Radio frequency local area network
First Claim
Patent Images
1. A communication network for exchanging communication packets that have addresses identified therein, said communication network comprising:
- a first subnet;
a plurality of mobile computing devices each of which having a unique address;
a plurality of access points utilizing tables indexed by addresses to deliver communication packets along pathways between said plurality of mobile computing devices;
each of said plurality of access points providing wireless communication with select others of said plurality of access points;
at least one of said plurality of access points providing direct, hard-wired communication to said first subnet; and
said plurality of access points dynamically arranging and rearranging the pathways to maintain efficient delivery of communication packets among said plurality of mobile computing devices.
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Abstract
An apparatus and a method for routing data in a radio data communication system having one or more host computers, one or more intermediate base stations, and one or more RF terminals organizes the intermediate base stations into an optimal spanning-tree network to control the routing of data to and from the RF terminals and the host computer efficiently and dynamically. Communication between the host computer and the RF terminals is achieved by using the network of intermediate base stations to transmit the data.
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Citations
23 Claims
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1. A communication network for exchanging communication packets that have addresses identified therein, said communication network comprising:
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a first subnet;
a plurality of mobile computing devices each of which having a unique address;
a plurality of access points utilizing tables indexed by addresses to deliver communication packets along pathways between said plurality of mobile computing devices;
each of said plurality of access points providing wireless communication with select others of said plurality of access points;
at least one of said plurality of access points providing direct, hard-wired communication to said first subnet; and
said plurality of access points dynamically arranging and rearranging the pathways to maintain efficient delivery of communication packets among said plurality of mobile computing devices. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A communication network for exchanging communication packets, each communication packet having a destination field for storing an address of a destination device, comprising:
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a first wired subnet;
a plurality of mobile terminal devices, each of said plurality of mobile terminal devices having a unique address associated with said first wired subnet;
a plurality of access points utilizing tables indexed by the unique address of said mobile terminal devices, said tables providing pathway information for delivering communication packets to said plurality of mobile terminal devices;
each of said plurality of mobile terminal devices constructs communication packets with the destination field containing the unique address of a selected other of said plurality of mobile terminal devices;
each of said plurality of access points providing wireless communication with select others of said plurality of access points;
at least one of said plurality of access points providing direct, hard-wired communication to said first subnet; and
said plurality of access points dynamically arranging and rearranging the pathway information in said tables to maintain efficient delivery of communication packets among said plurality of mobile terminal devices. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A communication network for exchanging communication packets, each communication packet having a destination field for storing an address of a destination device, comprising:
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a plurality of wired subnets;
a plurality of mobile terminal devices, each of said plurality of mobile terminal devices having a unique address associated with said plurality of wired subnets;
a plurality of access points utilizing tables indexed by the unique addresses of said plurality of mobile terminal devices, said tables providing information for delivering communication packets to said plurality of mobile terminal devices;
each of said plurality of mobile terminal devices constructs communication packets with the destination field containing the unique address of a selected other of said plurality of mobile terminal devices;
each of said plurality of access points providing wireless communication with at least one of the other of said plurality of access points;
for each of said plurality of wired subnets, at least one of said plurality of access points providing direct, hard-wired communication thereto; and
said plurality of access points providing communication pathways for exchanging communication packets between said plurality of mobile terminal devices. - View Dependent Claims (14, 15, 16, 17)
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18. A communication network for exchanging communication packets, each communication packet having a destination field for storing an address of a destination device, comprising:
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an ethernet link;
a plurality of mobile terminal devices, each of said plurality of mobile terminal devices having unique ethernet addresses associated with said ethernet link;
a plurality of access points utilizing tables indexed by the unique addresses of said mobile terminal devices, said tables providing pathway information for delivering communication packets to said plurality of mobile terminal devices;
each of said plurality of mobile terminal devices constructs communication packets with the destination field containing the unique address of a selected other of said plurality of mobile terminal devices;
each of said plurality of access points providing wireless communication with select others of said plurality of access points;
at least one of said plurality of access points providing direct, hard-wired communication to said ethernet link; and
said plurality of access points dynamically arranging and rearranging the pathway information in said tables to maintain efficient delivery of communication packets among said plurality of mobile terminal devices. - View Dependent Claims (19, 20, 21, 22, 23)
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Specification