Abstract
PROBLEM TO BE SOLVED: To properly constitute a reference signal for a receiver to correctly detect a signal transmitted from a transmitter.
SOLUTION: A method is used for a base station to transmit a plurality of reference signals (RS) to a user device in the wireless communication system and includes a step of diffusing a plurality of RSs using diffusion orthogonal sequences and a step of transmitting the plurality of RSs through at least one of two first and secure CDM groups which are two code division multiplexing groups. The RSs transmitted by the first CDM group out of the plurality of RSs by one of the diffusion orthogonal sequences defined in the first CDM group are diffused and transmitted through one subcarrier that belongs to the first CDM group. The RSs transmitted by the second CDM group out of the plurality of RSs by one of the diffusion orthogonal sequences defined in the second CDM group are diffused and transmitted through one subcarrier that belongs to the second CDM group.
COPYRIGHT: (C)2011JPO&INPIT
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| Not Available | 16/09/2012 | ISLD-201209-003 | LG | No | Family Member | ||||
| Not Available | 22/10/2012 | ISLD-201209-016 | LG | Yes | Family Member | ||||
| 4G | 06/11/2016 | ISLD-201611-001 | LG | Yes | Family Member | ||||
| 4G | 14/11/2017 | ISLD-201805-021 | LG | No | Family Member | ||||
Specification Information
Specification Information
Technologies
Family Information
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Technologies
Signal Processing
Product
Use Cases
Wireless communication
Services
Claim
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