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Recent content by nobitavn89

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    Fair share scheduler project

    Hi, all! I'm doing a project about fair share scheduler in linux. Can anyone give me some advice? It's more likely if you can give me algorithm and code for reference.
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    Help me, design a University network

    Hi, all! I have to do a project about designing a network for a University. Can you give me some advice? Better if you can give me some documents for references. Thanks
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    Can I modified Zigbee stack?

    thank alexxx. But I am using a board with PIC and EM 260, :(. Okie, I'll try to write them a mail.
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    Can I modified Zigbee stack?

    yes, I want to build new type of network which is full mesh and all nodes can sleep (ofcourse, I have to synchronize time sleep among nodes to avoid dropping packet). Therefore, I have desire to use IEEE802.15.4 for MAC and PHY layer, and modify their stack to build a new one. Should I do it...
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    Can I modified Zigbee stack?

    Hi, all! I have some module EM260. I wonder if I can modify their stack to create new types of network. (Now, EM260 can form emberZnet which supports 3 types of mesh network: star, full mesh and Hybrid mesh)
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    A question about Digimesh

    Hi, all! I've found the information which shows that only XBee® & XBee-PRO® 802.15.4 can build digimesh. Is that true? What's about XBee® & XBee-PRO® ZB? Here they are: XBee-PRO® 802.15.4 OEM RF Modules - Digi International XBee® ZB ZigBee® RF Modules - Digi International
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    Pulse Transformation Circuit

    Hi Shehata! Thank for your help. Can you show me the value of components and type of integrator in proteus. There are a lot of integrators and I can't find the appropriate integrator.
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    Pulse Transformation Circuit

    Hi everyone! I am looking for a circuit which can transform from rectangular pulse into triangle pulse. Does any one help me. Thank a lot PS: The circuit must operate at 40KHz
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    Xbee Power Consumption

    I mean that how I can config xbee to get long battery life, may be using GPIO PIN. Because, a few day ago, I tested a module Xbee with 3V supply but it seemed slow down voltage very fast. So, if I config it as Xbee end device mode, It loss power very fast...
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    r/c 2.4Ghz radio transmitter and receiver

    U can use some Zigbee modules (IEEE 802.15.4 standard) with speed of 250kbps? for example, Xbee from digi, nrf from microchip or cc2420 from TI...
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    Xbee Power Consumption

    Hi all! Does any one use Xbee, a product from Digi? I an using some Xbee modules to build a WSN. Unfortunately, It seemed dropping voltage very fast. Do u know how to improving power consumption of xbee? PS: I have read Xbee data sheet and it received "To improve low power current consumption...
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    Help me: Install NS2 in linux 10.04

    Hi everyone! Does any one show me the way to install NS2 in linux? I am a beginner with linux, so i hope u can show me step by step and clearly. I am using ubuntu 10.04, lucid. Thanks :-|
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    Zigbeeeee informationnn

    Hi To obtain the ZigBee specification, go to ZigBee Alliance > Home and click on “ Download the Specification. ” It is free, and comes in PDF format Or Go to **broken link removed** and select “ IEEE 802.15.2-2003 ” to obtain the 802.15.4 standard in PDF format. There is a new draft standard...
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    Where can I find old ebooks ?

    Hi, You can try google ".pdf Table of Laplace Transform" :D, good luck!
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    I need a product which can measure Node B's parameter

    Hi everyone ! I have to find a machine which can measure nodeB' parameters such as Ethernet, Qos, MPLS. Can any one help me?
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