Bảo mật thông tin ở lớp vật lý giao thức hiệu quả và đánh giá hiệu năng

HỌC VIỆN CƠNG NGHỆ BƯU CHÍNH VIỄN THƠNG ——————————————————— CHU TIẾN DŨNG BẢO MẬT THÔNG TIN Ở LỚP VẬT LÝ: GIAO THỨC HIỆU QUẢ VÀ ĐÁNH GIÁ HIỆU NĂNG LUẬN ÁN TIẾN SĨ KỸ THUẬT HÀ NỘI - 2019 HỌC VIỆN CƠNG NGHỆ BƯU CHÍNH VIỄN THƠNG ——————————————————— CHU TIẾN DŨNG BẢO MẬT THÔNG TIN Ở LỚP VẬT LÝ: GIAO THỨC HIỆU QUẢ VÀ ĐÁNH GIÁ HIỆU NĂNG Chuyên ngành: KỸ THUẬT VIỄN THÔNG Mã số: 9.52.02.08 LUẬN ÁN TIẾN SĨ KỸ THUẬT NGƯỜI HƯỚNG DẪN KHOA HỌC: PGS TS VÕ NGUYỄN QUỐC BẢO TS NGUYỄN LƯƠNG NHẬT HÀ NỘI - 2019 LỜI CAM ĐOAN Tôi xin cam đoan kết trình bày luận án cơng trình nghiên cứu hướng dẫn giáo viên hướng dẫn Các số liệu, kết trình bày luận án hoàn toàn trung thực chưa công bố tác giả hay cơng trình trước Các kết sử dụng tham khảo trích đầy đủ theo quy định Hà Nội, ngày tháng năm 2019 Tác giả Chu Tiến Dũng LỜI CẢM ƠN Trong q trình nghiên cứu hồn thành luận án này, tác giả nhận nhiều giúp đỡ đóng góp quý báu Đầu tiên, tác giả xin bày tỏ lòng cảm ơn sâu sắc tới PGS TS Võ Nguyễn Quốc Bảo TS Nguyễn Lương Nhật hướng dẫn, định hướng nghiên cứu khoa học, giúp đỡ tác giả q trình nghiên cứu hồn thành luận án Tác giả xin chân thành cảm ơn Ban Giám đốc, Hội đồng khoa học, Hội đồng tiến sĩ, Khoa Quốc Tế Đào Tạo Sau Đại học, Khoa Viễn Thơng Học Viện Cơng Nghệ Bưu Chính Viễn Thông tạo điều kiện thuận lợi để tác giả hoàn thành luận án Tác giả xin cảm ơn thủ trưởng Bộ Tư lệnh Thông Tin Liên Lạc Trường Sĩ Quan Thông Tin đơn vị chủ quản, tạo điều kiện cho tác giả tham gia nghiên cứu học tập thời gian làm nghiên cứu sinh Cuối cùng, tác giả xin bày tỏ lòng biết ơn đến gia đình, bạn bè, đồng chí, đồng nghiệp động viên, chia sẻ, giúp đỡ tác giả vượt qua khó khăn mặt để đạt kết nghiên cứu ngày hôm Hà Nội, ngày tháng năm 2019 Tác giả Chu Tiến Dũng MỤC LỤC MỤC LỤC DANH MỤC CÁC TỪ VIẾT TẮT iv DANH MỤC HÌNH VẼ vi DANH MỤC KÝ HIỆU TOÁN HỌC x MỞ ĐẦU Chương TỔNG QUAN VỀ THÔNG TIN VƠ TUYẾN VÀ ĐẢM BẢO AN TỒN THƠNG TIN Ở LỚP VẬT LÝ 15 1.1 Bảo mật thông tin hệ thống thông tin vô tuyến 15 1.2 Các tham số hiệu bảo mật 19 1.2.1 Dung lượng bảo mật 19 1.2.2 Xác suất dung lượng bảo mật khác không 21 1.2.3 Xác suất dừng bảo mật 22 1.3 Truyền thông hợp tác 24 1.3.1 Phương pháp chuyển tiếp vô tuyến 27 1.3.2 Kỹ thuật xử lý tín hiệu chuyển tiếp vô tuyến 29 1.3.3 Các phương pháp lựa chọn nút chuyển tiếp 31 1.4 Vô tuyến nhận thức 32 1.4.1 Mơ hình mạng vơ tuyến nhận thức dạng - Underlay 34 1.4.2 Mơ hình mạng vơ tuyến nhận thức dạng đan xen - Interweave 34 1.4.3 Mơ hình mạng vơ tuyến nhận thức dạng chồng chập - Overlay 35 i ii 1.5 Kết luận chương Chương 35 PHÂN TÍCH HIỆU NĂNG BẢO MẬT CỦA HỆ THỐNG VÔ TUYẾN TRUYỀN THÔNG ĐA CHẶNG 36 2.1 Mạng vô tuyến nhận thức chuyển tiếp đa chặng 36 2.1.1 Các nghiên cứu liên quan 36 2.1.2 Mơ hình hệ thống đề xuất 37 2.1.3 Phân tích hiệu hệ thống 41 2.1.4 Mô đánh giá kết 46 2.2 Mạng chuyển tiếp đa chặng với phần cứng không lý tưởng 51 2.2.1 Các nghiên cứu liên quan 51 2.2.2 Mơ hình hệ thống đề xuất 53 2.2.3 Phân tích hiệu hệ thống 56 2.2.4 Mô đánh giá kết 58 2.3 Kết luận chương 64 Chương PHÂN TÍCH HIỆU NĂNG BẢO MẬT CỦA HỆ THỐNG VÔ TUYẾN TRUYỀN THÔNG HỢP TÁC 66 3.1 Gây nhiễu chuyển tiếp có lựa chọn mạng truyền thơng hợp tác hai chặng 66 3.1.1 Các nghiên cứu liên quan 66 3.1.2 Mơ hình hệ thống đề xuất 68 3.1.3 Phân tích hiệu hệ thống 72 3.1.4 Mô đánh giá kết 80 iii 3.2 Bảo mật mạng vô tuyến hợp tác kết hợp kỹ thuật thu thập lượng 86 3.2.1 Các nghiên cứu liên quan 86 3.2.2 Mơ hình hệ thống đề xuất 87 3.2.3 Phân tích hiệu hệ thống 90 3.2.4 Mô đánh giá kết 94 3.3 Kết luận chương 97 Chương PHÂN TÍCH HIỆU NĂNG BẢO MẬT CỦA HỆ THỐNG VÔ TUYẾN TRUYỀN THÔNG HỢP TÁC TRONG ĐIỀU KIỆN THÔNG TIN TRẠNG THÁI KÊNH TRUYỀN KHƠNG HỒN HẢO 4.1 Các nghiên cứu liên quan 99 99 4.2 Ảnh hưởng kênh truyền không lý tưởng hiệu bảo mật mạng chuyển tiếp 101 4.2.1 Mơ hình hệ thống 101 4.2.2 Phân tích hiệu hệ thống 106 4.2.3 Mô đánh giá kết 108 4.3 Kết luận chương 114 KẾT LUẬN 116 DANH MỤC CÁC CƠNG TRÌNH ĐÃ CƠNG BỐ 119 TÀI LIỆU THAM KHẢO 121 DANH MỤC CÁC TỪ VIẾT TẮT Từ viết tắt Nghĩa Tiếng Anh Nghĩa Tiếng Việt AF Amplify-and-Forward Khuếch đại-và-chuyển tiếp AWGN Additive White Gaussian Tạp âm Gauss trắng cộng Noise tính BER Bit Error Rate Tỷ lệ lỗi bít BS Base Station Trạm gốc BTS Base Transceiver Station Trạm thu phát gốc CDF Cumulative Distribution Hàm phân phối tích lũy Function CR Cognitive Radio Vô tuyến nhận thức CRC Cyclic Redundancy Check Mã kiểm tra dịch vòng CSI Channel State Information Thông tin trạng thái kênh truyền DES Data Encryption Standard Tiêu chuẩn mã hóa liệu DF Decode-and-Forward Giải mã-và-chuyển tiếp EH Energy Harvesting Thu thập lượng FCC Federal LOS Communications Ủy ban truyền thông quốc Commission gia Mỹ Line of Sight Đường truyền thẳng iv v MIMO Multiple Input-Multiple Nhiều đầu vào-nhiều đầu Output MISO Multiple Input-Single Out- Nhiều đầu vào-một đầu put MRC Maximal Ratio Combining Kết hợp tỉ số tối đa MS Mobile Station Trạm di động OP Outage Probability Xác suất dừng PDF Probability Density Func- Hàm mật độ xác suất tion PLS Physical Layer Security Bảo mật lớp vật lý PrNZ Non-zero Secrecy Capacity Dung lượng bảo mật khác Probability không PU Primary User Người dùng sơ cấp QoS Quality of Service Chất lượng dịch vụ RF Random-and-Forward Ngẫu nhiên-và-chuyển tiếp RSA Rivest - Shamir - Adleman Thuật tốn mã hóa công khai SC Secrecy Capacity Dung lượng bảo mật SNR Signal-to-Noise Ratio Tỷ số cơng suất tín hiệu tạp âm SOP Secrecy Outage Probability Xác suất dừng bảo mật SU Secondary User Người dùng thứ cấp DANH MỤC HÌNH VẼ 1.1 Mơ hình hệ thống vơ tuyến với máy nghe 17 1.2 Dung lượng bảo mật hệ thống 20 1.3 Xác suất dung lượng bảo mật khác không hệ thống 22 1.4 Xác suất dừng bảo mật hệ thống 24 1.5 Mơ hình truyền thông vô tuyến hợp tác 1.6 Mô hình mạng vơ tuyến chuyển tiếp trung kế vơ tuyến 26 1.7 Mơ hình chuyển tiếp chiều 27 1.8 Mơ hình chuyển tiếp hai chiều 28 1.9 Kỹ thuật Khuếch đại-và-Chuyển tiếp 29 25 1.10 Kỹ thuật giải mã-và-chuyển tiếp 30 1.11 Khoảng phổ sử dụng 34 2.1 Mơ hình hệ thống chuyển tiếp đa chặng sử dụng kỹ 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VIỄN THƠNG ——————————————————— CHU TIẾN DŨNG BẢO MẬT THÔNG TIN Ở LỚP VẬT LÝ: GIAO THỨC HIỆU QUẢ VÀ ĐÁNH GIÁ HIỆU NĂNG Chuyên ngành: KỸ THUẬT VIỄN THÔNG Mã số: 9.52.02.08 LUẬN ÁN TIẾN SĨ KỸ THUẬT