codes frequency
Diversity Techniques to Combat Fading in WiMAX
White Paper The simulation results show that the Space-Frequency Coded system coupled with Reed-Solomon codes and Convolutional codes efficiently exploits diversity techniques. The IEEE 802.16... [22 Apr 2009]
Beyond Product Codes: New Opportunities for Radio Frequency Identification Technology - The Market Possibilities Opened Up by Low-Cost, Customizable RFID Tags
White Paper Radio Frequency Identification (RFID) technology has achieved widespread, mass-market success in high-volume Electronic Product Code (EPC) and logistics applications, as well as considerable success in areas like smart... [13 Apr 2009]
How to Choose the Best Data Capture Technology
White Paper As bar codes became commonplace, companies realized the advantage of carrying more data, leading to new symbologies such as PDF417 and matrix codes that convey far more information, and now radio... [18 Mar 2009]
Enhance Your Supply Chain With RFID
White Paper When Wal-Mart required suppliers to track inventories with bar codes over a decade ago, the results revolutionized supply chain management practices. With the company's announcement mandating the use of Radio... [02 Mar 2009]
Positioning your business to win: Warehouse Management
White Paper This eKit focuses on these challenges and highlights IBM's solutions for overcoming them -- such as warehouse management software technology, bar codes, radio frequency and wireless technology.... [20 Nov 2008]
Positioning your business to win: Warehouse Management
White Paper This eKit focuses on these challenges and highlights IBMâ€Âs solutions for overcoming them • such as warehouse management software technology, bar codes, radio frequency and wireless technology. [02 Sep 2008]
Multilevel Codes for OFDM-Like Modulation Over Underspread Fading Channels
White Paper The paper uses ideas from generalized concatenation to design multilevel codes for this canonical channel model. These codes are based on partitioning a constellation carved out from the integer lattice. [18 Apr 2007]
Design of IRA Codes for Non-Coherent Detection With OFDM
White Paper This paper considers the design of a non-coherent Orthogonal Frequency-Division Multiplexing (OFDM) system for block frequency-selective fading channels with non-systematic IRA codes... [13 Apr 2007]
High Performance Viterbi Decoder for OFDM Systems
White Paper It is well-known that, for systems that deploy conventional convolutional codes, a Viterbi decoder is the best solution in maximum likelihood sense to decode an information sequence. The use of a conventional metric... [11 Apr 2007]
Bit Interleaved Coded Modulation With Space Time Block Codes for OFDM Systems
White Paper Different types of diversity techniques such as temporal, frequency, code, and spatial have been developed in the literature. In addition to the destructive multipath nature of wireless channels,... [11 Apr 2007]
RFID coming to Viagra, says Pfizer
News Pharmacists and drug distributors can retrieve the product codes stored in the tags with a special reader and verify their authenticity by checking a Pfizer database via the web. On all bottles containing RFID tags, the... [09 Jan 2006]
Gartner: RFID spend to hit $3bn by 2010
News The Gartner report sticks to the mundane side of things, focusing on how RFID would augment - rather than replace - ubiquitous bar codes. While bar codes are better at collecting data in highly... [14 Dec 2005]
Innovations in Wireless Broadband Technologies
White Paper The paper addresses the last innovations in standards, related to channel estimation in high delay-spread environments, carrier allocation for optimal cell range extension and better frequency reuse when using OFDMA, SNR... [26 Jul 2005]
No more lost luggage: Airlines go for RFID
News BA CEO, Rod Eddington, gave his support to the introduction of RFID at the expense of traditional sticker bar codes at a meeting of international air trade association IATA. BA loses around 18 bags per 1,000 it handles... [06 Jun 2005]
Microsoft jumps into RFID management
News Often called electronic bar codes, RFID tags emit a signal that shares basic identification information about a product. After investing significantly in technology for radio frequency identification... [09 Mar 2005]