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发表于 2021-06-13 23:02:40  只看楼主 

        在5G(NR)网络中根据TS38.214[19]第 5.2.2.2 条,码本配置消息“IE CodebookConfig” 用于配置 Type-I 和 Type-II 的码本,具体内容如下“

-- ASN1START

-- TAG-CODEBOOKCONFIG-START kangguoying20210613

CodebookConfig ::=                                  SEQUENCE {

    codebookType                                        CHOICE {kangguoying20210613

        type1                                               SEQUENCE {

            subType                                             CHOICE {kangguoying20210613

                typeI-SinglePanel                                   SEQUENCE {kangguoying20210613

                    nrOfAntennaPorts                                    CHOICE {

                        two                                                 SEQUENCE {

                            twoTX-CodebookSubsetRestriction                     BIT STRING (SIZE (6))                        },

                        moreThanTwo                                         SEQUENCE {kangguoying20210613

                            n1-n2                                               CHOICE {

                                two-one-TypeI-SinglePanel-Restriction               BIT STRING (SIZE (8)),kangguoying20210613

                                two-two-TypeI-SinglePanel-Restriction               BIT STRING (SIZE (64)),

                                four-one-TypeI-SinglePanel-Restriction              BIT STRING (SIZE (16)),kangguoying20210613

                                three-two-TypeI-SinglePanel-Restriction             BIT STRING (SIZE (96)),

                                six-one-TypeI-SinglePanel-Restriction               BIT STRING (SIZE (24)),kangguoying20210613

                                four-two-TypeI-SinglePanel-Restriction              BIT STRING (SIZE (128)),

                                eight-one-TypeI-SinglePanel-Restriction             BIT STRING (SIZE (32)),kangguoying20210613

                                four-three-TypeI-SinglePanel-Restriction            BIT STRING (SIZE (192)),

                                six-two-TypeI-SinglePanel-Restriction               BIT STRING (SIZE (192)),

                                twelve-one-TypeI-SinglePanel-Restriction            BIT STRING (SIZE (48)),

                                four-four-TypeI-SinglePanel-Restriction             BIT STRING (SIZE (256)),kangguoying20210613

                                eight-two-TypeI-SinglePanel-Restriction             BIT STRING (SIZE (256)),

                                sixteen-one-TypeI-SinglePanel-Restriction           BIT STRING (SIZE (64))                            },

                            typeI-SinglePanel-codebookSubsetRestriction-i2      BIT STRING (SIZE (16))        OPTIONAL    -- Need R                }                    },

                    typeI-SinglePanel-ri-Restriction                    BIT STRING (SIZE (8))                },kangguoying20210613

                typeI-MultiPanel                                    SEQUENCE {

                    ng-n1-n2                                                CHOICE {kangguoying20210613

                        two-two-one-TypeI-MultiPanel-Restriction                BIT STRING (SIZE (8)),

                        two-four-one-TypeI-MultiPanel-Restriction               BIT STRING (SIZE (16)),

                        four-two-one-TypeI-MultiPanel-Restriction               BIT STRING (SIZE (8)),

                        two-two-two-TypeI-MultiPanel-Restriction                BIT STRING (SIZE (64)),

                        two-eight-one-TypeI-MultiPanel-Restriction              BIT STRING (SIZE (32)),

                        four-four-one-TypeI-MultiPanel-Restriction              BIT STRING (SIZE (16)),kangguoying20210613

                        two-four-two-TypeI-MultiPanel-Restriction               BIT STRING (SIZE (128)),

                        four-two-two-TypeI-MultiPanel-Restriction               BIT STRING (SIZE (64))                    },

                    ri-Restriction                          BIT STRING (SIZE (4))                }            },

            codebookMode                                        INTEGER (1..2)        },kangguoying20210613

        type2                                   SEQUENCE {

            subType                                 CHOICE {kangguoying20210613

                typeII                                  SEQUENCE {

                    n1-n2-codebookSubsetRestriction         CHOICE {

                        two-one                                 BIT STRING (SIZE (16)),kangguoying20210613

                        two-two                                 BIT STRING (SIZE (43)),

                        four-one                                BIT STRING (SIZE (32)),

                        three-two                               BIT STRING (SIZE (59)),

                        six-one                                 BIT STRING (SIZE (48)),kangguoying20210613

                        four-two                                BIT STRING (SIZE (75)),

                        eight-one                               BIT STRING (SIZE (64)),

                        four-three                              BIT STRING (SIZE (107)),

                        six-two                                 BIT STRING (SIZE (107)),kangguoying20210613

                        twelve-one                              BIT STRING (SIZE (96)),

                        four-four                               BIT STRING (SIZE (139)),

                        eight-two                               BIT STRING (SIZE (139)),kangguoying20210613

                        sixteen-one                             BIT STRING (SIZE (128))                    },

                    typeII-RI-Restriction                   BIT STRING (SIZE (2))                },

                typeII-PortSelection                    SEQUENCE {

                    portSelectionSamplingSize               ENUMERATED {n1, n2, n3, n4}                   OPTIONAL,       -- Need R

                    typeII-PortSelectionRI-Restriction      BIT STRING (SIZE (2))                }            },

            phaseAlphabetSize                       ENUMERATED {n4, n8},

            subbandAmplitude                        BOOLEAN,kangguoying20210613

            numberOfBeams                           ENUMERATED {two, three, four}        }    }} 

CodebookConfig-r16  ::=                SEQUENCE  {

    codebookType                           CHOICE {kangguoying20210613

        type2                                  SEQUENCE {

            subType                                CHOICE {kangguoying20210613

                typeII-r16                             SEQUENCE  {

                    n1-n2-codebookSubsetRestriction-r16    CHOICE {

                        two-one                                BIT STRING (SIZE (16)),kangguoying20210613

                        two-two                                BIT STRING (SIZE (43)),

                        four-one                               BIT STRING (SIZE (32)),

                        three-two                              BIT STRING (SIZE (59)),kangguoying20210613

                        six-one                                BIT STRING (SIZE (48)),

                        four-two                               BIT STRING (SIZE (75)),

                        eight-one                              BIT STRING (SIZE (64)),

                        four-three                             BIT STRING (SIZE (107)),

                        six-two                                BIT STRING (SIZE (107)),

                        twelve-one                             BIT STRING (SIZE (96)),

                        four-four                              BIT STRING (SIZE (139)),

                        eight-two                              BIT STRING (SIZE (139)),kangguoying20210613

                        sixteen-one                            BIT STRING (SIZE (128))                    },

                    typeII-RI-Restriction-r16              BIT STRING (SIZE(4))                },

                typeII-PortSelection-r16  SEQUENCE {kangguoying20210613

                    portSelectionSamplingSize-r16          ENUMERATED {n1, n2, n3, n4},

                    typeII-PortSelectionRI-Restriction-r16 BIT STRING (SIZE (4))                }            },

        numberOfPMI-SubbandsPerCQI-Subband-r16 INTEGER (1..2),

        paramCombination-r16                   INTEGER (1..8)        }    }}kangguoying20210613

 

-- TAG-CODEBOOKCONFIG-STOP

-- ASN1STOP


字段释义:

codebookMode:TS 38.214 [19] 条款 5.2.2.2.2 中规定的 CodebookMode)。kangguoying20210613

codebookType:CodebookType 包括可能的子类型和每个子类型的相应参数(参见 TS 38.214 [19],第 5.2.2.2 节)。

n1-n2-codebookSubsetRestriction第一 (n1) 和第二 (n2) 维中的天线端口数量和码本子集限制(参见 TS 38.214 [19] 第 5.2.2.2.3 条)。kangguoying20210613

码本子集限制的位数为 CEIL(log2(nchoosek(O1*O2,4)))+8*n1*n2 其中 nchoosek(a,b) = a!/(b!(a-b)!)。

n1-n2:第一 (n1) 和第二 (n2) 维和码本子集限制中的天线端口数(参见 TS 38.214 [19] 第 5.2.2.2.1 节)。

ng-n1-n2:类型 I 多面板码本的码本子集限制(参见 TS 38.214 [19],第 5.2.2.2.2 条)。kangguoying20210613

numberOfPMI-SubbandsPerCQI-Subband:字段指示如何根据 TS 38.214 [19] 的第 5.2.2.2.5 条为每个 CQI 子带定义 PMI 子带,kangguoying20210613

paramCombination:字段描述了 TS 38.214 中规定的支持的参数组合 (L,p_v,β)。

phaseAlphabetSize:PSK 字母、QPSK 或 8-PSK 的大小。kangguoying20210613

portSelectionSamplingSize:端口选择码本的大小(参数 d),参见 TS 38.214 [19] 条款 5.2.2.2.6。

ri-Restriction:TypeI-MultiPanel-RI-Restriction 的 RI 限制(参见 TS 38.214 [19],第 5.2.2.2.2 条)。

subbandAmplitude:如果子带幅度报告被激活(真)。

twoTX-CodebookSubsetRestriction:2TX 码本的码本子集限制(参见 TS 38.214 [19] 条款 5.2.2.2.1)。

typeI-SinglePanel-codebookSubsetRestriction-i2:当 reportQuantity 为 CRI/Ri/i1/CQI 时使用的 I 型单面板码本的 i2 码本子集限制(参见 TS 38.214 [19] 条款 5.2.2.2.1)。

typeI-SinglePanel-ri-Restriction:TypeI-SinglePanel-RI-Restriction 的 RI 限制(参见 TS 38.214 [19],第 5.2.2.2.1 条)。kangguoying20210613

typeII-PortSelectionRI-Restriction:TypeII-PortSelection-RI-Restriction 的 RI 限制(参见 TS 38.214 [19],条款 5.2.2.2.4 和 5.2.2.2.6)。

类型II-RI-限制:TypeII-RI-Restriction 的 RI 限制(参见 TS 38.214 [19],第 5.2.2.2.3 和 5.2.2.2.5 条)。


资料来源:3GPP 38.331 6.3

资料整理:kangguoying20210613



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