Find Jobs
Hire Freelancers

Bluetooth and WiFi-Direct interfacing using Smartphone

$30-250 USD

已关闭
已发布将近 9 年前

$30-250 USD

货到付款
Develop an android/iOS/windows phone app to observe the data transfer characteristics between two smart devices. One device will act as server and another as client. Requirements: a. Check the distance at which they get connected and disconnected [range check] b. Check the data transfer rate keeping the phones at different distances in two ways. - In the first way, users will input their distance and transfer files. Corresponding data transfer rates will be logged in the database. - In the second option, GPS will be used to measure the distance between devices. The file transfer and the logging activity remains the same. c. Repeat the step b, while both of the devices are in moving state. d. Compare the results obtained between step b and c. e. Compare the results of step b and c with official Bluetooth specs. g. After gathering enough data in step b, derive formula for path loss shadowing or curve fitting. How does it differ for different devices? f. Test the results on the fitted curve to obtain distance from data transfer rate. g. Create multiple connections and transfer data simultaneously to observe the changes in data Transfer rate. h. Try with different file sizes. What is the lowest file size showing the similar trend as the larger files? i. Repeat the steps a-f for Bluetooth RSSI, Link Quality, Bit Error Rate, and Received Power. *Data transfer has to be seamless, without intervention of the users. Once the devices come in the contact ranges of each other they should be able to start communicating. All the results should be presentable inside the app itself.
项目 ID: 7924151

关于此项目

1条提案
远程项目
活跃9 年前

想赚点钱吗?

在Freelancer上竞价的好处

设定您的预算和时间范围
为您的工作获得报酬
简要概述您的提案
免费注册和竞标工作
1威客以均价$35 USD来参与此工作竞标
用户头像
A proposal has not yet been provided
$35 USD 在3天之内
0.0 (0条评论)
0.0
0.0

关于客户

UNITED STATES的国旗
United States
0.0
0
会员自6月 24, 2015起

客户认证

谢谢!我们已通过电子邮件向您发送了索取免费积分的链接。
发送电子邮件时出现问题。请再试一次。
已注册用户 发布工作总数
Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)
Copyright © 2024 Freelancer Technology Pty Limited (ACN 142 189 759)
加载预览
授予地理位置权限。
您的登录会话已过期而且您已经登出,请再次登录。