# US 2023/0053534 A1 · Cellular Network Broadcasting

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 2023/0053534 A1
- Document ID: US20230053534A1
- Status: Published application
- Kind: A1
- Application number: 17/796,986
- Filed: 2021-02-02
- Published: 2023-02-23
- Earliest claimed: 2020-02-04
- Assignees: Institut Fur Rundfunktechnik GmbH
- Applicants: Institut Fur Rundfunktechnik GMBH
- Inventors: Christian Menzel; Jordi Joan Gimenez Gandia
- Web page: https://patentgrep.com/patent/US20230053534A1

## CPC

- H04L 1/0071: {Use of interleaving (interleaving per se H03M13/27)}
- H04L 1/0061: {Error detection codes}
- H04W 28/065: {using assembly or disassembly of packets}
- H04W 80/02: Data link layer protocols
- 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

Provided is a method and a system for broadcasting data in a cellular network which assigns the data to a plurality of Packet Data Convergence Protocol, PDCP, Protocol Data Units, PDUs, assigns the PDCP PDUs to a Radio Link Control, RLC, Service Data Unit, SDU, interleaves segments of the RLC SDU and assigns the interleaved segments to a plurality of Medium Access Control, MAC, SDUs.

## Claims

### Claim 1

A method for broadcasting data in a cellular network, the method comprising:
assigning the data to a plurality of Packet Data Convergence Protocol, PDCP, Protocol Data Units, PDUs;
assigning the PDCP PDUs to a Radio Link Control, RLC, Service Data Unit, SDU;
interleaving segments of the RLC SDU; and
assigning the interleaved segments to a plurality of Medium Access Control, MAC, SDUs.

### Claim 2 (depends on 1)

The method of claim 1, wherein
the data assigned to the PDCP PDUs is error coded; or
assigning the PDCP PDUs to the RLC SDU includes
error coding the PDCP PDUs or
error coding an RLC PDU comprising the RLC SDU.

### Claim 3 (depends on 1)

The method of claim 1, wherein the RLC SDU is comprised in an RLC PDU with a length of 15000 bytes or more.

### Claim 4 (depends on 1)

The method of claim 1, wherein a/the length of the RLC PDU is n times a length of one MAC SDU with n being a positive integer.

### Claim 5 (depends on 1)

The method of claim 1, further comprising:
transmitting MAC PDUs that carry segments of different RLC SDUs alternatingly.

### Claim 6 (depends on 5)

The method of claim 5, wherein a single frame comprises only one of said MAC PDUs that carry segments of different RLC SDUs.

### Claim 7 (depends on 1)

The method of claim 1, wherein a single frame comprises MAC PDUs that carry segments of different RLC SDUs.

### Claim 8 (depends on 1)

The method of claim 1, wherein the cellular network is a 3G, a 4G, or a 5G network.

### Claim 9

A system for broadcasting data over a cellular network, the system being configured to:
assign the data to Service Data Units, SDUs, of a plurality of Packet Data Convergence Protocol, PDCP, Protocol Data Units, PDUs;
assign the PDCP PDUs to a Radio Link Control, RLC, SDU;
interleave segments of the RLC SDU; and
assign the interleaved segments to Medium Access Control, MAC, SDUs.

### Claim 10 (depends on 9)

The system of claim 9, wherein the data assigned to the PDCP PDUs is error coded or assigning the PDCP PDUs to the RLC SDU includes error coding the PDCP PDUs or error coding an RLC PDU comprising the RLC SDU.

### Claim 11 (depends on 9)

The system of claim 9, wherein the RLC SDU is comprised in an RLC PDU having a length of 15000 bytes or more.

### Claim 12 (depends on 9)

The system of claim 9, wherein a length of the RLC PDU is n times a length of a MAC SDU with n being a positive integer.

### Claim 13 (depends on 9)

The system of claim 9, wherein the system is configured to:
alternatingly transmit MAC PDUs which carry segments of different RLC SDUs.

### Claim 14 (depends on 13)

The system of claim 13, wherein only one MAC PDU which carries segments of different RLC SDUs is transmitted within a single frame.

### Claim 15 (depends on 9)

The system of claim 9, wherein the system is configured to:
transmit MAC PDUs which carry segments of different RLC SDUs in a single frame.