Patent application number | Description | Published |
20090097434 | Frame Constructing and Frame Processing Methods, Device and System In Multi-Hop Access Network - The present invention discloses a frame constructing method for use in a multi-hop wireless access network, the method comprising the steps of: determining Relay Stations (RSs) and Mobile Stations (MSs); setting a DL sub-frame; setting an UL sub-frame; and constructing a completed frame based on the UL sub-frame and the DL sub-frame; wherein the step of setting the DL sub-frame comprises a step of setting a DL relay sub-frame field for DL relay information sent to the RS; and the step of setting the UL sub-frame comprises a step of setting an UL relay sub-frame field for UL relay information sent from the RS. The present invention further discloses a corresponding frame processing method and a device, base station, relay station and system for implementing the method. According to the present invention, the synchronization in the whole network system is ensured, and the handover operation when the MS moves is simplified. Moreover, the situation that the base station and the relay stations use different frequencies can be supported. Additionally, the delay of traffic transmission is decreased. | 04-16-2009 |
20100182946 | METHODS AND DEVICES FOR TRANSMITTING DATA IN THE RELAY STATION AND THE BASE STATION - A new data packet transmission solution is provided in the present invention. Firstly, a source network equipment sends a duplicate of a data packet to a sponsor relay station and other one or more assistant relay stations; then the one or more assistant relay stations transmit the duplicate of the data packet received to the sponsor relay station. After the sponsor relay station receives the duplicate directly transmitted by the source and a plurality of duplicates which are transmitted by one or more assistant relay stations, it applies a joint processing of several duplicates of the data packet, and then transmits the result of the joint processing to a corresponding network equipment. Preferably, after one or more assistant relay stations transmit the duplicates of the data packet to the sponsor relay station, the destination network equipment also receives one or more duplicates, and applies a joint processing of the one or more duplicates and a duplicate of the data packet which is received from the sponsor relay station. | 07-22-2010 |
20110110270 | METHOD AND APPARATUS FOR RECONSTRUCTING THE NETWORK TOPOLOGY IN WIRELESS RELAY COMMUNICATION NETWORK - A solution of reconstructing the network topology according to the traffic related information of each cell is proposed in the present invention, so as to achieve self-optimization of network. The traffic related information of a cell includes the traffic related information applicable to network topology reconstruction, or load related information as is named, including but not limited to time-frequency resource related amount that is used by the traffic data in the cell, traffic throughout of each cell or the wireless channel quality of each cell for transmitting traffic data, etc. The solutions in the present invention realize the network topology reconstruction according to traffic related information of multiple cells, therefore the network capacity and service quality could be effectively improved and the wireless relay communication network is applicable to those areas with unpredictable traffic distribution. And the network topology reconstruction function in the present invention can simplify network planning and network management, so that network deployment cost and maintenance and management expenses could be saved. | 05-12-2011 |
20110110305 | METHOD AND APPARATUS FOR PROCESSING PROTOCOL DATA UNITS IN A WIRELESS NETWORK - A method and apparatus for processing protocol data units in network devices of wireless networks are provided. In this solution, data corresponding to different logical connections could be carried in the same protocol data unit. As a result, the overheads of processing information in a system that is irrelevant to data are reduced, especially the overheads for MAC Headers and Sub-headers. | 05-12-2011 |
20110274032 | BASE STATION, RELAY STATION, MOBILE TERMINAL FOR IMPLEMENTING RELAY AND THE CORRESPONDING METHOD - In order to solve the drawbacks in the prior art, a new technology scheme is provided in the present invention, in which relay stations are introduced to participate in the communication of multiple carriers. The relay station only relays the carriers with had wireless transmission characteristic and controls the transmission of those relayed carrier via a carrier which does not need to be relayed. The relayed carrier is generally a high frequency carrier and the carrier which does not need to be relayed is a low frequency carrier. The base station or the relay station determines a carrier which needs to be relayed for the relay station according to the channel conditions of each carrier. The technology scheme provided by the present invention divides a NLOS (Non-Line-Of-Sight) transmission into at least two LOS transmissions. Therefore, it is easy to extend high frequency carrier to cell edge etc. Meanwhile the mobile terminal does not need extra transmission power to transmit high frequency carrier, so that the fast consumption of the terminal battery power is avoided and the great radiation hazard to the human body is also avoided. The service data and the signaling etc. which has not been relayed will still propagate in the low frequency carrier, so that the time delay resulted from the relay is avoided. | 11-10-2011 |
20120289283 | METHOD OF AND APPARATUS FOR USER EQUIPMENT TO SELECT AN ACCESS BASE STATION - The invention proposes a method of selecting an access base station in a user equipment of a wireless communication network, and the method generally includes the steps of: the user equipment selecting, among at least one base station, a small power base station preferably to perform an access, wherein a signal of each of the at least one base station covers the user equipment. Also the invention proposes a selecting access apparatus for selecting an access base station corresponding to the method. In an application scenario of the heterogeneous network including both small power base stations and macro base stations, the invention enables balanced usage of access resources in the heterogonous network while avoiding interference resulting from the preferable access to a macro base station with larger transmission power to thereby improve the overall performance of the heterogonous network and particularly a heterogonous network involving a hot zone. | 11-15-2012 |
20130003650 | METHOD, BASE STATION AND RELAY NODE FOR UPLINK TRANSMISSION - A method for uplink transmission is proposed in the present invention. The method comprises steps of: selecting, based on statistical parameters for uplink traffic of a relay node, an uplink transmission method from a set of candidate uplink transmission methods; informing the relay node of the selected uplink transmission method; and performing the uplink transmission by the relay node according to the selected uplink transmission method. A base station and a relay node for implementing the uplink transmission method are also proposed in the present invention. According to the present invention, the base station can dynamically select different uplink transmission methods based on the statistical parameters for uplink traffic of the relay node, and the relay node can perform the uplink transmission based on the selected uplink transmission method so as to achieve favorable delay performance and high resource usage efficiency. | 01-03-2013 |
20140036852 | METHOD OF COMMUNICATION UNDER NETWORK CONDITION CONVERGING CELLULAR NETWORK AND WLAN - A method of communication for an access control apparatus under network condition converging cellular network and WLAN, includes receiving an uplink data package from an user equipment; retrieving a destination address of the uplink data package from the received uplink data package; and determining the attribution of the destination address. If the destination address is attributed to the fixed network segment, then the uplink data package is routed to the fixed access network through Network Address Translation function. If the destination address is attributed to the mobile core network segment, then the uplink data package is routed to the mobile core network through Network Address Translation function. | 02-06-2014 |
20140258723 | METHOD AND A DEVICE OF AUTHENTICATION IN THE CONVERGED WIRELESS NETWORK - In the existing WLAN network, the authentication method using the pre-shared cipher key has low safety, and is not applicable for large scale deployment; while the authentication method based on 802.1x is very complex and needs to introduce EAP/RADIUS servers. The invention provides an authentication method and device in a converged wireless access network, wherein, the wireless access network and the UE all maintain a cipher key of a UE for accessing the first wireless access network, when the UE accessing the second wireless access network, the wireless access network and the UE implements the authentication based on the cipher key. In the invention, the UE key for accessing the first wireless access network, which has been obtained safely, is used in the authentication for the access of the UE in the second wireless access network. Compared to the traditional solution of the shared cipher key, the proposed solution ensures safety; and compared to the traditional 802.1x solution, it saves the operation of obtaining the cipher key via negotiating, and does not need to involve the network element such as key servers etc. | 09-11-2014 |
20150063246 | METHOD OF MANAGING DATA BEARERS IN A WIRELESS ACCESS DEVICE AND UES - In the converged access environment of multiple radio access modes, such as a cellular mobile network and a WLAN etc. the existing technology can't set up and manage the radio bearer, over a WLAN, corresponding to the data bearer in the cellular mobile network. The invention provides a method of managing data bearers in a wireless access device, wherein, the access device integrates the access functions of a first bearer network and a second bearer network, the method comprises the following steps: a. maintaining a radio bearer with UEs, the radio bearer (Wi-Fi radio bearer) being used for bidirectional data transmission and based on the second bearer network; b. maintaining a backhaul data bearer (S bearer) with the connected serving gateways of the first bearer network; c. binding the radio bearer and the backhaul data bearer. By adopting the invention, the backhaul data bearer of a LTE network can seamlessly converge with the radio bearer of a Wi-Fi network, thereby achieving that the mobile data traffic is transported over a Wi-Fi. | 03-05-2015 |
20150078248 | METHODS FOR SUPPORTING COEXISTENCE OF A MOBILE RELAY AND A FIXED RELAY AND CORRESPONDING APARATUSES - The present invention discloses methods for supporting coexistence of a mobile relay and a fixed relay in a wireless communication network, and corresponding apparatuses. A method comprises: receiving, by a base station, a first message from a relay; determining, by the base station, whether the relay is a mobile relay or a fixed relay based on the first message received from the relay; sending, by the base station, a second message to a mobility management entity, the second message comprising information indicating whether the relay is a mobile relay or a fixed relay so that the mobility management entity can select a corresponding service gateway SGW and a corresponding packet data network gateway PGW for the relay. According to the present invention, coexistence of a mobile relay and a fixed relay in a wireless communication network can be realized with a minimal impact on standardization work. | 03-19-2015 |