Wireless Communications - Chương 3

Tham khảo tài liệu 'wireless communications - chương 3', kỹ thuật - công nghệ, kĩ thuật viễn thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Wireless Communications Principles and Practice 2nd Edition . Rappaport Chapter 3: The Cellular Concept – System Design Fundamentals * The Cellular Concept * 19-cell reuse example (N=19) Figure Method of locating co-channel cells in a cellular system. In this example, N = 19 (., I = 3, j = 2). (Adapted from [Oet83] © IEEE.) * Fig. Handoffs – the basics * Umbrella Cells * Smaller N is greater capacity * Co-channel cells for 7-cell reuse * Fig. AMPS Duopoly Channels * Fig. Key Definitions for Trunked Radio * Fig. Erlang B Trunking GOS * Fig. Erlang B * Fig. Erlang C * Fig. Cells are split to add channels with no new spectrum usage * Fig. Cell Splitting increases capacity * Fig. Sectoring improves S/I * Fig. Sectoring improves S/I * Fig. In-building deployment is the next great growth phase * Fig. The Zone Cell Concept * Fig. Zone Cell Concept * Fig. . | Wireless Communications Principles and Practice 2nd Edition . Rappaport Chapter 3: The Cellular Concept – System Design Fundamentals * The Cellular Concept * 19-cell reuse example (N=19) Figure Method of locating co-channel cells in a cellular system. In this example, N = 19 (., I = 3, j = 2). (Adapted from [Oet83] © IEEE.) * Fig. Handoffs – the basics * Umbrella Cells * Smaller N is greater capacity * Co-channel cells for 7-cell reuse * Fig. AMPS Duopoly Channels * Fig. Key Definitions for Trunked Radio * Fig. Erlang B Trunking GOS * Fig. Erlang B * Fig. Erlang C * Fig. Cells are split to add channels with no new spectrum usage * Fig. Cell Splitting increases capacity * Fig. Sectoring improves S/I * Fig. Sectoring improves S/I * Fig. In-building deployment is the next great growth phase * Fig. The Zone Cell Concept * Fig. Zone Cell Concept * Fig. | Wireless Communications Principles and Practice 2nd Edition . Rappaport Chapter 3: The Cellular Concept – System Design Fundamentals * The Cellular Concept * 19-cell reuse example (N=19) Figure Method of locating co-channel cells in a cellular system. In this example, N = 19 (., I = 3, j = 2). (Adapted from [Oet83] © IEEE.) * Fig. Handoffs – the basics * Umbrella Cells * Smaller N is greater capacity * Co-channel cells for 7-cell reuse * Fig. AMPS Duopoly Channels * Fig. Key Definitions for Trunked Radio * Fig. Erlang B Trunking GOS * Fig. Erlang B * Fig. Erlang C * Fig. Cells are split to add channels with no new spectrum usage * Fig. Cell Splitting increases capacity * Fig. Sectoring improves S/I * Fig. Sectoring improves S/I * Fig. In-building deployment is the next great growth phase * Fig. The Zone Cell Concept * Fig. Zone Cell Concept * Fig. . | Wireless Communications Principles and Practice 2nd Edition . Rappaport Chapter 3: The Cellular Concept – System Design Fundamentals * The Cellular Concept * 19-cell reuse example (N=19) Figure Method of locating co-channel cells in a cellular system. In this example, N = 19 (., I = 3, j = 2). (Adapted from [Oet83] © IEEE.) * Fig. Handoffs – the basics * Umbrella Cells * Smaller N is greater capacity * Co-channel cells for 7-cell reuse * Fig. AMPS Duopoly Channels * Fig. Key Definitions for Trunked Radio * Fig. Erlang B Trunking GOS * Fig. Erlang B * Fig. Erlang C * Fig. Cells are split to add channels with no new spectrum usage * Fig. Cell Splitting increases capacity * Fig. Sectoring improves S/I * Fig. Sectoring improves S/I * Fig. In-building deployment is the next great growth phase * Fig. The Zone Cell Concept * Fig. Zone Cell Concept * Fig.