Full bandwidth protection mechanism for co-existence of single/multi-channel wide-bandwidth wireless systems

摘要

A technique to provide a protection mechanism, when operating over a plurality of channels in one's own BSS, to help avoid components in other BSSs from interfering or generating contention conflicts to those channels during its own communication. In one embodiment, a channel reservation signal, such as a Clear-To-Send-To-Self frame, is broadcast across each of a plurality of channels in order to reserve the plurality of wireless channels for a predetermined period of time. A broadcast or multicast frame may then be transmitted during the predetermined time utilizing one or more of the reserved wireless channels.

主权项

1. A method comprising:
identifying, by use of a wireless communication device operating within a first Basic Service Set (BSS), a plurality of channels to be utilized for an operating bandwidth as specified by a communication protocol, in which the plurality of channels include a primary channel and at least one sub-channel; broadcasting a channel reservation signal, in accordance with the communication protocol, across each of the plurality of channels to reserve each of the plurality of channels for a predetermined period of time; and transmitting, from the wireless communication device and in accordance with the communication protocol, a broadcast or multicast frame following the channel reservation signal, in which the broadcast or multicast frame utilizes one or more of the plurality of channels, but in which the plurality of channels of the operating bandwidth are reserved for the transmitting of the broadcast or multicast frame as a result of the broadcasting of the channel reservation signal by the wireless communication device to recipient communication devices within wireless communication range of the wireless communication device, including recipient communication devices operating in a second BSS.