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MIMO-OFDM (29 results)
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ZDNet Dictionary Definition
- MIMO
- (Multiple Input/Multiple Output) Pronounced "my-mo," it is the use of multiple transmitters and receivers multiple antennas on wireless devices for improved performance. When two transmitters and two or...
- Full MIMO Definition >>
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- Mimo UM-720S
- If the Nanovision Mimo UM-720S had a much lower price point, I'd be willing to recommend it. As it stands at $230, it's simply not worth it. The 7-inch minidisplay that act as an ancillary screen to your main screen, has narrow viewing angles, a confusing setup process, and a...
- Product reviews 2009-08-31
- Shots: Mimo UM-720S
- A few closeups pics of the Mimo UM-720S. by CNET News.com
- Image galleries 2009-08-25
- MIMO: From Theory to Reality
- Driven by the even growing demand of higher data rate with the scarce spectrum resource, the theoretical breakthrough has been made and demonstrated significant increase on channel capacity spectral efficiency over MIMO systems. The theoretical MIMO spectral efficiency is verified by MIMO channel measurements and trial systems. Two MIMO mechanisms...
- White papers 2009-07-01
- Mimo UM-740 monitor
- Editors' note: The Mimo UM-740 is an accessory and therefore was not put through CNET's usual rigorous monitor testing. Its performance rating should not be compared with other CNET-reviewed monitors.It's not a monitor for everyone. It's definitely not for hardcore gamers. If you use Microsoft Word a lot or are...
- Product reviews 2009-02-09
- Novel Tap-Wise LMMSE Channel Estimation for MIMO W-CDMA
- In this paper, a tap-wise LMMSE channel estimator for MIMO W-CDMA is derived. Descrambling operations applied to delayed versions of the received signal whiten the input signal. The descrambling process thus breaks up the full channel autocorrelation matrix including spatial and temporal correlation into several independent, small autocorrelation matrices that...
- White papers 2008-12-09
- Performance Enhancement of WLAN Using 802.11n and MIMO Technology
- 802.11n is IEEE wireless standards that significantly improve throughput and range of Wireless Local Area Networks WLAN compared with other 802.11 standards. It is expected to provide a throughput of over 100 Mbps, which is twice that of 802.11g. This difference is because it is designed to operate in both...
- White papers 2008-10-04
- MIMO Channel Sounder at 3.5 GHz: Application to WiMAX System
- The use of antenna arrays at emission and reception seems to represent a prominent solution for future wireless systems, it improves data rates and enhances the quality of service. The performance of these systems depends mainly on the propagation channel. Therefore, channel's characterization and modeling are crucial. This paper presents...
- White papers 2008-10-01
- MiMo 1 (Windows)
- The MiMo Money In Money Out application is a personal finance application for home use only. Unlimited incoming/expenses categories and accounts are supported. Many different reports are available to display the incomes/expenses data. Current three languages are supported: English, German, and Greek. This version is the first release on CNET...
- Software downloads 2008-09-10
- Multi-User Adaptive Resource Allocation Scheme for WLAN OFDM-MIMO Transmission
- Orthogonal Frequency Division Multiplexing OFDM has recently been proposed for use in high data-rate wireless systems. OFDM has an important property of spectrum utilization technique that distributes each tone, which is orthogonal with every other tone. The system capacity can be significantly improved by multiple transmit and receive antennas that...
- White papers 2008-08-25
- An Analysis of the Benefits of Uplink MIMO in Mobile WiMAX Systems
- This paper discusses the improvements that uplink MIMO brings to Mobile WiMAX network deployments and introduces a new technique based on uplink MIMO, tile switched diversity TSD. Uplink MIMO (UL-MIMO) provides extended coverage (up to 41 percent cell radius increase), and can also be used to reduce power consumption (to...
- White papers 2008-06-01
- A ML Based Estimation of the Doppler Shift of MIMO WiMAX Systems
- WiMAX systems whose data rate can be up to 50 Mbps are the most promised wireless communication systems. However, due to the multipath transmission and Multiple Access Interference MAI, the performance of the WiMAX system will be degraded. The advanced technique, Multiple Inputs Multiple Outputs MIMO is proposed to improve...
- White papers 2008-05-27
- An Analysis of MIMO Techniques for Mobile WiMAX Systems
- Multiple Input Multiple Output MIMO techniques are an essential part of the IEEE 802.16e - 2005 specifications, which form the basis of mobile WiMAX systems. This paper discusses the basic tradeoffs between diversity, interference cancellation and spatial multiplexing in MIMO systems, and the authors compare Optimum Combining OC, Maximum-Ratio combining...
- White papers 2008-03-11
- Experimental Evaluation of Adaptive Modulation and Coding in MIMO WiMAX With Limited Feedback
- This paper evaluates the throughput performance of an OFDM WiMAX (IEEE 802.16-2004, Section 8.3) transmission system with Adaptive Modulation and Coding AMC by outdoor measurements. The standard compliant AMC utilizes a 3-bit feedback for SISO and Alamouti coded MIMO transmissions. By applying a 6-bit feedback and spatial multiplexing with individual...
- White papers 2007-11-28
- comm_driver_wireless-g_v1.0.zip 2007-08-31 (Windows)
- This package supports the following driver models:BUFFALO WLI-U2-KG54-YB Wireless LAN Adapter BUFFALO WLI-U2-KG54 Wireless LAN Adapter BUFFALO WLI-U2-KG54-AI Wireless LAN Adapter BUFFALO WLI-U2-KG54-BB Wireless LAN Adapter Siemens 802.11g USB Wireless Network Adapter CNet Wireless-G USB dongle ASUS USB Wireless Network Adapter 802.11b/g USB Wireless Network Adapter Belkin Wireless G USB...
- Software downloads 2007-08-31
- comm_driver_wireless_g_no_soap_v1.0.zip 2007-08-31 (Windows)
- This package supports the following driver models:BUFFALO WLI-U2-KG54-YB Wireless LAN Adapter BUFFALO WLI-U2-KG54 Wireless LAN Adapter BUFFALO WLI-U2-KG54-AI Wireless LAN Adapter BUFFALO WLI-U2-KG54-BB Wireless LAN Adapter Siemens 802.11g USB Wireless Network Adapter CNet Wireless-G USB dongle ASUS USB Wireless Network Adapter 802.11b/g USB Wireless Network Adapter Belkin Wireless G USB...
- Software downloads 2007-08-31
- High Efficient Mobile WiMAX With MIMO and Multihop Relay
- MIMO and relay technology is currently being promoted within the IEEE to enhance performance of broadband wireless standards such as WiMAX. However, due to licensed spectrum, it is necessary to implement highly efficient radio resource management. For optimal system design, it is beneficial to achieve higher system data throughput with...
- White papers 2007-08-01
- A Link Adaptation Algorithm in MIMO-Based WiMAX Systems
- In order to extend the coverage of wireless communication to metropolitan scale, the Worldwide Interoperability for Microwave Access WiMAX standard was developed and ratified as the IEEE 802.16d standard in June 2004. The standard defines an adaptive modulation framework which allows a WiMAX system to communicate with various burst profiles...
- White papers 2007-08-01
- sp39389.exe 2007-07-28 (Windows)
- This package supports the following driver models:Siemens 802.11g PC Card Wireless Network Adapter Conceptronic 54g Wireless PC-Card Conceptronic 54g Wireless PCI Card ASUS 802.11b/g Wireless LAN Card 802.11b/g Wireless LAN Card Gigabyte WMKG Cardbus WLAN Card Gigabyte WIKG mini PCI WLAN Card Gigabyte WPKG PCI WLAN Card CastleNet WP1280 802.11...
- Software downloads 2007-07-28
- Intel & Alvarion Demo Mobile WiMAX: Delivering True MIMO at Intel's Developer Forum
- Operators demand more bandwidth out of mobile WiMAX. They require higher throughputs to support mobile TV, high volume of Voice over IP VoIP voice calls, online gaming, and business level file transfer rates. These services and others like them enable operators to offer a variety of premium services to their...
- White papers 2007-05-21
- A Practical Guide to WiMAX Antennas: MIMO and Beamforming Technical Overview
- Wireless operators are increasingly pressured to enhance their networks and service capabilities in order to keep pace with the accelerating growth in wireless utilization and increasing demand for high performing connections. As bandwidth intensive, rich media applications are introduced, larger volumes of subscribers consume ever-growing quantities of data packets while...
- White papers 2007-04-13
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