WO2023164839A1 - Rapport et configuration d'informations d'état de canal - Google Patents

Rapport et configuration d'informations d'état de canal Download PDF

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Publication number
WO2023164839A1
WO2023164839A1 PCT/CN2022/078840 CN2022078840W WO2023164839A1 WO 2023164839 A1 WO2023164839 A1 WO 2023164839A1 CN 2022078840 W CN2022078840 W CN 2022078840W WO 2023164839 A1 WO2023164839 A1 WO 2023164839A1
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Prior art keywords
mrs
information
csi
mrs port
index
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PCT/CN2022/078840
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English (en)
Inventor
Shujuan Zhang
Zhaohua Lu
Wenjun Yan
Shijia SHAO
Bo Gao
Yijian Chen
Huahua Xiao
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Zte Corporation
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Priority to PCT/CN2022/078840 priority Critical patent/WO2023164839A1/fr
Publication of WO2023164839A1 publication Critical patent/WO2023164839A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0478—Special codebook structures directed to feedback optimisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems

Definitions

  • This document is directed generally to wireless communications.
  • LTE Long-Term Evolution
  • 3GPP 3rd Generation Partnership Project
  • LTE-A LTE Advanced
  • 5G 5th generation of wireless system, known as 5G is committed to supporting higher data-rates, large number of connections, ultra-low latency, high reliability and other emerging business needs.
  • One method includes determining N MRS port groups, by a first communication node, wherein N is an integer greater than 1, and determining, by the first communication node, channel state information (CSI) based on the N MRS port groups.
  • the method further includes reporting the CSI, by the first communication node to a second communication node, wherein the CSI includes a first information associated with the N MRS port groups and X sets of second information, wherein X is an integer large than 0 and smaller than or equal to N, and wherein each of the X sets of second information is associated with one MRS port unit of X MRS port units.
  • the method includes receiving the channel state information (CSI) , by the second communication node from a first communication node, wherein the CSI includes a first information associated with the N MRS port groups and X sets of second information, wherein X is an integer larger than 0 and smaller than or equal to N, and wherein each of the X sets of second information is associated with one MRS port unit of X MRS port units.
  • CSI channel state information
  • a wireless communication apparatus in yet another aspect, includes a processor configured to implement a disclosed method.
  • a computer readable medium having program code stored thereon having program code stored thereon.
  • the program code upon execution by a processor, causes the processor to implement a method disclosed in the present document.
  • FIG. 1 shows an example embodiment in which the UE can measure the N CSI-RS port groups and get channel state information (CSI) based on the N CSI reference signals (CSI-RS) port groups.
  • CSI channel state information
  • FIG. 2 shows an example embodiment in which different CSI-RS port groups correspond to different time delay clusters and different frequency domain vector sets.
  • FIG. 3 shows an example embodiment in which different CSI-RS port groups correspond to similar time delay clusters and dependent frequency domain vector sets.
  • FIG. 4 shows an example embodiment in which different CSI-RS port groups corresponding to same spatial domain vector set.
  • FIG. 5 shows an example of a process.
  • FIG. 6 shows another example or a process.
  • FIG. 7 shows an exemplary block diagram of a hardware platform that may be a part of a network device or a communication device.
  • FIG. 8 shows an example of wireless communication network including a base station (BS) and user equipment (UE) based on some implementations of the disclosed technology.
  • BS base station
  • UE user equipment
  • CJT coherent joint transmissions
  • EXAMPLE 1 SD bases, combination coefficient and frequency domain vectors are per channel state information reference signal (CSI-RS) port group
  • the wireless device determines N CSI-RS port groups configured by gNB or selected by UE.
  • a wireless device includes a user equipment (UE) , handset, or any other wireless device.
  • the term UE wireless device may replace the term wireless device in this document.
  • the UE can measure the N CSI-RS port groups (N is an integer greater than 1) and get CSI (channel state information) based on the N CSI-RS port groups as shown in FIG. 1.
  • the UE reports the CSI to a base station such as the next generation Node B (gNB) base station.
  • Each CSI-RS port group may correspond to one transmission/reception point (TRP) .
  • TRP transmission/reception point
  • the gNB may be connected to or include the N TRPs (i.e the third communication node) or the gNB (i.e the second communication node) can be separate from the N TRPs, that is the gNB and the N TRP can be same or different node.
  • the third communication node and/or the third communication node can be the other UEs different from the first communication node.
  • the first communication can be a gNB such as a IAB (integrated access-backhaul) node.
  • the CSI includes channel quality index (CQI) , rank indicator (RI) and precoding matrix indicator (PMI) .
  • the CSI also can include CRI (channel resource indicator) to indicate the N CSI-RS port groups selected by the UE.
  • CRI channel resource indicator
  • each CRI corresponds to one set CSI-RS port groups which includes one or more CSI-RS port groups.
  • the CSI includes one CRI to indicate the N CSI-RS port groups.
  • each CRI corresponds to one CSI-RS port group.
  • the CSI includes N CRIs.
  • Each CSI-RS port group can be associated with a quasi co-location reference signal (QCL-RS) set.
  • the QCL-RS set includes one or more reference signal resources.
  • the set of QCL-RS may be included in one transmission configuration indication (TCI) state.
  • TCI transmission configuration indication
  • the CQI and RI are shared by the N CSI-RS port groups, that is the CQI and RI are shared by N sub-precoding matrices of one precoding matrix of the N CSI-RS port group.
  • the CQI and RI are based on the N CSI-RS port groups.
  • the CSI can include one RI.
  • the CSI includes a channel quality indicator (CQI) . If there are multiple CQIs, different CQIs correspond to different codewords, or different frequency domain subbands. Different CQI may not correspond to different CSI-RS port groups.
  • the UE can assume that physical downlink shared channel (PDSCH) signals on v antenna ports for v layers will result in signals equivalent to corresponding symbols transmitted on antenna ports of the N CSI-RS port groups as shown in Equation (1) , where T j is the number of CSI-RS ports in the j th CSI-RS port group.
  • v is the number of layers indicated by the RI.
  • r is a resource index.
  • r is a resource element (RE) index, or a frequency domain unit index.
  • the CQI is based on the PMI and the RI.
  • the RI corresponds to the PMI.
  • Each of the N sub-PMIs corresponds to one CSI-RS port group.
  • the N sub-PMIs correspond to the N CSI-RS port groups.
  • the precoding matrix W includes N sub-precoding matrices.
  • Each sub-precoding matrix can be indicated by a sub codebook index.
  • the sub codebook can be indicated by the sub-PMI.
  • the precoding matrix of the N CSI-RS port groups includes N sub-precoding matrices.
  • Each of the N sub-precoding matrices corresponds to a subset of CSI-RS ports of the precoding matrix of the N CSI-RS port groups.
  • Each sub-precoding matrix corresponds to one CSI-RS port group, different sub-precoding matrices correspond to different CSI-RS port groups.
  • Equation (1) can be represented by Equation (1-1)
  • R is the number of receiving antennas at the UE side.
  • T j is the number of CSI-RS ports in the CSI-RS group j.
  • the number of CSI-RS ports across CSI-RS port groups can be the same or different. In the case the number of CSI-RS ports across N CSI-RS port groups are the same.
  • each CSI-RS port group corresponds to one CSI-RS resource.
  • Each CSI-RS resource is configured with powerControlOffset.
  • the ration of each CSI-RS port groups can be determined respectively by each powerControlOffset.
  • Method 1 the N CSI-RS resources should be configured same powerControlOffset which is the same value;
  • Method 2 the N CSI-RS port groups should be in one CSI-RS resource with one powerControlOffset which is the same value;
  • Method 3 the N CSI-RS resources can be configured different powerControlOffset, but the same value can be one of powerControlOffset configured for one CSI-RS resources, such as the first one.
  • the ration for different j can be the same or different as described in above.
  • Step 2 For each frequency domain unit t, the UE gets the ideal precoding matrix which includes rows and v columns as shown in Equation (3)
  • Equation (4) The has format as shown in Equation (4) .
  • Each is quantified as includes two sub vectors and Each sub vector corresponds to half CSI-RS ports in the CSI-RS port group j. and respectively correspond to the first and second half of the CSI-RS ports in the CSI-RS port group with index j.
  • the UE gets L j spatial domain vectors (i.e the first vector set) and M v, j frequency domain vectors y t, l, j . (i.e the second vector set) .
  • the two sub vector is quantified by same L j spatial domain vectors and M v, j frequency domain vectors y t, f, j . Their combined coefficients a l, i, f, j , are determined respectively.
  • the y t, f, j is a scalar.
  • the y t, f, j is a vector including N 3 elements, where and t ⁇ ⁇ 0, 1, ... N 3 -1 ⁇ .
  • For one vector y t, f, j is fixed.
  • the maximal value is which can be marked by which is the strongest coefficients of CSI-RS port group j.
  • the index of the strongest coefficients can be marked by and corresponds to a spatial domain vector index among the L j spatial frequency domain vectors of CSI-RS port group j. corresponds to a frequency domain vector index among the M v, j frequency domain vectors y t, l, j for CSI-RS port group j.
  • M v, j-1 is divided by the strongest coefficient such as then the strongest coefficient has amplitude with value 1 and the other coefficients have amplitude with value smaller than or equal to 1.
  • the strongest coefficient has phase with value 0.
  • the phase and amplitude of doesn't need to feedback and the gNB know that
  • the UE gets The UE quantifies the remaining 2L j *M v, j -1 coefficient according to an quantify table and feedback them to gNB.
  • the amplitude and phase of each of the remaining 2L j *M v, j -1 coefficients are separately quantified by and. which will be described later.
  • the relative of the two maximal amplitudes each of which corresponds to one sub-vector should be fed back to the gNB by The maximal value between is and may not need to be fed back. The smaller value between should be fed back to the gNB for each j.
  • the UE finds the maximal value among the N and its index is j * such as Each of the N strongest coefficients are divided by such as the the j ⁇ j * is reported by the UE to the gNB.
  • the index of j * can be reported by the UE. The may not be reported by the UE.
  • j * can be specific to a layer l, that is j * can be represented by such as
  • the UE To feed back the selected M v, j frequency domain vectors, the UE cyclic shifts the selected frequency domain vectors using the following remapping operation: such that after the remapping.
  • the index is remapped with respect to as such that the index of the strongest coefficient is
  • the UE just needs to feedback index of M v, j -1 frequency domain vectors because the index of the first frequency domain vector is 0 such as after remapping.
  • the relative relationship information among the N original index of the first frequency domain before the remapping may also be fed back to the gNB. For example, can be fed back to gNB. For example,
  • the a l, i, f, j is quantified by a" l , i, f, j and
  • the L j for different CSI-RS port groups can be different or the same.
  • L j is determined according to CSI-RS port group index.
  • the CSI-RS port group 0, 1 are in first CSI-RS port group and group 2, 3 are in first group.
  • the L j is determined according to at least one of the strongest value of the larger corresponds to larger L j .
  • the CSI includes information about .
  • the L j is determined according to at least one : j, one MRS port unit index d including MRS port group with index j, received signaling, reported RSRP of the one MRS port unit with index d, or sum of square of coefficients of a" l, i, f, j , j ⁇ J d , wherein J d includes MRS port group index j of the MRS port unit with index d;
  • the M v, j M j .
  • the CSI includes CSI-RS port
  • each CSI-RS port unit includes one CSI-RS port group, then the CSI-RS port unit is the CSI-RS port group. If one CSI-RS port unit includes the N CSI-RS port groups, then there is only one CSI-RS port unit.
  • the UE quantifies the 2L j *M j coefficients a" l , i, f, j according to an quantification table and then fed back to the gNB.
  • the amplitude and phase of each of the 2L j *M j coefficients a" l, i, f, j coefficients are separately quantified by the and which is described as following without subscript j for simplicity.
  • Each CSI-RS port group with indexj 0, 1, ..., N-1corresponds to the sub-codebook indices i 1 and i 2 , where
  • each sub-precoding matrix for a CSI-RS port group j has following format:
  • L vectors combined by the sub-codebook are identified by the indices i 1, 1 and i 1, 2 , wherein the L vectors combined by the sub-codebook are identified by the indices i 1, 1 and i 1, 2 , where
  • n (i) N 1 N 2 -1-x *
  • i 1, 2 is found using:
  • the values of N 1 and N 2 are configured by the gNB.
  • the corresponding values of (O 1 , O 2 ) are configured by the gNB.
  • the corresponding values of (O 1 , O 2 ) are based on the values of N 1 and N 2 .
  • the corresponding values of (O 1 , O 2 ) are based on the values of N 1 and N 2 and based on Table 2.
  • the number of CSI-RS ports of one CSI-RS port group, P CSI-RS is 2N 1 N 2 .
  • L and Mv are based on configuration from the gNB.
  • the gNB gives the UE an row index of a table.
  • the UE gets the L and Mv based on the row index and the table.
  • One row of the row index includes values of L and Mv.
  • the amplitude coefficient indicators i 2, 3, l and i 2, 4, l are
  • Different RIs correspond to different number of frequency domain vectors used to combine the sub-precoding matrix of CSI-RS port group j. In some implementation, different RI sets correspond to different numbers of frequency domain vectors.
  • the M v can be replaced by M l .
  • the number of frequency domain vectors is layer specific. Different layers correspond to different number represented by M l .
  • N 3 is total number of precoding matrices in frequency domain corresponding to sub-codebook.
  • phase coefficient indicator i 2, 5, l is
  • v is the number of layers.
  • indices of i 2, 4, l , i 2, 5, l and i 1, 7, l are associated to the M ⁇ codebook indices in n 3, l .
  • mapping from to the amplitude coefficient is given in Table 3 and the mapping from to the amplitude coefficient is given in Table 4.
  • the amplitude coefficients are represented by
  • the codebook indices of n 3, l are remapped with respect to as such that after remapping.
  • the indices of i 2, 4, l , i 2, 5, l and i 1, 7, l indicate amplitude coefficients, phase coefficients and bitmap after remapping.
  • the strongest coefficient of layer l is identified by i 1, 8, l ⁇ ⁇ 0, 1, ..., 2 -1 ⁇ , which is obtained as follows
  • M initial is identified by i 1, 5 .
  • M initial is indicated by i 1, 5 , which is reported and given by
  • N PSK is configured by gNB using radio resource control RRC signaling or MAC-CE signaling.
  • RRC radio resource control
  • MAC-CE MAC-CE
  • Each of N CSI-RS port groups respectively corresponds to M v frequency domain vectors.
  • the frequency domain vector set of one CSI-RS port group includes the M v frequency domain vectors.
  • the M v can be replaced by M v, j or M j .
  • the number of frequency domain vectors depends on v indicated by RI and index of CSI-RS port groups. Different CSI-RS port groups can correspond to different M v, j .
  • the frequency domain vector reflects the time delay of ray.
  • Different TRPs represented by different CSI-RS port groups
  • Each CSI-RS port group corresponds to one strongest coefficients identified a such as i 1, 8, l .
  • the frequency domain vector corresponding strongest coefficient is per CSI-RS port group.
  • the codebook indices of n 3, l are remapped with respect to as such that after remapping.
  • the indices of i 2, 4, l , i 2, 5, l and i 1, 7, l indicate amplitude coefficients, phase coefficients and bitmap after remapping.
  • the strongest coefficient of layer l of CSI-RS port group j is identified by i 1, 8, l ⁇ ⁇ 0, 1, ..., 2L-1 ⁇ corresponding to CSI-RS port group j, which is obtained as follows
  • the strongest coefficient is identified by i 1, 8, l ⁇ ⁇ 0, 1, ..., 2L-1 ⁇ .
  • the indices of i 2, 3, l i 2, 4, l , i 2, 5, l and i 1, 7, l of the CSI-RS port group is based on the strongest coefficient of layer l of one CSI-RS port group.
  • the coefficient is based on the strongest coefficient. They are coefficients after divided by the strongest coefficient.
  • N strongest coefficients each of which corresponds to one CSI-RS port group.
  • Each of the N strongest coefficient is the strongest coefficient among 2L j *M j coefficients of sub-PMI of one CSI-RS port group.
  • the PMI should include an index of CSI-RS port group j * .
  • the strongest coefficient of CSI-RS port group j * has the strongest coefficient among the N strongest coefficients.
  • the relative relationship between N strongest coefficients should be feedback to gNB.
  • N strongest frequency domain vectors f * There are also N strongest frequency domain vectors f * . Each of the N strongest frequency domain vectors corresponds to one CSI-RS por group. Different f * corresponds to different CSI-RS port groups. The f * of sub-PMI corresponding to CSI-RS port group j can be named The relative between the N frequency domain vectors should be reported to gNB. That is the relative of N frequency domain vectors of should be reported to gNB. The relative relationship between the N frequency domain vectors of includes The and is the value and for sub-PMI j and sub-PMI j * respectively before the operation of
  • the precoding matrix of the N CSI-RS port groups can be Equation (36) :
  • j is the index of CSI-RS port group. corresponding to CSI-RS port group j and are spatial domain vectors, amplitude of a first CSI-RS port sub-group, amplitude of a second CSI-RS port sub-group, frequency domain vector, amplitude corresponding to the first CSI-RS port sub-group and a combination of a spatial domain vector and a frequency domain vector, phase corresponding to the first CSI-RS port sub-group and the combination of a spatial domain vector and a frequency domain vector, amplitude corresponding to the second CSI-RS port sub-group and a combination of a spatial domain vector and a frequency domain vector, and phase corresponding to the second CSI-RS port sub-group and the combination of a spatial domain vector and a frequency domain vector respectively.
  • The includes relative information between frequency domain vector corresponding strongest coefficient of CSI-RS port group j and frequency domain vector corresponding strongest coefficient of CSI-RS port group j * . That is the relative information includes relative information between and For example or, wherein and are based on and before the operation of after remapping for each CSI-RS port group and before the operation of
  • the frequency domain vector includes one element for each frequency domain unit with index t.
  • the N 3 elements each of which corresponds to one frequency domain unit index t comprise one frequency domain vector.
  • One frequency domain vector with index f of CSI-RS port group j corresponds to one
  • FIG. 2 shows different CSI-RS port groups from different TRPs corresponding to different delay sets and different frequency domain vector sets.
  • the CSI includes first information associated with the N CSI-RS port groups and a first information associated with the N CSI-RS port groups and X sets of a second information, wherein X is an integer large than 0 and smaller than or equal to N, and wherein each of the X sets is associated with one CSI-RS port unit of X MRS port units. If the CSI-RS port unit can be one CSI-RS port group or can be a set of CSI-RS port group of the N CSI-RS port groups.
  • the first information includes index and We can see the X can be different for different second information.
  • the N-1 set of information about can be numbered as fourth information. There are N whose amplitude and phase isn’ t included in the CSI and corresponding to N strongest coefficients for each j.
  • the a l, i, f, j is quantified iby a" l, i, f, j and and,
  • the difference between the first and the second quantified method is that in the first method is replaced with in the second method, that is in the second method equals to in the first method., only one among 2N of of corresponding to one strongest coefficient and whose amplitude isn’t included in the CSI.
  • the second information doesn’ t includes i 2, 3, l for each j in the second quantified method.
  • the first information includes The can be indicated by separately or indicated by one value k with bits, The information about amplitude of remaining 2N-1 should be included in the CSI.
  • the a l, i, f, j is quantified by a" l, i, f, j and and,
  • the difference between the second and the third quantified method is that the isn’ t 1 and should be included in the CSI. and its amplitude may be not included in the CSI.
  • the a l, i, f, j is quantified by a" l, i, f, j and and,
  • the difference between the third and the fourth quantified method includes at least one of and the isn’ t 1 and should be included in the CSI ; the is 1 and shouldn’t be included in the CSI; and its amplitude may be not included in the CSI;
  • the CSI doesn’ ti 1, 8, l for each j and the first information includes wherein there is only one strongest coefficients instead of N+1 strongest coefficients; ori 1, 5 and i 1, 6, l for each j select M j frequency domain vectors instead only M j -1 frequency domain vectors and the remapping operation doesn’t performs for each j, wherein the index of a frequency domain vector corresponding to a strongest coefficient isn’t always 0 should be indicated by i 1, 5 and/or i 1, 6, l for each j.
  • the a l, i, f, j is quantified by a" l, i, f, j and and, the difference between the first i 1, 5 and i 1, 6, l for each j select M j frequency domain vectors instead and the fifth is that only M j -1 frequency domain vectors and the remapping operation doesn’ t performs for each j.
  • the index of a frequency domain vector corresponding to a strongest coefficient isn’t always 0 should be indicated by i 1, 5 and/or i 1, 6, l for each j.
  • the a l, i, f, j is quantified by a" l, i, f, j and and The difference between the first the isn’ t 1 and should be and the sixth is that included in the CSI. and its amplitude may be not included in the CSI
  • the a l, i, f, j is quantified by a" l, i, f, j and and The difference between the second i 1, 5 and i 1, 6, l for each j select M j frequency domain vectors instead and the seventh is that only M j -1 frequency domain vectors and the remapping operation doesn’t performs for each j.
  • the index of a frequency domain vector corresponding to a strongest coefficient isn’t always 0 should be indicated by i 1, 5 and/or i 1, 6, l for each j.
  • the a l, i, f, j is quantified by a" l, i, f, j and and The difference between the sixth i 1, 5 and i 1, 6, l for each j select M j frequency domain vectors instead and the eighth is that only M j -1 frequency domain vectors and the remapping operation doesn’t performs for each j.
  • the index of a frequency domain vector corresponding to a strongest coefficient isn’t always 0 should be indicated by i 1, 5 and/or i 1, 6, l for each j.
  • the CSI-RS port group can be replaced with other measurement reference signal port group, such as sound reference signal port group.
  • the of CSI-RS port group j can be replace with v i, j which is a vector including T j /2 elements. Only one T j /2 elements is 1 and remaining T j /2-1 elements are 0. T j is the number of CSI-RS ports in CSI-RS port group with index j.
  • the i 1, 2 isn’t included in i 1 in Equation (6) .
  • i 1, 1 is to indicate one vector v i, j with the only one element with value 1 is the element with index i 1, 1 modT j .
  • the ⁇ l, j satisfies one of following features ⁇ l, j is specific to each j, ⁇ l, j is determined according to T j /2 and 2L j *M j of a" l, i, f, j associated with ⁇ l is determined according to the number of MRS ports in the N MRS port group and of a" l, i, f, j associated with ⁇ l, d is determined according to the number of MRS ports in the one MRS port unit with index d and of a" l, i, f, j for all j of the one MRS port unit with index d , wherein J d includes indexes of MRS port groups in the one MRS port unit with index d ; any one of ⁇ l, j , ⁇ l , ⁇ l, d is specific to one layer l; or any one of ⁇ l, j , ⁇ l, ,
  • ⁇ t, l equals one of ⁇ l, j , ⁇ l, d or ⁇ l .
  • the spatial vector set across N CSI-RS port groups has relationship.
  • the first information includes information about one set of spatial domain vector indicated by i 1, 1 or i 1, 1 and i 1, 2 .
  • the second information includes offset between its spatial domain vector set of CSI-RS port group j/or CSI-RS port unit d and the one set of spatial domain vector indicated by the first information.
  • the spatial vector set across N CSI-RS port groups are same.
  • the first information includes information about one set of spatial domain vector indicated by i 1, 1 or i 1, 1 and i 1, 2 .
  • the second information doesn’t includes information about one set of spatial domain vector for each j.
  • Example 4-1 Different SD bases and different combination coefficients across TRPs.
  • Example 4-2 Depend SD bases and different combination coefficient across TRPs
  • time channel taps of different TRPs are similar. They are only different in a fixed delay such as ⁇ f.
  • Example 5-1 Different SD bases and different combination coefficients
  • Example 5-3 Same SD bases and different combination coefficient
  • the distribute of time taps from different TRPs are similar. They are different with respect to a fixed delay.
  • FIG. 4 An example with multiple panels with the same beams/cluster arriving UE is shown in FIG. 4.
  • the first information includes i 1 , i 2 as shown in equation (6) .
  • the i 1 , i 2 is specific to or
  • the second information includes information about phase difference between two sub-precoding matrix of each CSI-RS port groups, or between precoding matrix of different CSI-RS port groups.
  • Equation can be one of following:
  • Example 6-1 Only one phase difference between panels
  • Phase difference between two polarization are same for different panels.
  • One of following format can be adopted.
  • Example 6-2 Four phase differences between panels, mode 2
  • Phase difference between two polarization are different for different panels.
  • it includes wide band difference and sub band difference.
  • Example 6-3 One phase difference for each SD base, new mode 1 or
  • Example 6-4 Four phase difference for each SD base, new mode 2
  • Example 2 to Example 6-4 the first quantified method for quantify a l, i, f, j is used, any one of second to eighth quantified method shown in example 1 also can be adopted for any of above Example 2 to Example 6-4.
  • the UE determines N MRS port groups, , wherein N is an integer greater than 1.
  • the UE determines channel state information (CSI) based on the N MRS port groups; and reports the CSI to a second communication node, wherein the CSI includes a first information associated with the N MRS port groups and X sets of second information, wherein X is an integer large than 0 and smaller than or equal to N, and wherein each of the X sets of second information is associated with one MRS port unit of X MRS port units.
  • CSI channel state information
  • One MRS port unit can be one set of MRS port groups one or more MRS port groups of the N MRS port groups.
  • the gNB can informs indexes of MRS port groups for each MRS port groups set.
  • the UE can gets indexes of MRS port groups for each MRS port groups set according to a rule, or index of MRS port group. For example, the first N/2 MRS port group is in first set and the second N/2 MRS port groups are in second set. Or the first MRS port group set includes MRS port group with odd index among the N MRS port groups, the second MRS port group set includes MRS port group with even index among the N MRS port groups.
  • the second information is shared in one MRS port group index instead of specific to each CSI-RS port group.
  • each MRS port group set includes one MRS port group, X is N.
  • the MRS port unit also can be MRS port group.
  • the MRS port unit can be different.
  • the gNB can informs the MRS port unit for a piece of the second information, or for a set of second information.
  • the second information includes information about strongest and strongest
  • For information about strongest the MRS port unit is one MRS port group.
  • For information about strongest the MRS port unit is one MRS port group set includes two MRS port groups.
  • the gNB can inform the MRS port unit for information about strongest and strongest respectively.
  • the UE can gets the MRS port unit for information about strongest and strongest respectively according to MRS port group index and/or a rule.
  • the parameter of at least one of PRG, TA, CP is determined according to the number of TCI states.
  • Each PCI is configured with two LTE-CRS pattern.
  • Each LTE-CRS pattern is specific one CORESET pool index.
  • One LTE-CRS pattern is configured for a combination of CORESET pool index and a PCI.
  • the rate matching pattern is configured for a combination of CORESET pool index and a PCI , or for a PCI, wherein the rate matching pattern includes PRB symbol level and/or RE level rate matching pattern, for example the rate matching pattern includes at least one of rateMatchPatternToAddModList, rateMatchPatternGroup1, rateMatchPatternGroup2, zp-CSI-RS-ResourceToAddModList, aperiodic-ZP-CSI-RS-ResourceSetsToAddModList and sp-ZP-CSI-RS-ResourceSetsToAddModList or LTE-CRS pattern.
  • FIG. 5 depicts a method 500, in accordance with some example embodiments.
  • the method includes determining N MRS port groups, by a first communication node, wherein N is an integer greater than 1.
  • the method includes determining, by the first communication node, channel state information (CSI) based on the N MRS port groups.
  • the method includes Reporting the CSI, by the first communication node to a second communication node, wherein the CSI includes a first information associated with the N MRS port groups and X sets of second information, wherein X is an integer larger than 0 and smaller than or equal to N, and wherein each of the X sets of second information is associated with one MRS port unit of X MRS port units.
  • CSI channel state information
  • FIG. 6 depicts another method 600, in accordance with some example embodiments.
  • the method includes receiving the channel state information (CSI) , by the second communication node from a first communication node, wherein the CSI includes a first information associated with the N MRS port groups and X sets of second information, wherein X is an integer larger than 0 and smaller than or equal to N, and wherein each of the X sets of second information is associated with one MRS port unit of X MRS port units.
  • CSI channel state information
  • FIG. 7 shows an exemplary block diagram of a hardware platform 700 that may be a part of a network device (e.g., base station) or a communication device (e.g., a user equipment (UE) ) .
  • the hardware platform 700 includes at least one processor 710 and a memory 705 having instructions stored thereupon. In some embodiments, the memory 705 may be omitted or may be internal to the processor 710.
  • the instructions upon execution by the processor 710 configure the hardware platform 700 to perform the operations described in FIGS. 1 to 8 in the various embodiments described in this patent document.
  • the transmitter 715 transmits or sends information or data to another device. For example, a network device transmitter can send a message to a user equipment.
  • the receiver 720 receives information or data transmitted or sent by another device. For example, a user equipment can receive a message from a network device.
  • FIG. 8 shows an example of a wireless communication system (e.g., a 5G or NR cellular network) that includes a base station 820 and one or more user equipment (UE) 811, 812 and 813.
  • the UEs access the BS (e.g., the network) using a communication link to the network (sometimes called uplink direction, as depicted by dashed arrows 831, 832, 833) , which then enables subsequent communication (e.g., shown in the direction from the network to the UEs, sometimes called downlink direction, shown by arrows 841, 842, 843) from the BS to the UEs.
  • a wireless communication system e.g., a 5G or NR cellular network
  • the UEs access the BS (e.g., the network) using a communication link to the network (sometimes called uplink direction, as depicted by dashed arrows 831, 832, 833) , which then enables subsequent communication (e.
  • the BS send information to the UEs (sometimes called downlink direction, as depicted by arrows 841, 842, 843) , which then enables subsequent communication (e.g., shown in the direction from the UEs to the BS, sometimes called uplink direction, shown by dashed arrows 831, 832, 833) from the UEs to the BS.
  • the UE may be, for example, a smartphone, a tablet, a mobile computer, a machine to machine (M2M) device, an Internet of Things (IoT) device, and so on.
  • M2M machine to machine
  • IoT Internet of Things
  • the UE determines N CSI-RS port groups, wherein N is larger than 1.
  • the UE get channel state information CSI based on the N CSI-RS port groups.
  • the UE feedback the channel state information to gNB,
  • the CSI includes first information and second information.
  • the CSI satisfies at least one following feature.
  • the CSI includes one piece of first information and N pieces of second information
  • the first information corresponds to the N CSI-RS port groups and the second information corresponds to/is associated with one CSI-RS port group of the N CSI-RS port group;
  • the first information corresponds to the N CSI-RS port groups and the second information corresponds to/is associated with one set of CSI-RS port groups.
  • one set of CSI-RS port groups includes one or more CSI-RS port group of the N CSI-RS port group.
  • the UE determines N CSI-RS port groups according to at least one of following information: Receive signaling; CRI reported by the UE;
  • the one piece of first information includes CRI;
  • the one piece of first information includes at least one CQI, RI, first information of precoding matrix
  • the CSI includes multiple CQI, different CQI corresponds to different codewords or different frequency domain units.
  • the multiple CQIs doesn't corresponds to
  • the second information or the CSI includes information about N coefficients each of which corresponds to one of the N CSI-RS port group;
  • the second information or the CSI includes relative information about N coefficients each of which corresponds to one of the N CSI-RS port group
  • the information/or the relative information about the N coefficients includes amplitude and phase information; or the information/or the relative information about the N coefficients includes only amplitude information, and no phase information
  • the second information includes indicator of L j spatial vectors
  • the first information includes indicator of L spatial vectors
  • the second information includes at least one of a set of coefficients each of which is associated with to one spatial domain vector, one frequency domain vector, one layer index and one CSI-RS port group, or each of which is associated with to one spatial domain vector, one frequency domain vector, one layer index and one sub group of one CSI-RS port group, information of a set of spatial domain vector, information of a set of frequency domain vectors.
  • the first information or the CSI includes index of a first CSI-RS port group among the N CSI-RS port groups.
  • the coefficient corresponding to the first CSI-RS port group and from the N coefficient is the strongest value among the N coefficient.
  • a CSI-RS port group of the N CSI-RS port group includes two sub CSI-RS port groups.
  • the CSI/the second information includes coefficients for each sub CSI-RS port group. Each coefficients is associated with to one spatial domain vector, one frequency domain vector, one layer index, one sub CSI-RS port group.
  • the CSI/the second information includes information about N frequency domain vectors each of which corresponds to one CSI-RS port group
  • the CSI/the second information includes relative/information about N frequency domain vectors each of which corresponds to one CSI-RS port group
  • the CSI/the second information includes information about M v, j -1 frequency domain vectors after reshaping
  • the first information includes information of a set of spatial domain vectors
  • the first information includes information of a set of frequency domain vectors.
  • the CSI includes third information corresponds to one set of one or more CSI-RS port groups of the N CSI-RS port groups.
  • the third information includes at least one of information about a set of spatial domain vectors, information about a set of frequency domain vectors
  • the first information includes RI and CQI
  • the first information includes information of a first set of spatial domain vectors.
  • the information of a first set of spatial domain vectors includes i 1, 1 or i 1, 2 .
  • the first set of spatial domain vectors includes u m .
  • the first set of spatial domain vectors includes v m
  • a method of wireless communication comprising: determining N MRS port groups, by a first communication node, wherein N is an integer greater than 1; determining, by the first communication node, channel state information (CSI) based on the N MRS port groups; and reporting the CSI, by the first communication node to a second communication node, wherein the CSI includes a first information associated with the N MRS port groups and X sets of second information, wherein X is an integer large than 0 and smaller than or equal to N, and wherein each of the X sets of second information is associated with one MRS port unit of X MRS port units.
  • CSI channel state information
  • one MRS port unit is one MRS port group of the N MRS port groups; the one MRS port unit is a set of one or more of the N MRS port groups; the one MRS port unit includes MRS ports in one or more groups of the N MRS port groups, or a quantity of MRS port units is equal to X+1 and any of the N MRS port groups belongs to one of the X+1 MRS port units.
  • Clause 3 The method of clause 1, wherein the second communication node is a next generation node B (gNB) base station of a cellular network.
  • gNB next generation node B
  • Clause 4 The method of clause 1, further comprising: receiving, by the first communication node, an MRS of the N MRS port groups from N third communication nodes.
  • Clause 5 The method of clause 4, wherein at least one of: the second communication node is included in the N third communication nodes; the second communication node controls the N third communication nodes; the second communication node is connected to the N third communication nodes; or the second communication node and the N third communication nodes are a same communication node.
  • determining N MRS port groups comprises: determining, by the first communication node, the N MRS port groups according to at least one of: a received signaling; or one or more MRS resource indicator included in the CSI, wherein the one or more MRS resource indicators correspond to the N MRS port groups.
  • Clause 7 The method of clause 1, wherein the first information includes at least one of: one or more channel quality indicators (CQI) ; a rank indicator (RI) ; one or more MRS resource indicators, wherein the one or more MRS resource indicators correspond to the N MRS port groups; or a first information about a precoding matrix of the N MRS port groups.
  • CQI channel quality indicators
  • RI rank indicator
  • MRS resource indicators wherein the one or more MRS resource indicators correspond to the N MRS port groups
  • a first information about a precoding matrix of the N MRS port groups or a precoding matrix of the N MRS port groups.
  • Clause 9 The method of clause 1, wherein the first information includes information about a first vector set, wherein each vector in the first vector set includes T/2 elements, and wherein T is a number of the MRS ports in one of the N MRS port groups.
  • the CSI information includes information about an offset or a relationship between first vector sets associated with different MRS port groups of the N MRS ports group; the first vector set is shared by v layers and the N MRS port groups; each of the T/2 elements corresponds to one MRS port of one MRS port group; all the T/2 elements have a same amplitude and each of the T/2 elements has a respective phase; only one of the T/2 elements has a value of 1 and a remaining (T/2-1) elements have a value of 0; the CSI information includes information about a weighted combination of vectors in the first vector set for each sub MRS port groups, wherein there are 2*N sub groups and each MRS port group includes two sub MRS port groups, wherein the first vector set is shared by the 2*N weighted combination vectors for each layers; or the first information includes
  • Clause 11 The method of clause 1, wherein the second information includes information about a first vector set for one MRS port unit, wherein each vector in the first vector set includes T/2 elements wherein T is a quantity of the MRS ports in one MRS port group of the one MRS port unit.
  • each of the X MRS port units is associated with a respective first vector set; the first vector set is specific to a sub precoding matrix of one of the X port unit; for X first vector sets each of which is associated with one of the X MRS port units, quantities of vectors in different sets of the X first vector sets are a same value; for X first vector sets each of which is associated with one of the X MRS port units, quantities of vectors in different sets of the X first vector sets are respectively determined or are different values; a quantity of vectors in a first respective vector set associated with a respective MRS port unit is determined according to at least one of an index of the respective MRS port unit, a sum of square of coefficients of a sub-precoding of the respective MRS port unit, reported RSRP of the respective MRS port unitor a received signaling; the first vector set is shared by v layers of one of the N MRS port units; each of the T/2 elements corresponds to one MRS
  • Clause 13 The method of clause 1, wherein the first information includes information about a second vector set, wherein each vector in a second vector set includes N 3 elements each of which corresponds to a frequency domain unit.
  • Clause 14 The method of clause 1, wherein the second information includes information about a second vector set, wherein each vector in the second vector set includes N 3 elements each of which corresponds to a frequency domain unit.
  • each of the X MRS port units is associated with a respective second vector set; the second vector set is specific to a precoding matrix of the N MRS port groups; the second vector set is specific to a sub precoding matrix of one of the X MRS port unit; each of the X MRS port units is associated with a respective second vector set for each layer; for X second vector sets each of which is specific to one sub-precoding matrix of one of the X MRS port units, the quantities of vectors in different second vector sets are a same quantity; for X second vector sets each of which is specific to one sub-precoding matrix of one of the X MRS port units, the quantities of vectors in different second vector sets are different quantities; the quantities of vectors in a second vector set associated with one MRS port unit is determined according to at least one of: an index of the one MRS port unit, a sum of square of coefficients of a sub-precoding of the respective MRS port unit total number of layers v
  • T j is a quantity of MRS ports in the one MRS port group with index j.
  • Clause 20 The method of clauses 18 or 19, wherein at least one of: for and a weighted coefficient associated with a vector in V j is a weighted combination of values in a values set Y j, t , each value in Y j, t is a t th element of a vector in Y j ; a t th element of a vector in the Y j is wherein n 3 ⁇ ⁇ 0, 1, ...N 3 -1 ⁇ and t ⁇ ⁇ 0, 1, ...N 3 -1 ⁇ ; wherein one vector in the Y j corresponds to one value, n 3 .
  • ⁇ l, j is a value with phase equal to 0; all elements in v i, j have a same amplitude and each element in v i, j has a respective phase or only one element of v i, j is 1 and all remaining elements are 0; v i, j is a vector in a first vector set; y l, f, j is a t th element of a vector in a second vector set; and an amplitude of a" l, i, f, j is smaller or equal to 1, and a" l, i, f, j is a value with an amplitude and a phase; wherein are amplitude value with phase equal 0 and are phase values with amplitude equal 1.
  • Clause 23 The method of clause 22, wherein corresponds to a first half of MRS ports of a MRS port group with index j among the N MRS port groups and corresponds to a second half of MRS ports of a MRS port group with index j.
  • Clause 27 The method of clause 26, wherein at least one of: the second information includes corresponding to a strongest coefficient, wherein or corresponding to the strongest coefficient is value 0; the second information includes at least one of or corresponding to a strongest coefficient; wherein the strongest coefficient is maximal value of 2L j *M j of a" l , i, f, j or for one j, and the and Information about amplitude and phase of aren’t included in the CSI; or the amplitude of equals to 1, that is and wherein information about amplitude aren’t included in the CSI and information about phase of or should be included in the CS, wherein wherein can be 1 can the CSI doesn’ t includes information about amplitude and phase of or the CSI includes information about amplitude and phase of should be in the CSI.
  • Clause 28 The method of clause 26, wherein at least one of: the second information includes corresponding to a strongest coefficient, wherein corresponding to the strongest coefficient is value 0; or the second information includes at least one of or corresponding to a strongest coefficient, wherein the strongest coefficient is maximal value of of a" l, i, f, j or wherein J d includes indexes of MRS port group in one MRS port unit with index d, and the and Information about amplitude and phase of aren’t included in the CSI; or the amplitude of equals to 1 and wherein information about amplitude of aren’t included in the CSI and information about phase of or should be included in the CSI, wherein can be 1 can the CSI doesn’t includes information about amplitude and phase of or the CSI includes information about amplitude and phase of should be in the CSI.
  • the first information includes at least one of or corresponding to a strongest coefficient, wherein the strongest coefficient is at least one of maximal value among of at least one fo a" l, i, f, j or of maximal value among 2N of or maximal value among N of wherein comprising at least one of: the and Information about amplitude and phase of aren’ t included in the CSI; the amplitude of equals to 1, and information about amplitude of are not included in the CSI.
  • Clause 30 The method of any of clauses 22 to 29, wherein at least one of: if a phase of one of is included in the CSI, a" l, i, f, j is determined according to and at least one of there are N of which equal to 1 and amplitude and phase of the N of is not include in the CSI for wherein each of the N of is associated with a respective j; there is only one which equal to 1 and amplitude and phase of the only one is not include in the CSI, wherein the only one is from 2N of the CSI includes information about amplitude of remaining 2N-1 if at least one of or , is included in the CSI, a" l, i, f, j is determined according to and at least one of if a phase of a strongest coefficient of a MRS port group is included in the CSI, a" l, i, f, j is determined according to and at least one of if an index of a second vector of a strongest coefficient is included in the
  • the second information includes information about at least one of or; is same for all i and j is same for all i, j and q is same for all i and j is specific to j and q and is same for all i is specific to j or for different l, the at least one of or; of has relationship
  • the first information includes information about v i
  • Clause 35 The method of any of clauses 22 to 34, wherein at least one of: the second information includes information about at least one of or wherein corresponding to a strongest value of at least one of for each j ; the second information includes information about at least one of or wherein corresponding to a strongest value of at least one of among all j ⁇ J d ; the first information includes at least one of or corresponding to a strongest value of at least one of among all j, wherein the CSI includes information about amplitude of 2N-1 of the 2N of of and the CSI doesn’ t includes information about amplitude of only one of the 2N of of wherein the only one equals to value 1 and the first information includes at least one of the only one or the CSI includes information about amplitude of N of the 2N of of and the CSI doesn’t includes information about amplitude of remaining N of the 2N of of each j is associated with one of the N of and one of the remaining N of or the CSI includes information about amplitude of N-1 of of and the
  • Clause 36 The method of any of clauses 1 to 35, wherein the CSI includes Z sets of third information, wherein Z is larger than N.
  • Clause 37 The method of clause 36, wherein Z equals to 2*N*e or 2*N*e-1, wherein e is an integer larger than 0.
  • Clause 38 The method of clause 36, wherein the third information includes at least one of information about at least one of or
  • Clause 40 The method of any of clauses1 to 39, further comprise: determining, by the first communication, at least one of CQI, PMI, or RI according to a ratio of EPRE of PDSCH to MRS EPRE for each of the N MRS port groups, or for each of the MRS port unit.
  • Clause 42 The method of any of clause 1 to 41, wherein the first information associated with N MRS port groups comprises: the first information is specific to a precoding matrix of the N MRS port groups; the CSI includes one set of the first information; or the first information isn’ t specific to a sub-precoding matrix of one MRS port unit, wherein the precoding matrix of the N MRS port group includes X or X+1 sub-precoding matrices each of which is associated with one MRS port.
  • each set of the second information is associated with one MRS port unit comprising: the second information is specific to a sub precoding matrix of the one MRS port unit; or different sets of the second information are specific to different sub precoding matrix of different MRS port units, wherein the precoding matrix of the N MRS port group includes X or X+1 sub-precoding matrices each of which is associated with one MRS port.
  • Clause 44 The method of any of clauses 1 to 43, wherein the second information or the CSI includes information about X coefficients, each of the X coefficients corresponding to one of the X MRS port groups, wherein the information about the X coefficients includes amplitude information, or includes amplitude and phase information.
  • the second information includes information about at least of: a set of coefficients each of which is associated with a vector of a first vector set, a vector of a second vector set and a MRS port group; the first vector set; the second vector, a amplitude corresponding to a layer and a N MRS port unit with index d; a phase corresponding to a layer and a N MRS port unit with index d; a phase corresponding to a layer; a N MRS port unit with index d and a frequency domain unit; a amplitude corresponding to a layer, one sub MRS sub group of one MRS port group with index j, index of a strongest coefficient among the set of coefficients each of which is associated with a vector of a first vector set; or a vector of a second vector set.
  • each of the CSI-MRS port groups corresponds to at least one of: transmission configuration indicator (TCI) state; one CSI-MRS resource; or one set of quasi co-location measurement reference signals (QCL-MRS) .
  • TCI transmission configuration indicator
  • QCL-MRS quasi co-location measurement reference signals
  • Clause 49 The method of any clauses 1 to 46, wherein comprising at one of the second information includes index corresponding to a strongest coefficient for each MRS port unit or the first information includes index corresponding to one strongest coefficient associated with the N MRS port groups.
  • Clause 50 The method of any clauses 1 to 46, wherein at least one of: the first information is specific to one layer; the second information is specific to one layer; the CSI includes the first information for each layer; the CSI includes the second information for each layer; or determining, by the first communication node, an index of MRS port groups in a MRS port unit according to at least one of a received signaling, MRS port group index or a rule
  • Clause 51 The method of any of clauses 1 to 46, wherein the N belongs to the set ⁇ 2, 4, 8 ⁇ .
  • Clause 54 The method of any of clauses 1 to 52, wherein the first communication node is a wireless device.
  • Clause 55 An apparatus, comprising a processor configured to implement a method recited in any one or more of clauses 1 to 54.
  • Clause 56 A computer program product having code stored thereon, the code, when executed by a processor, causing the processor to implement a method recited in any one or more of clauses 1 to 55.
  • a method of wireless communication comprising: receiving the channel state information (CSI) , by the second communication node from a first communication node, wherein the CSI includes a first information associated with the N MRS port groups and X sets of second information, wherein X is an integer larger than 0 and smaller than or equal to N, and wherein each of the X sets of second information is associated with one MRS port unit of X MRS port units.
  • CSI channel state information
  • Clause 58 The method of clause 57, wherein at least one of: one MRS port unit is one MRS port group of the N MRS port groups, the one MRS port unit is a set of one or more of the N MRS port groups; the one MRS port unit includes MRS ports of the N MRS port groups; or a quantity of MRS port units is equal to X+1 and any of the N MRS port groups belongs to one of the X+1 MRS port units.
  • Clause 59 The method of clause 57, wherein the second communication node is a next generation node B (gNB) base station of a cellular network.
  • gNB next generation node B
  • Clause 60 The method of clause 57, wherein the first communication node is a wireless device.
  • Clause 62 An apparatus, comprising a processor configured to implement a method recited in any one or more of clauses 57 to 61.
  • Clause 63 A computer program product having code stored thereon, the code, when executed by a processor, causing the processor to implement a method recited in any one or more of clauses 57 to 61.
  • the disclosed and other embodiments, modules and the functional operations described in this document can be implemented in digital electronic circuitry, or in computer software, firmware, or hardware, including the structures disclosed in this document and their structural equivalents, or in combinations of one or more of them.
  • the disclosed and other embodiments can be implemented as one or more computer program products, i.e., one or more modules of computer program instructions encoded on a computer readable medium for execution by, or to control the operation of, data processing apparatus.
  • the computer readable medium can be a machine-readable storage device, a machine-readable storage substrate, a memory device, a composition of matter effecting a machine-readable propagated signal, or a combination of one or more them.
  • data processing apparatus encompasses all apparatus, devices, and machines for processing data, including by way of example a programmable processor, a computer, or multiple processors or computers.
  • the apparatus can include, in addition to hardware, code that creates an execution environment for the computer program in question, e.g., code that constitutes processor firmware, a protocol stack, a database management system, an operating system, or a combination of one or more of them.
  • a propagated signal is an artificially generated signal, e.g., a machine-generated electrical, optical, or electromagnetic signal, that is generated to encode information for transmission to suitable receiver apparatus.
  • a computer program (also known as a program, software, software application, script, or code) can be written in any form of programming language, including compiled or interpreted languages, and it can be deployed in any form, including as a stand-alone program or as a module, component, subroutine, or other unit suitable for use in a computing environment.
  • a computer program does not necessarily correspond to a file in a file system.
  • a program can be stored in a portion of a file that holds other programs or data (e.g., one or more scripts stored in a markup language document) , in a single file dedicated to the program in question, or in multiple coordinated files (e.g., files that store one or more modules, sub programs, or portions of code) .
  • a computer program can be deployed to be executed on one computer or on multiple computers that are located at one site or distributed across multiple sites and interconnected by a communication network.
  • the processes and logic flows described in this document can be performed by one or more programmable processors executing one or more computer programs to perform functions by operating on input data and generating output.
  • the processes and logic flows can also be performed by, and apparatus can also be implemented as, special purpose logic circuitry, e.g., an FPGA (field programmable gate array) or an ASIC (application specific integrated circuit) .
  • processors suitable for the execution of a computer program include, by way of example, both general and special purpose microprocessors, and any one or more processors of any kind of digital computer.
  • a processor will receive instructions and data from a read only memory or a random-access memory or both.
  • the essential elements of a computer are a processor for performing instructions and one or more memory devices for storing instructions and data.
  • a computer will also include, or be operatively coupled to receive data from or transfer data to, or both, one or more mass storage devices for storing data, e.g., magnetic, magneto optical disks, or optical disks.
  • mass storage devices for storing data, e.g., magnetic, magneto optical disks, or optical disks.
  • a computer need not have such devices.
  • Computer readable media suitable for storing computer program instructions and data include all forms of non-volatile memory, media and memory devices, including by way of example semiconductor memory devices, e.g., EPROM, EEPROM, and flash memory devices; magnetic disks, e.g., internal hard disks or removable disks; magneto optical disks; and CD ROM and DVD-ROM disks.
  • semiconductor memory devices e.g., EPROM, EEPROM, and flash memory devices
  • magnetic disks e.g., internal hard disks or removable disks
  • magneto optical disks e.g., CD ROM and DVD-ROM disks.
  • the processor and the memory can be supplemented by, or incorporated in, special purpose logic circuitry.

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Abstract

La présente invention concerne des procédés, des appareils, et des supports lisibles par ordinateur. Un procédé comprend la détermination de N groupes de ports MRS, par un premier nœud de communication, N étant un nombre entier supérieur à 1, et la détermination, par le premier nœud de communication, d'informations d'état de canal (CSI) en fonction des N groupes de ports MRS. Le procédé comprend aussi le rapport des CSI, par le premier nœud de communication à un deuxième nœud de communication, les CSI comprenant des premières informations associées aux N groupes de ports MRS et X ensembles de deuxièmes informations, X étant un nombre entier supérieur à 0 et inférieur ou égal à N, et chacun des X ensembles de deuxièmes informations étant associé à une unité de port MRS parmi X unités de port MRS.
PCT/CN2022/078840 2022-03-02 2022-03-02 Rapport et configuration d'informations d'état de canal WO2023164839A1 (fr)

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