Devices for multi-group communications

• US 9,148,906 B2
• Filed: 08/07/2014
• Issued: 09/29/2015
• Est. Priority Date: 04/08/2011
• Status: Active Grant

• Current Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Original Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Inventors: Yamada, Shohei
• Primary Examiner(s): Ton, Dang
• Assistant Examiner(s): AMBAYE, MEWALE A
• Application Number:
  US14/454,456
• Publication Number:
  US 20140349713A1
• Time in Patent Office: 418 Days
• Field of Search: 370/248
• US Class Current: 1/1
• CPC Class Codes: H04L 1/0026 Transmission of channel quality indication
• CPC Class Codes: H04L 1/0618 Space-time coding
• CPC Class Codes: H04L 1/1671 the supervisory signal being transmitted together with control information
• CPC Class Codes: H04L 1/1861 Physical mapping arrangements for ACK signaling see also H04L5/0053
• CPC Class Codes: H04L 12/189 in combination with wireless systems selective distribution or broadcast in wireless communication networks H04W4/06
• CPC Class Codes: H04L 5/001 the frequencies being arranged in component carriers
• CPC Class Codes: H04W 56/0045 compensating for timing error by altering transmission time
• CPC Class Codes: H04W 72/21 in the uplink direction of a wireless link, i.e. towards the network
• CPC Class Codes: H04W 74/0833 Random access procedures, e.g. with 4-step access
• CPC Class Codes: H04W 76/40 for selective distribution or broadcast
• CPC Class Codes: H04W 84/042 Public Land Mobile systems, e.g. cellular systems
• CPC Class Codes: H04W 88/02 Terminal devices
• CPC Class Codes: H04W 88/06 adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
• CPC Class Codes: H04W 88/08 Access point devices

Abstract

A User Equipment (UE) configured for multi-group communications is described. The UE includes a processor and instructions stored in memory that is in electronic communication with the processor. The UE detects a plurality of cells. The UE also determines to use multiple groups of one or more cells. The UE further determines a primary secondary cell (PSCell) for a non-primary cell (non-PCell) group based on UE-specific radio resource control (RRC) signaling. The UE additionally receives information using the multiple groups.

Claims

1. A User Equipment (UE), comprising:

a processing circuitry configured and/or programmed to use multiple groups of one or more serving cells, one of the multiple groups being a primary cell group, the primary cell group containing at least a primary cell, wherein either the primary cell or a secondary cell is applied as a path loss reference for a path loss measurement for the secondary cell in the primary cell group, the primary cell not used as a path loss reference for a path loss measurement for a secondary cell in each of one or more non-primary cell groups, the each of one or more non-primary cell groups being different from the primary cell group.

2. An evolved Node B (eNB), comprising:

a processing circuitry configured and/or programmed to receive an uplink signal from multiple groups of one or more serving cells, one of the multiple groups being a primary cell group, the primary cell group containing at least a primary cell, wherein either the primary cell or a secondary cell is applied as a path loss reference for a path loss measurement for the secondary cell in the primary cell group, the primary cell not used as a path loss reference for a path loss measurement for a secondary cell in each of one or more non-primary cell groups, the each of one or more non-primary cell groups being different from the primary cell group.

3. A processing method performed in a User Equipment (UE), comprising:

using multiple groups of one or more serving cells, one of the multiple groups being a primary cell group, the primary cell group containing at least a primary cell, wherein either the primary cell or a secondary cell is applied as a path loss reference for a path loss measurement for the secondary cell in the primary cell group, the primary cell not used as a path loss reference for a path loss measurement for a secondary cell in each of one or more non-primary cell groups, the each of one or more non-primary cell groups being different from the primary cell group.

4. A processing method performed in an evolved Node B (eNB), comprising:

receiving an uplink signal from multiple groups of one or more serving cells, one of the multiple groups being a primary cell group, the primary cell group containing at least a primary cell, wherein either the primary cell or a secondary cell is applied as a path loss reference for a path loss measurement for the secondary cell in the primary cell group, the primary cell not used as a path loss reference for a path loss measurement for a secondary cell in each of one or more non-primary cell groups, the each of one or more non-primary cell groups being different from the primary cell group.