CQI feedback method, terminal, network device and related computer-readable medium
A technology of network equipment and terminals, which is applied in the field of communication, can solve problems such as reducing the transmission performance of communication systems, and achieve the effects of improving performance, high data transmission rate, and increasing data transmission rate
Inactive Publication Date: 2018-12-18
SHENZHEN GIONEE COMM EQUIP
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However, the modulation and coding methods supported by each bit of information in a codeword may be different. According to the practice in the prior art, using the same modulation and coding method to encode all the bit information in a codeword reduces the transmission of the communication system. performance
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[0049] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. The embodiments of the present invention, and all other embodiments obtained by those of ordinary skill in the art without creative work, fall within the protection scope of the present invention.
[0050] It should be noted that the terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. The singular forms of "a", "said" and "the" used in the embodiments of the present invention and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings. It should also be understood that ...
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The invention discloses a CQI feedback method, a terminal and a piece of network equipment. The method comprises the following steps: a terminal receives a reference signal sent by the network equipment; the terminal obtains radio channel state information according to the measurement of the reference signal. The radio channel state information comprises a CQI of a codeword and a CQI of at least one code block group; the terminal feeds back the radio channel state information to the network device, so that the network device selects a modulation coding mode according to a selection strategy tomodulate and code the codeword or at least one code block group according to the CQI of the codeword and the CQI of the at least one code block group. The scheme can be compatible with the LTE network and the fifth generation mobile communication NR network, Moreover, the network equipment can select the appropriate modulation and coding mode to modulate and code the codeword or each CBG according to the specific situation of each CBG, so that part of the CBG can obtain higher data transmission rate when transmitting through the channel, and the performance of the communication system can beimproved.
Description
Technical field [0001] The present invention relates to the field of communications, in particular to a channel quality indicator (Channel Quality Indicator, CQI) feedback method, terminal, network equipment, related computer readable media and program products. Background technique [0002] Resource scheduling is a key technology of the LTE system and the fifth-generation mobile communication New Radio (NR) network. CQI is the most important consideration for resource scheduling, and it is also a measurement standard for wireless channel communication quality. The CQI is an indication about the quality of the downlink channel that the terminal measures and obtains according to the downlink reference signal, and the terminal feeds it back to the network device so that the network device completes the scheduling of the downlink data according to the CQI. [0003] CQI is a parameter used to reflect the quality of the channel, with 0-15 to represent the channel quality, 0 represents t...
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IPC IPC(8): H04B7/06H04L1/00H04L1/16
CPCH04B7/0632H04L1/0026H04L1/1607
Inventor 乔梁
Owner SHENZHEN GIONEE COMM EQUIP