UNITED STATES PATENT AND TRADEMARK OFFICE
`
`
`
`UNITED STATES DEPARTMENT OF COMMERCE
`United States Patent and Trademark Office
`Add1ess:COM1\HSSIQ1\ER FUR PATENTS
`PO Box I450
`Alexandria, Vilgirljz 22313-1450
`wWw.uspIo.gov
`
`APPLICATION NUMBER
`
`F"-'N§A°T’S7I (C) GRP ART UNIT
`
`FIL FE
`
`E REC'D
`
`ATTY.DOCKET.NO
`
`TOT CLAIMS
`
`IND CLAIMS
`
`60/955,867
`
`08/14/2007
`
`200
`
`071794P2
`
`23696
`QUALCOMM INCORPORATED
`5775 MOREHOUSE DR.
`SAN DIEGO, CA92121
`
`CONFIRMATION NO. 7489
`
`FILING RECEIPT
`
`Date Mailed: 08/24/2007
`
`It will not be examined for patentability and
`Receipt is acknowledged of this provisional patent application.
`will become abandoned not later than twelve months after its filing date. Any correspondence concerning the
`application must include the following identification information: the U.S. APPLICATION NUMBER, FILING
`DATE, NAME OF APPLICANT, and TITLE OF INVENTION. Fees transmitted by check or draft are subject to
`collection. Please verify the accuracy of the data presented on this receipt.
`If an error is noted on this
`Filing Receipt, please write to the Office of Initial Patent Examination's Filing Receipt Corrections.
`Please provide a copy of this Filing Receipt with the changes noted thereon. If you received a "Notice
`to File Missing Parts" for this application, please submit any corrections to this Filing Receipt with
`your reply to the Notice. When the USPTO processes the reply to the Notice, the USPTO will generate
`another Filing Receipt incorporating the requested corrections
`
`Applicant(s)
`
`Masato Kitazoe, Tokyo, JAPAN;
`Francesco Grilli, La Jolla, CA;
`
`Power of Attorney: The patent practitioners associated with Customer Number 3696
`
`If Required, Foreign Filing License Granted: 08/23/2007
`
`The country code and number of your priority application, to be used for filing abroad under the Paris Convention, is
`US60/955,867
`
`Projected Publication Date: None, application is not eligible for pre-grant publication
`
`Non-Publication Request: No
`
`Early Publication Request: No
`
`Title
`
`METHOD AND APPARATUS FOR ENCRYPTING UPLINK SCHEDULED MESSAGE IN
`RANDOM ACCESS PROCEDURE
`
`PROTECTING YOUR INVENTION OUTSIDE THE UNITED STATES
`
`Since the rights granted by a U.S. patent extend only throughout the territory of the United States and have
`no effect in a foreign country, an inventor who wishes patent protection in another country must apply for a
`patent in a specific country or in regional patent offices. Applicants may wish to consider the filing of an
`international application under the Patent Cooperation Treaty (PCT). An international (PCT) application
`generally has the same effect as a regular national patent application in each PCT-member country. The
`PCT process simplifies the filing of patent applications on the same invention in member countries, but
`
`1
`
`APPLE 1013
`
`1
`
`APPLE 1013
`
`

`
`does not result in a grant of "an international patent" and does not eliminate the need of applicants to file
`additional documents and fees in countries where patent protection is desired.
`
`Almost every country has its own patent law, and a person desiring a patent in a particular country must
`make an application for patent in that country in accordance with its particular laws. Since the laws of many
`countries differ in various respects from the patent law of the United States, applicants are advised to seek
`guidance from specific foreign countries to ensure that patent rights are not lost prematurely.
`
`Applicants also are advised that in the case of inventions made in the United States, the Director of the
`USPTO must issue a license before applicants can apply for a patent in a foreign country. The filing of a U.S.
`patent application serves as a request for a foreign filing license. The application's filing receipt contains
`further information and guidance as to the status of applicant's license for foreign filing.
`
`Applicants may wish to consult the USPTO booklet, "General Information Concerning Patents" (specifically,
`the section entitled "Treaties and Foreign Patents") for more information on timeframes and deadlines for
`filing foreign patent applications. The guide is available either by contacting the USPTO Contact Center at
`800-786-9199, or it can be viewed on the USPTO website at
`http://www.uspto.gov/web/offices/pac/doc/general/Index.htmI.
`
`For information on preventing theft of your intellectual property (patents, trademarks and copyrights), you
`may wish to consult
`the U.S. Government website, http://www.stopfakes.gov. Part of a Department of
`Commerce initiative, this website includes self—help "toolkits" giving innovators guidance on how to protect
`intellectual property in specific countries such as China, Korea and Mexico. For questions regarding patent
`enforcement issues, applicants may call the U.S. Government hotline at 1—866—999-HALT (1-866-999-4158).
`
`LICENSE FOR FOREIGN FILING UNDER
`
`Title 35, United States Code, Section 184
`
`GRANTED
`
`Title 37, Code of Federal Regulations, 5.11 & 5.15
`
`if the phrase "IF REQUIRED, FOREIGN
`The applicant has been granted a license under 35 U.S.C. 184,
`FILING LICENSE GRANTED" followed by a date appears on this form. Such licenses are issued in all
`applications where the conditions for issuance of a license have been met, regardless of whether or not a
`license may be required as set forth in 37 CFR 5.15. The scope and limitations of this license are set forth in
`37 CFR 5.15(a) unless an earlier license has been issued under 37 CFR 5.15(b). The license is subject to
`revocation upon written notification. The date indicated is the effective date of the license, unless an earlier
`license of similar scope has been granted under 37 CFR 5.13 or 5.14.
`
`This license is to be retained by the licensee and may be used at any time on or after the effective date
`thereof unless it is revoked. This license is automatically transferred to any related app|ications(s) filed under
`37 CFR 1.53(d). This license is not retroactive.
`
`The grant of a license does not in any way lessen the responsibility of a licensee for the security of the
`subject matter as imposed by any Government contract or the provisions of existing laws relating to
`espionage and the national security or the export of technical data. Licensees should apprise themselves of
`current regulations especially with respect to certain countries, of other agencies, particularly the Office of
`Defense Trade Controls, Department of State (with respect to Arms, Munitions and Implements of War (22
`CFR 121-128)); the Bureau of Industry and Security, Department of Commerce (15 CFR parts 730-774); the
`Office of Foreign AssetsControI, Department of Treasury (31 CFR Parts 500+) and the Department of
`Energy.
`
`N T RANTED
`
`No license under 35 U.S.C. 184 has been granted at this time,
`
`if the phrase "IF REQUIRED, FOREIGN
`
`2
`
`

`
`FILING LICENSE GRANTED" DOES NOT appear on this form. Applicant may still petition for a license
`under 37 CFR 5.12,
`if a license is desired before the expiration of 6 months from the filing date of the
`application.
`If 6 months has lapsed from the filing date of this application and the licensee has not received
`any indication of a secrecy order under 35 U.S.C. 181, the licensee may foreign file the application pursuant
`to 37 CFR 5.15(b).
`
`3
`
`

`
`PTOISBI14 (06-07)
`Approved for use through 06f30l2007. OMB 0651-0032
`U.S. Patent and Trademark Office; U.S. DEPARTMENT OF COMMERCE
`Under the Paperwork Reduction Act of 1995, no persons are required to respond to a collection of information unless it contains a valid OMB control number.
`
`.
`.
`Application Data Sheet 37 CFR 1.76
`
`Title of Invention
`
`Application Number
`A METHOD AND APPARATUS FOR ENCRYPTING UPLINK SCHEDULED MESSAGE IN RANDOM ACCESS
`PROCEDURE
`
`The application data sheet is part of the provisional or nonprovisional application for which it is being submitted. The following form contains the
`bibliographic data arranged in a format specified by the United States Patent and Trademark Office as outlined in 37 CFR 1.76.
`This document may be completed electronically and submitted to the Office in electronic format using the Electronic Filing System (EFS) or the
`document may be printed and included in a paper filed application.
`
`Secrecy Order 37 CFR 5.2
`
`D Portions or all of the application associated with this Application Data Sheet may fall under a Secrecy Order pursuant to
`37 CFR 5.2 (Paper filers only. Applications that fall under Secrecy Order may not be filed electronically.)
`
`A a licant Information:
`
`A - licant 1
`
`Applicant Authority @|nventor OLega| Representative under 35 U.S.C. 117
`Prefix Given Name
`Middle Name
`
`OParty of Interest under 35 U.S.C. 118
`Family Name
`Suffix
`Kitazoe
`
`Residence Information (Select One) 0 US Residency @ Non US Residency 0 Active US Military Service
`
`City
`
`Tokyo
`
`Country Of Residencei
`
`JP
`
`Mailing Address of Applicant:
`
`Address 1
`Address 2
`
`P°sta'°°de
`A licant 2
`
`2-60-7 Kamiyugi Hachiouji-shi
`
`S*a*e'Pr°vi"°e
`
`Applicant Authority @|nventor OLega| Representative under 35 U.S.C. 117
`E “me Name
`Francesco
`
`OParty of Interest under 35 U.S.C. 118
`Fa"“'v Name
`fl
`
`Residence Information (Select One) @ US Residency 0 Non US Residency 0 Active US Military Service
`
`La Jolla
`
`StateIProvince
`
`Country of Residence i
`
`Citizenship under 37 CFR 1.41(b)i
`
`Mailing Address of Applicant:
`Address 1
`Addressz
`La J°"a
`5*a*e'Pr°vi"=e
`Postal Code
`
`Inventor Information blocks may be
`Inventors Must Be Listed - Additional
`All
`generated within this form by selecting the Add button.
`
`Correspondence Information:
`
`Enter either Customer Number or complete the Correspondence Information section below.
`For further information see 37 CFR 1.33(a).
`
`An Address is being provided for the correspondence Information of this application.
`
`EFS Web 2.1.2
`
`4
`
`

`
`PTOISBI14 (06-07)
`Approved for use through 06f30l2007. OMB 0651-0032
`U.S. Patent and Trademark Otfice; U.S. DEPARTMENT OF COMMERCE
`Under the Paperwork Reduction Act of 1995, no persons are required to respond to a collection of information unless it contains a valid OMB control number.
`
`Attorney Docket Number
`
`071794P2
`
`Application Data Sheet 37 CFR 1.76
`
`Application Number
`A METHOD AND APPARATUS FOR ENCRYPTING UPLINK SCHEDULED MESSAGE IN RANDOM ACCESS
`PROCEDURE
`
`Title of Invention
`
`Customer Number
`
`Email Address
`
`us—docketing@qua|comm.com
`
`Add Email
`
`Application Information:
`A METHOD AND APPARATUS FOR ENCRYPTING UPLINK SCHEDULED MESSAGE IN RANDOM
`ACCESS PROCEDURE
`
`Title of the Invention
`
`Attorney Docket Number 071794P2
`
`Application Type
`
`Provisional
`
`Subject Matter
`Suggested Class (if any)
`Suggested Technology Center (if any)
`
`Utility
`
`Small Entity Status Claimed
`
`|:
`
`Sub Class (ifany)
`
`Total Number of Drawing Sheets (if any)
`
`Suggested Figure for Publication (if any)
`
`Publication Information:
`
`Request Early Publication (Fee required at time of Request 37 CFR 1 .219)
`
`Request N01: ‘I20 Publish. I hereby request that the attached application not be published under 35 U.S.
`C. 122(b) and certify that the invention disclosed in the attached application has not been and will not be the
`subject of an application filed in another country, or under a multilateral agreement, that requires publication at
`eighteen months after filing.
`
`Representative Information:
`
`Representative information should be provided for all practitioners having a power of attorney in the application. Providing
`this information in the Application Data Sheet does not constitute a power of attorney in the application (see 37 CFR 1.32).
`Enter
`either Customer Number
`or
`complete
`the
`Representative Name
`section
`below.
`If
`both
`are completed the Customer Number will be used for the Representative Information during processing.
`
`sections
`
`Please Select One:
`Customer Number
`
`@ Customer Number
`23696
`
`0 US Patent Practitioner 0 US Representative (37 CFR 11.9)
`
`Domestic Priority Information:
`This section allows for the applicant to claim benefit under 35 U.S.C. 119(e), 120, 121, or 365(0). Providing this information in the
`application data sheet constitutes the specific reference required by 35 U.S.C. 119(e) or 120, and 37 CFR 1.78(a)(2) or CFR 1.78(a)
`(4), and need not othenivise be made part of the specification.
`
`Prior Application Status
`
`Additional Domestic Priority Data may be generated within this form by selecting
`the Add button.
`
`Foreign Priority Information:
`EFS Web 2.1.2
`
`5
`
`

`
`PTOISBI14 (06-07)
`Approved for use through 0613072007. OMB 0651-0032
`U.S. Patent and Trademark Office; U.S. DEPARTMENT OF COMMERCE
`Under the Paperwork Reduction Act of 1995, no persons are required to respond to a collection of information unless it contains a valid OMB control number.
`
`_
`_
`Application Data Sheet 37 CFR 1.76
`
`Attorney Docket Number
`
`071794P2
`
`Title of Invention
`
`Application Number
`A METHOD AND APPARATUS FOR ENCRYPTING UPLINK SCHEDULED MESSAGE IN RANDOM ACCESS
`PROCEDURE
`
`This section allows for the applicant to claim benefit of foreign priority and to identify any prior foreign application for which priority is
`not claimed. Providing this information in the application data sheet constitutes the claim for priority as required by 35 U_S_C_ 119(b)
`and 37 CFR 1.55(a).
`
`Application Number
`
`Parent Filing Date (YYYY-MM-DD)
`
`Priority Claimed
`
`@ Yes O No
`
`Additional Foreign Priority Data may be generated within this form by selecting the
`Add button.
`
`Assignee Information:
`Providing this information in the application data sheet does not substitute for compliance with any requirement of part 3 of Title 37
`of the CFR to have an assignment recorded in the Office.
`
`Assignee1
`If the Assignee is an Organization check here.
`
`Organization Name
`
`QUALCOMM Incorporated
`
`Mailing Address Information:
`Address 1
`5775 Morehouse Drive
`
`Address 2
`
`City
`
`Country i
`Phone Number
`
`San Diego
`
`StateIProvince
`
`Postal Code
`Fax Number
`
`Email Address
`
`us-docketing@qua|comm.com
`
`Additional Assignee Data may be generated within this form by selecting the Add
`button.
`
`Signature:
`
`A signature of the applicant or representative is required in accordance with 37 CFR 1.33 and 10.18. Please see 37
`CFR 1.4(d) for the form of the signature.
`Date (YYYY-MM—DD)
`lMilan Patel!
`“"i'a"Pa*e' 3 Re9‘S"a”°"N“mbei
`
`2007-08-14
`‘"242
`
`This collection of information is required by 37 CFR 1.76. The information is required to obtain or retain a benefit by the public which
`is to file (and by the USPTO to process) an application. Confidentiality is governed by 35 U_S_C_ 122 and 37 CFR 1.14. This
`collection is estimated to take 23 minutes to complete, including gathering, preparing, and submitting the completed application data
`sheet form to the USPTO. Time will vary depending upon the individual case. Any comments on the amount oftime you require to
`complete this form and/or suggestions for reducing this burden, should be sent to the Chief Information Officer, U.S. Patent and
`Trademark Office, U.S. Department of Commerce, P.O. Box 1450, Alexandria, VA 22313-1450. DO NOT SEND FEES OR
`COMPLETED FORMS TO THIS ADDRESS. SEND TO: Commissioner for Patents, P.O. Box 1450, Alexandria, VA 22313-1450.
`
`EFS Web 2.1.2
`
`6
`
`

`
`Privacy Act Statement
`
`The Privacy Act of 1974 (P.L. 93-579) requires that you be given certain information in connection with your submission of the attached form related to
`a patent application or patent. Accordingly, pursuant to the requirements of the Act, please be advised that:
`(1) the general authority for the collection
`of this information is 35 U.S.C. 2(b)(2); (2) furnishing of the information solicited is voluntary; and (3) the principal purpose for which the information is
`used by the U.S. Patent and Trademark Office is to process andlor examine your submission related to a patent application or patent.
`If you do not
`furnish the requested information, the U.S. Patent and Trademark Office may not be able to process and/or examine your submission, which may
`result in termination of proceedings or abandonment of the application or expiration of the patent.
`
`The information provided by you in this form will be subject to the following routine uses:
`
`1.
`
`The information on this form will be treated confidentially to the extent allowed under the Freedom of Information Act (5 U.S.C. 552)
`and the Privacy Act (5 U.S.C. 552a). Records from this system of records may be disclosed to the Department of Justice to determine
`whether the Freedom of Information Act requires disclosure of these records.
`
`A record from this system of records may be disclosed, as a routine use, in the course of presenting evidence to a court, magistrate, or
`administrative tribunal, including disclosures to opposing counsel in the course of settlement negotiations.
`
`A record in this system of records may be disclosed, as a routine use, to a Member of Congress submitting a request involving an
`individual, to whom the record pertains, when the individual has requested assistance from the Member with respect to the subject matter of
`the record.
`
`A record in this system of records may be disclosed, as a routine use, to a contractor of the Agency having need for the information in
`order to perform a contract. Recipients of information shall be required to comply with the requirements ofthe Privacy Act of 1974, as
`amended, pursuant to 5 U.S.C. 552a(m).
`
`A record related to an International Application filed under the Patent Cooperation Treaty in this system of records may be disclosed,
`as a routine use, to the International Bureau of the World Intellectual Property Organization, pursuant to the Patent Cooperation Treaty.
`
`A record in this system of records may be disclosed, as a routine use, to another federal agency for purposes of National Security
`review (35 U.S.C. 181) and for review pursuant to the Atomic Energy Act (42 U.S.C. 218(c)).
`
`A record from this system of records may be disclosed, as a routine use, to the Administrator, General Services, or hislher designee,
`during an inspection of records conducted by GSA as part of that agency's responsibility to recommend improvements in records
`management practices and programs, under authority of 44 U.S.C. 2904 and 2906. Such disclosure shall be made in accordance with the
`GSA regulations governing inspection of records for this purpose, and any other relevant (i_e_, GSA or Commerce) directive. Such
`disclosure shall not be used to make determinations about individuals.
`
`A record from this system of records may be disclosed, as a routine use, to the public after either publication of the application pursuan
`to 35 U.S.C. 122(b) or issuance of a patent pursuant to 35 U.S.C. 151. Further, a record may be disclosed, subject to the limitations of 37
`CFR 1.14, as a routine use, to the public if the record was filed in an application which became abandoned or in which the proceedings were
`terminated and which application is referenced by either a published application, an application open to public inspections or an issued
`patent.
`
`A record from this system of records may be disclosed, as a routine use, to a Federal, State, or local law enforcement agency, if the
`USPTO becomes aware of a violation or potential violation of law or regulation.
`
`EFS Web 2.1.2
`
`7
`
`

`
`071 794P2
`
`A METHOD AND APPARATUS FOR ENCRYPTING UPLINK SCHEDULED
`MESSAGE IN RANDOM ACCESS PROCEDURE
`
`[0001] Wireless communication systems are widely deployed to provide various types of
`
`communication content such as voice, data, and so on. These systems may be multiple—aeeess
`
`systems capable of supporting communication with multiple users by sharing the available
`
`system resources (e.g., bandwidth and transmit power). Examples of such 1nultiple—access
`
`systems include code division multiple access (CDMA) systems,
`
`time division multiple
`
`access (TDMA) systems, frequency division multiple access (FDMA) systems, 3GPP Long
`
`Term Evolution (LTE)
`
`systems, and orthogonal
`
`frequency division multiple access
`
`(OFDMA) systems.
`
`[0002] Generally, a wireless multiple—aeeess communication system can simultaneously support
`
`communication for multiple wireless terminals. Each terminal communicates with one or
`
`more base stations via transmissions 011 the forward a11d reverse links. The forward li11k (or
`
`downlink) refers to the communication link from the base stations to the terminals, and the
`
`reverse link (or uplink) refers to the communication link from the terminals to the base
`
`stations. This communication link may be established via a single-in-single-out, multiple-in-
`
`signal—out or a multiple-in—multiple—out (MIMO) system.
`
`[0003] A MIMO system employs multiple (NT) transmit antennas and multiple (NR) receive
`
`antennas for data transmission. A MIMO channel formed by the NT transmit and NR receive
`
`antennas may be decomposed i11to N5 independent channels, which are also referred to as
`
`spatial channels, where NS S rnin{NT_, NR}. Each of the ]\/'3
`
`independent channels
`
`corresponds to a dimension. The MIMO system can provide improved performance (e.g.,
`
`higher throughput and/or greater reliability) if the additional dimensionalities created by the
`
`multiple transmit and receive antennas are utilized.
`
`[0004] A MIMO system supports a time division duplex (TDD) and frequency division duplex
`
`(FDD) systems. In a TDD system, the forward and reverse link transmissions are on the same
`
`frequency region so that the reciprocity principle allows the estimation of the forward link
`
`channel from the reverse link channel. This enables the access point to extract transmit
`
`beamforming gain on the forward link when multiple antennas are available at the access
`
`point.
`
`8
`
`

`
`071794P2
`
`BRIEF DESCRIPTION OF THE DRAWINGS
`
`[0005] The features, nature, and advantages of the present disclosure will become more apparent
`
`from the detailed description set forth below when taken in conjunction with the drawings in
`
`which like reference characters identify correspondingly throughout and wherein:
`
`[0006] Fig.
`
`1
`
`illustrates a multiple access wireless communication system according to one
`
`embodiment;
`
`[0007] FIG. 2 a block diagram of a communication system;
`
`DESCRIPTION
`
`[0008] The techniques described herein may be used for various wireless communication
`
`networks such as Code Division Multiple Access (CDMA) networks, Time Division Multiple
`
`Access
`
`(TDMA) networks, Frequency Division Multiple Access
`
`(FDMA) networks,
`
`Orthogonal FDMA (OFDMA) networks, Single-Carrier FDMA (SC-FDMA) networks, etc.
`
`The tenns “networks” and “systems” are often used interchangeably. A CDMA network may
`
`implement a radio technology such as Universal Terrestrial Radio Access
`
`(UTRA),
`
`cdma2000, etc. UTRA includes Wideband—CDMA (W—CDMA) and Low Chip Rate (LCR).
`
`cdma2000 covers IS—2000, IS—95 and IS—856 standards. A TDMA network may implement a
`
`radio technology such as Global System for Mobile Communications (GSM). An OFDMA
`
`network may implement a radio technology such as Evolved UTRA (E-UTRA), IEEE
`
`802.11, IEEE 802.16, IEEE 802.20, Flash—OFDM®, etc. UTRA, E—UTRA, and GSM are
`
`part of Universal Mobile Telecommunication System (UMTS). Long Term Evolution (LTE)
`
`is an upcoming release of UMTS that uses E-UTRA. UTRA, E-UTRA, GSM, UMTS and
`
`LTE are described in documents from an organization named “3rd Generation Partnership
`
`Project” (3GPP).
`
`cdma2000 is described in documents from an organization named “3rd
`
`Generation Partnership Project 2” (3GPP2). These various radio technologies and standards
`
`are known in the art. For clarity, certain aspects of the techniques are described below for
`
`LTE, and LTE terminology is used in much of the description below.
`
`[0009] Single carrier frequency division multiple access (SC-FDMA), which utilizes single
`
`carrier modulation and frequency domain equalization is a technique. SC-FDMA has similar
`
`performance and essentially the same overall complexity as those of OFDMA system. SC-
`
`FDMA signal has lower peak—to—average power ratio (PAPR) because of its inherent single
`
`carrier
`
`structure. SC-FDMA has drawn great
`
`attention,
`
`especially in the uplink
`
`communications where lower PAPR greatly benefits the mobile terminal in terms of transmit
`
`2:'1‘i
`
`9
`
`

`
`071794P2
`
`power efficiency. It is currently a working assumption for uplink multiple access scheme in
`
`3GPP Long Term Evolution (LTE), or Evolved UTRA.
`
`[0010] Referring to Fig. 1, a multiple access wireless communication system according to one
`
`embodiment is illustrated. A access point 100 (AP) includes multiple antenna groups, one
`
`including 104 and 106, another including 108 and 110, and an additional including 112 and
`
`114. In Fig. 1, only two antennas are shown for each antenna group, however, more or fewer
`
`antennas may be utilized for each antenna group. Access terminal 116 (AT)
`
`is in
`
`communication with antennas 112 and 114, where antennas 112 and 114 transmit information
`
`to access terminal 116 over forward link 120 and receive information from access terminal
`
`116 over reverse link 1 18. Access terminal 122 is in communication with antennas 106 and
`
`108, where antennas 106 and 108 transmit information to access terminal 122 over forward
`
`link 126 and receive information from access terminal 122 over reverse link 124. In a FDD
`
`system, co1n111unicatio11 links 118, 120, 124 a11d 126 may use different frequency for
`
`communication. For example, forward link 120 may use a different frequency then that used
`
`by reverse link 118.
`
`[0011] Each group of antennas and/or the area in which they are designed to communicate is
`
`often referred to as a sector of the access point.
`
`In the embodiment, antenna groups each are
`
`designed to communicate to access terminals in a sector , of the areas covered by access point
`
`100.
`
`[0012]
`
`In communication over forward links 120 and 126, the transmitting antennas of access
`
`poi11t 100 utilize bea111for111ing i11 order to improve the signal-to-noise ratio of forward links
`
`for the different access terminals 116 and 124. Also, an access point using beamforming to
`
`transmit to access terminals scattered randomly through its coverage causes less interference
`
`to access terminals in neighboring cells than an access point transmitting through a single
`
`antenna to all its access terminals.
`
`[0013] An access point may be a fixed station used for communicating with the terminals and
`
`may also be referred to as an access point, a Node B, or some other terminology. An access
`
`terminal may also be called an access
`
`terminal, user equipment
`
`(UE),
`
`a wireless
`
`communication device, terminal, access terminal or some other terminology.
`
`[0014] FIG. 2 is a block diagram of an embodiment of a transmitter system 210 (also known as
`
`the access point) and a receiver system 250 (also known as access terminal) in a MIMO
`
`10
`
`

`
`071794P2
`
`system 200. At the transmitter system 210,
`
`traffie data for a number of data streams is
`
`provided from a data source 212 to a transmit (TX) data processor 214.
`
`[0015]
`
`In an embodiment, each data stream is transmitted over a respective transmit antenna.
`
`TX data processor 214 formats, codes, and interleaves the traffic data for each data stream
`
`based on a particular coding scheme selected for that data stream to provide coded data.
`
`[0016] The coded data for each data stream may be multiplexed with pilot data using OFDM
`
`techniques. The pilot data is typically a known data pattern that is processed in a known
`
`manner and may be used at the receiver system to estimate the channel response. The
`
`multiplexed pilot a11d coded data for each data stream is then modulated (i.e., symbol
`
`mapped) based on a particular modulation scheme (e.g., BPSK, QSPK, M—PSK, or M-QAM)
`
`selected for that data stream to provide modulation symbols. The data rate, coding, and
`
`modulation for each data stream may be determined by instructions performed by processor
`
`230.
`
`[0017] The modulation symbols for all data streams are then provided to a TX MIMO processor
`
`220, which may further process the modulation symbols (e. g., for OFDM). TX MIMO
`
`processor 220 then provides NT modulation symbol streams to NT transmitters (TMTR) 222a
`
`through 222t.
`
`In certain embodiments, TX MIMO processor 220 applies beamforrning
`
`weights to the symbols of the data streams and to the antenna from which the symbol is being
`
`transmitted.
`
`[0018] Each transmitter 222 receives and processes a respective symbol stream to provide one or
`
`more analog signals, and further conditions (eg, amplifies, filters, and upconverts) the
`
`analog signals to provide a modulated signal suitable for transmission over the MIMO
`
`channel. NT modulated signals from transmitters 222a through 222t are then transmitted from
`
`NT antennas 224a through 224t, respectively.
`
`[0019] At receiver system 250, the transmitted modulated signals are received by NR antennas
`
`252a through 252r and the received signal from each antenna 252 is provided to a respective
`
`receiver (RCVR) 254a through 254r. Each receiver 254 conditions (e.g., filters, amplifies,
`
`and downconverts) a respective received signal, digitizes the conditioned signal to provide
`
`samples, and further processes the samples to provide a corresponding “received” symbol
`stream.
`
`[0020] An RX data processor 260 then receives and processes the NR received symbol streams
`
`from NR receivers 254 based on a particular receiver processing technique to provide NT
`
`4:'1‘i
`
`11
`
`

`
`071794P2
`
`“detected” symbol streams. The RX data processor 260 then demodulates, deinterleaves, and
`
`decodes each detected symbol stream to recover the traffic data for the data stream. The
`
`processing by RX data processor 260 is complementary to that performed by TX MIMO
`
`processor 220 and TX data processor 214 at transmitter system 210.
`
`[0021] A processor 270 periodically determines which pre—coding matrix to use (discussed
`
`below). Processor 270 formulates a reverse link message comprising a matrix index portion
`
`and a rank value portion.
`
`[0022] The reverse link message may comprise various types of information regarding the
`
`communication link and/or the received data stream. The reverse link message is then
`
`processed by a TX data processor 23 8, which also receives traffic data for a number of data
`
`streams from a data source 236, modulated by a modulator 280, conditioned by transmitters
`
`254a through 254r, and transmitted back to transmitter system 210.
`
`[0023] At transmitter system 210, the modulated signals from receiver system 250 are received
`
`by antennas 224, conditioned by receivers 222, demodulated by a demodulator 240, and
`
`processed by a RX data processor 242 to extract the reserve link message transmitted by the
`
`receiver system 250. Processor 230 then determines which pre-codirrg matrix to use for
`
`determining the beamforrning weights then processes the extracted message.
`
`[0024]
`
`In an aspect, logical channels are classified into Control Channels and Traffic Channels.
`
`Logical Control Channels comprises Broadcast Control Channel (BCCH) which is DL
`
`channel for broadcasting system control information. Paging Control Channel (PCCH) which
`
`is DL channel that transfers paging information. Multicast Control Channel (MCCH) which is
`
`Point-to-multipoint DL channel used for transmitting Multimedia Broadcast and Multicast
`
`Service (MBMS) scheduling and control information for one or several MTCI-ls. Generally,
`
`after establishing RRC connection this channel is only used by UEs that receive MBMS
`
`(Note: old MCCI-I+MSCI-I). Dedicated Control Channel
`
`(DCCI-I)
`
`is Point—to—point bi-
`
`directional channel that transmits dedicated control information and used by UEs having an
`
`RRC connection. In aspect, Logical Traffrc Channels compries a Dedicated Traffic Channel
`
`(DTCH) which is Point-to-point bi-directional channel, dedicated to one UE, for the transfer
`
`of user information. Also, a Multicast Traffrc Channel (MTCH) for Point-to-multipoint DL
`
`channel for transmitting traffic data.
`
`[0025]
`
`In an aspect, Transport Channels are classified into DL and UL. DL Transport Channels
`
`comprises a Broadcast Channel (BCI-I), Downlink Shared Data Channel (DL—SDCH) and a
`
`12
`
`

`
`071 794P2
`
`Paging Channel (PCH), the PCH for support of UE power saving (DRX cycle is indicated by
`
`the network to the UE), broadcasted over entire cell and mapped to PHY resources which
`
`can be used for other control/traffic
`
`channels. The UL Transport Channels comprises a
`
`Random Access Channel (RACH), a Request Channel (REQCH), a Uplink Shared Data
`
`Channel (UL-SDCH) and pluarlity of PHY channels. The PHY channels comprises a set of
`
`DL channels a11d UL channels.
`
`[0026] The DL PHY channels comprises:
`
`Common Pilot Channel (CPICH)
`
`Synchronization Channel (SCH)
`
`Common Control Channel (CCCH)
`
`Shared DL Control Channel (SDCCH)
`
`Multicast Control Channel (MCCH)
`
`Shared UL Assignment Channel (SUACH)
`
`Acknowledgement Channel (ACKCH)
`
`DL Physical Shared Data Channel (DL—PSDCH)
`
`UL Power Control Channel (UPCCH)
`
`Paging