Wireless communication device and channel estimating method thereof
AssigneeSamsung Electronics Co., Ltd.
InventorsJinho Kim, Gyoungil Kwak, Inhyoung Kim, Sebin Im
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Abstract
A wireless communication device and a channel estimating method thereof are provided. A wireless communication device includes an interlayer interference detector configured to receive a reference signal including a plurality of layers transmitted through a plurality of ports respectively connected to a plurality of antennas and to determine whether interlayer interference occurs based on the reference signal; and a channel estimator configured to estimate a channel matrix by executing an algorithm that is based on whether the interlayer interference occurs. The wireless communication device may decode a receive signal based on the estimated channel matrix.
Claims21
A wireless communication device comprising:
- an interlayer interference detector configured to receive a reference signal including a plurality of layers transmitted through a plurality of ports respectively connected to a plurality of antennas, and to determine whether interlayer interference occurs based on the reference signal;
- and
- a channel estimator configured to estimate a channel matrix by executing an algorithm that is based on whether the interlayer interference occurs,
- wherein the wireless communication device is configured to decode a receive signal based on the estimated channel matrix.
A channel estimating method of a wireless communication device, the channel estimating method comprising:
- receiving a reference signal including a plurality of layers transmitted through a plurality of ports respectively connected to a plurality of antennas;
- determining whether interlayer interference occurs with respect to the reference signal;
- estimating a channel by executing a first algorithm when it is determined that the interlayer interference does not occur;
- and
- estimating the channel by executing a second algorithm different from the first algorithm when it is determined that the interlayer interference occurs.
A wireless communication system comprising:
- a base station configured to output reference signal setting information;
- and
- a terminal configured to determine whether a current channel matrix is suitable for signal transmission and reception based on the reference signal setting information and to output a channel setting change request to the base station when the current channel matrix is unsuitable for the signal transmission and reception,
- wherein in response to the channel setting change request, the base station changes a channel setting and outputs a reference signal using the changed channel setting, which comprises changing a channel pattern by changing a time duration between time slots at which the reference signal is transmitted.
Dependencies are inferred from the claim text.