当应用程序处于后台时，每5分钟通过iPhone应用程序向服务器发送位置更新

I want to build a function where the current location of the user will be send to the server in every 5 minutes.Doesn't really sound like something Apple is going to like. This will be an in-house app though (and the users know their location are used), are rules less strict for this? Anyone any experience on this?I want to build a function where the current lo