ERIC-1010
`Ericsson v IV
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`Application/Control Number: 10/583,534
`Art Unit: 2461
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`Page 2
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`EXAMINER'S AMENDMENT
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`An examiner's amendment to the record appears below. Should the changes
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`and/or additions be unacceptable to applicant, an amendment may be filed as provided
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`by 37 CFR 1.312. To ensure consideration of such an amendment, it MUST be
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`submitted no later than the payment of the issue fee.
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`Authorization for this examiner's amendment was given in a telephone interview
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`with Mr. Christopher Daly-Watson on 04/20/2010.
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`See attached Examiner's Amendment.
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`Information Disclosure Statement
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`The information disclosure statement (IDS) submitted on 03/23/2010 was filed
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`after the mailing date of the Amendment After Final on 03/03/2010 and before Notice of
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`Allowability. The submission is in compliance with the provisions of 37 CFR 1.97.
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`Accordingly, the information disclosure statement is being considered by the examiner.
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`Response to Amendment
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`Applicant's request for reconsideration of the finality of the rejection of the last
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`Office action is persuasive and, therefore, the finality of that action is withdrawn.
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`The Amendment After Final filed 03/03/2010 is NOT entered.
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`Allowable Subject Matter
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`Claims 1, 2, 6, 8, 11, 13 and 22-42 are allowed.
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`The following is an examiner's statement of reasons for allowance: van Nee (US
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`Patent No. 6, 175,550) discloses a variable bandwidth system by adjusting the number
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`of subcarriers. Vanderaar et al. (US PGPub 2007/0208884) discloses a primary
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`Application/Control Number: 10/583,534
`Art Unit: 2461
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`Page 3
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`channel with a central channel in which dynamic link assignment is constrained in the
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`central channel to maintain synchronization. Campanella (US Patent No. 5,864,546)
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`(not previously cited) discloses one or more preambles transmitted across multiple
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`channels, for instance, a central channel transmits a primary preamble and a channel,
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`which is not the central channel, transmitting portions of the auxiliary preamble
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`combinable with a preamble in the central channel to make a full bandwidth preamble.
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`Claims 1, 2, 6, 8, 11, 13 and 22-42 are allowable over the prior art because the
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`prior art taken individually or in combination fails to particularly disclose, fairly suggest,
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`or render obvious as argued by the Applicant which Examiner considers persuasive:
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`In a variable bandwidth wireless communication system communicating under
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`multiple different communication schemes that each have a different bandwidth, a
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`process performed by a base station of generating an information bearing signal for
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`wireless transmission, the process comprising:
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`utilizing by the base station a number of subcarriers to construct a variable
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`bandwidth wireless channel;
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`utilizing by the base station groups of subcarriers, wherein each group includes a
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`plurality of subcarriers;
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`maintaining a fixed spacing between adjacent subcarriers;
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`adding or subtracting, by the base station, groups of subcarriers to scale the
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`variable bandwidth wireless channel and achieve an operating channel
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`bandwidth; and
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`wherein a core-band, including a plurality of subcarrier groups, substantially
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`centered at an operating center frequency of the different communication
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`schemes, is utilized by the base station as a broadcast channel carrying
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`radio control and operation signalling, where the core-band is substantially
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`Application No. 10/583,534
`Reply to Office Action of January 7, 2010
`
`Docket No.: 320529496US1
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`Amendments to the Claims:
`
`1.
`
`(Currently Amended)
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`In a variable bandwidth wireless communication
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`system communicating under multiple different communication schemes that each have
`
`a different bandwidth, a process performed by a base station of generating an
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`information bearing signal for wireless transmission, the process comprising:
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`utilizing by the base station a number of subcarriers to construct a variable
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`bandwidth wireless channel;
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`utilizing by the base station groups of subcarriers, wherein each group includes a
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`plurality of subcarriers;
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`maintaining a fixed spacing between adjacent subcarriers;
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`adding or subtracting, by the base station, groups of subcarriers to scale the
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`variable bandwidth wireless channel and achieve an operating channel
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`bandwidth; and
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`wherein a core-band, including a plurality of subcarrier groups, substantially
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`centered at an operating center frequency of the different communication
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`schemes, is utilized by the base station as a broadcast channel carrying
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`radio control and operation signalingsiqnalling, where the core-band is
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`substantially not wider than a smallest possible operating channel
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`bandwidth of the system~ and
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`wherein the information bearing signal has a primary preamble sufficient for basic
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`radio oQeration, and wherein:
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`the 2rimary .Qreamble is a direct seguence in the time domain with a
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`frequency content confined within
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`the core-band. or
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`is an
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`orthogonal
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`freguency-divisional multi.Qlexing
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`(OFDM) symbol
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`corresponding to a particular frequency pattern within the core(cid:173)
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`band; and
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`wherein properties of the primary preamble comprise:
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`32052-9496.US01/LEGAL 17969236.1
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`-2-
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`Application No. 10/583,534
`Reply to Office Action of January 7, 2010
`
`Docket No.: 320529496US1
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`an autocorrelation having a large correlation _geak with resQect to
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`sidelobes;
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`a cross-correlation with other primary preambles having a small
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`cross-correlation coefficient with respect to power of 0U1er
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`primary preambles; and
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`a small Qeak-to-avera_ge ratio; and
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`wherein a large number of primary preamble sequences exhibit the
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`properties.
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`2.
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`(Previously Presented) The process of claim 1, wherein the information
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`bearing signal is:
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`an orthogonal frequency division multiple access (OFDMA) signal; and is
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`utilized in a downlink_with a duplexing technique that is either Time Division
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`Duplexing (TDD) or Frequency Division Duplexing (FDD).
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`3-5.
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`(Canceled)
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`6.
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`(Currently Amended)
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`In a variable bandwidth communication network of
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`base stations and mobile stations, wherein a signal comprises groups of subcarriers
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`and each group includes a plurality of subcarriers, a method performed by a mobile
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`station comprising:
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`maintaining a fixed spacing between adjacent subcarriers;
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`adjusting a number of groups of subcarriers to scale a channel and attain an
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`operational bandwidth;
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`utilizing a core-band, substantially centered at an operating center frequency to
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`carry synchronization information, wherein the core-band is narrower than
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`or equal to a smallest possible operating channel bandwidth of the
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`network and the signal includes a primary preamble sufficient to enable
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`radio operations, the primary preamble including a direct sequence in the
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`32052-9496.US01/LEGAL 17969236.1
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`-3-
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`Application No. 10/583,534
`Reply to Office Action of January 7, 2010
`
`Docket No.: 320529496US1
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`time domain with a freguency_ content confined within the core-band or
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`including an OFDM sy:mbol corresp_onding
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`to a p_articular freguency:
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`pattern within the core-band;
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`wherein properties of the primary preamble comprise:
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`an autocorrelation having a large correlation peak with respect to
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`sidelobes;
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`a cross-correlation with other primary preambles having a small
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`cross-correlation coefficient with resgect to gower of other
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`grimar.v p_reambles; and
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`a small peak-to-average ratio; and
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`wherein a large number of grimary: greamble seguences exhibit the
`properties; and
`scanning spectral bands of different center frequencies and detecting the
`synchronization information
`in the core-band of the operating center
`frequency and decoding a broadcast channel carrying radio control and
`operation signalling provided by a base station to the mobile station via
`the core-band.
`
`7.
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`(Canceled)
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`(Previously Presented) The method of claim 6, wherein the signal is an
`8.
`orthogonal frequency division multiple access (OFDMA) signal, and the signal is utilized
`in a downlink with a duplexing technique that is either Time Division Duplexing (TDD) or
`Frequency Division Duplexing (FDD).
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`32052-9496.US01/LEGAL 17969236.1
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`-4-
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`Application No. 10/583,534
`Reply to Office Action of January 7, 2010
`
`Docket No.: 320529496US1
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`allege that applicants' specification "does not disclose that the core-band is composed
`of a plurality of subcarrier groups." Applicants respectfully disagree.
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`With respect to the rejection of claim 1, applicants respectfully submit that the
`features alleged to be unsupported by applicants' specification are fully supported by at
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`least paragraph [0022] and paragraph (0033] of applicants' disclosure. As merely one
`non-limiting example of the how these features are fully supported by applicants'
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`disclosure, applicants respectfully note that paragraph (0022] states that "[t]he data
`subcarriers can be arranged into groups called subchannels to support scalability and
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`multiple-access." Further, paragraph (0033] states that "[i]n one embodiment, relevant
`or essential radio control signals such as preambles, ranging signals, bandwidth
`In
`request, and/or bandwidth allocation are transmitted within the [core-band] CB.
`addition to the essential control channels, a set of data channels and their related
`dedicated control channels are placed within the CB to maintain basic radio operation."
`(Emphasis added.)
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`Based at least upon paragraph [0033]'s discussion of data channel§ being within
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`a core-band, and paragraph [0022]'s discussion of data subcarriers being arranged into
`groups, applicants respectfully submit that their disclosure clearly supports "a core(cid:173)
`band, including a plurality of subcarrier groups" as recited by claim 1 and thus request
`that the 35 U.S.C. § 112 rejection be withdrawn.
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`Applicants also respectfully submit that the similar rejections of independent
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`claims 11, 22, 27, 32, and 37 should be withdrawn for at least similar reasons. As the
`remaining claims rejected under 35 U.S.C. § 112 depend from the above-discussed
`independent claims, applicants also respectfully request that the 35 U.S.C. § 112
`rejection of these claims be withdrawn.
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`B.
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`Response to Rejections under 35 U.S.C. § 103
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`Claims 1, 2, 6, 8, 11, 13, and 22-41 were rejected under 35 U.S.C. § 103(a) as
`allegedly unpatentable over combinations of van Nee, Vanderaar, McGovern, and Kim.
`-13-
`32052-9496.US01/LEGAL17541682.1
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`Application No. 10/583,534
`Reply to Office Action of April 28, 2009
`
`Docket No.: 320529496US1
`
`AMENDMENTS TO THE CLAIMS
`
`1.
`
`(Currently Amended)
`
`In a variable bandwidth wireless communication
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`system sapable of communicating under multiple different communication schemes that
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`each have a different bandwidth, a process performed by a base station of generating.
`
`an information bearing signal for wireless transmission, the process comprising:
`
`utilizing by the base station a spesified number of subcarriers to construct a
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`variable bandwidth wireless channel with a partisular bandwidth;
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`utilizing by the base station groups of subcarriers. wherein each group includes a
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`plurality subshannels that inslude groups of subcarriers;
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`providing a fixed time domain signal struoture, insluding symbol length;
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`maintaining a substantially sonstant ratio betv.men a sampling frequensy and a
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`size of FFT (Fast Fourier Transform) and IFFT (Inverse Fast Fourier
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`Transform) or a fixed spacing between adjacent subcarriers;
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`adding or subtracting. by the base station. groups of some of the subcarriers 9f
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`subshannels to scale the variable bandwidth wireless channel and achieve
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`a required an operating channel bandwidth; and
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`wherein a core-band. including a plurality of subcarrier groups, substantially
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`centered at an operating center frequency of the different communication
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`schemes, is utilized for utilized by the base station as a broadcast channel
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`carrying radio control and operation signaling, where the core-band is
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`substantially not wider than a smallest possible operating channel
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`bandwidth of the system.
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`2.
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`(Currently Amended) The process of claim 1, wherein the wireless
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`information bearing signal is:
`
`transmitted by a mobile station in a multi sell, multi base station environment;
`
`a multi sarrier sode division multiple assess (MC CDMA) or an orthogonal
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`frequency division multiple access (OFDMA) signal; and-1.§
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`32052-9496.US01/LEGAL16141363.1
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`-2-
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`Application No. 10/583,534
`Reply to Office Action of April 28, 2009
`
`Docket No.: 320529496US1
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`Applicants also submit that applicants' use of "substantially" is definite under
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`§ 112, second paragraph due at least to limitations of the English language as well as
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`real-world technological limitations. For instance, applicants' phrase "a core band ...
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`substantially centered at an operating center frequency[,]" and similar, balance clarity
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`with the fact that real-world systems have process and operational tolerances whereby
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`a core-band may not be exactly centered at an operating center frequency despite
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`efforts to center the core band at the operating center frequency. Accordingly, one of
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`ordinary skill in the relevant art would understand applicants' use of "substantially" in the
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`Further,
`in at least two cases,
`the Federal Circuit determined
`above claims.
`"substantially" to be definite. (See, e.g., Playtex Products Inc. v. Procter & Gamble Co.,
`73 USPQ.2d 2010 and Dana Corp. v. American Axle & Manufacturing Inc., 61 USPQ.2d
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`1609.)
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`If Examiners Sekul or Mattis believes that additional discussions would be
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`beneficial, they are encouraged to contact the undersigned at (206) 359-8000.
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`A.
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`Allowable Subject Matter
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`Applicants appreciate the Examiner's recognition of allowable subject matter with
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`respect to original claims 3-4, 9, and 16. However, claims 3-4, 9, and 16 are canceled
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`and applicants respectfully submit that each of the now pending claims is allowable for
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`at least the reasons discussed below.
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`B.
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`Response to Objections to the Drawings
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`In the Office Action, Figures 1-5 were objected to as not being labeled as -prior
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`art-. Ten replacement sheets are provided by which "Prior Art" labels are added to
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`Figures 1-5, gray-scale shading in the various figures is changed to black and white
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`patterns, and the labeling of Figure 8 is clarified. Although "Prior Art" labels are added
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`to Figures 1-5, applicants do not concede that the text corresponding to figures 1-5 are
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`prior art. Rather, applicants respectfully submit that at least some aspects of the text
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`corresponding to Figures 1-5 are not prior art.
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`32052-9496. USO l/LEGALl 6141363. l
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`-13-
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`WO 2005/112566
`
`PCT /US2005/014828
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`CLAIMS
`
`We claim:
`
`In a variable bandwidth wireless communication system capable
`1.
`of communicating under multiple different communication schemes that each have a
`different bandwidth, a process of generating an information bearing signal for
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`wireless transmission, the process comprising:
`utilizing a specified number of subcarriers to construct a channel with a
`particular bandwidth;
`utilizing subchannels that include groups of subcarriers;
`providing a fixed time-domain signal structure, including symbol length;
`maintaining a substantially constant ratio between a sampling frequency
`and a size of FFT (Fast Fourier Transform) and IFFT (Inverse
`Fast Fourier Transform) or a fixed spacing between adjacent
`
`subcarriers;
`adding or subtracting some of the subcarriers or subchannels to scale
`the channel and achieve a required bandwidth; and
`wherein a core-band, substantially centered at an operating center
`frequency of the different communication schemes, is utilized for
`radio control and operation signaling, where the core-band is
`substantially not wider than a smallest possible operating channel
`
`bandwidth of the system.
`
`2.
`The process of claim 1, wherein the wireless signal is:
`transmitted by a mobile station
`in a multi-cell, multi-base-station
`environment;
`a multi-carrier code division multiple access (MC-CDMA) or an
`orthogonal frequency division multiple access (OFDMA); and
`utilized with downlink, uplink, or both, where a duplexing technique is
`either Time Division Duplexing (TDD) or Frequency Division
`Duplexing (FOO}.
`
`-15-
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