Communication method and device
A communication method and channel technology, applied in the field of communication, can solve problems such as low network cost, no error correction mechanism, and communication quality impact, and achieve the effect of optimizing spectrum efficiency and reducing network cost.
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[0152] Such as image 3 As shown, the embodiment of the present application provides a communication method, including steps 301-306. Wherein, the communication method includes a signal sending method.
[0153] 301. The access network device sends a first downlink channel to the terminal device, where the first downlink channel is used to carry first data; where the first downlink channel is scrambled by a first identifier.
[0154] 302. The terminal device receives the first downlink channel. Further, the terminal device acquires the first data carried by the first downlink channel according to the first identifier.
[0155] In an optional design, the method further includes step 303, the terminal device determines channel resources for feeding back response information, and further, the terminal device sends a negative response to the access network device.
[0156] Further, the method further includes step 304. The access network device receives a negative acknowledgment...
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