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Re: [bluetooth-dev] transmit power




Hello Ron,
equipment with power control capability optimizes the output power in a
link with LMP commands, not from the upper protocol stack. It is done by
measuring Receiver Signal Strength Indicator (RSSI) and report back if the
power should be increased of decreased.
Sending the LMP PDU <LMP_incr_power_req> is only possible  when the device
is in test mode.
Dynamic control is available through software, however it is done in LMP
software, which usually runs as firmware in the Baseband/Link Manager
chips, and not in the protocol stack above HCI.
I hope this helps.,
Ralf


                                                                                                                      
                    "Ron Alterovitz"                                                                                  
                    <rona@xxxxxxx.com>                                        
                    Sent by:                  cc:                                                                     
                    owner-bluetooth-de        Subject:     [bluetooth-dev] transmit power                             
                    v@xxxxxxx.com                                                                                        
                                                                                                                      
                                                                                                                      
                    2001-04-30 13:22                                                                                  
                                                                                                                      
                                                                                                                      




Hello,

I would like to be able to dynamically control via software the distance
that the Bluetooth device can communicate. It seems that the best way to
accomplish this is to modify the maximum transmit power of the device. Is
there a way to set the maximum transmit power using a function call
somewhere in the Bluetooth protocol stack?

Thanks,
Ron Alterovitz

rona@xxxxxxx.com



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