Nokia Solutions and Networks Oy

Nokia Siemens Networks Oy

Zoltan Vincze

Csaba Vulkan

Arpad Drozdy

Peter Szilagyi

Attila Rakos

A method for coordinated multipoint transmission includes collecting, in a serving CoMP-MA, channel state information, CSIs, reported by terminals served by eNBs within a cooperating set. The serving CoMP-MA selects dominant interferers as candidate transmitting eNBs for a terminal. CoMP joint transmission is initiated by forwarding, to the candidate transmitting eNBs, PDCP PDUs received from SGW and targeted to the selected terminal, and by setting the status of the terminal to joint transmission. High and low thresholds of PDCP buffers of the serving CoMP-MA are adjusted. As information required for air interface scheduling becomes available, the method includes extracting, in the serving CoMP-MA, radio resource allocations, RLC and MAC headers, references to user plane data, and precoding matrices from protocol entities, and forwarding them to the transmitting eNBs that have acknowledged PDCP PDUs, in order the transmitting CoMP-MA to prepare air interface for the terminal.

Coordinated multipoint joint transmission with relaxed backhaul requirements

The present invention provides a method, apparatus and a computer program product for improving TCP performance in mobile networks. The present invention discloses obtaining, at an intermediate network node, a quality measure of a connection between a content server and a user equipment, detecting, at the intermediate network node, whether the quality measure fulfils a predetermined condition, and, if the quality measure does not fulfill the predetermined condition, sending, by the intermediate network node, an acknowledgement message triggering a freeze mode of the connection between the content server and the user equipment.

Method and apparatus to improve TCP performance in mobile networks

The present invention provides a method, apparatus, gateway and a computer program product for reducing overhead on voice traffic within a packet based communication system. The present invention discloses collecting a plurality of packets to be multiplexed in an aggregated frame, measuring a number of received packets within a predetermined time period, and, if the number of received packets reaches a predetermined value, sending the aggregated frame including the collected packets.

Growing community of inventors

Kormend, Hungary

Zoltan Vincze