[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Discuss-gnuradio] nVidia's Tegra 4 has SDR - the i500 LTE soft mode
From: |
Albert Chun-Chieh Huang |
Subject: |
Re: [Discuss-gnuradio] nVidia's Tegra 4 has SDR - the i500 LTE soft modem from Icera |
Date: |
Wed, 09 Jan 2013 01:38:59 +0800 |
User-agent: |
Gnus/5.110018 (No Gnus v0.18) Emacs/24.2 (darwin) |
According to this web page:
http://www.fudzilla.com/home/item/30024-icera-i500-is-programmable-lte
And the features of Icera's previous platforms:
http://www.nvidia.com/object/nvidia-icera-products.html
On the photo from CES, Icera i500 platform has 8 processors on it, each
one contains its own memory. From Icera's product feature page, each
platform contains one baseband chip and one RF IC. I think the photo
depicted on CES is the baseband chip only. So this SDR platform contains
8 processors, probably specialized digital signal processors that have
their own unique instruction set. Icera does not provide any
hardware/software development tool, e.g. compiler, assembler, or
emulator. So the instruction set is not open. They provide whole
baseband chip with physical/protocol layer in software, encrypted I
guess. From normal user's point of view, it will be hard to hack.
I know this because I am also from communication IC industry, even we
have flexible processors or coprocessors, we'll make it hard to hack. :p
But I won't say it's impossible, it just takes a lot of time. With those
hacking time, I'd rather spend time to build a scalable computer farm
that can do distributed SDR. I think the next move of GNU Radio is
toward this by introducing ICE?
Best Regards,
Albert Huang
Alex Zhang <address@hidden> writes:
> Can anybody explain the difference between this softmodem and other
> existing wireless baseband programmable processors?
> My understanding is that, also as Marcus mentioned, it provides more
> flexibility by this array of special CPUs instead of the prefixed
> functions/blocks, within this chip. Otherwise, it won't bring big novelty.
>
> As to the ADC/DAC and RF part, maybe we need to wait for the whole SDR
> solution to be unveiled.
>
>
> On Mon, Jan 7, 2013 at 11:29 AM, Marcus D. Leech <address@hidden> wrote:
>
>> I don't have high hopes for this specific chip - I guess the IC will be
>>> hard to buy and the modem feature on built devices will hard to hack,
>>> lacking source and documentation for its drivers, just as Android devices
>>> are hard for cyanogenmod developers to hack with.
>>>
>>> But these news do give some hope, the hope that more accessible high-end
>>> ARMs chips like TI's and Freescales' will follow up and incorporate these
>>> features in the future. Indeed, I am already working on a beaglebone-based
>>> SDR and this would be great.
>>>
>>> It looks to me like this SoftModem chip is just an array of speciality
>> CPUs. What I want to see is details of ADC/DAC and the RF-to-baseband
>> transceivers -- those aren't part of the same chip.
>>
>>
>> --
>> Marcus Leech
>> Principal Investigator
>> Shirleys Bay Radio Astronomy Consortium
>> http://www.sbrac.org
>>
>>
>>
>>
>> ______________________________**_________________
>> Discuss-gnuradio mailing list
>> address@hidden
>> https://lists.gnu.org/mailman/**listinfo/discuss-gnuradio<https://lists.gnu.org/mailman/listinfo/discuss-gnuradio>
>>
>
>
>
> --
>
> Alex,
> *Dreams can come true – just believe.*
> Can anybody explain the difference between this softmodem and other
> existing wireless baseband programmable processors?
> My understanding is that, also as Marcus mentioned, it provides more
> flexibility by this array of special CPUs instead of the prefixed
> functions/blocks, within this chip. Otherwise, it won't bring big
> novelty.
>
> As to the ADC/DAC and RF part, maybe we need to wait for the whole SDR
> solution to be unveiled.
>
>
> On Mon, Jan 7, 2013 at 11:29 AM, Marcus D. Leech <address@hidden>
> wrote:
>
> I don't have high hopes for this specific chip - I guess the
> IC will be hard to buy and the modem feature on built devices
> will hard to hack, lacking source and documentation for its
> drivers, just as Android devices are hard for cyanogenmod
> developers to hack with.
>
> But these news do give some hope, the hope that more
> accessible high-end ARMs chips like TI's and Freescales' will
> follow up and incorporate these features in the future.
> Indeed, I am already working on a beaglebone-based SDR and
> this would be great.
>
>
> It looks to me like this SoftModem chip is just an array of
> speciality CPUs. What I want to see is details of ADC/DAC and the
> RF-to-baseband
> transceivers -- those aren't part of the same chip.
>
>
> --
> Marcus Leech
> Principal Investigator
> Shirleys Bay Radio Astronomy Consortium
> http://www.sbrac.org
>
>
>
>
>
> _______________________________________________
> Discuss-gnuradio mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
--
Albert Chun-Chieh Huang(黃俊傑)
Blog: Random Notes, http://alberthuang314.blogspot.com/
- [Discuss-gnuradio] nVidia's Tegra 4 has SDR - the i500 LTE soft modem from Icera, est, 2013/01/07
- Re: [Discuss-gnuradio] nVidia's Tegra 4 has SDR - the i500 LTE soft modem from Icera, Tom Rondeau, 2013/01/07
- Re: [Discuss-gnuradio] nVidia's Tegra 4 has SDR - the i500 LTE soft modem from Icera, Aylons Hazzud, 2013/01/07
- Re: [Discuss-gnuradio] nVidia's Tegra 4 has SDR - the i500 LTE soft modem from Icera, Marcus D. Leech, 2013/01/07
- Re: [Discuss-gnuradio] nVidia's Tegra 4 has SDR - the i500 LTE soft modem from Icera, Alex Zhang, 2013/01/07
- Re: [Discuss-gnuradio] nVidia's Tegra 4 has SDR - the i500 LTE soft modem from Icera,
Albert Chun-Chieh Huang <=
- Re: [Discuss-gnuradio] nVidia's Tegra 4 has SDR - the i500 LTE soft modem from Icera, Lin HUANG, 2013/01/10
- Re: [Discuss-gnuradio] nVidia's Tegra 4 has SDR - the i500 LTE soft modem from Icera, Albert Chun-Chieh Huang, 2013/01/14
- Re: [Discuss-gnuradio] nVidia's Tegra 4 has SDR - the i500 LTE soft modem from Icera, Lin HUANG, 2013/01/15
- Re: [Discuss-gnuradio] nVidia's Tegra 4 has SDR - the i500 LTE soft modem from Icera, est, 2013/01/15
- Re: [Discuss-gnuradio] nVidia's Tegra 4 has SDR - the i500 LTE soft modem from Icera, Lin HUANG, 2013/01/16