The LL Beacon frame is sent during the beacon slot in every superframe. The LL Beacon frame shall be formatted as illustrated in Figure 48c. 0/1/5/6/10/ Octets: 1 0/1 14 1 1 1 1 0/1 variable 2 Auxiliary LLDN Configuration Timeslot Number of Base Group FCS Frame Sequence Security PAN Sequence Size Timeslots in Acknow- Control Number Header coordina- Number Superframe ledgment tor ID field MHR MAC Payload MFR Figure 48c—Format of the LL Beacon Frame The order of the fields of the LL Beacon frame shall conform to the order of the general LLDN frame as illustrated in Figure 48a. The LL Beacon frame has a short MHR containing the Frame Control field of one octet. In the Frame Control field, the Frame Type field shall contain the value that indicates an LLDN frame, as shown in Table 2, and the Frame Subtype field shall contain the value that indicates an LL Beacon frame, as shown in Table 3c. The Flags field contains control information. The structure of the Flags field is shown in Figure 48d. Bits: 0–2 3 4 5–7 Transmission State Transmission Direction Reserved Number of Base Timeslots per Management Timeslot Figure 48d—Structure of Flags field of LL Beacon frame The Transmission State field defines the transmission state. The values for the different transmission states are specified in Table 3d. Table 3d—Transmission State settings Bits 0–2 Transmission 000 Online State (described in )
The LL Beacon frame is sent during the beacon slot in every superframe. The LL Beacon frame shall be formatted as illustrated in Figure 48c. Octets: 1 0/1 0/1/5/6/10/ 14 1 1 1 1 0/1 variable 2 Frame Control Sequence Number Auxiliary Security Header LLDN PAN coordina- tor ID field Configuration Sequence Number Timeslot Size Number of Base Timeslots in Superframe Group Acknow- ledgment FCS MHR MAC Payload MFR Figure 48c—Format of the LL Beacon Frame The order of the fields of the LL Beacon frame shall conform to the order of the general LLDN frame as illustrated in Figure 48a. The LL Beacon frame has a short MHR containing the Frame Control field of one octet. In the Frame Control field, the Frame Type field shall contain the value that indicates an LLDN frame, as shown in Table 2, and the Frame Subtype field shall contain the value that indicates an LL Beacon frame, as shown in Table 3c. The Flags field contains control information. The structure of the Flags field is shown in Figure 48d. Bits: 0–2 3 4 5–7 Transmission State Transmission Direction Reserved Number of Base Timeslots per Management Timeslot Figure 48d—Structure of Flags field of LL Beacon frame The Transmission State field defines the transmission state. The values for the different transmission states are specified in Table 3d. Table 3d—Transmission State settings Bits 0–2 Transmission 000 Online State (described in )
15-15-0245-00-0mag-lldn-base-text-for-15-4-revc.docx