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US 2011/0237198 A1Published application
Method and System for Super-Resolution Blind Channel Modeling
OwnerMan-On Pun, Philip V. Orlikinventors
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Abstract
Propagation channels are reconstructed from measurements in disjoint subbands of a wideband channel of interest. By using high-resolution estimation of multipath parameters, and suitable soft combining of the results, a channel estimate and subseqeuntly channel models can be extracted that accurately interpolate between the measured subbands.
Claims7
A method for estimating a frequency response of an entire channel, wherein the channel is a wideband channel and only measurements in parts of the channel are available, wherein the parts are subbands, and wherein the subbands are disjoint and narrow frequency, comprising:
- estimating delays in the subbands at a resolution that is a fraction of a chip duration based on a sounding signal transmitted only in the subbands;
- determining channel impulse responses of the subbands based on the delays;
- and
- combining probabilistically the channel impulse responses to extract a model of the entire channel.
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