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This book concerns the Beijing Hutong and changing perceptions of space, of social relations and of self, as processes of urban redevelopment remove Hutong dwellers from their traditional homes to new high-rise apartments. It addresses questions of how space is humanly built and transformed, classified and differentiated, and most importantly how space is perceived and experienced. This study elaborates and expands Lefebvre s trialectic of space on a theoretical level. The ethnography presented is a conversation with Tim Ingold s argument about empty space . This research employs the...

This book concerns the Beijing Hutong and changing perceptions of space, of social relations and of self, as processes of urban redevelopment remove Hutong dwellers from their traditional homes to new high-rise apartments. It addresses questions of how space is humanly built and transformed, classified and differentiated, and most importantly how space is perceived and experienced. This study elaborates and expands Lefebvre's "trialectic" of space on a theoretical level. The ethnography presented is a conversation with Tim Ingold's argument about "empty space." This research employs the...

This book provides comprehensive insights into the theory, models, and unique characteristics of intelligent reflecting surface (IRS) and its appealing applications in wireless information and power transmission for B5G/6G. It is organized as follows:

Chapter 1 gives an overview of the fundamentals of IRS, including the signal and channel models of IRS, its hardware architecture, advantages and practical constraints. Chapter 2, 3 and 4 focus on how to optimize the joint design of active and passive beamforming for three types of IRS-aided wireless information/energy transmission...