Method and apparatus for cancelling an interference in wireless communication system
AssigneeSamsung Electronics Co., Ltd.
InventorsTaeyoon Kim, Mingoo Kim, Jonghan Lim, Chaeman Lim
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Abstract
A method and an apparatus for cancelling interference in a wireless communication system are provided. The method includes acquiring interference signal information on a reception signal received from a base station based on a preconfigured constellation set, and cancelling an interference signal from the reception signal by using the acquired interference signal information. Accordingly, reception performance in a cell edge can be improved by acquiring dominant interference signal information.
Claims17
A method by a terminal in a wireless communication system, the method comprising:
- storing a pre-configured constellation set;
- receiving a signal from a base station;
- identifying a constellation among the pre-configured constellation set by selecting the constellation having a closest signal distribution with an interference target signal, the interference target signal being acquired by canceling a serving signal from the received signal;
- acquiring interference signal information on the received signal based on the identified constellation;
- and
- decoding the received signal based on the acquired interference signal information,
- wherein the acquired interference signal information is used to cancel an interference signal from the received signal.
A terminal in a wireless communication system, the terminal comprising:
- a wireless communication unit configured to transmit and receive signals with a base station;
- a storage unit;
- and
- a controller configured to:
- store a pre-configured constellation set,
- control the wireless communication unit to receive a signal from the base station,
- identify a constellation among the pre-configured constellation set by selecting the constellation having a closest signal distribution with an interference target signal, the interference target signal being acquired by canceling a serving signal from the received signal,
- acquire interference signal information on the received signal based on the identified constellation, and
- decode the received signal based on the acquired interference signal information,
- wherein the acquired interference signal information is used to cancel an interference signal from the received signal.
A method by a terminal in a wireless communication system, the method comprising:
- storing a pre-configured constellation set;
- receiving a signal from a base station;
- identifying a constellation among the pre-configured constellation set by selecting the constellation having a closest signal distribution with an interference target signal, the interference target signal being acquired by canceling a serving signal from the received signal;
- acquiring interference signal information on the received signal based on the identified constellation;
- and
- decoding the received signal based on the acquired interference signal information.
A terminal in a wireless communication system, the terminal comprising:
- a wireless communication unit configured to transmit and receive signals with a base station;
- a storage unit;
- and
- a controller configured to:
- store a pre-configured constellation set,
- control the wireless communication unit to receive a signal from the base station,
- identify a constellation among the pre-configured constellation set by selecting the constellation having a closest signal distribution with an interference target signal, the interference target signal being acquired by canceling a serving signal from the received signal,
- acquire interference signal information on the received signal based on the identified constellation, and
- decode the received signal based on the acquired interference signal information.
Dependencies are inferred from the claim text.