US 12,470,318 B2
Information transmission method and apparatus based on a list of modulation coding scheme
Lili Jin, Chengdu (CN); Xingqing Cheng, Beijing (CN); and Jian Wang, Beijing (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed on Feb. 28, 2023, as Appl. No. 18/176,297.
Application 18/176,297 is a continuation of application No. PCT/CN2021/074213, filed on Jan. 28, 2021.
Claims priority of application No. PCT/CN2020/112744 (WO), filed on Aug. 31, 2020.
Prior Publication US 2023/0283400 A1, Sep. 7, 2023
Int. Cl. H04L 1/00 (2006.01); H04L 27/22 (2006.01)
CPC H04L 1/0003 (2013.01) [H04L 27/22 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An information transmission method, comprising:
receiving a first modulation and coding scheme (MCS) index from a second node, wherein the first MCS index corresponds to a first modulation mode; and
receiving data from the second node or sending data to the second node based on the first modulation mode,
wherein a first MCS information subset in which the first MCS index is located belongs to a predefined MCS information set and the predefined MCS information set comprises 32 MCS information subsets; and
the first MCS information subset comprises first spectral efficiency and/or a first code rate corresponding to the first MCS index, the first modulation mode or a modulation order corresponding to the first modulation mode,
wherein the first code rate is a ratio of the first spectral efficiency corresponding to the first MCS index to the modulation order corresponding to the first modulation mode,
wherein one of:
there are nine MCS information subsets whose modulation modes are quadrature phase shift keying (QPSK) in the predefined MCS information set, and a spectral efficiency set corresponding to the MCS information subsets whose modulation modes are QPSK is {0.2891, 0.3691, 0.4668, 0.5801, 0.7207, 0.8828, 1.0586, 1.2441, 1.4258}, or a code rate set corresponding to the MCS information subsets is {0.1445, 0.1846, 0.2334, 0.2900, 0.3604, 0.4414, 0.5293, 0.6221, 0.7129}; or
there are 10 MCS information subsets whose modulation modes are QPSK in the predefined MCS information set, and a spectral efficiency set corresponding to the MCS information subsets whose modulation modes are QPSK is {0.2891, 0.3691, 0.4668, 0.5801, 0.7207, 0.8828, 1.0586, 1.2441, 1.4258, 1.6016}, or a code rate set corresponding to the MCS information subsets is {0.1445, 0.1846, 0.2334, 0.2900, 0.3604, 0.4414, 0.5293, 0.6221, 0.7129, 0.8008}; or
there are four MCS information subsets whose modulation modes are 16 quadrature amplitude modulation (QAM) in the predefined MCS information set, and a spectral efficiency set corresponding to the MCS information subsets whose modulation modes are 16QAM is {1.5273, 1.8008, 2.0781, 2.4023}, or a code rate set corresponding to the MCS information subsets is {0.3818, 0.4502, 0.5195, 0.6006}; or
there are seven MCS information subsets whose modulation modes are 16QAM in the predefined MCS information set, and a spectral efficiency set corresponding to the MCS information subsets whose modulation modes are 16QAM is {1.8008, 2.0781, 2.4023, 2.7344, 3.0430, 3.3320, 3.5430}, or a code rate set corresponding to the MCS information subsets is {0.4502, 0.5195, 0.6006, 0.6836, 0.7607, 0.8330, 0.8857}; or
there are nine MCS information subsets whose modulation modes are 64QAM in the predefined MCS information set, and a spectral efficiency set corresponding to the MCS information subsets whose modulation modes are 64QAM is {2.4199, 2.7480, 3.1055, 3.4746, 3.8379, 4.2129, 4.5879, 4.9102, 5.2500}, or a code rate set corresponding to the MCS information subsets is {0.4033, 0.4580, 0.5176, 0.5791, 0.6396, 0.7021, 0.7646, 0.8184, 0.8750}; or
there are six MCS information subsets whose modulation modes are 64QAM in the predefined MCS information set, and a spectral efficiency set corresponding to the MCS information subsets whose modulation modes are 64QAM is {3.8379, 4.2129, 4.5879, 4.9102, 5.2500, 5.5020}, or a code rate set corresponding to the MCS information subsets is {0.6396, 0.7021, 0.7646, 0.8184, 0.8750, 0.9170}; or
there are five MCS information subsets whose modulation modes are 256QAM in the predefined MCS information set, and a spectral efficiency set corresponding to the MCS information subsets whose modulation modes are 256QAM is {5.2813, 5.7188, 6.1797, 6.6016, 7.0000} or {5.7188, 6.1797, 6.6016, 7.0000, 7.3203}, or a code rate set corresponding to the MCS information subsets is {0.6602, 0.7148, 0.7725, 0.8252, 0.8750} or {0.7148, 0.7725, 0.8252, 0.8750, 0.9150}; or
there are five MCS information subsets whose modulation modes are 1024QAM in the predefined MCS information set, and a spectral efficiency set corresponding to the MCS information subsets whose modulation modes are 1024QAM is {7.0996, 7.5000, 7.9297, 8.3594, 8.7500}, or a code rate set corresponding to the MCS information subsets is {0.7100, 0.7500, 0.7930, 0.8359, 0.8750}; or
there are four MCS information subsets whose modulation modes are 1024QAM in the predefined MCS information set, and a spectral efficiency set corresponding to the MCS information subsets whose modulation modes are 1024QAM is {7.5000, 7.9297, 8.3594, 9.2285}, or a code rate set corresponding to the MCS information subsets is {0.7500, 0.7930, 0.8359, 0.9229}.