AU2009213094A1

5G,4G,3G

Title

MULTI-MODE TERMINAL IN A WIRELESS MIMO SYSTEM WITH SPATIAL MULTIPLEXING

Application Number:

AU20090213094

Publication Date:

08-10-2009

Current Assignee:

QUALCOMM INC

Family ID:

32179859

Application Date:

11-09-2009

Publication Country:

US

View on Espacenet

Priority Date:

25-10-2002

Declaring Company:

QUALCOMM INC

Abstract  Abstract

A user terminal supports multiple spatial multiplexing (SM) modes such as a steered mode and a non-steered mode. For data transmission multiple data streams are coded and modulated in 5 accordance with their selected rates to obtain multiple data symbol streams. These streams are then spatially processed in accordance with a selected SM mode (e.g. with a matrix of steering vectors for the steered mode and with the identity matrix for the non-steered mode) to obtain multiple transmit symbol streams for transmission from multiple antennas. For data reception multiple received symbol streams are spatially processed in accordance with the selected SM mode (e.g. with a matrix of 10 eigenvectors for the steered mode and with a spatial filter matrix for the non-steered mode) to obtain multiple recovered data symbol streams.; These streams are demodulated and decoded in accordance with their selected rates to obtain multiple decoded data streams. 6/6 Starttart 600 Select a spatial multiplexing mode 612 from among multiple supported spatial multiplexing modes Code and modulate multiple data streams inaccordance with their selected rates to obtain multiple r622 data symbol streams for afirst communication link (e.g. uplink) 620 Spatially process tne multiple data symbol streams inaccordance with the selected SM mode to obtain multiple transmit symbol streams for transmission from multiple antennas and ia the first link ------------------------------------- -- - - - - - - - - - - - - - - - - - - - - - - - - - - - IaI F Spatially process multiple received symbol streams inaccordance with the selected SM mode to r632 obtain multiple recovered data symbol streams for a second communication link (e.g. downlink) V630 Demodulate and decode the multiple recovered data symbol streams inaccordance with their r634 selected rates to obtain multiple decoded data streams for the second link -------------r----------------- End FIG. 6

Note:

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