Multiple SureSignal Enterprise devices behind a single ADSL connection

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godber

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#107934 22-Aug-2012 10:45

Have purchase a Sure Signal Enterprise for a farm.

Based on a Google search am guessing that the Vodafone NZ SureSignal Enterprise is the Alcatel-Lucent 9362 Version 1.5, does anyone know if that is correct?

Based on Alcatel-Lucent documents the Sure Signal Enterprise seem to be able to seamless hand off to each other and to the 'macro network' (cell towers) , again does anyone know if this is correct?

The farm has a 'shed' which is about 120m from the main house, as per the title was wondering if it is possible to have two Sure Signal Enterprise devices behind a single ADSL router and if so would the two SureSignal devices had off a mobile voice call to each other?

Have searched the Internet and it seems that in Europe sometimes you can have two devices behind a single real IP, seems that know-one is sure why it works sometimes and does not others. Has anyone tried it?

An alternative would be to allocate via DHCP a real IP to the SureSignal devices, does anyone know if Vodafone would facilitate that?

Also does the MTU setting have to be 1500 for SureSignal to work, seems in Europe the MTU setting matters in some cases depending on whether the ISP correctly fragments packets, reason am asking is would prefer to use a bridged set-up.

Have tried two modems the Vodafone hg556a and a Speedtouch ST5x6v6. The Speedtouch is is in bridge mode to a WRT54GL behind it. The speed difference is about 500 kbps, both are about 500 kbps up but the Speedtouch is about 3500 kbps down while the hg556a is about 2950 kbps down. Attenuation is 55-58db and line length is about 4.2km. The exchange is ADSL1 only and both modems are set to an ADSL1 profile

Finally Alcatel-Lucent have an outdoor version of the SureSignal device in the 9360 family, will it be available in NZ?

Thanks

Godfrey
Auckland/Coroglen, New Zealand
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johnr

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#675397 22-Aug-2012 10:52

Yes you can have more than 1 Sure Signal unit on a single ADSL connection but they would work better if connected to a ADSL2+ connection

Yes Voice calls should hand between 2 Sure Signal units

Sure Signal is plug and use so you should not need to alter any of the settings, I can't comment really around the setup you want to do

We can't talk about future plans / devices on a public forum

John

godber

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#675860 23-Aug-2012 11:37

Thanks for that information John, great news re hand-off and multiple SureSignal devices behind a single connection, was not trying to get you to disclose confidential information was thinking I might have missed some public information.

There has been some discussion in another thread that boosters/repeaters etc must be licensed.

What licence covers the SureSignal device?

(For those who do not know you can search for a radio licence at http://www.rsm.govt.nz/smart-web/smart/page/-smart/WelcomePage.wdk)

In terms of boosters, RSM Licence 130250 among others is what allows Vodafone to control the use of mini-repeaters

See condition 5 of the licence for the warning about using unauthorised boosters/mini-repeaters

(5)If any mini-repeater that is not approved by the parties is operated within MR196 or MR197, the operator of the mini-repeater will not be acting in accordance with the rightholder’s spectrum licence and pursuant to section 103 of the Radiocommunications Act 1989 will have committed an offence against the Act. Any person who commits an offence against the Act shall be liable on summary conviction and pursuant to section 118 of the Act, Vodafone Mobile NZ Limited may exercise its right to apply to the Court for an injunction.

However what RSM licence covers the SureSignal?

The SureSignal device is not a mini-repeater as a mini repeater is specifically defined as "equipment that supports bidirectional amplification of uplink (MR137) and downlink (MR196) cellular sub-bands. The output of a mini-repeater is basically an amplified rebroadcast of any input emission. A mini-repeater installation is used to provide supplementary coverage in a defined location that is not well-served directly by a Vodafone New Zealand Ltd base station, with mini-repeater technical parameters that are acceptable to Vodafone New Zealand Ltd."

Is the SureSignal device covered by licence 135048 if so seems strange as that licence "applies only to Vodafone New Zealand Limited-approved transportable base stations installed temporarily for special events and emergency requirements" but the use of the SureSignal device is not really temporary so cannot see how it is covered by this licence.

Please note not trying to avoid Vodafone's rights just trying to understand what RSM licence covers the SureSignal as even Vodafone must need a licence, even though they have the management rights (MR196 and MR197)

Thanks

johnr

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#675863 23-Aug-2012 11:41

Sure Signal uses it own 5Mhz carrier so can't cause issues in other parts of the 2100Mhz band owned by Vodafone NZ or impact other carriers that use the 2100Mhz band IE Telecom NZ and 2Degrees

Sure Signal is not a RF amp

oxnsox

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#675866 23-Aug-2012 11:52

Sure signal is in effect a mini-cell, not a mini repeater.

godber

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#675885 23-Aug-2012 12:24

johnr: Sure Signal uses it own 5Mhz carrier so can't cause issues in other parts of the 2100Mhz band owned by Vodafone NZ or impact other carriers that use the 2100Mhz band IE Telecom NZ and 2Degrees

Sure Signal is not a RF amp

Agreed SureSignal is not an RF amp (it is a femtocell) therefore as I said above it it cannot be covered by licence 130250

But even though it uses its own 5Mhz carrier, to use that 5Mhz carrier there must be an RSM licence and as above I as wondering what licence covers the SureSignal femtocell as surely it must be covered by a licence?

Thanks

johnr

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#675899 23-Aug-2012 12:51

It's a mini cell site what else do you need to know? Vodafone and other carriers have these all over NZ

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godber

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#675936 23-Aug-2012 14:01

johnr: It's a mini cell site what else do you need to know? Vodafone and other carriers have these all over NZ

All I wanted to know was what "Radio Spectrum Management" licence covered the SureSignal. Sorry I do not see this as a hard question, the frequencies used by the SureSignal must surely have a licence covering their use, so all I wanted to know was which licence granted to Vodafone covered the use of the frequencies used by Vodafone for the SureSignal device.

While there are cells sites all over NZ they are all covered by a licence which are searchable on the Radio Spectrum Management website, except for temporary cell sites you cannot just plonk a cell site in any location, so there must be a licence.

Vodafone UK lists the frequencies used in the UK version of the SureSignal as "UARFCN downlink 10687 uplink 9737. This gives a download frequency of 2137.4 MHz and upload frequency of 1947.4 MHz" I tried searching those frequencies on the RSM website but in NZ Vodafone does not have an RSM licence for those frequencies (at least not one listed in the database) so am guessing the frequencies are not the same in NZ.

Really how hard is it to say, use of the receiving and transmitting frequencies of a SureSignal device is covered by licence number XYZ.

To conclude ALL I want to know is what RSM licence covers the use of the SureSignal in NZ?