and demodulation to the described effective RE distributed.
Preferably, described positional information comprises the adjacent cell list index of described RE and the number of antennas index of described community, and described receiving node uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: described receiving node obtains described adjacent cell list index from described high-level signaling; Described receiving node obtains the community ID of the described RE corresponding with described adjacent cell list index in adjacent cell list; Described receiving node goes out the positional information of cell common reference signal CRS port 0 to 3 by described community ID and described number of antennas index calculation; Described receiving node uses the positional information of described community CRS port 0 to 3 to carry out demapping and demodulation to the described effective RE distributed.
Preferably, described positional information comprises the bitmap bitmap index sequence of the adjacent cell list of described RE, and described receiving node uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: described receiving node obtains described bitmap index sequence from described high-level signaling; Described receiving node obtains the community ID of the described RE corresponding with described bitmap index sequence in described adjacent cell list; Described receiving node calculates the positional information of cell common reference signal CRS port 0 by described community ID; Described receiving node uses the positional information of described community CRS port 0 to carry out demapping and demodulation to the described effective RE distributed.
Preferably, described positional information comprises the number of antennas index of the bitmap bitmap index sequence of the adjacent cell list of described RE and the community of described RE, described receiving node uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: described receiving node obtains described bitmap index sequence and described number of antennas index from described high-level signaling, wherein, the corresponding described number of antennas index of each bit in described bitmap index sequence; Described receiving node obtains the community ID of the described RE corresponding with described bitmap index sequence in described adjacent cell list; Described receiving node goes out the positional information of cell common reference signal CRS port 0 by described community ID and described number of antennas index calculation; Described receiving node uses the positional information of described community CRS port 0 to carry out demapping and demodulation to the described effective RE distributed.
Preferably, described positional information comprises the number of antennas index of the bitmap bitmap index sequence of the adjacent cell list of described RE and the community of described RE, described receiving node uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: described receiving node obtains described bitmap index sequence and described number of antennas index from described high-level signaling, wherein, the corresponding described number of antennas index of described bitmap index sequence; Described receiving node obtains the community ID of the described RE corresponding with described bitmap index sequence in described adjacent cell list; Described receiving node goes out the positional information of cell common reference signal CRS port 0 by described community ID and described number of antennas index calculation; Described receiving node uses the positional information of described community CRS port 0 to carry out demapping and demodulation to the described effective RE distributed.
Preferably, described positional information comprises bitmap index sequence, described receiving node uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: described receiving node obtains described bitmap index sequence from described high-level signaling, wherein, the OFDM symbol that bit in described bitmap index sequence is used to indicate cell common reference signal CRS place needs the described RE of Muting, described bitmap index sequence corresponds to the numbering of RE in described OFDM symbol, the number of the RE that a members in described OFDM symbol in bitmap index sequence is corresponding is more than or equal to 2, described receiving node carries out demapping and demodulation according to described bitmap index sequence to the described effective RE distributed.
Preferably, described positional information comprises bitmap index sequence, described receiving node uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: described receiving node obtains described bitmap index sequence from described high-level signaling, wherein, the OFDM symbol that bit in described bitmap index sequence is used to indicate cell common reference signal CRS place needs the described RE of Muting, described two kinds of bitmap index sequence correspond to two kinds of described OFDM symbol, the number of the RE that a members in described OFDM symbol in bitmap index sequence is corresponding is more than or equal to 2, described receiving node carries out demapping and demodulation according to described bitmap index sequence to the described effective RE distributed.
Preferably, a kind of OFDM symbol in described two kinds of OFDM symbol comprises: OFDM symbol 0,4,7,11; Another kind of OFDM symbol in described two kinds of OFDM symbol comprises: OFDM symbol 1,8.
Preferably, the RE of described bitmap index sequence in Muting many described OFDM symbol.
Preferably, only to comprise in described high-level signaling in a subframe want the positional information of the RE of Muting, wherein, described network side carries out Muting to described RE in each subframe.
Preferably, to comprise in described high-level signaling in a subframe want the positional information of the RE of Muting, CRSMuting cycle and sub-frame offset information.
Preferably, described CRSMuting cycle and CRSMuting sub-frame offset information is sent by following steps: to be mourned in silence by public reference signal parameter I by high-level signaling cRSMUTINGsend to described receiving node, wherein, I cRSMUTINGwith described CRSMuting cycle T cRSMUTINGwith described CRSMuting sub-frame offset information △ cRSMUTINGcorresponding relation as shown in table 1:
Table 1CRSMuting cycle and sub-frame offset configuration
That is, as 0≤I cRSMUTING≤ T 1when-1, T cRSMUTING=T 1, △ cRSMUTING=I cRSMUTING;
Work as T 1≤ I cRSMUTING≤ T 1+ T 2when-1, T cRSMUTING=T 2, △ cRSMUTING=I cRSMUTING-T 1;
Work as T 1+ T 2≤ I cRSMUTING≤ T 1+ T 2+ T 3when-1, T cRSMUTING=T 3, △ cRSMUTING=I cRSMUTING-T 1-T 2
Work as T 1+ T 2+ T i≤ I cRSMUTING≤ T 1+ T 2+ T i+ T i+1-1, wherein, during i>=3, T cRSMUTING=T i+1, △ cRSMUTING=I cRSMUTING-T 1-T 2-...-T i;
Wherein, described T 1, T 2... T ifor the periodic quantity preset.
Preferably, described receiving node uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: when subframe meets relation time, described subframe is carried out CRS Muting operation, wherein, n frepresent radio frames index; n srepresent the time slot index of radio frames.
Preferably, the if desired RE at the described positional information place that Muting Duo Ge community CRS is corresponding, then described community ID is equal with the number of cells of institute Muting.
Preferably, the if desired RE at the described positional information place that Muting Duo Ge community CRS is corresponding, then the number of described community ID or number of antennas index is equal with the number of cells of institute Muting.
Preferably, described network side comprise following one of at least: the network nodes such as MacroeNodeB, Pico, Relay, HomeeNodeB.
Preferably, described receiving node comprise following one of at least: mobile terminal, user's handheld device, relay station, the network nodes such as Pico.
Embodiment 2
Network side sends CRSMuting configuration signal in SIBx or RRC information, receiving node receives the CRSMuting configuration signal in SIBx or RRC information in corresponding subframe, and through a series of process of physical layer, the signaling information after decoding is transferred to high level.If only comprise the IDs of MutingCRS community in this high-level signaling, so receiving node can obtain the IDs of the community of MutingCRSRE after this signaling of correct demodulation, receiving node just can extrapolate the position of these communities CRS port 0 by community IDs, thus can utilize the method demapping of rate-matched and demodulate the data in the resource of distribution.
In this preferred embodiment, UE can extrapolate the position L of the CRS port 0 of respective cell ID after obtaining community ID by following steps 0:
L 0＝CellIDmod6
Fig. 2 shows the position L of the CRS port 0 in OFDM symbol 0 and 7 0, wherein L 0=0,1,2,3,4,5.Span due to a community ID is 0 ~ 504, and shared bit number is 9 bits, so this signaling consumption is N*9 bit, wherein N is the number of MutingCRSRE community, and wherein the value recommendation of N is 1 ~ 3.In this preferred embodiment, signaling consumption can be saved by said method.
In figures 2,3, and 4, each pattern represents following implication respectively:
represent public reference signal resource element (CRSRE);
the distribution (the CRS position corresponding in macrocell) of the resource element (RE) that expression can be mourned in silence;
represent DMRS (DemodulationResourceReferenceSignal, demodulation resource reference signal) RE;
represent CSI-RS (ChannelStatusInformationReferenceSignal, channel state information reference signals) RE;
represent PDSCH (PhysicalDownlinkSharedChannel, Physical Downlink Shared Channel) RE.
Embodiment 3
Network side sends CRSMuting configuration signal in SIBx or RRC information, receiving node receives the CRSMuting configuration signal in SIBx or RRC information in corresponding subframe, and through a series of process of physical layer, the signaling information after decoding is transferred to high level.If only comprise the IDs of MutingCRS community and the number of antennas configuration information of each community in this high-level signaling, so receiving node can obtain the IDs of the community of MutingCRSRE after this signaling of correct demodulation, receiving node just can extrapolate these communities CRS port x (x=0 by the number of antennas configuration information of community IDs and respective cell, 1,2,3) position.
In this preferred embodiment, UE can extrapolate the position L of the CRS port 0 of respective cell ID after obtaining community ID by following steps 0:
L 0＝CellIDmod6
Fig. 2 shows the position L of the CRS port 0 of OFDM symbol 0 and 7 0, wherein L 0=0,1,2,3,4,5.
When antenna port is 0 configuration, only need the position knowing port 0, when antenna port is 1 configuration, also need the position knowing port one, wherein for the position of the port one with the same community of port 0, can be obtained by following steps:
L 1＝(CellID+3)mod6
For the position L of CRS port 2 2, L 2=CellIDmod6.
For the position L of CRS port 3 3, L 3=(CellID+3) mod6.
The method demapping of rate-matched can be utilized by above-mentioned steps and demodulate the data in the resource of distribution.Because a community ID span is 0 ~ 504, shared bit number is 9 bits, and the expense of antenna port number index is 1 or 2 bits, and when antenna port number index is 1 bit, the span of antenna port index is: and 0,1}, as shown in table 2.
The corresponding port RE position, Muting community of table 2 antenna port index
Antenna port index The antenna port RE position of Muting CRS RE community
0 Antenna port 0 RE of Muting community
1 Antenna port 0,1 RE of Muting community
When antenna port number index is 2 bit, the span of antenna port index is: and 0,1,2,3}, as shown in table 3.
The corresponding port RE position, Muting community of table 3 antenna port index
Antenna port index The antenna port RE position of Muting CRS RE community
0 Antenna port 0 RE of Muting community
1 Antenna port 0,1 RE of Muting community
2 Antenna port 0,1,2,3 RE of Muting community
3 Reserved
So this signaling consumption is N*10 or N*11 bit, wherein N is the number of MutingCRSRE community.In this preferred embodiment, by said method, while suitably increasing signaling consumption, further reduce interference.
Embodiment 4
Network side sends CRSMuting configuration signal in SIBx or RRC information, receiving node receives the CRSMuting configuration signal in SIBx or RRC information in corresponding subframe, and through a series of process of physical layer, the signaling information after decoding is transferred to high level.If only comprise the IDs of MutingCRS community and the number of antennas configuration information of each community in this high-level signaling, so receiving node can obtain the community of MutingCRSRE in the position of adjacent cell list kind after this signaling of correct demodulation, because it is as shown in table 3 all to store identical adjacent cell list at network side and receiving node end, as long as network side is by the community index in lists of Muting corresponding CRS position RE in high-level signaling notice receiving node adjacent cell list like this.Receiving node contrasts the ID (as shown in table 4) that adjacent cell list just can obtain this community after obtaining the index of MutingCRSRE community, receiving node just can extrapolate the position of this community CRS port 0 by community ID, thus can utilize the method demapping of rate-matched and demodulate the data in the resource of distribution.The length of general adjacent cell list is 16, so each community only needs the expense of 4 bits, the expense of this signaling is: N*4 bit.This preferred embodiment is relative to embodiment 2, and 3 make use of existing high-level signaling, further reduce signaling consumption.
Table 4 adjacent cell list index and the CellID corresponding to it
1 2 3 4 ··· 13 14 15 16
ID1 ID2 ID3 ID4 ··· ID13 ID14 ID15 ID16
Embodiment 5
Network side sends CRSMuting configuration signal in SIBx or RRC information, receiving node receives the CRSMuting configuration signal in SIBx or RRC information in corresponding subframe, and through a series of process of physical layer, the signaling information after decoding is transferred to high level.Receiving node contrasts the ID that adjacent cell list just can obtain this community after obtaining the index of MutingCRSRE community, receiving node just can extrapolate this community CRS port x (x=0 by community ID and antenna in cell number index, 1,2,3) position, thus the method demapping of rate-matched can be utilized and demodulate the data on PDSCH (PhysicalDownlinkSharedChannel, the Physical Downlink Shared Channel) RE of distribution.The length of general adjacent cell list is 16, so each community only needs the expense of 4 bits, the expense of this signaling is: N*5 or N*6 bit.This preferred embodiment adds signaling consumption on a small quantity relative to embodiment 4, reduces interference further.
Embodiment 6
Network side sends CRSMuting configuration signal in SIBx or RRC information, receiving node receives the CRSMuting configuration signal in SIBx or RRC information in corresponding subframe, and through a series of process of physical layer, the signaling information after decoding is transferred to high level.This high-level signaling can be adjacent cell list bitmap index.Receiving node contrasts the ID that adjacent cell list just can obtain this community after obtaining the bitmap index sequence of MutingCRSRE community, receiving node just can extrapolate the position of this community CRS port 0 by community ID, thus can utilize the method demapping of rate-matched and demodulate the data in the resource of distribution.This bitmap index sequence is made up of 0 and 1 bit, and 1 represents that Muting is wanted in respective cell, and 0 represents corresponding community not Muting, as shown in table 5.This preferred embodiment further reduces expense relative to embodiment 4.
Table 5 adjacent cell list bitmap index sequence
Cell1 Cell2 Cell3 Cell4 Cell5 Cell6 Cell7 Cell8
0 or 1 0 or 1 0 or 1 0 or 1 0 or 1 0 or 1 0 or 1 0 or 1
Cell9 Cell10 Cell11 Cell12 Cell13 Cell14 Cell15 Cell16
0 or 1 0 or 1 0 or 1 0 or 1 0 or 1 0 or 1 0 or 1 0 or 1
Embodiment 7
Network side sends CRSMuting configuration signal in SIBx or RRC information, receiving node receives the CRSMuting configuration signal in SIBx or RRC information in corresponding subframe, and through a series of process of physical layer, the signaling information after decoding is transferred to high level.This high-level signaling comprises the number of antennas index of adjacent cell list bitmap index and each community.Receiving node contrasts the ID (as shown in table 6) that adjacent cell list just can obtain this community after obtaining the bitmap index sequence of MutingCRSRE community, receiving node just can extrapolate each MutingCRS community CRS port x (x=1 by community ID, 2,3,4) position, thus the method demapping of rate-matched can be utilized and demodulate the data in the resource of distribution.This bitmap index sequence is made up of 0 and 1 bit, and 1 represents that Muting is wanted in respective cell, and 0 represents corresponding community not Muting.Bit consumption is: 3*16=48 bit or 2*16=32 bit.This preferred embodiment adds expense on a small quantity relative to embodiment 6, decreases interference.
The corresponding relation of table 6 adjacent cell bitmap index sequence and antenna port index and community ID
Cell1 Cell2 Cell3 Cell4 Cell5 Cell6 Cell7 Cell8
0 or 1 0 or 1 0 or 1 0 or 1 0 or 1 0 or 1 0 or 1 0 or 1
ANI1 ANI2 ANI3 ANI4 ANI5 ANI6 ANI7 ANI8
Cell9 Cell10 Cell11 Cell12 Cell13 Cell14 Cell15 Cell16
0 or 1 0 or 1 0 or 1 0 or 1 0 or 1 0 or 1 0 or 1 0 or 1
ANI9 ANI10 ANI11 ANI12 ANI13 ANI14 ANI15 ANI16
Wherein ANI is antenna port index.
Embodiment 8
Network side sends CRSMuting configuration signal in SIBx or RRC information, receiving node receives the CRSMuting configuration signal in SIBx or RRC information in corresponding subframe, and through a series of process of physical layer, the signaling information after decoding is transferred to high level.This high-level signaling comprises adjacent cell list bitmap index and a number of antennas index.Receiving node contrasts the ID (as shown in table 7) that adjacent cell list just can obtain this community after obtaining the bitmap index sequence of MutingCRSRE community, receiving node just can extrapolate each MutingCRS community CRS port x (x=1 by community ID, 2,3,4) position, thus the method demapping of rate-matched can be utilized and demodulate the data in the resource of distribution.This bitmap index sequence is made up of 0 and 1 bit, and 1 represents that Muting is wanted in respective cell, and 0 represents corresponding community not Muting.Bit consumption is: 16+1=17 bit or 16+2=18 bit.This preferred embodiment decreases signaling consumption relative to embodiment 7.
The corresponding relation of table 7 adjacent cell bitmap index sequence and antenna port index and community ID
Wherein ANI is antenna port index.
Embodiment 9
Network side sends CRSMuting configuration signal in SIBx or RRC information, receiving node receives the CRSMuting configuration signal in SIBx or RRC information in corresponding subframe, and through a series of process of physical layer, the signaling information after decoding is transferred to high level.This high-level signaling comprises bitmap index sequence, this bitmap index sequence be one can the right bitmap index sequence of MutingCRSRE on the CRSOFDM symbol of Muting, receiving node just can know which RE needs Muting in the OFDM symbol at CRS place after this bitmap index of acquisition, thus can utilize the method demapping of rate-matched and demodulate the data in the resource of distribution.This preferred embodiment have compressed signaling consumption greatly by bitmap index sequence, ensure that minimum interference.
Fig. 2 or Fig. 4 shows the Position Number of RE, and the corresponding relation of the Position Number of bitmap index sequence and RE is as shown in table 8.
The corresponding relation of the Position Number of table 8MutingCRSREbitmap index sequence and RE
Muting CRS RE Position Number 0 1 2 3 4 5
Bitmap index sequence element value 0 or 1 0 or 1 0 or 1 0 or 1 0 or 1 0 or 1
In addition, the present invention can also carry out the foundation of bitmap index sequence according to CRS two-port.In such a scenario, as shown in Figure 3, the corresponding relation of the Position Number of bitmap index sequence and RE is as shown in table 9 for the Position Number of RE.Have compressed signaling consumption greatly further, and ensure that minimum interference.
The corresponding relation of the Position Number of table 9MutingCRSREbitmap index sequence and RE
Muting CRS RE Position Number 0 1 2
Bitmap index sequence element value 0 or 1 0 or 1 0 or 1
Preferably, a bitmap index sequence can notify REs in Muting many OFDM symbol.
Embodiment 10
Network side sends CRSMuting configuration signal in SIBx or RRC information, receiving node receives the CRSMuting configuration signal in SIBx or RRC information in corresponding subframe, and through a series of process of physical layer, the signaling information after decoding is transferred to high level.This high-level signaling comprise bitmap index be two can the right bitmap index of MutingCRSRE on the CRSOFDM symbol of Muting, receiving node just can know which RE needs Muting to fall in the OFDM symbol at CRS place after this bitmap index of acquisition, thus can utilize the method demapping of rate-matched and demodulate the data in the resource of distribution.The MutingRE instruction of first bitmap index sequence instruction OFDM symbol 0,4,7,11, the MutingRE instruction of second bitmap index sequence instruction OFDM symbol 1,8.If carry out bitmapMuting according to the mode of CRS Single port, signaling consumption is 6+6=12 bit, or 6+3=9 bit.If carry out bitmapMuting according to the mode of CRS two-port, signaling consumption is 3+3=6 bit.In this preferred embodiment, ensure that the minimum interference on all CRSOFDM by said method.
Preferably, a bitmap index sequence can notify REs in Muting many OFDM symbol.
Embodiment 11
Network side sends CRSMuting configuration signal in SIBx or RRC information, receiving node receives the CRSMuting configuration signal in SIBx or RRC information in corresponding subframe, and through a series of process of physical layer, the signaling information after decoding is transferred to high level.Except comprising the positional information of MutingCRSRE in this high-level signaling, but also comprise CRSMuting cycle and CRSMuting sub-frame offset information, the mode that these information can adopt cycle and subframe to combine notifies.
Such as, by highest level signal I cRSMUTINGcarry out notice T cRSMUTINGand △ cRSMUTING, wherein, the corresponding relation of three is as shown in the table.
Table 8CRSMuting cycle and sub-frame offset configuration
I CRSMUTING T CRSMUTING △ CRSMUTING
0–4 4 I CRSMUTING
5–12 8 I CRSMUTING-5
13–28 16 I CRSMUTING-13
29-60 32 I CRSMUTING-29
61-124 64 I CRSMUTING-61
125-253 128 I CRSMUTING-125
253-256 Reserved Reserved
Preferably, described receiving node uses described positional information to comprise the step that the data in the resource of distributing carry out demapping and demodulation: when subframe meets relation time, described subframe is carried out CRS Muting operation, wherein, n frepresent radio frames index; n srepresent the time slot index of radio frames.
This cycle and sub-frame offset configuration can be configured for each Muting community or part respectively, or all Muting communities and all Muting resources have identical cycle and sub-frame offset.In this preferred embodiment, Muting resource can be reduced by the part Muting method of time domain, saving resource expense.
Embodiment 12
Fig. 5 is the preferred structural representation of one of configuration-system of signaling of mourning in silence according to the public reference signal of the embodiment of the present invention, wherein, this configuration-system comprises: network side 502 (or claim, network equipment 502) and receiving node 504, wherein, described network side 502 is for sending to described receiving node 504 by high-level signaling by the positional information of the resource element RE of mourned in silence Muting; Described receiving node 504 uses described positional information to carry out demapping and demodulation to the effective RE distributed.
In this preferred embodiment, the position of the RE of wanted Muting is sent to terminal receiving node by base station, so that receiving node utilizes this positional information to carry out rate-matched, thus solve the problem that receiving node cannot carry out rate-matched, and then reach the effect reducing hydraulic performance decline.
Preferably, described effective RE refers to the RE in all RE distributing to described receiving node except the RE corresponding with described positional information.In such a scenario, described receiving node uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: receiving node is when the RE that demapping and demodulation are distributed, if during the RE that demapping and demodulation the distribute RE that to be described positional information corresponding, then skip this RE, continue demapping and the demodulation of next RE.Preferably, described network side 502 does not send data on the RE that described positional information is corresponding.
Preferably, described network side 502 comprises: the first setting unit, for arranging described high-level signaling in system information block SIB; First transmitting element, for sending to described receiving node 504 by described SIB.
Preferably, described network side 502 comprises: the second setting unit, for arranging described high-level signaling in radio resource control RRC message; Second transmitting element, for only sending to the described receiving node 504 of advanced versions by described RRC information.
Preferably, described receiving node 504 comprises: the first acquiring unit, for obtaining the community ID of described RE from described high-level signaling; First computing unit, for calculating the positional information of cell common reference signal CRS port 0 by described community ID; First demapping demodulating unit, carries out demapping and demodulation for using the positional information of described community CRS port 0 to the described effective RE distributed.
Preferably, described receiving node 504 comprises: second acquisition unit, for obtaining community ID and the number of antennas index of described RE from described high-level signaling; Second computing unit, for going out the positional information of cell common reference signal CRS port 0 to 3 by described community ID and described number of antennas index calculation; Second demapping demodulating unit, carries out demapping and demodulation for using the positional information of described community CRS port 0 to 3 to the described effective RE distributed.
Preferably, described positional information comprises the adjacent cell list index of described RE, and described receiving node 504 uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: described receiving node 504 obtains described adjacent cell list index from described high-level signaling; Described receiving node 504 obtains the community ID of the described RE corresponding with described adjacent cell list index in adjacent cell list; Described receiving node 504 calculates the positional information of cell common reference signal CRS port 0 by described community ID; Described receiving node 504 uses the positional information of described community CRS port 0 to carry out demapping and demodulation to the described effective RE distributed.
Preferably, described positional information comprises the adjacent cell list index of described RE and the number of antennas index of described community, and described receiving node 504 uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: described receiving node 504 obtains described adjacent cell list index from described high-level signaling; Described receiving node 504 obtains the community ID of the described RE corresponding with described adjacent cell list index in adjacent cell list; Described receiving node 504 goes out the positional information of cell common reference signal CRS port 0 to 3 by described community ID and described number of antennas index calculation; Described receiving node 504 uses the positional information of described community CRS port 0 to 3 to carry out demapping and demodulation to the described effective RE distributed.
Preferably, described positional information comprises the bitmap bitmap index sequence of the adjacent cell list of described RE, and described receiving node 504 uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: described receiving node 504 obtains described bitmap index sequence from described high-level signaling; Described receiving node 504 obtains the community ID of the described RE corresponding with described bitmap index sequence in described adjacent cell list; Described receiving node 504 calculates the positional information of cell common reference signal CRS port 0 by described community ID; Described receiving node 504 uses the positional information of described community CRS port 0 to carry out demapping and demodulation to the described effective RE distributed.
Preferably, described positional information comprises the number of antennas index of the bitmap bitmap index sequence of the adjacent cell list of described RE and the community of described RE, described receiving node 504 uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: described receiving node 504 obtains described bitmap index sequence and described number of antennas index from described high-level signaling, wherein, the corresponding described number of antennas index of each bit in described bitmap index sequence; Described receiving node 504 obtains the community ID of the described RE corresponding with described bitmap index sequence in described adjacent cell list; Described receiving node 504 goes out the positional information of cell common reference signal CRS port 0 by described community ID and described number of antennas index calculation; Described receiving node 504 uses the positional information of described community CRS port 0 to carry out demapping and demodulation to the described effective RE distributed.
Preferably, described positional information comprises the number of antennas index of the bitmap bitmap index sequence of the adjacent cell list of described RE and the community of described RE, described receiving node 504 uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: described receiving node 504 obtains described bitmap index sequence and described number of antennas index from described high-level signaling, wherein, the corresponding described number of antennas index of described bitmap index sequence; Described receiving node 504 obtains the community ID of the described RE corresponding with described bitmap index sequence in described adjacent cell list; Described receiving node 504 goes out the positional information of cell common reference signal CRS port 0 by described community ID and described number of antennas index calculation; Described receiving node 504 uses the positional information of described community CRS port 0 to carry out demapping and demodulation to the described effective RE distributed.
Preferably, described positional information comprises bitmap index sequence, described receiving node 504 uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: described receiving node 504 obtains described bitmap index sequence from described high-level signaling, wherein, the OFDM symbol that bit in described bitmap index sequence is used to indicate cell common reference signal CRS place needs the described RE of Muting, described bitmap index sequence corresponds to the numbering of RE in described OFDM symbol, the number of the RE that a members in described OFDM symbol in bitmap index sequence is corresponding is more than or equal to 2, described receiving node 504 carries out demapping and demodulation according to described bitmap index sequence to the described effective RE distributed.
Preferably, described positional information comprises bitmap index sequence, described receiving node 504 uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: described receiving node 504 obtains described bitmap index sequence from described high-level signaling, wherein, the OFDM symbol that bit in described bitmap index sequence is used to indicate cell common reference signal CRS place needs the described RE of Muting, described two kinds of bitmap index sequence correspond to two kinds of described OFDM symbol, the number of the RE that a members in described OFDM symbol in bitmap index sequence is corresponding is more than or equal to 2, described receiving node 504 carries out demapping and demodulation according to described bitmap index sequence to the described effective RE distributed.
Preferably, a kind of OFDM symbol in described two kinds of OFDM symbol comprises: OFDM symbol 0,4,7,11; Another kind of OFDM symbol in described two kinds of OFDM symbol comprises: OFDM symbol 1,8.
Preferably, the RE of described bitmap index sequence in Muting many described OFDM symbol.
Preferably, only to comprise in described high-level signaling in a subframe want the positional information of the RE of Muting, wherein, described network side 502 carries out Muting to described RE in each subframe.
Preferably, to comprise in described high-level signaling in a subframe want the positional information of the RE of Muting, CRSMuting cycle and sub-frame offset information.
Preferably, send described CRSMuting cycle and CRSMuting sub-frame offset information by following steps: send to described receiving node 504 by the high-level signaling parameter ICRSMUTING that to be mourned in silence by public reference signal, wherein, I cRSMUTINGwith described CRSMuting cycle T cRSMUTINGwith described CRSMuting sub-frame offset information △ cRSMUTINGcorresponding relation as shown in table 1:
That is, as 0≤I cRSMUTING≤ T 1when-1, T cRSMUTING=T 1, △ cRSMUTING=I cRSMUTING;
Work as T 1≤ I cRSMUTING≤ T 1+ T 2when-1, T cRSMUTING=T 2, △ cRSMUTING=I cRSMUTING-T 1;
Work as T 1+ T 2≤ I cRSMUTING≤ T 1+ T 2+ T 3when-1, T cRSMUTING=T 3, △ cRSMUTING=I cRSMUTING-T 1-T 2
Work as T 1+ T 2+ T i≤ I cRSMUTING≤ T 1+ T 2+ T i+ T i+1-1, wherein, during i>=3, T cRSMUTING=T i+1, △ cRSMUTING=I cRSMUTING-T 1-T 2-...-T i;
Wherein, described T 1, T 2... T ifor the periodic quantity preset.
Preferably, described receiving node 504 uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation: when subframe meets relation time, described subframe is carried out CRS Muting operation, wherein, n frepresent radio frames index; n srepresent the time slot index of radio frames.
Preferably, the if desired RE at the described positional information place that Muting Duo Ge community CRS is corresponding, then described community ID is equal with the number of cells of institute Muting.
Preferably, the if desired RE at the described positional information place that Muting Duo Ge community CRS is corresponding, then the number of described community ID or number of antennas index is equal with the number of cells of institute Muting.
Preferably, described network side 502 comprise following one of at least: the network nodes such as MacroeNodeB, Pico, Relay, HomeeNodeB.
Preferably, described receiving node 504 comprise following one of at least: mobile terminal, user's handheld device, relay station, the network nodes such as Pico.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (22)

1. public reference signal is mourned in silence a collocation method for signaling, it is characterized in that, comprising:
The positional information of the resource element RE of mourned in silence Muting is sent to receiving node by high-level signaling by network side, and wherein, described positional information comprises one of following information:
The community ID of described RE and the number of antennas index of community, the adjacent cell list index of described RE, the adjacent cell list index of described RE and the number of antennas index of community, the bitmap bitmap index sequence of the adjacent cell list of described RE, the bitmap bitmap index sequence of adjacent cell list of described RE and the number of antennas index of the community of described RE or bitmap index sequence, wherein, the orthogonal frequency division multiplex OFDM symbol that the bit in described bitmap index sequence is used to indicate cell common reference signal CRS place needs the described RE of Muting;
Described receiving node uses described positional information to carry out demapping and demodulation to the effective RE distributed.
2. method according to claim 1, is characterized in that, the positional information of the RE of institute Muting sends to the step of receiving node to comprise by high-level signaling by described network side:
Described network side arranges described high-level signaling in system information block SIB;
Described SIB is sent to described receiving node by described network side.
3. method according to claim 1, is characterized in that, the positional information of the RE of institute Muting sends to the step of receiving node to comprise by high-level signaling by described network side:
Described network side arranges described high-level signaling in radio resource control RRC message;
Described RRC information is only sent to the receiving node that can identify described high-level signaling by described network side.
4. method according to claim 1, it is characterized in that, described positional information comprises the community ID of described RE and the number of antennas index of described community, and described receiving node uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation:
Described receiving node obtains described community ID and described number of antennas index from described high-level signaling;
Described receiving node goes out the positional information of cell common reference signal CRS port 0 to 3 by described community ID and described number of antennas index calculation;
Described receiving node uses the positional information of described community CRS port 0 to 3 to carry out demapping and demodulation to the described effective RE distributed.
5. method according to claim 1, is characterized in that, described positional information comprises the adjacent cell list index of described RE, and described receiving node uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation:
Described receiving node obtains described adjacent cell list index from described high-level signaling;
Described receiving node obtains the community ID of the described RE corresponding with described adjacent cell list index in adjacent cell list;
Described receiving node calculates the positional information of cell common reference signal CRS port 0 by described community ID;
Described receiving node uses the positional information of described community CRS port 0 to carry out demapping and demodulation to the described effective RE distributed.
6. method according to claim 1, it is characterized in that, described positional information comprises the adjacent cell list index of described RE and the number of antennas index of described community, and described receiving node uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation:
Described receiving node obtains described adjacent cell list index from described high-level signaling;
Described receiving node obtains the community ID of the described RE corresponding with described adjacent cell list index in adjacent cell list;
Described receiving node goes out the positional information of cell common reference signal CRS port 0 to 3 by described community ID and described number of antennas index calculation;
Described receiving node uses the positional information of described community CRS port 0 to 3 to carry out demapping and demodulation to the described effective RE distributed.
7. method according to claim 1, it is characterized in that, described positional information comprises the bitmap bitmap index sequence of the adjacent cell list of described RE, and described receiving node uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation:
Described receiving node obtains described bitmap index sequence from described high-level signaling;
Described receiving node obtains the community ID of the described RE corresponding with described bitmap index sequence in described adjacent cell list;
Described receiving node calculates the positional information of cell common reference signal CRS port 0 by described community ID;
Described receiving node uses the positional information of described community CRS port 0 to carry out demapping and demodulation to the described effective RE distributed.
8. method according to claim 1, it is characterized in that, described positional information comprises the number of antennas index of the bitmap bitmap index sequence of the adjacent cell list of described RE and the community of described RE, and described receiving node uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation:
Described receiving node obtains described bitmap index sequence and described number of antennas index from described high-level signaling, wherein, and the corresponding described number of antennas index of each bit in described bitmap index sequence;
Described receiving node obtains the community ID of the described RE corresponding with described bitmap index sequence in described adjacent cell list;
Described receiving node goes out the positional information of cell common reference signal CRS port 0 by described community ID and described number of antennas index calculation;
Described receiving node uses the positional information of described community CRS port 0 to carry out demapping and demodulation to the described effective RE distributed.
9. method according to claim 1, it is characterized in that, described positional information comprises the number of antennas index of the bitmap bitmap index sequence of the adjacent cell list of described RE and the community of described RE, and described receiving node uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation:
Described receiving node obtains described bitmap index sequence and described number of antennas index from described high-level signaling, wherein, and the corresponding described number of antennas index of described bitmap index sequence;
Described receiving node obtains the community ID of the described RE corresponding with described bitmap index sequence in described adjacent cell list;
Described receiving node goes out the positional information of cell common reference signal CRS port 0 by described community ID and described number of antennas index calculation;
Described receiving node uses the positional information of described community CRS port 0 to carry out demapping and demodulation to the described effective RE distributed.
10. method according to claim 1, is characterized in that, described positional information comprises bitmap index sequence, and described receiving node uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation:
Described receiving node obtains described bitmap index sequence from described high-level signaling, wherein, the orthogonal frequency division multiplex OFDM symbol that bit in described bitmap index sequence is used to indicate cell common reference signal CRS place needs the described RE of Muting, described bitmap index sequence corresponds to the numbering of RE in described OFDM symbol, and the number of the RE that a members in described OFDM symbol in bitmap index sequence is corresponding is more than or equal to 2;
Described receiving node carries out demapping and demodulation according to described bitmap index sequence to the described effective RE distributed.
11. methods according to claim 1, is characterized in that, described positional information comprises bitmap index sequence, and described receiving node uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation:
Described receiving node obtains two kinds of described bitmap index sequence from described high-level signaling, wherein, the OFDM symbol that bit in described bitmap index sequence is used to indicate cell common reference signal CRS place needs the described RE of Muting, two kinds of described bitmap index sequence correspond respectively to two kinds of described OFDM symbol, and the number of the RE that a members in described OFDM symbol in bitmap index sequence is corresponding is more than or equal to 2;
Described receiving node carries out demapping and demodulation according to described bitmap index sequence to the described effective RE distributed.
12. methods according to claim 11, is characterized in that, a kind of OFDM symbol in described two kinds of OFDM symbol comprises: OFDM symbol 0,4,7,11; Another kind of OFDM symbol in described two kinds of OFDM symbol comprises: OFDM symbol 1,8.
13. methods according to claim 10 or 11, is characterized in that, the RE of described bitmap index sequence in Muting many described OFDM symbol.
14. methods according to any one of claim 1 to 12, is characterized in that, only to comprise in described high-level signaling in a subframe want the positional information of the RE of Muting, wherein, described network side carries out Muting to described RE in each subframe.
15. methods according to any one of claim 1 to 12, is characterized in that, to comprise in described high-level signaling in a subframe want the positional information of the RE of Muting, CRSMuting cycle and sub-frame offset information.
16. methods according to claim 15, is characterized in that, send described CRSMuting cycle and CRSMuting sub-frame offset information by following steps:
Public reference signal to be mourned in silence parameter I by high-level signaling cRSMUTINGsend to described receiving node, wherein, I cRSMUTINGwith described CRSMuting cycle T cRSMUTINGwith described CRSMuting sub-frame offset information △ cRSMUTINGcorresponding relation as follows:
As 0≤I cRSMUTING≤ T 1when-1, T cRSMUTING=T 1, △ cRSMUTING=I cRSMUTING;
Work as T 1≤ I cRSMUTING≤ T 1+ T 2when-1, T cRSMUTING=T 2, △ cRSMUTING=I cRSMUTING-T 1;
Work as T 1+ T 2≤ I cRSMUTING≤ T 1+ T 2+ T 3when-1, T cRSMUTING=T 3, △ cRSMUTING=I cRSMUTING-T 1-T 2;
Work as T 1+ T 2+ T i≤ I cRSMUTING≤ T 1+ T 2+ T i+ T i+1-1, wherein, during i>=3, T cRSMUTING=T i+1, △ cRSMUTING=I cRSMUTING-T 1-T 2-...-T i;
Wherein, described T 1, T 2... T ifor the periodic quantity preset.
17. methods according to claim 16, is characterized in that, described receiving node uses described positional information to comprise the step that the effective RE distributed carries out demapping and demodulation:
When subframe meets relation time, described subframe is carried out CRS Muting operation, wherein, n frepresent radio frames index; n srepresent the time slot index of radio frames.
18. methods according to claim 1, is characterized in that, if desired the RE at the described positional information place that Muting Duo Ge community CRS is corresponding, then described community ID is equal with the number of cells of institute Muting.
19. methods according to claim 4, is characterized in that, if desired the RE at the described positional information place that Muting Duo Ge community CRS is corresponding, then the number of described community ID or number of antennas index is equal with the number of cells of institute Muting.
20. methods according to claim 1, is characterized in that, described effective RE refers to the RE in all RE distributing to described receiving node except the RE corresponding with described positional information.
21. 1 kinds of public reference signals are mourned in silence the configuration-system of signaling, it is characterized in that, comprising: network side and receiving node, wherein,
The positional information of the resource element RE of mourned in silence Muting is sent to described receiving node by high-level signaling by described network side; Wherein, described positional information comprises one of following information:
The community ID of described RE and the number of antennas index of community, the adjacent cell list index of described RE, the adjacent cell list index of described RE and the number of antennas index of community, the bitmap bitmap index sequence of the adjacent cell list of described RE, the bitmap bitmap index sequence of adjacent cell list of described RE and the number of antennas index of the community of described RE or bitmap index sequence, wherein, the orthogonal frequency division multiplex OFDM symbol that the bit in described bitmap index sequence is used to indicate cell common reference signal CRS place needs the described RE of Muting;
Described receiving node uses described positional information to carry out demapping and demodulation to the effective RE distributed.
22. systems according to claim 21, is characterized in that, described receiving node comprises:
Second acquisition unit, for obtaining community ID and the number of antennas index of described RE from described high-level signaling;
Second computing unit, for going out the positional information of cell common reference signal CRS port 0 to 3 by described community ID and described number of antennas index calculation;
Second demapping demodulating unit, carries out demapping and demodulation for using the positional information of described community CRS port 0 to 3 to the described effective RE distributed.
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