Passive scanning apparatus, system, and methods
OwnerShai Waxmaninventor
Life of this patent
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Abstract
Apparatus and systems, as well as methods and articles, may operate to maintain a wireless local area network (WLAN) association using a first receive chain in a multi-chain WLAN node, and to passively scan for one or more access point(s) while maintaining the association. The passive scan may be performed using a second receive chain collocated with the first receive chain in the WLAN node, wherein the second receive chain is unassigned to participate in the WLAN association.
Claims21
An apparatus, including:
- a media access control (MAC) module to process packets in a multi-chain wireless local area network (WLAN) node;
- a first receive chain in the WLAN node, coupled to the MAC module to maintain a WLAN association involving the WLAN node;
- a second receive chain coupled to the MAC module, collocated with the first receive chain in the WLAN node and unassigned to participate in the WLAN association;
- and
- a correlator processor coupled to the second receive chain to passively scan for at least one access point during a time when the first receive chain maintains the WLAN association.
A system, including:
- a media access control (MAC) module to process packets in a multi-chain wireless local area network (WLAN) node;
- a first receive chain in the WLAN node, coupled to the MAC module to maintain a WLAN association involving the WLAN node;
- a second receive chain coupled to the MAC module, collocated with the first receive chain in the WLAN node and unassigned to participate in the WLAN association;
- a correlator processor coupled to the second receive chain to passively scan for at least one access point during a time when the first receive chain maintains the WLAN association;
- and
- an omnidirectional antenna coupled to the second receive chain to receive at least one beacon packet from the at least one access point.
A method, including:
- maintaining a wireless local area network (WLAN) association using a first receive chain in a multi-chain WLAN node;
- and
- passively scanning for at least one access point during a time when the first receive chain maintains the WLAN association, using a second receive chain collocated with the first receive chain in the WLAN node, wherein the second receive chain is unassigned to participate in the WLAN association.
An article including a machine-accessible medium having associated information, wherein the information, when accessed, results in a machine performing:
- maintaining a wireless local area network (WLAN) association using a first receive chain in a multi-chain WLAN node;
- and
- passively scanning for at least one access point during a time when the first receive chain maintains the WLAN association, using a second receive chain collocated with the first receive chain in the WLAN node, wherein the second receive chain is unassigned to participate in the WLAN association.
Dependencies are inferred from the claim text.