Patent application number | Description | Published |
20120232896 | METHOD AND AN APPARATUS FOR VOICE ACTIVITY DETECTION - A voice activity detection apparatus ( | 09-13-2012 |
20130226595 | METHOD AND DEVICE FOR ENCODING A HIGH FREQUENCY SIGNAL, AND METHOD AND DEVICE FOR DECODING A HIGH FREQUENCY SIGNAL - A method and a device for encoding a high frequency signal, and a method and a device for decoding a high frequency signal are provided, which relate to encoding and decoding technology. The method for encoding a high frequency signal includes: determining a signal type of a high frequency signal of a current frame; smoothing and scaling time envelopes of the high frequency signal of the current frame and obtaining time envelopes of the high frequency signal of the current frame that require to be encoded, if the high frequency signal of the current frame is a non-transient signal and a high frequency signal of the previous frame is a transient signal; and quantizing and encoding the time envelopes of the high frequency signal of the current frame that require to be encoded, and frequency information and signal type information of the high frequency signal of the current frame. | 08-29-2013 |
20130304461 | METHOD AND AN APPARATUS FOR VOICE QUALITY ENHANCEMENT - A voice quality enhancement (VQE) detector for a network element receiving an audio signal from a previous network element of a network, wherein said voice quality enhancement detector is adapted: to perform a voice quality enhancement detection based on the received audio signal, wherein said voice quality enhancement detection comprises detecting that at least one voice quality enhancement function, VQEF, was applied to the received audio signal by at least one previous network element of the network; and to control a voice quality enhancement processing of the received audio signal depending on the detection result. | 11-14-2013 |
20140012571 | METHOD AND APPARATUS FOR PROVIDING SIGNAL PROCESSING COEFFICIENTS - A method and apparatus for providing signal processing coefficients for processing an input signal at a predetermined signal processing sampling rate, wherein the input signal is received at an input signal sampling rate, the method comprising the steps of computing a correlation or covariance function based on the received input signal at the input signal sampling rate to provide correlation or covariance coefficients at the input signal sampling rate, re-sampling the computed correlation or covariance coefficients having the input signal sampling rate to provide correlation or covariance coefficients at the predetermined signal processing sampling rate, and calculating the signal processing coefficients based on the correlation or covariance coefficients at the predetermined signal processing sampling rate. | 01-09-2014 |
20140142931 | PITCH DETECTION METHOD AND APPARATUS - The present invention discloses a pitch detection method and apparatus, which belong to the field of speech and audio. The pitch detection method includes: performing pitch detection on a speech signal in a time domain to obtain an initial pitch period; converting the speech signal to a frequency domain to obtain a frequency spectrum of the speech signal, where the frequency spectrum includes a magnitude spectrum of the frequency spectrum; extracting a feature parameter according to the initial pitch period and the frequency spectrum of the speech signal; and performing fine pitch period detection according to the initial pitch period and the feature parameter to obtain a fine pitch period. | 05-22-2014 |
20140172420 | AUDIO OR VOICE SIGNAL PROCESSOR - A voice or audio signal processor for processing received network packets received over a communication network to provide an output signal, the voice or audio signal processor comprising a jitter buffer being configured to buffer the received network packets, a voice or audio decoder being configured to decode the received network packets as buffered by the jitter buffer to obtain a decoded voice or audio signal, a controllable time scaler being configured to amend a length of the decoded voice or audio signal to obtain a time scaled voice or audio signal as the output voice or audio signal, and an adaptation control means being configured to control an operation of the time scaler in dependency on a processing complexity measure. | 06-19-2014 |
Patent application number | Description | Published |
20110286410 | COMMUNICATION SYSTEM AND COMMUNICATION CONTROLLING METHOD - A communication method in LIPA/SIPTO architecture is provided which, when a user equipment (UE) is to connect from a serving area to an external network, allows re-selection of an optimal gateway. The communication method allows selecting a gateway apparatus physically or topologically close to a site, where the user equipment is attached. | 11-24-2011 |
20110286430 | COMMUNICATION SYSTEM AND COMMUNICATION CONTROLLING METHOD - A communication method in LIPA/SIPTO architecture is provided which, when a user equipment (UE) is to connect from a serving area to an external network, allows re-selection of an optimal gateway. The communication method allows selecting a gateway apparatus physically or topologically close to a site, where the user equipment is attached. | 11-24-2011 |
20110292912 | COMMUNICATION SYSTEM AND COMMUNICATION CONTROLLING METHOD - A communication method in LIPA/SIPTO architecture is provided which, when a user equipment (UE) is to connect from a serving area to an external network, allows re-selection of an optimal gateway. The communication method allows selecting a gateway apparatus physically or topologically close to a site, where the user equipment is attached. | 12-01-2011 |
20120140729 | COMMUNICATION SYSTEM AND COMMUNICATION CONTROLLING METHOD - A communication method in LIPA/SIPTO architecture is provided which, when a user equipment (UE) is to connect from a serving area to an external network, allows re-selection of an optimal gateway. The communication method allows selecting a gateway apparatus physically or topologically close to a site, where the user equipment is attached. | 06-07-2012 |
20120140735 | COMMUNICATION SYSTEM AND COMMUNICATION CONTROLLING METHOD - A communication method in LIPA/SIPTO architecture is provided which, when a user equipment (UE) is to connect from a serving area to an external network, allows re-selection of an optimal gateway. The communication method allows selecting a gateway apparatus physically or topologically close to a site, where the user equipment is attached. | 06-07-2012 |
20120140736 | COMMUNICATION SYSTEM AND COMMUNICATION CONTROLLING METHOD - A communication method in LIPA/SIPTO architecture is provided which, when a user equipment (UE) is to connect from a serving area to an external network, allows re-selection of an optimal gateway. The communication method allows selecting a gateway apparatus physically or topologically close to a site, where the user equipment is attached. | 06-07-2012 |
20120140737 | COMMUNICATION SYSTEM AND COMMUNICATION CONTROLLING METHOD - A communication method in LIPA/SIPTO architecture is provided which, when a user equipment (UE) is to connect from a serving area to an external network, allows re-selection of an optimal gateway. The communication method allows selecting a gateway apparatus physically or topologically close to a site, where the user equipment is attached. | 06-07-2012 |
20120140738 | COMMUNICATION SYSTEM AND COMMUNICATION CONTROLLING METHOD - A communication method in LIPA/SIPTO architecture is provided which, when a user equipment (UE) is to connect from a serving area to an external network, allows re-selection of an optimal gateway. The communication method allows selecting a gateway apparatus physically or topologically close to a site, where the user equipment is attached. | 06-07-2012 |
20120140739 | COMMUNICATION SYSTEM AND COMMUNICATION CONTROLLING METHOD - A communication method in LIPA/SIPTO architecture is provided which, when a user equipment (UE) is to connect from a serving area to an external network, allows re-selection of an optimal gateway. The communication method allows selecting a gateway apparatus physically or topologically close to a site, where the user equipment is attached. | 06-07-2012 |
20120140742 | COMMUNICATION SYSTEM AND COMMUNICATION CONTROLLING METHOD - A communication method in LIPA/SIPTO architecture is provided which, when a user equipment (UE) is to connect from a serving area to an external network, allows re-selection of an optimal gateway. The communication method allows selecting a gateway apparatus physically or topologically close to a site, where the user equipment is attached. | 06-07-2012 |
20120147851 | COMMUNICATION SYSTEM AND COMMUNICATION CONTROLLING METHOD - A communication method in LIPA/SIPTO architecture is provided which, when a user equipment (UE) is to connect from a serving area to an external network, allows re-selection of an optimal gateway. The communication method allows selecting a gateway apparatus physically or topologically close to a site, where the user equipment is attached. | 06-14-2012 |
20120147853 | COMMUNICATION SYSTEM AND COMMUNICATION CONTROLLING METHOD - A communication method in LIPA/SIPTO architecture is provided which, when a user equipment (UE) is to connect from a serving area to an external network, allows re-selection of an optimal gateway. The communication method allows selecting a gateway apparatus physically or topologically close to a site, where the user equipment is attached. | 06-14-2012 |
20120147876 | COMMUNICATION SYSTEM AND COMMUNICATION CONTROLLING METHOD - A communication method in LIPA/SIPTO architecture is provided which, when a user equipment (UE) is to connect from a serving area to an external network, allows re-selection of an optimal gateway. The communication method allows selecting a gateway apparatus physically or topologically close to a site, where the user equipment is attached. | 06-14-2012 |
20120182940 | METHOD FOR CONTROLLING THE TRAFFIC WITHIN A NETWORK STRUCTURE AND A NETWORK STRUCTURE - A reliable and flexible method for controlling traffic within a network structure without the addition of remarkable complexity to the core network is provided, the structure including a PDN (Packet Data Network), an operator core network with a DNS (Domain Name System) server, a HeNB (Home evolved Node B) or HNB (Home Node B) and/or eNB (Evolved Node B) or NB (Node B) and a UE (User Equipment) that is associated with the HeNB or HNB and/or eNB or NB. On the basis of a predefinable routing policy the DNS server is controlling whether a traffic from a UE to a destination address within a local network associated to the HeNB or HNB or eNB or NB or within a PDN and/or vice versa will be routed via the core network or directly via the local network in support of local network protocol access or selected network protocol traffic offload. | 07-19-2012 |
20120213199 | COMMUNICATION SYSTEM AND COMMUNICATION CONTROLLING METHOD - A communication method in LIPA/SIPTO architecture is provided which, when a user equipment (UE) is to connect from a serving area to an external network, allows re-selection of an optimal gateway. The communication method allows selecting a gateway apparatus physically or topologically close to a site, where the user equipment is attached. | 08-23-2012 |
20120307799 | METHOD AND MOBILE TERMINAL DEVICE FOR SUPPORTING MULTIPLE SIMULTANEOUS PDN CONNECTIONS TO THE SAME APN - A method for supporting selection of PDN connections for a mobile terminal, wherein the mobile terminal is connected to an access point, and wherein the mobile terminal is in active mode having at least one ongoing session to an APN via a PDN gateway—first PDN gateway—, includes the steps of monitoring whether a more suitable PDN gateway—second PDN gateway—than the first PDN gateway becomes available for the mobile terminal, and, if available, establishing any new sessions of the mobile terminal to the APN by establishing a new PDN connection to the second PDN gateway, while keeping already ongoing sessions associated with the existing PDN connection to the first PDN gateway. Furthermore, a mobile terminal with PDN connection selection support is disclosed. | 12-06-2012 |
20120314688 | METHOD FOR ROUTING TRAFFIC WITHIN A NETWORK AND A NETWORK - A method for routing traffic within a network for allowing an efficient offloading of LIPA/SIPTO traffic from the core network even upon handoff of a UE to a new cell, wherein the network includes a core network and a LIPA/SIPTO (Local IP Access/Selected IP Traffic Offload) enabled network, wherein traffic between a UE (User Equipment) and the LIPA/SIPTO enabled network—a so called LIPA/SIPTO traffic—is broken out at a local breakout point and wherein a mobility support for ongoing broken out LIPA/SIPTO traffic will be provided by an MMF (Mobility Management Function) for realizing a continuation of the LIPA/SIPTO traffic upon a handoff of the UE from one cell to another cell. The continuation of the LIPA/SIPTO traffic will be performed by a forwarding mechanism providing direct LIPA/SIPTO traffic between local breakout points of different cells. A network for carrying out the method is also described. | 12-13-2012 |
20130083650 | METHOD FOR HANDLING FAILURE OF A MME IN A LTE/EPC NETWORK - Method for handling failure of a MME (Mobility Management Entity) in a Long Term Evolution/Evolved Packet Core network or an Evolved Packet System, wherein multiple UEs (User Equipment) are attached to a first MME, which stores first context information representing the UEs attached to the first MME, the UEs are connected to one of multiple eNBs (evolved NodeB), the eNB may communicate with the first MME and with at least one neighboring MME, and the UEs may communicate with the first MME and with the at least one neighboring MME via the eNB, includes: detecting failure of the first MME, gathering information related to UEs attached to the first MME, restoring parts of the first context information at one or several of the neighboring MME using the gathered information, and re-establishing network internal logical connections with the one or several of the neighboring MME using the restored first context information. | 04-04-2013 |
20130214615 | METHOD FOR COLABORATIVE ENERGY TRANSFER IN A WIRELESS NETWORK AND CORRESPONDING WIRELESS NETWORK - For allowing a prolongation of the operation time of individual network elements and/or of the whole network in a simple way a method for operating a wireless network is claimed, wherein the network comprises a number of network elements being configured for wireless communication with each other and for wireless energy transfer from one network element to another network element and wherein energy will be transferred wirelessly from one network element to another network element according to negotiations between the network elements for optimizing a network element's individual and/or network's overall energy budget and/or lifetime. Further, an according network is claimed, preferably for carrying out the above mentioned method. | 08-22-2013 |
20140126541 | COMMUNICATION SYSTEM AND COMMUNICATION CONTROLLING METHOD - A communication method in LIPA/SIPTO architecture is provided which, when a user equipment (UE) is to connect from a serving area to an external network, allows re-selection of an optimal gateway. The communication method allows selecting a gateway apparatus physically or topologically close to a site, where the user equipment is attached. | 05-08-2014 |
20140169332 | METHOD FOR SUPPORTING SELECTION OF PDN CONNECTIONS FOR A MOBILE TERMINAL AND MOBILE TERMINAL - A method for supporting selection of PDN connections for a mobile terminal, in particular in decentralized mobile operator networks, wherein the mobile terminal is connected to an access point, wherein the mobile terminal is in active mode having at least one ongoing IP session to a Packet Data Network (PDN) via a PDN gateway-first PDN gateway-, wherein monitoring whether a more suitable PDN gateway-second PDN gateway-than the first PDN gateway becomes available for the mobile terminal is performed, and wherein in case of detecting the second PDN gateway, any new IP session of the mobile terminal to the PDN is established by initiating a new PDN connection to the second PDN gateway, while an already ongoing session associated with the existing PDN connection to the first PDN gateway is kept. Furthermore, a mobile terminal with PDN connection selection support is disclosed. | 06-19-2014 |
20140328321 | COMMUNICATION SYSTEM AND COMMUNICATION CONTROLLING METHOD - A communication method in LIPA/SIPTO architecture is provided which, when a user equipment (UE) is to connect from a serving area to an external network, allows re-selection of an optimal gateway. The communication method allows selecting a gateway apparatus physically or topologically close to a site, where the user equipment is attached. | 11-06-2014 |