摘要:
A data transceiving apparatus and method in a centralized MAC-based wireless communication system are provided. The data transceiving method of a centralized MAC-based device may include: setting a direct path to a device and a relay path to a piconet coordinator (PNC); selecting any one of the direct path and the relay path; and transceiving data via the selected path.
摘要:
Provided is an apparatus and method for transmitting and receiving data using multiple paths in a wireless communication system using a distributed Media Access Control (MAC). More particularly, provided is an apparatus and method for transmitting and receiving data that may select a path with a better channel status from multiple paths that include a direct path using a Line of Sight (LOS) and a relay path passing through a relay apparatus, in a wireless communication system that may transmit data via the LOS using a distributed MAC and a directional antenna.
摘要:
A data transceiving apparatus and method in a centralized MAC-based wireless communication system are provided. The data transceiving method of a centralized MAC-based device may include: setting a direct path to a device and a relay path to a piconet coordinator (PNC); selecting any one of the direct path and the relay path; and transceiving data via the selected path.
摘要:
Disclosed are an Unequal Error Protection (UEP) apparatus and method thereof for transmitting various types of uncompressed video signals in a broadband high frequency wireless system. The UEP apparatus may include a UEP transmission controller to verify a bit separation point of separating a color depth and priority for each pixel element being composed of a video data pixel when video data is inputted, and to control an error correction coding of correcting relatively many errors to be used in information with a high priority for each pixel element, a bit separator to separate the video data pixel through a control of the UEP transmission controller based on the priority for each pixel element, and a channel coding unit to use a corresponding error correction coding through the control of the UEP transmission controller based on the priority for each pixel element.
摘要:
Disclosed are an Unequal Error Protection (UEP) apparatus and method thereof for transmitting various types of uncompressed video signals in a broadband high frequency wireless system. The UEP apparatus may include a UEP transmission controller to verify a bit separation point of separating a color depth and priority for each pixel element being composed of a video data pixel when video data is inputted, and to control an error correction coding of correcting relatively many errors to be used in information with a high priority for each pixel element, a bit separator to separate the video data pixel through a control of the UEP transmission controller based on the priority for each pixel element, and a channel coding unit to use a corresponding error correction coding through the control of the UEP transmission controller based on the priority for each pixel element.
摘要:
Provided is an apparatus and method for transmitting and receiving data using multiple paths in a wireless communication system using a distributed Media Access Control (MAC). More particularly, provided is an apparatus and method for transmitting and receiving data that may select a path with a better channel status from multiple paths that include a direct path using a Line of Sight (LOS) and a relay path passing through a relay apparatus, in a wireless communication system that may transmit data via the LOS using a distributed MAC and a directional antenna.
摘要:
Disclosed are an Unequal Error Protection (UEP) method and apparatus of video signals based on a dynamic link in a broadband high frequency wireless system.A UEP transmission apparatus based on a dynamic link includes a UEP transmission controller to verify, based on a channel state when video data is inputted, a bit field size and a bit separation point of separating a priority for each pixel element being comprised of a pixel of the video data, and to control an error correction coding for correcting relatively many errors occurring in information with a high priority for each pixel element to be used, a bit separator unit to separate the video data pixel based on the priority for each pixel element, and a channel coding unit to perform a corresponding error correction coding through the control of the UEP transmission controller based on the priority for each pixel element.
摘要:
Disclosed are an Unequal Error Protection (UEP) method and apparatus of video signals based on a dynamic link in a broadband high frequency wireless system.A UEP transmission apparatus based on a dynamic link includes a UEP transmission controller to verify, based on a channel state when video data is inputted, a bit field size and a bit separation point of separating a priority for each pixel element being comprised of a pixel of the video data, and to control an error correction coding for correcting relatively many errors occurring in information with a high priority for each pixel element to be used, a bit separator unit to separate the video data pixel based on the priority for each pixel element, and a channel coding unit to perform a corresponding error correction coding through the control of the UEP transmission controller based on the priority for each pixel element.
摘要:
Provided are a frame generation apparatus and method that may protect variable length header information in a wideband high frequency wireless system. The frame generation apparatus may report variable length header information of a frame, and thereby the variable length header information may be verified in a receiving device. Also, the frame generation apparatus may convert a variable length header into a fixed length header by adding padding information to the variable length header of a frame, thereby protecting variable length header information.
摘要:
Provided is a method and apparatus for setting a detour path in a wideband high frequency wireless system using a centralized Media Access Control (MAC) protocol. Here, in a wireless system using the centralized MAC protocol where a time synchronization and a band allocation may be performed by a single central control unit, when a signal blockage occurs while a data communication is being performed via a direct path between a source device and a destination device, the detour path may be quickly provided.