Patent application number | Description | Published |
20100103930 | METHOD FOR GENERATING AND IDENTIFYING IDENTIFIER AND COMMUNICATION SYSTEM - A method for generating and identifying an identifier and a communication system are provided. In the method, a subclass of a port in a packet is retrieved. In addition, the subclass of the port serves as a part of the identifier. A first device transmits the packet to a second device according to the identifier. | 04-29-2010 |
20110038480 | SECURITY METHOD IN WIRELESS COMMUNICATION SYSTEM HAVING RELAY NODE - A security method in a wireless communication system is provided, which is used for providing a plurality of security associations between a user equipment, a relay node, and a base station node in a wireless communication system. The user equipment authenticates with a serving gateway in the wireless communication system through the relay node, such that a security association between the user equipment and the relay node is established correspondingly. The relay node establishes a second security association between the relay node and the base station node through the base station node. | 02-17-2011 |
20110096701 | TRANSMISSION METHOD FOR WIRELESS RELAY SYSTEM AND RELAY STATION USING THE SAME - A transmission method for a wireless relay system and a relay station using the same are provided. The wireless relay system includes at least a base station (eNB), at least a relay node (RN) and at least a user equipment (UE). The eNB is facilitated by the RN to provide a data transmission service to the UE. Besides, there are pre-configured timing relationships between at least a grant signalling transmission process, at least a data transmission process and at least a feedback signal transmission process of HARQ processes between the eNB, the RN and the UE. | 04-28-2011 |
20120275305 | PRIORITIZED RANDOM ACCESS METHOD, RESOURCE ALLOCATION METHOD AND COLLISION RESOLUTION METHOD - A prioritized random access method, a resource allocation method, and a collision resolution method are proposed for wireless communication devices with different priority levels pre-assigned according to their respective service requirements. In the prioritized random access method, different priorities are assigned to connection requirements of wireless communication devices according to their respective service characteristics. Collision resolution mechanisms of the prioritized random access method enable establishing connections of different service requirements such as time strict, delay tolerant, and normal user service. The resource allocation method allows different types of contention accesses have different collision opportunities and connection setup delays, and also enables dynamical adjustment in resource allocation according to practical application requirements, the number of MTC devices and system loading. Thus, resource utilization rate of the overall wireless communication network is enhanced. | 11-01-2012 |
20130039293 | MULTI-BLOCK RADIO ACCESS METHOD AND TRANSMITTER MODULE AND RECEIVER MODULE USING THE SAME - A multi-blocks radio access method is provided and includes the following steps. A plurality of resource blocks are grouped into a plurality of groups. One resource block is respectively selected from the groups to form a plurality of resource block sets. Data to be accessed are transmitted in corresponding one of the resource block sets. A code division multiplexing code sequence is determined for the corresponding one of the resource block sets according to at least one of a plurality of parameters. Encoding or decoding operations are performed on the data to be accessed according to the corresponding one of the resource block sets and the corresponding code division multiplexing code sequence. The encoded or decoded data is accessed. A transmitter module and a receiver module using the foregoing method are also provided. | 02-14-2013 |
20130157653 | METHOD FOR GROUPING MTC DEVICES IN MTC NETWORKS AND COMMUNICATION METHOD - Methods for grouping MTC devices in MTC networks are proposed. One of the proposed methods includes grouping femto MTC devices into femto groups and grouping macro MTC devices into macro groups, where each of the assigned groups has its granted interval for delivering MTC messages. In the proposed method, it may detect network overload of each group or unsuccessful access request of each device, and statistically count consecutively accumulated number of occurrence of the CN overload of each group or accumulated number of occurrence of unsuccessful access request retries of each device. The group numbers, cycle time, and access probability of the macro groups or the femto groups may be adjusted according to the aforementioned accumulated numbers. In addition, the macro groups or the femto groups are merged or split according to determination based on the statistical counts. | 06-20-2013 |
20130242866 | METHOD FOR DEVICE TO DEVICE COMMUNICATION AND BASE STATION AND USER EQUIPMENT USING THE SAME - A method for device to device communication, a control node using the same, and a user equipment using the same has been proposed. For the proposed method, a control node first establishes with a caller device a connection during which an ID of the callee and an establishment cause indicating caller is transmitted to the control node. A control node then informs the call to a callee device by establishing with the callee device a connection during which a D2D ID of the callee and an establishment cause indicating callee is transmitted to the control node. When the control node finds a caller device linked with a caller establishment cause and a D2D ID of the callee, the control node automatically trigger D2D communication between the caller device and the callee device. | 09-19-2013 |
20130244661 | METHOD FOR DEVICE TO DEVICE COMMUNICATION AND CONTROL NODE USING THE SAME - The present disclosure proposes a method for device to device (D2D) communication. The method includes the step of receiving from the first device a first callee identification (ID) as the first device is handed over to the control node, searching for the second device having a second callee ID in response to receiving from the first device the first callee ID, determining that the second device has been found includes when the first callee ID is identical to the second callee ID, and arranging for the D2D communication between the first device and the second device in response to the second device is found when a first condition is fulfilled, wherein the first condition is fulfilled at least includes the second device has been found when the first callee ID is identical to the second callee ID. | 09-19-2013 |
20130260760 | METHOD FOR WIRELESS SERVICE HANDOVER AND BASE STATION AND RELAY STATION USING THE SAME - A method, a mobile relay using the same and a DeNB using the same are proposed. The present disclosure reduces the time required to perform wireless service handover by detecting the movement status of the mobile relay relative to a candidate DeNB as to determine whether a mobile relay is approaching or leaving a candidate handover DeNB. By incorporating the movement status into a report sent to the serving DeNB, the serving DeNB would require less time to make handover decisions since the reporting interval could be reduced to one interval, and the time to trigger would not be required. The movement status could be determined based on the propagation time of signals, a list of neighbor cell information, or the Doppler effect. | 10-03-2013 |
20130315393 | AUTHENTICATION SYSTEM FOR DEVICE-TO-DEVICE COMMUNICATION AND AUTHENTICATION METHOD THEREFOR - An authentication system for device-to-device (D2D) communication and an authentication method thereof are provided. The authentication system further includes first user equipment (UE) and an authentication server. The authentication server is located within a communication range of the first UE. When the first UE sends a connection request to the authentication server, the authentication server performs a routine authentication procedure on the first UE and provides key generation information to the first UE. The authentication server generates a server key according to the key generation information and a key derivation procedure. The first UE generates an equipment key according to the key generation information and the key derivation procedure to obtain authentication for D2D communication, such that the first user equipment and a second UE obtaining the authentication for D2D communication directly perform the D2D communication without performing the D2D communication through the authentication server. | 11-28-2013 |
20140073330 | METHOD OF ENHANCING HANDOVER BY USING A GROUP HANDOVER OVER A WIRELESS CONNECTION AND DEVICES THEREFOR - A method of enhancing handover by using chain handover over a wireless connection, for use in a plurality of moving devices, is introduced. In the method, a control message is received by one of a plurality of moving devices. A report message is transmitted by the one of the plurality of moving devices, in which the one of the plurality of moving devices sets in a state for group handover and represents all others of the plurality of moving devices for a handover decision. It is determined that a part or all of the plurality of moving devices are allowed to perform the group handover according to the report message. The part or all of the plurality of moving devices allowed to perform the group handoversequentially perform a handover procedure after receiving a reconfiguration message. | 03-13-2014 |
20140177550 | TRANSMITTING METHOD, RECEIVING METHOD, TRANSMITTER, AND RECEIVER - A transmitter, a receiver, a transmitting method and a receiving method are proposed. the transmitter, adapted for an user equipment (UE) of a data transmission scheme using a contention-based radio access based on single-carrier frequency division multiplexing access with code division multiplexing (SC-FDMA-CDM) includes a memory unit and a processing unit. The memory unit stores a plurality of parameters. The processing unit is coupled to the memory unit, selects one of the parameters and generates a resource pattern by executing a resource pattern generation process according to the selected parameters, wherein the resource pattern includes a physical index of a plurality of resource blocks and a spreading code index. The communication unit is coupled to the processing unit, generates an uplink transmitting signal according to the resource pattern with a plurality of transmitting data bits. | 06-26-2014 |
20140198707 | DATA TRANSMISSION METHOD THROUGH POINT TO MULTI-POINT TRANSMISSION SERVICE - The present disclosure proposes a data transmission method through multimedia broadcast multicast services (MBMS). Specifically, the present disclosure proposes using a cell broadcast service to perform data transmission, and the proposed functions would include receiving an information of a service data, allocating a data channel resource based on the information of the service data to generate an allocation information for the data channel, allocating a control channel resource based on the information of the service data to generate an allocation information for the control channel, and transmitting the allocation information for the control channel to a target device. | 07-17-2014 |
20140219198 | METHOD FOR SWITCHING COMMUNICATION CONNECTION MODE, COMMUNICATION SYSTEM, BASE STATION, TRANSMITTER AND RECEIVER - A method for switching communication connection modes, a communication system, a base station, a transmitter and a receiver are provided. The method includes the following steps. Firstly, when a base station or a core network entity determines that a communication mode between a transmitter and a receiver should be switched from a cellular communication mode to a device-to-device communication mode, the base station sends a control message to the transmitter. Next, the transmitter stops transmitting at least one first packet to the base station in response to the control message. Afterwards, the receiver receives at least one transmission-unfinished packet and a transmission-unfinished packet status related to the at least one transmission-unfinished packet forwarded by the base station. | 08-07-2014 |