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1. (WO2017149510) CO-CHANNEL CO-EXISTENCE FOR PRIMARY AND SECONDARY SERVICES AND TECHNOLOGIES

Pub. No.:    WO/2017/149510    International Application No.:    PCT/IB2017/051260
Publication Date: Sat Sep 09 01:59:59 CEST 2017 International Filing Date: Sat Mar 04 00:59:59 CET 2017
IPC: H04W 74/08
H04W 16/14
H04W 4/00
Applicants: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Inventors: SORRENTINO, Stefano
TEJEDOR, Erika
Title: CO-CHANNEL CO-EXISTENCE FOR PRIMARY AND SECONDARY SERVICES AND TECHNOLOGIES
Abstract:
There are provided mechanisms for sharing channels in a wireless communications system (100) among wireless devices (105, 200A, 200B) that use a plurality of different access technologies. First and second wireless devices are operable to share a channel in the wireless communication system with each other. The first wireless device is operable to provide an indication to the second wireless device that the first wireless device is using a first access technology to access the channel. The second wireless device is operable to receive the indication and determine, based on the indication, that the first wireless device is using a first access technology to access the channel. Accordingly, the second wireless device can determine, based on compatibility of its access technology with that of the first wireless device, whether to refrain from using the channel or to share the channel.