links antenna
RSS links antennaSort by: Relevance | Date
How Much Training Is Needed in Multiple-Antenna Wireless Links?
White Paper Multiple-antenna wireless communication links promise very high data rates with low error probabilities, especially when the wireless channel response is known at the receiver. In practice, knowledge of... [03 Jul 2008]
Performance Measurement of 802.11a Wireless Links From UAV to Ground Nodes With Various Antenna Orientations
White Paper In a set of field experiments, it records the Received Signal Strength Indicator (RSSI) and measure the raw link-layer throughput for various antenna orientations, communication distances and ground-station elevations. [23 Aug 2007]
A Shoelace-Based QoS Routing Protocol for Mobile Ad Hoc Networks Using Directional Antenna
White Paper Due to the directional antenna property, these cross links can simultaneously transmit data without any data interference. This paper proposes a new QoS routing protocol for Mobile Ad hoc NETwork (MANET)... [18 Jul 2008]
Electromagnetic Characterization of MIMO Communication Systems
White Paper Designing, deploying, and evaluating MIMO communication links in realistic environments, however, is challenging due to the site specific nature of the propagation channel and the complex electromagnetic interactions... [10 May 2006]
Carrying Microwave Signals in a GIPOF-Based Wireless LAN
White Paper By applying fast sweeping of the laser wavelength at the headend station and a multi-passband optical filter at the antenna stations, multi-GHz radio signals can be distributed cost-effectively using GIPOF... [06 Dec 2007]
The Design of a Spatial Diversity Model to Mitigate Narrowband and Broadband Interference in DSSS Ad Hoc Networks
White Paper Techniques of spatial diversity have been expanded to build foundations for advanced antenna array technology, to increase capacity in mobile wireless communication systems due to radiation patterns that direct energy... [01 Aug 2007]
Interactive VSAT
White Paper As terminal technology advances, the size of the antenna required to achieve a particular link quality (bit error rate) decreases. It must always be remembered, however, that as antenna size decreases,... [20 Apr 2004]
Building Blocks for Mobile Free-Space-Optical Networks
White Paper This paper proposes a new optical antenna design that employs spherical antennas covered with transmitter and receiver modules for maintaining optical links even when antennas are in relative motion.... [18 Jul 2008]
A TDMA-Based Bandwidth Reservation Protocol for QoS Routing in a Wireless Mobile Ad Hoc Network
White Paper Existing solutions have addressed this problem by assuming a stronger multi-antenna model, where the bandwidth of a link is independent of the transmitting/receiving activities of its neighboring links,... [03 Jul 2008]
Multi-Mode Antenna Selection for Spatial Multiplexing Systems With Linear Receivers
White Paper This paper proposes multi-mode antenna selection which uses a low-rate feedback channel to improve the error rate performance of spatial multiplexing systems with linear receivers. Spatial multiplexing is a simple... [10 May 2006]
Performance Analysis of IEEE 802.11n Solutions Combining MIMO Architectures With Iterative Decoding and Sub-Optimal ML Detection Via MMSE and Zero Forcing GIS Solutions
White Paper Due to the ambitious data rate targets identified in 802.11n, where 'on-air' data rates of up to 320Mbit/s are quoted, a large MIMO architecture comprising 6 Transmit and 6 Receive antenna elements is adopted. [12 May 2006]
Wi-Fi gets a sense of direction
News An optical antenna that uses a geometrically shaped lens promises to bring greater security to wireless networks for businesses, according to UK scientists. But this new antenna is so precise, according... [12 Nov 2002]
Ryanair gives in-flight mobile access
News Planes will be fitted with a pico cell — a GSM antenna in the ceiling of the aircraft which allows phones to connect to the satellite link. Because the antenna is close to the mobiles, they only require... [30 Aug 2006]
Code Design for Non-Coherent MIMO-OFDM Systems
White Paper Recently, the use of coherent space-frequency coding in Orthogonal Frequency Division Multiplexing (OFDM)-based frequency-selective multiple-input multiple-output (MIMO) antenna fading channels has been proposed. [28 Mar 2005]
Noncoherent Space-Frequency Coded MIMO-OFDM
White Paper Recently, the use of coherent space-frequency coding in orthogonal frequency division multiplexing (OFDM)-based frequency-selective multiple-input multiple-output (MIMO) antenna fading channels has been proposed. [28 Mar 2005]
