Data transmission method and apparatus
AssigneeHuawei Technologies Co., Ltd.
InventorsYunbo Li, Wei Ruan, Ming Gan, Jian Yu
Life of this patent
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Abstract
A first device performs backoff on a primary 20 MHz channel, to perform data transmission with a second device; and when a first preset condition is met, the first device switches from the primary 20 MHz channel to a first channel, where the first channel is a channel preconfigured for communication between the first device and the second device, the first channel does not include the primary 20 MHz channel, and the first preset condition at least includes that the primary 20 MHz channel is in a busy state.
Claims17
A data transmission method, comprising:
- performing, by a first device, data transmission with a second device by performing backoff on a primary 20 megahertz (MHz) channel;
- and
- in association with a first preset condition being satisfied, switching, by the first device, from the primary 20 MHz channel to a first channel preconfigured for communication between the first device and the second device, wherein
- the first channel does not include the primary 20 MHz channel,
- the first preset condition includes a target duration is greater than or equal to a first preset duration,
- the target duration includes a remaining transmission duration of a first overlapped basic service set (OBSS) frame received by the first device on the primary 20 MHz channel, or the target duration includes a remaining timing duration of a first network allocation vector (NAV) on the primary 20 MHz channel
A communication apparatus applied for a first device, the communication apparatus comprising:
- at least one processor;
- and
- at least one memory coupled to the at least one processor, the at least one memory storing instructions for execution by the at least one processor to cause the communication apparatus to:
- perform data transmission with a second device by performing backoff on a primary 20 megahertz (MHz) channel;
- and
- when a first preset condition is satisfied, switch from the primary 20 MHz channel to a first channel preconfigured for communication between the communication apparatus and the second device, wherein
- the first channel does not include the primary 20 MHz channel,
- the first preset condition includes a target duration is greater than or equal to a first preset duration,
- the target duration includes a remaining transmission duration of a first overlapped basic service set (OBSS) frame received by the first device on the primary 20 MHz channel, or the target duration includes a remaining timing duration of a first network allocation vector (NAV) on the primary 20 MHz channel.
A chip applied for a first device, the chip comprising:
- a processing circuit;
- and
- a transceiver pin, wherein the processing circuit is configured to:
- perform data transmission with a second device by performing backoff on a primary 20 megahertz (MHz) channel;
- and
- when a first preset condition is satisfied, switch from the primary 20 MHz channel to a first channel preconfigured for communication between the first device and the second device, wherein
- the first channel does not include the primary 20 MHz channel,
- the first preset condition includes a target duration is greater than or equal to a first preset duration,
- the target duration includes a remaining transmission duration of a first overlapped basic service set (OBSS) frame received by the first device on the primary 20 MHz channel, or the target duration includes a remaining timing duration of a first network allocation vector (NAV) on the primary 20 MHz channel.
Dependencies are inferred from the claim text.