ts_125331v120300p

3GPP TS 25.331 version 12.3.0 Release 12
1230
ETSI TS 125 331 V12.3.0 (2014-10)
correction
(seconds) [69, 72]
GLONASS Satellite Clock Model OP NOTE REL-8
(“Model 4”)
>τ n(t b) MP Bit String(22) Satellite clock offset
REL-8
(seconds) [73]
>γ n(t b) MP Bit String(11) Relative frequency offset from REL-8
nominal value
(dimensionless) [73]
>Δτ n OP Bit String(5) Time difference between REL-8
transmission in G2 and G1
(seconds) [73]
SBAS Satellite Clock Model OP NOTE REL-8
(“Model 5”)
>t 0 MP Bit String(13) (seconds) [71] REL-8
>a Gfo MP Bit String(12) (seconds) [71] REL-8
>a Gf1 MP Bit String(8) (sec/sec) [71] REL-8
BDS Satellite Clock Model OP NOTE REL-12
("Model 6")
>toc MP BIT STRING Time of clock
REL-12
(17)
(seconds) [86]
>a0 MP BIT STRING
(24)
Clock correction polynomial
coefficient
REL-12
>a1 MP BIT STRING
(22)
>a2 MP BIT STRING
(11)
>TGD1 MP BIT STRING
(10)
(seconds) [86]
Clock correction polynomial
coefficient
(sec/sec) [86]
Clock correction polynomial
coefficient
(sec/sec2) [86]
Equipment Group Delay
Differential
(seconds) [86]
REL-12
REL-12
REL-12
NOTE:
This IE shall contain exactly one of the optional fiels indicated by "NOTE".
10.3.7.92 UE positioning GPS ionospheric model
The IE contains fields needed to model the propagation delays of the GPS signals through the ionosphere.
Information Element/Group Need Multi Type and Semantics description
name
Reference
α 0 MP Bit string(8) Note 1
α 1 MP Bit string(8) Note 1
α 2 MP Bit string(8) Note 1
α 3 MP Bit string(8) Note 1
β 0 MP Bit string(8) Note 2
β 1 MP Bit string(8) Note 2
β 2 MP Bit string(8) Note 2
β 3 MP Bit string(8) Note 2
NOTE 1: The parameters αn are the coefficients of a cubic equation representing the amplitude of the vertical delay
[12].
NOTE 2: The parameters βn are the coefficients of a cubic equation representing the period of the ionospheric
model [12].
ETSI