cellular communications wimax. what is wimax? fixed wimax

24
CELLULAR COMMUNICATIONS WiMax

Upload: jasmin-jefferson

Post on 03-Jan-2016

285 views

Category:

Documents


2 download

TRANSCRIPT

Page 1: CELLULAR COMMUNICATIONS WiMax. What is WiMax? Fixed WiMax

CELLULAR COMMUNICATIONS

WiMax

Page 2: CELLULAR COMMUNICATIONS WiMax. What is WiMax? Fixed WiMax

What is WiMax?

Page 3: CELLULAR COMMUNICATIONS WiMax. What is WiMax? Fixed WiMax

Fixed WiMax

Page 4: CELLULAR COMMUNICATIONS WiMax. What is WiMax? Fixed WiMax

Mobile WiMax

Page 5: CELLULAR COMMUNICATIONS WiMax. What is WiMax? Fixed WiMax

WiMax is Not WiFi

Page 6: CELLULAR COMMUNICATIONS WiMax. What is WiMax? Fixed WiMax

WiMax Indoor CPE

Page 7: CELLULAR COMMUNICATIONS WiMax. What is WiMax? Fixed WiMax

P2P and PMP

Page 8: CELLULAR COMMUNICATIONS WiMax. What is WiMax? Fixed WiMax

LOS and NLOS

Page 9: CELLULAR COMMUNICATIONS WiMax. What is WiMax? Fixed WiMax

Antennas and Radios

Page 10: CELLULAR COMMUNICATIONS WiMax. What is WiMax? Fixed WiMax

Adaptive Antenna Systems

Page 11: CELLULAR COMMUNICATIONS WiMax. What is WiMax? Fixed WiMax

QoS

Page 12: CELLULAR COMMUNICATIONS WiMax. What is WiMax? Fixed WiMax

QoS

Page 13: CELLULAR COMMUNICATIONS WiMax. What is WiMax? Fixed WiMax

Fixed Wireless Applications

Page 14: CELLULAR COMMUNICATIONS WiMax. What is WiMax? Fixed WiMax

Alternatives

Page 15: CELLULAR COMMUNICATIONS WiMax. What is WiMax? Fixed WiMax

Low Barrier To Entry

Page 16: CELLULAR COMMUNICATIONS WiMax. What is WiMax? Fixed WiMax

16

Wireless Standards 4 main usage segments are specified

Range, Power, …

Page 17: CELLULAR COMMUNICATIONS WiMax. What is WiMax? Fixed WiMax

NDSLab Copyright@2008

17

WiMAX on the Path of Fixed/Mobile Convergence

Fixed

Mobile

Will Convergence

Wi-Fi WCDMA 802.16 (WiMAX)

Spectrum 2.4G, 5.8GHz (Unlicensed)

Around 2GHz (Licensed)

2~11, 10~66 GHz(Licensed, Unlicensed)

Channel Access Contention-based Scheduled Scheduled

Bit Rate Up to 54Mbps Up to 2Mbps Up to 75 Mbps

Mobility Fixed, Portable Mobile Fixed, Portable, Mobile

Modulation Scheme CDMA, OFDM CDMA OFDM, OFDMA

Typical Communication

Range100s meters 10s kilo-meters 10s kilo-meters

Page 18: CELLULAR COMMUNICATIONS WiMax. What is WiMax? Fixed WiMax

Comparison

Speed Price Ubiquity Convenience Localization

Key Value Offerings

Rel

ativ

e Le

vel

3GWLANWiMAXwired

Page 19: CELLULAR COMMUNICATIONS WiMax. What is WiMax? Fixed WiMax

19

Deployment of WiMAX Service

Source: WiMAX Forum/Siemens

Backhaul Feeding Point-to-point link for fixed

infrastructure Fixed Wireless Access

Wireless local loop for hot-spot feeding

Nomadic Access CPEs in hot-zone access

the service directly Portable/Mobile Access

Handover function enabling mobile data feeding

Page 20: CELLULAR COMMUNICATIONS WiMax. What is WiMax? Fixed WiMax

Mobile Performance Today

802.16m leads in performance. 802.16e leads in performance and availability

Technology Required

Spectrum

Standards

Completion

(Expected)

Peak Throughput

(Mbps)

Avg. Spectral Efficiency

(bits/sec/Hz/Sector)

Sleep to Active

Latency

DL UL DL UL

802.16e/Mobile WiMAX Release 1.0 2x2 MIMO TDD

10 MHz(5:3)

Dec. 2005 40 17 1.4 0.7 < 40 ms

HSPA (Release 6) FDD

2x5 MHz Mar. 2005 14 6 0.5 0.3 250 ms

HSPA+ (Release 8)2x2 MIMO FDD

2x5 MHz Dec. 2008 42 12 0.8 0.5 50 ms

LTE (Release 8) 2x2 MIMO FDD

2x10 MHz

Mar. 2009 86 38 1.6 0.8 10 ms

LTE (Release 10)4x4 MIMO FDD

2x10 MHz

(Q1 2011) 160 80 2.4 2.1 <10ms

802.16m4x4 MIMO TDD

20 MHz(5:3)

(Q3, 2010) 170 90 2.9 2.5 <10 ms

Page 21: CELLULAR COMMUNICATIONS WiMax. What is WiMax? Fixed WiMax
Page 22: CELLULAR COMMUNICATIONS WiMax. What is WiMax? Fixed WiMax
Page 23: CELLULAR COMMUNICATIONS WiMax. What is WiMax? Fixed WiMax
Page 24: CELLULAR COMMUNICATIONS WiMax. What is WiMax? Fixed WiMax