Update _3gpp-common-yang-types.yang

       type uint16;

    }  

  }

    grouping TaiGrp {

    description "This <<dataType>> defines a Tracking Area Identity (TAI) 

      as specified in clause 28.6 of TS 23.003, clause 8.2 of TS 38.300 

      and clause 9.3.3.11 of TS 38.413. It is composed of the PLMN 

      identifier (PLMN-Id, which is composed of the MCC and MNC) and 

      the Tracking Area Code (TAC). ";

    list plmnId {

      description "PLMN Identity.";

      min-elements 1;

      max-elements 1;

      key "mcc mnc";

      uses types3gpp:PLMNId;

    }

    leaf tac { type Tac; }

  }

  /* DistinguishedName pattern is built up based on the 

    EBNF in 32.300 clause 7.3  EBNF of DN String Representation