Patent application number | Description | Published |
20100074189 | Scheduling metric for delay sensitive traffic - Disclosed is a method, a computer-readable memory medium and apparatus to create a combined priority list that comprises both uplink users and downlink users ordered by priority for use in scheduling user transmissions based on their respective priority locations in the combined priority list. In an exemplary embodiment a first set of users are retransmission users, a second set of users are delay sensitive users, and a third set of users are other users that are neither retransmission users or delay sensitive users. The set of retransmission users has a higher priority than the set of delay sensitive users, which in turn has a higher priority than the set of other users. | 03-25-2010 |
20100182939 | CONFIGURATION OF MULTI-PERIODICITY SEMI-PERSISTENT SCHEDULING FOR TIME DIVISION DUPLEX OPERATION IN A PACKET-BASED WIRELESS COMMUNICATION SYSTEM - Systems and methods for determining the periodicity for a multiple periodicity SPS allocation using implicit rules for a TDD communications system are disclosed. A communication terminal such as a UE is provided that may determine the periodicity for a multiple periodicity SPS allocation using implicit rules to calculate a delta value to form a long time period and a shorter time period, forming a periodic pattern where the rules depend on the TDD configuration being used. In another embodiment a communication terminal such as a UE is provided that may determine the periodicity for a multiple periodicity SPS allocation using implicit rules to calculate a delta value to form a long time period and a shorter time period forming a periodic pattern, where the rules depend on the TDD configuration being used and the HARQ process being used. | 07-22-2010 |
20100214972 | METHODS AND APPARATUSES FOR TRANSMITTING DOWNLINK CONTROL SIGNALING ON WIRELESS RELAY LINK - In accordance with an example embodiment of the present invention, a method comprises allocating a control channel resource in a wireless relay transmission frame on a wireless relay link; generating a control signaling based on at least one of a resource allocation scheme, a status of the wireless relay link and a traffic condition of the wireless relay link; mapping the control signaling to the allocated control channel resource via at least one of a time-first mapping, a frequency-first mapping, and a multiplexing mapping; and transmitting the control signaling in the allocated control channel resource on the wireless relay link to at least one associated relay node. | 08-26-2010 |
20100329279 | METHOD AND APPARATUS FOR DATA PROCESSING - A method for data processing is provided, the method comprises: determining the predicted transmission time required by the data packet to be transmitted currently during the transmission course and the residence time for the data packet residing in the buffer; when the sum of the predicted transmission time and the residence time is greater than the predetermined air interface time delay, discarding the data packet. By utilizing the technical scheme of the invention, the discarding time of the data packet is dynamically adjusted, the packet discarding rate is reduced, and the service quality is improved. An apparatus for data processing is also provided. | 12-30-2010 |
20110075684 | Enhanced Control Signaling For Backhaul Link - A method includes composing downlink control information having a format configured to support a presence of a plurality of transport blocks in a single subframe, where the downlink control information comprises, for the plurality of transport blocks, a common resource allocation and modulation/coding scheme field and a single cyclic redundancy check field. The method further includes transmitting the composed downlink control information to a relay node over a wireless link that comprises a backhaul link from the relay node. | 03-31-2011 |
20110141952 | METHOD AND APPARATUS FOR PROVIDING BUNDLED TRANSMISSIONS - An approach for providing bundled transmission is disclosed. A logic allocates a plurality of transmission time intervals (TTIs) of a time duplex division (TDD) transmission scheme as a bundle for supporting transmission of duplicate data over the TTIs. The bundle of TTIs is associated with a plurality of initial hybrid automatic repeat request (HARQ) processes. The logic also maintains one or more of the same initial HARQ processes as unbundled for a predetermined TDD configuration. | 06-16-2011 |
20110269469 | METHOD, APPARATUS AND SYSTEM FOR HANDOVER BETWEEN MULTI-CARRIER CELLS - The present invention relates to the wireless network communication field, and discloses a method for handover between multi-carrier cells to avoid repeated handover decisions caused by delay of the triggering event. The method includes: the source cell receives a measurement report triggered by an event reported by a served User Equipment (UE); and the source cell executs a handover decision according to measurement reports triggered by multiple events after receiving the measurement reports triggered by the multiple events within an estimated interval, and hands over the UE to the corresponding carrier of the corresponding target cell. With the present invention, the resources of the source cell and the target cell may be saved, and the handover efficiency may be improved. | 11-03-2011 |
20110286433 | METHOD, APPARATUS AND SYSTEM FOR HANDOVER BETWEEN MULTI-CARRIER CELLS - The present invention relates to the radio communication field and discloses a method, an apparatus, and a system for handover between multi-carrier cells, so that a user equipment (UE) can be handed over to carriers of different cells on multiple target evolved NodeBs (eNBs). The handover method includes: after performing handover request acknowledge, receiving serial numbers (SNs) of data to be transferred and identifier information of target eNBs of other carriers to which the UE is handed over sent by a source eNB; and transferring scheduling information to the target eNBs of other carriers to which the UE is handed over. | 11-24-2011 |
20120093128 | HANDOVER METHOD, USER EQUIPMENT, AND NETWORK SIDE DEVICE - Embodiments of the present invention disclose a handover method, User Equipment (UE), and a network side device, which can shorten a handover delay of a control plane and an interrupt delay of user plane data. A handover method includes: obtaining, by a UE, a Time Advance (TA) of a target cell before a handover; and obtaining an Uplink Grant (UL Grant) sent by the target cell; and then sending a Handover Complete message to the target cell with the TA on a resource that is corresponding to the UL Grant. | 04-19-2012 |
20120147810 | Flexible Ways to Indicate Downlink/Uplink Backhaul Subframe Configurations in a Relay System - Methods and apparatus, including computer program products, are provided for indicating the configuration of a subframe of a backhaul between a relay node and a base station. In one aspect there is provided a method. The method may include generating an indication of a configuration of a subframe of at least one of an uplink and a downlink of a backhaul and sending the indication to a relay node to configure transmission at the relay node. Related apparatus, systems, methods, and articles are also described. | 06-14-2012 |
20120170505 | Method, Device and System for a Relay to Establish a Connection with a Base Station - A method, a device and a system for a relay to establish a connection with a base station are disclosed. Interface information sent from a serving base station is received. Resource information is obtained from the interface information. The resource information is used to indicate wireless resources used when the relay communications with a non-serving base station. A wireless connection is established with the non-serving base station in the wireless resources indicated by the resource information. | 07-05-2012 |
20120196643 | METHOD FOR CONTROLLING UPLINK POWER OF LONG TERM EVOLUTION SYSTEM, BASE STATION, MOBILE TERMINAL - A method for controlling uplink power of an LTE system, a base station, and a mobile terminal are disclosed according to the embodiments of the present invention. The method includes: obtaining uplink transmit power of each carrier; sending first notification signaling to a base station if a difference between the obtained uplink transmit power of each carrier exceeds a specific threshold; and sending second notification signaling to the base station if a sum of the obtained uplink transmit power of each carrier exceeds a preset threshold. Thresholds are determined according to network conditions, and uplink power of a carrier is adjusted in a balanced way, a bit error rate is reduced and a case that a low-performance carrier is forced to be interrupted is prevented. | 08-02-2012 |
20120207079 | Method and Apparatus for Managing Interference Handling Overhead - Various methods for managing interference handling overhead are provided. One example method includes generating interference overload indication information and causing the interference overload information to be transmitted on a broadcast channel for relay nodes, wherein the transmission via the broadcast channel indicates that the interference overload indication information is for a donor cell. Similar and related example methods and example apparatuses are also provided. Additional example methods and apparatuses are also provided. | 08-16-2012 |
20120236798 | Method and Apparatus for Transmitting Physical Signals - Transmitting physical signals precoded at the physical layer, and transmitting via a physical channel precoded at the physical layer decoding information for use in physical layer decoding of said physical signals; wherein said decoding information is incorporated into one or more data units at a layer higher than the physical layer. Transmitting in a single sub-frame one or more physical reference signals for use in physical layer decoding of a physical channel in a plurality of sub-frames. | 09-20-2012 |
20120300616 | Methods and Apparatuses for Resource Mapping for Multiple Transport Blocks Over Wireless Backhaul Link - In accordance with an example embodiment of the present invention, a method comprises scheduling at a wireless network node one or more resources for an uplink backhaul link of a relay node; and applying a mapping scheme to map at least one buffer content to at least one transport block, wherein the mapping scheme comprises determining a transport block index indicator to identify a mapping between the buffer content and the transport block; inserting the transport block index indicator into a resource grant; and transmitting the resource grant to the relay node on a downlink control channel. | 11-29-2012 |
20130121198 | METHOD, EQUIPMENT FOR SUBMITTING A MEASUREMENT REPORT - A method, relevant equipment and system for determining a User Equipment (UE) or UEs affecting a neighboring cell are disclosed. The method for determining UE or UEs affecting a neighboring cell includes: receiving load information sent by a neighboring cell, where the load information indicates an interfered Physical Resource Block (PRB) of the neighboring cell; determining a UE or UEs that occupy, when scheduling is performed, the interfered PRB; determining UEs located in an Inter-Cell Interference Coordination (ICIC) measurement area corresponding to the neighboring cell; and obtaining an intersection of the UE or UEs that occupy, when scheduling is performed, the interfered PRB and the UE or UEs located in the ICIC measurement area corresponding to the neighboring cell. The technical solution under the present invention enables accurate determining of the UE or UEs that affect the neighboring cell. | 05-16-2013 |
20130137364 | Method and Apparatus for Reducing Interference - A method includes receiving information relating to interference between a relay node associated with a first base station and at least one other relay node associated with a second base station. The method also includes initiating modifying transmitting parameters of the relay node and/or the at least one other relay node on the basis of the information. | 05-30-2013 |
20130137454 | Positioning Enhancement Systems and Methods - Systems and methods are disclosed to provide positioning enhancement to wireless systems to determine UE positioning using UE measurements. A method implemented by a UE for enabling positioning calculation includes receiving a Signal to Interference plus Noise Ratio (SINR) threshold from a network for filtering positioning measurements and performing a plurality of positioning measurements. The method also includes removing from the positioning measurements each measurement that does not meet the SINR threshold, and sending remaining positioning measurements that meet the SINR threshold to the network. Another method implemented by a network component includes receiving a plurality of positioning measurements with a plurality of corresponding SINRs from a user device and removing from the positioning measurements each measurement with a corresponding SINR that is less than or equal to a pre-determined SINR threshold. The remaining positioning measurements with corresponding SINRs greater than the SINR threshold are then used for positioning calculation. | 05-30-2013 |
20130223296 | METHOD AND APPARATUS FOR REBALANCING THE SIZES OF THE DOWNLINK (DL) ASSOCIATION SETS FOR COMPONENT CARRIERS HAVING DIFFERENT TIME DIVISION DUPLEX SUBFRAME CONFIGURATIONS - Methods, apparatus and computer program products are provided for rebalancing the sizes of downlink (DL) association sets for component carriers having different time division duplex subframe configurations. A method is provided that includes determining DL subframes that are included in a DL association set for each of a plurality of component carriers. In an instance in which the number of acknowledgement (ACK)/negative acknowledgement (NACK) bits corresponding to the DL subframes included in the DL association sets for respective component carriers differ by at least a predetermined amount, the method modifies the number of ACK/NACK bits corresponding to the DL subframes that are included in the DL association sets for each of the respective component carriers. The method may also cause transmission of the ACK/NACK bits in accordance with the DL association sets, as modified, via the respective component carriers. Corresponding apparatus and computer program products are also provided. | 08-29-2013 |
20130265934 | RELAY CONTROL CHANNEL SEARCH SPACE CONFIGURATION - A method, apparatus, and computer-readable medium are provided for implementing a control channel on a backhaul link of a relay system. The method can include, for example, hybrid time division multiplexing and frequency division multiplexing a relay-physical downlink control channel and relay-physical downlink shared channel of a backhaul link for a relay node as a hybrid multiplexed set of symbols. The relay-physical downlink control channel can include a semi-statically configured searching space to be searched by the relay node. The method can also include transmitting the hybrid multiplexed set of symbols to the relay node. | 10-10-2013 |
20130286907 | SHORTENED SUBFRAME FORMAT FOR FDD - A method includes determining one of a multiplicity of subframes in a resource space in which a shortened subframe is to be communicated. Each of the subframes has a predetermined number of symbol positions. The resource space includes the multiplicity of subframes. The method includes communicating the shortened subframe in the determined subframe. The shortened subframe has a multiplicity of active symbols at first symbol positions in the determined subframe and has a multiplicity of blanked symbols at second symbol positions in the determined subframe. In an embodiment, each of the subframes is a first subframe carried on subcarrier. The resource space corresponds to a special subframe in a frame including the special subframe and a multiplicity of second subframes. The special subframe and the plurality of second subframes are located in different timeslots. Apparatus, computer programs, and program products are also disclosed. | 10-31-2013 |
20130336156 | Operating A Wireless System in an Unlicensed Band - A network access node identifies a component carrier within an unlicensed radio spectrum, determines whether or not to configure the component carrier for use as a secondary component carrier, and based on the determining configures the component carrier for use as a secondary component carrier companion to a primary component carrier within a licensed radio spectrum, In various non-limiting embodiments the network node senses the component carrier within the unlicensed radio spectrum, and as more data is needed to make the determination employs a mobile device to also sense and further to measure the component carrier within the unlicensed radio spectrum. Specific procedures are detailed for both the network node and the mobile device. | 12-19-2013 |
20130336177 | DYNAMIC UPLINK/DOWNLINK CONFIGURATION FOR TIME DIVISION DUPLEX - A method and apparatus which allows dynamic TDD UL/DL configuration that is able to adapt to an instantaneous traffic situation. The values of at least one uplink/downlink configuration indication bit in a predetermined region in a received downlink time division duplex subframe of wireless data transmission are examined. A time division duplex uplink/downlink configuration for a predetermined configuration period is determined based on the examined values. | 12-19-2013 |
20130343356 | METHOD AND APPARATUS FOR CONFIGURATION OF SPECIAL SUBFRAME PATTERN CONFIGURATION - A method is provided for configuration of a special subframe pattern configuration. The method may include determining a configuration of a primary special subframe pattern configuration. The first special subframe configuration may have a corresponding secondary special subframe pattern configuration for multiplexing with the primary special subframe pattern configuration. The method may further include, responsive to a downlink assignment following the configuration of the primary special subframe pattern configuration, using the secondary special subframe pattern configuration instead of the primary special subframe pattern configuration. A corresponding apparatus and computer program product are also provided. | 12-26-2013 |
20140003305 | METHOD AND APPARATUS FOR REBALANCING THE SIZES OF THE DOWNLINK (DL) ASSOCIATION SETS FOR COMPONENT CARRIERS HAVING DIFFERENT TIME DIVISION DUPLEX SUBFRAME CONFIGURATIONS | 01-02-2014 |
20140010146 | Methods and Apparatuses For Transmitting Downlink Control Signaling On Wireless Relay Link - In accordance with an example embodiment of the present invention, a method comprises allocating a control channel resource in a wireless relay transmission frame on a wireless relay link; generating a control signaling based on at least one of a resource allocation scheme, a status of the wireless relay link and a traffic condition of the wireless relay link; mapping the control signaling to the allocated control channel resource via at least one of a time-first mapping, a frequency-first mapping, and a multiplexing mapping; and transmitting the control signaling in the allocated control channel resource on the wireless relay link to at least one associated relay node. | 01-09-2014 |
20140016594 | METHOD AND APPARATUS FOR PROVIDING UPLINK FEEDBACK OPTIMIZATION - A method for providing uplink feedback optimization may include determining a set of candidate uplink subframes and corresponding component carriers to transmit uplink feedback, and determining a selected uplink subframe and corresponding component carrier from among the set of candidate uplink subframes based on a feedback delay associated with the set of candidate uplink subframes. A corresponding apparatus and computer program product are also provided. | 01-16-2014 |
20140016623 | Method, Apparatus And Computer Program Product For Triggering The Determination Of A Timing Advance For One Component Carrier Based Upon Another Component Carrier - A method, apparatus and computer program product are provided to facilitate the determination of the timing advances of each of a plurality of component carriers by triggering the determination of the timing advances in response to certain pre-defined events that are indicative of a need for the timing advance to be determined. A method may include determining that a pre-defined event has occurred and triggering a determination of a timing advance for a second component carrier relative to a timing advance of a first component carrier based upon occurrence of the predefined event. In this regard, both the component carriers are concurrently allocated to a mobile terminal. The method may also utilize the timing advance to synchronize communications on the second component carrier between the mobile terminal and a network. A corresponding apparatus and computer program product may also be provided. | 01-16-2014 |
20140029489 | METHOD AND APPARATUS FOR DEFINING HARQ FUNCTIONALITY FOR CELLS HAVING DIFFERENT TIME DIVISION DUPLEX SUBFRAME CONFIGURATIONS - Methods, apparatus and computer program products are provided for defining the HARQ functionality for primary and secondary cells having different TDD UL/DL subframe configurations so as to reduce or eliminate instances in which the feedback is blocked and the UL grant is missed. For example, a method is provided that includes providing for communications via a primary cell and at least one secondary cell in a time division duplex (TDD) network that supports carrier aggregation in accordance with different TDD uplink (UL)/downlink (DL) subframe configurations. In this example, the method also defines at least one of: (i) UL or DL hybrid automatic repeat request (HARQ) timing, (ii) a maximum number of DL HARQ processes, (iii) a number of UL HARQ processes or (iv) an UL HARQ process mapping to be the same for each of the primary and secondary cells having different TDD UL/DL subframe configurations. | 01-30-2014 |
20140036742 | METHOD AND APPARATUS FOR PROVIDING FOR DISCONTINUOUS RECEPTION VIA CELLS HAVING DIFFERENT TIME DIVISION DUPLEX SUBFRAME CONFIGURATIONS - Methods and apparatus are disclosed that facilitate discontinuous reception via a primary cell and one or more secondary cells that have different TDD UL/DL subframe configurations including overlapping subframes, such as in an instance in which a UL subframe of a secondary cell overlaps with a corresponding DL subframe of the primary cell. A method may define an active state of a primary cell to be larger than an active state of a secondary cell in a TDD network that supports carrier aggregation. The method may also provide for discontinuous reception via the primary cell and the secondary cell in accordance with different TDD UL/DL subframe configurations and also in accordance with the respective active states of the primary and secondary cells. | 02-06-2014 |
20140036827 | METHOD AND APPARATUS FOR CONTROLLING TRANSMITTING POWER - The present invention discloses a method and an apparatus for controlling transmitting power and relates to the field of communications. The method includes: setting, according to a transmission state of data transmission using a first access technology, a power reduction value of transmitting power for data transmission using a second access technology; and controlling, according to the power reduction value, transmitting power for data transmission using the second access technology. The apparatus includes: a setting module, configured to set, according to a transmission state of data transmission using a first access technology, a power reduction value for transmitting power for data transmission using a second access technology; and a controlling module, configured to control, according to the power reduction value, the transmitting power for data transmission using the second access technology. | 02-06-2014 |
20140056186 | METHODS, DEVICES AND COMPUTER PROGRAM PRODUCTS FOR INTERFERENCE REDUCTION IN TDD SYSTEMS ALLOWING ALLOCATION OF FLEXIBLE SUBFRAMES FOR UPLINK OR DOWNLINK TRANSMISSION - The present invention proposes methods, devices and computer program products in relation to interference reduction, in particular for control channels in TDD systems allowing allocation of flexible subframes for uplink or downlink transmission. In relation thereto, a format of data transmission in flexible subframes in the uplink and/or downlink is modified. | 02-27-2014 |
20140071922 | METHOD AND APPARATUS FOR CONFIGURING A SOUNDING REFERENCE SIGNAL FOR A SEGMENT CARRIER - Methods, apparatus and computer program products configure a sounding reference signal (SRS) for a segment carrier that serves as a contiguous bandwidth extension of a component carrier, such as a component carrier that is backwards compatible with prior releases of a mobile terminal. In the context of a mobile terminal, the method receives a triggering message that identifies respective configurations of the SRS for the component carrier and the associated segment carrier. The configuration of the SRS for the component carrier is different than the configuration of the SRS for the segment carrier. The method also causes the SRS to be transmitted in accordance with the respective configurations identified by the triggering message via uplink subframes of the component carrier and the segment carrier. | 03-13-2014 |
20140087748 | Methods and Apparatus for Managing Wireless Communication Using Unlicensed Frequency Bands - Systems and techniques for managing the use of industrial-scientific-medical bands for cellular network communication. An apparatus comprises a processing system and a memory storing a set of program instructions. The processing system is configured to cause the apparatus to receive channel information from a UE reporting the control of an industrial-scientific-medical (ISM) band channel by the UE and cause the apparatus to schedule a communication session with the UE over the channel, with the channel being configured and activated as an ISM secondary component carrier (SCC). The apparatus may further request one or more user equipments (UEs) to report their wireless fidelity (WiFi) capability and request user equipments having WiFi capability to compete for the wireless medium and report occupation of the wireless medium in the form of a request to send command, to which the apparatus responds with a clear to send command. | 03-27-2014 |
20140092840 | PHICH RESERVED RESOURCES WITH CC SPECIFIC TDD UL/DL CONFIGURATIONS - If an allocated radio resource in a 2 | 04-03-2014 |
20140098720 | Methods, Devices and Computer Program Products for Interference Reduction in TDD Systems Allowing Allocation of Flexible Subframes for Uplink or Downlink Transmission - Methods, devices and computer program products in relation to interference reduction are presented, in particular for devices comprising a transceiver module configured for TDD operation in a network environment wherein a partition of subframes of channels are configurable to be flexibly assigned for downlink or uplink transmission while other subframes are fixedly configured for either uplink or downlink transmission. Aspects of such devices encompasses a controller module configured to determine those subframes that are flexibly assigned and configured for downlink transmission, identify, among those determined subframes, a subframe carrying a control channel, and restrict physical resources for the control channel in the identified subframe. The invention also addresses corresponding receiving devices and terminals as well as associated methods. | 04-10-2014 |
20140098774 | Flexible Disabling/Enabling of Cross-Carrier Scheduling in Carrier-Aggregated Wireless Data Transmission - The invention allows flexible disabling/enabling of cross-carrier scheduling in carrier-aggregated wireless data transmission. In response to detecting a predetermined disabling indication of cross-carrier scheduling of received carrier aggregated wireless data transmission, the disabling indication targeting subframes allocated to uplink in a first component carrier transmitted from a cross-carrier scheduling cell and to downlink in a second component carrier transmitted from a cross-carrier scheduled cell: a downlink control region in the targeted subframes in the second component carrier is monitored for uplink/downlink grants; and in response to detecting an uplink/downlink grant, the detected uplink/downlink grant is utilized in uplink/downlink scheduling of the targeted subframe in the second component carrier. | 04-10-2014 |
20140122957 | Method, an Apparatus and a Network Element for Dynamical TDD Configuration - A method, an apparatus for wireless communication and a network element for handling the retransmission of a failed packet during the TDD configuration change. The method comprises receiving at least one failed packet in a first TDD configuration; receiving information to change from the first TDD configuration to a second TDD configuration; sending a repeat request for said at least one failed packet; and receiving a retransmission of the failed packets of the first TDD configuration in the second TDD configuration. | 05-01-2014 |
20140140294 | Methods, Devices and Computer Program Products Providing for Improved Random Access in a Local Area Network Environment - The present invention proposes methods in relation to providing for random access in a local area network environment, and encompasses, from an eNB perspective, defining (S | 05-22-2014 |
20140146719 | METHODS, APPARATUSES AND COMPUTER PROGRAM PRODUCTS FOR INTERFERENCE MITIGATION VIA CHANNEL RESERVATION IN LA TDD NETWORK - Apparatuses, methods and computer program products are proposed, by which resource elements in an uplink transmission of a user equipment are determined, on which interference may be caused and which are to be muted in the uplink transmission, and wherein the user equipment is configured to mute resource elements based on the determined resource elements. | 05-29-2014 |
20140148187 | A METHOD FOR OBTAINING A TIMING ADVANCE VALUE - Timing control procedure is needed for uplink transmissions in several communication networks. Some networks and bands have physical and regulatory limitations for obtaining timing advance value in conventional manner. One example of these limitations is disabled downlink channel in TV white spaces. The present invention provides an arrangement for obtaining timing advance value in a situation wherein the use of downlink channel is disabled. | 05-29-2014 |
20140160967 | Interference Control in Time Division Duplex Communication - There are provided measures for interference control in time division duplex communication. Such measures may exemplarily comprise setting up a predefined uplink-downlink configuration of a frame structure for time division duplex communication, said frame structure comprising a predefined number of downlink subframes, deriving measurement groups from the frame structure according to a measurement configuration, said measurement configuration defining a set of all downlink subframes of the frame structure or at least two subsets of the downlink subframes of the frame structure, each of said measurement groups comprising a set of subframes out of the downlink subframes of the frame structure, and performing an interference measurement for the downlink subframes of at least one of the measurement groups. | 06-12-2014 |
20140161001 | Resource Allocation for Flexible TDD Configuration - There is determined a first uplink-downlink configuration for subframes in a frame, which in various examples is fixed or dynamically allocated. A second uplink-downlink configuration is semi-statically allocated such as in system information. When mapping automatic repeat request signaling for a first user equipment which is dynamically allocated an uplink-downlink configuration, at least some downlink subframes mapped by the second uplink-downlink configuration are excluded by the mapping. In one example, UL resources mapped from a first group DL subframes are indexed according to the second configuration, and then UL resources mapped from a second group of DL subframes are indexed according to the first configuration, and the excluded DL subframes are within the first group and excluded from the second group and the automatic repeat request signaling is in an uplink resource mapped from the second group. | 06-12-2014 |
20140161003 | Mechanism for Enhancing Power Control in Time Division Based Communications - There is provided a mechanism for conducting power control in a time division based communication. Subframes of a frame structure of the time division based communication are classified into at two or more classification sets, each classification set comprising at least one subframe. For each of the classification sets, power control related parameters are selected in accordance with the interference on the respective subframes. On the basis of the selected power control related parameters, a power control parameter set is configured defining a power control setting for each subframe of the frame structure. A UE receiving the power control parameter set applies the power control related parameters in the power control. | 06-12-2014 |
20140161034 | CARRIER WITH CONFIGURABLE DOWNLINK CONTROL REGION - A first carrier of a carrier aggregation system has a downlink control region DCR which is selectively enabled and disabled. For the case the DCR of the first carrier is disabled, a DCR of a second carrier is used to cross-schedule a user equipment for radio resources on the first carrier. In various embodiments: the DCR of the first carrier lies within an unlicensed radio frequency band; the DCR of the first carrier is disabled by signaling which reduces to zero a number of symbols reserved for the DCR and is enabled by signaling which increases from zero a number of symbols reserved for the DCR; the signaling is downlink and group-based to a plurality of user equipments. The group-based signaling may be a broadcast system information block or a group RNTI, either of which give frequency information of the DCR and an enabled/disabled status indication. | 06-12-2014 |
20140161082 | SEARCH SPACE FOR COMPONENT CARRIER SPECIFIC UL/DL CONFIGURATION - A radio frame or subframe is checked and it is determined to satisfy at least one predefined condition. In response to that determination, a second search space is utilized such that a number Y of blind detections for a user equipment UE in the determined radio frame/subframe is greater than a number X of blind detections for the UE in the radio frame/subframe if a first search space were utilized. In various embodiments the predefined condition is: the number X of blind detections is less than a threshold value Z (Z>=Y) where Z is a maximum number M of blind detections defined by a transmission mode for the frame's/subframe's component carrier CC; a number of CCs configured for the UE; the radio frame or subframe is in the first CC but not in the second CC one of uplink or a special subframe (further conditions) or an almost blank subframe. | 06-12-2014 |
20140169317 | METHOD AND APPARATUS FOR SWITCHING ANTENNA PORT CONFIGURATIONS - A method and apparatus are provided to provide for timely switching between antenna port configurations as the mode of operation of a mobile terminal changes which may, in turn, dictate different combinations of the MIMO, CoMP and/or CA capabilities. In this regard, a method is provided that includes utilizing one or more antennas in a first antenna port configuration in a first mode of operation. The method may also receive a command that triggers switching to another antenna port configuration and then determines another one of a plurality of antenna port configurations to be utilized in response to the command. The method may then utilize one or more antennas of the another one of the antenna port configurations in a second mode of operation. A corresponding apparatus and computer program product are also provided. | 06-19-2014 |
20140194124 | METHOD, APPARATUS, AND SYSTEM FOR CONTROLLING AND MEASURING CELL HANDOVER - The present invention discloses a method, an apparatus, and a system for controlling and measuring a cell handover, where the method for controlling a cell handover includes: acquiring terminal information; and after a random access request sent by a terminal is received, performing, according to the terminal information, beamforming for a random access response corresponding to the random access request, and sending the random access response to the terminal, where the random access response includes: configuration information of a resource required by the terminal during communication after the terminal hands over from a source cell covered by a source base station to a target cell covered by a target base station. A success rate of performing a cell handover by the terminal is improved in embodiments of the present invention. | 07-10-2014 |
20140220978 | CELL RESELECTION METHOD, DEVICE, AND SYSTEM - Embodiments of the present invention provide a cell reselection method, device, and system, where the method includes: receiving a broadcast message sent in a first cell by a base station, where the broadcast message includes information about a set of second cells; when it is determined, according to the information about the set of the second cells, that a target reselection cell is a second cell, determining, according to second-cell reselection parameter information, time for performing cell reselection; or when it is determined, according to the information about the set of the second cells, that a target reselection cell is not a second cell, determining, according to first-cell reselection parameter information, time for performing cell reselection. | 08-07-2014 |
20140233439 | DOWNLINK-UPLINK CONFIGURATION DETERMINATION - Uplink and downlink traffic for a plurality of user equipments UEs in a cell is differentially weighted according to traffic type, and that weighted traffic total is used to select one uplink-downlink configuration for a radio frame from among A>1 possible uplink-downlink configurations. The weighting may use a priority factor or traffic class identifier that corresponds to the traffic type. In one embodiment the configuration selection is autonomous, and may be made to maximize throughput in the cell or to minimize a number of subframes that overlap with neighbor cells. In another embodiment there is a cooperation; one access node selects multiple candidate configurations which its neighbor cells score for their own acceptability and return the score tables to the original access node, who makes the final selection using the neighbors' score tables. Specific examples are in the context of the E-UTRAN/LTE system. | 08-21-2014 |
20140269456 | Method, an Apparatus and a Computer Program Product for Flexible TDD Configuration - The invention relates to the radio interface between an apparatus for wireless communication and a network element, comprising flexible uplink/downlink configuration for time division duplex. The method comprises detecting a parameter indicating interference in a subframe of a time division duplex configuration; assigning a priority Physical Resource Block set for a flexible subframe; and scheduling the connection for a wireless apparatus according to the priority Physical Resource Block set. | 09-18-2014 |
20140302865 | Flexible Measurements in Unlicensed Band - The specification and drawings present a new method, apparatus and software related product (e.g., a computer readable memory) for implementing enhanced and flexible radio aperiodic measurements, e.g., on an unlicensed band in LTE wireless systems and providing effective and timely reporting. A UE may receive from a wireless network an aperiodic measurement request to measure a special measurement object (e.g., a neighbor cell) specified in the aperiodic measurement request, e.g., in an unlicensed band. In response to the aperiodic measurement request, the UE may perform the measurement of the special management object until a further instruction from the wireless network or for a determined period of time. Inter-frequency measurements may be performed during the measurement gap determined from the aperiodic measurement request. | 10-09-2014 |
20140307694 | Uplink Transmissions and Grants in Extension Carrier - A user equipment UE is configured with an integer value N which defines an effective data rate. The network sends to the UE a grant for uplink transmissions that comprises a resource indication field that allocates N channels each having a same predetermined uplink format and payload capacity. The UE sends N bit sequences on the respective N channels, each bit sequence comprising data and the same predetermined uplink format. In various embodiments: the network specifically configures the UE to receive the predetermined format of the grant; the grant may have an indicator whether the channels are for new data and for the MCS to use; the N channels may be in a same or in adjacent sub frames regardless of the value of N; and there is one MAC header for all the N channels which the network reads as a single MAC PDU. | 10-16-2014 |
20140321336 | Method and Apparatus for Access Point Communications - A method, apparatus and computer program product are provided according to some example embodiments to enable the exchange of inter cell messages among neighboring access points. In this regard, a method is provided that includes receiving a request for transmission of an inter cell (IC) message that is to be transmitted to a neighboring access point. The request for transmission further comprises scheduling information from the access point. The method further includes receiving an indication of scheduling priority from the neighboring access point. The method further includes receiving an uplink (UL) grant for the neighboring access point in response to a scheduling request (SR) transmitted to the neighboring access point. The method further includes causing the IC message to be (SR) transmitted to the neighboring transmitted to the neighboring access point. | 10-30-2014 |
20140321433 | Base Station Handover Method, X2 Interface Setup Method, Base Station, User Equipment and System - Embodiments of the present invention provide a base station handover method, an X2 interface setup method, a base station, a user equipment and a system. The method includes sending a handover request instruction to a second base station. The handover request instruction includes information of a first coordinated multi-point set of a user equipment. A handover request response is received from the second base station. The handover request response includes information of a second coordinated multi-point set allocated by the second base station for the user equipment. The information of the second coordinated multi-point set sent to the user equipment. | 10-30-2014 |
20140328327 | METHOD AND APPARATUS FOR ENHANCING MEASUREMENT IN WIRELESS COMMUNICATION SYSTEM - Embodiments of the present invention provide a method and an apparatus for enhancing measurement in a wireless communication system. The method includes: obtaining, according to a measurement period or triggered by an event, a measurement amount, where the measurement amount includes a ratio of a valid signal based on a reference signal to a non-valid signal based on the reference signal measured based on the reference signal; reporting the measurement amount to a base station; or performing cell selection or cell reselection according to the measurement amount. | 11-06-2014 |
20140349677 | POSITIONING METHOD, POSITIONING SERVER, TERMINAL AND BASE STATION - Embodiments of the present invention provide a positioning method, a positioning server, a terminal and a base station. The positioning method includes: notifying a terminal of difference threshold information; receiving cell subset information that is determined by the terminal according to the difference threshold information, where the cell subset information is used to indicate a cell pair whose reference signal measured value exceeds the difference threshold, or the cell subset information is used to indicate a cell pair whose reference signal measured value does not exceed the difference threshold; determining a configuration of a PRS according to the cell subset information, and notifying the terminal of the configuration of the PRS; and receiving an RSTD that is obtained by the terminal through measurement according to the configuration of the PRS, and determining a location of the terminal according to the RSTD. | 11-27-2014 |
20140349704 | LOAD BALANCE METHOD AND RELEVANT APPARATUSES - Embodiments of the present invention disclose a load balance method and relevant apparatuses to implement load balance between base stations in a communications network that includes an LTE base station. The method in an embodiment of the present invention includes: obtaining, by a radio resource management RRM server, load information reported by base stations, where the base stations include a Long Term Evolution LTE base station; determining an overloaded base station in the base stations; determining a target base station according to the load information, where the target base station is a base station to share a load of the overloaded base station; and instructing the overloaded base station and the target base station to perform load balance. | 11-27-2014 |
20140376425 | Random Access Channel Enhancement for Carrier Aggregation with Different Uplink/Downlink Configuration - The present invention relates to methods, apparatuses and a computer program product for random access channel enhancement for carrier aggregation with different uplink/downlink configuration. The present invention includes detecting, at a user equipment, a downlink control channel in a specific downlink subframe on a first component carrier, receiving, at the user equipment, a downlink shared channel on the first component carrier, and transmitting, after a predetermined period, a random access channel in a specific uplink subframe on a second component carrier, the specific uplink subframe overlapping the specific downlink subframe on the first component carrier. | 12-25-2014 |
20140376483 | Control Mechanism for Communication Via Different Frequency Bands - There is provided a mechanism for controlling communications conducted via different frequency bands or communication spectrums. When a communication via a first communication path, for example an unlicensed or white space communication spectrum, is to be established, e.g. for offloading traffic from a second communication path, for example a licensed cellular communication spectrum, a preamble transmission command is generated and transmitted from a communication network control element, such as an eNB, via the second communication path to a communication element, such as a UE. By means of the preamble transmission command, the transmission of a preamble signal by the receiving communication element on the first communication path with predetermined communication resources is triggered. Based on a receipt or non-receipt of the preamble signal via the first communication path, the communication network control element is able to determine that the communication element can establish a connection on the first communication path, for example the unlicensed or white space communication spectrum. | 12-25-2014 |
20140378157 | Methods and Apparatuses for Provision of a Flexible Time Sharing Scheme on an Unlicensed Band of a System - A method, apparatus and computer program product are provided facilitating flexible time sharing among systems. A method and apparatus may generate a secondary component carrier transmission plan including planned on and off durations. The planned on durations correspond to a time period for an apparatus and devices to communicate via an unlicensed band of the secondary component carrier. The planned off durations correspond to a time interval in which the devices may deactivate from the unlicensed band or remain disconnected from the unlicensed band. The method and apparatus may also enable provision of the plan to the devices via a licensed band of a primary component carrier and detecting a medium of the unlicensed band prior to the expiration of the time period to determine whether the medium is available in order to decide whether to turn on transmissions to the unlicensed band after one of the planned off durations. | 12-25-2014 |
20150103703 | Resource Allocation In Different TDD Configurations With Cross Carrier Scheduling - A downlink resource grant is on a first component carrier having a first downlink to uplink DL/UL subframe configuration, and cross schedules to a second component carrier having a different second DL/UL subframe configuration. If a first set SI of downlink subframes associated with a subframe n of the first DL/UL subframe configuration only partially overlaps with a second set S2 of downlink subframes associated with the subframe n of the second DL/UL subframe configuration, then explicit signaling is utilized to select whether uplink radio resources in subframe n for channel selection are implicitly or explicitly allocated. If instead SI does not only partially overlap SI, then a default rule is utilized for allocating the uplink radio resources in subframe n for channel selection. In different examples the explicit signaling is higher layer signaling which configures a UE; or a predetermined state in a field of the PDCCH. | 04-16-2015 |
20150139195 | Inter-Radio Access Technology Handover Method, Corresponding Device, and Communications System - An embodiment of the present invention provides a handover method, and embodiments of the present invention further provide a coordinator, a serving node, a target node, and a corresponding communications system. The method includes acquiring measurement results of a plurality of neighboring cells of a serving cell where a user equipment UE is located; acquiring information reflecting a load condition of at least one neighboring cell among the plurality of neighboring cells; and performing a handover decision according to the measurement results of the plurality of neighboring cells and the information reflecting the load condition of the at least one neighboring cell among the plurality of neighboring cells. | 05-21-2015 |
20150215098 | METHOD AND APPARATUS FOR REBALANCING THE SIZES OF THE DOWNLINK (DL) ASSOCIATION SETS FOR COMPONENT CARRIERS HAVING DIFFERENT TIME DIVISION DUPLEX SUBFRAME CONFIGURATIONS - Methods, apparatus and computer program products are provided for rebalancing the sizes of downlink (DL) association sets for component carriers having different time division duplex subframe configurations. A method is provided that includes determining DL subframes that are included in a DL association set for each of a plurality of component carriers. In an instance in which the number of acknowledgement (ACK)/negative acknowledgement (NACK) bits corresponding to the DL subframes included in the DL association sets for respective component carriers differ by at least a predetermined amount, the method modifies the number of ACK/NACK bits corresponding to the DL subframes that are included in the DL association sets for each of the respective component carriers. The method may also cause transmission of the ACK/NACK bits in accordance with the DL association sets, as modified, via the respective component carriers. Corresponding apparatus and computer program products are also provided. | 07-30-2015 |
20150230236 | UPLINK CONFIGURATION AND TRANSMISSION CONTROL IN INTER-SITE CARRIER AGGREGATION - There are provided measures for uplink configuration and transmission control in inter-site carrier aggregation. Such measures may exemplarily comprise measures for controlling configuration of a terminal device for an inter-site carrier aggregation mode, in which carriers from a macro cell and a micro cell are aggregated for uplink communication, with a configuration of uplink control information for the macro cell located at a first site and a configuration of uplink control information for the micro cell located at a second site, and/or measures for controlling transmission of a terminal device in the inter-site carrier aggregation mode with a handling of concurrent uplink transmissions at the terminal device. | 08-13-2015 |
20150249985 | Methods and Apparatuses for Enabling Provision of an Additional Special Subframe Configuration - A method, apparatus and computer program product are provided for enabling provision of an additional special subframe configuration to one or more communication devices. A method and apparatus may generate one or more parameters defining a new special subframe configuration associated with downlink communications. The new special subframe configuration is generated in addition to one or more other special subframe configurations. The new special subframe configuration includes information indicating a plurality of downlink symbols that exceed a number of downlink symbols of one of the other special subframe configurations which reduces overlap between a first system and a second system, the plurality of downlink symbols minimize interference between the first and second systems and increases utilization of resources. The method and apparatus may provide a message to one or more communication devices to enable at least a first subset of the communication devices to detect the new special subframe configuration. | 09-03-2015 |
20150257094 | LOW POWER COMMUNICATION IN CONNECTED MODE - It is provided a method, comprising: signaling, to a terminal device, to turn into a low power connected mode; inhibiting signaling, to the terminal device, to turn into an idle mode; saving a parameter used to connect to the terminal device in a normal connected mode different from the low power connected mode before signaling to turn into the low power connected mode. | 09-10-2015 |
20150257095 | TRANSITION METHOD INTO SLEEPING MODE - It is provided a method, comprising camping on a first cell in a terminal mode, wherein, in the terminal mode, a mode-enabling downlink signal from the first cell is required; checking if a transition information about an intended transition of the first cell to a sleeping mode is received and if an apparatus performing the method camps in the terminal mode on the first cell, wherein in the sleeping mode of the first cell the mode-enabling downlink signal is not received from the first cell; transmitting a complaint to the first cell if the transition information is received and the apparatus camps in the terminal mode on the first cell. | 09-10-2015 |
20150264609 | METHOD AND APPARATUS FOR MANAGING HANDOVERS - A method, apparatus, and computer program product are provided to manage handover procedures in a dual connection context. In the context of a method, a macro access point (MAP) may initiate a handover between a source and destination local area access point (LAAP) by causing a handover request to be transmitted to the destination LAAP. The method may further involve causing a handover command to be transmitted to a user equipment (UE), causing a data transfer inform message to be transmitted to the source LAAP, and receiving a UE context release message from the destination LAAP. In the context of another method, a LAAP may initiate a handover. The method may involve receiving a dual connection transfer request message from a source LAAP, receiving a dual connection transfer request acknowledge message from a destination LAAP and receiving a Path Switch Successful indication from a Mobility Management Entity. | 09-17-2015 |
20150271803 | CONTROL SIGNALING FOR WIRELESS COMMUNICATION - In accordance with an example embodiment of the present invention, a method comprises allocating a control channel resource in a wireless relay transmission frame on a wireless relay link; generating a control signaling based on at least one of a resource allocation scheme, a status of the wireless relay link and a traffic condition of the wireless relay link; mapping the control signaling to the allocated control channel resource via at least one of a time-first mapping, a frequency-first mapping, and a multiplexing mapping; and transmitting the control signaling in the allocated control channel resource on the wireless relay link to at least one associated relay node. | 09-24-2015 |
20150282239 | METHOD AND APPARATUS FOR MANAGING DUAL CONNECTION ESTABLISHMENT - A method, apparatus, and computer program product are provided to manage the establishment of a dual connection. A method according to an example embodiment may include causing a dual connection setup request message to be transmitted to a local area access point (LAAP) and causing a dual connection command to be transmitted to a user equipment (UE). The method further includes receiving a dual connection establishment complete message and causing resources associated with one or more split bearers to be released or suspended. | 10-01-2015 |
20150305003 | MULTIPLEXED TRANSMISSION OF DATA FROM MULTIPLE HARQ PROCESSES FOR A SWITCHING OPERATION - A network sends data blocks in a first/n1h radio frame having a first configuration of uplink to downlink transmission time intervals TTIs. Each of these data blocks originate a separate hybrid automatic repeat request HARQ process. The network then frequency or spatially mutliplexes first re-transmissions of at least two of the data blocks in at least one TTI of a sequentially next second/(n+1) | 10-22-2015 |
20150305065 | RANDOM ACCESS PROCEDURE AND RELATED APPARATUS - A new random access procedure is introduced that does not use a timing advance for the uplink timing but instead uses the downlink timing for uplink timing. This is particularly viable when the propagation delay is short, for example with local area cells having a coverage range less than some predetermined threshold. From the mobile terminal's perspective it obtains downlink timing for a cell, transmits a scheduling request SR in a contention-based uplink resource, and in response to receiving an uplink resource allocation it transmits in the allocated uplink resource using the downlink timing. The terminal can get the configuration for that contention-based uplink resource from system information. From the uplink resource the terminal and network determines a SR-RNTI, which the network uses to address the uplink resource allocation and the terminal uses to find a pre-defined search space in which to look for that uplink resource allocation. | 10-22-2015 |
20150326366 | MEASUREMENT METHOD, USER EQUIPMENT, BASE STATION, AND WIRELESS COMMUNICATIONS SYSTEM - Embodiments of the present invention disclose a measurement method, user equipment, a base station, and a wireless communications system, where the method includes: determining, according to transmit bandwidth and transmit time of a new carrier type cell-specific reference signal in a cell of the first base station and the transmit bandwidth and the transmit time of the new carrier type cell-specific reference signal in the cell of the second base station, measurement bandwidth and measurement time corresponding to a cell in which user equipment is located; and transmitting measurement configuration information including the measurement bandwidth and the measurement time to the user equipment. The first base station may acquire the transmit bandwidth and the transmit time, and deliver, to UE, measurement configuration information including two pieces of information, namely, measurement bandwidth and measurement time. Therefore, a solution for performing effective measurement in a new carrier type is provided. | 11-12-2015 |
20150341799 | SYSTEM AND METHOD TO ESTABLISH AND MAINTAIN CELL CLUSTER - A wireless communication method of establishing and maintaining a cell cluster comprising at least one cell configured to communicate with at least one UE (User Equipment), comprising detecting a broadcast beacon signal. The method further comprises, in response to an absence of the broadcast beacon signal, assuming the role of a cluster head of a cluster having a specific intra-cell identifier, and broadcasting a beacon signal. In response to detecting the broadcast beacon signal and an absence of an intra-cell identifier, continuing to transmit and receive using a prior duplex communication configuration. Further, in response to detecting the broadcast beacon signal and a presence of the intra-cell identifier, joining the cell identified by the detected intra-cell identifier, and setting its intra-cell identifier based on the detected intra-cell identifier. | 11-26-2015 |
20150358838 | BUFFER STATUS REPORTING FOR DUAL CONNECTION - Apparatus, methods, and computer programs that selectively transmit one or more local area buffer status reports by a macro base station over a macro link or transmit a macro buffer status report by a local area access point over a local area link in a dual connection deployment scenario in response to a cross link buffer status report trigger. The apparatus, methods and computer programs may include several cross buffer status reporting triggers. The user equipment may trigger cross buffer status reporting in response or incidental to one or more measurement events. The user equipment may also trigger cross buffer status reporting in response to or incidental to a link failure. The user equipment may also trigger cross buffer status reporting in response to receiving a request from an eNB. | 12-10-2015 |
20150365849 | HANDOVER PROCEDURE BETWEEN LOCAL AREA CELLS WHICH ARE UNDER THE SAME COVERAGE OF A MACRO CELL - An apparatus and a method is provided, by which a first type cell is controlled, wherein a plurality of second type cells are located in the same area as the first type cell, wherein control signal transmission to at least one user equipment is carried out via the first type cell and data transmission to the at least one user equipment is carried out via one of a plurality of the second type cells, and handover of data transmission of a user equipment from a source cell being one of the plurality of second type cells to a target cell being another one of the plurality of second type cells is controlled. Moreover, also an apparatus and a method of e.g., a user equipment are provided, by which a handover of data transmission from a source cell being one of the plurality of second type cells to a target cell being another one of the plurality of second type cells is performed, while maintaining control signal transmission with the first type cell. | 12-17-2015 |
20150365854 | ADDRESSING COMMUNICATION FAILURE IN MULTIPLE CONNECTION SYSTEMS - Systems and techniques for link failure management in multiple connection systems. Upon detection of a link failure with a local area base station during a dual connection mode in which the user device is connected to a macro base station and a local area base station, a user device sends a failure indication and a measurement results report for serving and neighboring base stations to its serving macro base station, and selects a response to the failure based at least in part on evaluation information received from the macro base station. Upon detection of a link failure with a macro base station, the user device determines whether to reconnect to the macro base station or a different macro base station and whether to reconnect with the original local area base station or a different local area base station. | 12-17-2015 |
20150365857 | MEASUREMENTS IN MULTIPLE CONNECTION SYSTEMS - Systems and techniques for link condition reporting in multiple connection systems. A base station, such as a macro eNodeB (eNB) configures measurement objects and reporting objects for macro and local area links for a user device such as a user equipment (UE). The objects relating to the secondary links are configured for use when the user device is operating in a dual connection mode. Upon detection of a triggering event when the user device is in dual connection mode, the user device reports macro and secondary link information. In some embodiments of the invention, triggering may be based on events related to a specified frequency group, or may be direct measurements related to a specified frequency group. | 12-17-2015 |
20150365894 | METHODS AND APPARATUSES FOR DISCONTINUOUS RECEPTION - A method, apparatus and computer program product are provided for minimizing power consumption in a macro cell. A method and apparatus may establish a dual connection with a local area access point of a local area cell and a macro access point of a macro cell. The method and apparatus may also enter a power save mode in a macro cell by utilizing a first discontinuous reception (DRX) pattern in the macro cell in response to establishing the dual connection. The first DRX pattern may include a designated DRX active time period in which a communication device is designated to be active. The DRX active time period is aligned with a time period of a paging occasion of the apparatus. | 12-17-2015 |