antenna
RSS antennaAntenna Diversity Techniques for Bluetooth Communication
White Paper In this paper, a Bluetooth antenna diversity demonstrator is presented. A Bluetooth antenna diversity demonstrator was developed. It was shown that the effects of multipath and fading can be combated to a large extent by antenna diversity. [03 Jul 2008]
Application of Smart Antenna Technology in Wireless Communication Systems
White Paper In this article, a brief description of some of the current technical challenges facing wireless service providers is given, historical attempts to address these challenges are summarized, and an overview of intelligent antenna technology as a... [03 Jul 2008]
Downlink Strategies Using Antenna Arrays for Interference Mitigation in Multi-Carrier CDMA
White Paper The paper considers transmitter strategies for interference mitigation in the downlink of a multi-carrier CDMA system using antenna arrays. The paper describes typical indoor and outdoor scenarios and derives the corresponding transmitter strategy... [03 Jul 2008]
Pre-Filtering Using Antenna Arrays for Multiple Access Interference Mitigation in Multi-Carrier CDMA Downlink
White Paper This paper presents several pre-filtering techniques for the downlink of a Multi-Carrier Code Division Multiple Access (MC-CDMA) system, where the base station is equipped with an antenna array. Three criteria for pre-filter design are proposed... [03 Jul 2008]
A 3-axis Orthogonal Antenna for Indoor Localization
White Paper This paper proposes a new 3-D Radio Frequency IDentification (RFID) positioning system employing a 3-axis orthogonal array antenna. The antenna consists of 3 loop antennas of the same geometry and characteristics. [03 Jul 2008]
Dual-Band Microstrip Patch Antenna Elements for GSM
White Paper Three dual-band microstrip patch antenna element configurations for GSM 900/1800 base stations are presented in this paper. The dual-band behaviour is obtained using rectangular patches with a U slot, and a double U slot, respectively. [03 Jul 2008]
Single Antenna Interference Rejection in GSM/EDGE Networks
White Paper While previous interference rejection techniques suitable for the widely spread GSM/EDGE standard either require multiple antennas or are highly complex, this paper investigates the performance of a low-complexity single antenna interference... [03 Jul 2008]
FM Antenna Configuration vs Performance
White Paper In the discussions of the expected coverage for a 3-bay vs a 4-bay FM antenna from 100m HAAT.for a given set of conditions [same antenna type, same ERP, same radiation center elevation, same tower site, and same mounting configuration (that is... [03 Jul 2008]
The Impact of Antenna-Array Receivers on the Reverse Link Performance of CDMA2000 1xEV High Rate Packet Data System
White Paper This paper explores the possibility of improving the reverse link performance (in terms of coverage and data throughput) of IS-856 using adaptive antenna array receivers. Specifically, it considers the effect of array size, configuration and... [03 Jul 2008]
Multiple Beam Lens Antenna for LEO Communication Satellite
White Paper The design of a multiple beam antenna system for a low earth orbiting (LEO) cellular communication satellite is a topic of current interest. A design procedure is outlined below that will lead to an antenna with these specifications. [03 Jul 2008]
RF Site Survey and Antenna Selection for Optimum Wireless LAN Performance
White Paper Businesses and institutions investing in wireless local area network (LAN) solutions are realizing rapid and significant results in return. A 1998 ROI cost/benefit study conducted by the Wireless Local Area Network Association found that the... [03 Jul 2008]
Cooperative Communication in Wireless Networks
White Paper Transmit diversity generally requires more than one antenna at the transmitter. However, many wireless devices are limited by size or hardware complexity to one antenna. Recently, a new class of methods called cooperative communication has been... [03 Jul 2008]
FCC Regulations You Should Know About
White Paper The FCC basically wants to ensure that when it certifies an FCC15.247 system, that the system will be used with the same antenna for which it is certified. First, that the antenna is integrated in the system permanently. [03 Jul 2008]
Diversity Through Coded Cooperation
White Paper Cooperation involves two single-antenna sources (users) forming a partnership, in which each achieves space-time diversity by using their partner's antenna as a relay.their partner's antenna as a relay. [03 Jul 2008]
Impacts of SDMA on PCS System Design
White Paper The current design trend for these systems is to deploy a large number of small cells, each served by a base station incorporating a conventional antenna system. If antenna arrays coupled with adaptive processing techniques are employed at the base... [03 Jul 2008]
