Here's what that so-called "Zune Phone" really is: your thoughts, please?

TalkBack 5 of 15:: Next »; « Previous

Thread View
Flat View

I'd like to offer a help for those with disabilities.: 1st image:
The first shows the diagram of now all the components will work. The top shows the UHF (Ultra-High-Frequency, TV channels 2-13) antenna wiring down to the box shown as UHF Radio, which has three wires (2.4 GHz (Gigahertz) Modem Signal, Translator Control Line, and Digital I/O (Input and Output) Lines) running down to Network Processor/802.11g Modem, which the UHF Radiio and Network Processor then connects to CR Scanner. To the left of the boxes shows a power adapter and after that is a laptop, which wires via an ethernet interface to the Network Processor/802.11g Modem.

Please note that my explaination of the diagram won't be great, but it's as far as I can go.

The rest of the images are text, which can't be read by any screen readers such as Freedom Scientific's JAWS and GW Micro's WindowEyes.

2nd Image:
Title: FCC engineer's Questions and Microsoft Answers:
Contact: Srihari Narlanka (425-703-8661)

1. User specified transmission: Test modes enabling the operator to force transmission of maximum power with near 100 percent duty factor on any operator-specified TV channel within the intended operating channel range of the device would simplify testing of emission characteristics and interference effects under maximum power conditions.
We will provide.

2. User-specified initial channel for normal operation: Operator ability to specify an initial operating channel for "normal" operation would facilitate test of the ability of the device to vacate a channel if a DTV or microphone signal appears on that on that channel during operation.
We will provide.

3. User-specified sense channels: The following capabilities would facilitate tests in which a signal representing a licensed device (DTV or wireless microphone) is placed on a given TV channel and is adjusted in level to determine the sense threshold of the prototype device. (a) Enable the operator to specify an arbitrary TV channel within the operating capabilities of the device to be sensed for the presence of a DTV or wireless microphone signal; (b) provide an indication of the results of such sensing, and (c) provide a means to restart the sensing process. The intent of user-specified sense channels is to ensure that sensing is performed on the channel being tested. (It is assumed that in normal operation, a device may search a range of channels to locate one or more vocant channels for initial operation or as alternative channels to switch to in the event that the currently used channel(s) becomes occupied by a licensed device. If the search were to automatically termate after a sufficient number of vacant channels were found, the search might never include the channel in which sensing is to be tested.)
We comply with all requests.

4. Operation while sensing: If the device is intended to be capable of sensing in the current operating channel while transmitting on that channel or during short gaps between transmission on that channel, will supplied test software allow sensing to be tested under such conditions? Similarly, if the device is intended to be capable of performing sensing on other TV channels while transmitting in the current operating channel or during short gaps between transmissions on the operating channel, will supplied test software allow sensing to be tested under such conditions?

3rd Image:
This version of Cognitive Radio does not support concurrent sensing while transmitting.

5. Adapters and other accessories: Any connectors, adapters, or other accessories necessary to test the device should be included. If a prototype is intended to be representative of a Part 15 device--which normally requires either an integral antenna or a "unique connector" for the antenna port--any unique connectors required for testing should be supplied.

Microsoft will furnish all required adapteors, interconnecting cables and required accessories. All external RF builkhead receptacles are standard SMA female.

Emission Characteristics:
1. What range of TV channels can device tune to? Channels 2 through 51 in 0.1 MHz (megahertz) increments.
2. What type of modulation does the device employ? BPSK and QPSK
3. Will modulation scheme utilize multiple carries (e.g., OFDM)? OFDM
4. What other modulation types are likely? Multilevel QAM
5. What is the occupied (3-dB) bandwidth of the signal (dB is short for "delcibles")? 4.5 MHz
6. Are there plans to aggregate available channels for wider bandwidth? Not in the Prototype but it is something under consideration.

Listen-Before-Talk (LBT) and Dynamic Frequency Selection (DFS) Capabilities:
1. Is device capable of sensing DTV signals? Yes
2. Is device capable of sensing wireles microphone signals? Yes
3. Will device attempt to sense other incumbent signals (e.g., LPTV)? Yes
4. What signal characteristics are utilized for incumbent signal detection? Feature masks and signal threshold.
5. Will sensing occur while performing intended communications functions? No.
6. What action(s) will be taken when incumbent signal is detected? Move to a vacant channel or not transmit at all if one is not available.
7. Is detection algorithm based on a single device does it rely on cooperative sensing across a network of devices? No.
8. Does device incorporate geolocation/database functionality? No.
Test Facilitation:
1. What is intended end application of device? To provide consumer broadband access and networking.
2. Will device have an internal or external antenna? External wideband discone.
3. Is the antenna port accessible? Yes but not in the final product.
4. What are the characteristics associated with the antenna (gain and pattern)?

4th Image:
>>1. Antenna Gain: 2 dBi
>>2. Pattern: Omni-directional, Vertical polarization
5. Will operator be able to set parameters such as power, frequency (TV channel), duty factor, etc.? Yes. Typical parameter settings are: Power, Channel Frequency, Scan 100MHz-700MHz, Frequency step size for Radio and scanner step size.

6. What type of environment sensing and avoidance algorithms are used?
>>1. Automatic feature search and probablistic scoring techniques for DTV, NTSC, and wireless microphone like spectral features.
>>2. Periodic rescanning, user settable, to recertify existing operating channels and ascertain available channels.

7. What specialized (unique) connectors, adaptors or other accessories are required to test the device and will they be provided? None, all are standard RF connectors.

Excuse my laziness but it will take some time to do proofreading, but I've done my best to keep typos down to the minimum and that I have typed almost exactly as-is from the images provided in the article. Note that I used colons just so that the sentences wouldn't be fragmented; however, "we will provide" didn't seem to make sense to me, but if I'm correct, this is due to the context for the above paragraphs since two of the paragraphs have a "we will provide" sentence below them.

I hope this helps for anyone with disabilities, like blind, visual impairement, etc.; Posted by: Grayson Peddie Posted on: 02/10/07 You are currently: a Guest | Members login | Terms of Use