Abstract: A method of determining a transmission time of a packet in a mobile device according to the present disclosure may include: if a request for the transmission of a present packet from at least one operated application is detected, identifying whether it is possible to delay a transmission time of the present packet; when it is possible to delay the transmission time of the present packet, calculating a power gain generated as the transmission time of the present packet is delayed; and determining whether the transmission time of the present packet will be delayed according to the calculated power gain.

Abstract: A method for providing a cooperative communication service by a macro Base Station (BS) in a mobile communication system is provided. The method includes generating at least one small cell BS group by grouping small cell BSs if there are small cell BSs of which a number is equal to or larger than a threshold small cell BS number within a service coverage of the macro BS, establishing a cooperative interface with a representative small cell BS among small cell BSs included in the at least one small cell BS group, and providing a cooperative communication service with the at least one small cell BS group using the cooperative interface.

Abstract: Provided is an apparatus to detect congestion of a network using a receiver of a communication system. The apparatus includes a transport layer information extraction unit configured to extract transmission control protocol frame information from information that is received from a lower layer. The apparatus also includes a congestion information filtering unit configured to identify and output a packet to determine congestion in the transmission control protocol frame information. The apparatus further includes a congestion detection unit configured to determine whether the network is congested using the packet to determine congestion. The apparatus includes a congestion information output unit configured to, upon detecting congestion in the network, deliver information indicating the detection of the congestion in the network to an operating system or other applications.

Abstract: An apparatus and a method for allocating resources in a wireless communication system are provided. The method includes when one or more Connection IDentifiers (CIDs) request UpLink (UL) resources, checking the UL resources requested by the CIDs; and requesting the UL resources requested by the CIDs to a base station at a time.

Abstract: Analog heterogeneous tags and methods and systems to configure the tags are described. The present invention relates to the field of electronic devices and more particularly to electronic tag devices using analog technology. Embodiments herein disclose a tag that can work in at least one of transmit only, receive only or transmit/receive modes and can transmit/receive using a plurality of communication technologies without the complex stack functionality with minimal hardware and memory requirements, wherein the tag uses I/Q samples corresponding to each technology pre-stored on the tag. Embodiments herein also disclose methods and systems for configuring the electronic tags using a configuration device, wherein the configuration device provides the I/Q samples of each technology to the tag.

Abstract: A method for a serving base station to determine a handover time in a communication system is provided. The method includes determining whether to set up dual connectivity (DC) with respect to a terminal with a target base station that transmits the beacon if it is recognized that the terminal receives a beacon including a plurality of pieces of service coverage area information, and determining whether to execute a handover to the target base station based on a measurement report of the terminal, which is received after the DC is set up if the DC is set up.

Abstract: A method for allocating a resource by a Mobile Station (MS) in a mobile communication system includes performing a measurement operation and a measurement report operation; and being allocated a resource from a small cell Base Station (BS) or a macro BS based on a neighbor small cell BS change probability and a neighbor small cell BS list, wherein the neighbor small cell BS list includes information on neighbor small cell BSs, and the neighbor small cell BSs are neighbor small cell BSs of which received signal strengths for reference signals measured by the MS are equal to or greater than a threshold received signal strength, and wherein the neighbor small cell BS change probability is determined using a neighbor small cell BS list which is generated at a current timing point and a neighbor small cell BS list which is generated at a previous timing point.

Abstract: An apparatus and a method for controlling traffic of a second electronic device, which interworks with a first electronic device, in the first electronic device is provided. The method includes detecting occurrence of an event which needs to be notified to the second electronic device, determining a time to notify the occurrence of the event based on a driving time of the second electronic device, and transmitting an event occurrence notification signal to the second electronic device at the determined notification time.

Abstract: Provided is an apparatus and method for connecting to an Access Point (AP) based on beacon information in a wireless communication system. To this end, a wireless device predicts an interference condition from each of a plurality of APs based on information acquired by a received beacon, selects one of the plurality of APs, taking the predicted interference condition into account, and attempts connection to the selected AP.

Abstract: A Hybrid Automatic Repeat reQuest (HARQ) method and an apparatus in a communication system are provided. The method includes receiving, by a Subscriber Station (SS), first data from at least one first member Base Station (BS) among member BSs of a cooperative cell, when the cooperative cell is configured with the member BSs to provide a communication service to the SS, generating a response signal indicating a reception result of the first data, and transmitting the response signal to at least one predefined second member BS from among the member BSs. The member BSs include a master BS for controlling communication of the member BSs and at least one slave BS for communicating with the SS under the control of the master BS.

Abstract: A method for estimating a battery consumption state of a mobile communication terminal is provided. The method includes building a database with battery characteristic information changing according to at least one of a temperature and an aging characteristic of a battery supplying power to the mobile communication terminal, and estimating a power consumption of the mobile communication terminal and a battery drain rate based on the battery characteristic information and displaying estimated information.

Abstract: An apparatus and a method for controlling traffic of a second electronic device, which interworks with a first electronic device, in the first electronic device is provided. The method includes detecting occurrence of an event which needs to be notified to the second electronic device, determining a time to notify the occurrence of the event based on a driving time of the second electronic device, and transmitting an event occurrence notification signal to the second electronic device at the determined notification time.

Abstract: A Hybrid Automatic Repeat reQuest (HARQ) method and an apparatus in a communication system are provided. The method includes receiving, by a Subscriber Station (SS), first data from at least one first member Base Station (BS) among member BSs of a cooperative cell, when the cooperative cell is configured with the member BSs to provide a communication service to the SS, generating a response signal indicating a reception result of the first data, and transmitting the response signal to at least one predefined second member BS from among the member BSs. The member BSs include a master BS for controlling communication of the member BSs and at least one slave BS for communicating with the SS under the control of the master BS.

Abstract: The present invention relates to a method and a system for requesting the allocation of bandwidth in a multi-hop relay environment. The present invention relates to a method for requesting bandwidth of a relay node in the multi-hop relay environment and a method for allocating bandwidth of a base station. In the invention, single piggybacking and multiple piggybacking based on approval-processing sub-headers are discriminated from single piggybacking and multiple piggybacking based on extensible sub-headers. Therefore, the bandwidth-requests for each CID from the base station are integrated and managed for each relay so that the message transmission and reception load may be reduced and the allocation of bandwidth may be optimized.

Abstract: A system and a method minimize power consumption, signalling overhead, and processing load in blind scheduling in a mobile communication system. A User Equipment (UE) detects a type of an uplink (UL) grant while it is periodically allocated the UL grant. If there is no data to transmit using the UL grant, the UE determines whether to transmit a padding Medium Access Control (MAC) Protocol Data Unit (PDU) to an Evolved Universal Terrestrial Radio Access Network (E-UTRAN) Node B (eNB) using the UL grant according to the type of the UL grant.

Abstract: The present invention relates to a method for reducing power consumption of a wireless terminal, comprising the operations of: when receiving a triggering packet from the wireless terminal, estimating parameters related to reduction of the power consumption of the wireless terminal; when receiving a condition including a required reduction amount for the power consumption, determined on the basis of the parameters, and time delay related information, setting a clustering cycle corresponding to the condition; and performing a wireless communication with the wireless terminal on the basis of the clustering cycle.

Abstract: A method for configuring a cooperative cell by a master Base Station (BS) in a wireless communication system is provided. The method includes instructing a Mobile Station (MS) and adjacent BSs to measure channels, receiving channel measurement results from the MS and the adjacent BSs, and determining at least one BS constituting a cooperative cell according to the channel measurement results. The at least one BS constituting the cooperative cell provides one of an UpLink (UL) service and a DownLink (DL) service to a same MS.

Abstract: The present invention relates to a packet retransmission method of a terminal accessing a base station in contention-based access mode, and the method includes transmitting an uplink packet to the base station; receiving, when the base station fails decoding the uplink packet, a retransmission request message transmitted by the base station; and initiating, when the retransmission request message is received, a Radio Link Control (RLC) retransmission. According to the present invention, the terminal operating in contention-based access mode initiates RLC retransmission in reception of an HARQ NACK from the base station. Accordingly, it is possible to perform the RLC retransmission immediately without necessity of waiting for the expiry of HARQ RTT as in the HARQ retransmission, resulting in reduction of packet retransmission delay.

Abstract: An apparatus and a method for managing an access mode of an NB in a wireless communication system. The method includes receiving, from a first NB, a request to change the access mode of the second NB from a first mode into a second mode; determining, by the CN, to change the access mode of the second NB into the second mode; transmitting, to the second NB, a request message requesting to change the access mode of the second NB; and receiving, from the second NB, a response message informing of an access mode control result. If the first mode allows access only to terminals having a registration in the second NB, and the second mode allows access to terminals, the second NB further grants access to at least one terminal not registered in the second NB, after changing the access mode.

Abstract: A system and a method minimize power consumption, signalling overhead, and processing load in blind scheduling in a mobile communication system. A User Equipment (UE) detects a type of an uplink (UL) grant while it is periodically allocated the UL grant. If there is no data to transmit using the UL grant, the UE determines whether to transmit a padding Medium Access Control (MAC) Protocol Data Unit (PDU) to an Evolved Universal Terrestrial Radio Access Network (E-UTRAN) Node B (eNB) using the UL grant according to the type of the UL grant.