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To: carranza2 who wrote (8489)	4/10/2000 11:50:00 AM
From: Caxton Rhodes	Read Replies (1) \| Respond to of 13582

Sirius rolls CDMAx, C-language model of 3G core, to speed simulation ROTSELAAR, BELGIUM - Sirius Communications NV, which announced a configurable wideband code-division-multiple-access (W-CDMA) intellectual-property core called CDMAx in June, has followed up with a C-language model of the core designed to help developers simulate their systems until its ASIC is available. Defined in VHDL and available for licensing, CDMAx implements digital aspects of several W-CDMA physical interfaces as required for third-generation (3G) mobile communications. It includes the ability to handle global positioning system (GPS) signals, but not the multicarrier version of CDMA specified in the cdma2000 air interface. Nor does it provide functions like the voice codec, which Sirius said likely will be handled in software on a separate DSP or microprocessor core. CDMAx is optimized to work with an ARM7TDMI Thumb core from ARM Ltd. (Cambridge, England). Sirius (www.siriuscomm.com) said continuing evolution of W-CDMA standards is delaying ASIC developments for 3G-compliant handsets. But in the company's view, the availability of CDMAx together with its MaxCmizer will provide cellular handset manufacturers and telecommunications foundries with a shortcut to the 3G cellular handset market. "MaxCmizer is an executable model and has a speed advantage over other bit-true models," said Lieven Philips, Sirius' chief executive officer. It provides bit-accurate data typing by linking signals to an associated fixed-point library, Philips said. IMEC spin-off The company is one of a number of spin-offs from the Interuniversities Microelectronics Center (www.imec.be) (IMEC; Leuven, Belgium) pursuing the use of C and C++ language modeling and synthesis, though Sirius' main expertise is in spread-spectrum communications. Sirius is following the lead of fellow IMEC spin-off Frontier Design NV (Leuven), which has offered two cores modeled in C: a GSM mobile communications core and a speech-recognition core. Frontier also offers EDA tools to help licensees elaborate the design and translate it into VHDL or Verilog prior to synthesis. The MaxCmizer model comes with a configuration package for the 384-kbit/second data-transmission mode for 3G mobile communications. Other packages are planned, such as the 3G 384-kbit/s with 8-kbit/s low-rate channel and six-channel GPS reception. Customized packages also can be developed. Philips said the MaxCmizer also supports mixed-language simulation. "We can offer cosimulation with VHDL. For example, the VSS simulator from Synopsys has a C-language interface. The larger portion of a design could be in C but a smaller block could be in VHDL," he said. Copyright © 1999 CMP Media Inc.

To: carranza2 who wrote (8489)	4/10/2000 3:41:00 PM
From: the_rich_janitor	Read Replies (3) \| Respond to of 13582

Carranza, some opinions on the 3G debate - It really doesn't take much to become schooled in the debate. I personally rarely participate because I find the misrepresentation of facts and opinions humorous on both sides of the track. The truth of the matter is that with regard to technology, press announcements and actuality are two different things. About eight months ago when a few unnamed QCOM competitors announced final development of their CDMA chipset, I also wrote a press announcement announcing the final development stages of 'Janitor's Energizer'. The product was to revolutionize the travel industry, yet not one person on this thread sent me money. Needless to say, my schedule has slipped. It is very simple to understand all the debate: 1) Both flavors of CDMA will be an eventual winner meaning that QCOM will win no matter what. They already won last March. The issue is how big of a winner are they? This will depend on the ability of QCOM/ERICY to solicit and demonstrate the advantages of 1X/HDR in a timely manner. NO ONE on these threads can predict the success of any of these technologies 18 months from now. People seem to debate using the latest rollout dates provided by their respective vendor and distort words like 'commercial rollout' and 'field trials'. Fact is that no one can predict who will be there first and what if any impact for upgradability to even higher data rates will appear. 2) Knowing what I know and seeing what I see (not from these boards, but from the field), my current educated 'opinion' is that there will be a delay in Japan's scheduled WCDMA deployment and that the major problem will come with upgradibility. Is that a fact? No. Am I sure? No. Do I only own QCOM stock? No. 3) In my years in the wireless technology industry, I have never known any project to be rolled out in the timeframes announced. I have always heard the ramblings of those who attend standards meeting and spend a lifetime discussing this and that, and then I have been in the labs where the real stress and pressure takes place. All I can say is that 3G = software! I have seen distortion of the truth hidden behind press announcements and the reality is that for the next 12 months, 3G wireless technology will be more of a political game than a technical one. Battles lines are still being drawn. The real fun doesn't start until early 2001 when the shots start getting fired. all jmo of course, - TRJ One last thing. Just because I choose not to partcipate much in the majority of 3G debate doesn't mean that I don't wish I could. I do. Unfortunately, I must always be careful what I say and I don't like using the arguement "Because I know" without being able to back it up.