doc:lps:tdoa3:protocol
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| Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
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doc:lps:tdoa3:protocol [2018-05-02 14:31] kristoffer |
doc:lps:tdoa3:protocol [2018-05-02 14:44] kristoffer |
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| </ | </ | ||
| - | |||
| - | This page describes the [[doc: | ||
| ===== System architecture ===== | ===== System architecture ===== | ||
| Line 27: | Line 25: | ||
| < | < | ||
| - | +--------+--------------------+ | + | +--------+--------------------+----------+ |
| - | Packet | + | Packet |
| - | +--------+--------------------+ | + | +--------+--------------------+----------+ |
| 7 bytes | 7 bytes | ||
| Line 44: | Line 42: | ||
| 8 bits 1 bit 7 bits 32 bits 0 or 16 bits | 8 bits 1 bit 7 bits 32 bits 0 or 16 bits | ||
| < | < | ||
| - | +--------+--------+-------------+-------------+--------------+ | + | +--------+-------------+--------+-------------+--------------+ |
| Remote anchor data: | | Remote anchor data: | | ||
| +--------+-------------+--------+-------------+--------------+ | +--------+-------------+--------+-------------+--------------+ | ||
| + | | ||
| + | | ||
| + | LPP data: TBD | ||
| + | | ||
| </ | </ | ||
| - | * Header | + | * **Header** |
| - | * type - 0x30 | + | * **type:** 0x30 |
| - | * seq - the sequence number of this packet 0 - 127 | + | * **seq:** the sequence number of this packet 0 - 127 |
| - | * txTimeStamp | + | * **txTimeStamp:** transmission time of this packet |
| - | * remoteCount | + | * **remoteCount:** the number of slots in the Remote Anchor Data section that are populated with data, max 8 |
| - | * Remote anchor data | + | * **Remote anchor data** |
| - | * id - the id of the remote anchor | + | * **id:** the id of the remote anchor |
| - | * hasDistance | + | * **hasDistance:** 1 = distance data is included in the remote anchor data, total length is 8 bytes, otherwise it is 6 bytes. |
| - | * seq - sequence number of latest packet received from the remote anchor 0 - 127 | + | * **seq:** sequence number of latest packet received from the remote anchor 0 - 127 |
| - | * rxTimeStamp | + | * **rxTimeStamp:** receive time stamp of latest packet from the remote anchor |
| - | * distance | + | * **distance:** time of flight between the current anchor and the remote anchor in radio timer ticks |
| ===== Tag implementation ===== | ===== Tag implementation ===== | ||
doc/lps/tdoa3/protocol.txt · Last modified: 2020-05-12 14:08 by kimberly
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