Samsung Electronics Co., Ltd.

Unwired Planet International Limited

Industry-University Cooperation Foundation Sogang University

Unwiried Planet International Limited

Byung-Wook Jun

Jae-Hee Cho

Hyun-Jeong Kang

Jung-Je Son

Won-Il Roh

Hee-Won Kang

Young-Bo Cho

Yung-Soo Kim

Jong-Hyung Kwun

Chang-Yoon Oh

Ju-Mi Lee

Mingxia Xu

Jaehyuk Jang

Young-Bin Chang

Sung-Jin Lee

Yeong-Moon Son

Kwan-Hee Roh

Hee-Kwun Cho

Seong-Taek Hwang

Soon-Young Yoon

Sang-min Lee

Young-Hyun Jeon

Jae-hee Cho

Seong-Hyeon Chae

Won-Jin Sung

Jin-Hee Won

Ki-Uk Song

Sung-jin Lee

Si-Hyun Park

Jin-Woo Choe

Byoung-Seok Lee

Jae-Hyuk Jang

Sanyadechukal Pisut

Pisut Sanyadechukal

Jea-Hyuk Jang

Methods for operating a Base Station (BS) and a User Equipment (UE) in a wireless communication system using a primary frequency and one or more secondary frequencies, and apparatuses for the BS and UE for carry out the methods, are provided. The method for operating the BS includes determining whether to activate or deactivate at least one of the one or more secondary frequencies, and transmitting a message comprising a bitmap indicating the activation or deactivation of the at least one of the one or more secondary frequencies to the UE. The method for operating the UE includes receiving a message comprising a bitmap indicating activation or deactivation of at least one of the one or more secondary frequencies from the BS, and activating or deactivating the at least one of the one or more secondary frequencies based on the received message.

Apparatus and method for optionally using secondary frequency assignment in a wireless communication system using multiple bands

Disclosed is a system and a method of signal transmission/reception by a mobile station in a wireless communication system. The method includes: transmitting a first sub-band preparation indicator, which indicates that the mobile station has been prepared for transmission/reception of a signal through a first sub-band, to a base station through a primary band; transmitting a first sub-band failure indicator to the base station through the primary band upon detecting failure in transmitting the first sub-band preparation indicator; receiving sub-band information on a second sub-band, which is different from the first sub-band, from the BS through the primary band; and acquiring synchronization with the second sub-band, so as to enable transmission/reception of a signal through the second sub-band based on the sub-band information.

System and method for transmitting and receiving a signal using multiple frequency bands in a wireless communication system

An apparatus and method for operating a paging control in a broadband wireless communication system are provided. The method includes receiving paging information used to determine a location of a paging listening interval in an idle mode, determining whether multiple pagings are applied, using a maximum paging number field contained in the paging information, determining locations of a plurality of paging listening intervals in a paging cycle using a paging spacing value and an initial paging offset contained in the paging information, and determining whether the terminal is paged in each of the paging listening intervals.

Apparatus and method for multiple pagings in broadband wireless communication system

A method for allocating frequency resources by a Base Station (BS) in a frequency overlay system is provided. The method includes grouping at least one Mobile Station (MS) capable of using the same Frequency Allocation (FA), according to zones, multicasting zone information indicating a frequency resource available for each zone to at least one MS belonging to a corresponding zone, unicasting resource allocation information indicating an allocated frequency resource to at least one MS to which the frequency resource is allocated, among the grouped MSs, and communicating with the at least one MS using the allocated frequency resource indicated by the resource allocation information, within the frequency resource indicated by the zone information.

Apparatus and method for allocating frequency resources in a frequency overlay system

A broadband wireless communication system supporting a frequency overlay scheme is provided. An operating method of a base station includes allocating relative addresses to Resource Blocks in at least one operating Frequency Assignment (FA) of a terminal according to an addressing scheme for the terminal; generating at least one resource indicator represented with the relative addresses; generating resource allocation information which comprises the at least one resource indicator; and transmitting the resource allocation information through a primary FA of the terminal.

Apparatus and method for resource allocation for frequency overlay scheme in a broadband wireless communication system

A Handover apparatus and method of a Mobile Station (MS) in a wireless communication system in which at least one small cell resides in a macro cell includes, when entering a neighboring small cell, checking a movement speed of the MS. The method also includes determining whether to hand over to the small cell by taking into account the movement speed of the MS. When it is determined not to hand over to the small cell, that MS transmits small cell penetration information to a macro Base Station (BS); allocates a macro only resource from the macro BS; and communicates with the macro BS in the small cell using the macro only resource allocated from the macro BS.

Apparatus and method for operating small cell in wireless communication system

A Base Station (BS) includes an apparatus and method for transmitting cell information. The BS is in the a communication system of a small cell size in a wireless communication environment in which a communication system of a large cell size and the communication system of the small cell size are hierarchically constructed in the same area. The method includes confirming reference signal transmission information for transmitting a reference signal including its own cell information, if a reference signal transmission interval arrives according to the reference signal transmission information, transmitting the reference signal through an operation frequency of a macro BS of the large cell size including the BS itself, and, if it is not the reference signal transmission interval, providing service through its own operation frequency or operating in a power saving mode.

Apparatus and method for transmitting inter-working signal in wireless communication system

An apparatus and method determines neighbor Base Station (BS) information in a wireless communication system where a macro cell and a Femto cell coexist. The method includes, when a preamble scanning duration arrives, acquiring preamble information on at least one neighbor BS through preamble scanning. It is determined whether to scan a header for at least one neighbor BS among neighbor BSs for which the preamble information are acquired, in consideration of at least one of the acquisition or non-acquisition of new preamble information through the preamble scanning and a variation of an environment of a preamble acquired through the preamble scanning. And, in case that it is determined to scan the header, a header for a corresponding neighbor BS is scanned and header information of the neighbor BS is acquired.

Apparatus and method for determining neighbor BS information in a wireless communication system

An apparatus and method for transmitting/receiving system information in a wireless communication system with a hierarchical cell structure are provided. A method for transmitting system information in a micro Base Station (BS) in a wireless communication system in which at least one micro cell exists within a macro cell includes transmitting first system information to a Mobile Station (MS) communicating with a macro BS within a micro cell and an MS communicating with a micro BS within the micro cell, and transmitting second system information to the MS communicating with the micro BS within the micro cell.

Apparatus and method for transmitting/receiving system information in a wireless communication system with hierarchical cell structure

An apparatus and a method for detecting a femto Base Station (BS) of a Mobile Station (MS) in a wireless communication system including a macro BS and a femto BS are provided. The method includes receiving a request, from the macro BS, to monitor an UpLink (UL) signal of an MS permissible by the femto BS to access, and monitoring the UL signal of the MS permissible to access.

Apparatus and method for detecting femto base station in wireless communication system

A broadband wireless communication system using multiple bands is provided. A method includes determining to stop using a first Secondary (S)-Frequency Assignment (FA) of one or more S-FAs while communicating with a correspondent node over a Primary (P)-FA and the one or more S-FAs, sending a first message which requests to suspend the first S-FA, to the correspondent node, communicating over at least one FA excluding the first S-FA, and when resumption of the first S-FA is determined, sending a second message which requests to resume the first S-FA.

Apparatus and method for optionally using secondary frequency assignment in a wireless communication system using multiple band

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Seoul, South Korea

Byung-Wook Jun