无线 工作与竞赛

Wireless communication refers the transfer of information without the use of conductors or wires. Various devices are capable of wireless communication such as cellular telephones, two way radios, and wireless networking enabled devices. If your business needs help working with wireless technology or wireless devices you can hire talented freelancers to help you with wireless tasks. Start by posting your wireless job today.
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浏览Freelancer上的工作

项目/竞赛 描述 竞标数/参赛作品数 技能 已开始 结束 价格(CNY)
identify and explain this results after creating LTE and UMTS networks by Qualnet program my assignment aims​ at analyzing comparing handover procedure employed in 3G and 4G networks by simulating and evaluating varied mobile network scenarios. I have now the results after creating LTE and UMTS networks by Qualnet program, what I need now someone an expert to identify and explain this results only. Skills and knowledge: knowledge of UMTS/LTE technologies and architectures and simulat... 5 无线, 计算机安全, 技术写作, Research Writing, 网络管理 Apr 21, 2018 今天6天 22时 ¥774
Literature/ technical survey, Research in the field of IT, Wireless and Telecom, Literature/ technical survey, Research in the field of IT, Wireless and Telecom, mostly on Wireless sensor neetwork. Must have Proven research record 13 无线, 研究, 科学研究, 技术写作, 电機工程 Apr 19, 2018 Apr 19, 20185天 18时 ¥195
VANET ROUTING PROTOCOLS I need to simulate different VANET routing protocols using NS2 or MATLAB. then I need results including graphs and explanations. 9 无线, 工程, 矩阵及数学软件, 电機工程, 通讯工程 Apr 19, 2018 Apr 19, 20185天 11时 ¥2951
Designing hybrid protocol for securing & prioritizing data in multiple wireless body area network Objectives 1) Providing data communication security through hybrid protocol for multiple WBANs working at same time. This security protocol should consume low energy & also low memory space . 2) Prioritizing data/node based on critical physiological value sensed by sensors..(Data can be classified as critical data & non-critical data & accordingly prioritization should be done). Need t... 2 无线, 计算机安全, Research Writing, 网络管理 Apr 18, 2018 Apr 18, 20184天 21时 ¥976
Handover between LTE and 3G in NS3 expecting 1 remote host, 1 server, atleast 4 base stations (2 3G and 3 LTE) and 1 or 2 mobile nodes in NS3. [链接已删除,请登录查看] This is the similar project to what I am expecting. 6 Java, Linux, 无线, 思科, 网络管理 Apr 18, 2018 Apr 18, 20184天 15时 ¥2436
frame work for Access point selection based on Markov decision process I need to implement the attached paper on my system. i need a help from an expert in Markov chains and Markov decision process to use it in the cellular network to predict the user location under each cell in the future and optimize network using matlab we will use Markov decision process to chose the best node in wireless network based on the arrival rate and service time for each connection, a... 5 无线, 工程, 矩阵及数学软件, 算法, 电機工程 Apr 18, 2018 Apr 18, 20184天 8时 ¥869
RFID Tag Reader (Chip: ST25RU3993) Create a C code to be able to transmit data to a tag and check if data is received back. I have already built the PCB board and it operates at UHF in the range of 900. I just need to know how to transmit and receive signals. I have attached the datasheet of the chip. 3 C 编程, 无线, 电子, 电機工程, 交流 Apr 18, 2018 Apr 18, 20184天 6时 ¥327
Omnet ++ and Ad-hock WAN I need someone professional in Omnet++ ...to design a densified ad-hock WAN based on Software-defined networks SDN with a centralized multi controller. 2 无线, 工程, 电子, 软件测试 Apr 18, 2018 Apr 18, 20184天 2时 ¥4675
researchers required in the field of IoT, Fuzzy system, wireless communication and Comp networks researchers required in the field of IoT, Fuzzy system, wireless communication and Comp networks Research articles and must have proven record 8 无线, 矩阵及数学软件, 科学研究, 电機工程, 通讯工程 Apr 18, 2018 Apr 18, 20183天 22时 ¥369
RFID Tag Reading (Chip: ST25RU3993) The RFID operates at UHF and I need to program the RFID chip to be able to transmit and receive data from an RFID tag. 6 C 编程, 无线, 电子, 电機工程, 交流 Apr 17, 2018 Apr 17, 20183天 20时 ¥604
Designing a Small Antenna for TPMS Hello I need for communication in the 433 MHz band 2 antenna designs (IFA and LOOP antenna) with a matching network circuit. I will then solder these antennas to my board. 7 无线, 工程, 微控制器, 电機工程, 电路设计 Apr 17, 2018 Apr 17, 20183天 9时 ¥138
Create a robust wireless network based on RF or Wi-Fi We need the best electronics engineers to create the best wireless network. We are developing a product that is to be patented so I cannot disclose any details here. But we need electronics engineers or a company that has experience in working with wireless networks. You can use 433MHz, 2.4GHz, RF technology, Wi-Fi technology, etc.. any wireless technology will do but it should be robust as hel... 8 无线, 电子, 电機工程, 印制板布局, 产品设计 Apr 16, 2018 Apr 16, 20182天 5时 ¥3539
Need to simulate a network in Ns3 or OMNET++ with various protocols and implementing attacks I am looking for an expert in networking simulations Ns3 or OmNET++, whatever. The job is to simulate various protocols on it and implement a security attack on it. As for the results, finally comparing the data of the results. Note: Those who are adept to networking and simulating them and knowledge on security are recommended. Please don't waste time inboxing me shit which you couldn... 8 无线, 计算机安全, 网络管理, 网络安全 Apr 16, 2018 Apr 16, 20182天 1时 ¥2908
Project for support0611 -- 18/04/16 07:55:18 Hi support0611, I noticed your profile and would like to offer you my project. We can discuss any details over chat. 2 PHP, Linux, 无线, Ruby on Rails, 安卓, Apr 16, 2018 Apr 16, 20185天 ¥881
Project Related to Networking and Wireshark Project Related to Networking and WireShark 17 无线, 计算机安全, 思科, Research Writing, 网络管理 Apr 14, 2018 Apr 14, 20184时 4分 ¥118
power electronic controller for dc motor drives Dc motors are used extensively in variable-speed drives application. With the advancement of power electronics and control, ac motor drives are becoming a competitor to dc motor drives. Write an assignment on the available speed control methods including the use of power electronic controller for dc motor drives (choose separately-excited dc motor) and ac motor drives (induction motor). You also n... 13 无线, 工程, 电子, 矩阵及数学软件, 电機工程 Apr 13, 2018 Apr 13, 2018已经结束 ¥232
Integrate an Ultrasonic Sensor to a Smart Parking Spot Sensor We would like the freelancer to identify the best possible way to integrate an ultrasonic sensor to our device with: 1. Minimal cost to our housing design 2. Affecting the IP Rating of the device 3. Suggesting (Including Supplier) for the Ultrasonic Sensor which best suits the project. 19 无线, 工程, 电子, 电機工程, 电路设计 Apr 13, 2018 Apr 13, 2018已经结束 ¥4259
Router & Switches Configuration IP devices in Network are: 1. Alcatel OXO Connect EPBX 2. IP Camera/s 3. Network Video Recorder 4. IP Phone of Alcatel (A wire from port of switch goes from switch to Phone and from Phone to PC) 5. PCs / Laptops 6. Cisco SG350-28PP – 8 pcs 7. Cisco SG500-28 – 1 pcs 8. Mikrotik Router CCR 1009-7G-1C-1S+ 9. Ubiquitti 3 pcs of Access point – Long Range Basic topology t... 25 系统管理, 无线, 思科, VoIP, 网络管理 Apr 12, 2018 Apr 12, 2018已经结束 ¥2478
Project for Gul N. Hi. I want to make MRTG for Mikrotik using Cacti. Cacti already installed & running. But I need Cacti for monitoring/graphing Mikrotik (Simple Queue, Interface, Wireless, CPU Load, Temperature & RAM). Do you have time to help me configure Cacti, please? 1 无线, 计算机安全, 思科, , 网络管理, 网络安全 Apr 11, 2018 Apr 11, 2018结束 ¥189
Project for Nabila S. -- 18/04/10 19:46:38 Hi Nabila S., I noticed your profile and would like to offer you my project. We can discuss any details over chat. 2 网络市场, 摄影, 数据处理, 数据输入, 无线, Apr 10, 2018 Apr 10, 2018已经结束 ¥38
neural network Need detailed neural network model 7 无线, 工程, 矩阵及数学软件, 思科, 网络管理 Apr 10, 2018 Apr 10, 2018已经结束 ¥133
Ns-3 project networking specualist plz Ns-3 project networking specualist plz 4 Java, 无线, 算法, 软件构架 Apr 9, 2018 Apr 9, 2018已经结束 ¥1360
wireless firmware We are Indian Startup setting up Indian Networking Hardware Brand, hardware will be sourced from Taiwan but Software is planned to be made in India by Indians, for this we offer to share our profits as this association may be long term association as development is a constant process. Firmware that need to be made is for Wireless Access Point and Wireless controllers. Apart from this brand will al... 9 无线, 电子, 微控制器, 电機工程, 印制板布局 Apr 9, 2018 Apr 9, 2018已经结束 ¥2493
Mathematical modeling and algrithm development in wsn Mathematical modeling and algrithm development in wsn WSN localziation 9 无线, 工程, 矩阵及数学软件, 算法, 数学 Apr 9, 2018 Apr 9, 2018已经结束 ¥130
Hardware Security Enthusiast Electronic Door Gate SDR and Bypass Seeking cyber security , hardware h@acker for electronics projects internal security management company working for large commercial retailers Requirements - have dsp and sdr experience - know how to defeat most keypad entry systems - locksmith or enthusiast - hardware security enthusiast 0 无线, 电子, 计算机安全 Apr 8, 2018 Apr 8, 2018已经结束 -
Need help with CCNA/ GNS3 Need help with CCNA. Will provide more details in a chat. MAX BUDGET AU$10. 2 无线, 思科, 网络管理, Network Sales Apr 8, 2018 Apr 8, 2018已经结束 ¥58
Electrical ENG Wanted Bio-telemetry for implantable medical devices. The 868-868.6 MHz, 902.8-928 MHz, and 2400- 2500 MHz Industrial, Scientifi c, and Medical (ISM) bands are suggested for implantable medical device bio telemetry. I would like to share details with the right person 6 无线, 电子, 电機工程, Research Writing, 通讯工程 Apr 7, 2018 Apr 7, 2018已经结束 ¥82
Matlab simulink Fading channel experimentation using MATLAB Simulink 16 无线, 矩阵及数学软件, 电機工程 Apr 7, 2018 Apr 7, 2018已经结束 ¥183
Mata lab code for double Gamma functions Require the complete MATLAB code for the attached paper title "Tang, S., Dong, Y., Zhang, X., “Impulse response modeling for underwater wireless optical communication links”, IEEE Transactions on communications, Vol. 62, No. 1, pp.226-234,2014. " 3 无线, 工程, 矩阵及数学软件, 电機工程, 通讯工程 Apr 6, 2018 Apr 6, 2018已经结束 ¥132
Automated meter reading systems The project is on meter data management and automated meter reading systems. We wish to develop a platform (Lora WAN based) that can read multi-brand of electric meters (DLMS/COSEM meters and Non DLMS/COSEM meters)connected via GSM. 12 无线, 电子, 微控制器, 电機工程 Apr 6, 2018 Apr 6, 2018已经结束 ¥6457
Network engineer,CCNA 1. Responsible for after-sales support of network equipment (including network equipment testing, maintenance, patrol, customer training and technical support); 2. Capable of network fault diagnosis and processing. 3. Maintenance of network environment and maintenance of terminal equipment. 1. Computer, electronics, communication, building intelligence and other related majors; 2. Have relev... 24 系统管理, 无线, 计算机安全, 思科, 网络管理 Apr 4, 2018 Apr 4, 2018已经结束 ¥3060
i need wifi in the house he needs to put the wifi in the house 4 无线 Apr 3, 2018 Apr 3, 2018已经结束 ¥142
Project for Alate I. I currently have a problem and need help General operation: I am currently working on a project in which 4 tire pressure modules (each soldered with the radio module RFM24W (compatible with SI4460), the RTC DS3231, Atmega 328P-AU Microcontroller and the sensor MS5803-07BA) communicate with a central unit (soldered with Arduino Nano and with a RFM24W Transceiver from HOPERF). The central unit se... 1 C 编程, 无线, 矩阵及数学软件, 微控制器, , Arduino Apr 3, 2018 Apr 3, 2018已经结束 ¥1574
Private project for selective freelancer This is a sub project for selective freelancer bases on early communication. Project detail and requirement to be provided after it is accepted. Step a for "CC2530 / CC2630 Zigbee Project" 3 无线, 电子, 矩阵及数学软件, 电機工程 Apr 3, 2018 Apr 3, 2018已经结束 ¥2419
Vehicular Ad-Hoc Network I need to simulate different VANET routing protocols using NS2 or MATLAB. then I need results including graphs and explanations. 13 无线, 工程, 矩阵及数学软件, 电機工程, 通讯工程 Apr 1, 2018 Apr 1, 2018已经结束 ¥2732
Network engineer,CCNA 1. Responsible for after-sales support of network equipment (including network equipment testing, maintenance, patrol, customer training and technical support); 2. Capable of network fault diagnosis and processing. 3. Maintenance of network environment and maintenance of terminal equipment. 1. Computer, electronics, communication, building intelligence and other related majors; 2. Have relev... 27 系统管理, 无线, 计算机安全, 思科, 网络管理 Mar 30, 2018 Mar 30, 2018已经结束 ¥3066
Implementation of Leach protocol on tinyos I have a Wireless sensor network project, I need to implement the leach protocol on a hardware that is compatible with tinyos. You must have: -Theorical background on WSN. -Experience on implementation on Tinyos. 1 C 编程, 无线, 工程, Verilog / VHDL, C++编程 Mar 29, 2018 Mar 29, 2018已经结束 ¥120
Network Design using Packet tracer Find the attached document for further instructions. 25 无线, 工程, 计算机安全, 思科, 网络管理 Mar 29, 2018 Mar 29, 2018已经结束 ¥246
Wifi Network Design At present, we are facing a problem with wifi network. We want to optimally utilize it. We are getting huge data loss from wifi network. See this report << Ookla Speedtest >> ACT (ISP) Direct: ping 1ms download 792.92 Mbps upload 915.87 Mbps around 9:24 pm on 28/Mar via Firewall: ping 1ms download 327.79 Mbps (60% data loss) upload 348.93 Mbps (62% data loss) aroun... 11 无线, 电子, 计算机安全, 思科, 网络管理 Mar 29, 2018 Mar 29, 2018已经结束 ¥935
Network engineer,CCNA 1. Responsible for after-sales support of network equipment (including network equipment testing, maintenance, patrol, customer training and technical support); 2. Capable of network fault diagnosis and processing. 3. Maintenance of network environment and maintenance of terminal equipment. 1. Computer, electronics, communication, building intelligence and other related majors; 2. Have relev... 36 系统管理, 无线, 计算机安全, 思科, 网络管理 Mar 29, 2018 Mar 29, 2018已经结束 ¥2839
4G LTE architecture proposal paper 6 pages proposal to any one want to install such network 14 无线, 技术写作, 思科, Research Writing, 网络管理 Mar 28, 2018 Mar 28, 2018已经结束 ¥403
CISCO Network Simulation Hi there I need to create a study case for a company simulated in packet tracer. Please review the PDF attached and come back at me. Kind Greetings Kaan 29 系统管理, 无线, 计算机安全, 思科, 网络管理 Mar 28, 2018 Mar 28, 2018已经结束 ¥1160
Implementation of Leach protocol on tinyos I have a Wireless sensor network project, I need to implement the leach protocol on a hardware that is compatible with tinyos. You must have: -Theorical background on WSN. -Experience on implementation on Tinyos. 3 C 编程, 无线, 工程, Verilog / VHDL, C++编程 Mar 28, 2018 Mar 28, 2018已经结束 ¥381
Project for Truong D. -- 18/03/27 20:27:00 Hi Truong D., I noticed your profile and would like to offer you my project. We can discuss any details over chat. 1 C 编程, 无线, 工程, 电子, 矩阵及数学软件, Mar 27, 2018 Mar 27, 2018已经结束 ¥1259
Network logs analyzing / Network traffic Network logs analyzing / Network traffic 24 系统管理, 无线, 计算机安全, 思科, 网络管理 Mar 27, 2018 Mar 27, 2018已经结束 ¥229
Energy Harvester design I am doing a research about Energy Harvester and I need a help for designing a proper system using PSpice software that can harvest energy from Thermal, Vibration and RF sources to be used for mobile communication devices. 11 无线, 工程, 电子, 电機工程 Mar 26, 2018 Mar 26, 2018已经结束 ¥3160
Need answer to simple question: Expert in IR Infrared remote control hardware and protocols. I need to replace a straight 125 mm USB cable with a infrared data link but before I start project i will pay for expert advice: so i will pay $15 for the answer to a couple of basic question what is the fastest bit rate Hz etc. i can expect, basically can such a short IR link ever compete with RF or USB cable? where is the proof (website) [链接已删除,请登录查看] [链接已删除,请登录查看] Sony SIRC, Phi... 5 无线, 电子, 微控制器, 电機工程, 通讯工程 Mar 25, 2018 Mar 25, 2018已经结束 ¥145
Project for Gul N. I'm interested in a bot script or app or any other method to generate guests /peoples/viewers to room on myfreecams.com. I need somewhere between 100 and 500 viewers online in room I am interested in getting more guests in the model room They can be fake, but it would be even better if they would be registered users i want a script or traffic generator 1 无线, 计算机安全, 思科, , 网络管理, 网络安全 Mar 25, 2018 Mar 25, 2018已经结束 ¥63
simulate additional result in Omnet++ project I need these additional results to add on already done project in Omnet++ and sumo in three different scenarios (Urban,Highway,Traffic jam) : im using PSO algorthim .. please go through attached files for more details... 1-Average number of handover vs average velocity 2-Handover decision delay vs average velocity i need these results to validate my project deadline 2 weeks im Us... 2 无线, 工程, C++编程, 软件开发, 网络管理 Mar 25, 2018 Mar 25, 2018已经结束 ¥3227
iot using network based simulation Motivation: In this developed world where the Rail network forms one of the most widely used transportation systems, there is a potential need for deploying IOT systems to create connected railways. In fact, legacy infrastructure is gradually being replaced by train management systems in which trains become interconnected communication hubs, transmitting data among themselves and to network contr... 9 C 编程, Java, 无线, 工程, 网络管理 Mar 24, 2018 Mar 24, 2018已经结束 ¥1240
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