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1. (WO2018145756) COMMUNICATION DEVICE HAVING A DUAL PROTOCOL WIRELESS INTERFACE

Pub. No.:    WO/2018/145756    International Application No.:    PCT/EP2017/052970
Publication Date: Fri Aug 17 01:59:59 CEST 2018 International Filing Date: Sat Feb 11 00:59:59 CET 2017
IPC: H04W 48/16
H04W 8/00
H04W 84/18
Applicants: SONOVA AG
Inventors: FERRARI, Federico
EL-HOIYDI, Amre
Title: COMMUNICATION DEVICE HAVING A DUAL PROTOCOL WIRELESS INTERFACE
Abstract:
There is provided a communication device having a wireless interface (20) including a transceiver (28) and a controller (38) configured to use the transceiver when applying a first protocol, which is a Bluetooth BR/EDR protocol, and also when applying a second protocol, which is suitable for audio streaming, and to use the transceiver for a Bluetooth BR/EDR inquiry scan and/or page scan procedure for data packets sent by an external device (40), wherein the scan procedure comprises a set of N scan segments during which the transceiver is used for inquiry / page scanning, each scan segment having a start time and a frequency, wherein each scan segment is executed during idle times of the second protocol; wherein the duration of each scan segment is at least 1.0055 ms and less than 10.625 ms; wherein the set of scan segments comprises at least two different frequencies and wherein the frequency changes more often than every 1.28 sec.