Wireless communication MIMO system with repeaters

Details Wireless communication MIMO system with repeaters Wireless communication MIMO system with repeaters

2005-12-08

2011-10-04

Trinh, Tan (Department: 2618)

Telecommunications

Carrier wave repeater or relay system

Portable or mobile repeater

C455S013100, C455S007000, C455S013300, C455S016000

Reexamination Certificate

active

08032080

ABSTRACT:
The present invention relates to a wireless communication system (C) comprising at least one base station (1) in a communication cell (2), from which base station (1) at least two essentially uncorrelated antenna radiation lobes (7, 8, 9, 10) are formed. Each antenna radiation lobe (7, 8, 9, 10) communicates a MIMO (Multiple Input Multiple Output) communication stream. The system (C) further comprises at least one repeating transmitter/receiver (repeater) (18, 19, 20, 21), which is arranged for communicating one of the MIMO communication streams to and/or from at least one UE (user equipment) (12). The present invention also relates to a repeater that is a part of the system (C), and a method for communicating at least two MIMO communication streams to and/or from at least one UE (user equipment) (12), using at least one repeater (18, 19, 20, 21).

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Rankov, B et al: “On the capacity of relay-assisted wireless MIMO channels” In: Signal Processing Advances in Wireless Communications, 2004 IEEE 5thWorkshop on, Jul. 11-14, 2004, pp. 323-327. See sections I, Ill, figure 2 and abstract.

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