US 12,395,886 B2
Methods and apparatus for transmitting radio data over a fronthaul network
Eduardo Medeiros, Stockholm (SE); Igor Almeida, Indaiatuba SP (BR); André Mendes Cavalcante, Indaiatuba SP (BR); and Elmar Trojer, Stockholm (SE)
Assigned to Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Appl. No. 17/423,806
Filed by Telefonaktiebolaget LM Ericsson (PUBL), Stockholm (SE)
PCT Filed Jan. 21, 2019, PCT No. PCT/EP2019/051367
§ 371(c)(1), (2) Date Jul. 16, 2021,
PCT Pub. No. WO2020/151800, PCT Pub. Date Jul. 30, 2020.
Prior Publication US 2022/0110017 A1, Apr. 7, 2022
Int. Cl. H04W 28/02 (2009.01); H04L 69/08 (2022.01)
CPC H04W 28/0289 (2013.01) [H04L 69/08 (2013.01); H04W 28/0284 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method in a node in a fronthaul network of a radio network, the method comprising:
receiving radio data for transmission over the fronthaul network; and
translating the radio data between a time domain multiplexing protocol and packet based protocol before transmitting the data over the fronthaul network, wherein the packet based protocol comprises an evolved Common Public Radio Interface (eCPRI) protocol, wherein the time domain multiplexing protocol comprises a Common Public Radio Interface (CPRI) protocol, and wherein a traffic of the eCPRI protocol and a traffic of the CPRI protocol co-exists on the fronthaul network;
wherein the step of translating comprises:
receiving control information indicative of a level of congestion over a part of the radio network using the packet based protocol; and
modifying the radio data during the step of translating to control the level of congestion, wherein the modifying the radio data comprises delaying transmission of the radio data to another node to allow for load adaptation actions to occur based on user plane information.