Zhiqiang Wang - Böcker

Resource allocation is an important issue in wireless communication networks. In recent decades, cognitive radio-based networks have garnered increased attention and have been well studied to overcome the problem of spectrum scarcity in future wireless communications systems. Many new challenges in resource allocation appear in cognitive radio-based networks. This book focuses on effective resource allocation solutions in several important cognitive radio-based networks, including opportunistic spectrum access networks, cooperative sensing networks, cellular networks, high-speed vehicle networks, and smart grids.Cognitive radio networks are composed of cognitive, spectrum-agile devices capable of changing their configuration on the fly based on the spectral environment. This capability makes it possible to design flexible and dynamic spectrum access strategies with the purpose of opportunistically reusing portions of the spectrum temporarily vacated by licensed primary users. Different cognitive radio-based networks focus on different network resources, such as transmission slots, sensing nodes, transmission power, white space, and sensing channels. This book introduces several innovative resource allocation schemes for different cognitive radio-based networks according to their network characteristics: Opportunistic spectrum access networks– Introduces a probabilistic slot allocation scheme to effectively allocate the transmission slots to secondary users to maximize throughput Cooperative sensing networks– Introduces a new adaptive collaboration sensing scheme in which the resources of secondary users are effectively utilized to sense the channels for efficient acquisition of spectrum opportunitiesCellular networks– Introduces a framework of cognitive radio-assisted cooperation for downlink transmissions to allocate transmission modes, relay stations, and transmission power/sub-channels to secondary users to maximize throughputHigh-speed vehicle networks– Introduces schemes to maximize the utilized TV white space through effective allocation of white space resources to secondary usersSmart grids– Introduces effective sensing channel allocation strategies for acquiring enough available spectrum channels for communications between utility and electricity consumers

This empirical study bridges the gap between theoretical models and practical application by exploring critical mechanisms for evaluating and improving the quality of innovation and entrepreneurship education (IEE) in China.Grounded in a comprehensive dataset of 201,034 questionnaires and 283 in-depth interviews collected from 1,231 universities across 31 provinces, this edited volume presents a scientific evaluation system based on the novel theoretical framework of "Development Status–Implementation Process–Final Results." Moving beyond static metrics, this dynamic approach addresses the complex needs of diverse stakeholders by covering the entire educational lifecycle. The book details the development of multidimensional indicators and classification standards tailored to different institutional types, whilst providing validated tools for assessing performance and delivering actionable feedback.This essential resource is ideal for educators, policymakers, and administrators dedicated to deepening reform and promoting the high-quality development of innovation education in the digital era.

Resource allocation is an important issue in wireless communication networks. In recent decades, cognitive radio-based networks have garnered increased attention and have been well studied to overcome the problem of spectrum scarcity in future wireless communications systems. Many new challenges in resource allocation appear in cognitive radio-based networks. This book focuses on effective resource allocation solutions in several important cognitive radio-based networks, including opportunistic spectrum access networks, cooperative sensing networks, cellular networks, high-speed vehicle networks, and smart grids.Cognitive radio networks are composed of cognitive, spectrum-agile devices capable of changing their configuration on the fly based on the spectral environment. This capability makes it possible to design flexible and dynamic spectrum access strategies with the purpose of opportunistically reusing portions of the spectrum temporarily vacated by licensed primary users. Different cognitive radio-based networks focus on different network resources, such as transmission slots, sensing nodes, transmission power, white space, and sensing channels. This book introduces several innovative resource allocation schemes for different cognitive radio-based networks according to their network characteristics: Opportunistic spectrum access networks– Introduces a probabilistic slot allocation scheme to effectively allocate the transmission slots to secondary users to maximize throughput Cooperative sensing networks– Introduces a new adaptive collaboration sensing scheme in which the resources of secondary users are effectively utilized to sense the channels for efficient acquisition of spectrum opportunities Cellular networks– Introduces a framework of cognitive radio-assisted cooperation for downlink transmissions to allocate transmission modes, relay stations, and transmission power/sub-channels to secondary users to maximize throughput High-speed vehicle networks– Introduces schemes to maximize the utilized TV white space through effective allocation of white space resources to secondary users Smart grids– Introduces effective sensing channel allocation strategies for acquiring enough available spectrum channels for communications between utility and electricity consumers

Die Beitragenden zu diesem Sammelband sind seit Jahren in Lehre und Forschung mit Fragen interkultureller Kommunikation beschäftigt, als Vertreterinnen und Vertreter der Disziplin oder als perspektivisch Betroffene in anderen Wissenschaftsbereichen, in denen Interkulturalität zur zentralen Lebens- und Arbeitsperspektive/Praxis gehört.

This book is mainly a collection of lecture notes for the 2021 LIASFMA International Graduate School on Applied Mathematics. It provides the readers some important results on the theory, the methods, and the application in the field of "Control of Partial Differential Equations". It is useful for researchers and graduate students in mathematics or control theory, and for mathematicians or engineers with an interest in control systems governed by partial differential equations.