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- 11-07-2005, 04:37 AM #1John S.Guest
Has anyone heard anythng about Sprint using the CDMA technology on their
newly aquired Nextel frequencies?
› See More: CDMA at 800MHz
- 11-07-2005, 09:52 AM #2John RichardsGuest
Re: CDMA at 800MHz
"John S." <[email protected]> wrote in message news:[email protected]...
> Has anyone heard anythng about Sprint using the CDMA technology on their
> newly aquired Nextel frequencies?
No. Has the FCC even said such use would be permitted?
--
John Richards
- 11-07-2005, 01:04 PM #3Isaiah BeardGuest
Re: CDMA at 800MHz
John S. wrote:
> Has anyone heard anythng about Sprint using the CDMA technology on their
> newly aquired Nextel frequencies?
That's a definite no, at least for the next few years. Sprint has
committed to continue iDEN support until at least 2010. Given that iDEN
is spectrum-hungry, Sprint cannot really deploy CDMA on 800Mhz without
decommissioning iDEN first.
Further, there's rumor and sepculation that Sprint intends to SELL the
iDEN infrastructure, including spectrum, to the federal government after
the 2010 date, in exchange for spectrum in higher frequency ranges (2Ghz
and up). The speculation is that this is for future WiMAX development.
Either way, it's unlikely you'll see CDMA for Sprint on 800MHz anytime
soon, if at all. Unless they acquire a traditional cellualr company
with an A or B block license.
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- 11-07-2005, 06:37 PM #4O/SirisGuest
Re: CDMA at 800MHz
In article <[email protected]>,
[email protected] says...
> Has anyone heard anythng about Sprint using the CDMA technology on their
> newly aquired Nextel frequencies?
>
I can't see how this could *ever* happen. Unless I grossly misread
something, Nextel entered into an agreement to abandon that spectrum in
exchange for a greatly reduced price on spectrum at 2.5GHz.
As I recall, that's one of the precipitating events that led Sprint to
"merge with" Nextel. And yeah, as Isaiah said, this was to support
anticipated rollout of WiMAX in the future.
As I recall, anyway. I'm trying to locate, without luck, the sources
that led me to believe this.
--
RØß
O/Siris
-+-
A thing moderately good
is not so good as it ought to be.
Moderation in temper is always a virtue,
but moderation in principle is always a vice.
+Thomas Paine, "The Rights of Man", 1792+
- 11-07-2005, 07:25 PM #5Jerome ZelinskeGuest
Re: CDMA at 800MHz
It might be a good idea for Sprint not to launch iden on the new
frequencies, but go straight to cdma.
O/Siris wrote:
> In article <[email protected]>,
> [email protected] says...
>
>>Has anyone heard anythng about Sprint using the CDMA technology on their
>>newly aquired Nextel frequencies?
>>
>
>
> I can't see how this could *ever* happen. Unless I grossly misread
> something, Nextel entered into an agreement to abandon that spectrum in
> exchange for a greatly reduced price on spectrum at 2.5GHz.
>
> As I recall, that's one of the precipitating events that led Sprint to
> "merge with" Nextel. And yeah, as Isaiah said, this was to support
> anticipated rollout of WiMAX in the future.
>
> As I recall, anyway. I'm trying to locate, without luck, the sources
> that led me to believe this.
>
- 11-07-2005, 11:34 PM #6John RichardsGuest
Re: CDMA at 800MHz
Unfortunately, the Nextel push-to-talk feature does not work as well
on CDMA, and Sprint would piss off the Nextel customers who depend
on low latency PTT.
--
John Richards
"Jerome Zelinske" <[email protected]> wrote in message news:[email protected]...
> It might be a good idea for Sprint not to launch iden on the new
> frequencies, but go straight to cdma.
>
>
> O/Siris wrote:
>> In article <[email protected]>,
>> [email protected] says...
>>
>>>Has anyone heard anythng about Sprint using the CDMA technology on their
>>>newly aquired Nextel frequencies?
>>>
>>
>>
>> I can't see how this could *ever* happen. Unless I grossly misread
>> something, Nextel entered into an agreement to abandon that spectrum in
>> exchange for a greatly reduced price on spectrum at 2.5GHz.
>>
>> As I recall, that's one of the precipitating events that led Sprint to
>> "merge with" Nextel. And yeah, as Isaiah said, this was to support
>> anticipated rollout of WiMAX in the future.
>>
>> As I recall, anyway. I'm trying to locate, without luck, the sources
>> that led me to believe this.
>>
- 11-08-2005, 01:15 PM #7Isaiah BeardGuest
Re: CDMA at 800MHz
John Richards wrote:
> Unfortunately, the Nextel push-to-talk feature does not work as well
> on CDMA, and Sprint would piss off the Nextel customers who depend
> on low latency PTT.
EVDO Revision A is slated to fix the latency problem.
--
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Transpose the c's and a's in my e-mail address to reply.
- 11-08-2005, 10:21 PM #8O/SirisGuest
Re: CDMA at 800MHz
In article <[email protected]>,
[email protected] says...
> It might be a good idea for Sprint not to launch iden on the new
> frequencies, but go straight to cdma.
>
By the time the new frequencies come into play (again, as I understand
the plans), it'll be a moot point.
What I understood is that those new frequencies will be used for WiMAX,
and "cellular/PCS" service, including iDEN, will stay at 1900.
If, that is, WiMAX pans out.
--
RØß
O/Siris
-+-
A thing moderately good
is not so good as it ought to be.
Moderation in temper is always a virtue,
but moderation in principle is always a vice.
+Thomas Paine, "The Rights of Man", 1792+
- 02-11-2006, 12:12 AM #9JeremyGuest
Re: CDMA at 800MHz
"Isaiah Beard" <[email protected]> wrote in message
news:[email protected]...
>
> Further, there's rumor and sepculation that Sprint intends to SELL the
> iDEN infrastructure, including spectrum, to the federal government after
> the 2010 date, in exchange for spectrum in higher frequency ranges (2Ghz
> and up). The speculation is that this is for future WiMAX development.
>
>
Nextel has been under fire in Philadelphia because our Fire Department's new
digital communications system seems to be blocked whenever a firefighter
tries to go on the air while in proximity to a Nextel tower. Motorola, who
engineered the fire dept communications network, has been unable to explain
what is going on. All we know is that firefighters' safety is compromised
when they can't transmit or receive while in burning buildings.
There was talk about the FCC giving Nextel a different frequency spectrum
(this was pre-merger). I don't know what the current status is. The Fire
Department says only that there is a correlation between communications not
working and the existence of nearby Nextel towers. Motorola won't admit
fault, but they can't fix the problem, either. Nextel was denying any
responsibility, saying that they were in full compliance with FCC
specifications.
- 02-12-2006, 12:23 AM #10Isaiah BeardGuest
Re: CDMA at 800MHz
Jeremy wrote:
> Nextel has been under fire in Philadelphia because our Fire Department's new
> digital communications system seems to be blocked whenever a firefighter
> tries to go on the air while in proximity to a Nextel tower. Motorola, who
> engineered the fire dept communications network, has been unable to explain
> what is going on. All we know is that firefighters' safety is compromised
> when they can't transmit or receive while in burning buildings.
I'm not surprised. All you need is a set of stereo speakers, and you'll
be able to detect an active Nextel phone from 10 yards away. iDEN gear
is notorious for the amount of spurious RF interference they spew.
> There was talk about the FCC giving Nextel a different frequency spectrum
> (this was pre-merger). I don't know what the current status is.
The current status is that the FCC is going ahead with Phase one of what
it calls "re-banding." In other words, Nextel is being forced to swap
licenses with law enforcement agencies and other licensees in the same
800MHZ bands so that Nextel is as far as possible towards one end or the
band, while the public safety agencies are at the extreme other end.
The hope is that if the two networks are kept as far away from each
other ass possible, the interference and blocking issues will diminish.
The drawback of course, is that while most Nextel handsets were designed
to be all over the 800Mhz SMR spectrum if need be and thus need very
little intervention to allow this to happen, most public safety agencies
have gear that was specifically and permanently tuned to a very narrow
set of channels, and they now have to go through great expense to get
their radio gear re-tuned to whatever new frequencies they're assigned.
> The Fire
> Department says only that there is a correlation between communications not
> working and the existence of nearby Nextel towers. Motorola won't admit
> fault, but they can't fix the problem, either. Nextel was denying any
> responsibility, saying that they were in full compliance with FCC
> specifications.
Being FCC compliant doesn't mean squat. All one needs to do is put a
Nextel phone near a monitor or a set of speakers, and then make the
phone ring, to see what I'm talking about.
--
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Transpose the c's and a's in my e-mail address to reply.
- 02-13-2006, 06:28 PM #11Chris SweeneyGuest
Re: CDMA at 800MHz
Try that with alot of phones and not just Nextel and you will hear it.
Actually every phone I have ever tried it with will do it except
Verizon/Sprint CDMA phones.
Isaiah Beard wrote:
> Jeremy wrote:
>
>> Nextel has been under fire in Philadelphia because our Fire
>> Department's new digital communications system seems to be blocked
>> whenever a firefighter tries to go on the air while in proximity to a
>> Nextel tower. Motorola, who engineered the fire dept communications
>> network, has been unable to explain what is going on. All we know is
>> that firefighters' safety is compromised when they can't transmit or
>> receive while in burning buildings.
>
> I'm not surprised. All you need is a set of stereo speakers, and you'll
> be able to detect an active Nextel phone from 10 yards away. iDEN gear
> is notorious for the amount of spurious RF interference they spew.
>
>> There was talk about the FCC giving Nextel a different frequency
>> spectrum (this was pre-merger). I don't know what the current status
>> is.
>
> The current status is that the FCC is going ahead with Phase one of what
> it calls "re-banding." In other words, Nextel is being forced to swap
> licenses with law enforcement agencies and other licensees in the same
> 800MHZ bands so that Nextel is as far as possible towards one end or the
> band, while the public safety agencies are at the extreme other end. The
> hope is that if the two networks are kept as far away from each other
> ass possible, the interference and blocking issues will diminish.
>
> The drawback of course, is that while most Nextel handsets were designed
> to be all over the 800Mhz SMR spectrum if need be and thus need very
> little intervention to allow this to happen, most public safety agencies
> have gear that was specifically and permanently tuned to a very narrow
> set of channels, and they now have to go through great expense to get
> their radio gear re-tuned to whatever new frequencies they're assigned.
>
>
>> The Fire Department says only that there is a correlation between
>> communications not working and the existence of nearby Nextel towers.
>> Motorola won't admit fault, but they can't fix the problem, either.
>> Nextel was denying any responsibility, saying that they were in full
>> compliance with FCC specifications.
>
> Being FCC compliant doesn't mean squat. All one needs to do is put a
> Nextel phone near a monitor or a set of speakers, and then make the
> phone ring, to see what I'm talking about.
>
>
>
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