Phase shifted time slice transmission to improve handover

Details Phase shifted time slice transmission to improve handover Phase shifted time slice transmission to improve handover

2011-02-22

2011-02-22

Sheikh, Ayaz R (Department: 2476)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S330000, C370S320000

Reexamination Certificate

active

07894399

ABSTRACT:
The present invention provides methods and apparatus for a wireless system broadcasting a plurality of data packets to at least one wireless terminal. The wireless system comprises a plurality of base stations that interfaces to a backbone network in order to receive the plurality of data packets from a service source. Data packets are sent to a wireless terminal by a first base station transmitting a first channel burst and by a second base station transmitting a second channel burst, in which corresponding time offsets of the channel bursts, as characterized by amounts phase shifts, are different. Consequently, when the wireless terminal executes a handover from the first base station to the second base station, a probability that some of the data packets are lost, as result of practical network considerations, is reduced.

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Digital Video Broadcasting (DVB); DVB-H Implementation Guidelines, Nov. 2005—ETSI TR 102 377 v1.2.1, France.

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