Samsung Electronics Co., Ltd.

Alok Kumar Jangid

Kailash Kumar Jha

Lalith Kumar

Govind Irappa Uttur

Mudit Goel

Danish Ehsan Hashmi

Nitesh Pushpak Shah

Aman Agarwal

Nishant

Samiran Bhowmik

Krishnamurthy Doddaballapur Ramu

Abhishek Kaswan

Sung-Hoon Kim

Sunghoon Kim

Avneesh Tiwari

Ramesh Chandra Vuppala

Swapnil Santosh Nivendkar

Ravi Pandappa Kamaladinni

Young-Kyo Baek

Kundan Tiwari

Arijit Sen

Koustav Roy

Jagadeesh Gandikota

Ravikumar Kalaimani

Srinidhi N

Ravi Gupta

Siva Selvaganesan

Sidhant Jain

Subbarayudu Mutya

Chetan Sharma

Nishant Nishant

Mohammad Umair

Hitesh Wadhwa

Embodiments herein achieve a method for handling registration and session management in a wireless communication system. The method includes registering, by a User Equipment (UE), with a first core network entity over a 3GPP access network and a non-3GPP access network. Further, the method includes triggering, by the UE, a registration procedure to a second core network over the 3GPP access network when a periodic timer of the UE expires in an OOS state. Further, the method includes receiving, by the UE, a non-access stratum (NAS) message, over the 3GPP access network, with an indication to register for the non-3GPP access network with the second core network entity. Further, the method includes reinitiating the registration procedure to register again for the non-3GPP access with the second core network entity through the non-3GPP access network.

Method and system for handling paging in wireless communication system

A method of handling an ongoing call performed by a UE in a wireless network is provided. The method includes initiating a voice over long term evolution call in a 4G network, detecting that a 5G network entity has configured an inter radio access technology measurement indicating a change from the 4G network to a 5G network based on identification of the 5G network, determining whether at least one of the UE or the 5G network does not support a voice over new radio (VoNR) call with a 5G cell, in response to determining that the at least one of the UE or the 5G network does not support the VoNR call, delaying sending a measurement report until the VOLTE call is completed, and in response to determining that both the UE and the 5G network support the VoNR call, sending the measurement report immediately for the 5G cell.

Method and user equipment for preventing call drop in a wireless network

Disclosed is an electronic device including a wireless communication circuitry capable of supporting dual connectivity for a first cellular communication network and a second cellular communication network, a processor operatively connected with the wireless communication circuitry, and a memory operatively connected to the processor, wherein the memory stores instructions that, when executed by the processor, cause the electronic device to establish a connection with the second cellular communication network as a secondary cell group (SCG) based at least in part on control information received from the first cellular communication network, monitor a condition of the electronic device, and report, if the condition is satisfied, an SCG failure to at least one of the first cellular communication network or the second cellular communication network for releasing the second cellular communication network, wherein the condition includes no mobile activity of the electronic device.

Method and system for managing new radio (NR) communication in an electronic device

Methods and apparatuses are provided in a wireless communication system. Frequency information associated with a cell selection is stored, and a plurality of frequencies are scanned. Cell information is obtained based on the stored frequency information, and, based on the obtained cell information, a first cell to camp on is identified from among a plurality of cells corresponding to the second plurality of frequencies. In identifying the first cell, a cell supporting an evolved-universal terrestrial radio access (E-UTRA) new radio (NR)-dual connectivity (DC) (EN-DC) is preferred over a cell not supporting the EN-DC. The identified first cell is camped on.

Method and apparatus for handling cell selection and re-selection in MR-DC system

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. Embodiments herein provide a method for switching between a plurality of SIM networks by a multi SIM UE in a wireless communication network. The method includes determining, by the multi SIM that the multi SIM UE needs to initiate an active data session on a second SIM network based on one of a paging message received by the multi SIM UE from the second SIM network and at least one MO activity which needs to be delivered using the second SIM network. Further, the method includes sending, by the multi SIM UE, a leaving operator message to the first SIM network indicating that the multi SIM UE is leaving the first SIM network; and switching, by the multi SIM UE, from the first SIM network to the second SIM network by triggering procedures to initiate the active data session on the second SIM network.

Method and system of UE for switching between plurality of SIM networks

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. Embodiments herein provide a method for managing paging procedure by a multi SIM user equipment (UE) in a wireless communication network. The method includes receiving, by the multi SIM UE, a paging message from a first SIM network, where the multi SIM UE is on an active data session on a second SIM network. Further, the method includes reading, by the multi SIM UE, the paging message from the first SIM network and determining, by the multi SIM UE, that a higher priority service is on-going on the second SIM network; and managing, by the multi SIM UE, the paging procedure by sending a paging reject message to the first SIM network of the wireless communication network.

Method and UE for managing paging procedure in wireless communication network

A method of communication in a multi-Subscriber Identity Module (SIM) enabled User Equipment (UE) is disclosed. The method includes registering the UE with a network of a first SIM, establishing a secure communication tunnel between the UE and the network of the first SIM, and establishing a connection between the UE and a network of a second SIM through the secure communication tunnel established between the UE and the network of the first SIM. The method includes registering the UE with the network of the second SIM, upon establishment of the connection between the UE and the network of the second SIM. The method includes initiating a request to indicate a downlink service pending at the network of the second SIM.

Method and systems for receiving incoming service notification for second SIM network using first SIM network

The present disclosure relates to a communication method and system for converging a 5-Generation (5G) communication system for supporting higher data rates beyond a 4-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. Accordingly, methods for handling frequency scanning in a wireless communication network include scanning, by a UE, a first set of frequencies present in a Most Recently Used (MRU) frequency list.

Method and user equipment (UE) for handling frequency scanning in wireless communication network

In an embodiment, a method for selecting a frequency combination for a User Equipment (UE), is disclosed. The method includes determining, by the UE, at least one of a bandwidth or multiple-input multiple-output (MIMO) layer information associated with each of a plurality of cells upon detecting the plurality of cells present in a network. The method includes identifying, by the UE, at least one combination of cells amongst the plurality of cells providing a maximum throughput based on the determined bandwidth and the MIMO layer information associated with each of the plurality of cells. The method further includes latching, by the UE, onto the combination of cells with the maximum throughput.

Methods and systems for maximizing throughput for a device operating in multi-RAT mode

A method of operating an electronic device includes determining initiation of a voice call on a first Subscriber Identity Module (SIM), while availing first data services through the first SIM. The initiation of a voice call leads to a fallback from a first Radio Access Technology (RAT). A Default Data Subscription/Service (DDS) is set to the first SIM. Further, the method includes registering with a first network through a second SIM, in response to determining the second SIM is registered with a second network with a second RAT. The method includes availing the first data services from the second SIM that is registered with the first network, while engaging in the voice call on the first SIM.

Electronic device providing data service and operating method thereof

Embodiments herein provide a wireless communication system for managing a network slice congestion. The wireless communication system includes a User Equipment (UE), operably coupled to a core network. The UE is configured to transmit a first NAS signaling message to the core network, wherein the first NAS signaling message comprises a specific network slide identity. The core network i configured to detect the network slice congestion in the wireless communication system. Further, the core network is configured to indicate the network slice congestion using a second NAS signaling message to the User Equipment (UE), wherein the second NAS signaling message comprising a reject cause value and a back off timer for the requested network slice identity.

User Equipment (UE) and core network for managing network slice congestion in wireless communication system

Various embodiments herein disclose a method camping a User Equipment (UE) on a cell, the method comprising: creating a combined Most Recently Used (MRU) list by merging a list 4G MRU frequencies with a Public Land Mobile Network (PLMN) having a 5GC and a list of 5G MRU frequencies, determining whether one of a 4G cell with 5G core (5GC) and a 5G cell is available for camping by performing a MRU scan on the combined MRU list; performing one of: camping on one of the 4G cell with 5G core and the 5G cell in response to determining that one of the 5G cell and the 4G cell with 5G core is available and performing a 4G MRU frequency scan on a list of 4G without 5GC MRU frequencies in response to determining that one of the 4G cell with 5G core and the 5G cell is not available.

Method and system for camping a UE in 4G and 5G overlapping area

Disclosed is a method for handling cell selection in a multiple radio access technology dual connectivity (MR-DC) system, including scanning, by a user equipment (UE), at least one frequency, identifying, by the UE, a first cell supporting an MR-DC based on the scanned at least one frequency, and camping, by the UE, to the identified first cell.

Provided is a method performed by a user equipment (UE) in a wireless communication system supporting Evolved Universal Mobile Telecommunications System Terrestrial Radio Access Network (E-UTRAN) New Radio (NR)-Dual Connectivity (ENDC). The method includes: receiving system information including information on an NR band list supported in the ENDC; identifying, based on the system information, NR bands supported at LTE frequencies of Long Term Evolution (LTE) bands in a most recently used (MRU) LTE frequency list of the UE; prioritizing the LTE frequencies in the MRU LTE frequency list, based on the supported NR bands and an ENDC capability of the UE; and performing a cell selection based on the prioritized MRU LTE frequency list.

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Bengaluru, India

Alok Kumar Jangid