Patent ID: 8462806

Claim:
A method for selecting a transmission path from a source mesh point (MP) to a destination MP in a mesh network, wherein the source MP broadcasts a frame comprising a path request (PREQ) element, and according to a power management state of an intermediate MP that receives the frame, the PREQ element comprises power management mode consideration information for controlling forwarding of the received PREQ element for the destination MP, wherein the PREQ element comprises a Per Destination Flags field, wherein the Per Destination Flags field comprises a destination only (DO) flag, a replay-and-forward (RF) flag, and an active only (AO) flag, wherein the DO flag indicates whether or not transmission of a path reply to the source MP is allowed, wherein the RF flag is used to control a forwarding of the PREQ at the intermediate MP, wherein the AO flag is used to control a forwarding of the PREQ element at the intermediate MP, and wherein the power management mode consideration information is associated with the AO flag included in the Per Destination Flags field comprised in the PREQ element.