Patent application number | Description | Published |
20080219365 | METHOD OF GROUPING AND MAPPING TRANSMISSION STATIONS IN A WIRELESS NETWORK - A method of mapping transmission stations in a wireless network by grouping the transmission stations such that each transmission station in the same group transmits a sounding signal in the same time symbol. A method of grouping transmission stations in a wireless network includes sorting the transmission stations in descending order according to a number of transmission links of each transmission station that are unmapped, evaluating each transmission station based on how many unmapped transmission links can be mapped if the evaluated transmission station is made to transmit a sounding signal, placing each transmission station into a group, based on the evaluation, until all of the transmission links are mapped or until the maximum number of sounding bands are used, and, if all of the transmission links are not mapped, repeating the sorting, evaluating, and placing for each time symbol until all of the transmission links are mapped. | 09-11-2008 |
20080225717 | TRAFFIC ENGINEERING ON WIRELESS MESH NETWORKS - Techniques are described for intelligently allocating bandwidth in a wireless mesh network. The wireless mesh network includes a nodes and links interconnecting the nodes. In order to increase capacity and avoid congestion in the network, a network administrator may regulate network traffic by adjusting various parameters that control the operation of network nodes. The network administrator may identify topology information, which indicates a configuration of the nodes and links, and a traffic matrix, which indicates a relative traffic demand weighting for each source node-destination node pair. From this information, the network administrator may calculate a bandwidth assignment for each link. Network administrator may use the bandwidth assignments to calculate a parameter for each node. That parameter may affect the amount of bandwidth used by a node. These parameters may be transmitted to their respective nodes. | 09-18-2008 |
20090310559 | Seamless Handover of a Mobile Station from a Macro Base Station to a Privately Accessible Femto Base Station - In an embodiment, a method is provided that includes receiving a handover request for a mobile station to be handed over to a macro base station. Identification information for the mobile station is received. The identification of the mobile station is compared with stored association information that includes identification information of a femto base station, and identification information for a particular mobile station. The method further includes identifying that the mobile station identification information matches the identification information for an associated mobile station using the stored association information. The information regarding the associated femto base station is transmitted to the associated mobile station. | 12-17-2009 |
20090310568 | Seamless Handover and Load Balance Between Macro Base Stations and Publicly Accessible Femto Base Stations - The teachings of the present disclosure relate to seamless handover between macro base stations and publicly accessible femto base stations that includes scheduling a null period in a femto base station's communications activity. The method also includes monitoring mobile station activity during the null period at the femto base station. A candidate mobile station is identified based on the monitoring. An identifier of the candidate mobile station is transmitted from the femto base station to a macro base station. The identifier may be used to initiate handover of service of the candidate mobile station from the macro base station to the femto base station. | 12-17-2009 |
20090310584 | Self Organizing Network - A method for implementing a self organizing network includes establishing a connection between a femto base station and a network access device operable to provide the femto base station with Internet access. The method also includes establishing a backhaul connection between the femto base station and a wireless service provider's network via the Internet. The method further includes synchronizing the femto base station with a wireless network via the backhaul connection. The method additionally includes receiving initial wireless parameters from the wireless service provider's network via the backhaul connection. The method also includes determining whether wireless operation is possible, and upon determining wireless operation is possible, operating within the wireless network. | 12-17-2009 |
20090312019 | Mobile Station Assisted Seamless Handover to a Femto Base Station - According to an embodiment, a method is provided. The method includes identifying a femto base station of a wireless network as the home femto base station for a mobile station served by the wireless network. The connection parameters for the home femto base station may be stored at the mobile station. A home macro base station may be identified and associated with the home femto base station. Identification information for the home macro base station may be stored at the mobile station. Association information of the home femto base station with the home macro base station may be stored at the mobile station. | 12-17-2009 |
20090312022 | Self Organizing Network - A method for implementing a self organizing network includes establishing a connection between a femto base station and a network access device operable to provide the femto base station with Internet access. The method also includes establishing a backhaul connection between the femto base station and a wireless service provider's network via the Internet. The method further includes establishing a wireless connection with one or more endpoints via a radio frequency (RF) channel. The method additionally includes transmitting, from the femto base station to the wireless service provider's network, neighborhood RF interference information via the backhaul connection. The method also includes receiving RF channel re-provisioning information from the wireless service provider's network and re-provisioning the RF channel. The method further includes participating in a hand-off procedure to hand-off the endpoints to the re-provisioned RF channel. | 12-17-2009 |
20090312024 | Seamless Handover Between Macro Base Stations and Publicly Accessible Femto Base Stations - The teachings of the present disclosure relate to seamless handover between macro base stations and publicly accessible femto base stations that includes determining the location of each of a plurality of femto base stations in the coverage area of a macro base station. A plurality of groups according to the locations of the particular femto base stations are created. The groups are a subset of the plurality of femto base stations. Finally, identification information for one or more of the groups of femto base stations is transmitted to a mobile station in the coverage area of the macro base station. | 12-17-2009 |
20090316601 | System And Method For Positioning In A Wireless Network - A method for wireless communication includes receiving a first scan report generated by a first node of a wireless communication network. The scan report includes identification information for a plurality of nodes coupled to the wireless communication network. The plurality of nodes comprises a second node whose location is unknown. The scan report also includes a plurality of time values, each time value corresponding to a communication time between the first node and each of the plurality of nodes. The method further includes determining a first plurality of distances using the first plurality of time values. Each distance of the first plurality of distances corresponds to a distance between the first node and each of the plurality of nodes. In addition, the method includes determining location information for the second node utilizing the plurality of distances. Further, the method includes providing a service to at least one wireless device utilizing the location information. | 12-24-2009 |
20100034180 | Apparatus And Method For Network Access Device Localization On A Wireless Network - According to an example embodiment, a method for wireless communication includes establishing a communication session between a base station associated with a wireless network and a network access device associated with a separate communications network. The network access device provides the base station access to the communications network. The method further includes receiving location information from the network access device. The location information describes the location of the network access device. The network device receives the location information from a server on the communications network. In addition, the method includes providing a service to at least one wireless device utilizing the location information. | 02-11-2010 |
20100046376 | System and Method for Balancing Network Load in a Non-Transparent Multi-Hop Relay Network - A method for balancing network load includes determining an initial capacity of a wireless network comprising a plurality of endpoints coupled to a plurality of different types of access stations. The access stations comprise one or more relay stations and at least one base station. The method also includes identifying one or more endpoints that would increase capacity of the wireless network if switched to a different access station. The method further comprises tentatively switching the identified endpoints from their current access station to a different access station. The method additionally includes determining if the capacity of the wireless network is increased from the initial capacity by the tentative switch and, upon the capacity of the wireless network increasing, switching the identified endpoints from their current access station to a different access station. | 02-25-2010 |
20100054169 | System and Method for Allocating Resources in a Non-Transparent Multi-Hop Relay Network - A method for allocating resources in a wireless network includes establishing one or more links. The method also includes the following iterative steps: allocating a first number of slots to the relay links; dividing the first number of slots among the relay links; determining a representative relay data rate indicative of a data rate provided by one of the relay links for one of the multi-hop access links; allocating the second number of slots to the multi-hop access links; dividing the second number of slots among the multi-hop access links; determining the effective multi-hop data rate based on the minimum of the representative relay link data rate and the multi-hop data rate; allocating the third number of slots to the single-hop access links; dividing the third number of slots among the single-hop access links; and upon the single-hop data rate being approximately equal to the effective multi-hop data rate, provisioning the first, second and third number of slots. | 03-04-2010 |
20100054170 | Apparatus and Method for Allocating Resources in a Transparent Multi-Hop Relay Network - A method for allocating resources in a multi-hop relay network includes establishing one or more relay links, single-hop access links, and multi-hop access links. The method also includes iteratively repeating the following steps until a single-hop data rate is approximately equal to a multi-hop data rate: allocating a first number of slots to the multi-hop access links; dividing the first number of slots among the multi-hop access links; allocating a second number of slots to the relay links; allocating a third number of slots to the single-hop access links; dividing the third number of slots among the single-hop access links; and comparing the single-hop data rate to the multi-hop data rate. The method also includes, upon the single-hop data rate being approximately equal to the multi-hop data rate, provisioning the first number of slots to each of the multi-hop access links, the second number of slots to each of the relay links, and the third number of slots to each of the single-hop access links. | 03-04-2010 |
20100054171 | System and Method for Selecting an Access Link in a Multi-Hop Relay Network - A method for selecting an access link in a multi-hop relay network includes determining a first effective spectrum efficiency value of a first connection between an endpoint and a base station. The first effective spectrum efficiency value is indicative of the spectrum efficiency from the endpoint to the base station when the first connection is used. The method also includes determining a second effective spectrum efficiency value of a second connection between the endpoint and the base station via a relay station. The second effective spectrum efficiency value is indicative of the spectrum efficiency from the endpoint to the base station when the second connection is used. The method also includes comparing the first and second effective spectrum efficiency values. The method further includes establishing a connection using one of the first or second connections based on the comparison of the first and second effective spectrum efficiency values. | 03-04-2010 |
20100061248 | INTERFERENCE MEASURING AND MAPPING METHOD AND APPARATUS FOR WIRELESS NETWORKS USING RELAY STATIONS - Interference levels occurring at one or more stations in a wireless network, where each of said one or more stations is a base station or a relay station. The measured interference levels are mapped by building a first matrix including noise plus interference occurring at each of the one or more stations, respectively, and scheduled transmissions at predetermined times by each relay station respectively are mapped by building a second matrix. The first matrix and the second matrix are multiplied in order to determine the noise plus interference impact upon each base station by each relay station so that a network schedule can be generated in order to increase bandwidth efficiency in the network. | 03-11-2010 |
20100103887 | System and Method for Implementing Effective Channel Quality Indication - A method for implementing effective channel quality indication includes, at an endpoint of a wireless network, establishing a communication session with an access station via a wireless connection. The method also includes determining a highest modulation and coding scheme (“MCS”) value supported by the endpoint using the wireless connection. The method further includes determining whether an immediately preceding MCS level is supported by the endpoint using the wireless connection. The method additionally includes transmitting a message from the endpoint. The message comprises an effective channel quality indication (“ECQI”) provides an indication of the highest supported MCS level for the wireless connection and an indication of whether the endpoint supports the immediately preceding MCS value for the wireless connection. | 04-29-2010 |
20100110979 | System And Method For Incorporating A Low Power Mode In Wireless Communication - According to one embodiment, a method for wireless communication comprises providing, at a base station, a plurality of endpoints with access to a wireless network. The method also comprises the base station entering a low power mode, wherein the base station ceases to provide the plurality of endpoints with access to the wireless network while in the low power mode. In addition, the method comprises the base station transitioning to an active mode from the low power mode during a first predetermined time, wherein the first predetermined time is identified by the base station and at least one endpoint before the base station transitions to the active mode. Further, if the base station receives a request to access the wireless network from at least one endpoint after transitioning to the active mode during a second predetermined time, the method comprises the base station remaining in the active mode. If the base station does not receive a request to access the wireless network from at least one endpoint after transitioning to the active mode during the second predetermined time, the method comprises the base station transitioning to the low power mode. | 05-06-2010 |
20100111011 | System And Method For Accelerated Network Entrance - In one embodiment, a method for wireless communication includes providing, at a base station, access to a network to a preferred endpoint during a first communication session. In addition, the method includes determining, at the base station, to treat the preferred endpoint as preferred. The method also includes causing, at the base station, at least one parameter regarding the preferred endpoint used to establish the first communication session to be stored in response to determining to treat the preferred endpoint as preferred. In addition, the method includes receiving, at the base station, a request for a second communication session after the first communication session has ended. Further, the method includes determining, at the base station, that the request for the second communication session was sent by the preferred endpoint. The method also includes retrieving, at the base station, the stored at least one parameter in response to determining that the preferred endpoint sent the request for the second communication session. Moreover, the method includes utilizing, at the base station, the retrieved at least one parameter to establish the second communication session with the preferred endpoint. The method also includes providing, at the base station, access to the network to the preferred endpoint during the second communication session. | 05-06-2010 |
20100115265 | System And Method For Enhanced Network Entrance Into A Wireless Network - In one embodiment, a method for wireless communication includes providing, at a base station, access to a network to a preferred endpoint. The method includes sending, at the base station, at least one cryptographic parameter to the preferred endpoint. In addition, the method includes receiving, at the base station, a plurality of ranging codes from the preferred endpoint. The plurality of ranging codes are received after the base station has ceased providing the preferred endpoint access to the network. Also, the method includes determining, at the base station, that the plurality of received ranging codes correspond to a plurality of ranging codes of a predetermined set of ranging codes. The predetermined set of ranging codes is determined utilizing the at least one cryptographic parameter. Further, the method includes providing, at the base station, an entrance to the network to the preferred endpoint in response to determining that the plurality of received ranging codes correspond to the plurality of ranging codes of the predetermined set of ranging codes. | 05-06-2010 |
20100177789 | Device and Method for Reducing Overhead in a Wireless Network - A method for reducing overhead includes identifying a plurality of packets that are all to comprise at least one common piece of security information. The method also includes concatenating the plurality of packets into a single jumbo packet. The method further includes applying a single set of security information to the jumbo packet. The single set of security information is based on the at least one common piece of security information. | 07-15-2010 |
20100214978 | System and Method for Reducing Overhead in a Wireless Network - A method for reducing overhead includes concatenating a plurality of packets into a single jumbo packet. Each packet of the plurality of packets comprises a header. The method also includes identifying a base header from among the plurality of headers. The method further includes determining a plurality of hamming distances that are each associated with a respective packet of the plurality of packets other than the base header and are indicative of a number of differences between the respective header and another header of the plurality of headers. The method further includes determining a plurality of encoded values that are each associated with a respective packet of the plurality of packets other than the base header and determined based on a difference between the respective header and at least one other header. The method additionally includes generating, and transmitting via a wireless connection, a jumbo header comprising the base header, the plurality of hamming distances, and the plurality of encoded values. | 08-26-2010 |
20110086653 | REUSE PATTERN NETWORK SCHEDULING USING INTERFERENCE LEVELS - Interference levels occurring at one or more stations are mapped, and a reuse pattern is generated, based on the mapped interference levels, including one or more reuse sets of stations capable of sharing a transmission resource. The stations within each reuse set are listed in increasing order based on their respective interference levels, and an additional station is added to a reuse set, as long as the cumulative interference level within the reuse set is below a threshold interference level and the additional station is not already listed in another reuse set. A network schedule is updated based on the reuse pattern to increase bandwidth efficiency in the network. | 04-14-2011 |