摘要:
Disclosed are a method and a device for transmitting uplink control information (UCI) by a terminal in a wireless communication system. The UCI transmission method comprises the steps of: generating an encoding information bit stream by performing channel coding for a UCI bit stream; generating complex modulation symbols by performing modulation for the generated encoding information bit stream; spreading the complex modulation symbols in block-wise on the basis of an orthogonal sequence; and transmitting the spread complex modulation symbols to a base station. The encoding information bit stream is generated by a channel coding for circularly repeating the UCI bit stream.
摘要:
Disclosed are a method and a device for transmitting uplink control information (UCI) by a terminal in a wireless communication system. The UCI transmission method comprises the steps of: generating an encoding information bit stream by performing channel coding for a UCI bit stream; generating complex modulation symbols by performing modulation for the generated encoding information bit stream; spreading the complex modulation symbols in block-wise on the basis of an orthogonal sequence; and transmitting the spread complex modulation symbols to a base station. The encoding information bit stream is generated by a channel coding for circularly repeating the UCI bit stream.
摘要:
Provided are a method and a device for transmitting a downlink control signal in a wireless communication system. A base station sets a transmission/reception (Tx/Rx) period (TSPS) on the basis of the type of a machine to machine (M2M) application, transmits said set Tx/Rx period to an M2M device, and performs a permanent scheduling for said M2M device on the basis of said set Tx/Rx period. Alternatively, the base station transmits a first downlink control signal that is allocated for an M2M group, which includes a plurality of M2M devices, to an M2M device that is included in said M2M group, and transmits, to said M2M device, a second downlink control signal that is specific to and allocated to said M2M device.
摘要:
A method and apparatus for mapping a resource unit in a wireless communication system is provided. The method includes obtaining a frequency partition (FP) count (FPCT), an size of FPi (FPS) for i>0, and subband (SB) count of FPi (FPSC) for i>0 (where FPi is an ith FP), obtaining a value KSB,FPi indicating an SB count for FPi and a value KMB,FPi indicating a miniband (MB) count for FPi on the basis of the FPCT, the FPS, and the FPSC, and mapping an SB PRU including a plurality of contiguous physical resource units (PRUs) and an MB PRU including a plurality of contiguous PRUs to each FP in a granularity of a PRU set on the basis of the values KSB,FPi and KMB,FPi. Each FP can obtain a frequency selective scheduling gain based on the SB and a frequency diversity gain based on the MB.
摘要:
The present application discloses a method for mapping a subband/miniband in a wireless communication system. Particularly, the method comprises the steps of: dividing a system frequency band into a plurality of physical resource units (PRU); mapping the plurality of physical resource units to physical resource units of a subband (PRUSB) in accordance with a 1st rule; and mapping the plurality of physical resource units to physical resource units of a miniband (PRUMB) in accordance with a 2nd rule, wherein said 1st rule and said 2nd rule contain factors for limiting the minimum value of the gap between subbands allocated to the system frequency band.
摘要:
A method for mapping subband/miniband in a wireless communication system and apparatus therefore are disclosed. The present invention includes dividing the system frequency band into a plurality of physical resource units (PRUs) and mapping a plurality of the physical resource units to a subband physical resource unit (PRUSB) and a miniband physical resource unit (PRUMB), wherein the mapping is based on an interval between contiguous resource units which includes a predetermined number of contiguous PRUs and another interval greater than the former interval and wherein the interval between the contiguous resource units is a roundup value of a value resulting from dividing a maximum number of the contiguous resource units by the number of the contiguous resource units to allocate to the minibands. According to a related art subband/miniband mapping method, if KSB has a greater value, an interval between contiguous PRUs allocated to miniband among total PRUs is narrowed, diversity of the miniband may be lowered. Therefore, the present invention proposes a subband/miniband mapping method for securing diversity gain of miniband by improving the related art subband/miniband mapping method.
摘要:
The present invention relates to a communication method for machine type communication (MTC) in a wireless communication system. An MTC device transmits subscription information for indicating MTC subscribers to a base station, and receives a group identifier for indicating an MTC group to which the MTC device belongs, from the base station. The MTC device receives, from the base station, resource allocation information on a control channel based on the group identifier.
摘要:
A method for mapping subband/miniband in a wireless communication system and apparatus therefore are disclosed. The present invention includes dividing the system frequency band into a plurality of physical resource units (PRUs) and mapping a plurality of the physical resource units to a subband physical resource unit (PRUSB) and a miniband physical resource unit (PRUMB), wherein the mapping is based on an interval between contiguous resource units which includes a predetermined number of contiguous PRUs and another interval greater than the former interval and wherein the interval between the contiguous resource units is a roundup value of a value resulting from dividing a maximum number of the contiguous resource units by the number of the contiguous resource units to allocate to the minibands. According to a related art subband/miniband mapping method, if KSB has a greater value, an interval between contiguous PRUs allocated to miniband among total PRUs is narrowed, diversity of the miniband may be lowered. Therefore, the present invention proposes a subband/miniband mapping method for securing diversity gain of miniband by improving the related art subband/miniband mapping method.
摘要:
A method and apparatus for mapping a resource unit in a wireless communication system is provided. The method includes obtaining a frequency partition (FP) count (FPCT), an size of FPi (FPS) for i>0, and subband (SB) count of FPi (FPSC) for i>0 (where FPi is an ith FP), obtaining a value KSB,FPi indicating an SB count for FPi and a value KMB,FPi indicating a miniband (MB) count for FPi on the basis of the FPCT, the FPS, and the FPSC, and mapping an SB PRU including a plurality of contiguous physical resource units (PRUs) and an MB PRU including a plurality of contiguous PRUs to each FP in a granularity of a PRU set on the basis of the values KSB,FPi and KMB,FPi. Each FP can obtain a frequency selective scheduling gain based on the SB and a frequency diversity gain based on the MB.
摘要:
The present invention relates to a method for preventing a peer discovery signal collision, which can occur in a device-to-device (D2D) communication system, and to a wireless device using same. According to one embodiment of the present invention, a method for communicating between wireless devices by using a peer discovery slot is provided. The method comprises the steps of transmitting a first peer discovery signal through a first peer discovery channel that is selected from a plurality of peer discovery channels, receiving a second peer discovery signal that is transmitted by a neighboring wireless device, confirming a second discovery channel, from which the second peer discovery signal is detected, from the plurality of peer discovery channels, and transmitting a feedback signal through a response channel that corresponds to the second peer discovery channel from a plurality of response channels.