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US 2014/0153390 A1Published application
Enhanced local access in mobile communications
AssigneeNtt Docomo, Inc.
InventorsHiroyuki Ishii, Sean A. Ramprashad, Sayandev Mukherjee
Life of this patent
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Abstract
A hybrid user equipment and advanced user equipment data offloading architecture is provided. In this hybrid architecture, the advanced user equipment includes a backhaul link to a telecommunication network and/or the Internet. The user equipment can send and receive data through the advanced user equipment using the backhaul link.
Claims37
An advanced user equipment for offloading data traffic in a cellular telecommunications system, comprising:
- a-macro-base-station-to-the-advanced-user-equipment (Macro2D) communication section configured to receive a first control-plane message from a base station over a wireless Macro2D communication link;
- a user-equipment-to-the-advanced-user-equipment (D2D) communication section configured to transmit user-plane data to a user equipment over a wireless D2D communication link established responsive to the first control-plane message;
- and
- a backhaul communication section configured to receive the user-plane traffic data from a server over a backhaul link.
1 more element
A mobile station (user equipment) configured to receive offloaded data from an advanced user equipment in a cellular telecommunication system, comprising:
- a macro-base-station-to-the-user-equipment (Macro2D) communication section configured to receive both control-plane data and first user-plane data from the base station over a wireless Macro2D communication link;
- and
- an advanced-user-device-to-the-user-equipment (D2D) communication section configured to receive second user-plane data from a server through the advanced user device using a wireless D2D communication link, wherein the Macro2D communication section is further configured to receive a first control-plane message from the base station over the Macro2D communication link, and wherein the D2D communication section is further configured to establish the D2D communication link responsive to the first control-plane message.
A macro base station for controlling a user equipment (UE) and an advanced user equipment (UE-A) in a cellular telecommunications network, comprising:
- a macro-base-station-to-the-UE-and-to-the-UE-A (Macro2D) communication section configured to exchange user-plane and control-plane data with the UE using a first wireless Macro2D communication link and to exchange control-plane data with the UE-A using a second wireless Macro2D communication link;
- and
- a control unit configured to control an establishment and also a release/reconfiguration/handover of a UE-to-UE-A (D2D) communication link through a first control-plane message transmitted to at least one of the UE and the UE-A using the respective one of the Macro2D communication links, wherein the control unit is further configured to identify user-plane data to be exchanged between the UE and the UE-A using the D2D communication link.
A method of communicating using an advanced user equipment in a cellular telecommunication system, comprising:
- at the advanced user equipment, receiving a first control-plane message from a base station over a macro-base-station-to-the-advanced-user-equipment (Macro2D) communication link;
- at the advanced user equipment, establishing a user-equipment-to-the-advanced-user-equipment (D2D) communication link responsive to the first control-plane message;
- at the advanced user equipment, receiving downlink user-plane data from a server over a backhaul link;
- and
- from the advanced user equipment, transmitting the downlink user-plane data over the D2D communication link.
2 more elements
A method of communicating using a user equipment in a cellular telecommunication system, comprising:
- at the user equipment, receiving a first control-plane message from a base station over a macro-base-station-to-the-user-equipment (Macro2D) communication link;
- at the user equipment, establishing an advanced-user-equipment-to-the-user-equipment (D2D) communication link responsive to the first control-plane message;
- at the user equipment, receiving downlink user-plane data from the advanced user equipment over the D2D communication link.
A method of communicating using a macro base station for controlling a user equipment (UE) and an advanced user equipment (UE-A) in a cellular telecommunication system, comprising:
- at the macro base station, exchanging user-plane data and control-plane message with the UE using a first wireless macro-base-station-to-the-UE-and-to-the-UE-A (Macro2D) communication link and exchanging control-plane message with the UE-A using a second wireless Macro2D communication link;
- at the macro base station, controlling an establishment and also a release/reconfiguration/handover of a UE-to-UE-A (D2D) communication link through a first control-plane message transmitted to at least one of the UE and the UE-A using the respective one of the Macro2D communication links;
- and
- at the macro base station, identifying user-plane data to be exchanged between the UE and the UE-A using the D2D communication link.
1 more element
An advanced user equipment for offloading data traffic in a cellular telecommunications system, comprising:
- a-macro-base-station-to-the-advanced-user-equipment (Macro2D) communication section configured to receive a first control-plane message and a second control-plane message from a base station over a wireless Macro2D communication link;
- a user-equipment-to-the-advanced-user-equipment (D2D) communication section configured to establish a wireless D2D communication link with the user equipment responsive to the first control-plane message, wherein the D2D communication section is further configured to transmit at least one pilot signal to the user equipment responsive to the second control-plane message and to exchange user-plane data with the user equipment over the D2D communication link;
- and
- a backhaul communication section configured to exchange the user-plane data with a server using a backhaul link.
1 more element
A mobile station (user equipment) configured to receive offloaded data from an advanced user equipment in a cellular telecommunication system, comprising:
- a macro-base-station-to-the-user-equipment (Macro2D) communication section configured to receive both control-plane message and first user-plane data from the base station over a wireless Macro2D communication link;
- and
- an advanced-user-device-to-the-user-equipment (D2D) communication section configured to receive second user-plane data from a server through the advanced user device using a wireless D2D communication link, wherein the Macro2D communication section is further configured to receive a first control-plane message from the base station over the Macro2D communication link, and wherein the D2D communication section is further configured to establish the D2D communication link responsive to the first control-plane message, and wherein the D2D communication section is further configured to receive at least one pilot signal from the advanced user equipment over the D2D communication link and to measure a radio link quality for the D2D communication link using the received at least one pilot signal, and wherein the Macro2D communication section is further configured to transmit the radio link quality to the macro base station over the Macro2D communication link.
An advanced user equipment for offloading data traffic in a cellular telecommunications system, comprising:
- a-macro-base-station-to-the-advanced-user-equipment (Macro2D) communication section configured to receive a first control-plane message from a base station over a wireless Macro2D communication link;
- a user-equipment-to-the-advanced-user-equipment (D2D) communication section configured to transmit user-plane data to a user equipment over a wireless D2D communication link established responsive to the first control-plane message;
- and
- a backhaul communication section configured to receive the user-plane data from a network server over a backhaul link;
- wherein
- the D2D communication section further configured to transmit at least one pilot signal over the D2D communication link to the user equipment;
- the Macro2D communication section further configured to receive a second control-plane message from the base station over the Macro2D communication link, wherein the second control-plane message allocates a radio resource and to transmit the user-plane data to the user equipment over the D2D communication link using the allocated radio resource.
4 more elements
An advanced user equipment for offloading data traffic in a cellular telecommunications system, comprising:
- a-macro-base-station-to-the-advanced-user-equipment (Macro2D) communication section configured to receive a first control-plane message from a base station over a wireless Macro2D communication link;
- a user-equipment-to-the-advanced-user-equipment (D2D) communication section configured to transmit user-plane data to a user equipment over a wireless D2D communication link established responsive to the first control-plane message;
- and
- a backhaul communication section configured to receive the user-plane data from a network server over a backhaul link;
- wherein
- the D2D communication section further configured to make measurements for at least one of processing load, usage of radio resources, data rate, path loss in the second link, radio link quality, block error rate, transmitted signal power, received signal power, interference power, and the number of user equipment in the D2D communication link;
- and
- the Macro2D communication section further configure to transmit the measurement results to the macro base station.
5 more elements
A macro base station for controlling a user equipment (UE) and an advanced user equipment (UE-A) in a cellular telecommunications network, comprising:
- a macro-base-station-to-the-UE-and-to-the-UE-A (Macro2D) communication section configured to exchange user-plane data and control-plane message with the UE using a first wireless Macro2D communication link and to exchange control-plane message with the UE-A using a second wireless Macro2D communication link;
- and
- a control unit configured to control an establishment and also a release/reconfiguration/handover of a UE-to-UE-A (D2D) communication link through a first control-plane message transmitted to at least one of the UE and the UE-A using the respective one of the Macro2D communication links, wherein the control unit is further configured to identify user-plane data to be exchanged between the UE and the UE-A using the D2D communication link, and wherein
- the control unit further configured to make measurement for at least one of number of connections, usage of radio resource, data rate, success rate of connection establishment, success rate of handover, number of radio link failures, the number of handovers, and number of connection re-establishments in the D2D communication link.
1 more element
Dependencies are inferred from the claim text.