3rd Generation of Mobile Communications Advanced Info Service PLC.

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Radio Access BKK Composed by: W.R Edit by:

ISSUE 1- 4

Modulation Modulation Modulation

FDMA 1 FM

(Frequency modulation) 2 TDMA GMSK (Gaussian minimum-shift keying)

FSK (Frequency Shift Keying) 1 0

EDGE GSM 8PSK Radio

3 CDMA/WCDMA QPSK (Quadrature phase-shift keying) BPSK (Binary Phase Shift Keying) downlink uplink HSPA HDPA+ 16QAM 64QAM ( QPSK 16QAM 8QAM )

1 modulate WCDMA

3 Phase Phase Amplitude

QPSK 2 , 16QAM 4

(2^4=16) 64QAM 6 (2^6=64)

6

3rd Generation of Mobile Communications Advanced Info Service PLC.

2 | P a g e

Radio Access BKK Composed by: W.R Edit by:

2 QPSK

Modulation QPSK (Series) (Parallel)

90 Mod QPSK

Amplitude

3 QAM

Modulation QAM QPSK

Order Modulation 16QAM 4 64QAM 6

Amplitude-Shift keying (ASK) Phase-shift keying (PSK) 4

6 16QAM 64QAM

QPSK (Downlink) BPSK (Uplink) Modulate R99 16QAM 64QAM

(Quadrature Amplitude Modulation) HSPA HSPA+

3rd Generation of Mobile Communications Advanced Info Service PLC.

3 | P a g e

Radio Access BKK Composed by: W.R Edit by:

1 Order symbol

Order Radio

16QAM 64QAM Amplitude Power control

Modulate Power control

2ms 10ms

Order Phase Amplitude

ASK

PSK Radio Fading

(High linearity)

power amplifier

Fading Active

Passive (High linearity) Fading

Linearity

Vendor