Label switched packet transfer device
First Claim
1. A method for transmitting packets in a network, the method comprising:
- receiving, at a network node in a cell site in the network, a first packet from a base station associated with the cell site;
appending, by the network node, information to a header of the first packet, the information identifying a path through a backbone network, wherein appending information to the header of the first packet comprises attaching a first label to the first packet, the first label identifying a first label switched path through the backbone network; and
forwarding the first packet with the appended information to a switching node in the backbone network.
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Accused Products
Abstract
A device for connecting base station(s) to a cellular label switched network in a cellular network. The cellular network includes: base station(s), the connecting device(s); cellular label switched network(s); and service area(s). The base station(s) communicates with mobile terminals using wireless technology. The wireless technology uses a protocol layer architecture that includes at least one of the following: a wireless physical layer; a wireless medium access control protocol layer; a radio link control layer; and a network layer. The connecting device(s) include: a first interface to connect to the base station(s); a second interface to connect to cellular label switched network(s); and a label forwarding layer that: forwards packets between base station(s) and cellular label switched network(s); attaches label(s) to packets and removes label(s) from packets. A service area divided into a multitude of cells through which mobile terminals can move through and communicate with base station(s).
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Citations
19 Claims
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1. A method for transmitting packets in a network, the method comprising:
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receiving, at a network node in a cell site in the network, a first packet from a base station associated with the cell site; appending, by the network node, information to a header of the first packet, the information identifying a path through a backbone network, wherein appending information to the header of the first packet comprises attaching a first label to the first packet, the first label identifying a first label switched path through the backbone network; and forwarding the first packet with the appended information to a switching node in the backbone network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A network node that is configured to transmit packets in a network, wherein the network node is configured to:
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receive a first packet from a base station associated with a cell site in the network; append information to a header of the first packet, the information identifying a path through a backbone network, wherein appending information to the header of the first packet comprises attaching a first label to the first packet, the first label identifying a first label switched path through the backbone network; and forward the first packet with the appended information to a switching node in the backbone network, wherein the network node is placed in the cell site. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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19. A system comprising:
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a base station associated with a cell site in a network; a switching node in a backbone network associated with the network; and a network node placed in the cell site and configured to forward packets between the base station and the switching node, wherein the network node is configured to; receive a first packet from the base station; append information to a header of the first packet, the information identifying a path through the backbone network, wherein appending information to the header of the first packet comprises attaching a first label to the first packet, the first label identifying a first label switched path through the backbone network; and forward the first packet with the appended information to the switching node.
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Specification