Sökning: "IEEE 802.11p"

Visar resultat 1 - 5 av 11 avhandlingar innehållade orden IEEE 802.11p.

  1. 1. A Cross-layered Pilot Scheme for IEEE 802.11p

    Författare :Keerthi Nagalapur; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Vehicular communications; FPGA implementation; Channel Estimation; Cross-layer; Pilot Scheme; IEEE 802.11p; OFDM;

    Sammanfattning : Vehicular communication is expected to be a part of the future transportation system and promises to support a plethora of applications for traffic safety, traffic efficiency, and fuel efficiency. Traffic safety applications, such as collision avoidance, demand reliable communications with low latency. LÄS MER

  3. 2. Antenna Evaluation for Vehicular Applications in Multipath Environment

    Författare :Edith Condo Neira; Erik G. Ström; Kristian Karlsson; Claes Beckman; RISE; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Vehicular antenna evaluation; V2V measurements; LTE.; multipath environment; IEEE 802.11p; V2V simulations;

    Sammanfattning : Antennas are essential components in any wireless communication system. To evaluate them is challenging, especially when new technologies are emerging.Future intelligent transport systems, where vehicular communications play an important role will cover important aspects such as traffic safety and traffic efficiency. LÄS MER

  4. 3. Medium access control for vehicular ad hoc networks

    Författare :Katrin Sjöberg; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; vehicle-to-vehicle communications; SOTDMA; self-organizing TDMA; cooperative system; C-ITS; V2V; ETSI ITS-G5; traffic safety; ISO CALM M5; STDMA; VANET; IEEE 802.11p; V2X; MAC; CSMA; cooperative ITS; medium access control; WAVE; DSRC; vehicular ad hoc networks; scalability; real-time communications;

    Sammanfattning : Cooperative intelligent transport systems (C-ITS), where vehicles cooperate by exchanging messages wirelessly to avoid, for example, hazardous road traffic situations, receive a great deal of attention throughout the world currently. Many C-ITS applications will utilize the wireless communication technology IEEE 802. LÄS MER

  5. 4. Predictable and Scalable Medium Access Control for Vehicular Ad Hoc Networks

    Författare :Katrin Sjöberg Bilstrup; Erik G. Ström; Elisabeth Uhlemann; Maria Kihl; Högskolan i Halmstad; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; CSMA; self-organizing TDMA; STDMA; medium access control; MAC; vehicular ad hoc networks; VANET; vehicle-to-vehicle communications; V2V; V2X; IEEE 802.11p; WAVE; DSRC; ETSI ITS-G5; ISO CALM M5; real-time communications; scalability; traffic safety; cooperative system; Datatransmission; Datatransmission;

    Sammanfattning : This licentiate thesis work investigates two medium access control (MAC) methods, when used in traffic safety applications over vehicular ad hoc networks (VANETs). The MAC methods are carrier sense multiple access (CSMA), as specified by the leading standard for VANETs IEEE 802. LÄS MER

  7. 5. Measurement Based Channel Characterization and Modeling for Vehicle-to-Vehicle Communications

    Författare :Taimoor Abbas; Institutionen för elektro- och informationsteknik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Vehicle-to-vehicle communications; IEEE 802.11p; Channel measurements; Channel modeling; propagation modeling; MIMO; intelligent transportation systems;

    Sammanfattning : Vehicle-to-Vehicle (V2V) communication is a challenging but fast growing technology that has potential to enhance traffic safety and efficiency. It can also provide environmental benefits in terms of reduced fuel consumption. LÄS MER