Patent application number | Description | Published |
20080247372 | Data Synchronization for Multicast/Broadcast Service in Wireless Relay Network - Wireless communication relay networks and techniques for providing data synchronization in Multicast Broadcast Services (MBS). | 10-09-2008 |
20090016290 | Resource Allocation in Wireless Multi-Hop Relay Networks - Technologies that, among other things, provide resource allocation in multi-hop wireless networks with relay stations and can be used to supply information to link data packets with a respective resource allocation. | 01-15-2009 |
20090185632 | FLEXIBLE OFDM/OFDMA FRAME STRUCTURE FOR COMMUNICATION SYSTEMS - A flexible OFDM/OFDMA frame structure technology for communication systems is disclosed. The OFDM frame structure technology comprises a configurable-length frame which contains a variable length subframe structure to effectively utilize OFDM bandwidth. Furthermore, the frame structure facilitates spectrum sharing between multiple communication systems. | 07-23-2009 |
20100118810 | SYSTEM AND A METHOD FOR SUPPORTING A PLURALITY OF MULTIPLE ACCESS TECHNOLOGY AND THE FRAME STRUCTURE THEREOF - A system and a method for supporting a plurality of multiple access technologies and the frame structure thereof, wherein, the method comprises the following steps: a base station sending a downlink frame which comprises at least one downlink multiple access zone, wherein each downlink multiple access zone supports one downlink multiple access technology and each downlink multiple access zone associates with one or more uplink multiple access zones supporting different uplink multiple access technologies; a terminal, searching the synchronization signal of the downlink multiple access technology that it supports, and obtaining the uplink control message after establishing synchronization with the base station, and according to the information within the uplink control message, determining that there is the uplink multiple access technology that it supports, and performing initial network access according to the information of the initial access zone indicated in the uplink control message. | 05-13-2010 |
20100135495 | MAC LAYER PACKET DATA UNITS FOR WIRELESS COMMUNICATIONS - Technologies for wireless communications can include communicating connection information that specifies one or more parameters of a connection between a base station and a wireless device. The connection information can be indicative of one or more of: a station identifier, whether data packets associated with the connection include a cyclic redundancy check, and whether data packets associated with the connection include encrypted information. These technologies can include constructing, based on the connection information, a media access control (MAC) protocol data unit (PDU) that includes a header at a beginning portion of the MAC PDU. The header can include one or more of: a first flag that indicates a header type, a second flag that indicates whether there is a subheader inclusion following the header in the MAC PDU, a flow identifier that, together with the station identifier, identifies the connection, and a length value. | 06-03-2010 |
20100246478 | HYBRID AUTOMATIC REPEAT REQUEST METHOD OF A DOWNLINK TUNNEL - A hybrid automatic repeat request method of a downlink tunnel comprising the following steps: the base station transmits the tunnel data comprising the protocol data unit of multiple mobile stations to the access relay station via the tunnel link, and receives the feedback from the relay station until the access relay station receives the data correctly; the access relay station analyzes the protocol data unit of each mobile station from the tunnel data, transmits the protocol data unit of each mobile station to the corresponding mobile station, and performs the corresponding process after receiving the feedback from each mobile station. | 09-30-2010 |
20100304667 | BROADCAST MESSAGE TRANSMISSION METHOD OF RELAY STATION IN MULTI-HOP RELAY NETWORK - A broadcast message transmission method of a relay station in a multi-hop relay network, which can be applied to a non-transparent centralized scheduling multi-hop relay network, includes that a base station transmits a message to be broadcasted to the relay station, the relay station returns an acknowledgement header to the base station after it has received the message, the base station transmits a message indicating the bandwidth allocation of the downlink to the relay station periodically after it has received the acknowledgement header for indicating the downlink bandwidth that the base station initiatively allocates to the relay station, and the relay station transmits broadcast messages to a terminal or a lower relay station in the downlink bandwidth. | 12-02-2010 |
20100309858 | DATA TRANSMISSION AND ASSOCIATION METHOD IN A NON-TRANSPARENT CENTRALIZED SCHEDULING MULTI-HOP RELAY NETWORK - A data transmission and association method in a non-transparent centralized scheduling multi-hop relay network includes: when a base station sends data, an Allocation Reference Information Element (IE) will be filled in a mapping message (MAP), for indicating a position of a media access control protocol data unit (MAC PDU) to be transmitted; after a lower relay station receiving the mapping message (MAP) sent by the base station or transmitted by other relay station, the MAC PDU which is obtained according to the indication of the Allocation Reference IE is recombined, and then is put in the bandwidth allocated by the base station and sent downwardly. | 12-09-2010 |
20110069668 | Dedicated Acknowledgement and Delivery of Management Messages in Wireless Communication Systems - Techniques and systems for acknowledging management message reception in a wireless communication system can include operating a first radio station to generate a management message that contains a sequence number unique to the management message and to direct the management message to a second radio station; and operating the second radio station, after receiving the management message from the transmitter, to generate and transmit, before decoding the content of the received the management message, an acknowledgement to the transmitter identifying the received manage message by the sequence number unique to the management message. | 03-24-2011 |
20110070823 | RELAY COMMUNICATION SYSTEM AND A METHOD FOR TRANSMITTING DATA IN THE SAME SYSTEM - A relay communication system and a method for transmitting data in the same system, wherein the method for transmitting data comprises: a relay station notifying a transmitting terminal and a receiving terminal of air interface resources which are required when the transmitting terminal transmits data and when the receiving terminal receives the data (S | 03-24-2011 |
20110096783 | FLEXIBLE OFDM/OFDMA FRAME STRUCTURE FOR COMMUNICATION SYSTEMS - A flexible OFDM/OFDMA frame structure technology for communication systems is disclosed. The OFDM frame structure technology comprises a configurable-length frame which contains a variable length subframe structure to effectively utilize OFDM bandwidth. Furthermore, the frame structure facilitates spectrum sharing between multiple communication systems. | 04-28-2011 |
20110103406 | FLEXIBLE OFDM/OFDMA FRAME STRUCTURE FOR COMMUNICATION SYSTEMS - A flexible OFDM/OFDMA frame structure technology for communication systems is disclosed. The OFDM frame structure technology comprises a configurable-length frame which contains a variable length subframe structure to effectively utilize OFDM bandwidth. Furthermore, the frame structure facilitates spectrum sharing between multiple communication systems. | 05-05-2011 |
20110223954 | Radio resource mapping method - A resource mapping method is provided, in which a wireless communication system maps subcarriers to resource units through external permutation and internal permutation, the external permutation comprises: performing the first permutation on n physical resource units in every N | 09-15-2011 |
20110269451 | Method for sending auxiliary detection signaling - The present invention discloses a method for sending auxiliary detection signaling, comprising: for each base station in a base station group, that is, a first base station, the other base stations in the base station group except the first base station respectively send auxiliary detection signaling at the carrier frequency of the first base station. The technical solution saves both signaling overhead and power and reduces the complexity of a search carried out by an MS. | 11-03-2011 |
20120140744 | Method for downlink sub-frame allocation, information transmission or acquisition in a WiMax evolved system - The present invention provides a method for downlink sub-frame allocation in an evolved WiMAX system, which comprises: setting a IEEE 802.16m frame start offset as a parameter of a deployment area range, and setting a starting location of a IEEE 802.16m frame by each IEEE 802.16m base station within a same deployment area range in the system according to the IEEE 802.16m frame start offset; always allocating a start sub-frame of the IEEE 802.16m frame by the IEEE 802.16m base station as a IEEE 802.16m downlink sub-frame, and sending a super frame header including a synchronization symbol at the starting location of a first frame of a super-frame; or sending a synchronization symbol at the starting location of a first frame of a super-frame and sending a super frame header in a start sub-frame of the first frame of the super-frame; and TDM is performed on the synchronization symbol and the super frame header in the first frame of the super-frame. | 06-07-2012 |
20120236781 | Hybrid automatic repeat request method of a downlink tunnel - The invention discloses a hybrid automatic repeat request method of a downlink tunnel connection in a multi-hop relay system. The base station transmits tunnel data, comprising of protocol data, to the access relay station via the tunnel link, and receives feedback until the access relay station receives the data correctly. The access relay station analyzes the protocol data unit of each mobile station, transmits the protocol data to the corresponding mobile station, and performs the corresponding process after receiving the feedback from each mobile station. Each hop relay station, except for the station accessing the mobile station, will not transmit the reception acknowledgment information to the base station immediately. The corresponding processing after the access relay station receives the feedback is transmitting the feedback from the mobile station to the base station or, not transmitting the feedback, but applying for bandwidth for retransmission according to the feedback of the mobile station. | 09-20-2012 |
20120250563 | Method and apparatus for establishing service route - The present invention discloses a method and an apparatus for establishing a service route, wherein the method comprises the steps of: collecting, by a control station, channel quality information of all links on each path of a terminal; according to the channel quality information, selecting an access station which establishes a route with the terminal. The present invention realizes selecting the access station which establishes a route with the terminal according to the actual application situation. | 10-04-2012 |
20130014220 | Method and system for processing authenticator relocation request - The disclosure provides a method and a system for processing an authenticator relocation request. When detecting that initial authentication, re-authentication or authenticator relocation is being performed for a terminal, a network side refuses a new authenticator relocation request from the terminal. When detecting that no initial authentication, re-authentication or authenticator relocation is being performed for the terminal, the network side accepts the new authenticator relocation request from the terminal. Further, when detecting that the initial authentication, the re-authentication or the authenticator relocation is being performed for the terminal, the network side refuses a new re-authentication request from the terminal. According to the technical solution of the disclosure, the complexity of network element processing is reduced and potential safety hazard is avoided. | 01-10-2013 |
20130014231 | Anchor authenticator relocation method and system - The disclosure provides an anchor authenticator relocation method and system. The method includes: after an old authenticator accepts an anchor authenticator relocation request of a Mobile Station (MS), a new authenticator sends an authenticator relocation request to an AAA server; when the AAA server's verification on the new authenticator is passed and the old authenticator confirms that the new authenticator is trusted, the anchor authenticator is relocated to the new authenticator. The disclosure provides a detailed solution to perform anchor authenticator relocation without re-authentication. | 01-10-2013 |
20130107797 | RESOURCE ALLOCATION IN WIRELESS MULTI-HOP RELAY NETWORKS | 05-02-2013 |