Abstract: A method for a first communication node may include calculating a time delay value on the basis of a carrier frequency based on the number of antenna panels, the number of antennas of each antenna panel, and a space layer that can be generated using a plurality of antennas. The method may also include generating a frequency-dependent first phase shift matrix (PSM) according to each subcarrier by using the calculated time delay value. The method may also include multiplying the first PSM by a basic codebook so as to generate a first codebook for compensating for a beam squint of a beam generated through each antenna.

Abstract: A memory polling method, a memory storage device and a memory control circuit unit are provided. The memory polling method includes: detecting a plurality of busy times corresponding to a plurality of physical units when executing a plurality of first commands; counting the busy times corresponding to the physical units to generate a count statistic value, and determine a delay time based on the count statistic value; and transmitting a plurality of status requests to a rewritable non-volatile memory module after the delay time.

Abstract: An operation method of a first communication node in a communication system may include the steps of: transmitting, to a second communication node, a first indication including information about one or more repeaters; transmitting a first signal group corresponding to the one or more repeaters to the second communication node through the one or more repeaters; receiving, from the second communication node, a first response including a measurement result for the first signal group; determining a first repeater from among the one or more repeaters on the basis of the first response; determining beam combination information for one or more beam combinations between the first communication node, the first repeater, and the second communication node; and performing wireless communication with the first repeater and the second communication node.

Abstract: A method for operation of a first communication node in an embodiment of a communication system may include the steps of: from among a plurality of transmission antenna elements constituting a first transmission antenna of the first communication node, determining a transmission candidate antenna group including one or more transmission antenna elements via which a wireless signal may be transmitted in the direction of a second communication node through a first lens; receiving information regarding a reception candidate antenna group from the second communication node; determining one or more antenna element combinations on the basis of the one or more transmission antenna elements included in the transmission candidate antenna group and one or more reception antenna elements included in the reception candidate antenna group; and performing, on the basis of the one or more antenna element combinations, wireless communication with the second communication node.

Abstract: The present disclosure is a method for operating a first communication node in a communication system, comprising the steps of: transmitting a reference signal at predetermined intervals through each panel included in a multi-panel antenna of the first communication node, wherein the reference signal includes each panel index; receiving a measurement report corresponding to each panel from a second communication node, wherein the measurement report includes the panel index and a received signal received power value of a reference signal corresponding to the panel index; selecting a panel to be allocated to the second communication node on the basis of the measurement report; and transmitting a response signal including information on the selected panel to the second communication node.

Abstract: A memory operation control method, a memory storage device, and a memory control circuit unit are disclosed. The method includes the following. Management data is established, which includes status recording data. First status information corresponding to a first physical unit is stored in the status recording data. An operation command is received from a host system. The management data is queried according to the operation command. Whether to allow an execution of the operation command on the first physical unit is determined according to a query result.

Abstract: A communication method and device may compensate for temporal broadening in a communication system. An operation method of a first communication node in a communication system, in the present disclosure, may include the steps of: transmitting, on a preset cycle, a first signal block including a pilot signal; receiving temporal broadening information about the pilot signal from a second communication node; allocating a communication resource to the second communication node on the basis of the temporary broadening information if communication with the second communication node is required; and communicating with the second communication node by using the allocated communication resource.

Abstract: A method for operating a first communication node in a communication system includes the steps of: receiving a first command from a second communication node; identifying reference frequency information for determining, on the basis of the received first command, a lens to be applied to a first antenna that is included in the first communication node and includes a plurality of antenna elements; receiving first scheduling information indicating that a first signal is to be transmitted to the first communication node; determining, on the basis of the first scheduling information, a first frequency at which the first signal is transmitted; determining a first lens on the basis of the reference frequency information and the first frequency; and receiving a first signal incident on at least some of the plurality of antenna elements after being refracted from the first antenna through the first lens.

Abstract: A memory management method for a memory storage device is provided. The memory management method includes: detecting effective information of at least one operation event performed by the memory storage device in a first mode; and adjusting a threshold value according to the effective information. The threshold value is configured to determine whether to instruct the memory storage device to enter the first mode.

Abstract: A memory management method, a memory storage device and a memory control circuit unit are disclosed. The method includes: performing a first write operation to store first data to a first physical unit; recording first unit management information corresponding to the first write operation, wherein the first unit management information reflects a usage order of first used physical units, and the first used physical units include the first physical unit; performing data merge operation to copy at least a part of data stored in the first physical unit to a second physical unit; and after the data merge operation is performed, recording second unit management information according to the first unit management information, wherein the second unit management information reflects a usage order of second used physical units. The second used physical units include the second physical unit but do not include the first physical unit.

Abstract: A multi-channel memory storage device, a memory control circuit unit, and a data reading method are provided. The method includes: determining whether a storage space of a buffer memory is insufficient when a multi-channel access is performed; issuing a data read command corresponding to each of a plurality of multi-channels to a rewritable non-volatile memory module according to a logical address in a host read command in response to insufficient storage space of the buffer memory to read data corresponding to each of the plurality of multi-channels from a data storage area to a data cache area via the plurality of multi-channels; and allocating the storage space of the buffer memory to the rewritable non-volatile memory module after the storage space of the buffer memory is released and issuing a cache read command to move first data in data temporarily stored in the data cache area to the buffer memory.

Abstract: A memory management method, a memory storage device and a memory control circuit unit are disclosed. The method includes: performing a first write operation to store first data to a first physical unit; recording first unit management information corresponding to the first write operation, wherein the first unit management information reflects a usage order of first used physical units, and the first used physical units include the first physical unit; performing data merge operation to copy at least a part of data stored in the first physical unit to a second physical unit; and after the data merge operation is performed, recording second unit management information according to the first unit management information, wherein the second unit management information reflects a usage order of second used physical units. The second used physical units include the second physical unit but do not include the first physical unit.

Abstract: A multi-channel memory storage device, a memory control circuit unit, and a data reading method are provided. The method includes: determining whether a storage space of a buffer memory is insufficient when a multi-channel access is performed; issuing a data read command corresponding to each of a plurality of multi-channels to a rewritable non-volatile memory module according to a logical address in a host read command in response to insufficient storage space of the buffer memory to read data corresponding to each of the plurality of multi-channels from a data storage area to a data cache area via the plurality of multi-channels; and allocating the storage space of the buffer memory to the rewritable non-volatile memory module after the storage space of the buffer memory is released and issuing a cache read command to move first data in data temporarily stored in the data cache area to the buffer memory.

Abstract: A memory polling method, a memory storage device and a memory control circuit unit are provided. The memory polling method includes: detecting a plurality of busy times corresponding to a plurality of physical units when executing a plurality of first commands; counting the busy times corresponding to the physical units to generate a count statistic value, and determine a delay time based on the count statistic value; and transmitting a plurality of status requests to a rewritable non-volatile memory module after the delay time.

Abstract: A memory management method. The memory management method includes: receiving a command from a host system; sending a command sequence corresponding to the command to a rewritable non-volatile memory module; determining a delay time; and sending a plurality of polling commands to the rewritable non-volatile memory module after the delay time.

Abstract: A data merging method for flash memory, a flash memory control circuit unit and a flash memory storage device are provided. The disclosure is applicable to a flash memory, an embedded memory device or a solid state drive of 3D structure. The method includes: selecting at least one source physical erasing unit from at least one first physical erasing unit according to a valid data count of the at least one first physical erasing unit and a valid data count of each of a plurality of memory sub-modules; and copying valid data in the at least one source physical erasing unit to at least one destination physical erasing unit to perform a valid data merging operation.

Abstract: A data merging method for flash memory, a flash memory control circuit unit and a flash memory storage device are provided. The disclosure is applicable to a flash memory, an embedded memory device or a solid state drive of 3D structure. The method includes: selecting at least one source physical erasing unit from at least one first physical erasing unit according to a valid data count of the at least one first physical erasing unit and a valid data count of each of a plurality of memory sub-modules; and copying valid data in the at least one source physical erasing unit to at least one destination physical erasing unit to perform a valid data merging operation.

Abstract: A memory management method. The memory management method includes: receiving a command from a host system; sending a command sequence corresponding to the command to a rewritable non-volatile memory module; determining a delay time; and sending a plurality of polling commands to the rewritable non-volatile memory module after the delay time.

Abstract: A memory management method for a memory storage device is provided. The memory management method includes: detecting effective information of at least one operation event performed by the memory storage device in a first mode; and adjusting a threshold value according to the effective information. The threshold value is configured to determine whether to instruct the memory storage device to enter the first mode.