[2] TAKU O, RYO M, KENJI O, et al. 200μm coated bend insensitive optical fiber complying with G.652D and G.657.A1 for high-density cable[C]//IWCS. Proceedings of the 2019 International Cable&Connectivity Symposium. Charlotte: IWCS, 2019: 9-4-1-9-4-5.

[3] PAULDEBBAN H, PETER A. Development of high density loose tube cables incorporating rollable ribbon units[C]//IWCS. Proceedings of the I2018 International Cable&Connectivity Symposium. Rhode Island: IWCS, 2018: 10-3-1-10-3-8.

[4] ELLEN A S, KEVIN B, DIANARODRIGUE Z, et al. Innovative solutions for high-density cables incorporating conventional ribbons[C]// IWCS. Proceedings of the 2019 International Cable&Connectivity Sympo-

[5] FUMIAKI S, KENTA T, YOHEI S, et al. Designs of New UHFC optical fiber cables with freeform ribbons and installation characteristics[C]//IWCS. Proceedings of the 2018 International Cable&Connectivity Sympo-

[6] FALLAHMOHAMMADI E, WELLS B, ANDERSON C, et al. Ultra-high fiber count cable with 6912f flexible ribbon in RILT design[C]//IWCS. Proceedings of the 2019 International Cable&Connectivity Symposium. Charlotte: IWCS, 2019: 11-1-1-11-1-5.