发明名称 |
Preemptive roaming in a cellular local area wireless network |
摘要 |
A communications network comprising a cellular local area wireless network includes a plurality of access points connected to a housed computer and each other, and a plurality of mobile units each mobile unit being arranged for association with an access point. The mobile units are arranged to periodically scan for and identify the most eligible access point for association on the basis of the criteria of best quality signal strength and loading factor. In order to identify when mobile units are being removed from a predetermined area, access points having directional antennae are situated adjacent exit points to detect when mobile units are in a vicinity. |
申请公布号 |
US5815811(A) |
申请公布日期 |
1998.09.29 |
申请号 |
US19950549051 |
申请日期 |
1995.10.27 |
申请人 |
SYMBOL TECHNOLOGIES, INC. |
发明人 |
PINARD, PATRICK;HEIMAN, FREDERIC |
分类号 |
H04B1/713;G06K7/00;G06K17/00;H04B1/707;H04L5/14;H04L12/28;H04L12/56;H04W48/16;H04W48/20;H04W84/12;H04W88/06;(IPC1-7):H04M11/00;H04Q7/00 |
主分类号 |
H04B1/713 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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