Method and apparatus for inter-cell handover in wireless networks using multiple protocols
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Abstract
A communication system formed by a private wireless network that can be used with public wireless networks using a public wireless protocol, such as GSM, and typically includes public networks, such as PSTN, ISDN and the Internet, using a wired-packet protocol, such as IP. The private network also typically includes a local area network (LAN) and the private network typically connects to the public networks using the wired-packet protocol, such as IP. The public and private wireless networks operate with the same public wireless protocol, such as GSM, and the private wireless network additionally operates with the wired-packet protocol, such as IP. In this environment, multiple wireless cells are present and inter-cell handovers employ multiple protocols including the wired-packet protocol.
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Citations
64 Claims
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1-45. -45. (canceled)
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46. In an anchor base transceiver station (BTS), a method for performing a handoff of a wireless mobile station from the anchor BTS to a target BTS, the method comprising:
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identifying the target BTS using measurement data from the mobile station;
issuing a request message to the target BTS to request that the target BTS allocate resources at the target BTS to accommodate the mobile station; and
instructing the mobile station to handoff to the target BTS. - View Dependent Claims (50, 51, 52, 53, 54, 55, 56, 57, 58, 59)
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60. An apparatus for performing a handoff of a wireless mobile station from an anchor base station transceiver (BTS) to a target BTS, the apparatus comprising:
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means for determining the target BTS using measurement data from the mobile station;
means for issuing a request message to the target BTS to request that the target BTS allocate resources at the target BTS to accommodate the mobile station; and
means for instructing the mobile station to handoff to the target BTS.
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61. An anchor base station transceiver (BTS) for performing a handoff of a wireless mobile station from the BTS to a target BTS, the apparatus comprising:
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means for identifying the target BTS using measurement data from a mobile station;
a call control (CC) module configured to issue a request message to the target BTS to request that the target BTS allocate resources at the target BTS to accommodate the mobile station; and
a radio resource (RR) module configured to instruct the mobile station to handoff to the target BTS. - View Dependent Claims (62, 63, 64)
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Specification