Selecting transmission technology for communications in wide area mobile networks
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United States of America Patent
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Jun 25, 2013
Grant Date -
Apr 14, 2011
app pub date -
Jul 14, 2010
filing date -
Jul 14, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Method and RNC for selecting transmission technology when a UE enters the network, which checks whether the UE is MIMO and, if so and only one carrier is available, allocates its traffic to said carrier and uses a S-CPICH to provide all MIMO traffic with a diversity pilot and Virtual Antenna Mapping for balance. If more than one carrier is available, the number of UEs, their radio conditions and load of carriers are checked periodically. If the carrier is busy only with MIMO and its load is higher than the load of the remaining carriers, diversity CPICH of STTD is selected; otherwise and only if the UEs vulnerable to STTD with good radio conditions exceed a certain number, the S-CPICH is selected. The RNC can reconfigure the network from transmitting MIMO traffic with STTD to using MIMO with S-CPICH or vice versa dynamically by periodical check of the load and UEs criteria for configuration change.
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International Classification(s)
- H04L:TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAP....
- G08C:TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL ....
- H04B:TRANSMISSION
- G06F:ELECTRIC DIGITAL DATA PROCESSING
- H03C:MODULATION
- H04W:WIRELESS COMMUNICATION NETWORKS
- G01R:MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC V....
- H04J:MULTIPLEX COMMUNICATION
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- [Patents Count]
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