Patent US5594731A successfully refreshed from Google Patents.
US5594731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Access point tracking for mobile wireless network node
Assignee: MediaTek Inc
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Filing: 1995-07-24
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Granted: 1997-01-14
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Expires: 2015-07-24
Abstract
Abstract An internetworking node for providing internetworking services for mobile wireless nodes is disclosed. Each mobile wireless node is associated with at the most one internetworking node. Each mobile wireless node selects which internetworking node it will associate with. The internetworking node will then act for all wireless nodes associated to it in relaying messages between wireless nodes or between a wired lane and the wireless nodes. A tracking mechanism for such a system which maintains a table of all the internetworking nodes the wireless node has recently heard and deleting all such internetworking nodes which have not been heard recently is disclosed.
Inventors
- 👤 Peter E. Reissner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:55
CPC Classifications
H; H04; H04W; H04W84/00; H04W84/18; H04W84/20; H04L; H04L12/00; H04L12/28; H04W40/00; H04W40/24; H04W8/00; H04W8/005; H04W92/00; H04W92/02
Claims Analysis
Total Claims: 34
Claim 1
Independent Claim
115 words
A node for use in a network having a plurality of internetworking nodes, said node comprising wireless network adapter means to send data by wireless communication to other nodes in the network and to receive data by wireless communication from other nodes in the network; recognition means to select data received through said wireless network adapter means from an internetworking node and containing information as to the address of such internetworking node, means for maintaining a table of internetworking nodes using the selected data, means for updating said table each time data is selected, and means for deleting from said table any internetworking node for which the selected data does not meet a desired criterion.
Claim 2
Dependent Claim
115 words
A node for use in a network having a plurality of internetworking nodes, said node comprising wireless network adapter means to send data by wireless communication to other nodes in the network and to receive data by wireless communication from other nodes in the network; recognition means to select data received through said wireless network adapter means from an internetworking node and containing information as to the address of such internetworking node, means for maintaining a table of internetworking nodes using the selected data, means for updating said table each time data is selected, and means for deleting from said table any internetworking node for which the selected data does not meet a desired criterion.
Claim 3
Dependent Claim
119 words
A node for use in a network having a plurality of internetworking nodes, said nod comprising: wireless network adapter means to send data by wireless communication to other nodes in the network and to receive data by wireless communication from other nodes in the network; recognition means to select data received through said wireless network adapter means from an internetworking node and containing information as to the address of such internetworking node; means for maintaining a table of internetworking nodes using the selected data; means for updating said table each time data is selected; and means for deleting from said table any internetworking node for which the selected data has last been selected within a predetermined period of time.
Claim 4
Dependent Claim
119 words
A node for use in a network having a plurality of internetworking nodes, said nod comprising: wireless network adapter means to send data by wireless communication to other nodes in the network and to receive data by wireless communication from other nodes in the network; recognition means to select data received through said wireless network adapter means from an internetworking node and containing information as to the address of such internetworking node; means for maintaining a table of internetworking nodes using the selected data; means for updating said table each time data is selected; and means for deleting from said table any internetworking node for which the selected data has last been selected within a predetermined period of time.
Claim 5
Dependent Claim
139 words
A node for use in a network having a plurality of internetworking nodes, said node comprising: wireless network adapter means to send data by wireless communication to other nodes in the network and to receive data by wireless communication from other nodes in the network; recognition means to select data received through said wireless network adapter means from an internetworking node and containing information as to the address of such internetworking node; means for maintaining a table of internetworking nodes using the selected data; means for updating said table each time data is selected; and means for deleting from said table any internetworking node for which the selected data respecting said internetworking node has last been selected within an interval in which data regarding any other internetworking node has not been selected more than a predetermined number of times.
Claim 6
Dependent Claim
139 words
A node for use in a network having a plurality of internetworking nodes, said node comprising: wireless network adapter means to send data by wireless communication to other nodes in the network and to receive data by wireless communication from other nodes in the network; recognition means to select data received through said wireless network adapter means from an internetworking node and containing information as to the address of such internetworking node; means for maintaining a table of internetworking nodes using the selected data; means for updating said table each time data is selected; and means for deleting from said table any internetworking node for which the selected data respecting said internetworking node has last been selected within an interval in which data regarding any other internetworking node has not been selected more than a predetermined number of times.
Claim 7
Independent Claim
93 words
A method of tracking which internetworking nodes are within data-exchanging range of a wireless node in a wireless network having a plurality of internetworking nodes, said method comprising steps of selecting data received by said wireless node through said wireless network from an internetworking node and containing information as to the address of such internetworking node, maintaining a table of internetworking nodes using the selected data, updating said table each time data is selected, and deleting from said table any internetworking node for which the selected data does not meet a desired criterion.
Claim 8
Independent Claim
93 words
A method of tracking which internetworking nodes are within data-exchanging range of a wireless node in a wireless network having a plurality of internetworking nodes, said method comprising steps of selecting data received by said wireless node through said wireless network from an internetworking node and containing information as to the address of such internetworking node, maintaining a table of internetworking nodes using the selected data, updating said table each time data is selected, and deleting from said table any internetworking node for which the selected data does not meet a desired criterion.
Claim 9
Independent Claim
102 words
A method of tracking which internetworking nodes are within data-exchanging range of a wireless node in a wireless network having a plurality of internetworking nodes, said method comprising the steps of: selecting data received by said wireless node through said wireless network from an internetworking node and containing information as to the address of such internetworking node; maintaining a table of internetworking nodes using the selected data; updating said table each time data is selected; and deleting from said table any internetworking node for which the selected data respecting said internetworking node has last been selected within a predetermined period of time.
Claim 10
Independent Claim
102 words
A method of tracking which internetworking nodes are within data-exchanging range of a wireless node in a wireless network having a plurality of internetworking nodes, said method comprising the steps of: selecting data received by said wireless node through said wireless network from an internetworking node and containing information as to the address of such internetworking node; maintaining a table of internetworking nodes using the selected data; updating said table each time data is selected; and deleting from said table any internetworking node for which the selected data respecting said internetworking node has last been selected within a predetermined period of time.
Claim 11
Independent Claim
118 words
A method of tracking which internetworking nodes are within data-exchanging range of a wireless node in a wireless network having a plurality of internetworking nodes, said method comprising the steps of: selecting data received by said wireless node through said wireless network from an internetworking node and containing information as to the address of such internetworking node; maintaining a table of internetworking nodes using the selected data; updating said table each time data is selected; and deleting from said table any internetworking node for which the selected data respecting said internetworking node has last been selected within an interval in which data regarding any other internetworking node has not be selected more than a predetermined number of times.
Claim 12
Independent Claim
118 words
A method of tracking which internetworking nodes are within data-exchanging range of a wireless node in a wireless network having a plurality of internetworking nodes, said method comprising the steps of: selecting data received by said wireless node through said wireless network from an internetworking node and containing information as to the address of such internetworking node; maintaining a table of internetworking nodes using the selected data; updating said table each time data is selected; and deleting from said table any internetworking node for which the selected data respecting said internetworking node has last been selected within an interval in which data regarding any other internetworking node has not be selected more than a predetermined number of times.
Claim 13
Dependent Claim
100 words
A tracking means, for use in a network having a plurality of internetworking nodes to track what internetworking node are within data-exchanging range of a particular wireless node, said tracking means comprising: recognition means to select data received by said wireless node from an internetworking node and containing information as to the address of such internetworking node, means for maintaining a table of internetworking nodes using the selected data, means for updating said table each time data is selected, and means for deleting from said table any internetworking node for which the selected data does not meet a desired criterion.
Claim 14
Dependent Claim
100 words
A tracking means, for use in a network having a plurality of internetworking nodes to track what internetworking node are within data-exchanging range of a particular wireless node, said tracking means comprising: recognition means to select data received by said wireless node from an internetworking node and containing information as to the address of such internetworking node, means for maintaining a table of internetworking nodes using the selected data, means for updating said table each time data is selected, and means for deleting from said table any internetworking node for which the selected data does not meet a desired criterion.
Claim 15
Dependent Claim
108 words
A tracking means, for use in a network having a plurality of internetworking nodes to track hat internetworking node are within data-exchanging range of a particular wireless node, said tracking means comprising: recognition means to select data received by said wireless node from an internetworking node and containing information as to the address of such internetworking node; means for maintaining a table of internetworking nodes using the selected data; means for updating said table each time data is selected; and means for deleting from said table any internetworking node for which the selected data respecting said internetworking node has last been selected within a predetermined period of time.
Claim 16
Dependent Claim
108 words
A tracking means, for use in a network having a plurality of internetworking nodes to track hat internetworking node are within data-exchanging range of a particular wireless node, said tracking means comprising: recognition means to select data received by said wireless node from an internetworking node and containing information as to the address of such internetworking node; means for maintaining a table of internetworking nodes using the selected data; means for updating said table each time data is selected; and means for deleting from said table any internetworking node for which the selected data respecting said internetworking node has last been selected within a predetermined period of time.
Claim 17
Dependent Claim
124 words
A tracking means, for use in a network having a plurality of internetworking nodes to track what internetworking node are within data-exchanging range of a particular wireless node, said tracking means comprising: recognition means to select data received by said wireless node from an internetworking node and containing information as to the address of such internetworking node, means for maintaining a table of internetworking nodes using the selected data, means for updating said table each time data is selected, and means for deleting from said table any internetworking node for which the selected data respecting said internetworking node has last been selected within an interval in which data regarding any other internetworking node has not been selected more than a predetermined number of times.
Claim 18
Dependent Claim
124 words
A tracking means, for use in a network having a plurality of internetworking nodes to track what internetworking node are within data-exchanging range of a particular wireless node, said tracking means comprising: recognition means to select data received by said wireless node from an internetworking node and containing information as to the address of such internetworking node, means for maintaining a table of internetworking nodes using the selected data, means for updating said table each time data is selected, and means for deleting from said table any internetworking node for which the selected data respecting said internetworking node has last been selected within an interval in which data regarding any other internetworking node has not been selected more than a predetermined number of times.
Claim 19
Dependent Claim
122 words
A computer program product for use with a wireless node having a CPU, memory, and a wireless adapter card equipped with a wireless receiver/transmitter, said computer program product coacting with the CPU to provide a tracking mechanism in said wireless node, said computer program product comprising: a recording medium; computer readable code recorded on said recording medium for causing the CPU to select data received by said wireless node through from an internetworking node and containing information as to the address of such internetworking node; maintain a table of internetworking nodes using the selected data; update said table each time data is selected; and delete from said table any internetworking node for which the selected data does not meet a desired criterion.
Claim 20
Dependent Claim
122 words
A computer program product for use with a wireless node having a CPU, memory, and a wireless adapter card equipped with a wireless receiver/transmitter, said computer program product coacting with the CPU to provide a tracking mechanism in said wireless node, said computer program product comprising: a recording medium; computer readable code recorded on said recording medium for causing the CPU to select data received by said wireless node through from an internetworking node and containing information as to the address of such internetworking node; maintain a table of internetworking nodes using the selected data; update said table each time data is selected; and delete from said table any internetworking node for which the selected data does not meet a desired criterion.
Claim 21
Dependent Claim
130 words
A computer program product for use with a wireless node having a CPU, memory, and a wireless adapter card equipped with a wireless receiver/transmitter, said computer program product coacting with the CPU to provide a tracking means in said wireless node, said computer program product comprising: a recording medium; computer readable code recorded on said recording medium for causing the CPU to select data received by said wireless node through from an internetworking node and containing information as to the address of such internetworking node; maintain a table of internetworking nodes using the selected data; update said table each time data is selected; and delete from said table any internetworking node for which the selected data respecting said internetworking node has last been selected within a predetermined period of time.
Claim 22
Dependent Claim
130 words
A computer program product for use with a wireless node having a CPU, memory, and a wireless adapter card equipped with a wireless receiver/transmitter, said computer program product coacting with the CPU to provide a tracking means in said wireless node, said computer program product comprising: a recording medium; computer readable code recorded on said recording medium for causing the CPU to select data received by said wireless node through from an internetworking node and containing information as to the address of such internetworking node; maintain a table of internetworking nodes using the selected data; update said table each time data is selected; and delete from said table any internetworking node for which the selected data respecting said internetworking node has last been selected within a predetermined period of time.
Claim 23
Dependent Claim
146 words
A computer program product for use with a wireless node having a CPU, memory, and a wireless adapter card equipped with a wireless receiver/transmitter, said computer program product coacting with the CPU to provide a tracking mechanism in said wireless node, said computer program product comprising: a recording medium; computer readable code recorded on said recording medium for causing the CPU to select data received by said wireless node through from an internetworking node and containing information as to the address of such internetworking node; maintain a table of internetworking nodes using the selected data; update said table each time data is selected; and delete from said table any internetworking node for which the selected data respecting said internetworking node has last been selected within an interval in which data regarding any other internetworking code has not been selected more than a predetermined number of times.
Claim 24
Dependent Claim
146 words
A computer program product for use with a wireless node having a CPU, memory, and a wireless adapter card equipped with a wireless receiver/transmitter, said computer program product coacting with the CPU to provide a tracking mechanism in said wireless node, said computer program product comprising: a recording medium; computer readable code recorded on said recording medium for causing the CPU to select data received by said wireless node through from an internetworking node and containing information as to the address of such internetworking node; maintain a table of internetworking nodes using the selected data; update said table each time data is selected; and delete from said table any internetworking node for which the selected data respecting said internetworking node has last been selected within an interval in which data regarding any other internetworking code has not been selected more than a predetermined number of times.
Claim 25
Dependent Claim
161 words
A computer program product for use with a wireless node having a CPU, memory, and a wireless adapter card equipped with a wireless receiver/transmitter, said computer program product coacting with the CPU to provide a tracking mechanism in said wireless node, said computer program product comprising: a recording medium; computer readable code recorded on said recording medium for causing the CPU to select data received by node through an internetworking node emitting a beacon containing information as to its address of such internetworking node; maintain a table of internetworking nodes using the selected data; count the number of times the wireless node has received the beacon from each networking node in said table; update said table each time data is selected, and not delete from said table any internetworking node for which its beacon has last been counted in an interval in which the beacon from any other networking node has not be counted more than a predetermined number of times.
Claim 26
Dependent Claim
161 words
A computer program product for use with a wireless node having a CPU, memory, and a wireless adapter card equipped with a wireless receiver/transmitter, said computer program product coacting with the CPU to provide a tracking mechanism in said wireless node, said computer program product comprising: a recording medium; computer readable code recorded on said recording medium for causing the CPU to select data received by node through an internetworking node emitting a beacon containing information as to its address of such internetworking node; maintain a table of internetworking nodes using the selected data; count the number of times the wireless node has received the beacon from each networking node in said table; update said table each time data is selected, and not delete from said table any internetworking node for which its beacon has last been counted in an interval in which the beacon from any other networking node has not be counted more than a predetermined number of times.
Claim 27
Dependent Claim
158 words
A node for use in a network having a plurality of internetworking nodes, said node comprising: wireless network adapter means to send data by wireless communication to other nodes in the network and to receive data by wireless communication from other nodes in the network; recognition means to select data received, through said wireless network adapter means, from an internetworking node emitting a beacon containing information as to the address of such internetworking node; means for maintaining a table of internetworking nodes using the selected data; means for updating said table each time data is selected; means for counting the number of times the node has received a beacon from each internetworking node in said table; and means for not deleting from said table any internetworking node for which its beacon has last been counted in an interval in which the beacon from any other internetworking node has not been counted more than a predetermined number of times.
Claim 28
Dependent Claim
158 words
A node for use in a network having a plurality of internetworking nodes, said node comprising: wireless network adapter means to send data by wireless communication to other nodes in the network and to receive data by wireless communication from other nodes in the network; recognition means to select data received, through said wireless network adapter means, from an internetworking node emitting a beacon containing information as to the address of such internetworking node; means for maintaining a table of internetworking nodes using the selected data; means for updating said table each time data is selected; means for counting the number of times the node has received a beacon from each internetworking node in said table; and means for not deleting from said table any internetworking node for which its beacon has last been counted in an interval in which the beacon from any other internetworking node has not been counted more than a predetermined number of times.
Claim 29
Dependent Claim
14 words
The method of claim 5 wherein the predetermined period of time includes 10 seconds.
Claim 30
Dependent Claim
13 words
The method of claim 6 wherein the predetermined number of times include five.
Claim 31
Independent Claim
137 words
A method of tracking which internetworking nodes are within data-exchanging range of a wireless node in a wireless network having a plurality of internetworking nodes, said method comprising the steps of: selecting data received by said wireless node through said wireless network from an internetworking node emitting a beacon containing information as to the address of such internetworking node at regular intervals; maintaining a table of internetworking nodes using the selected data; updating said table each time data is selected; counting the number of times the said wireless node has received a beacon from each internetworking node in said table; and retaining in said table any internetworking node whose beacon has last been counted in an interval in which the beacon from any other internetworking node has not been counted more than a predetermined number of times.
Claim 32
Independent Claim
137 words
A method of tracking which internetworking nodes are within data-exchanging range of a wireless node in a wireless network having a plurality of internetworking nodes, said method comprising the steps of: selecting data received by said wireless node through said wireless network from an internetworking node emitting a beacon containing information as to the address of such internetworking node at regular intervals; maintaining a table of internetworking nodes using the selected data; updating said table each time data is selected; counting the number of times the said wireless node has received a beacon from each internetworking node in said table; and retaining in said table any internetworking node whose beacon has last been counted in an interval in which the beacon from any other internetworking node has not been counted more than a predetermined number of times.
Claim 33
Dependent Claim
163 words
A tracking means, for use in a network having a plurality of internetworking nodes to track what internetworking node are within data-exchanging range of a particular wireless node, said tracking means comprising: recognition means to select data received by said wireless node from an internetworking node emitting a beacon containing information as to the address of such internetworking node at regular intervals; means for maintaining a table of internetworking nodes using the selected data; means for updating said table each time data is selected; means for counting the number of times the wireless node has received a beacon from each internetworking node in said table; and means for deleting from said table any internetworking node for which the selected data does not meet a desired criterion and retaining in said table an internetworking node whose beacon has last been counted in an interval in which the beacon from any other internetworking node has not been counted more than a predetermined period of time.
Claim 34
Dependent Claim
163 words
A tracking means, for use in a network having a plurality of internetworking nodes to track what internetworking node are within data-exchanging range of a particular wireless node, said tracking means comprising: recognition means to select data received by said wireless node from an internetworking node emitting a beacon containing information as to the address of such internetworking node at regular intervals; means for maintaining a table of internetworking nodes using the selected data; means for updating said table each time data is selected; means for counting the number of times the wireless node has received a beacon from each internetworking node in said table; and means for deleting from said table any internetworking node for which the selected data does not meet a desired criterion and retaining in said table an internetworking node whose beacon has last been counted in an interval in which the beacon from any other internetworking node has not been counted more than a predetermined period of time.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-01-14 | 2000-07-15 | 2001-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-01-14 | 2004-07-15 | 2005-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-01-14 | 2008-07-15 | 2009-01-14 | $7700.00 | Window Closed / Lapsed |