Method for executing handover in a radio extension of an ATM net

Details Method for executing handover in a radio extension of an ATM net Method for executing handover in a radio extension of an ATM net

1997-02-18

1999-04-20

Horabik, Michael

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

370329, 455436, 455437, 455439, H04Q 700

Patent

active

058963731

ABSTRACT:
In the handover of a radio extension of an ATM network there are used markers that are located at fixed locations in the ATM cell stream in order to indicate the ending of an uplink and downlink cell stream, so that the switching of cell streams can be carried out in a synchronised fashion, and cells are not lost and their relative order does not change. If a downlink data transmission via the old access point succeeds, the old access point attaches to the last forwarded information field a notice of closing the traffic, in which case the mobile terminal transfers the information of successful transmission to the new access point. In another case, the old access point sends the unforwarded cells to the new access point and terminates the transaction with the same marker that generally indicates the end of a downlink cell stream.

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"BAHAMA: A Broadband Ad-Hoc Wireless ATM Local-Area Network", Proc. ICC '95, K. Y. Eng. et al.

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