BTC Z22 Uživatelský manuál stáhnout pdf (Strana 41)

Version 02.00, November 2014

Rohde & Schwarz R&S

BTC Broadcast Test Center 41

Fading simulator (R&S

BTC-B1031 and R&S

BTC-B1032 options)

All frequency and time settings are coupled to the internal/external reference frequency.

Number of fading paths (per simulator)

SISO

MIMO

Start seed

0 to 9

Fading profiles

basic statistic functions

static path, pure Doppler, Rayleigh, Rice,

constant phase, Gauss

DVB

Easy3, 0 dB Echo, FX Echo, PT Echo,

SFN Echo, TU6, RA6, RC20_ANX_B,

RL6 ANX B, RL20 ANX B, RED HT100,

ET50, Validate100, RC12 ANX B,

RL 12 ANX B, TU3 12paths,

TU50 12paths, HT100 12paths,

MBRAI portable, DVBH ICT, DVBH SFN

ICT, DVBH PT, DVBH SFN PT, IEC 62002

Portable, PI 3 km/h, PO 3 km/h,

VU 30 km/h, MR 100 km/h

ATTC

A APP A, B APP A, C APP A, D APP A,

E APP A, F APP A, G APP A, 15us APP

B, 1APP C, 2 APP C, 3 APP C, Brazil A,

Brazil B, Brazil C, Special Brazil C,

Modified Brazil C, Brazil D, Modified

Brazil D, Brazil E, CRC Dynamic #1, CRC

Dynamic #2, CRC Dynamic #3, CRC

Dynamic #4, ACATS Ensemble A

DAB

RA4 DAB(120km/h), RA6 DAB(120km/h),

TU12 DAB(25km/h), TU6 DAB(25km/h),

DAB SFN(60km/h)

DAB Gauss profile requires

R&S

BTC-K1032

DRM

Gauss Watters profile

Fading profile parameter

Rayleigh

pseudo-noise interval

> 1 year

Constant phase

phase

0° to 360°

phase resolution

1°

Pure Doppler

maximum resulting Doppler shift

frequency ratio × current Doppler

frequency

frequency ratio

–1 to +1

resolution

0.01

Rician

combination of Rayleigh and pure Doppler

power ratio

–30 dB to +30 dB

Gauss Doppler

sum of pure Doppler and Gaussian

distribution

in line with IEC 62002-1, Edition 2.0

Gauss (0.08fd)

Gaussian distribution

Gauss (0.1fd)

Gaussian distribution

Gauss Watters

Gaussian distribution, shifted in frequency

in line with ITU-R F.1487

Fading path loss

setting range

0 dB to 50 dB

resolution

0.01 dB

accuracy

< 0.01 dB

Fading path delay

The 40 (SISO)/20 (MIMO) fading paths are divided in 8 (SISO)/4 (MIMO) path groups.

Each group consists of 3 fine delay and 2 standard delay paths. A basic delay can be

set per path group and an additional delay per path. The total delay per path is the sum

of the basic delay of the respective group and of the additional delay of the path.

Basic delay per group

group 1

0 s

group 2, 3, 4

0 s to 0.5 s

resolution

5 ns

Additional delay per path

fine delay path setting range

0 µs to 20 µs

fine delay path resolution

2.5 ps

standard delay path setting range

0 µs to 20 µs

standard delay path resolution

5 ns

Speed range

at f = 1 GHz

0 km/h to 4320 km/h

accuracy

< 0.1 %

Doppler frequency

setting range

0 Hz to 4000 Hz

accuracy

< 0.1 %

Restart

standard

auto, manual, external

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 63 64

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