Back to results
US 2013/0155953 A1Published application
Channel bandwidth indication and txop protection
AssigneeSTMicroelectronics S.r.l.
InventorsLiwen Chu, George A. Vlantis
Life of this patent
Estimating the term…
Loading patent…
Loading patent…
AssigneeSTMicroelectronics S.r.l.
InventorsLiwen Chu, George A. Vlantis
Estimating the term…
Methods and systems are disclosed for the operation of wireless communication networks, in which communication channels can have possibly overlapping bandwidths of different sizes, including sensor networks operating by the IEEE 802.11ah standard. A first method of signaling to negotiate the channel bandwidth conveys the needed information in the SIG field of the PPDUs of duplicate RTS/CTS frames, and uses the SIG field of PPDUs of duplicated data, control and management frames to perform transmit opportunity protection. A second method of signaling to negotiate the channel bandwidth conveys the needed information in the scrambling sequence field of PPDUs of duplicate RTS, and uses the scrambling sequence field of PPDUs of duplicated data, control and management frames to perform transmit opportunity protection.
A method of transmitting and receiving information regarding transmission channel bandwidth negotiation and protection of transmit opportunities (TXOPs) in a communication network which comprises a plurality of fundamental channels, a plurality of transmission channels which comprise at least one fundamental channel and can have different bandwidths that can overlap in frequency, and in which transmissions are organized in frames comprising a physical protocol data unit (PPDU), the method comprising:
A system for a communication network comprising:
Dependencies are inferred from the claim text.