Apparatus and method for performing resource allocation and communication in a wireless communication system, and system using same

A communication method in a receiver of a wireless communication system using Frequency Division Multiple Access (FDMA), the method comprising:

• dividing entire frequency resources into sub-bands each having a number of sub-channels, dividing slots for transmitting each sub-channel into a slot used for Wide-Band Hopped Hybrid Automatic Repeat reQuest (WBH-HARQ) and a slot used for Sub-Band Hopped Hybrid Automatic Repeat reQuest (SBH-HARQ), and receiving WBH-HARQ slot and SBH-HARQ slot information with mobile stations;
• checking a type of an allocated resource upon receipt of resource allocation information;
• and
• performing communication according to the type of the allocated resource,
• wherein a hopping sequence for the WBFI-HARQ and the SBH-HARQ is defined based on a predetermined global hopping sequence and a predetermined local hopping sequence, and
• wherein the global hopping sequence represents a rule in which mapping of a particular logical channel changes from a physical channel in a particular sub-band to a physical channel in a same or different sub-band with the passage of time, and the local hopping sequence represents a mapping rule between a logical resource and a physical channel according to time in local hopping.

An apparatus for allocating resources in a wireless communication system using Frequency Division Multiple Access (FDMA), the apparatus comprising:

• a controller for dividing entire frequency resources into sub-bands each having a predetermined number of sub-channels, dividing slots for transmitting each sub-channel into a slot used for Wide-Band Hopped Hybrid Automatic Repeat reQuest (WBH-HARQ) and a slot used for Sub-Band Hopped Hybrid Automatic Repeat reQuest (SBH-HARQ), and allocating resources for transmission data to mobile stations by selecting one of a wide-band slot resource used for the WBH-HARQ and a sub-band slot resource used for the SBH-HARQ using WBH-HARQ slot and SBH-HARQ slot information;
• a transmission data generator for converting the transmission data into a predetermined transmission format according to the resource allocated by the controller;
• and
• a transmitter for converting an output of the transmission data generator into a signal in a transmission band, and outputting a radio signal,
• wherein a hopping sequence for the WBH-HARQ and the SBH-HARQ is defined based on a predetermined global hopping sequence and a predetermined local hopping sequence, and
• wherein the global hopping sequence represents a rule in which mapping of a particular logical channel changes from a physical channel in a particular sub-band to a physical channel in a same or different sub-band with the passage of time, and the local hopping sequence represents a mapping rule between a logical resource and a physical channel according to time in local hopping.

A receiver apparatus of a wireless communication system using Frequency Division Multiple Access (FDMA), the apparatus comprising:

• a receiver for dividing entire frequency resources into sub-bands each having a number of sub-channels, dividing slots for transmitting each sub-channel into a slot used for Wide-Band Hopped Hybrid Automatic Repeat reQuest (WBH-HARQ) and a slot used for Sub-Band Hopped Hybrid Automatic Repeat reQuest (SBH-HARQ), and receiving WBH-HARQ slot and SBH-HARQ slot information, resource allocation information, and a data signal with mobile stations;
• a frequency separator for outputting an allocated resource from an output of the receiver;
• a channel decoder for decoding an output of the frequency separator and outputting a decoding result;
• and
• a controller for checking a type of the allocated resource from the resource allocation information, and controlling an output of the frequency separator according to whether a wide-band resource is allocated or at least one of the sub-bands is allocated.

A method for allocating resources in a wireless communication system using Frequency Division Multiple Access (FDMA), the method comprising:

• dividing, by a base station, entire frequency resources into sub-bands each having a number of sub-channels, setting at least one sub-channel in each of the sub-bands as a wide-band resource, and providing sub-band and wide-band information to mobile stations;
• and
• determining, by the base station, one of the sub-band resource and the wide-band resource as an allocated resource according to channel condition with a particular mobile station when there is a need for communication with the mobile station,
• wherein the sub-band resource and the wide-band resource are allocated with frequency hopping,
• wherein a hopping sequence for the frequency hopping is defined based on a predetermined global hopping sequence and a predetermined local hopping sequence, and
• wherein the global hopping sequence represents a rule in which mapping of a particular logical channel changes from a physical channel in a particular sub-band to a physical channel in a same or different sub-band with the passage of time, and the local hopping sequence represents a mapping rule between a logical resource and a physical channel according to time in local hopping.

A communication method in a receiver of a wireless communication system using Frequency Division Multiple Access (FDMA), the method comprising:

• receiving resource information indicating that among entire frequency resources, sub-bands each have a number of sub-channels and at least one sub-channel in each of the sub-bands is set as a wide-band resource;
• checking a type of an allocated resource upon receipt of resource allocation information;
• and
• performing communication according to the type of the allocated resource,
• wherein the sub-band resource and the wide-band resource are allocated with frequency hopping,
• wherein a hopping sequence for the frequency hopping is defined based on a predetermined global hopping sequence and a predetermined local hopping sequence, and
• wherein the global hopping sequence represents a rule in which mapping of a particular logical channel changes from a physical channel in a particular sub-band to a physical channel in a same or different sub-band with the passage of time, and the local hopping sequence represents a mapping rule between a logical resource and a physical channel according to time in local hopping.

An apparatus for allocating resources in a wireless communication system using Frequency Division Multiple Access (FDMA), the apparatus comprising:

• a controller for controlling resource allocation for transmission data out of a wide-band resource and a sub-band resource using channel condition with a mobile station and resource information indicating that among entire frequency resources, sub-bands each have a number of sub-channels and at least one sub-channel in each of the sub-bands is set as a wide-band resource;
• a transmission data generator for converting the transmission data into a transmission format according to the resource allocated by the controller;
• and
• a transmitter for converting an output of the transmission data generator into a signal in a transmission band, and outputting a radio signal,
• wherein the controller allocates the sub-band resource and the wide-band resource with frequency hopping,
• wherein a hopping sequence for the frequency hopping is defined based on a predetermined global hopping sequence and a predetermined local hopping sequence, and
• wherein the global hopping sequence represents a rule in which mapping of a particular logical channel changes from a physical channel in a particular sub-band to a physical channel in a same or different sub-band with the passage of time, and the local hopping sequence represents a mapping rule between a logical resource and a physical channel according to time in local hopping.

A receiver apparatus in a Frequency Division Multiple Access (FDMA) wireless communication system, the apparatus comprising:

• a receiver for receiving resource information indicating that among entire frequency resources, sub-bands each have a number of sub-channels and at least one sub-channel in each of the sub-bands is set as a wide-band resource, and receiving resource allocation information and a data signal;
• a frequency separator for outputting an allocated resource from an output of the receiver;
• a channel decoder for decoding an output of the frequency separator and outputting a decoding result;
• and
• a controller for checking a type of the allocated resource from the resource allocation information, and controlling an output of the frequency separator according to whether the wide-band resource is allocated or at least one of the sub-bands is allocated.

A system for performing resource allocation and communication in a wireless communication system using Frequency Division Multiple Access (FDMA), the system comprising:

• a base station for setting resource information indicating that among entire frequency resources, sub-bands each have a number of sub-channels and at least one sub-channel in each of the sub-bands is set as a wide-band resource, determining one of the sub-band resource and the wide-band resource as an allocated resource according to channel condition with a particular mobile station when there is a need for communication with the mobile station, providing corresponding information to each mobile station, and performing communication with the mobile station using the allocated resource;
• and
• a mobile station detecting a type of an allocated resource upon receipt of resource allocation information and performing communication according to a type of the allocated resource,
• wherein the base station allocates the sub-band resource and the wide-band resource with frequency hopping,
• wherein a hopping sequence for the frequency hopping is defined based on a predetermined global hopping sequence and a predetermined local hopping sequence, and
• wherein the global hopping sequence represents a rule in which mapping of a particular logical channel changes from a physical channel in a particular sub-band to a physical channel in a same or different sub-band with the passage of time, and the local hopping sequence represents a mapping rule between a logical resource and a physical channel according to time in local hopping.

A system for performing resource allocation and communication in a wireless communication system using Frequency Division Multiple Access (FDMA), the system comprising:

• a base station for dividing entire frequency resources into sub-bands each having a number of sub-channels, dividing slots for transmitting each sub-channel into a slot used for Wide-Band Hopped Hybrid Automatic Repeat reQuest (WBH-HARQ) and a slot used for Sub-Band Hopped Hybrid Automatic Repeat reQuest (SBH-HARQ), providing WBH-HARQ slot and SBH-HARQ slot information to mobile stations, determining one of a sub-band slot resource used for the SBH-HARQ and a wide-band slot used for a WBH-HARQ resource as an allocated resource when there is a need for communication with a mobile station, providing corresponding information to each mobile station, and performing communication with the mobile station using the allocated resource;
• and
• a mobile station for detecting a type of an allocated resource upon receipt of resource allocation information and performing communication according to a type of the allocated resource,
• wherein a hopping sequence for the WBH-HARQ and the SBH-HARQ is defined based on a predetermined global hopping sequence and a predetermined local hopping sequence, and
• wherein the global hopping sequence represents a rule in which mapping of a particular logical channel changes from a physical channel in a particular sub-band to a physical channel in a same or different sub-band with the passage of time, and the local hopping sequence represents a mapping rule between a logical resource and a physical channel according to time in local hopping.