Communication method and apparatus
AssigneeHuawei Technologies Co., Ltd.
InventorsQianli Ma, Huang Huang, Kuandong Gao
Life of this patent
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Abstract
Embodiments of this application provide a communication method and apparatus. In the method, the first communication apparatus may receive a first message, where the first message includes information about an expansion factor. The first communication apparatus determines a quantity of information bits based on the expansion factor, generates a to-be-sent signal based on the quantity of information bits; and transmits the to-be-sent signal. During communication, the communication apparatus uses the expansion factor in transmission, so that the quantity of information bits transmitted in a filter can be increased, to ensure high spectrum utilization and high data transmission efficiency.
Claims20
A communication method, applied to a first communication apparatus, and comprising:
- receiving a first message, wherein the first message comprises information about a roll-off factor of a filter of the first communication apparatus and information about an expansion factor, the expansion factor is in one-to-one correspondence with the roll-off factor;
- determining a quantity of information bits based on the information about the expansion factor;
- generating a to-be-sent signal based on the quantity of information bits, wherein the quantity of information bits represents a length of the to-be-sent signal after passing through the filter during modulation;
- and
- transmitting the to-be-sent signal.
A communication method, applied to a second communication apparatus, and comprising:
- determining an expansion factor, wherein the expansion factor is in one-to-one correspondence with a roll-off factor of a filter of a first communication apparatus;
- generating a first message, wherein the first message comprises information about the roll-factor and information about the expansion factor;
- and
- transmitting the first message to the first communication apparatus so that the first communication apparatus uses the expansion factor to determine a quantity of information bits for transmission of a signal, wherein the quantity of information bits represents a length of the signal after passing through the filter during modulation.
A first communication apparatus, comprising:
- an input/output circuit, configured to receive a first message, wherein the first message comprises information about a roll-off factor of a filter of the first communication apparatus and information about an expansion factor, the expansion factor is in one-to-one correspondence with the roll-off factor;
- a processing circuit, configured to determine a quantity of information bits based on the expansion factor, and generate a to-be-sent signal based on the quantity of information bits, wherein the quantity of information bits represents a length of the to-be-sent signal after passing through the filter during modulation, and wherein
- the input/output circuit is further configured to transmit the to-be-sent signal.
Dependencies are inferred from the claim text.