Anritsu MG3700A MG3700A Spécifications télécharger pdf (Page 91)

Product Brochure

MX3701xxA 35

● Visual Check on Frame Structure Screen

MX370108A LTE IQproducer

Displays Frame Structure screen for

confirming channel allocation status

and power of each OFDM Symbol

Display Resource Element allocation

graphically with each channel color-coded.

Y-axis: Frequency (Resource Block units)

X-axis: Time (OFDM Symbol units)

Display power relative levels of OFDM

Symbols with maximum power of 0 dB.

Y-axis: OFDM Symbol Power

X-axis: Time (OFDM Symbol units)

Frame Structure Screen

Optional

● Common Parameter Setting Range

Display Outline Setting Range

Common

Duplex Displays duplex Display only: FDD

Number of Antennas Sets number of antennas 1, 2, 4 (2 and 4 only at Downlink)

Diversity Method Sets diversity method Spatial Multiplexing, Tx Diversity

Precoding Method Sets precoding method Without CDD, Large-delay CDD

Number of Layers Sets number of layers 1, 2, 3, 4

Number of Code words Sets number of Code word 1, 2

Codebook index Sets codebook index 0 to 15

Physical-layer Cell-identity Group

NID (1)

Sets physical-layer cell-identity group NID (1)

0 to 167

Physical-layer Identity NID (2) Sets physical-layer identity NID (2) 0, 1, 2

Cell ID Displays cell ID 0 to 503

PHICH Sets ON/OFF of PHICH ON, OFF

Sets parameter (Ng) that decides the

arrangement of PHICH

1/6, 1/2

Number of Frames Sets number of frames 1 to max. number of frames in memory

Over Sampling Ratio Sets over sampling ratio 2, 4

Sampling Rate Displays sampling rate Display only: Autosetting using oversampling ratio and bandwidth

Bandwidth Sets system bandwidth 1.4, 1.6, 3.0, 3.2, 5, 10, 15, 20 MHz

DL/UL Sets downlink/uplink settings Downlink, Uplink

Cyclic Prex Sets cyclic prex Normal, Extended

Subcarrier Spacing Displays subcarrier spacing Display only

Number of OFDM symbols per slot

Displays number of OFDM symbols per slot 7 (only when Cyclic Prex = Normal), 6 (only when Cyclic Prex = Extended)

Roll Off Length Sets roll-off length for OFDM symbol

0 to 3152 Ts (when Random Access Preamble)

0 to 144 Ts (when Cyclic Prex = Normal)

0 to 512 Ts (when Cyclic Prex = Extended)

Filter

Filter Type Sets lter type Nyquist, Root Nyquist, Ideal, None

Roll Off Sets roll-off rate 0.1 to 1.0 (only enabled for Nyquist, Root Nyquist)

Filter Length Set lter tap count in sample units 1 to 1024 (only enabled for Nyquist, Root Nyquist)

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Anritsu MG3700A MG3700A Spécifications Page 91

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