MW Wimax urgent plz

[MINTO]

in MW 28mhz spot how much maximum traffic i can carry? & how much will be hop length in 23ghz
i got the figures as maximum 220 mbps traffic & 2km hop lenght?
is it true??/plz help

[Cepillo]

in MW 28mhz spot how much maximum traffic i can carry? & how much will be hop length in 23ghz
i got the figures as maximum 220 mbps traffic & 2km hop lenght?
is it true??/plz help

It depends of the modulation. If your mw supports 128QAM, 256QAM, or OFDM technology, you can have more than 220 mbs.
28MGz=14MGzTx+14MGzRx, or 28MGz*2? and is the maximum 220 mbps traffic duplex or half?

[Cepillo]

It depends of the modulation. If your mw supports 128QAM, 256QAM, or OFDM technology, you can have more than 220 mbs.
28MGz=14MGzTx+14MGzRx, or 28MGz*2? and is the maximum 220 mbps traffic duplex or half?

For example:
DragonWave AirPair
DragonWave’s first point to point Ethernet delivery solution
11-38 GHz Frequency Support
7 MHz – 56 MHz channel spacing
200 Mbps full duplex capacity
Max 64qam modulation

Horizon Duo
11 GHz – 38 GHz radio bands
7 MHz – 56 MHz channel spacing
QPSK; 16, 32, 64, 128 & 256 QAM
Up to 800 Mbps throughput
Gig E Interface
Optical and copper variants

Look at the Ceragon solution

FibeAir Family
FibeAir
 1500/1528
FibeAir
 1500A/1528A
FibeAir
 1500S/1528S
FibeAir
 1500P
FibeAir
 1500AL

[byja]

Are you asking for a MW link? If so, then the answer is not that simple.

Here's the capacity vs bandwidth vs modulation for Nera equipment:

http://tesla.rcub.bg.ac.rs/%7Evmarko37/mw/Picture2.png

This is actual capacity of the radio, so you see that for 28 MHz you have around 180 Mbps capacity.
The thing is, there are two types of "capacities", usefull (L2) and total (L1) capacity. Some vendors give data for total capacity just to look better, but such capacity can not actually be used completely. For example, with 64 bytes ethernet frame you can gain really much on capacity with interframe gap removal, but don't forget that overhead for 64 bytes ethernet frame without VLAN tags and such is more than 28% (18/64 bytes are SA, DA, CRC and ET). For example for this radio maximum L1 capacity is 227 Mbps, but that's only 163 Mbps of L2 capacity.
Don't forget that you can double the capacity of the channel by using both polarisations with CCDP/XPIC system.

Range of the link depends on many parameters, output power, antenna size and climate. 23 GHz is very prone to outages caused by rainfall, so in Sahara you can build links up to 40 kms or more, whereas in tropics you can't go more than 5-6 kms. Also, with adaptive modulation it gets even more complicated with variations in range, outage percentage and capacity.
For continental Europe I'd say no more than 10 km for 23 GHz links.