Wireless UWB-based space-time sensor networks communications

Details Wireless UWB-based space-time sensor networks communications Wireless UWB-based space-time sensor networks communications

2006-02-21

2006-02-21

Tweel, Jr., John (Department: 2636)

Communications: electrical

Condition responsive indicating system

With particular coupling link

C340S539100, C342S463000

Reexamination Certificate

active

07002470

ABSTRACT:
This invention presents a wireless UWB-based space-time networks communication that is used to utilize a larger number of sensor nodes in commercial, potentially hostile, and militarily sensitive environments. The sensor networks communications contain N wireless UWB-based space-time sensor nodes, M sensor node forward stations and a sensor basestation. Each of wireless UWB-based space-time sensor nodes is to support data collection with a multimode sensing, signal processing and analysis, and transmission fashion by using an UWB pulse modulation with a multiple antenna. The sensor node forward stations have a dual-mode transmitting function based MIMO space-time and UWB approaches along with a spread spectrum technology. The sensor basestation also uses a space-time approach with MIMO sensor-antenna architecture. Thus, the wireless UWB-based sensor networks communications simultaneously exploit temporal and spatial diversity for sensor networks communications, thereby converting spatially distributed UWB-based sensor nodes into efficient, robust, reliable, and secure wireless sensor communications.

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