NDLI: Aloha channel performance in a wireless data system employing antenna diversity receivers

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2000 IEEE Emerging Technologies Symposium on Broadband, Wireless Internet Access. Digest of Papers (Cat. No.00EX414)

2000 IEEE Emerging Technologies Symposium on Broadband, Wireless Internet Access. Digest of Papers (Cat. No.00EX414)

Architecture for IP mobility

TCP over packet radio

Over the air handset management

Throughput analysis of ATM traffic over satellite links using ARQ and adaptive concatenated FEC codes

A combined antenna array and LMMSE multi-user detection DS-CDMA receiver in multipath fading channels

Aloha channel performance in a wireless data system employing antenna diversity receivers

Further results on 3G CDMA transmit adaptive arrays

Global standardization efforts of BWA systems based on cable modem

Iterative co-channel interference cancellation in narrowband mobile radio systems

Open-loop transmit diversity for CDMA forward link

Channel coding performance in cdma2000 systems

E-911 location standards and location commercial services

End to end QoS considerations for UMTS

Global standardization of IMT-2000

Performance analysis of a wireless multirate DS-CDMA in multipath fading channels

EDGE air-interface capacity analysis

GSM mobile positioning simulator

DSP & analog SOC integration in the Internet era

High efficiency K-band amplifier for on-satellite wireless communication systems

RF MEMS devices: a brave new world for RF technology

Smart antennas for broadband wireless access

Customer premise antenna design for LMDS applications

Designing embedded antennas

A system architecture to maximize broadband fixed wireless capacity

High-speed Internet access via stratospheric HALO aircraft

Performance evaluation of a Bluetooth network in the presence of adjacent and co-channel interference

HiperLAN/2 and the evolution of wireless LANs

Development of the Bluetooth version 1.0 specification

Techniques to achieve dense deployment in broadband wireless network

Design challenges in the high volume manufacturing of millimeter-wave transceivers

Consecutive point architecture for broadband wireless access networks

Permanent magnet YIG tuned oscillator based synthesizer for LMDS LO applications

VIA/BGA/sup (R)/: a low-cost, high-performance packaging technology for broadband telecommunications

Microwave analog-to-digital converters for broadband communications

1999 IEEE Emerging Technologies Symposium. Wireless Communications and Systems (IEEE Cat. No.99EX297)

Aloha channel performance in a wireless data system employing antenna diversity receivers

Content Provider	IEEE Xplore Digital Library
Author	Xie, H. Dehner, L.
Copyright Year	2000
Description	Author affiliation: Motorola Inc., Fort Worth, TX, USA (Xie, H.)
Abstract	In wireless data systems, Aloha channels are often used to send requests or short messages from a mobile station to the base station receiver. This paper evaluates a slotted Aloha channel with receiver antenna diversity; packets are transmitted in randomly selected time slots. The packet success-rate is studied as it relates to the carrier to noise plus interference ratio observed in each received branch. The ReFLEX Aloha channel is simulated under slow moving fading. A single cell's throughput, packet success-rate and mean number of transmission attempts per packet are presented from the simulation. The results show that as the transmission retry limit increases, the Aloha throughput decreases and the packet reliability increases. Based on these results, the number of retries can be selected to maximize the throughput for a given packet reliability. Other performance metrics such as the mean number of transmissions and mean packet delay are presented. Although the simulation results are specific to ReFLEX systems, the analysis methods and the system optimization approach can he applied to other Aloha systems.
File Size	457986
File Format	PDF
ISBN	0780363647
DOI	10.1109/ETS.2000.916508
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-04-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading Measurement Base stations Slot antennas Transmitting antennas Receiving antennas Interference Throughput Data systems Signal to noise ratio
Content Type	Text
Resource Type	Article

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