{ "item_title" : "Data Transmission in Digital Video Broadcasting Systems", "item_author" : [" Chandrakala K", "Anitha Gopalan", "Renit C "], "item_description" : "This book deals with the broadcasting of both global and local content in terrestrial television systems. Digital Video Broadcasting (DVB) is a widely adopted standard for terrestrial television transmission, delivering both global and local content. While global content is network-wide, local content is region-specific and typically requires additional spectrum when transmitted using separate frequencies. To enhance spectral efficiency and cost-effectiveness, hierarchical modulation within a Single Frequency Network (SFN) enables both content types to be embedded into a single constellation and transmitted simultaneously. Additionally, a Selected Subcarrier (SS) technique is proposed where only a subset of orthogonal carriers transmits local content, avoiding interference with global content while allowing flexible regional broadcasting. Collectively, these innovations offer a robust, spectrally efficient solution for advanced DVB systems, enabling improved coverage and adaptability for both local and global content delivery.", "item_img_path" : "https://covers2.booksamillion.com/covers/bam/6/20/845/039/620845039X_b.jpg", "price_data" : { "retail_price" : "80.00", "online_price" : "80.00", "our_price" : "80.00", "club_price" : "80.00", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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