# US 2014/0194157 A1 · Dual or multiple sim standby and active using a single digital baseband > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0194157 A1 - Document ID: US20140194157A1 - Status: Published application - Kind: A1 - Application number: 14/129,681 - Filed: 2012-05-24 - Published: 2014-07-10 - Earliest claimed: 2011-07-13 - Assignees: Nokia Corporation - Inventors: Daniel D. Ezekiel; Srinath Ananthaswamy; John Jelonnek - Web page: https://patentgrep.com/patent/US20140194157A1 ## CPC - H04B 1/401: for selecting or indicating operating mode - H04W 76/15: Setup of multiple wireless link connections - H04W 88/06: adapted for operation in multiple networks {or having at least two operational modes}, e.g. multi-mode terminals - H04W 8/18: Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data - H04W 72/1215: {for collaboration of different radio technologies} - H04B: TRANSMISSION - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract An apparatus comprises two or more SIM card connectors in a communication system configured to operate according to a plurality of communication protocols and coupled to at least one processor (610) for processing communication signals, a control unit (632) configured to generate a control signal to select a communication path (629-1, 629-2, 631-1, 631-2, 645-1, 647-1, 647-2) dedicated to an associated SIM card connector, and a switch (630) responsive to the control signal to switch the communication signals received from or transmitted to any one of the two or more SIM card connectors using the selected communication path. An apparatus comprises a plurality of radio frequency integrated circuit RFICs (640-1, 640-2) coupled to a plurality of RF interfaces of a digital baseband (600) of a communication apparatus, the plurality of RFICs includes a programmable state machine that executes programmed instructions to perform write to the RFICs, thereby enabling RF control. ## Claims ### Claim at position 1 1-32. (canceled) ### Claim 33 A method, comprising: detecting a state of each of two or more SIM card connectors and its associated communication protocol; processing communication signals received and/or to be transmitted; generating a control signal to select a communication path dedicated to an associated SIM card connector; and switching the communication signals received or transmitted to any of the two or more SIM card connectors using the selected communication path. ### Claim 34 (depends on 33) The method of claim 33 wherein the two or more SIM card connectors are configured to at least one of a GSM and a WCDMA communication protocols. ### Claim 35 (depends on 33) The method of claim 33 wherein a processor is configured to detect the communication protocols according to the received or transmitted signals. ### Claim 36 (depends on 33) The method of claim 33 wherein the two or more SIM card connectors are defined according to a priority. ### Claim 37 (depends on 33) The method of claim 33 wherein the two or more SIM card connectors are defined with a priority card connector and a plurality of secondary card connectors. ### Claim 38 (depends on 33) The method of claim 33 wherein the two or more SIM card connectors are coupled to a plurality of radio frequency integrated circuits RFICs, each of the plurality of RFICs includes a programmable state machine that executes programmed instructions, wherein the programmed instructions perform write instructions to the RFICs registers, thereby enabling RF control. ### Claim 39 (depends on 34) The method of claim 34 wherein one or more SIM card connectors perform a GSM receiver chain functionality. ### Claim 40 (depends on 39) The method of claim 39 wherein the GSM receiver chain functionality is performed with an equalization, demodulation and channel decoding. ### Claim 41 (depends on 34) The method of claim 34 wherein one or more SIM cards connectors perform a WCDMA receiver chain functionality. ### Claim 42 (depends on 41) The method of claim 41 wherein the WCDMA receiver chain functionality is performed with an equalization, rake reception and channel decoding in a receiver path, and convolutional encoding in a transmit path, and spreading according to 3GPP specifications. ### Claim 43 (depends on 33) The method of claim 33 wherein the at least one processor contains a control processor unit and associated peripherals that execute protocol codes. ### Claim 44 (depends on 43) The method of claim 43 wherein the at least one processor further contains a processor on which protocol stack functionality of GSM and WCDMA are executed. ### Claim 45 An apparatus, comprising: at least one processor; and at least one memory including computer program code; wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus to perform at least the following: detecting a state of each of two or more SIM card connectors and its associated communication protocol; processing communication signals received and/or to be transmitted; generating a control signal to select a communication path dedicated to an associated SIM card connector; and switching the communication signals received or transmitted to any of the two or more SIM card connectors using the selected communication path. ### Claim 46 (depends on 45) The apparatus of claim 45 wherein the two or more SIM card connectors are configured to at least one of a GSM and a WCDMA communication protocols. ### Claim 47 (depends on 45) The apparatus of claim 45 wherein a processor is configured to detect the communication protocols according to the received or transmitted signals. ### Claim 48 (depends on 45) The apparatus of claim 45 wherein the two or more SIM card connectors are defined according to a priority. ### Claim 49 (depends on 45) The apparatus of claim 45 wherein the two or more SIM card connectors are defined with a priority card connector and a plurality of secondary card connectors. ### Claim 50 (depends on 45) The apparatus of claim 45 wherein the two or more SIM card connectors are coupled to a plurality of radio frequency integrated circuits RFICs, each of the plurality of RFICs includes a programmable state machine that executes programmed instructions, wherein the programmed instructions perform write instructions to the RFICs registers, thereby enabling RF control. ### Claim 51 (depends on 46) The apparatus of claim 46 wherein one or more SIM card connectors perform a GSM receiver chain functionality. ### Claim 52 A computer program comprising: code for detecting a state of each of two or more SIM card connectors and its associated communication protocol; code for processing communication signals received and/or to be transmitted; code for generating a control signal to select a communication path dedicated to an associated SIM card connector; and code for switching the communication signals received or transmitted to any of the two or more SIM card connectors using the selected communication path; when the computer program is run on a processor.