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is it possible to simulate mac layer of wimax in matlab?
hi,i am relatively new to matlab and i was woundering if it is possible to simulate the mac layer with qos of wimax 802.16d or e? any comments on this metter will be appreciated.thank you!regards!...
Digital communication :: 07 Nov 2009 20:16 :: ramu6969 :: Replies: 15 :: Views: 1810
capacitor voltage storage
hello dears!i have designed a three phase wireless smart energy meter using atmega32 mcu. for energizing the circuit i have used dc power supply but not any battery backup in case of power failure.whe...
Electromagnetic Design and Simulation :: 07 Nov 2009 13:25 :: svhb :: Replies: 9 :: Views: 102
reed solomon code for encoder and decoder
hi all .can any one upload reed solomon code(matlab code with explantion) for encoder and decoder.thanks in advancechin...
Digital communication :: 07 Nov 2009 7:05 :: wildlifexs :: Replies: 62 :: Views: 14496
100% repair of laptop & desktop motherboard
hi! i am sandip golani engaged in chip-level repairing of laptop & desktop motherboard, if any one of u have any problem, pls. place u r question in the forum, i will reply over here. i am ready to sh...
Service Manuals, Requests, Repair Tips :: 06 Nov 2009 10:25 :: gardenfresh420 :: Replies: 133 :: Views: 28402
cdma
i m doing a project on cdma. can somebody send me some details about cdma....
Digital communication :: 06 Nov 2009 10:08 :: vadherasiddharth :: Replies: 22 :: Views: 2715
hi, everybody,which country do you come from?
i just want to do a pollhi, everybody,which country do you come from?we can communicate international. i come from beijing china....
General :: 06 Nov 2009 6:57 :: tooni :: Replies: 1507 :: Views: 60273
i need to know importance of microwaves
pls guys i want to know to importance of microwave in the transmission and reception of signal in telecommunication sites?...
RF, Microwave, Antennas and Optics :: 05 Nov 2009 18:38 :: b4bb4ge :: Replies: 4 :: Views: 117
ecg monitoring system based on wireless sensor networks.
sir i m doing my mtech final yr project on the topic of ecg monitoring system based on wireless sensor networks.i va attached my block diagram here... kindly give an idea about simulation of this pr...
Hobby Circuits and Small Projects Problems :: 05 Nov 2009 11:48 :: mohanag :: Replies: 1 :: Views: 36
interfacing bluetooth usb dongle with microcontroller
do anyone know how to interface bluetooth usb dongle(which is easily available for pc) with microcontrollers?coz these dongles r easily available n cheaper than bluetooth module so if its possible to ...
Microcontrollers :: 05 Nov 2009 7:25 :: dannym :: Replies: 115 :: Views: 24198
starting work with zigbee
te target is to use zigbee in some applications already planned & implemented by our institute like:wireless power measurement,distress signalling etc.currently i am trying to choose an appropriate zi...
RF, Microwave, Antennas and Optics :: 05 Nov 2009 7:11 :: azfar-adib :: Replies: 0 :: Views: 21
help!cooperative communication!
hi,all. i have some questions about the cooperative communication, since there is some formulas puzzle. if you do some research about cooperative communication, could you give me your email adress....
Digital communication :: 05 Nov 2009 4:14 :: deikwan :: Replies: 4 :: Views: 367
how to convert 100hz signal to intermediate frequency
hi there,i am designing a device which is planning to transmit a ecg signal from a portable device to remote base station. now ecg front end circuit has been down and i can obtain the normal ecg signa...
RF, Microwave, Antennas and Optics :: 04 Nov 2009 19:40 :: biff44 :: Replies: 8 :: Views: 207
ns2 extension with directional antennas
after i added the c++ module and tried to execute the same code its showing me the following error. wirelessphy: antenna lookup of antenna/omniantenna failedns: new biconnector/networkinterface2/fulls...
Network :: 04 Nov 2009 17:04 :: arunranj :: Replies: 5 :: Views: 1590
wireless router range increase??
hello all!! i want to increase my d-link wireless router range, how can i do that??...
Electronic Elementary Questions :: 04 Nov 2009 13:58 :: xuan1982 :: Replies: 2 :: Views: 66
transmitting 12v signal wireless
mit and receive or point me to a product that does this. i am taking a 12v signal and transmitting wireless to turn a light on and off remotely.any help would be appreciatedthanks,daryl...
Electronic Elementary Questions :: 04 Nov 2009 8:10 :: pranam77 :: Replies: 2 :: Views: 75
reading active energy with ade7754
hello im using an ade7754 to read the active energy from a triphase network with a pic16f877. i could acquire vrms, irms and the active power from each phase separately, but i couldn’t re...
Microcontrollers :: 03 Nov 2009 17:12 :: Naveed Ahmed :: Replies: 2 :: Views: 244
who can help me? how can i learn cooperative communication
dears, now i am learning network coding in marc(multiple access relay channel), do you familiar with this field? could you give me some matlab code to study, some codes about af, df, and network codin...
Digital communication :: 03 Nov 2009 16:35 :: preetica :: Replies: 24 :: Views: 1331
design of a 10kw inverter for a fuel cell
back by popular demand.. a how to compelte with schematic the results of usa 2001 (?) energy challenge. a couple of the files included in the attached are free from the web page, but the rest are ra...
Hobby Circuits and Small Projects Problems :: 03 Nov 2009 9:50 :: atpsizan :: Replies: 48 :: Views: 11770
matlab to automatically create a wireless network.
hii am trying to develop a program using matlab that automatically designs a wireless network.i need to program matlab to insert base stations in an area and allow me to move it around .any idea how t...
Network :: 03 Nov 2009 0:57 :: Masterpiece :: Replies: 5 :: Views: 288
need a softbook "a guide to wireless engineering "
i need this book a gide to wireless engineering body of knowledge by wiley ...ieee... very badly as i have to prepare for a certified exam.,..please help me in this ......thnkx all dearz...
Trashcan :: 02 Nov 2009 18:46 :: arsi15 :: Replies: 0 :: Views: 21
hot topics in wireless networks
hiwould you please introduce the hot topics in wireless networks?regards...
Digital communication :: 02 Nov 2009 6:47 :: Communications_Engineer :: Replies: 1 :: Views: 66
need a brief project idea for my msc.
hii am a final year msc. in networking student from canada. i want to finish my masters for this reason, i have to go through a capstone project. i am looking for idea for this capstone project which ...
Network :: 01 Nov 2009 20:39 :: Masterpiece :: Replies: 4 :: Views: 300
wireless + pic i/o.... ???
okay so i have this transmitter and receiver (rf) , they both have this data line...1 pin only, each one connected to a pic..say pic16f84a or pic16f877a, how do you transmit data to one another? say l...
Microcontrollers :: 01 Nov 2009 15:09 :: Shinnster :: Replies: 0 :: Views: 51
mobile communication project on matlab
hi every1 ive just finished cdma project on fpga boards the design is from a-to-z digital even the summation process if any1 interested i can give a hand...,...
Digital communication :: 01 Nov 2009 15:04 :: aapatel374 :: Replies: 65 :: Views: 6286
circuit of rf transmtter to pass voice, text, video etc data
l applications using rf signals in brief i need to transmit data (voice , text , video , image ) .. wireless by means i need to construct a circuit like a bluetooth circuit but more powerful circuit i...
Electromagnetic Design and Simulation :: 31 Oct 2009 23:35 :: micheallogic :: Replies: 0 :: Views: 42
usb pic and wireless application
hi. i am planing to implement a wireless webcam for my project.for example pic18f works as a device in usb operation mode. but it is not my device, my device is webcam, so i want to by-pass all protoc...
Microcontrollers :: 31 Oct 2009 16:04 :: equ :: Replies: 2 :: Views: 135
three phase wireless smart energy meter using ade7754 chip
hello dears!i have designed three phase wireless energy meter using ade7754 chip. i have calculated all the parameters voltages, currents, active power, apparent power, active energy, apparent energy...
Embedded Systems and Real-Time OS :: 31 Oct 2009 15:36 :: Naveed Ahmed :: Replies: 2 :: Views: 78
inductive resonance wireless power
hi everyone, i hav a project which involve using inductive resonance to produce wireless energy and then create a cell phone charger using that.the problem now i faced is i have difficulties getting t...
Electromagnetic Design and Simulation :: 30 Oct 2009 15:35 :: breadpig :: Replies: 2 :: Views: 153
about usb 3.0 or wireless usb
hi all, who are working in usb3.0 or wireless usb? could you provide some material about it?...
ASIC Design Methodologies & Tools (Digital) :: 30 Oct 2009 5:31 :: niravbhatt :: Replies: 4 :: Views: 126
diy moving message display
hi alli want to have moving message display program for atmel at89c251. may some one help me?...
Microcontrollers :: 29 Oct 2009 11:11 :: madicalphy :: Replies: 565 :: Views: 212641
delay before rf amplifier gives stabilized output gain
hi,i am designing power supply sequencing for rf monolithic amplifier. i want to know the delay time of amplifier response. after switch on the power supply, how many ns that amplifier will take to gi...
RF, Microwave, Antennas and Optics :: 28 Oct 2009 16:11 :: vfone :: Replies: 4 :: Views: 123
please help me in usb
im new comer to usb, the standards spec is too huge, long as 650 pages. after reading some portions of it, i just know some basic concepts like packets, pipe, endpoints..., but could not get the big p...
ASIC Design Methodologies & Tools (Digital) :: 28 Oct 2009 9:49 :: niravbhatt :: Replies: 6 :: Views: 378
arm powered embedded system design
7 and arm9). illustrations would be used to explain how to write and implement on-chip peripherals, wireless module interface techniques and emphasis on the development, debugging of embedded firmware...
Upload temp :: 28 Oct 2009 7:55 :: ngsrinivasan :: Replies: 0 :: Views: 102
future vlsi ?
hi every one...i came to know that nowadays most of the companies are not running any projects because they r not getting any projects.for eg. in tata elxi for past 2 and half months no vlsi projects ...
ASIC Design Methodologies & Tools (Digital) :: 28 Oct 2009 5:38 :: niravbhatt :: Replies: 18 :: Views: 1392
rf to dc regulator design
hi. yall my chip of wireless sensors will be fed by rf signal (by inductive coils). i am now stuck at design for rf to dc regulator (2.5v vdd generation). my charge pump multiplies voltage and provide...
Analog IC Design & Layout :: 27 Oct 2009 16:02 :: florescent :: Replies: 2 :: Views: 111
inductive resonance wireless power
hi everyone, i hav a project which involve using inductive resonance to produce wireless energy and then create a cell phone charger using that.the problem now i faced is i have difficulties getting t...
Hobby Circuits and Small Projects Problems :: 26 Oct 2009 7:04 :: sajal1975 :: Replies: 1 :: Views: 93
"back-off" for power amplifier
in some articles it said the power back-off for the power amplifier can conserve battery power and avoid to cause interference in the adjacent channels. it also says the efficiency will be reduced? wh...
RF, Microwave, Antennas and Optics :: 25 Oct 2009 17:40 :: cnuchcnu :: Replies: 5 :: Views: 445
matlab simulation for mimo-ofdm and wimax
hello...i am doing some research in ofdm and other wireless technologiesdoes anyone have any simulation in matlab for mimo-ofdm and some good paper/matlab code on wimaxthanx in advance...topic moved h...
Digital communication :: 25 Oct 2009 16:58 :: cnuchcnu :: Replies: 37 :: Views: 19829
please help! lights and batteries....what do i do?
sorry for the possibly vague subject, i am new to all this. my problem....i am trying to do a romantic night with the lady friend and i want to run alot of lights in the middle of no where. no access ...
Electronic Elementary Questions :: 25 Oct 2009 12:57 :: betwixt :: Replies: 8 :: Views: 312
interfacing zigbee with microcontroller..
im and final year electronics engineering student. im designing a wireless monitoring and control system..... there will be a master which will monitor and control slaves located in various locations...
Network :: 23 Oct 2009 18:44 :: swanandthegreat :: Replies: 0 :: Views: 126
cross layer optimization for ofdm wireless network
hi everyone i am verifying the results of a research paper cross layer optimization for ofdm wireless network.can anyone help me in plotting the graph between average utility and snr value?any kind of...
Digital communication :: 23 Oct 2009 15:16 :: akgakgakgmnnit :: Replies: 0 :: Views: 45
send several bytes via gprs - sim300
hi,i want to send several bytes via gprs with sim300.but i dont know how to initialized this module with at commands.i searched in the net and found a series command but i cant send data with none of ...
Microcontrollers :: 23 Oct 2009 8:08 :: jagrut911 :: Replies: 18 :: Views: 1362
fundamentsl of wireless communicaions
hi friends,i need the solution manual of the book fundamentals of wireless communications by david tse.please forward it to me.please . please i need it badly.thanx...
Digital communication :: 23 Oct 2009 7:01 :: Communications_Engineer :: Replies: 8 :: Views: 2745
go to school at uc berkeley for free
nless you already have an ee degree, but it is all there for you to learn - analog, digital, rf and wireless. please mirror these on your own webpages, or berkeley will stop offering the pdf files to...
Electronic Elementary Questions :: 20 Oct 2009 10:31 :: jameswong227 :: Replies: 56 :: Views: 11457
audio power amplifier
i just want to ask how to make an audio power amplifier (class b) on final stage to drive a load of 4 or 8 Ω to output power of 30 w? thank you. its for a project. im quite confuse with the circu...
Hobby Circuits and Small Projects Problems :: 20 Oct 2009 8:45 :: FvM :: Replies: 21 :: Views: 816
warpdrives - ontopic links collection
are there any types of the following devices that implement warpdrives.instrumentation: rf, wireless, microwave, optical, photonic, fiber optic, laser, electromagnetic, plasma, holographic, electro op...
Analog Circuit Design :: 19 Oct 2009 22:56 :: betwixt :: Replies: 2 :: Views: 129
sim300s modem meet problem when register with simcards
currently, our sim300s modem come with problem when register simcards. this issue is like follow: simcard works with mobile phones and siemens gsm modems. it has problem working with sim300s modules. ...
Professional Hardware and Electronics Design :: 17 Oct 2009 13:53 :: moyoumin :: Replies: 2 :: Views: 141
a question on the xtal osc deisgn
hiwe are deisgning a 35mhz xtal osc. the attached file is the schematic of the ciruit we used. it is a typical cross-coupled oscillator.the negative impedence anlaysis is ok. but i can not make it osc...
Analog IC Design & Layout :: 17 Oct 2009 4:05 :: chang830 :: Replies: 13 :: Views: 501
gprs modem interface proceduer
i am starting to design a telemetry system using sms. any sugestions about gsm modules? thanks in advance....
Professional Hardware and Electronics Design :: 17 Oct 2009 3:44 :: printed circuit girl :: Replies: 191 :: Views: 52069
free energy source from radio signal?
http://www.edaboard.com/files-eboard/capture_6324.jpgi would like to have an antenna, and then drain the current that oscilates in the antena i think ac? and store it in capacitors or batteries.. beca...
Electronic Elementary Questions :: 16 Oct 2009 4:39 :: flatulent :: Replies: 3 :: Views: 198
simcom module and wireless modem price adjusted
e to meet you all in edaboard. im neo from popular communication. our company is the largest simcom wireless module distributor in china. we have engaged in wireless module field since 2001. currently...
EDA Jobs, Promotions, Advertising :: 15 Oct 2009 6:38 :: moyoumin :: Replies: 0 :: Views: 132
help with wiring a voltage regulator
hello and tia!im trying to power a wireless camera off of a battery pack. but in doing so ive found out that it goes through batteries pretty quickly and so i started learning about them. so i am tryi...
Electronic Elementary Questions :: 14 Oct 2009 22:56 :: GhettoBSD :: Replies: 23 :: Views: 480
seeking 100-150 meter communication solution
transmitting/receiving end can, and probably would be fixed.ive read that different frequencies or wireless communication methods have different ranges as well as differing levels of reliability, str...
RF, Microwave, Antennas and Optics :: 14 Oct 2009 21:37 :: relic180 :: Replies: 3 :: Views: 165
ecg simulator circuit
:idea: ecg simulator circuit explained.[/b]...
Other Design :: 14 Oct 2009 17:49 :: jajomafa :: Replies: 14 :: Views: 13213
help me: phd looking for a rf filter/diplexer design job
design experience in rf filter design, incl. coaxial, helical, tunable, high power. also a senior wireless signal processing position is good for me. contacts: rffilterdesigner@gmail.com thanks f...
EDA Jobs, Promotions, Advertising :: 14 Oct 2009 15:19 :: cwjcwjcwj :: Replies: 1 :: Views: 231
wireless transmission and reception using psoc
himy project requires sensing some analog data using psoc and transmitting it by wireless to be received by either another psoc connected to labview or by labview directly. kindly guide me in this reg...
PLD, SPLD, GAL, CPLD, FPGA Design :: 13 Oct 2009 18:33 :: ckaa :: Replies: 1 :: Views: 102
1st international conference on intelligent systems
stributed architectures and systems- internet modelling, semantic web and ontologies- mobile/ad hoc wireless networks, mobicast, sensor placement, target tracking- performance engineering of computer ...
General :: 13 Oct 2009 8:15 :: salma ali bakr :: Replies: 0 :: Views: 132
gsm ,gps modules in china?
hiis there companies in china that sell gsm,gps modules ,please send their web site link....
Business Special Interest Group :: 13 Oct 2009 5:00 :: moyoumin :: Replies: 11 :: Views: 2617
simcom module and wireless modem price adjusted
e to meet you all in edaboard. im neo from popular communication. our company is the largest simcom wireless module distributor in china. we have engaged in wireless module field since 2001. currently...
Business Special Interest Group :: 13 Oct 2009 4:45 :: moyoumin :: Replies: 0 :: Views: 159
full duplex audio and text communication system rf system
i want to make a rf based full duplex audio and text communication system plz can anyone help me...
Digital communication :: 12 Oct 2009 11:16 :: krnmore :: Replies: 2 :: Views: 262
interface pic 16f877a with mrf24j40ma picdem rf tranceiver !
hello everyone !!.............i want to interface pic16f877a with mrf24j40ma picdem rf transceiver !...........can you please tell me how i can interface ???............also tell me which pins and po...
Microcontrollers :: 11 Oct 2009 21:08 :: Salman_Engineer :: Replies: 2 :: Views: 288
pwm module for pic 16f737
hello all ...at first, sorry for my bad english...im get started to use pic 16f737 and i need some help with this pic...if someone can help ill be very happy...-someone have any good beginner tutorial...
Microcontrollers :: 11 Oct 2009 21:04 :: wp100 :: Replies: 3 :: Views: 228
rf transceiver ic for remote keyless entry
hi all, i am researching and designing about wireless switch for remote entry keyless. i need some circuits about this and one rf ic transceiver in ( tssop or lqfp or smd ) packageand low costany help...
Digital communication :: 11 Oct 2009 13:59 :: shoja :: Replies: 0 :: Views: 60
problem with wireless serial transmisson
hi, i am doing school project and have encountered a problem when using t5/r5 module and pic16f877 usart feature for rf communication.datasheet for t5/r5 module and my schematics are attached. basical...
Hobby Circuits and Small Projects Problems :: 11 Oct 2009 12:37 :: Tracy Chin :: Replies: 6 :: Views: 402
matlab programing + gaussian finction
hi guys this is my first time in here but i think this is an wonderful site so i have decided to share with you my experiance in matlab, i will be posting certian programs in matlab and u can ask me a...
Digital communication :: 10 Oct 2009 16:14 :: omarakash :: Replies: 93 :: Views: 13342
tx and rx raised cosine filter in wireless channel
greetings ,i am simulating a simple wireless channel consisting of only bernoulli random generator- tx raised cosine filter -awgn channel rx raised cosine filter but the output is very distorted , i ...
Digital communication :: 09 Oct 2009 10:50 :: shamma :: Replies: 0 :: Views: 96
serial port transmission pic18f4620
can i have direct acces on the bits trasmitted to serial port? if i wanted to transfer 1011 on the serial port, can i make a program in c# which only transmits those bits (those are bits, not characte...
PC Programming and Interfacing :: 08 Oct 2009 18:00 :: mannnish :: Replies: 22 :: Views: 1937
analog circuit design tool
hi marie,it is tough to get in any of these software until u have access through educational institutes or huge co-orporations.if you are seeking to learn this on your own, well u can get there manual...
Software Downloads/Uploads :: 08 Oct 2009 15:22 :: tripathishubhang :: Replies: 32 :: Views: 11291
set of circuits for new project - guidance would be great!
electronic aspects, this project is by far the most complex ive attempted.in short, i am trying to wirelessly charge (inductive) a flashlight that will contain nimh batteries, that will power 2 sets ...
Hobby Circuits and Small Projects Problems :: 07 Oct 2009 22:23 :: idtkid :: Replies: 6 :: Views: 219
wireless application help
ata at 9600 baud rate. this data has to be transferred to a base computer say atleast 200 feet away wirelessly. my problem we will have atleast 30 such devices all streaming data continously. can any1...
Network :: 07 Oct 2009 13:50 :: siongboon :: Replies: 1 :: Views: 165
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