The Evolution Of Mobile Standards

Categories

2G

GPRS

EDGE (Enhanced Data rates for GSM Evolution)

Air Interface Duplexing

Um Interface

GMSK

8-PSK

Um Interface

TDMA

Mobility/ vechile speed

<120 Km/h

<120 km/h

BW (Core)

200 kHz

 200 kHz

Peak Data Rate

56–114 kbit/second

236,8 Kbps untuk 4 TS

473,6 kbps untuk 8 TS

Average Sector Spectral Eficiency

0,15/bit/s/Hz

0,15 b/s/Hz/Sector

Latency

600–700 ms and often reaches 1s.

less than 150 ms

Voip Capacity

64 Kbps

64-235 Kbps

 

Categories

3G

HSPA

EVDO

Air Interface Duplexing

CDMA

adaptive Modulation

MIMO

Um Interface

CDMA+TDMA,  AMC (Digital Rate Control), IR Hybrid ARQ

Mobility/ vechile speed

Up to 300 Km/hour

Data rates of 144 KBit/s for 100 km/h

100 km/h

BW (Core)

5 Mhz

Rev 0: 1.25 MHz FDD, Rev A: 1,25 Mhz FDD, Rev B (multicarrier only): 5 Mhz FDD

Rec B(MC+H/W upgrade): 5 Mhz FDD

 

Categories

HSPA

EVDO

Peak Data Rate

 

14,4 Mbps downlink, maximum uplink 384 Kbps

 

Rev..0 :  2,4 Mbps Downlink, 153 kbps Uplink

Rev. A: 3,1 Mbps downlink dan 1,8 Mbps uplink

Rev. B(Multicarrier only):9,3 Mbps Downlink, 5,4 Mbps Uplink

Rev.B (MC+H/W Upgrade): 14,7 Mbps Downlink, 5,4 Mbps Uplink

 

Latency

Below 50 ms

Below 100ms

 

Categories

HSPA

EVDO

Average Sector Spectral Eficiency

0,30 bits/s/Hz

Rev 0: (D)0,6 b/s/Hz/Sector

(U) 0,125 b/s/Hz/Sector

Rev A: (D) 0,63 b/s/Hz/Sector

(U) 0,24 b/s/Hz/Sector

Voip Capacity

Up to 20 Voip Calls per sector

Rev.A =Up to 49 calls per sector

Rev B= up to 98 calls persector

Rev B.2= up to 147 per sector

Categories

4G LTE

Wimax EVO 4G

Air Interface Duplexing

OFDM, SC-FDMA

adaptive

Modulation

MIMO

OFDM(A),

adaptive

Modulation

MIMO

Mobility/ vechile speed

Speeds up to 500 km/h

up to 250 km/h

BW (Core)

Up to  5 x 20 MHz -> 100MHz

5 – 6 GHz

Peak Data Rate

Downlink: up to 326 Mbps

Uplink:   up to 86.4 Mbps

Downlink: 128 Mbps

Uplink: 56 Mbps

Average Sector Spectral Eficiency

DL ≥5 bps/Hz UL ≥ 2.5 bps/Hz

1 bps/Hz

Latency

< 5 ms

5-40 ms

Voip Capacity

>60 VoIP calls / MHz

Up to 40Voip User/Mhz

 

NB: Mohon dikoreksi jika ada yang salah yuaaa

Daftar Pustaka

2.J. Das. Review of Digital Communications. 2003
3.Whitepaper. UMTS Forum 2006. 3G/UMTS Evolution: towards a new generation of broadband mobile services
4.PYSAVY Research.  Edge, HSPA and LTE The Mobile Broadband Advantage.
5.Qualcomm. EV-DO Rev.A and B: Wireless Broadband for The Masses
9.Benoit Escrig.Mobile System.

Tinggalkan Balasan

Isikan data di bawah atau klik salah satu ikon untuk log in:

Logo WordPress.com

You are commenting using your WordPress.com account. Logout / Ubah )

Gambar Twitter

You are commenting using your Twitter account. Logout / Ubah )

Foto Facebook

You are commenting using your Facebook account. Logout / Ubah )

Foto Google+

You are commenting using your Google+ account. Logout / Ubah )

Connecting to %s