Patent ID: 8204016

Claim:
A method for selecting a serving piconet coordinator (PNC) at a wireless device in a wireless mesh network, comprising: selecting an initial serving PNC if data is generated to transmit in a data transceiving preparation state; deciding an initial MAC frame size for transmitting/receiving a packet to/from the selected initial serving PNC and performing data communication with the selected initial serving PNC; reselecting a PNC having a best channel state from PNCs in a same coverage as a serving PNC after selecting the initial serving PNC, regularly; deciding a MAC frame size for transmitting/receiving a packet to/from the reselected serving PNC and performing data communication with the reselected serving PNC if the serving PNC is reselected; and terminating the data communication if a frame error rate (FER) of the reselected serving PNC is larger than a maximum allowable FER or if there is no data to transmit after the data communication is performed.