Comparison
The following table shows a comparison of IMT-Advanced candidate systems as well as other competing technologies.
| Common Name |
Family | Primary Use | Radio Tech | Downstream (Mbit/s) |
Upstream (Mbit/s) |
Notes |
|---|---|---|---|---|---|---|
| HSPA+ | 3GPP | Used in 4G | CDMA/FDD MIMO |
21 42 84 672 |
5.8 11.5 22 168 |
HSPA+ is widely deployed. Revision 11 of the 3GPP states that HSPA+ is expected to have a throughput capacity of 672 Mbit/s. |
| LTE | 3GPP | General 4G | OFDMA/MIMO/SC-FDMA | 100 Cat3 150 Cat4 300 Cat5 (in 20 MHz FDD) |
50 Cat3/4 75 Cat5 (in 20 MHz FDD) |
LTE-Advanced update expected to offer peak rates up to 1 Gbit/s fixed speeds and 100 Mb/s to mobile users. |
| WiMax rel 1 | 802.16 | WirelessMAN | MIMO-SOFDMA | 37 (10 MHz TDD) | 17 (10 MHz TDD) | With 2x2 MIMO. |
| WiMax rel 1.5 | 802.16-2009 | WirelessMAN | MIMO-SOFDMA | 83 (20 MHz TDD) 141 (2x20 MHz FDD) |
46 (20 MHz TDD) 138 (2x20 MHz FDD) |
With 2x2 MIMO.Enhanced with 20 MHz channels in 802.16-2009 |
| WiMAX rel 2 | 802.16m | WirelessMAN | MIMO-SOFDMA | 2x2 MIMO 110 (20 MHz TDD) 183 (2x20 MHz FDD) 4x4 MIMO 219 (20 MHz TDD) 365 (2x20 MHz FDD) |
2x2 MIMO 70 (20 MHz TDD) 188 (2x20 MHz FDD) 4x4 MIMO 140 (20 MHz TDD) 376 (2x20 MHz FDD) |
Also, low mobility users can aggregate multiple channels to get a download throughput of up to 1 Gbit/s |
| Flash-OFDM | Flash-OFDM | Mobile Internet mobility up to 200 mph (350 km/h) |
Flash-OFDM | 5.3 10.6 15.9 |
1.8 3.6 5.4 |
Mobile range 30 km (18 miles) extended range 55 km (34 miles) |
| HIPERMAN | HIPERMAN | Mobile Internet | OFDM | 56.9 | ||
| Wi-Fi | 802.11 (11n) |
Mobile Internet | OFDM/MIMO | 288.8 (using 4x4 configuration in 20 MHz bandwidth) or 600 (using 4x4 configuration in 40 MHz bandwidth) |
Antenna, RF front end enhancements and minor protocol timer tweaks have helped deploy long range P2P networks compromising on radial coverage, throughput and/or spectra efficiency (310 km & 382 km) |
|
| iBurst | 802.20 | Mobile Internet | HC-SDMA/TDD/MIMO | 95 | 36 | Cell Radius: 3–12 km Speed: 250 km/h Spectral Efficiency: 13 bits/s/Hz/cell Spectrum Reuse Factor: "1" |
| EDGE Evolution | GSM | Mobile Internet | TDMA/FDD | 1.6 | 0.5 | 3GPP Release 7 |
| UMTS W-CDMA HSDPA+HSUPA |
UMTS/3GSM | General 3G | CDMA/FDD CDMA/FDD/MIMO |
0.384 14.4 |
0.384 5.76 |
HSDPA is widely deployed. Typical downlink rates today 2 Mbit/s, ~200 kbit/s uplink; HSPA+ downlink up to 56 Mbit/s. |
| UMTS-TDD | UMTS/3GSM | Mobile Internet | CDMA/TDD | 16 | Reported speeds according to IPWireless using 16QAM modulation similar to HSDPA+HSUPA | |
| EV-DO Rel. 0 EV-DO Rev.A EV-DO Rev.B |
CDMA2000 | Mobile Internet | CDMA/FDD | 2.45 3.1 4.9xN |
0.15 1.8 1.8xN |
Rev B note: N is the number of 1.25 MHz chunks of spectrum used. EV-DO is not designed for voice, and requires a fallback to 1xRTT when a voice call is placed or received. |
Notes: All speeds are theoretical maximums and will vary by a number of factors, including the use of external antennae, distance from the tower and the ground speed (e.g. communications on a train may be poorer than when standing still). Usually the bandwidth is shared between several terminals. The performance of each technology is determined by a number of constraints, including the spectral efficiency of the technology, the cell sizes used, and the amount of spectrum available. For more information, see Comparison of wireless data standards.
For more comparison tables, see bit rate progress trends, comparison of mobile phone standards, spectral efficiency comparison table and OFDM system comparison table.
Read more about this topic: IMT Advanced
Famous quotes containing the word comparison:
“Clay answered the petition by declaring that while he looked on the institution of slavery as an evil, it was ‘nothing in comparison with the far greater evil which would inevitably flow from a sudden and indiscriminate emancipation.’”
—State of Indiana, U.S. public relief program (1935-1943)
“I have travelled a good deal in Concord; and everywhere, in shops, and offices, and fields, the inhabitants have appeared to me to be doing penance in a thousand remarkable ways.... The twelve labors of Hercules were trifling in comparison with those which my neighbors have undertaken; for they were only twelve, and had an end; but I could never see that these men slew or captured any monster or finished any labor.”
—Henry David Thoreau (1817–1862)
“The difference between human vision and the image perceived by the faceted eye of an insect may be compared with the difference between a half-tone block made with the very finest screen and the corresponding picture as represented by the very coarse screening used in common newspaper pictorial reproduction. The same comparison holds good between the way Gogol saw things and the way average readers and average writers see things.”
—Vladimir Nabokov (1899–1977)