# US 10,122,519 B2 · Method and apparatus for transceiving data using plurality of carriers in mobile communication system

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- Number: US 10,122,519 B2
- Document ID: US10122519B2
- Status: Granted
- Kind: B2
- Application number: 15/259,888
- Filed: 2016-09-08
- Published: 2017-01-05
- Granted: 2018-11-06
- Earliest claimed: 2012-05-09
- Assignees: Samsung Electronics Co., Ltd.
- Applicants: Samsung Electronics Co., Ltd.
- Inventors: Soeng Hun Kim; Gert Jan Van Lieshout; Jae Hyuk Jang; JongSoo Choi
- Web page: https://patentgrep.com/patent/US10122519B2

## CPC

- H04L 5/0098: {Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands}
- H04L 5/0032: {Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation}
- H04W 4/18: Information format or content conversion, e.g. adaptation by the network of the transmitted or received information for the purpose of wireless delivery to users or terminals
- H04W 24/02: Arrangements for optimising operational condition
- H04W 52/0216: {using a pre-established activity schedule, e.g. traffic indication frame}
- H04W 52/0241: {where no transmission is received, e.g. out of range of the transmitter}
- H04W 56/0005: {synchronizing of arrival of multiple uplinks}
- H04W 56/0045: {compensating for timing error by altering transmission time}
- H04W 72/042
- H04W 72/0426
- H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA
- H04W 76/022
- H04W 76/025
- H04W 76/048
- Y02B 60/50
- Y02D 70/1264
- 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)
- Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE

## Abstract

The present specification relates to a communication method and apparatus. The communication method for a base station (P-ENB) that controls a primary cell (PCell) of user equipment (UE) according to one embodiment of the present specification comprises the steps of: receiving a packet from a serving gateway through a non-primary (NP)-evolved packet system (EPS) bearer for a serving cell of a non-P-ENB base station (NP-ENB); generating a first radio link control packet data unit (RLC PDU) using the received packet; and transmitting the generated first RLC PDU to the NP-ENB.

## Claims

### Claim 1

A method by a first node, the method comprises:
transmitting, to a terminal, a message for configuring a first bearer with a second node;
receiving a first packet;
generating a packet data convergence protocol (PDCP) protocol data unit (PDU), from the first packet, with a PDCP header by a first PDCP entity of the first node; and
transmitting the PDCP PDU to the second node using the first bearer based on a GPRS Tunnel Protocol (GTP), the first bearer being configured for transmitting downlink data between the first PDCP entity of the first node and a radio link control (RLC) entity of the second node.

### Claim 2 (depends on 1)

The method of claim 1, wherein the PDCP PDU is transmitted from the second node to the terminal.

### Claim 3 (depends on 1)

The method of claim 1, wherein the PDCP PDU is transmitted to the RLC entity of the second node via an X2 interface between the first node and the second node.

### Claim 4 (depends on 1)

The method of claim 1, wherein the RLC entity of the second node performs at least transmission function.

### Claim 5 (depends on 1)

The method of claim 1, further comprises:
receiving an uplink data based on the GTP from the RLC entity of the second node.

### Claim 6 (depends on 1)

The method of claim 1, further comprises:
receiving a second packet;
generating a PDCP PDU from the second packet by a second PDCP entity of the first node; and
transmitting the PDCP PDU to the terminal using a second bearer including the second PDCP entity and a second RLC entity of the first node.

### Claim 7 (depends on 1)

The method of claim 1, wherein the first bearer is further configured for transmitting uplink data between the first PDCP entity of the first node and a first RLC entity of the first node if the uplink data is received from the terminal.

### Claim 8 (depends on 7)

The method of claim 7, wherein the first RLC entity of the first node performs at least a reception function.

### Claim 9

A method by a second node, the method comprises:
receiving, from a first node, a message for configuring a bearer with a terminal;
receiving, by a radio link control (RLC) entity, a packet data convergence protocol (PDCP) protocol data unit (PDU) with a PDCP header from a PDCP entity of the first node using the bearer based on a GPRS Tunnel Protocol (GTP), the bearer being configured for transmitting downlink data between the PDCP entity of the first node and the RLC entity of a second node; and
transmitting the PDCP PDU to the terminal.

### Claim 10 (depends on 9)

The method of claim 9, wherein the PDCP PDU is received from the first node via an X2 interface between the first node and the second node.

### Claim 11 (depends on 9)

The method of claim 9, further comprises:
receiving an uplink data from the terminal; and
transmitting the uplink data based on the GTP from the RLC entity of the second node to the first node.

### Claim 12 (depends on 9)

The method of claim 9,
wherein the RLC entity of the second node performs at least transmission function.

### Claim 13 (depends on 9)

The method of claim 9, wherein the bearer is further configured for transmitting uplink data between the first PDCP entity of the first node and an RLC entity of the first node if the uplink data is received from the terminal.

### Claim 14

A method by a terminal, the method comprises:
receiving, from a first node, a message for configuring a second node and configuring a bearer based on a GPRS Tunnel Protocol (GTP), the bearer being for receiving downlink data between a first packet data convergence protocol (PDCP) entity of the first node and a second radio link control (RLC) entity of the second node and being for transmitting uplink data between the PDCP entity and a RLC entity of the first node;
determining a node among the first node and the second node for transmitting an uplink data; and
transmitting the uplink data to the determined node,
wherein an RLC entity is respectively included in the first node and the second node, and
wherein a downlink PDCP protocol data unit (PDU) with a PDCP header is transmitted from the first PDCP entity of the first node to the second RLC entity of the second node.

### Claim 15

A first node comprises:
a transceiver configured to transmit and receive a signal; and
at least one processor coupled with the transceiver and configured to:
control the transceiver to transmit, to a terminal, a message for configuring a first bearer with a second node,
control the transceiver to receive a first packet, generate a packet data convergence protocol (PDCP) protocol data unit (PDU), from the first packet with a PDCP header by a first PDCP entity of the first node, and
control the transceiver to transmit the PDCP PDU to the second node using the first bearer based on a GPRS Tunnel Protocol (GTP), the first bearer being configured for transmitting downlink data between the first PDCP entity of the first node and a radio link control (RLC) entity of the second node.

### Claim 16 (depends on 15)

The first node of claim 15, wherein the PDCP PDU is transmitted from the second node to the terminal.

### Claim 17 (depends on 15)

The first node of claim 15, wherein the PDCP PDU is transmitted to the RLC entity of the second node via an X2 interface between the first node and the second node.

### Claim 18 (depends on 15)

The first node of claim 15, wherein the RLC entity of the second node performs at least transmission function.

### Claim 19 (depends on 15)

The first node of claim 15, wherein the at least one processor is further configured to control the transceiver to receive an uplink data based on the GTP from the RLC entity of the second node.

### Claim 20 (depends on 15)

The first node of claim 15, wherein the at least one processor further configured to:
control the transceiver to receive a second packet,
generate a PDCP PDU from the second packet by a second PDCP entity of the first node, and
control the transceiver to transmit the PDCP PDU to the terminal using a second bearer including the second PDCP entity and a second RLC entity of the first node.

### Claim 21 (depends on 15)

The first node of claim 15, wherein the first bearer is further configured for transmitting uplink data between the first PDCP entity of the first node and a first RLC entity of the first node if the uplink data is received from the terminal.

### Claim 22 (depends on 21)

The first node of claim 21, wherein the first RLC entity of the first node performs at least a reception function.

### Claim 23

A second node comprises:
a transceiver configured to transmit and receive a signal; and
at least one processor coupled with the transceiver and configured to control the transceiver to:
receive, from a first node, a message for configuring a bearer with a terminal,
receive, by a radio link control (RLC) entity, a packet data convergence protocol (PDCP) protocol data unit (PDU) with a PDCP header from a PDCP entity of the first node using the bearer based on a GPRS Tunnel Protocol (GTP), the bearer being configured for transmitting downlink data between the PDCP entity of the first node and the RLC entity of the second node, and
transmit the PDCP PDU to the terminal.

### Claim 24 (depends on 23)

The second node of claim 23, wherein the PDCP PDU is received from the first node via an X2 interface between the first node and the second node.

### Claim 25 (depends on 23)

The second node of claim 23, wherein the at least one processor is further configured to control the transceiver to:
receive an uplink data from the terminal, and
transmit the uplink data based on the GTP from the RLC entity of the second node to the first node.

### Claim 26 (depends on 23)

The second node of claim 23, wherein the RLC entity of the second node performs at least transmission function.

### Claim 27 (depends on 23)

The second node of claim 23, wherein the bearer is further configured for transmitting uplink data between the first PDCP entity of the first node and an RLC entity of the first node if the uplink data is received from the terminal.

### Claim 28

A terminal comprises:
a transceiver configured to transmit and receive a signal; and
at least one processor coupled with the transceiver and configured to:
control the transceiver to receive, from a first node, a message for configuring a second node and configure a bearer based on a GPRS Tunnel Protocol (GTP), the bearer being for receiving downlink data between a first packet data convergence protocol (PDCP) entity of the first node and a second radio link control (RLC) entity of the second node and being for transmitting uplink data between the PDCP entity and a RLC entity of the first node,
determine a node among the first node and the second node for transmitting an uplink data, and
control the transceiver to transmit the uplink data to the determined node,
wherein an RLC entity is respectively included in the first node and the second node, and
wherein a downlink PDCP protocol data unit (PDU) with a PDCP header is transmitted from the first PDCP entity of the first node to the second RLC entity of the second node.
