| Title of Invention | ADAPTIVE SECTORIZATION IN CELLULAR SYSTEMS |
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| Abstract | Apparatuses and methodologies are described that enhance performance in a wireless communication system using beamforming transmissions. According to one aspect, a set of transmit beams are defined that simultaneously provides for space division multiplexing, multiple-input multiple output (MIMO transmission and opportunistic beamforming. The addition of a wide beam guarantees a minimum acceptable performance for all user devices. |
| Full Text | FORM 2 THE PATENTS ACT, 1970 (39 of 1970) & THE PATENTS RULES, 2003 COMPLETE SPECIFICATION (See section 10, rule 13) "ADAPTIVE SECTORIZATION IN CELLULAR SYSTEMS' QUALCOMM INCORPORATED, an American Company of 5775 Morehouse Drive, San Diego, California 92121-1714, United States of America The following specification particularly describes the invention and the manner in which it is to be performed. WO 2006/138581 PCT/US2006/023514 ADAPTIVE SECTORIZATION IN CELLULAR SYSTEMS CROSS-REFERENCE TO RELATED APPLICATION Claim of Priority under 35 U.S.C. ยง119 The present Application for Patent claims priority to Provisional Application No. 60/691,716 filed June 16, 2005, and assigned to the assignee hereof and hereby expressly incorporated by reference herein. Reference to Co-Pending Applications for Patent The present Application for Patent is related to the following co-pending U.S. Patent Applications: "CHANNEL QUALITY REPORTING FOR ADAPTIVE SECTORIZATION" having Attorney Docket No. 051010, filed concurrently herewith, assigned to the assignee hereof, and expressly incorporated by reference herein; and "PRECODING AND SDMA SUPPORT" having Attorney Docket No. 051224, filed concurrently herewith, assigned to the assignee hereof, and expressly incorporated by reference herein. "SDMA RESOURCE MANAGEMENT" having Attorney Docket No. 060031, filed concurrently herewith, assigned to the assignee hereof, and expressly incorporated by reference herein. "Mobile Wireless Access System" having Attorney Docket No. 060081, filed concurrently herewith, assigned to the assignee hereof, and expressly incorporated by reference herein. BACKGROUND I. Field The following description relates generally to wireless communications, and, amongst other things, to flexible communication schemes for wireless communication systems. II. Background Wireless networking systems have become a prevalent means by which a majority of people worldwide has come to communicate. Wireless communication devices have become smaller and more powerful in order to We Claim: 1. A method for enhancing performance for a wireless communication environment, comprising: determining channel information for user devices; assigning the user devices to at least one beam from a predetermined set of beams, the set of beams comprising at least one narrow beam and a wide beam, wherein assigning the user devices to the at least one narrow beam comprises scheduling a first user device using a spatial division multiplexing (SDM) scheduling technique and scheduling a second user device using a multiple-in multiple-out (MIMO) scheduling technique, such that the first and second user devices are scheduled simultaneously, and wherein the at least one narrow beam and the wide beam are separate beams, and reassigning at least one user device from a narrow beam to the wide beam if channel quality information is lower than a threshold value, wherein the at least one narrow beam comprises a first cluster of narrow beams having a dominant direction and a second cluster of narrow beams having a dominant direction, wherein the dominant direction of the first cluster is different from the dominant direction of the second cluster. 2. The method as claimed in claim 1, comprising assigning another user device during a same time period to at least some overlapping frequencies and a beam that is not part of the predetermined set of beams. 3. The method as claimed in claim 1, comprising generating the wide beam using a cyclic delay diversity scheme. 4. The method as claimed in claim 1, comprising assigning, to the wide beam, broadcast control transmissions for transmission to one or more of the user devices. 5. The method as claimed in claim 1, wherein the at least one narrow beam comprises a first cluster of narrow beams and a second cluster of narrow beams, wherein at least some of the first cluster and the second cluster overlap. 6. The method as claimed in claim 1, comprising assigning another user device during a same time period to non-overlapping frequencies. 7. The method as claimed in claim 1, comprising assigning a third user device to the wide beam while at least one of the first and second user devices is assigned to the narrow beam. 8. A wireless communication apparatus, comprising: a memory that stores information related to a predetermined set of beams, the set of beams comprising at least one narrow beam and a wide beam, wherein the at least one narrow beam and the wide beam are separate beams; and a processor, coupled to the memory, that assigns user devices to at least one beam from the predetermined set of beams, wherein assigning the user devices to the at least one narrow beam comprises scheduling a first user device using a spatial division multiplexing (SDM) scheduling technique and scheduling a second user device using a multiple-in multiple-out (MIMO) scheduling technique, such that the first and second user devices are scheduled simultaneously; and wherein the processor reassigns at least one user device from a narrow beam to the wide beam if channel quality information is lower than a threshold value, a first cluster of antennas, wherein a first cluster of narrow beams employs the first cluster of antennas; and a second cluster of antennas, wherein a second cluster of narrow beams utilizes the second cluster of antennas, and wherein a first dominant direction of the first cluster is different from a second dominant direction of the second cluster. 9. The apparatus as claimed in claim 8, wherein the processor schedules communications for the user devices based upon a spatial division multiplexing, multiple input multiple output (MIMO) or opportunistic beamforming scheduling technique. 10. The apparatus as claimed in claim 8, wherein the processor generates the wide beam using a cyclic delay diversity scheme. 11. The apparatus as claimed in claim 8, wherein the processor transmits broadcast control transmissions over the wide beam. 12. A mobile device that facilitates communicating over a wireless network, comprising: a component configured to request assignment of a user device to at least one beam from a predetermined set of beams, the set of beams comprising at least one narrow beam and a wide beam, wherein the component is also configured to request reassignment of the user device from the at least one narrow beam to the wide beam if channel quality information is lower than a threshold value, and wherein the at least one narrow beam and the wide beam are separate beams; wherein requesting assignment comprises transmitting an indication of the at least one beam; and a transmitter that transmits the requests to a base station. 13. The mobile device as claimed in claim 43, wherein the device is at least one of a cellular phone, a smartphone, a handheld communication device, a handheld computing device, a satellite radio, a global positioning system, a laptop, and a PDA. ABSTRACT "ADAPTIVE SECTORIZATION IN CELLULAR SYSTEMS" Apparatuses and methodologies are described that enhance performance in a wireless communication system using beamforming transmissions. According to one aspect, a set of transmit beams are defined that simultaneously provides for space division multiplexing, multiple-input multiple output (MIMO transmission and opportunistic beamforming. The addition of a wide beam guarantees a minimum acceptable performance for all user devices. |
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2223-MUMNP-2007-CLAIMS(AMENDED)-(22-6-2012).pdf
2223-MUMNP-2007-CLAIMS(AMENDED)-(9-2-2012).pdf
2223-MUMNP-2007-CLAIMS(MARKED COPY)-(22-6-2012).pdf
2223-MUMNP-2007-CLAIMS(MARKED COPY)-(9-2-2012).pdf
2223-MUMNP-2007-CORRESPONDENCE 17-6-2008.pdf
2223-mumnp-2007-correspondence(13-5-2008).pdf
2223-MUMNP-2007-CORRESPONDENCE(25-8-2011).pdf
2223-MUMNP-2007-CORRESPONDENCE(9-4-2012).pdf
2223-mumnp-2007-correspondence-others.pdf
2223-mumnp-2007-description (complete).pdf
2223-MUMNP-2007-DRAWING(9-2-2012).pdf
2223-MUMNP-2007-EP DOCUMENT(9-2-2012).pdf
2223-MUMNP-2007-FORM 1(9-2-2012).pdf
2223-MUMNP-2007-FORM 13(22-6-2012).pdf
2223-MUMNP-2007-FORM 26(25-8-2011).pdf
2223-MUMNP-2007-FORM 3 17-6-2008.pdf
2223-MUMNP-2007-FORM 3(25-8-2011).pdf
2223-mumnp-2007-form 3(28-12-2007).pdf
2223-mumnp-2007-form-pct-ib-304.pdf
2223-mumnp-2007-form-pct-isa-237.pdf
2223-mumnp-2007-pct-search report.pdf
2223-MUMNP-2007-PETITION UNDER RULE 137(9-2-2012).pdf
2223-MUMNP-2007-REPLY TO EXAMINATION REPORT(9-2-2012).pdf
2223-MUMNP-2007-REPLY TO HEARING(22-6-2012).pdf
2223-MUMNP-2007-SPECIFICATION(AMENDED)-(22-6-2012).pdf
2223-MUMNP-2007-US DOCUMENT(9-2-2012).pdf
2223-mumnp-2007-wo international publication report(28-12-2007).pdf
| Patent Number | 253227 | ||||||||||||||||||
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| Indian Patent Application Number | 2223/MUMNP/2007 | ||||||||||||||||||
| PG Journal Number | 27/2012 | ||||||||||||||||||
| Publication Date | 06-Jul-2012 | ||||||||||||||||||
| Grant Date | 05-Jul-2012 | ||||||||||||||||||
| Date of Filing | 28-Dec-2007 | ||||||||||||||||||
| Name of Patentee | QUALCOMM INCORPORATED | ||||||||||||||||||
| Applicant Address | 5775 MOREHOUSE DRIVE, SAN DIEGO, CALIFORNIA 92121-1714, | ||||||||||||||||||
Inventors:
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| PCT International Classification Number | H04Q7/20 | ||||||||||||||||||
| PCT International Application Number | PCT/US2006/023514 | ||||||||||||||||||
| PCT International Filing date | 2006-06-15 | ||||||||||||||||||
PCT Conventions:
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