# US 2019/0357174 A1 · Data transmission method, apparatus and system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0357174 A1 - Document ID: US20190357174A1 - Status: Published application - Kind: A1 - Application number: 16/476,074 - Filed: 2018-07-02 - Published: 2019-11-21 - Earliest claimed: 2017-01-06 - Assignees: China Academy of Telecommunications Technology - Applicants: China Academy of Telecommunications Technology - Inventors: Zheng ZHAO; Ekpenyong TONY; Bin REN; Xueming PAN - Web page: https://patentgrep.com/patent/US20190357174A1 ## CPC - H04L 1/0003: {by switching between different modulation schemes} - H04W 72/30: Resource management for broadcast services - H04L 27/261: {Details of reference signals} - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04W 74/004: {in the uplink, i.e. towards network} - H04L 1/0009: {by adapting the channel coding (H04L1/1812 takes precedence)} - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A data transmission method, apparatus and system, the method comprising: for an initial access uplink data transmission, determining a modulation and coding scheme for uplink data according to protocol specification and/or base station broadcast information; using the determined modulation and coding scheme to perform modulation and coding on the uplink data, and sending a preamble and the modulated and coded uplink data. In the present invention, the modulation and coding scheme for the uplink data for the initial access uplink data transmission is determined according to the protocol specification and/or base station broadcast information, and the modulation and coding is thereby performed on the uplink data. ## Claims ### Claim 1 A data transmitting method, comprising: determining a modulation and coding scheme of uplink data for uplink data transmission of an initial access according to a protocol specification, and/or information broadcasted by a gNB (next-Generation Node B); and encoding and modulating the uplink data using the determined modulation and coding scheme, and transmitting a preamble, and the encoded and modulated uplink data. ### Claim 2 (depends on 1) The method according to claim 1, wherein the determining the modulation and coding scheme of uplink data for uplink data transmission of an initial access according to the protocol specification, and/or the information broadcasted by the gNB comprises: selecting one of at least one modulation and coding scheme specified in the protocol specification and/or broadcasted by the gNB as the modulation and coding scheme of uplink data; and/or determining the modulation and coding scheme of uplink data according to a correspondence relationship between resources and modulation and coding schemes specified in the protocol specification and/or broadcasted by the gNB; wherein the resources comprise at least one of: preambles, and time and frequency resources for transmitting preambles. ### Claim 3 (canceled) ### Claim 4 (canceled) ### Claim 5 (depends on 2) The method according to claim 2, wherein when the resources are preambles, the determining the modulation and coding scheme of uplink data comprises: determining a modulation and coding scheme corresponding to the preamble in the uplink data transmission as the modulation and coding scheme of uplink data according to a correspondence relationship between preambles and modulation and coding schemes; or selecting a modulation and coding scheme in a modulation and coding scheme group corresponding to the preamble in the uplink data transmission as the modulation and coding scheme of uplink data according to the preamble in the uplink data transmission, and a correspondence relationship between preambles and modulation and coding scheme groups, wherein each modulation and coding scheme group comprises at least two modulation and coding schemes. ### Claim 6 (depends on 2) The method according to claim 2, wherein when the resources are time and frequency resources for transmitting preambles, the determining the modulation and coding scheme of uplink data comprises: determining a modulation and coding scheme corresponding to a time and frequency resource group comprising a time and frequency resource for transmitting the preamble in the uplink data transmission as the modulation and coding scheme of uplink data according to the preamble in the uplink data transmission, and a correspondence relationship between time and frequency resource groups and modulation and coding schemes; or selecting a modulation and coding scheme in a modulation and coding scheme group corresponding to a time and frequency resource group comprising a time and frequency resource for transmitting the preamble in the uplink data transmission as the modulation and coding scheme of uplink data according to the time and frequency resource for transmitting the preamble, and a correspondence relationship between time and frequency resource groups and modulation and coding scheme groups, wherein each modulation and coding scheme group comprises at least two modulation and coding schemes. ### Claim 7 (depends on 2) The method according to claim 2, wherein when the resources are preambles, and time and frequency resources for transmitting preambles, the determining the modulation and coding scheme of uplink data comprises: determining a modulation and coding scheme corresponding to the preamble in the uplink data transmission, and a time and frequency resource group comprising a time and frequency resource for transmitting the preamble as the modulation and coding scheme of uplink data according to the preamble in the uplink data transmission, the time and frequency resource for transmitting the preamble in the uplink data transmission, and a correspondence relationship between preambles and time and frequency resource groups for transmitting the preambles, and modulation and coding schemes; or selecting a modulation and coding scheme in a modulation and coding scheme group corresponding to the preamble in the uplink data transmission, and a time and frequency resource group comprising a time and frequency resource for transmitting the preamble as the modulation and coding scheme of uplink data according to the preamble in the uplink data transmission, the time and frequency resource for transmitting the preamble in the uplink data transmission, and a correspondence relationship between preambles and time and frequency resource groups for transmitting the preambles, and modulation and coding scheme groups, wherein each modulation and coding scheme group comprises at least two modulation and coding schemes. ### Claim 8 A data receiving method, comprising: receiving encoded and modulated uplink data, and a preamble, transmitted by a UE, and determining a modulation and coding scheme of uplink data according to a protocol specification, and/or information broadcasted by a gNB (next-Generation Node B); and decoding and demodulating the uplink data using the determined modulation and coding scheme. ### Claim 9 (depends on 8) The method according to claim 8, wherein the determining the modulation and coding scheme of uplink data according to the protocol specification, and/or the information broadcasted by the gNB comprises: selecting one of at least one modulation and coding scheme specified in the protocol specification and/or broadcasted by the gNB as the modulation and coding scheme of uplink data; and/or determining the modulation and coding scheme of uplink data according to a correspondence relationship between resources and modulation and coding schemes specified in the protocol specification and/or broadcasted by the gNB; wherein the resources comprises at least one of: preambles, and time and frequency resources for transmitting preambles. ### Claim 10 (canceled) ### Claim 11 (canceled) ### Claim 12 (depends on 9) The method according to claim 9, wherein when the resources are preambles, the determining the modulation and coding scheme of uplink data comprises: determining a modulation and coding scheme corresponding to the preamble in the uplink data transmission as the modulation and coding scheme of uplink data according to a correspondence relationship between preambles and modulation and coding schemes; or decoding and demodulating the uplink data using each of at least two modulation and coding schemes in a modulation and coding scheme group corresponding to the preamble in the uplink data transmission sequentially according to the preamble in the uplink data transmission, and a correspondence relationship between preambles and modulation and coding scheme groups, and determining a modulation and coding scheme with which the uplink data is decoded and demodulated successfully as the modulation and coding scheme of uplink data. ### Claim 13 (depends on 9) The method according to claim 9, wherein when the resources are time and frequency resources for transmitting preambles, the determining the modulation and coding scheme of uplink data comprises: determining a modulation and coding scheme corresponding to a time and frequency resource group comprising a time and frequency resource for transmitting the preamble in the uplink data transmission as the modulation and coding scheme of uplink data according to the preamble in the uplink data transmission, and a correspondence relationship between time and frequency resource groups and modulation and coding schemes; or decoding and demodulating the uplink data using each of at least two modulation and coding schemes in a modulation and coding scheme group corresponding to a time and frequency resource group comprising a time and frequency resource for transmitting the preamble in the uplink data transmission sequentially according to the time and frequency resource for transmitting the preamble in the uplink data transmission, and a correspondence relationship between time and frequency resource groups and modulation and coding scheme groups, and determining a modulation and coding scheme with which the uplink data is decoded and demodulated successfully as the modulation and coding scheme of uplink data. ### Claim 14 (depends on 9) The method according to claim 9, wherein when the resources are preambles, and time and frequency resources for transmitting preambles, the determining the modulation and coding scheme of uplink data comprises: determining a modulation and coding scheme corresponding to the preamble in the uplink data transmission, and a time and frequency resource group comprising a time and frequency resource for transmitting the preamble as the modulation and coding scheme of uplink data according to the preamble in the uplink data transmission, the time and frequency resource for transmitting the preamble in the uplink data transmission, and a correspondence relationship between preambles and time and frequency resource groups for transmitting the preambles, and modulation and coding schemes; or decoding and demodulating the uplink data using each of at least two modulation and coding schemes in a modulation and coding scheme group corresponding to the preamble in the uplink data transmission, and a time and frequency resource group comprising a time and frequency resource for transmitting the preamble sequentially according to the preamble in the uplink data transmission, the time and frequency resource for transmitting the preamble in the uplink data transmission, and a correspondence relationship between preambles and time and frequency resource groups for transmitting the preambles, and modulation and coding scheme groups, and determining a modulation and coding scheme with which the uplink data is decoded and demodulated successfully as the modulation and coding scheme of uplink data. ### Claim 15 A UE, comprising: a processor configured to read and execute program in a memory: to determine a modulation and coding scheme of uplink data for uplink data transmission of an initial access according to a protocol specification, and/or information broadcasted by a gNB (next-Generation Node B), and to encode and modulate the uplink data using the determined modulation and coding scheme; and a transceiver configured to transmit and receive data under the control of the processor, and configured: to transmit a preamble, and the encoded and modulated uplink data. ### Claim 16 (depends on 15) The UE according to claim 15, wherein the processor configured to determine the modulation and coding scheme of uplink data according to the protocol specification, and/or the information broadcasted by the gNB is configured: to select one of at least one modulation and coding scheme specified in the protocol specification and/or broadcasted by the gNB as the modulation and coding scheme of uplink data; and/or to determine the modulation and coding scheme of uplink data according to a correspondence relationship between resources and modulation and coding schemes specified in the protocol specification and/or broadcasted by the gNB; wherein the resources comprise at least one of: preambles, and time and frequency resources for transmitting preambles. ### Claim 17 (canceled) ### Claim 18 (canceled) ### Claim 19 (depends on 16) The UE according to claim 16, wherein when the resources are preambles, the processor configured to determine the modulation and coding scheme of uplink data is configured: to determine a modulation and coding scheme corresponding to the preamble in the uplink data transmission as the modulation and coding scheme of uplink data according to a correspondence relationship between preambles and modulation and coding schemes; or to select a modulation and coding scheme in a modulation and coding scheme group corresponding to the preamble in the uplink data transmission as the modulation and coding scheme of uplink data according to the preamble in the uplink data transmission, and a correspondence relationship between preambles and modulation and coding scheme groups, wherein each modulation and coding scheme group comprises at least two modulation and coding schemes. ### Claim 20 (depends on 16) The UE according to claim 16, wherein when the resources are time and frequency resources for transmitting preambles, the processor configured to determine the modulation and coding scheme of uplink data is configured: to determine a modulation and coding scheme corresponding to a time and frequency resource group comprising a time and frequency resource for transmitting the preamble in the uplink data transmission as the modulation and coding scheme of uplink data according to the preamble in the uplink data transmission, and a correspondence relationship between time and frequency resource groups and modulation and coding schemes; or to select a modulation and coding scheme in a modulation and coding scheme group corresponding to a time and frequency resource group comprising a time and frequency resource for transmitting the preamble in the uplink data transmission as the modulation and coding scheme of uplink data according to the time and frequency resource for transmitting the preamble, and a correspondence relationship between time and frequency resource groups and modulation and coding scheme groups, wherein each modulation and coding scheme group comprises at least two modulation and coding schemes. ### Claim 21 (depends on 16) The UE according to claim 16, wherein when the resources are preambles, and time and frequency resources for transmitting the preambles, the processor configured to determine the modulation and coding scheme of uplink data is configured: to determine a modulation and coding scheme corresponding to the preamble in the uplink data transmission, and a time and frequency resource group comprising a time and frequency resource for transmitting the preamble as the modulation and coding scheme of uplink data according to the preamble in the uplink data transmission, the time and frequency resource for transmitting the preamble in the uplink data transmission, and a correspondence relationship between preambles, time and frequency resource groups for transmitting the preambles, and modulation and coding schemes; or to select a modulation and coding scheme in a modulation and coding scheme group corresponding to the preamble in the uplink data transmission, and a time and frequency resource group comprising a time and frequency resource for transmitting the preamble as the modulation and coding scheme of uplink data according to the preamble in the uplink data transmission, the time and frequency resource for transmitting the preamble in the uplink data transmission, and a correspondence relationship between preambles, time and frequency resource groups for transmitting the preambles, and modulation and coding scheme groups, wherein each modulation and coding scheme group comprises at least two modulation and coding schemes. ### Claim 22 A gNB (next-Generation Node B), comprising: a transceiver configured to transmit and receive data under the control of a processor, and configured: to receive encoded and modulated uplink data, and a preamble, transmitted by a UE; and the processor configured to read and execute program in a memory: to determine a modulation and coding scheme of uplink data according to a protocol specification, and/or information broadcasted by the gNB, and to decode and demodulate the uplink data using the determined modulation and coding scheme. ### Claim 23 (depends on 22) The gNB according to claim 22, wherein the processor configured to determine the modulation and coding scheme of uplink data according to the protocol specification, and/or the information broadcasted by the gNB is configured: to select one of at least one modulation and coding scheme specified in the protocol specification and/or broadcasted by the gNB as the modulation and coding scheme of uplink data; and/or to determine the modulation and coding scheme of uplink data according to a correspondence relationship between resources and modulation and coding schemes specified in the protocol specification and/or broadcasted by the gNB; wherein the resources comprise at least one of: preambles, and time and frequency resources for transmitting preambles. ### Claim 24 (canceled) ### Claim 25 (canceled) ### Claim 26 (depends on 23) The gNB according to claim 23, wherein when the resources are preambles, the processor configured to determine the modulation and coding scheme of uplink data is configured: to determine a modulation and coding scheme corresponding to the preamble in the uplink data transmission as the modulation and coding scheme of uplink data according to a correspondence relationship between preambles and modulation and coding schemes; or to decode and demodulate the uplink data using each of at least two modulation and coding schemes in a modulation and coding scheme group corresponding to the preamble in the uplink data transmission sequentially according to the preamble in the uplink data transmission, and a correspondence relationship between preambles and modulation and coding scheme groups, and to determine a modulation and coding scheme with which the uplink data is decoded and demodulated successfully as the modulation and coding scheme of uplink data. ### Claim 27 (depends on 23) The gNB according to claim 23, wherein when the resources are time and frequency resources for transmitting preambles, the processor configured to determine the modulation and coding scheme of uplink data is configured: to determine a modulation and coding scheme corresponding to a time and frequency resource group comprising a time and frequency resource for transmitting the preamble in the uplink data transmission as the modulation and coding scheme of uplink data according to the preamble in the uplink data transmission, and a correspondence relationship between time and frequency resource groups and modulation and coding schemes; or to decode and demodulate the uplink data using each of at least two modulation and coding schemes in a modulation and coding scheme group corresponding to a time and frequency resource group comprising a time and frequency resource for transmitting the preamble in the uplink data transmission sequentially according to the time and frequency resource for transmitting the preamble in the uplink data transmission, and a correspondence relationship between time and frequency resource groups and modulation and coding scheme groups, and to determine a modulation and coding scheme with which the uplink data is decoded and demodulated successfully as the modulation and coding scheme of uplink data. ### Claim 28 (depends on 23) The gNB according to claim 23, wherein when the resources are preambles, and time and frequency resources for transmitting the preambles, the processor configured to determine the modulation and coding scheme of uplink data is configured: to determine a modulation and coding scheme corresponding to the preamble in the uplink data transmission, and a time and frequency resource group comprising a time and frequency resource for transmitting the preamble as the modulation and coding scheme of uplink data according to the preamble in the uplink data transmission, the time and frequency resource for transmitting the preamble in the uplink data transmission, and a correspondence relationship between preambles and time and frequency resource groups for transmitting the preambles, and modulation and coding schemes; or to decode and demodulate the uplink data using each of at least two modulation and coding schemes in a modulation and coding scheme group corresponding to the preamble in the uplink data transmission, and a time and frequency resource group comprising a time and frequency resource for transmitting the preamble sequentially according to the preamble in the uplink data transmission, the time and frequency resource for transmitting the preamble in the uplink data transmission, and a correspondence relationship between preambles and time and frequency resource groups for transmitting the preambles, and modulation and coding scheme groups, and to determine a modulation and coding scheme with which the uplink data is decoded and demodulated successfully as the modulation and coding scheme of uplink data. ### Claim at position 29 29-32. (canceled)