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 |
20090075588 | METHOD AND APPARATUS FOR CONTROLLING A RELAY STATION IN A MULTI-HOP RELAY NETWORK - A method of controlling a relay station in a cell of a multi-hop relay network in accordance with a one-way propagation delay between a base station in the cell and the relay station. A relay station in a cell of a multi-hop relay network including means for controlling the signal flow between the relay station and the various other stations in the cell in accordance with a one-way propagation delay between a base station in the cell and the relay station. | 03-19-2009 |
20090103488 | PRACTICAL METHOD FOR RESOURCE ALLOCATION FOR QOS IN OFDMA-BASED WIRELESS SYSTEMS - A data communication resource allocation for OFDMA based wireless systems supporting heterogeneous traffic is provided by allocating the rates to users subject to power/bandwidth constraints, according to a user selection metric and rate allocation based on traffic requirements and channel conditions. Thus, a proportionally fair rate allocation with minimum rate constraint to data sessions and short term rate guarantees to real-time sessions can be provided. | 04-23-2009 |
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 |
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 |
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 |
20100142436 | Communication Systems - A transmission method for use in a multi-hop wireless communication system is provided. The system includes a source apparatus, a destination apparatus and one or more intermediate apparatuses. The system has access to at least one predetermined transmission introduction sequence and also has access to a time-frequency format for use in assigning available transmission frequency bandwidth during a discrete transmission interval, said format defining a plurality of transmission windows within such an interval. Each window occupies a different part of that interval and has a frequency bandwidth profile within said available transmission frequency bandwidth over its part of that interval. Each said window being assignable for such a transmission interval to at least one of said apparatuses for use in transmission. The method includes, when transmitting a message with a preamble in a particular transmission interval, transmitting the preamble in a first transmission window of that transmission interval. Furthermore, the method includes transmitting the transmission introduction sequence in a second transmission window of that transmission interval other than the first transmission window preferably as control information for use by at least one said intermediate apparatus or the destination apparatus. | 06-10-2010 |
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 |
20110223958 | System and Method for Implementing Power Distribution - A method for adjusting power distribution includes establishing a connection between a base station and a plurality of remote transceivers. The method also includes establishing a plurality of wireless connections with a plurality of endpoints via one or more of the plurality of remote transceivers. The method further includes determining a signal quality indication for each of the plurality of remote transceivers for any endpoint for which the remote transceiver is able to receive a wireless communication. The method also includes determining a power distribution for the plurality of remote transceivers based on the determined signal quality indication for each of the remote transceivers, the power distribution indicative of the amount of power each remote transceiver is to use for each endpoint when transmitting wireless communications. | 09-15-2011 |
20110223960 | System and Method for Implementing Power Distribution - A method for adjusting power distribution that includes establishing a connection between a base station and a plurality of remote transceivers. The method also includes establishing a plurality of wireless connections with a plurality of endpoints via one or more of the plurality of remote transceivers. The method further includes receiving a signal quality indication from each of the plurality of remote transceivers for any endpoint for which the remote transceiver is able to receive a wireless communication. The method additionally includes determining a power distribution for the plurality of remote transceivers based on the received signal quality indication from each of the remote transceivers. The method also includes transmitting a control signal to the plurality of remote transceivers. The control signal comprises the power distribution and is indicative of the amount of power each remote transceiver is to use for each endpoint when transmitting wireless communications. | 09-15-2011 |
20110223961 | System and Method for Implementing Power Distribution - In accordance with particular embodiments, a method for adjusting power distribution includes establishing a connection between a base station and a plurality of remote transceivers. The method also includes establishing a plurality of wireless connections with a plurality of endpoints via one or more of the plurality of remote transceivers. The method further includes determining a plurality of signal quality indications. Each signal quality indication is associated with a different one of a plurality of unique endpoint-remote transceiver pairs. The method additionally includes determining a power distribution for the plurality of remote transceivers based on the plurality of signal quality indications and an optimization equation. The optimization equation is configured to optimize a data throughput associated with the plurality of wireless connections by determining a power gain for each of the wireless connections. | 09-15-2011 |
20110237178 | METHOD AND SYSTEM FOR CPRI CASCADING IN DISTRIBUTED RADIO HEAD ARCHITECTURES - A method of communicating between a base band unit and a plurality of remote radio heads includes the steps of receiving a first signal through an antenna in a first remote radio head, transmitting the first signal to a second remote radio head through a digital radio interface, receiving a second signal through an antenna in the second remote radio head, compensating for a delay accrued in the first signal, adding the first signal and the second signal to obtain a resulting signal, and transmitting the resulting signal to a base band unit through a digital radio interface. | 09-29-2011 |
20110242996 | Method and System for Simulating Wireless Networks - A method, that comprises selecting for simulation a first cell comprising a access station. The method also includes determining a first cell pattern comprising a first plurality of cells surrounding the first cell. The method additionally includes simulating, for each cell of the first plurality of cells, at least one wireless parameter associated with at least one wireless signal. The method further includes determining a second cell pattern comprising a second plurality of cells surrounding the first cell pattern. Each cell of the second plurality of cells comprises a copy of a simulation result of a corresponding cell of the first plurality of cells. The method also includes simulating, for the first cell, at least one wireless parameter associated with at least one wireless connection. The simulation is based on the simulation results of the first plurality of cells and the copied simulation results of the second plurality of cells. | 10-06-2011 |
20110250917 | Method and Apparatus for Centralized Allocation of Bandwidth in a Wireless Network - A method for allocating bandwidth in a wireless network includes communicating wirelessly with at least one endpoint using a first frequency bandwidth. The method may also include receiving a measurement of a signal quality from the at least one endpoint and communicating an indication of the signal quality to a server. The method may further include receiving from the server a second frequency bandwidth based on the signal quality and a cost per unit of frequency bandwidth. The second frequency bandwidth may indicate an amount of frequency bandwidth to use in communicating wirelessly with the at least one endpoint. The method may additionally include communicating wirelessly with the at least one endpoint using the second frequency bandwidth. | 10-13-2011 |
20120064901 | Method and System for Activating a Femto Base Station - A method for activating a femto base station includes transmitting at least one binding message that binds at least one access point with a collocated femto base station. The method also includes determining the collocated femto base station is in a power saving mode. The method additionally includes transmitting via the access point a request requesting that the collocated femto base station is put into an operational mode. | 03-15-2012 |
20120066347 | Method and System for Facilitating Remote Downloading - A method for facilitating remote downloading includes receiving, at a home media gateway associated with at least a first endpoint, a remote download request generated by a web browser running on the first endpoint. The remote download request is relayed to the home media gateway via at least one component of a wireless service provider's network. The wireless service provider provides user authentication for the remote download request. The remote download request includes an address associated with at least one file hosted by a remote server. The method also includes downloading the at least one file from the remote server to the home media gateway. The method further includes, upon detecting a presence of the first endpoint, uploading the at least one file from the home media gateway to the endpoint. | 03-15-2012 |
20120096122 | System and method for facilitating remote downloading - A method for facilitating remote downloading, in accordance with particular embodiments, includes receiving, at a proxy server maintained by a wireless service provider, a remote download request. The remote download request is relayed to the proxy server via at least one component of a wireless service provider's network. The remote download request includes an address associated with at least one file hosted by a remote server. The method also includes downloading the at least one file from the remote server to the proxy server. Upon detecting a presence of the endpoint, the method includes transferring the at least one file from the proxy server to the endpoint via a femto base station associated with the endpoint. | 04-19-2012 |