# US 11,445,405 B1 · Method and system for concurrently transmitting signals > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,445,405 B1 - Document ID: US11445405B1 - Status: Granted - Kind: B1 - Application number: 17/350,667 - Filed: 2021-06-17 - Granted: 2022-09-13 - Earliest claimed: 2021-06-17 - Assignees: Sprint Spectrum L.P. - Applicants: Sprint Spectrum L.P. - Inventors: Nagi Mansour; Akin Ozozlu; Kafi Hassan - Web page: https://patentgrep.com/patent/US11445405B1 ## CPC - H04J 13/004: {Orthogonal} - H04W 28/065: {using assembly or disassembly of packets} - H03M 13/29: combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes - H04B 7/0686: {Hybrid systems, i.e. switching and simultaneous transmission} - H04J 13/0003: {Code application, i.e. aspects relating to how codes are applied to form multiplexed channels} - H04J 13/102: {Combining codes} - H04W 72/0466: {the resource being a scrambling code} - H04J: MULTIPLEX COMMUNICATION (transmission in general H04B; peculiar to transmission of digital information H04L5/00; systems for the simultaneous or sequential transmission of more than one television signal H04N7/08; in exchanges H04Q11/00; stereophonic systems H04S) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H03M: CODING; DECODING; CODE CONVERSION IN GENERAL (using fluidic means F15C4/00; optical analogue/digital converters G02F7/00; coding, decoding or code conversion, specially adapted for particular applications, see the relevant subclasses, e.g. G01D, G01R, G06F, G06T, G09G, G10L, G11B, G11C, H04B, H04L, H04M, H04N; ciphering or deciphering for cryptography or other purposes involving the need for secrecy G09C) - H04B: TRANSMISSION ## Abstract A method and a system for concurrently transmitting from an antenna a first sequence of data from a first access node and a second sequence of data from a second access node is presented. An example method includes orthogonally encoding the first and second sequences, including encoding the first sequence with a first binary code to produce a first encoded sequence and encoding the second sequence with a second binary code to produce a second encoded sequence, combining the first encoded sequence and the second encoded sequence to produce a combined encoded sequence, and transmitting the combined encoded sequence from the antenna, with transmitting the combined encoded sequence from the antenna including engaging in a first transmission of the combined encoded sequence from the antenna and engaging in a second transmission of the combined encoded sequence from the same antenna with a phase delay compared with the first transmission. ## Claims ### Claim 1 A method for concurrently transmitting from an antenna (i) a first sequence of data from a first access node and (ii) a second sequence of data from a second access node, the method comprising: orthogonally encoding the first and second sequences, including encoding the first sequence with a first binary code to produce a first encoded sequence and encoding the second sequence with a second binary code to produce a second encoded sequence, wherein the first binary code is orthogonal to the second binary code; combining the first encoded sequence and the second encoded sequence to produce a combined encoded sequence; and transmitting the combined encoded sequence from the antenna, wherein transmitting the combined encoded sequence from the antenna comprises (i) engaging in a first transmission of the combined encoded sequence from the antenna, and (ii) engaging in a second transmission of the combined encoded sequence from the same antenna with a phase delay compared with the first transmission. ### Claim 2 (depends on 1) The method of claim 1, wherein the first access node and the second access node serve a common user equipment device (UE), wherein transmitting the combined encoded sequence is to the common UE. ### Claim 3 (depends on 1) The method of claim 1, wherein encoding the first sequence with the first binary code comprises XOR'ing the first sequence with the first binary code to produce the first encoded sequence, and wherein encoding the second sequence with the second binary code comprises XOR'ing the second sequence with the second binary code to produce the second encoded sequence. ### Claim 4 (depends on 1) The method of claim 1, wherein combining the first encoded sequence and the second encoded sequence to produce the combined encoded sequence comprises: summing the first encoded sequence with the second encoded sequence to produce the combined encoded sequence, wherein summing the first encoded sequence with the second encoded sequence comprises AND'ing the first encoded sequence and the second encoded sequence together. ### Claim 5 (depends on 1) The method of claim 1, wherein the first transmission of the combined encoded sequence occurs with a first phase, wherein engaging in the second transmission of the combined encoded sequence from the same antenna with the phase delay comprises: after the first transmission, transmitting the combined encoded sequence from the same antenna after a predefined amount of time at a second phase, wherein the second phase is different from the first phase. ### Claim 6 (depends on 1) The method of claim 1, wherein the first binary code and the second binary code are Walsh codes. ### Claim 7 (depends on 1) The method of claim 1, wherein the first binary code and the second binary code have zero cross-correlation with each other. ### Claim 8 (depends on 1) The method of claim 1, wherein encoding the first sequence with the first binary code to produce the first encoded sequence is carried out by the first access node, and wherein encoding the second sequence with the second binary code to produce the second encoded sequence is carried out by the second access node. ### Claim 9 A system comprising: an antenna; at least one processing unit; at least one non-transitory data storage; and program instructions stored in the at least one non-transitory data storage and executable by the system to carry out operations for concurrently transmitting from the antenna (i) a first sequence of data from a first access node and (ii) a second sequence of data from a second access node, the operations including: orthogonally encoding the first and second sequences, including encoding the first sequence with a first binary code to produce a first encoded sequence and encoding the second sequence with a second binary code to produce a second encoded sequence, wherein the first binary code is orthogonal to the second binary code, combining the first encoded sequence and the second encoded sequence to produce a combined encoded sequence, and transmitting the combined encoded sequence from the antenna, wherein transmitting the combined encoded sequence from the antenna comprises (i) engaging in a first transmission of the combined encoded sequence from the antenna, and (ii) engaging in a second transmission of the combined encoded sequence from the same antenna with a phase delay compared with the first transmission. ### Claim 10 (depends on 9) The system of claim 9, wherein the first access node and the second access node serve a common user equipment device (UE), wherein transmitting the combined encoded sequence is to the common UE. ### Claim 11 (depends on 9) The system of claim 9, wherein encoding the first sequence with the first binary code comprises XOR'ing the first sequence with the first binary code to produce the first encoded sequence, and wherein encoding the second sequence with the second binary code comprises XOR'ing the second sequence with the second binary code to produce the second encoded sequence. ### Claim 12 (depends on 9) The system of claim 9, wherein combining the first encoded sequence and the second encoded sequence to produce the combined encoded sequence comprises: summing the first encoded sequence with the second encoded sequence to produce the combined encoded sequence, wherein summing the first encoded sequence with the second encoded sequence comprises AND'ing the first encoded sequence and the second encoded sequence together. ### Claim 13 (depends on 9) The system of claim 9, wherein the first transmission of the combined encoded sequence occurs with a first phase, wherein engaging in the second transmission of the combined encoded sequence from the same antenna with the phase delay comprises; transmitting the combined encoded sequence from the same antenna after a predefined amount of time from the first transmission at a second phase different from the first phase. ### Claim 14 (depends on 9) The system of claim 9, wherein the first binary code and the second binary code are Walsh codes. ### Claim 15 (depends on 9) The system of claim 9, wherein the first binary code and the second binary code have zero cross-correlation with each other. ### Claim 16 A wireless communication system comprising: a wireless communication interface including an antenna; a backhaul communication interface through which to communicate with other entities; and a controller, wherein the controller is configured to cause the wireless communication system to carry out operations for concurrently transmitting from the antenna (i) a first sequence of data from a first access node and (ii) a second sequence of data from a second access node, the operations including: orthogonally encoding the first and second sequences, including encoding the first sequence with a first binary code to produce a first encoded sequence and encoding the second sequence with a second binary code to produce a second encoded sequence, wherein the first binary code is orthogonal to the second binary code; combining the first encoded sequence and the second encoded sequence to produce a combined encoded sequence; and transmitting the combined encoded sequence from the antenna, wherein transmitting the combined encoded sequence from the antenna comprises (i) engaging in a first transmission of the combined encoded sequence from the antenna, and (ii) engaging in a second transmission of the combined encoded sequence from the same antenna with a phase delay compared with the first transmission. ### Claim 17 (depends on 16) The wireless communication system of claim 16, wherein the controller comprises at least one processor, at least one non-transitory data storage, and program instructions stored in the at least one non-transitory data storage and executable by the at least one processor to cause the wireless communication system to carry out the operations. ### Claim 18 (depends on 16) The wireless communication system of claim 16, wherein the first access node and the second access node serve a common user equipment device (UE), wherein transmitting the combined encoded sequence is to the common UE. ### Claim 19 (depends on 16) The wireless communication system of claim 16, wherein encoding the first sequence with the first binary code comprises XOR'ing the first sequence with the first binary code to produce the first encoded sequence, and wherein encoding the second sequence with the second binary code comprises XOR'ing the second sequence with the second binary code to produce the second encoded sequence; and wherein combining the first encoded sequence and the second encoded sequence to produce the combined encoded sequence comprises summing the first encoded sequence with the second encoded sequence to produce the combined encoded sequence, wherein summing the first encoded sequence with the second encoded sequence comprises AND'ing the first encoded sequence and the second encoded sequence together. ### Claim 20 (depends on 16) The wireless communication system of claim 16, wherein the first transmission of the combined encoded sequence occurs with a first phase, wherein engaging in the second transmission of the combined encoded sequence from the same antenna with the phase delay comprises: transmitting the combined encoded sequence from the same antenna after a predefined amount of time from the first transmission at a second phase different from the first phase.