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ts_125331v120300p

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3GPP TS 25.331 version 12.3.0 Release 12<br />

1245<br />

ETSI TS 125 331 V12.3.0 (2014-10)<br />

Information Element/Group<br />

name<br />

Need Multi Type and<br />

Reference<br />

GANSS TOD MP Integer(0..59<br />

)<br />

Data Bit Assistance List MP 1 to<br />

<br />

>Satellite ID MP Integer<br />

(0..63)<br />

>Data bit assistance Sgn List MP 1 to<br />

<br />

>>GANSS Signal ID MP GANSS<br />

Signal ID<br />

10.3.3.45a<br />

>>Data Bi<strong>ts</strong> MP Bit string<br />

(1..1024)<br />

Semantics description<br />

Refererence time (modulo 1<br />

minute) of the first bit of the<br />

data in IE “Data Bi<strong>ts</strong>”, in<br />

seconds<br />

The following fields are<br />

present N_Sat times, with ≤ 1<br />

≤ N_Sat maxGANSSSat<br />

Identifies the satellite and is as<br />

defined in Note 2 of<br />

10.3.7.88b.<br />

The following fields are<br />

present N_Sgn times, with ≤ 1<br />

≤ N_Sgn maxSgnType<br />

Raw data bi<strong>ts</strong> as transmitted<br />

from a specific satellite at the<br />

time indicated by<br />

GANSS_TOD.<br />

In case of Galileo, it contains<br />

the FEC encoded and<br />

interleaved modulation<br />

symbols. The logical levels 1<br />

and 0 correspond to signal<br />

levels -1 and +1, respectively.<br />

N_BIT is the actual number of<br />

elemen<strong>ts</strong> in Data bi<strong>ts</strong>: ≤ 1<br />

≤ N_BIT 1024.<br />

In case of Modernized GPS<br />

L1C, it contains the encoded<br />

and interleaved modulation<br />

symbols as defined in [70]<br />

section 3.2.3.1.<br />

In case of Modernized GPS<br />

L2C, it contains either the NAV<br />

data modulation bi<strong>ts</strong>, the FEC<br />

encoded NAV data modulation<br />

symbols, or the FEC encoded<br />

CNAV data modulation<br />

symbols, dependent on the<br />

current signal configuration of<br />

this satellite as defined in [68,<br />

Table 3-III].<br />

In case of Modernized GPS<br />

L5, it contains the FEC<br />

encoded CNAV data<br />

modulation symbols as defined<br />

in [69].<br />

In case of SBAS, it contains<br />

the FEC encoded data<br />

modulation symbols as defined<br />

in [71].<br />

In case of QZSS QZS-L1, it<br />

contains the NAV data<br />

modulation bi<strong>ts</strong> as defined in<br />

[72] section 5.2. In case of<br />

QZSS QZS-L1C, it contains<br />

the encoded and interleaved<br />

modulation symbols as defined<br />

in [72] section 5.3. In case of<br />

QZSS QZS-L2C, it contains<br />

the encoded modulation<br />

symbols as defined in [72]<br />

section 5.5. In case of QZSS<br />

QZS-L5, it contains the<br />

Version<br />

REL-7<br />

REL-7<br />

REL-7<br />

REL-7<br />

REL-7<br />

REL-7<br />

REL-8<br />

ETSI

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