Physical layer specification

Chapter 29 discusses multimedia and a set of wiely-used application programs. These programs have generated new issues such as the need for new protocols in other layers to handle the specific problems related to multimedia. We briefly discuss these issues in this chapter.

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Thanks to its specific chemical and physical properties, graphene has aroused growing interest in many fields of Science and Technology. The present study focuses on the properties of microcrystalline chitosan (MCCh): A compound known to increase the biocompatibility of various matrices, including those made of graphene layers, enabling the controlled release of molecules of therapeutic compounds.

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This Master of Science degree thesis aims at investigating, studying and developing the new physical layer for the new handled generation of terrestrial TV standard DVB-NGH. This new physical layer is based on the DVB-T2 physical layer specification, but it introduces several advanced mechanisms to allow the transmission of high definition TV services in mobile environments. The main objective of this thesis work is focused on illustrating the benefits of the new physical layer when compared to T2 physical layer.

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The standard consists of four parts each covering a different structure of the transmitter network: covers sheer terrestrial transmission with single and multi-aerial structures that require only a single aerial and tuner on the receiver side; covers sheer terrestrial transmission with multi-aerial structures on both ends. Terminals suitable for this profile need to employ two tuners as well...

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This Master of Science degree thesis aims at investigating, studying and developing the new physical layer for the new handled generation of terrestrial TV standard DVB-NGH. This new physical layer is based on the DVB-T2 physical layer specification, but it introduces several advanced mechanisms to allow the transmission of high definition TV services in mobile environments. The main objective of this thesis work is focused on illustrating the benefits of the new physical layer when compared to T2 physical layer.

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This paper considers a two-hop two-way relay system which uses the Alamouti space-time code for signaling between all nodes and channel quantization for PNC mapping at the relay. Specifically, based on the concept of CQ-PNC we derive a PNC mapping rule for two pairs of network coded symbols.

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The IEEE 802.16 std. includes medium access control (MAC) and physical (PHY) layer specifications and is consider to be a promising technology. Bandwidth reservation is employed to provide quality of service (QoS) to guarantee different services specified in the standard. A bandwidth request/grant scheme is defined in the IEEE 802.16 standard.

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Physical and mechanical properties of several bamboo species have been studied extensively. Chapter 3 presents the fiber length distribution of Phyllostachys pubescens at different age, layer and location. Contact angle of different layers of the bottom portion of three year old bamboo were measured by dynamic contact angle measurement. Specific gravity and bending properties of bamboo at different ages, horizontal layers, and height locations were also determined. Also compressive strength at different ages and height locations were determined.

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The Data-over-Cable Service Interface Specification (DOCSIS)is an international standard developed by CableLabs, a non-profit research and development consortium for cable-related technologies. • DOCSIS specifies the OSI Layer 1 and Layer 2 requirements: Physical layer-For data signals that the cable operator can use, DOCSIS specifies the channel widths (bandwidths of each channel) as 200 kHz, 400 kHz, 800 kHz, 1.6 MHz, 3.2 MHz, and 6.4 MHz. DOCSIS also specifies modulation techniques (the way to use the RF signal to convey digital data).

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IEEE has defined the specifications for a wireless LAN, called IEEE 802.11, which covers the physical and data link layers.

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A USB system consists of a host computer, one or more USB devices, and a physical bus. The host consists of two layers: an upper software layer, which includes USB device drivers, and a host controller hardware layer, also known as an adapter layer. The main responsibility of the host computer is to control data transfers to and from USB devices. USB devices are peripherals that use the USB electrical and data format specifications to communicate with the host computer. The physical bus is the set of USB cables that links the controller with the peripherals....

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ADC‘s FL1000 customer premises fiber termination products include a variety of one and two door wall mount panels. These products are designed specifically to act as part of the fiber distribution system as the demarcation point for the service provider at the customers location. Recent improvements to labeling grommets, door latches and ribbon pigtail routing reinforce the value these products bring to the physical layer of any network with higher quality and reliability, greater operational efficiencies and network simplification....

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