| Patent application number | Description | Published |
|---|
| 20080232267 | Apparatus and method for supporting quality of service in wideband wireless communication system using multiple frequency allocations - An apparatus and method for supporting Quality of Service (QoS) in a wideband wireless communication system using multiple Frequency Allocations (FAs) are provided. In a transmitting method for packet distribution in the wideband wireless communication system, the method includes, during a network entry process, determining a number of FAs through multi-FA capability negotiation; distributing packets, received from a superordinate layer, through the multiple FAs; and transmitting the packets distributed through the multiple FAs. Accordingly, packets can be effectively distributed through multiple FAs, and QoS can be effectively provided. | 09-25-2008 |
| 20080232298 | APPARATUS AND METHOD FOR OBTAINING IP ADDRESS OF TERMINAL USING MULTIPLE FREQUENCY ALLOCATIONS IN BROADBAND WIRELESS COMMUNICATION SYSTEM - An Internet Protocol (IP) address acquisition in a broadband wireless communication system is disclosed. A terminal includes a driver for loading one of a plurality Media Access Control (MAC) addresses for a multi-Frequency Allocation (FA) connection when the terminal is initialized; an interface for registering the loaded MAC address to use in an upper layer of a MAC layer; and a manager for acquiring an IP address using the registered MAC address when a network entry for at least one FA is complete. | 09-25-2008 |
| 20080232316 | APPARATUS AND METHOD FOR PERFORMING INITIAL NETWORK ENTRY IN BROADBAND WIRELESS COMMUNICATION SYSTEM - An apparatus and method for performing initial network entry in a broadband wireless communication system are provided. A communication method includes broadcasting, by a Base Station (BS), a Downlink Channel Descriptor (DCD) message including information on a different Frequency Allocation (FA) of the BS using all FAs; connecting, by one of a plurality of Media Access Control (MAC) processors of a Mobile Station (MS), using an arbitrary FA of the BS; obtaining, by the MS, information on the different FA of the BS by analyzing the DCD message received using the arbitrary FA; and performing, by one or more of the remaining MAC processors of the MS, a network entry process using the different FA of the BS according to the different FA information. Accordingly, when an MS having a plurality of MAC addresses connects to a system that performs communication through multiple FAs, different MAC processors of the MS can perform initial network entry using different FAs in the same cell (or sector or BS) without collisions. | 09-25-2008 |
| 20080232337 | APPARATUS AND METHOD FOR SUPPORTING FREQUENCY OVERLAY IN BROADBAND WIRELESS COMMUNICATION SYSTEM - A broadband wireless communication system is provided. A sending apparatus in the broadband wireless communication system includes a controller for distributing packets to a plurality of processors to transmit the packets in a multi-Frequency Allocation (FA) access mode; the plurality of the processors for processing the packet provided from the controller in a Media Access Control (MAC) layer; and a plurality of senders for encoding the packets provided from the corresponding processors in a physical layer and transmitting a signal generated through the physical layer encoding. | 09-25-2008 |
| 20080233961 | Apparatus and method for performing handover in Broadband wireless communication system - An apparatus and method for performing handover in a broadband wireless communication system are provided. A communication method includes broadcasting, by a Base Station (BS), a neighbor advertisement message including neighbor cell information through each Frequency Allocation (FA); analyzing the neighbor cell advertise message by a plurality of Media Access Control (MAC) processors of an Mobile Station (MS) to obtain FA configuration information of each neighbor cell; independently determining handover by the MAC processors of the MS; generating the start of handover by one MAC which first determines handover; and determining a handover target by the remaining MAC processors so that handover is performed to different FAs of the same BS of the MAC processor which generates the start of handover by using the FA configuration information of each neighbor cell. | 09-25-2008 |
| 20080291875 | SYSTEM AND METHOD FOR TRANSMITTING/RECEIVING NEIGHBOR BS INFORMATION IN A COMMUNICATION SYSTEM - In a communication system, a base station transmits a message including neighbor base station information to a mobile station, wherein neighbor base stations in the base station include m first type neighbor base stations and n second type neighbor base stations, the message includes an identifier dedicatedly allocated to the mobile station when the mobile station can get a service from one of the n second type neighbor base stations, the first type is different from the second type, the neighbor base station information includes information on the n second type neighbor base stations, and each of m and n is an integer identical to or greater than 1. | 11-27-2008 |
| 20080310361 | APPARATUS AND METHOD FOR RETRANSMISSION IN A WIRELESS COMMUNICATION SYSTEM - An apparatus and method for retransmission in a wireless communication system. The method includes transmitting data to a Mobile Station (MS), identifying if there is an error in the transmitted data through a control message, if there occurs an error in the data, allocating resources for retransmitting data for erroneous data, transmitting information on the resources allocated for retransmission, to the MS, and retransmitting the data for the erroneous data to the MS. | 12-18-2008 |
| 20080317162 | SYSTEM AND METHOD FOR TRANSMITTING/RECEIVING DATA IN COMMUNICATION SYSTEM - A system and method for transmitting/receiving data in a communication system is provided. A transmitter is allocated resources using a circuit mode scheme, determines if there is actual data to be transmitted to a receiver, and transmits information representing that there is no actual data to be transmitted using the allocated resources when it is determined that there is no actual data to be transmitted. | 12-25-2008 |
| 20090022111 | APPARATUS AND METHOD FOR CIRCUIT MODE RESOURCE ALLOCATION IN BROADBAND WIRELESS ACCESS (BWA) SYSTEM - An apparatus and method for circuit mode resource allocation in a Broadband Wireless Access (BWA) system is disclosed. The method includes generating a first resource allocation message which comprises currently used slot bitmap information with respect to a circuit mode region in a frame; allocating resources to one or more terminals with respect to currently unused slots in the circuit mode region according to the currently used slot bitmap information; and generating a second resource allocation message which comprises information relating to the resource allocation. Thus, the effective circuit mode resource allocation can be achieved without holes in the circuit mode, while maintaining backward compatibility with the existing standards. | 01-22-2009 |
| 20090067379 | SYSTEM AND METHOD FOR ALLOCATING RESOURCES IN A COMMUNICATION SYSTEM - A method and system for allocating feedback resources in a communication system are provided, in which a Base Station (BS) allocates a first feedback resource area for ACKnowledgment/Negative ACKnowledgment (ACK/NACK) messages for general packets and a second feedback resource area for ACK/NACK messages for fixed packets, transmits the general packets and the fixed packets to at least one Mobile Station (MS), receives ACK/NACK messages in the first and second feedback resource areas, and when at least one of the fixed packets is canceled from transmission after the transmission of the general packets and the fixed packets, transmits a bitmap message to the at least one MS indicating use or non-use of the second feedback resource area for each packet, to enable a feedback resource area allocated for the canceled fixed packet to be allocated to an ACK/NACK message for an additionally generated general packet. | 03-12-2009 |
| 20090073736 | SEMICONDUCTOR DEVICE HAVING STORAGE NODES ON ACTIVE REGIONS AND METHOD OF FABRICATING THE SAME - A semiconductor device includes an active region in a semiconductor substrate, having first, second and third regions sequentially arranged in the active region. An inactive region in the semiconductor substrate defines the active region. Gate patterns, partially buried in the active and inactive regions, are positioned between the first and second regions or between the second and third regions, intersecting the active region at right angles. A bit line pattern intersects the gate patterns at right angles and overlaps the inactive region, the bit line pattern including a region electrically connected to the second region of the active region. An interlayer insulating layer covers the gate patterns. Storage nodes on the interlayer insulating layer are electrically connected to the active region. A first storage node overlaps the first region and the inactive region and a second storage node overlaps the third region, the inactive region and the bit line pattern. | 03-19-2009 |
| 20090077430 | HYBRID AUTOMATIC REPEAT REQUEST APPARATUS AND METHOD FOR ALLOCATING PACKET-BASED FIXED RESOURCES IN A WIRELESS MOBILE COMMUNICATION SYSTEM - An apparatus and method for preventing errors in an HARQ operation and improving HARQ performance are provided. In the apparatus and method, upon receipt of HARQ feedback information, an information interpreter interprets the HARQ feedback information and determines whether the HARQ feedback information includes an error. If the HARQ feedback information includes an error, a scheduler controls a data pattern with the receiver to be generated. | 03-19-2009 |
| 20090261422 | CELL STRUCTURE OF SEMICONDUCTOR DEVICE - A cell structure of a semiconductor device includes an active region, having a concave portion, and an inactive region that defines the active region. A gate pattern in the active region is arranged perpendicular to the active region. A landing pad on the active region and the inactive region contacts the active region. A bit line pattern on the inactive region intersects the gate pattern perpendicularly, the bit line pattern being electrically connected to the landing pad and having a first protrusion corresponding to the concave portion of the active region. | 10-22-2009 |
