Service advertisements in wireless local networks

摘要

Scheme for advertising service offerings in a communications system comprising two devices, wherein a first of said two devices a. sends service information, comprising information about itself and/or other known devices i. chose timeout value TA, ii. listen for up to maximum time TA for service information sent by another device, iii. if TA timed out, continue with step a. otherwise, check whether said service information sent by another device comprises information about itself (local services); if yes, then continue with step i.; if no, then continue with step a.