Abstract:
PURPOSE: A group paging message transmission method, reception method, base station, and mobile station are provided to effectively transmit a group paging message to all terminals which belong to one group. CONSTITUTION: A group paging frame determination unit(120) creates a group paging indicator based on the determined frame. A paging group information transmission unit(130) creates a paging group information message. The paging group information transmission unit transmits the created paging group information message to a mobile station. The paging group information message includes the group paging indicator. A paging transmission unit(140) transmits a group paging message to a frame corresponding to the group paging indicator in a paging reception section. [Reference numerals] (100) Base station; (110) Idle state information allocation unit; (120) Group paging frame determination unit; (130) Paging group information transmission unit; (140) Paging transmission unit
Abstract:
PURPOSE: A relay method of a base station is provided to execute a repeater role by connecting a base station to a neighbor base station. CONSTITUTION: A base station of a relay mode transmits a DREG-REQ(Deregistration Request) message to a neighbor base station(s611). The base station transmits an HO-CMD(Handover-Command) message to the terminal(S612). The base station requests a callback handover request message to the base station(S614). The base station transmits the handover request message to the terminal(S615). When the handover is completed, communication between the terminal and the base station is executed(S616). [Reference numerals] (110,120) Base station; (210) Terminal; (AA) Backhaul link restoration; (BB,CC) Operation as a repeater; (S616) Handover completion and communication
Abstract:
PURPOSE: A multicast connection establishment method and apparatus thereof are provided to confirm supportable multicast services by exchanging multicast service abilities in a mobile station and a base station. CONSTITUTION: A mobile station transmits a registration message. A base station transmits a registration response message to the mobile station(S410). A node of the mobile station and the base station starts a dynamic service addition process for multicast connection(S420). The mobile station receives a downlink control channel including multicast resource assignment information from the base station(S430). The mobile station receives multicast data from the base station through the assigned resources(S440).
Abstract:
PURPOSE: A routing method for supporting QoS(Quality of Service) in a wireless network and apparatus thereof are provided to allocate resources by establishing a connection for each intermediate node in the wireless network. CONSTITUTION: A connection management unit determines a next node and a predicted path in order to contact to a destination node(S600). The connection management unit deducts the QoS of a link(S610). The connection management unit requests resource allocation to a resource allocation unit in order to satisfy with the QoS of the link(S620). When the allocated resource is satisfied with the QoS of the link, the connection management unit transmits a connection establishment request to the connection management unit of the next node(S630,S640). The connection management unit stores connection information(S650).
Abstract:
PURPOSE: A data transmission and reception method is provided to reduce the misjudgment probability of other data by reducing the reliability of an interference area and by improving decoding performance in a high interference area. CONSTITUTION: A data transmission apparatus divides a user data area into a section A and a section B(S101). The data transmission apparatus selects the allocation method of section B data and section A data according to the probability of the section A and B(S103). The data transmission apparatus differently encodes to an MSB(Most Significant Bit) and an LSB(Least Significant Bit)(S105). The data transmission apparatus differently applies a modulation method to the MSB and the LSB(S107).
Abstract:
PURPOSE: Access controlling method and device in a wireless communication system are provided to improve the reliability and the safety of network by avoiding the collision of neighing nodes in orthogonal frequency division multiple access(OFDMA)-based wireless mesh network. CONSTITUTION: Information with respect to following transmission timings of a 1-hop node and a 2-hop node is received through the 1-hop node(S501). The information calculates the following transmission time interval of the 1-hop node and the 2-hop node(S502). Based on the following transmission time interval, a sub-frame and a sub-channel corresponding to the following transmission timings are determined(S503 to S509). Information with respect to the following transmission timing with information with respect to the transmission timing of the 1-hop node is transmitted to the 1-hop node.
Abstract:
PURPOSE: A method for detecting a signal for a wireless communication network based on an OFDMA having different delay time and an apparatus thereof are provided to minimize an interference effect in a wireless communication network by determining an optimal FFT(Fast Fourier Transform) window start location according to each subcarrier. CONSTITUTION: An RF processing unit(400) includes a front end unit and a filter, etc. An ADC(402) changes an analog base band signal of the RF processing unit into a digital signal. A FFT(Fast Fourier Transform) operation unit(404) outputs a signal of a frequency domain by calculating the digital signal in fast fourier transformation. The FFT operation unit performs FFT calculation with the control of a FFT window controller(406). A communication device acquires symbol synchronization, removes CP(Cyclic Prefix), and parallely changes data outputted from the ADC. A FFT window start positioning unit(408) determines a FFT window start location for each subcarrier.
Abstract:
이동국은 피드백 자원 할당 정보를 수신하고, 하향링크 신호를 하향링크 전용 캐리어에서 수신한다. 이동국은 하향링크 전용 캐리어의 피드백을 위한 상향링크 가능 캐리어의 자원 영역 내에서 하향링크 전용 캐리어를 위한 피드백 자원 영역을 확인한다. 이동국은 하향링크 전용 캐리어를 위한 피드백 자원 영역 내에서 피드백 자원 할당 정보에 해당하는 피드백 채널 자원 영역을 확인한다. 이동국은 하향링크 신호에 대한 피드백을 상향링크 가능 캐리어에서 피드백 채널 자원 영역을 통해 전송한다.
Abstract:
PURPOSE: A control information transmission method and a response method thereof are provided to reduce overhead and the waste of resources. CONSTITUTION: A transmitter transmits a control message through payload of an MAC(Medium Access Control) PDU(Protocol Data Unit)(S500). A specific bit of an extended header is established as 1. The response of a receiver is required through the establishment. The receiver receives the control message from the transmitter. The receiver transmits the response through an MAEH(MAC control message ACK Extended Header)(S510).
Abstract:
PURPOSE: A method for receiving a mobile multicast broadcast service in a wireless communication system is provided to operate multi carrier operation by switching multi carrier for MBS service reception. CONSTITUTION: A DSA(Dynamic Service Addition) message is received from a base station through a primary carrier. The DSA message is switched from primary carrier to secondary carrier based on the DSA message. An MBS setting message is received from the base station. MBS data is received from the base station based on the MBS setting message.