MIMO channel modeling Research Papers (original) (raw)

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Recent papers in MIMO channel modeling

2003 4th IEEE Workshop on Signal Processing Advances In Wireless Communications ... ADAPTIVE IDENTIFICATION AND TRACKING OF DOUBLY SELECTIVE FADING CHANNELS FOR WIRELESS MIMO-OFDM SYSTEMS ... Dieter Schajhubel; Markus Rupp, Gerald Matz,... more

2003 4th IEEE Workshop on Signal Processing Advances In Wireless Communications ... ADAPTIVE IDENTIFICATION AND TRACKING OF DOUBLY SELECTIVE FADING CHANNELS FOR WIRELESS MIMO-OFDM SYSTEMS ... Dieter Schajhubel; Markus Rupp, Gerald Matz, and Frunz ...

Equalization in the time domain is a well-known technique for combating intersymbol interference (ISI) in frequency selective channels. We derive the general structure of the linear zero forcing (ZF) equalizing filters for multiple input... more

Equalization in the time domain is a well-known technique for combating intersymbol interference (ISI) in frequency selective channels. We derive the general structure of the linear zero forcing (ZF) equalizing filters for multiple input multiple output (MIMO) communication systems with more outputs than inputs. These filters are finite impulse response (FIR) filters in general and their structure is determined by the number of inputs and outputs. The relation between the spatial diversity of the system and the ...

The use of Multiple-Input Multiple-Output (MIMO) channels has recently attracted considerable interest as an approach that can yield significant capacity gains over conventional smart antenna arrays. This paper presents a new channel... more

The use of Multiple-Input Multiple-Output (MIMO) channels has recently attracted considerable interest as an approach that can yield significant capacity gains over conventional smart antenna arrays. This paper presents a new channel model for MIMO systems in populated indoor environments. The model is based on geometrical optics and a detailed radar cross-section (RCS) representation of the human body and is capable of estimating the temporal response and the capacity behaviour of MIMO channels in the presence of pedestrian traffic. For a single room environment, the new channel model predicts an increase in capacity from 19.1 bits/s/Hz to 31.4 bits/s/Hz solely caused by the movement of pedestrians. The new channel modelling technique offers an efficient solution to the performance evaluation of MIMO wireless systems in populated indoor environments.

This paper proposes an efficient sub-optimal MIMO linear precoder based on the maximization of minimum distance for three virtual suchannels. A new virtual MIMO channel representation with two channel angles allows the parameterization of... more

This paper proposes an efficient sub-optimal MIMO linear precoder based on the maximization of minimum distance for three virtual suchannels. A new virtual MIMO channel representation with two channel angles allows the parameterization of the linear precoder and the optimization of the distance between signal points at the received constellation. To illustrate the optimization process, a precoder is derived for BPSK and QPSK modulation following the max-SNR approach, which consists in pouring power only on the most favored virtual sub-channel. Simulation results over a Rayleigh channel confirm the interest of this new precoder in terms of bit-error-rate.

In this paper, the polarisation behaviour of the mobile MIMO radio channel is analysed from polarimetric double directional channel measurements, which were performed in a macro-cell rural environment in Tokyo. The recorded data comprise... more

In this paper, the polarisation behaviour of the mobile MIMO radio channel is analysed from polarimetric double directional channel measurements, which were performed in a macro-cell rural environment in Tokyo. The recorded data comprise non line of sight, obstructed line of sight and line of sight conditions. The gradient based Maximum-Likelihood estimation framework RIMAX was used to estimate both specular

We propose a multirate diagonal space-time interleaved (DSTI) coded modulation system with a low complexity linear successive decoding and interference cancellation receiver for quasi-static Rayleigh fading multiple-input multiple-output... more

We propose a multirate diagonal space-time interleaved (DSTI) coded modulation system with a low complexity linear successive decoding and interference cancellation receiver for quasi-static Rayleigh fading multiple-input multiple-output (MIMO) channels. In comparison with the traditional BLAST architecture, the proposed multirate DSTI system has more practical virtues while achieving near capacity performance for sufficiently large multiple antennas. The key findings of this paper are: (i) the derivation of the probability density functions of per-layer mutual informations, which can be used to estimate per-layer rates, and (ii) the design of multirate DSTI system using punctured turbo codes. Simulation results show significant gains in packet error-rate (PER) performances.

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