Download Vehicular Communications and Networks: Architectures, by Wai Chen PDF

By Wai Chen

Vehicular Communications and Networks: Architectures, Protocols, Operation and Deployment discusses VANETs (Vehicular Ad-hoc Networks) or VCS (Vehicular conversation Systems), that can enhance security, reduce gasoline intake, and bring up the potential of present roadways and that's serious for the clever Transportation process (ITS) undefined. half one covers architectures for VCS, half describes the actual layer, antenna applied sciences and propagation versions, half 3 explores protocols, algorithms, routing and data dissemination, and half 4 seems to be on the operation and deployment of vehicular communications and networks.

  • Comprehensive insurance of the basic ideas at the back of Vehicular Ad-hoc Networks (VANETS) and the quickly becoming desire for his or her extra development
  • Thorough review of the layout and improvement of key applied sciences and devices
  • Explores the sensible program of this know-how by way of outlining a few case stories, testbeds and simulations applying vehicular communications and networks

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Extra resources for Vehicular Communications and Networks: Architectures, Protocols, Operation and Deployment

Example text

It is obvious that this standard draft needs to improve the coordinative management of CCH and SCHs. In our previous work, a VCI multichannel MAC scheme is designed to accommodate real-time and throughput-sensitive services by using a multichannel coordination mechanism and variable intervals of CCH and SCH (Wang, Leng, Fu, & Zhang, 2012). 4 (Bianchi, 2000). WAVE nodes not only transmit safety information and WSA packets on CCH but also perform measurements and statistics for channel coordination.

Proposed a multichannel MAC protocol for dense VANET with directional antennas to increase the spatial reuse of wireless channels (Xie, Huang, Yang, & Lv, 2009). Channel allocation is conducted by RTS/CTS with a beam table that indicates the current state of beams in all seven DSRC channels. However, most beams will be blocked because of the sensed busy channels. The transmission efficiency can be further improved if their approach is adaptable for vehicular speed. Chung et al. introduced the cognitive radio technology to the design of WAVE systems (Chung & Kim, 2009).

9 GHz band for DSRC use 32 Vehicular Communications and Networks while Europe and Japan have allocated their own spectrum band and system design. In the United States, DSRC includes seven licensed channels that are shared between public safety and private applications. 11p are 10 MHz to make the signal more robust against fading (with an option to use 20 MHz by combining two 10 MHz channels) [wav2010]. 11a/g based on orthogonal frequency division multiplexing modulation. 11 with a unique ad hoc mode, random MAC addresses for privacy preservation, and IPv6 for routing in the network layer.

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