Implementation of GPS L5 signal using model based design tool

Acquisition and loop control of ultra-tight INS/BeiDou integration system

“…3) Analyzing the required delay time. Focusing on [9,10) and [10,11),when the start point of the incoming signal falls into these two sections, the signal can fall into the non-bit-transition section with a delay of only 5 milliseconds and 4 milliseconds respectively, which establishes that these are required.…”

“…There are six start sections need to be considered: [0,1), [5,6), [6,7), [7,8), [8,9), and [14,15). They themselves are in the non-bit-transition section except [5,6) and [7,8).…”

“…In the modernization of GPS, the length of L1C signal secondary encoding is 1800, whose period is 18 s and the code rate is 100 bps (bit per second). The Neumann-Hoffman code (NH code for short) is encoded in both the data channel and pilot channel of L5C signal, but the length are 10 and 20 respectively [9]. The Galileo system encodes the secondary code of a different period and different length in every channel [10].…”