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Chapter 13: Hybrid Wireless Networks

Introduction Next-Generation Hybrid Wireless Architectures Routing in Hybrid Wireless Networks. Pricing in Multi-hop Wireless Networks Power Control Schemes in Hybrid Wireless Networks Load balancing in Hybrid Wireless Networks. Chapter 13: Hybrid Wireless Networks. Introduction.

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Chapter 13: Hybrid Wireless Networks

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  1. Introduction • Next-Generation Hybrid Wireless Architectures • Routing in Hybrid Wireless Networks • Pricing in Multi-hop Wireless Networks • Power Control Schemes in Hybrid Wireless Networks • Load balancing in Hybrid Wireless Networks Chapter 13: Hybrid Wireless Networks

  2. Introduction • Next-generation wireless systems are expected to support a wide range of advanced services: • Support both data and voice traffic • Cellular systems: • 1G focused on efficient frequency usage for voice transmission. • 2G focuses on efficient spectrum usage for voice transmission. • 3G focuses on efficient data traffic. • Hybrid wireless network architectures combine multi-hop radio relaying and infrastructure support to provide high-capacity wireless networks. • Next-generation hybrid wireless architectures • Multi-hop cellular network (MCN) • Integrated cellular and ad hoc replaying system (iCAR) • Hybrid wireless network (HWN) • Self-organization packet radio networks with overlay (SOPRANO) • Multi-power architecture for cellular networks (MuPAC) • Throughput enhanced wireless in local loop (TWiLL)

  3. Classification of Hybrid Architecures • Systems with host-cum-relay (host-Cumulative-relay) stations • The dedicated relay stations do not originate data traffic on their own and assist in forwarding on behalf of the sender. • Single-Mode systems: MHs operate only multi-hop mode. • Multi-Mode Systems: the mobile hosts act either in single-hop mode or in multi-hop mode depending on the architecture. • High-mobility systems • Limited-mobility systems • Systems with dedicated relay stations • Dedicated relay stations are used for relaying data traffic. • Single-mode systems • Multi-mode systems

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