18497953. TRANSMISSION STRUCTURES AND FORMATS FOR DL CONTROL CHANNELS simplified abstract (Samsung Electronics Co., Ltd.)

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TRANSMISSION STRUCTURES AND FORMATS FOR DL CONTROL CHANNELS

Organization Name

Samsung Electronics Co., Ltd.

Inventor(s)

Aris Papasakellariou of Houston TX (US)

TRANSMISSION STRUCTURES AND FORMATS FOR DL CONTROL CHANNELS - A simplified explanation of the abstract

This abstract first appeared for US patent application 18497953 titled 'TRANSMISSION STRUCTURES AND FORMATS FOR DL CONTROL CHANNELS

Simplified Explanation

The abstract describes a method for a User Equipment (UE) to receive Physical Downlink Control Channels (PDCCHs) by configuring a search space to reduce the number of channel estimations needed for decoding.

  • The UE receives configuration information for a first control resource set with a specific number of symbols in the time domain and resource blocks (RBs) in the frequency domain.
  • The configuration information includes details about the number of frequency-contiguous RBs and the distribution of PDCCHs in the first control resource set.
  • The UE assumes that a demodulation reference signal associated with the PDCCH has the same precoding over the RBs.
  • The method aims to optimize the search space for decoding PDCCHs, reducing the number of channel estimations required compared to conventional methods.

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      1. Potential Applications
  • 5G and future wireless communication systems
  • Internet of Things (IoT) devices
  • Mobile broadband services
      1. Problems Solved
  • Reducing the complexity of channel estimations for PDCCH decoding
  • Improving efficiency in receiving control information in wireless communication systems
      1. Benefits
  • Enhanced reliability and speed in receiving control channels
  • Increased spectral efficiency
  • Improved overall performance of wireless networks


Original Abstract Submitted

A method for a user equipment (UE) to receive physical downlink control channels (PDCCHs) is provided. The UE receives configuration information for a first control resource set that includes a number of symbols in a time domain and a number of resource blocks (RBs) in a frequency domain, configuration information indicating a first number of Nfrequency-contiguous RB s, and a PDCCH in the first control resource set in a number of frequency distributed blocks of NRBs. The UE assumes that a demodulation reference signal associated with the reception of the PDCCH has a same precoding over the NRBs. A method for constructing a search space to reduce a number of channel estimations that the UE performs for decoding PDCCHs, relative to conventional search spaces, is also provided.

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