公开(公告)号：US20240120979A1

公开(公告)日：2024-04-11

申请号：US18274729

申请日：2022-02-03

Applicant: INSTITUT MINES TELECOM

Inventor： Ghaya REKAYA BEN-OTHMAN ,  Aymen ASKRI ,  Chao ZHANG

IPC: H04B7/06 ,  H04B17/336

CPC classification number: H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B17/336

Abstract: A priority-resource-limited CoMP scheme is proposed based on a coordination priority index of users which comes into play to perform cooperation set selection and resource allocation in small cell networks. The CoMP control unit (CCU) configures and then transmits to the donor (serving) Transmission/Reception Point (TRP) the coordination priority index which is determined as a function of the required Bit Rate for that specific User Equipment and the SINR or the CQI. The donor Transmission/Reception Point (TRP) then transmits the coordination priority indexes sent by the CCU to the corresponding User Equipment (UE)s. The configuration of the coordination priority index allows the User Equipment to select a subset of Channel State Information reports or Channel State Information quantities to report so that the threshold index of the coordination priority is met.

公开(公告)号：US20240106498A1

公开(公告)日：2024-03-28

申请号：US18274233

申请日：2022-02-03

Applicant: INSTITUT MINES TELECOM

Inventor： Ghaya REKAYA BEN-OTHMAN ,  Chao ZHANG ,  Aymen ASKRI

IPC: H04B7/024 ,  H04B7/0456

CPC classification number: H04B7/024 ,  H04B7/0456

Abstract: A communication system having to an open radio access network architecture, the communication system includes a number (K) of user equipments configured to exchange messages through the communication system, the communication system comprising one or more radio unit and a distributed unit, each radio unit being connected to the distributed unit through a fronthaul link having a given capacity. The communication system comprises a coordination system being configured to coordinate the exchanges between the radio units of the system and the distributed unit, in response to a signal received by the radio units from a user equipment. The coordination system is configured to send a signalling message to each radio unit comprising data stream selection information, each radio unit comprising: a transformation unit configured to apply a transformation operation to the signal vector received by the radio unit, which provides a transformed vector, the transformation operation being defined to reduce the dimension of the received signal vector; a data stream selection unit configured to select a number of data streams corresponding to components of the transformed vector using the data stream selection information comprised in the signalling message, a quantizer configured to apply a quantization operation to the selected data streams, which provides quantized vectors, the radio unit being configured to send the quantized vectors to the distributed unit. The sum of the numbers of data streams selected at the radio units, over all the radio units of the communication system, is higher or equal to the product of the number of user equipments (K) and the number of antennas of a user equipment.