# US 2018/0324890 A1 · Event-triggered mode switching for a mobile terminal > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0324890 A1 - Document ID: US20180324890A1 - Status: Published application - Kind: A1 - Application number: 16/034,882 - Filed: 2018-07-13 - Published: 2018-11-08 - Earliest claimed: 2015-03-18 - Assignees: Sony Mobile Communications Inc. - Applicants: Sony Mobile Communications Inc. - Inventors: Rickard LJUNG - Web page: https://patentgrep.com/patent/US20180324890A1 ## CPC - H04W 76/27: Transitions between radio resource control [RRC] states - H04W 4/70: Services for machine-to-machine communication [M2M] or machine type communication [MTC] - H04W 52/0277: {according to available power supply, e.g. switching off when a low battery condition is detected} - H04W 88/06: adapted for operation in multiple networks {or having at least two operational modes}, e.g. multi-mode terminals - Y02D 30/70: in wireless communication networks - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE ## Abstract A mobile terminal comprises a modem for communication with a wireless network. The modem is configured for operating in a plurality of different modes. The mobile terminal comprises a processing device operative to, in response to detecting a trigger event, perform a mode selection to select a mode from the plurality of modes in accordance with at least one constraint, and control the modem to start operating in the selected mode. ## Claims ### Claim 1 A mobile terminal, comprising: a modem for communication with a wireless network, the modem being configured for operating in a plurality of different modem operation modes, wherein while in each one of the plurality of different modem operation modes the modem is operational; and a processing device operative to, monitor whether a trigger event is detected, perform a mode selection to select a modem operation mode from the plurality of modem operation modes in accordance with at least one constraint in response to detecting a trigger event that is dependent on a condition of the mobile terminal, the at least one constraint defining which modem operation mode or which modem operation modes are allowed to be selected as a function of one or several parameters of the mobile terminal, wherein the selected modem operation mode is distinguished from at least one further modem operation mode by a transmission repetition count associated with each respective modem operation mode, and control the modem to start operating in the selected modem operation mode. ### Claim 2 (depends on 1) The mobile terminal of claim 1, wherein each constraint of the at least one constraint is either static or configured by the wireless network. ### Claim 3 (depends on 2) The mobile terminal of claim 2, wherein the mobile terminal is operative to receive signalling defining a constraint of the at least one constraint from the wireless network. ### Claim 4 (depends on 3) The mobile terminal of claim 3, wherein the signalling comprises Radio Resource Control, RRC, signalling. ### Claim 5 (depends on 3) The mobile terminal of claim 3, wherein the constraint defined by the signalling is a cell-specific constraint. ### Claim 6 (depends on 1) The mobile terminal of claim 1, wherein a further constraint of the at least one constraint is statically stored in the mobile terminal. ### Claim 7 (depends on 1) The mobile terminal of claim 1, wherein the processing device is operative to identify a subset of the plurality of modem operation modes based on the constraint and at least one parameter associated with the mobile terminal. ### Claim 8 (depends on 7) The mobile terminal of claim 7, wherein the at least one parameter comprises information on applications executed by the mobile terminal, the mode selection being performed to reduce data transfers to the mobile terminal while the applications are executed by the mobile terminal. ### Claim 9 (depends on 7) The mobile terminal of claim 7, wherein the at least one parameter comprises at least one of: user equipment category, machine-type communication capability, rate at which the mobile terminal requests data transmissions, and amount of data transmitted by the mobile terminal per time. ### Claim 10 (depends on 1) The mobile terminal of claim 1, wherein the processing device is operative to select a machine-type communication, MTC, mode from the plurality of modem operation modes in the mode selection and to control the mobile terminal to start operating in the MTC mode if the at least one constraint permits the MTC mode to be selected. ### Claim 11 (depends on 10) The mobile terminal of claim 10, wherein the modem makes transitions between a reduced power consumption state and an active state while the mobile terminal operates in the MTC mode. ### Claim 12 (depends on 1) The mobile terminal of claim 1, wherein the selected modem operation mode is distinguished from at least one further modem operation mode by a power consumption and by at least one of: modulation format, maximum output power, and frequency hopping rate. ### Claim 13 A system, comprising a cellular wireless network comprising a plurality of base stations; and a mobile terminal comprising: a modem for communication with the cellular wireless network, the modem being configured for operating in a plurality of different modem operation modes, wherein while in each one of the plurality of different modem operation modes the modem is operational; and a processing device operative to monitor whether a trigger event is detected, perform a mode selection to select a modem operation mode from the plurality of modem operation modes in accordance with at least one constraint in response to detecting a trigger event that is dependent on a condition of the mobile terminal, the at least one constraint defining which modem operation mode or which modem operation modes are allowed to be selected as a function of one or several parameters of the mobile terminal, wherein the selected modem operation mode is distinguished from at least one further modem operation mode by a transmission repetition count associated with each respective modem operation mode, and control the modem to start operating in the selected modem operation mode. ### Claim 14 A method of controlling a mobile terminal, the mobile terminal comprising a modem for communication with a wireless network, the modem being configured for operating in a plurality of different modem operation modes, wherein while in each one of the plurality of different modem operation modes the modem is operational, the method comprising: monitoring, by a processing device of the mobile terminal, whether a trigger event is detected, performing, by the processing device of the mobile terminal, a mode selection to select a modem operation mode from the plurality of modem operation modes in accordance with at least one constraint in response to detecting a trigger event that is dependent on a condition of the mobile terminal, the at least one constraint defining which modem operation mode or which modem operation modes are allowed to be selected as a function of one or several parameters of the mobile terminal, wherein the selected modem operation mode is distinguished from at least one further modem operation mode by a transmission repetition count associated with each respective modem operation mode; and controlling, by the processing device, the modem to start operating in the selected modem operation mode. ### Claim 15 (depends on 14) The method of claim 14, wherein each constraint of the at least one constraint is either static or configured by the wireless network. ### Claim 16 (depends on 15) The mobile terminal of claim 15, further comprising: receiving, by the modem, signalling from the wireless network defining a constraint of the at least one constraint. ### Claim 17 (depends on 14) The method of claim 14, wherein performing the mode selection comprises: identifying a subset of the plurality of modem operation modes based on the at least one constraint and at least one parameter associated with the mobile terminal. ### Claim 18 (depends on 17) The method of claim 17, wherein the at least one parameter comprises at least one of: user equipment category, machine-type communication capability, rate at which the mobile terminal requests data transmissions, and amount of data transmitted by the mobile terminal per time. ### Claim 19 (depends on 14) The method of claim 14, wherein performing the mode selection comprises: selecting a machine-type communication, MTC, mode from the plurality of modem operation modes; and wherein controlling the modem comprises: controlling the modem to start operating in the MTC mode if the at least one constraint permits the MTC mode to be selected. ### Claim 20 (depends on 14) The method of claim of claim 14, wherein the selected modem operation mode is distinguished from at least one further mode by a power consumption and by at least one of: modulation format, maximum output power, frequency hopping rate, and transmission repetition count.