The Super frame structure presented in IEEE802.15.7-2011 is shown in Figure 6-1 Figure 6-1 Superframe Structure – The Invisible Data Embedded Display TX Schemes use unslotted ALOHA; that is, when the Invisible Data Embedded Display transmitter has a packet to send, it just sends it. This support with beacon and without beacon support and the transmitter does not do a listen before talk channel activity check. The super frame structure for IEEE802.15.7r1 without beacon is shown in Figure 6-2. Figure 6-2 IEEE802.15.7r1 Superframe Structure without Beacon – The super frame structure for IEEE802.15.7r1 with beacon is shown in Figure 6-3. Figure 6-3 IEEE802.15.7r1 Superframe Structure with Beacon – MAC Frame Formats The MAC frame structure presented in IEEE802.15.7-2011 (Figure 44 General MAC – Frame Format) is shown in Figure 7-1. Figure 7-1 General MAC Frame Format – The IEEE802.15.7r1 MAC frame structure is formatted as illustrated in Figure 7-2 for 2 Dimensional codes. Figure 7-2 IEEE802.15.7r1 MAC Frame Format –
The Super frame structure presented in IEEE802.15.7-2011 is shown in Figure 6-1 Figure 6-1 – Superframe Structure The Invisible Data Embedded Display TX Schemes use unslotted ALOHA; that is, when the Invisible Data Embedded Display transmitter has a packet to send, it just sends it. This support with beacon and without beacon support and the transmitter does not do a listen before talk channel activity check. The super frame structure for IEEE802.15.7r1 without beacon is shown in Figure 6-2. Figure 6-2 – IEEE802.15.7r1 Superframe Structure without Beacon The super frame structure for IEEE802.15.7r1 with beacon is shown in Figure 6-3. Figure 6-3 – IEEE802.15.7r1 Superframe Structure with Beacon MAC Frame Formats The MAC frame structure presented in IEEE802.15.7-2011 (Figure 44 – General MAC Frame Format) is shown in Figure 7-1. Figure 7-1 – General MAC Frame Format The IEEE802.15.7r1 MAC frame structure is formatted as illustrated in Figure 7-2 for 2 Dimensional codes. Figure 7-2 – IEEE802.15.7r1 MAC Frame Format