h3c 的AC+AP无线覆盖，手机移动客户端频繁掉线

我公司采用的是贵公司的Ac+Ap做的无线覆盖，2.4+5GHZ的双频AP，portal认证+mac认证，目前发现一个问题，笔记本电脑连接无线正常，但是android手机终端连接后，频繁掉线，持续时间不超过2分钟，一下是在手机端利用wififix记录的信息：

2016-08-31 15:24:20: Supplicant State:ASSOCIATING

2016-08-31 15:24:20: Supplicant State:ASSOCIATED

2016-08-31 15:24:20: "BaojiDcn" : Network Disconnected

2016-08-31 15:24:20: Supplicant State:FOUR_WAY_HANDSHAKE

2016-08-31 15:24:20: Supplicant State:GROUP_HANDSHAKE

2016-08-31 15:24:20: Supplicant State:COMPLETED

2016-08-31 15:24:20: Cached IP:133.81.100.1

2016-08-31 15:24:20: Target Host set to:133.81.100.1

2016-08-31 15:24:20: Check Type:ICMP

2016-08-31 15:24:20: Connected to Network: : "BaojiDcn"

2016-08-31 15:24:50: WFMonitor Acquiring Wake Lock

2016-08-31 15:24:51: Network Check:

2016-08-31 15:24:51: 133.81.100.1:ICMP_OK:6ms

2016-08-31 15:24:52: Current dBm:-61

2016-08-31 15:24:52: WFMonitor Releasing Wake Lock

2016-08-31 15:25:32: Supplicant State:DISCONNECTED

2016-08-31 15:25:32: "BaojiDcn" : Network Disconnected

2016-08-31 15:25:32: Supplicant State:SCANNING